CN100593182C - Display device and electronic device - Google Patents

Display device and electronic device Download PDF

Info

Publication number
CN100593182C
CN100593182C CN200510120464A CN200510120464A CN100593182C CN 100593182 C CN100593182 C CN 100593182C CN 200510120464 A CN200510120464 A CN 200510120464A CN 200510120464 A CN200510120464 A CN 200510120464A CN 100593182 C CN100593182 C CN 100593182C
Authority
CN
China
Prior art keywords
substrate
light
pixel portion
emitting component
display device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200510120464A
Other languages
Chinese (zh)
Other versions
CN1784134A (en
Inventor
纳光明
安西彩
小山润
渡边康子
山崎舜平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Semiconductor Energy Laboratory Co Ltd
Original Assignee
Semiconductor Energy Laboratory Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Semiconductor Energy Laboratory Co Ltd filed Critical Semiconductor Energy Laboratory Co Ltd
Publication of CN1784134A publication Critical patent/CN1784134A/en
Application granted granted Critical
Publication of CN100593182C publication Critical patent/CN100593182C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a display device and an electronic device, each of which has one of a structure in which a substrate provided with a light emitting element which performs bottom light emissionand a substrate provided with a light emitting element which performs top light emission are attached, and a structure in which two substrates, each of which is provided with a light emitting elementwhich performs bottom light emission are attached. By attaching two substrates, each of which is provided with a light emitting element, displays are provided on the front and back of the display device, thus a high added value can be realized. One of the two substrates, each of which is provided with a light emitting element also functions as a sealing substrate for another substrate, thus a compact, thin, and lightweight display device can be obtained.

Description

Display device and electronic installation
Technical field
The present invention relates to a kind of display device of self-emission device and electronic installation that a kind of use comprises the display device of light-emitting component of comprising.
Background technology
In recent years, developed and used with the display device of electroluminescent cell as the self-emission device of representative.Use the display device of self-emission device to have such as high image quality, wide visual angle, do not have thin design backlight and lightweight advantage.In these years the portable electron device of develop actively requires to have high added value according to the variation of its application.The portable electron device (for example, referring to patent documentation 1) that has inferior display at the normal display back side is provided now.
[patent documentation 1]
The Jap.P. spy opens the 2001-285445 communique
In many cases, use the display device of self-emission device to comprise device substrate that pixel portion is set and the hermetic sealing substrate of being arranged to the oriented-component substrate, wherein, described pixel portion comprises light-emitting component.Therefore, the electronic installation that time display is set at the normal display back side has two pairs of device substrates and hermetic sealing substrate, i.e. 4 substrates altogether.
Summary of the invention
The electronic installation that also is provided with time display except basic display unit requires littler, thinner and lighter, and therefore, occupying large-area backlight, printed base plate that a plurality of semiconductor devices such as IC chip are installed etc. is just becoming obstacle.Correspondingly, be provided with in the electronic installation of display in its front and the back side, miniaturization, thin design and in light weight and high added value are a kind of compromise relations.Consider this point, the invention provides compact, thin and lightweight display device and electronic installation.
Display device according to the present invention comprises a plurality of device substrates, and each device substrate all is provided with the pixel portion that comprises light-emitting component, and, a hermetic sealing substrate in a plurality of device substrates as another device substrate.When a device substrate is provided with each corresponding hermetic sealing substrate of a plurality of device substrates as the hermetic sealing substrate of another substrate to replace, can obtain compact, thin and lightweight display device.
Display device according to the present invention comprises at least two device substrates, and described device substrate is arranged to face one another and is all comprised light-emitting component, thereby, on the front of display device and the back side, the display that each all has pixel portion is set.Correspondingly, realize high added value.And display device according to the present invention comprises the pixel portion of two shared control unit circuit and power circuit.Correspondingly, can obtain compact, thin and lightweight display device.
Display device according to the present invention comprises the display that is arranged on its front and the back side.The structure of display device can roughly be divided into three types.First kind structure is to be fixed together with being provided with the substrate of carrying out the photoemissive light-emitting component in top being provided with a substrate of carrying out the photoemissive light-emitting component in bottom, and provides the situation of junctional membrane in two substrates each.Second class formation is to be provided with the substrates of carrying out the photoemissive light-emitting component in bottom to two to be fixed together, and provides the situation of junctional membrane in two substrates each.The 3rd class formation is to be provided with the substrate of carrying out the photoemissive light-emitting component in bottom to two to be fixed together, and is a situation that junctional membrane is provided in two substrates.
Should point out, on a surface of device substrate, be provided with under the situation of light-emitting component, carry out the photoemissive light-emitting component in bottom and on another surperficial direction of device substrate, launch light.And carrying out the photoemissive light-emitting component in top is radiative light-emitting component on the direction of hermetic sealing substrate, and wherein, described hermetic sealing substrate is arranged to the oriented-component substrate.
Display device according to the present invention comprises first substrate, second substrate and the 3rd substrate, and wherein, described display device is fixed together being provided with the substrate of carrying out the photoemissive light-emitting component in bottom and the substrate that is provided with the photoemissive light-emitting component in execution top.First and second substrates are arranged to make the surface of first substrate and the opposed surface of second substrate to face one another, and the second and the 3rd substrate is arranged to make a surface of second substrate and a surface of the 3rd substrate to face one another.First pixel portion that comprises first light-emitting component is set on a surface of first substrate, and, second pixel portion that comprises second light-emitting component is set on a surface of second substrate.First light-emitting component is launched light on the direction of the opposed surface of first substrate, and second light-emitting component is launched light on the direction of the opposed surface of the 3rd substrate.First display that uses first pixel portion is set on the opposed surface of first substrate, and, second display that uses second pixel portion is set on the opposed surface of the 3rd substrate.
And, in having the display device of the present invention of said structure, provide lip-deep first junctional membrane that is arranged on first substrate and lip-deep second junctional membrane that is arranged on second substrate.First junctional membrane is connected to first pixel portion, and second junctional membrane is connected to second pixel portion.
Display device according to the present invention comprises first substrate and second substrate, and wherein, described display device is provided with the substrate of carrying out the photoemissive light-emitting component in bottom to two and is fixed together.First and second substrates are arranged to make a surface of first substrate and a surface of second substrate to face one another.First pixel portion that comprises first light-emitting component is set on a surface of first substrate, and, second pixel portion that comprises second light-emitting component is set on a surface of second substrate.First light-emitting component is launched light on the direction of the opposed surface of first substrate, and second light-emitting component is launched light on the direction of the opposed surface of second substrate.And, first display that uses first pixel portion is set on the opposed surface of first substrate, and, second display that uses second pixel portion is set on the opposed surface of second substrate.
And the display device of the present invention with said structure comprises lip-deep first junctional membrane that is arranged on first substrate and lip-deep second junctional membrane that is arranged on second substrate.First junctional membrane is connected to first pixel portion, and second junctional membrane is connected to second pixel portion.Display device of the present invention with said structure comprises first and second light-emitting components, and each light-emitting component all has the pair of conductive layer and by this electroluminescent layer that conductive layer is clipped.Be included in the pair of conductive layer in first light-emitting component one be included in second light-emitting component in the pair of conductive layer in one identical.
Display device according to the present invention comprises first substrate and second substrate, and wherein, described display device is provided with the substrate of carrying out the photoemissive light-emitting component in bottom to two and is fixed together.First and second substrates are arranged to make a surface of first substrate and a surface of second substrate to face one another.First connecting conductive layer and first pixel portion that comprises first light-emitting component are set on a surface of first substrate, and, second connecting conductive layer and second pixel portion that comprises second light-emitting component are set on a surface of second substrate.First light-emitting component is launched light on the direction of the opposed surface of first substrate, and second light-emitting component is launched light on the direction of the opposed surface of second substrate.First display that uses first pixel portion is set on the opposed surface of first substrate, and, second display that uses second pixel portion is set on the opposed surface of second substrate.First connecting conductive layer and second connecting conductive layer are electrically connected by the conduction spacer material.
Display device of the present invention with said structure comprises a lip-deep junctional membrane that is arranged on first substrate.Junctional membrane is connected to first pixel portion and second pixel portion.
Should point out that junctional membrane comprises flexible printed circuit board (FPC, flexible print wiring), is installed in LSI (integrated on a large scale) chip on the P.e.c. (TCP (band carries encapsulation)), TAB-IC (band automated bonding-IC)) etc. with membrane stage.
One in first and second displays is basic display unit, and simultaneously, another is a time display.One in first and second displays is the display that is used for display image, and another is the display that only is used for the videotex data.
And, be provided for driving first drive circuit of first pixel portion and be used for driving one of second drive circuit of second pixel portion or all.On a surface of first substrate, first drive circuit is set, and, on a surface of second substrate, second drive circuit is set.
And first pixel portion comprises the photoemissive transistor that is used to control first light-emitting component.Second pixel portion comprises the photoemissive transistor that is used to control second light-emitting component.
And display device of the present invention comprises the controller circuitry that is used for providing to first and second pixel portion control signal.And display device according to the present invention comprises the power circuit that is used for providing to first and second pixel portion power supply potential.Also comprise on-off circuit and the controller circuitry that control signal is provided to first or second pixel portion based on the signal of exporting from on-off circuit according to display device of the present invention.Also comprise on-off circuit and the power circuit that power supply potential is provided to first or second pixel portion based on the signal of exporting from on-off circuit according to display device of the present invention.In display device according to the present invention, because controller circuitry and power circuit are shared by the pixel portion that is arranged on its front and the back side, therefore, can reduce the quantity of IC chip (semiconductor device), and, can obtain compact, thin and lightweight display device.
And display device according to the present invention comprises the controller circuitry that is used for providing to first and second pixel portion control signal.On a surface of the surface of first substrate or second substrate, controller circuitry is set.And display device according to the present invention comprises the power circuit that is used for providing to first and second pixel portion power supply potential.On a surface of the surface of first substrate or second substrate, power circuit is set.Display device according to the present invention comprises on-off circuit and based on the controller circuitry that control signal is provided to first pixel portion or second pixel portion from the signal of on-off circuit output.On a surface of the surface of first substrate or second substrate, on-off circuit and controller circuitry are set.Also comprise on-off circuit and the power circuit that power supply potential is provided to first or second pixel portion based on the signal of exporting from on-off circuit according to display device of the present invention.On a surface of the surface of first substrate or second substrate, on-off circuit and power circuit are set.
And, the invention provides the electronic installation that uses display device with said structure.For example, provide portable terminal, portable data assistance, such as the video camera of digital camera and Digital Video.
And the present invention uses a plurality of device substrates, and wherein, each device substrate all is provided with the pixel portion that comprises light-emitting component.The area of the area of the pixel portion of a device substrate and the pixel portion of another device substrate is different.Therefore, according to the present invention, the area of the display of the pixel portion of a device substrate of use is different with the area of the display of the pixel portion of using another device substrate.In this way, the area of the display of at least two device substrates is different, and simultaneously, a device substrate also is used as the hermetic sealing substrate of another device substrate, thereby the area of a device substrate is identical with the area of another device substrate.
Correspondingly, in order effectively to use the device substrate with small pixel part, except the pixel portion that comprises light-emitting component, also setting comprises at least one transistorized functional circuit part on device substrate.Functional circuit partly comprises at least one transistor, and described transistor forms from central processing circuit (CPU, CPU (central processing unit)), memory circuitry, buffer circuits, interface circuit, timing signal generator circuit, format converter circuit, frame memory circuit, image processing circuit, audio frequency processing circuit, transmission/receiving circuit, corrects one or more circuit of selecting circuit, time detection circuit, temperature sensing circuit, luminance detection circuit, register circuit, decoder circuit, divider circuit, the digital signal processing circuit etc.By the functional circuit part is set, can reduces the quantity of the IC chip (semiconductor device) that externally is provided with, and thereby can obtain compact, thin and lightweight display device.
Display device according to the present invention comprises first substrate, second substrate and the 3rd substrate, and wherein, described display device is fixed together being provided with the substrate of carrying out the photoemissive light-emitting component in bottom and the substrate that is provided with the photoemissive light-emitting component in execution top.First and second substrates are arranged to make the surface of first substrate and the opposed surface of second substrate to face one another.The second and the 3rd substrate is arranged to make a surface of second substrate and a surface of the 3rd substrate to face one another.First pixel portion that comprises first light-emitting component is set on a surface of first substrate, and, second pixel portion that comprises second light-emitting component is set on a surface of second substrate.And first light-emitting component is launched light on the direction of the opposed surface of first substrate, and second light-emitting component is launched light on the direction of the opposed surface of the 3rd substrate.Therefore, first display that uses first pixel portion is set on the opposed surface of first substrate, and, second display that uses second pixel portion is set on the opposed surface of the 3rd substrate, and, on a surface of the surface of first substrate or second substrate, be provided with and comprise at least one transistorized functional circuit part.The area of first and second displays is different.
Display device according to the present invention comprises first substrate and second substrate, and wherein, described display device is provided with the substrate of carrying out the photoemissive light-emitting component in bottom to two and is fixed together.First and second substrates are arranged to make a surface of first substrate and a surface of second substrate to face one another.First pixel portion that comprises first light-emitting component is set on a surface of first substrate, and, second pixel portion that comprises second light-emitting component is set on a surface of second substrate.First light-emitting component is launched light on the direction of the opposed surface of first substrate, and second light-emitting component is launched light on the direction of the opposed surface of second substrate.First display that uses first pixel portion is set on the opposed surface of first substrate, and, second display that uses second pixel portion is set on the opposed surface of second substrate.On a surface of the surface of first substrate or second substrate, be provided with and comprise at least one transistorized functional circuit part.The area of first and second displays is different.
Display device according to the present invention comprises first substrate and second substrate, and wherein, described display device is provided with the substrate of carrying out the photoemissive light-emitting component in bottom to two and is fixed together.First and second substrates are arranged to make a surface of first substrate and a surface of second substrate to face one another.First connecting conductive layer and first pixel portion that comprises first light-emitting component are set on a surface of first substrate, second connecting conductive layer and second pixel portion that comprises second light-emitting component are set on a surface of second substrate.First light-emitting component is launched light on the direction of the opposed surface of first substrate, and second light-emitting component is launched light on the direction of the opposed surface of second substrate.First display that uses first pixel portion is set on the opposed surface of first substrate, and, second display that uses second pixel portion is set on the opposed surface of second substrate.First and second connecting conductive layers are electrically connected by the conduction spacer material.On a surface of the surface of first substrate or second substrate, be provided with and comprise at least one transistorized functional circuit part.The area of first and second displays is different.
Display device of the present invention with said structure comprises lip-deep first junctional membrane that is arranged on first substrate and lip-deep second junctional membrane that is arranged on second substrate.First junctional membrane is connected to first pixel portion, and second junctional membrane is connected to second pixel portion.First and second junctional membranes are connected to the functional circuit part.
Display device of the present invention with said structure comprises a lip-deep junctional membrane that is arranged on first substrate.Junctional membrane is connected to first and second pixel portion and functional circuit part.
Display device according to the present invention comprises the functional circuit part.At least one transistor that is included in the functional circuit part forms from memory circuitry, central processing circuit, buffer circuits, interface circuit, timing signal generator circuit, the format converter circuit, frame memory circuit, image processing circuit, audio frequency processing circuit, transmission/receiving circuit, correct circuit, time detection circuit, temperature sensing circuit, luminance detection circuit, register circuit, decoder circuit, one or more circuit of selecting in divider circuit or the digital signal processing circuit.
Display device of the present invention with said structure comprises first pixel portion, and wherein, first pixel portion comprises the photoemissive transistor that is used to control first light-emitting component.Second pixel portion comprises the photoemissive transistor that is used to control second light-emitting component.And, be provided for providing the controller circuitry of control signal to first and second pixel portion.And display device according to the present invention comprises on-off circuit and the controller circuitry that control signal is provided to first and second pixel portion based on the signal of exporting from on-off circuit.Also comprise the power circuit that is used for providing power supply potential to first and second pixel portion according to display device of the present invention.And display device according to the present invention comprises on-off circuit and the power circuit that power supply potential is provided to first or second pixel portion based on the signal of exporting from on-off circuit.And, adopt display device with above-mentioned any structure according to electronic installation of the present invention.
Display device according to the present invention comprises a plurality of device substrates, and each all is provided with the pixel portion that comprises light-emitting component described device substrate.A hermetic sealing substrate that also is used as another device substrate in a plurality of device substrates.When a device substrate as the hermetic sealing substrate of another substrate, rather than during each corresponding hermetic sealing substrate of setting and a plurality of device substrate, can obtain compact, that approach and lightweight display device.
That is to say that at least one in a plurality of device substrates also is used as the hermetic sealing substrate of another device substrate.In a plurality of device substrates at least one be as the hermetic sealing substrate of another device substrate, rather than during each corresponding hermetic sealing substrate of setting and a plurality of device substrate, can reduce the quantity of substrate.Correspondingly, can obtain compact, thin and lightweight display device.
Display device according to the present invention comprises at least two device substrates of being arranged to face one another, and each device substrate all is provided with light-emitting component.Therefore, on the front of display device and the back side, the display that each all comprises pixel portion is set.By above-mentioned feature, can realize high added value.Display device according to the present invention comprises the pixel portion of two shared control unit circuit and power circuit.Correspondingly, can obtain compact, lightweight and cheap display device.
According to an aspect of the present invention, provide a kind of display device, having comprised: first substrate is provided with first light-emitting component adjacent with the first surface of this first substrate; Second substrate is provided with second light-emitting component adjacent with the first surface of this second substrate; And the 3rd substrate, wherein: the second surface of the first surface of first substrate and second substrate faces one another; The first surface of the first surface of second substrate and the 3rd substrate faces one another; First light-emitting component is by the second surface emission light of first substrate; Second light-emitting component is by the second surface emission light of the 3rd substrate; The second surface of first display and first substrate is adjacent; And the second surface of second display and the 3rd substrate is adjacent.
According to another aspect of the present invention, provide a kind of display device, having comprised: first substrate is provided with first light-emitting component adjacent with the first surface of first substrate; Second substrate is provided with second light-emitting component adjacent with the first surface of second substrate; And the 3rd substrate, wherein: the second surface of the first surface of first substrate and second substrate faces one another; The first surface of the first surface of second substrate and the 3rd substrate faces one another; First light-emitting component is by the second surface emission light of first substrate; Second light-emitting component is by the second surface emission light of the 3rd substrate; The second surface of first display and first substrate is adjacent; The second surface of second display and the 3rd substrate is adjacent; And first pixel portion that comprises first light-emitting component is an active array type, and second pixel portion that comprises second light-emitting component is a passive matrix.
According to another aspect of the present invention, provide a kind of display device, having comprised: first substrate is provided with first conductive layer and first light-emitting component adjacent with the first surface of first substrate; Second substrate is provided with second conductive layer and second light-emitting component adjacent with the first surface of second substrate; And the 3rd substrate, wherein: the second surface of the first surface of first substrate and second substrate faces one another; The first surface of the first surface of second substrate and the 3rd substrate faces one another; First light-emitting component is by the second surface emission light of first substrate; Second light-emitting component is by the second surface emission light of the 3rd substrate; The second surface of first display and first substrate is adjacent; The second surface of second display and the 3rd substrate is adjacent; And first pixel portion that comprises first light-emitting component is an active array type, and second pixel portion that comprises second light-emitting component is an active array type.
Description of drawings
Each is the view that display device of the present invention is shown for Figure 1A-1C.
Fig. 2 is the view that display device of the present invention is shown.
Fig. 3 is the view that display device of the present invention is shown.
Each is the view that display device of the present invention is shown for Fig. 4 A and 4B.
Fig. 5 is the view that display device of the present invention is shown.
Fig. 6 is the view that display device of the present invention is shown.
Fig. 7 is the view that display device of the present invention is shown.
Each is the view that display device of the present invention is shown for Fig. 8 A-8D.
Each is the view that display device of the present invention is shown for Fig. 9 A-9C.
Figure 10 is the view that display device of the present invention is shown.
Figure 11 is the view that display device of the present invention is shown.
Each is the view that display device of the present invention is shown for Figure 12 A-12D.
Figure 13 is the circuit diagram of active matrix pixel part.
Figure 14 is the circuit diagram of active matrix pixel part.
Figure 15 is the circuit diagram of active matrix pixel part.
Figure 16 is the circuit diagram of passive matrix pixel part.
Figure 17 is the view that the electronic installation that uses display device of the present invention is shown.
Each is the view that the electronic installation that uses display device of the present invention is shown for Figure 18 A-18G.
Each is the view that the electronic installation that uses display device of the present invention is shown for Figure 19 A-19D.
Each is the view that display device of the present invention is shown for Figure 20 A-20D.
Figure 21 is the view that display device of the present invention is shown.
Figure 22 is the view that display device of the present invention is shown.
Each is the view that display device of the present invention is shown for Figure 23 A and 23B.
Figure 24 is the view that display device of the present invention is shown.
Each is the view that display device of the present invention is shown for Figure 25 A-25C.
Each is the view that display device of the present invention is shown for Figure 26 A-26C.
Figure 27 is the view that display device of the present invention is shown.
Figure 28 is the view that display device of the present invention is shown.
Figure 29 is the view that display device of the present invention is shown.
Figure 30 is the view that display device of the present invention is shown.
Each is the view that the electronic installation that uses display device of the present invention is shown for Figure 31 A-31G.
Embodiment
Although will fully describe the present invention in conjunction with the accompanying drawings and by embodiment and embodiment, it should be appreciated by those skilled in the art that and to make various changes and change.Therefore, unless these changes and change depart from scope of the present invention, otherwise should think that they are included within the present invention.Should point out that the same section in different accompanying drawings is represented with identical mark.
[embodiment 1]
Display device according to the present invention is provided with display in its front and the back side.The structure of display device can roughly be divided three classes.First kind structure is to be fixed together with being provided with the substrate of carrying out the photoemissive light-emitting component in top being provided with a substrate of carrying out the photoemissive light-emitting component in bottom, and provides the situation of junctional membrane (referring to Figure 1A-1C) in two substrates each.Second class formation is to be provided with the substrates of carrying out the photoemissive light-emitting component in bottom to two to be fixed together, and provides the situation (referring to Fig. 4 A and 4B) of junctional membrane in two substrates each.The 3rd class formation is to be provided with the substrate of carrying out the photoemissive light-emitting component in bottom to two to be fixed together, and is one in two substrates situation (referring to Fig. 8 A-8D) that junctional membrane is provided.
At first, describe being provided with the substrate of carrying out the photoemissive light-emitting component in bottom and being provided with that the substrate of carrying out the photoemissive light-emitting component in top is fixed together and providing the situation of junctional membrane (referring to Figure 1A-1C) in two substrates each.Display device according to the present invention comprises first substrate 11, second substrate 12 and the 3rd substrate 13.First substrate 11 and second substrate 12 are arranged to make the surface of first substrate 11 and the opposed surface of second substrate 12 to face one another.And second substrate 12 and the 3rd substrate 13 are arranged to make a surface of second substrate 12 and a surface of the 3rd substrate 13 to face one another.First substrate 11 and second substrate 12 and second substrate 12 and the 3rd substrate 13 all use encapsulant 16 fixing.
First pixel portion 14 that comprises first light-emitting component is set on a surface of first substrate 11.First light-emitting component that is included in first pixel portion 14 is launched light on the direction of the opposed surface of first substrate 11.Second pixel portion 15 that comprises second light-emitting component is set on a surface of second substrate 12.Second light-emitting component that is included in second pixel portion 15 is launched light on the direction of the opposed surface of the 3rd substrate 13.That is to say that first light-emitting component that is included in first pixel portion 14 is carried out the bottom light emission, simultaneously, second light-emitting component that is included in second pixel portion 15 is carried out the top light emission.Correspondingly, first display that uses first pixel portion is set on the opposed surface of first substrate 11, second display that uses second pixel portion is set on the opposed surface of the 3rd substrate 13 simultaneously.
On a surface of first substrate 11, first junctional membrane 17, anisotropic conductive layer 93 and connecting conductive layer 91 are set.First junctional membrane 17 is connected to first pixel portion 14 by anisotropic conductive layer 93 and connecting conductive layer 91.And, on a surface of second substrate 12, second junctional membrane 18, anisotropic conductive layer 94 and connecting conductive layer 92 are set.Second junctional membrane 18 is connected to second pixel portion 15 by anisotropic conductive layer 94 and connecting conductive layer 92.
First junctional membrane 17 and second junctional membrane 18 are arranged to not overlap each other.When first substrate 11, second substrate 12 and the 3rd substrate 13 were overlapping, the lamination of the lamination of connecting conductive layer 91 and anisotropic conductive layer 93 and connecting conductive layer 92 and anisotropic conductive layer 94 was provided with to such an extent that do not overlap each other.
First junctional membrane 17 and second junctional membrane 18 all are connected to printed base plate 19.Printed base plate 19 comprises at least one IC chip (semiconductor device) 20.In at least one IC chip 20 each is corresponding to one or more circuit of selecting in slave controller circuit, power circuit, the central processing circuit (CPU, CPU (central processing unit)) etc.IC chip 20 provides signal and power supply potential by first junctional membrane 17 and second junctional membrane 18 to first pixel portion 14 and second pixel portion 15.
Fill with active gases 71 not in space between the surface of first substrate 11 and the opposed surface of second substrate 12.(referring to Figure 1B) filled with active gases 72 not in space between a surface of second substrate 12 and the surface of the 3rd substrate 13. Active gases 71 and 72 for example is not rare gas, nitrogen etc.
Active gases is not filled the space between the substrate, but between the opposed surface of the surface of first substrate 11 and second substrate 12, sealing resin layer 73 is set, and can between a surface of surface of second substrate 12 and the 3rd substrate 13, sealing resin layer 74 (referring to Fig. 1 C) be set.Sealing resin layer 73 and 74 can be formed by thermosetting resin material or ultraviolet hardening resin material.And, in that sealing resin layer 73 and are set, except that sealing resin layer 73 and 74, also spacer material can be set at 74 o'clock, so that the distance between the substrate keeps certain.And then, also can be provided with and comprise the material with higher block such as the layer (the following restraining barrier that abbreviates as sometimes) of metal oxide and oxides of nitrogen.In this way, as a kind of method that is used to prevent the light-emitting component deterioration, can use in the following method any one or more: with the method for active gases packing space not; The method of sealing resin layer is set; And the method that the restraining barrier is set.
And, first substrate 11 and second substrate 12 and second substrate 12 and the 3rd substrate 13 are fixing by encapsulant 16, yet, can on the marginal portion of first substrate 11, second substrate 12 and the 3rd substrate 13, encapsulant 76 be set further, with the constant intensity between the further increase substrate (referring to Fig. 1 C).
Can pass through COG (Chip On Glass, chip is on glass) method and on a surface of the surface of first substrate 11 and second substrate 12, IC chip (semiconductor device) is set.The IC chip is as the drive circuit of the action of control first pixel portion 14 and second pixel portion 15.Should point out that the IC chip has the thickness of about 30 μ m at thinnest part, simultaneously, the distance between two substrates is about 10 μ m.Correspondingly, on a surface of first substrate 11, be provided with under the situation of IC chip, preferably, deliberately make the distance between first substrate 11 and second substrate 12 wideer.
Then, the cross-section structure of the display device with said structure is described in conjunction with the accompanying drawings (referring to Figure 1A-1C).Each can be the passive matrix that light-emitting component and transistorized active array type is set in each pixel or light-emitting component only is set in each pixel for first pixel portion 14 and second pixel portion 15.Four types combination is arranged.First kind is that first pixel portion 14 and second pixel portion 15 all are the situation of active array type; Second kind is that first pixel portion 14 is the situation of passive matrix for active array type second pixel portion 15; The third is that first pixel portion 14 is the situation of active array type for passive matrix second pixel portion 15; And the 4th kind is that first pixel portion 14 and second pixel portion 15 all are the situation of passive matrix.Described below is that first pixel portion 14 and second pixel portion 15 all are that the situation (referring to Fig. 2) and first pixel portion 14 of active array type is passive matrix second pixel portion 15 cross-section structures for the situation of active array type (referring to Fig. 3).
Should point out, in Figure 1B, 1C, 2 and 3, represent the mark of same section to be common in the different accompanying drawings.Below omit description to same tag representative part.
At first, the cut-open view (referring to Fig. 2) that first pixel portion 14 and second pixel portion 15 all are the situation of active array type is described.On a surface of first substrate 11, first pixel portion 14 and drive circuit 35 are set.First pixel portion 14 comprises first light-emitting component 31, driving transistors 33 and capacitor 34.Drive circuit 35 comprises N type (N raceway groove) transistor and P type (P raceway groove) transistor of series connection.First light-emitting component 31 has the structure that clips electroluminescent layer between the pair of conductive layer.One in the pair of conductive layer of first light-emitting component 31 is connected to as the source wiring of driving transistors 33 or the conductive layer of leak routing.Not active gases 71 fillings of space between first substrate 11 and second substrate 12.
On a surface of second substrate 12, second pixel portion 15 and drive circuit 38 are set.Second pixel portion 15 comprises second light-emitting component 32, driving transistors 36 and capacitor 37.Drive circuit 38 comprises the N transistor npn npn and the P transistor npn npn of series connection.Second light-emitting component 32 has the structure that clips electroluminescent layer between the pair of conductive layer.One in the pair of conductive layer of second light-emitting component 32 is connected to as the source wiring of driving transistors 36 or the conductive layer of leak routing.Not active gases 72 fillings of space between second substrate 12 and the 3rd substrate 13.Drive circuit 35 and 38 is corresponding to the functional circuit such as Source drive, gate driver, central processing circuit, image processing circuit etc.
In said structure, first light-emitting component 31 that is included in first pixel portion 14 is carried out the bottom light emission, and simultaneously, second light-emitting component 32 that is included in second pixel portion 15 is carried out the top light emission.Thereby, first display that uses first pixel portion 14 is set on the opposed surface of first substrate 11, and, second display that uses second pixel portion 15 is set on the opposed surface of the 3rd substrate 13.
Below, describe first pixel portion 14 and be the cross-section structure (referring to Fig. 3) of passive matrix second pixel portion 15 for the situation of active array type.On a surface of first substrate 11, first pixel portion 14 is set.First pixel portion 14 comprises first light-emitting component 41.First light-emitting component 41 is corresponding to the lamination of conductive layer 42, electroluminescent layer 43 and conductive layer 44.Between the first adjacent light-emitting component 41, insulation course 45a and 45b are set.Not active gases 71 fillings of space between first substrate 11 and second substrate 12.
On a surface of second substrate 12, second pixel portion 15 and drive circuit 38 are set.Second pixel portion 15 comprises second light-emitting component 32, driving transistors 36 and capacitor 37.Drive circuit 38 comprises the N transistor npn npn and the P transistor npn npn of series connection.Not active gases 72 fillings of space between second substrate 12 and the 3rd substrate 13.
In said structure, first light-emitting component 41 that is included in first pixel portion 14 is carried out the bottom light emission, and simultaneously, second light-emitting component 32 that is included in second pixel portion 15 is carried out the top light emission.Thereby, first display that uses first pixel portion 14 is set on the opposed surface of first substrate 11, and, second display that uses second pixel portion 15 is set on the opposed surface of the 3rd substrate 13.
In said structure (referring to Fig. 2 and 3), not active gases 71 fillings of the space between first substrate 11 and second substrate 12, and, not active gases 72 fillings of the space between second substrate 12 and the 3rd substrate 13.Yet the present invention is not limited to this pattern, and the space usable resins between the substrate is filled, and, the restraining barrier can be set cover first light-emitting component 31 and 41 and second light-emitting component 32.
[embodiment 2]
Describe below and fix two and be provided with the substrate of carrying out the photoemissive light-emitting component in bottom and be that in two substrates each all is provided with the situation (referring to Fig. 4 A and 4B) of junctional membrane.Display device according to the present invention comprises first substrate 311 and second substrate 312.First substrate 311 and second substrate 312 are arranged to make a surface of first substrate 311 and a surface of second substrate 312 to face one another.First substrate 311 and second substrate 312 are fixing by encapsulant 316.
First pixel portion 314 that comprises first light-emitting component is set on a surface of first substrate 311.First light-emitting component that is included in first pixel portion 314 is launched light on the direction of the opposed surface of first substrate 311.Second pixel portion that comprises second light-emitting component is set on a surface of second substrate 312.Second light-emitting component that is included in second pixel portion 315 is launched light on the direction of the opposed surface of second substrate 312.That is to say that first light-emitting component that is included in first pixel portion 314 is all carried out the bottom light emission with second light-emitting component that is included in second pixel portion 315.Thereby, first display that uses first pixel portion 314 is set on another opposed surface of first substrate 311, and, second display that uses second pixel portion 315 is set on the opposed surface of second substrate 312.
On a surface of first substrate 311, first junctional membrane 317, anisotropic conductive layer 393 and connecting conductive layer 391 are set.On a surface of second substrate 312, second junctional membrane 318, anisotropic conductive layer 394 and connecting conductive layer 392 are set.First junctional membrane 317 and second junctional membrane 318 all are connected to printed base plate 319.Printed base plate 319 is provided with at least one IC chip (semiconductor device) 320.Should point out that the film that two surfaces (surface and opposed surface) is provided with splicing ear can be used as second junctional membrane 318.And two films that splicing ear is set on their surface can be used as second junctional membrane 318 with the connector that is used to be electrically connected two films.
(referring to Fig. 4 A) filled with active gases 370 not in space between a surface of first substrate 311 and the surface of second substrate 312, yet, sealing resin layer 375 can be set replace not active gases 370 (referring to Fig. 4 B).Under the situation that sealing resin layer 375 is set, keep certain in order to make the distance between the substrate, except that sealing resin layer 375, also spacer material 379 can be set.And covering luminous element can be arranged in the restraining barrier.First substrate 311 and second substrate 312 are fixing by encapsulant 316, yet, can encapsulant 376 be set in the marginal portion of first substrate 311 and second substrate 312, so that increase the constant intensity (referring to Fig. 4 B) between the substrate further.And, can on a surface of the surface of first substrate 311 and second substrate 312, IC chip (semiconductor device) be set by the COG method.The IC chip is as the drive circuit of control first pixel portion 314 and 315 operations of second pixel portion.The IC chip has the thickness of about 30 μ m at thinnest part, and the distance between first substrate 311 and second substrate 31 is about 10 μ m.Correspondingly, on a surface of the surface of first substrate 311 and second substrate 312, be provided with under the situation of IC chip, preferably, deliberately make the distance between first substrate 311 and second substrate 312 wideer.
Then, in conjunction with the accompanying drawings the detail sections structure of display device with said structure is described (referring to Fig. 4 A and 4B).Each can be active array type or passive matrix for first pixel portion 314 and second pixel portion 315.Four types combination is arranged.The cross-section structure of following situation is described below, and described situation is: first pixel portion 314 and second pixel portion 315 all are that the situation (referring to Fig. 5), first pixel portion 314 of active array type all is the situation (referring to Fig. 7) of active array type for active array type second pixel portion 315 for the situation of passive matrix (referring to Fig. 6) and first pixel portion 314 and second pixel portion 315.
Should point out, in Fig. 4 A, 4B and 5-7, represent the mark of same section to be common in the different accompanying drawings.Below omit description to same tag representative part.
At first, the cross-section structure (referring to Fig. 5) that first pixel portion 314 and second pixel portion 315 all are the situation of active array type is described.On a surface of first substrate 311, first pixel portion 314 and drive circuit 335 are set.First pixel portion 314 comprises first light-emitting component 331, driving transistors 333 and capacitor 334.Drive circuit 335 comprises the N transistor npn npn and the P transistor npn npn of series connection.On a surface of second substrate 312, second pixel portion 315 and drive circuit 338 are set.Second pixel portion 315 comprises second light-emitting component 332, driving transistors 336 and capacitor 337.Drive circuit 338 comprises the N transistor npn npn and the P transistor npn npn of series connection.
In said structure, first light-emitting component 331 that is included in first pixel portion 314 is all carried out the bottom light emission with second light-emitting component 332 that is included in second pixel portion 315.Correspondingly, first display that uses first pixel portion 314 is set on the opposed surface of first substrate 311, and, second display that uses second pixel portion 315 is set on the opposed surface of second substrate 312.
In said structure, restraining barrier 383 is set so that cover first light-emitting component 331, and, restraining barrier 384 is set so that cover second light-emitting component 332.And, between first substrate 311 and second substrate 312, sealing resin layer 375 is set.By restraining barrier 383 and 384 and sealing resin layer 375 are set, can prevent the deterioration of first light-emitting component 331 and second light-emitting component 332.And, can prevent the short circuit of first light-emitting component 331 and second light-emitting component 332.
And, in said structure, between first substrate 311 and second substrate 312, spacer material 379 is set.By spacer material 379 is set, can make the distance between first substrate 311 and second substrate 312 keep certain.Should point out, if desired, can between first substrate 311 and second substrate 312, spacer material 379 be set, yet preferred is provided with spacer material 379 on the insulation course 397 and 398 as spacer.
Then, describe first pixel portion 314 and be the cross-section structure (referring to Fig. 6) of passive matrix second pixel portion 315 for the situation of active array type.On a surface of first substrate 311, first pixel portion 314 is set.First pixel portion 314 comprises first light-emitting component 341.First light-emitting component 341 is corresponding to the lamination of conductive layer 342, electroluminescent layer 343 and conductive layer 344.Between the first adjacent light-emitting component 341, insulation course 345a and 345b are set.On a surface of second substrate 312, second pixel portion 315 is set.Second pixel portion 315 comprises second light-emitting component 332, driving transistors 336 and capacitor 337.Fill with sealing resin layer 375 in space between first substrate 311 and second substrate 312.
In said structure, first light-emitting component 341 that is included in first pixel portion 314 is carried out the bottom light emission with second light-emitting component 332 that is included in second pixel portion 315.Thereby, first display that uses first pixel portion 314 is set on the opposed surface of first substrate 311, and, second display that uses second pixel portion 315 is set on the opposed surface of second substrate 312.
And, in said structure, insulation course 399 is set on driving transistors 336, and, insulation course 300 is set on insulation course 399.In this way,, can enlarge the tolerance limit in the zone of the pixel electrode that second light-emitting component 332 is set by stacked insulation course, and, aperture opening ratio can be increased.For high aperture,, can reduce driving voltage, and can reduce power consumption along with radiative area increases.
The cross-section structure (referring to Fig. 7) that first pixel portion 314 and second pixel portion 315 all are the situation of active array type is then described.On a surface of first substrate 311, first pixel portion 314 and drive circuit 335 are set.First pixel portion 314 comprises first light-emitting component 331, driving transistors 333 and capacitor 334.On a surface of second substrate 312, second pixel portion 315 and drive circuit 338 are set.Second pixel portion 315 comprises second light-emitting component 332, driving transistors 336 and capacitor 337.
In first light-emitting component 331 and second light-emitting component 332 each all comprises pair of conductive layer and electroluminescent layer.Go back as one in the pair of conductive layer that is included in second light-emitting component 332 for one that is included in the pair of conductive layer in first light-emitting component 331.That is to say that first light-emitting component 331 has the structure of wherein stacked conductive layer 321, electroluminescent layer 322 and conductive layer 323.And second light-emitting component 332 has the structure of wherein stacked conductive layer 325, electroluminescent layer 324 and conductive layer 323.First light-emitting component 331 and second light-emitting component 332 are shared conductive layer 323.
In said structure, first light-emitting component 331 that is included in first pixel portion 314 is all carried out the bottom light emission with second light-emitting component 332 that is included in second pixel portion 315.Thereby, first display that uses first pixel portion 314 is set on the opposed surface of first substrate 311, and, second display that uses second pixel portion 315 is set on the opposed surface of second substrate 312.
[embodiment 3]
Describe below and fix two and be provided with the substrate of carrying out the photoemissive light-emitting component in bottom and be a situation (referring to Fig. 8 A-9C) that junctional membrane is set in two substrates.Display device according to the present invention comprises first substrate 411 and second substrate 412.First substrate 411 and second substrate 412 are arranged to make a surface of first substrate 411 and a surface of second substrate 412 to face one another.First substrate 411 and second substrate 412 are fixing by encapsulant 416.
First pixel portion 414 that comprises first light-emitting component is set on a surface of first substrate 411.First light-emitting component that is included in first pixel portion 414 is launched light on the direction of the opposed surface of first substrate 411.Second pixel portion 415 that comprises second light-emitting component is set on a surface of second substrate 412.Second light-emitting component that is included in second pixel portion 415 is launched light on the direction of the opposed surface of second substrate 412.
In said structure, first light-emitting component that is included in first pixel portion 414 is all carried out the bottom light emission with second light-emitting component that is included in second pixel portion 415.Thereby, first display that uses first pixel portion 414 is set on the opposed surface of first substrate 411, and, second display that uses second pixel portion 415 is set on the opposed surface of second substrate 412.
On a surface of first substrate 411, junctional membrane 417, anisotropic conductive layer 493 and connecting conductive layer 491 are set.Junctional membrane 417 is connected to printed base plate 419.Printed base plate 419 is provided with at least one IC chip 420.
And, on a surface of first substrate 411, connecting conductive layer 446 is set, and, connecting conductive layer 447 (referring to Fig. 8 B-8D) is set on a surface of second substrate 412.Connecting conductive layer 446 and connecting conductive layer 447 conduct electricity the resin 448 of spacer material and are electrically connected by comprising.
And, IC chip 481 (referring to Fig. 8 D) is set on a surface of first substrate 411.IC chip 481 is fixed to first substrate 411 by the COG method, and, be connected to first pixel portion 414 and second pixel portion 415 by anisotropic conductive layer 480.
(referring to Fig. 8 B) filled with active gases 470 not in space between a surface of first substrate 411 and the surface of second substrate 412.And, sealing resin layer 475 can be set replace not active gases 470 (referring to Fig. 8 C).Under the situation that sealing resin layer 475 is set, spacer material 479 preferably also is set, except that sealing resin layer 475 so that keep the distance between the substrate even.And, the restraining barrier can be set, with covering luminous element.First substrate 411 and second substrate 412 are fixed by encapsulant 416, yet, can encapsulant 476 be set in the marginal portion of first substrate 411 and second substrate 412, with the constant intensity between the further increase substrate (referring to Fig. 8 C and 8D).
Then, in conjunction with plan view from above first substrate 411 and second substrate 412 (referring to Fig. 9 A and 9B) with structure shown in Fig. 8 D described.First pixel portion 414, encapsulant 416, connecting conductive layer 446, spacer material 479, IC chip 481, drive circuit 435 and drive circuit 402 are set on first substrate 411.Here, IC chip 481 is as the Source drive of first pixel portion 414 and second pixel portion 415.
Conduct electricity the resin of spacer material and fix first substrate 411 and second substrate 412 by on connecting conductive layer 446, forming to comprise, thereby, be electrically connected connecting conductive layer 446 on first substrate 411 and the connecting conductive layer 447 on second substrate 412.And, spacer material 479 on first substrate 411 is arranged to make the distance between first substrate 411 and second substrate 412 to keep certain, and, on first pixel portion 414, drive circuit 435 and drive circuit 402 so that spacer material 479 clocklike to be set at interval.On first pixel portion 414, be provided with under the situation of spacer material 479, spacer material 479 (referring to Fig. 9 C) preferably is set in the zone except that the opening portion 405 of each pixel 454.Opening portion 405 is zones that light-emitting component is set.Zone except that opening portion 405 is the zone that is provided as the insulation course of spacer.
The detail sections structure (referring to Fig. 8 A-9C) of the display device with said structure then, is described in conjunction with the accompanying drawings.Should point out that first pixel portion 414 and second pixel portion 415 can adopt active array type or passive matrix.Four types combination is arranged.Below describe the situation (referring to Figure 10) and first pixel portion 414 that first pixel portion 414 and second pixel portion 415 be active array type and be passive matrix second pixel portion 415 cross-section structures for the situation of active array type (referring to Figure 11).
Should point out, in Fig. 8 A-11, represent the mark of same section to be common in the different accompanying drawings.Below omit description to same tag representative part.
At first, the cross-section structure (referring to Figure 10) that first pixel portion 414 and second pixel portion 415 are the situation of active array type is described.On a surface of first substrate 411, first pixel portion 414 and drive circuit 435 are set.First pixel portion 414 comprises first light-emitting component 431, driving transistors 433 and capacitor 434.Drive circuit 435 comprises the N transistor npn npn and the P transistor npn npn of series connection.On a surface of second substrate 412, second pixel portion 415 and drive circuit 438 are set.Second pixel portion 415 comprises second light-emitting component 432, driving transistors 436 and capacitor 437.Drive circuit 438 comprises the N transistor npn npn and the P transistor npn npn of series connection.
In said structure, first light-emitting component 431 that is included in first pixel portion 414 is all carried out the bottom light emission with second light-emitting component 432 that is included in second pixel portion 415.Thereby, first display that uses first pixel portion 414 is set on the opposed surface of first substrate 411, and, second display that uses second pixel portion 415 is set on the opposed surface of second substrate 412.
And, on a surface of first substrate 411, connecting conductive layer 446 is set, and, on a surface of second substrate 412, connecting conductive layer 447 is set.Connecting conductive layer 446 and 447 conducts electricity the resin 448 of spacer material and is electrically connected by comprising.Provide various signals and power supply potential by junctional membrane 417 to first pixel portion 414 and drive circuit 435.
In said structure, between first substrate 411 and second substrate 412, sealing resin layer 475 is set.By sealing resin layer 475 is set, can prevent the deterioration of first light-emitting component 431 and second light-emitting component 432.And, can prevent the short circuit of first light-emitting component 431 and second light-emitting component 432.
In said structure, between first substrate 411 and second substrate 412, spacer material 479 is set.Can keep certain by the distance that is provided with between spacer material 479, the first substrates 411 and second substrate 412.
Then, describe first pixel portion 414 and be the cross-section structure (referring to Figure 11) of passive matrix second pixel portion 415 for the situation of active array type.On a surface of first substrate 411, first pixel portion 414 is set.First pixel portion 414 comprises first light-emitting component 441.First light-emitting component 441 is corresponding to the lamination of conductive layer 442, electroluminescent layer 443 and conductive layer 444.Between the first adjacent light-emitting component 441, insulation course 445a and 445b are set.On a surface of second substrate 412, second pixel portion 415 is set.Second pixel portion 415 comprises second light-emitting component 432, driving transistors 436 and capacitor 437.
In said structure, first light-emitting component 441 that is included in first pixel portion 414 is all carried out the bottom light emission with second light-emitting component 432 that is included in second pixel portion 415.Thereby, first display that uses first pixel portion 414 is set on the opposed surface of first substrate 411, and, second display that uses second pixel portion 415 is set on the opposed surface of second substrate 412.
[embodiment 4]
Display device according to the present invention comprises the display that is arranged on its front and the back side.The structure of display device is broadly divided into two classes.First kind structure is being provided with the situation (referring to Figure 20 A-20D) that the substrate of carrying out the photoemissive light-emitting component in bottom and the substrate that is provided with the photoemissive light-emitting component in execution top are fixed together.Second class formation is to be provided with the situation (referring to Figure 23 A-25C) that the substrate of carrying out the photoemissive light-emitting component in bottom is fixed together to two.Two are provided with that a back situation that the substrate of carrying out the photoemissive light-emitting component in bottom is fixed together can be divided into that in two substrates each is provided with the situation (referring to Figure 23 A and 23B) of junctional membrane and are a situation (referring to Figure 25 A-25C) that junctional membrane is set in two substrates.
At first, describe being provided with the substrate of carrying out the photoemissive light-emitting component in bottom and being provided with that the substrate of carrying out the photoemissive light-emitting component in top is fixed together and providing the situation (referring to Figure 20 A-20D) of junctional membrane in two substrates each.
Display device according to the present invention comprises first substrate 211, second substrate 212 and the 3rd substrate 213 (referring to Figure 20 A and 20B).First substrate 211 and second substrate 212 are arranged to make the surface of first substrate 211 and the opposed surface of second substrate 212 to face one another.Second substrate 212 and the 3rd substrate 213 are arranged to make a surface of second substrate 212 and a surface of the 3rd substrate 213 to face one another.In first substrate 211, second substrate 212 and the 3rd substrate 213 each all uses encapsulant 216 fixing.
First pixel portion 214 (referring to Figure 20 C) that comprises first light-emitting component is set on a surface of first substrate 211.The functional circuit part 285 (referring to Figure 20 D) that comprises second pixel portion 215 of second light-emitting component and comprise the element group is set on a surface of second substrate 212.The element group comprises a plurality of transistors at least.
First light-emitting component that is included in first pixel portion 214 is launched light on the direction of the opposed surface of first substrate 211.Second light-emitting component that is included in second pixel portion 215 is launched light on the direction of the opposed surface of the 3rd substrate 213.That is to say that first light-emitting component that is included in first pixel portion 214 is carried out the bottom light emission, and second light-emitting component that is included in second pixel portion 215 is carried out the top light emission.First display that uses first pixel portion is set on the opposed surface of first substrate 211, and, second display that uses second pixel portion is set on the opposed surface of the 3rd substrate 213.
In display device according to the present invention, the area of first pixel portion 214 and second pixel portion 215 is different.In display device according to the present invention, use first display of first pixel portion 214 different with the area of second display that uses second pixel portion 215.
In this way, according to the present invention, the area difference of first and second displays, simultaneously, second substrate 212 also is used as the hermetic sealing substrate of first substrate 211, thereby the area of first substrate 211 is identical with the area of second substrate 212.Consider this point, except second pixel portion 215, also setting comprises a plurality of transistorized functional circuit parts 285 on second substrate 212, so that use second substrate 212 effectively.
Functional circuit part 285 comprises a plurality of transistors, and described transistor forms from central processing circuit (CPU, CPU (central processing unit)), memory circuitry, buffer circuits, interface circuit, timing signal generator circuit, format converter circuit, frame memory circuit, image processing circuit, audio frequency processing circuit, transmission/receiving circuit, corrects one or more circuit of selecting circuit, time detection circuit, temperature sensing circuit, luminance detection circuit, register circuit, decoder circuit, divider circuit, the digital signal processing circuit etc.By functional circuit part 285 is set, can reduces the quantity of the IC chip that externally is provided with, and thereby can obtain compact, thin and lightweight display device.
In the circuit that forms functional circuit part 285, luminance detection circuit comprises optical sensor.Thereby except a plurality of transistors, functional circuit part 285 for example also is provided with image pick-up element as optical sensor (or be called " image-forming component ").Image pick-up element can be photodiode or phototransistor.As photodiode, can use in PN diode, PIN diode, schottky diode and the avalanche diode any.PIN diode with low junction capacity has advantage aspect the quick response providing.And, provide the avalanche diode of very quick response and raising signal value having advantage aspect the detection faint light.
Should point out, in said structure, first pixel portion 214 is set on first substrate 211, and, second pixel portion 215 and functional circuit part 285 are set on second substrate 212.Use the area of first display of first pixel portion 214 bigger, yet the present invention is not limited to this pattern than the area of second display that uses second pixel portion 215.On first substrate 211 or second substrate 212, functional circuit part 285 is set.First pixel portion 214 and functional circuit part 285 can be set on first substrate 211, and, second pixel portion 215 only is set on second substrate 212.In the case, use the area of first display of first pixel portion 214 littler than the area of second display that uses second pixel portion 215.
And, in said structure, second pixel portion 215 and functional circuit part 285 are set on second substrate 212.More specifically, near second pixel portion 215, functional circuit part 285 is set.Yet, the layout of second pixel portion 215 and functional circuit part 285 on second substrate 212 is not done special restriction.
And, on a surface of first substrate 211, first junctional membrane 217, anisotropic conductive layer 293 and connecting conductive layer 291 are set.First junctional membrane 217 is connected to first pixel portion 214 by anisotropic conductive layer 293 and connecting conductive layer 291.On a surface of second substrate 212, second junctional membrane 218, anisotropic conductive layer 294 and connecting conductive layer 292 are set.Second junctional membrane 218 is connected to second pixel portion 215 and functional circuit part 285 by anisotropic conductive layer 294 and connecting conductive layer 292.First junctional membrane 217 and second junctional membrane 218 all are connected to printed base plate 219.Printed base plate 219 is provided with a plurality of IC chips 220.In a plurality of IC chips 220 each is corresponding to one or more circuit of selecting in slave controller circuit, power circuit, the central processing circuit etc.A plurality of IC chips 220 provide signal and power supply potential by first junctional membrane 217 or second junctional membrane 218 to first pixel portion 214, second pixel portion 215 and functional circuit part 285.
Fill with active gases 271 not in space between the surface of first substrate 211 and the opposed surface of second substrate 212, to prevent the light-emitting component deterioration.And (referring to Figure 20 A) filled with active gases 272 not in the space between a surface of second substrate 212 and the surface of the 3rd substrate 213.Each not active gases 271 and 272 corresponding to for example rare gas, nitrogen etc.Should point out, can between the opposed surface of the surface of first substrate 211 and second substrate 212, sealing resin layer 273 be set, and can between a surface of surface of second substrate 212 and the 3rd substrate 213, sealing resin layer 274 be set, replace not active gases (referring to Figure 20 B).For sealing resin layer 273 and 274, preferably use thermosetting resin material and ultraviolet hardening resin material.Under the situation that sealing resin layer 273 and 274 are set, spacer material preferably also is set, except that sealing resin layer 273 and 274 so that the distance between the substrate keeps certain.And then, also can be provided with and comprise the material with higher barrier properties such as the layer (the following restraining barrier that abbreviates as sometimes) of metal oxide and oxides of nitrogen.In this way, as a kind of method that is used to prevent the light-emitting component deterioration, can use in the following method any one or more: fill the not method of active gases; The method of sealing resin layer is set; And the method that the restraining barrier is set.
And, first substrate 211, second substrate 212 and the 3rd substrate 213 are fixing by encapsulant 216, yet, can on the marginal portion of first substrate 211, second substrate 212 and the 3rd substrate 213, encapsulant 276 be set further, with the constant intensity between the further increase substrate (referring to Figure 20 B).
And, on a surface of the surface of first substrate 211 and second substrate 212, the IC chip is set by the COG method.The IC chip is as the drive circuit of control first pixel portion 214 and 215 operations of second pixel portion.Should point out that the IC chip has the thickness of about 20-40 μ m at thinnest part, the distance between two substrates is about 10 μ m simultaneously.Thereby, on a surface of first substrate 211, be provided with under the situation of IC chip, preferably suitably control the distance between first substrate 211 and second substrate 212.
The cross-section structure (referring to 20A-20D) of the display device with said structure then, is described in conjunction with the accompanying drawings.First pixel portion 214 and second pixel portion 215 can be the passive matrix that light-emitting component and transistorized active array type is set in each pixel or light-emitting component only is set in each pixel.Four types combination is arranged as mentioned above.Below describe the situation (referring to Figure 21) and first pixel portion 214 that first pixel portion 214 and second pixel portion 215 all are active array type and be passive matrix second pixel portion 215 cross-section structures for the situation of active array type (referring to Figure 22).
Should point out, in Figure 20 A-22, represent the mark of same section to be common in the different accompanying drawings.Below omit description to same tag representative part.
At first, the cross-section structure (referring to Figure 21) that first pixel portion 214 and second pixel portion 215 all are the situation of active array type is described.On a surface of first substrate 211, first pixel portion 214 and drive circuit part 225 are set.First pixel portion 214 comprises first light-emitting component 222 and driving transistors 221.First light-emitting component 222 has the structure that clips electroluminescent layer between the pair of conductive layer.One in the pair of conductive layer of first light-emitting component 222 is connected to as the source wiring of driving transistors 221 or the conductive layer of leak routing.And drive circuit part 225 comprises element group 226, and described element group 226 comprises a plurality of transistors.If desired, can be provided with and comprise transistorized drive circuit part 225, wherein, described transistor is formed for controlling the circuit of the action of first pixel portion 214.And, not active gases 271 fillings of the space between first substrate 211 and second substrate 212.
On a surface of second substrate 212, second pixel portion 215 and functional circuit part 285 are set.Second pixel portion 215 comprises second light-emitting component 224 and driving transistors 223.Second light-emitting component 224 has the structure that clips electroluminescent layer between the pair of conductive layer.One in the pair of conductive layer of second light-emitting component 224 is connected to as the source wiring of driving transistors 223 or the conductive layer of leak routing.Each functional circuit part 285 comprises element group 227, and described element group 227 comprises a plurality of transistors and image pick-up element 228.Not active gases 272 fillings of space between second substrate 212 and the 3rd substrate 213.
In said structure, first light-emitting component 222 that is included in first pixel portion 214 is carried out the bottom light emission, and second light-emitting component 224 that is included in second pixel portion 215 is carried out the top light emission.Thereby, first display that uses first pixel portion 214 is set on the opposed surface of first substrate 211, and, second display that uses second pixel portion 215 is set on the opposed surface of the 3rd substrate 213.The area of first and second displays is different.
Then, describe first pixel portion 214 and be the cross-section structure (referring to Figure 22) of passive matrix second pixel portion 215 for the situation of active array type.On a surface of first substrate 211, first pixel portion 214 is set.First pixel portion 214 comprises first light-emitting component 231.First light-emitting component 231 is corresponding to the lamination of first conductive layer 232, electroluminescent layer 233 and second conductive layer 234.Between the first adjacent light-emitting component 231, insulation course 235 and 236 are set.Fill with sealing resin layer 273 in space between first substrate 211 and second substrate 212.
On a surface of second substrate 212, second pixel portion 215 and functional circuit part 285 are set.Second pixel portion 215 comprises second light-emitting component 224 and driving transistors 223.Each functional circuit part 285 comprises element group 227, and described element group 227 comprises a plurality of transistors.Fill with sealing resin layer 274 in space between second substrate 212 and the 3rd substrate 213.
In said structure, first light-emitting component 231 that is included in first pixel portion 214 is carried out the bottom light emission, and second light-emitting component 224 that is included in second pixel portion 215 is carried out the top light emission.Thereby, first display that uses first pixel portion 214 is set on the opposed surface of first substrate 211, and, second display that uses second pixel portion 215 is set on the opposed surface of the 3rd substrate 213.The area of first and second displays is different.
[embodiment 5]
Describe below and fix two and be provided with the substrate of carrying out the photoemissive light-emitting component in bottom and be that in two substrates each all is provided with the situation (referring to Figure 23 A and 23B) of junctional membrane.Display device according to the present invention comprises first substrate 611 and second substrate 612.First substrate 611 and second substrate 612 are arranged to make a surface of first substrate 611 and a surface of second substrate 612 to face one another.First substrate 611 and second substrate 612 are fixing by encapsulant 616.
First pixel portion 614 that comprises first light-emitting component is set on a surface of first substrate 611.Second pixel portion 615 (referring to Figure 23 A and 23B) that comprises second light-emitting component and functional circuit part 685 is set on a surface of second substrate 612, and wherein, functional circuit part 685 comprises a plurality of transistors.
First light-emitting component that is included in first pixel portion 614 is launched light on the direction of the opposed surface of first substrate 611.Second light-emitting component that is included in second pixel portion 615 is launched light on the direction of the opposed surface of second substrate 612.That is to say that first light-emitting component that is included in first pixel portion 614 is all carried out the bottom light emission with second light-emitting component that is included in second pixel portion 615.Thereby, first display that uses first pixel portion 614 is set on the opposed surface of first substrate 611, and, second display that uses second pixel portion 615 is set on the opposed surface of second substrate 612.The area of first and second displays is different.On a surface of first substrate 611, first junctional membrane 617, anisotropic conductive layer 693 and connecting conductive layer 691 are set.On a surface of second substrate 612, second junctional membrane 618, anisotropic conductive layer 694 and connecting conductive layer 692 are set.First junctional membrane 617 and second junctional membrane 618 all are connected to printed base plate 619.Printed base plate 619 is provided with a plurality of IC chips 620.Should point out that the film that all has splicing ear on two surfaces (surface and opposed surface) can be used as second junctional membrane 618.And the connector that all has two films of splicing ear and be used to be electrically connected two films on their surface can be used as second junctional membrane 618.
Fill with active gases 670 not in space between a surface of first substrate 611 and the surface of second substrate 612, with the deterioration (referring to Figure 23 A) that prevents light-emitting component.Should point out, sealing resin layer 675 can be set replace not active gases 670 (referring to Figure 23 B).Under the situation that sealing resin layer 675 is set, except that sealing resin layer 675, also spacer material 679 can be set, so that the distance between the substrate keeps certain.And then, the restraining barrier can be set, with covering luminous element.First substrate 611 and second substrate 612 are fixing by encapsulant 616, yet, can on the marginal portion of first substrate 611 and second substrate 612, encapsulant 676 be set, with the constant intensity (referring to Figure 23) between the further increase substrate.
And, can on a surface of the surface of first substrate 611 and second substrate 612, the IC chip be set by the COG method.The IC chip is as the drive circuit of the action of control first pixel portion 614 and second pixel portion 615.Should point out that the IC chip has the thickness of about 30 μ m at thinnest part, simultaneously, the distance between two substrates is about 10 μ m.Thereby, on a surface of the surface of first substrate 611 and second substrate 612, be provided with under the situation of IC chip, preferably suitably control the distance between first substrate 611 and second substrate 612.
The detail sections structure (referring to Figure 23 A and 23B) of the display device with said structure then, is described in conjunction with the accompanying drawings.First pixel portion 614 and second pixel portion 615 can be active array type or passive matrix.Four types combination is arranged as mentioned above.The cross-section structure (referring to Figure 24) that first pixel portion 614 and second pixel portion 615 all are the situation of active array type is below described.
Should point out, in Figure 23 A-24, represent the mark of same section to be common in the different accompanying drawings.Below omit description to same tag representative part.
First pixel portion 614 and the drive circuit part 625 that comprises first light-emitting component is set on a surface of first substrate 611.First pixel portion 614 comprises first light-emitting component 622 and driving transistors 621.Drive circuit part 625 comprises element group 626.On a surface of second substrate 612, be provided with and comprise second pixel portion 615 of second light-emitting component and comprise a plurality of transistorized functional circuit parts 685.Second pixel portion 615 comprises second light-emitting component 624 and driving transistors 623.Each functional circuit part 685 all comprises element group 627.
In said structure, first light-emitting component 622 that is included in first pixel portion 614 is all carried out the bottom light emission with second light-emitting component 624 that is included in second pixel portion 615.Thereby, first display that uses first pixel portion 614 is set on the opposed surface of first substrate 611, and, second display that uses second pixel portion 615 is set on the opposed surface of second substrate 612.
And, in said structure, restraining barrier 683 is set covers first light-emitting component 622, and restraining barrier 684 is set covers second light-emitting component 624.And, between first substrate 611 and second substrate 612, sealing resin layer 675 is set.By restraining barrier 683 and 684 and sealing resin layer 675 are set, can prevent the deterioration of first light-emitting component 622 and second light-emitting component 624.And, can prevent the short circuit of first light-emitting component 622 and second light-emitting component 624.
In said structure, between first substrate 611 and second substrate 612, spacer material 679 is set.By spacer material 679 is set, can make the distance between first substrate 611 and second substrate 612 keep certain.Should point out, if desired, can between first substrate 611 and second substrate 612, spacer material 679 be set, yet preferred is provided with spacer material 679 on the insulation course 697 and 698 as spacer.Only on insulation course 697 and 698, be provided with under the situation of spacer material, preferably form spacer material 679 by photoetching process as spacer.
[embodiment 6]
Describe below and fix two and be provided with the substrate of carrying out the photoemissive light-emitting component in bottom and be a situation (referring to Figure 25 A-25C) that junctional membrane is set in two substrates.Display device according to the present invention comprises first substrate 711 and second substrate 712.First substrate 711 and second substrate 712 are arranged to make a surface of first substrate 711 and a surface of second substrate 712 to face one another.First substrate 711 and second substrate 712 are fixing by encapsulant 716.
First pixel portion 714 that comprises first light-emitting component is set on a surface of first substrate 711, and, second pixel portion 715 that comprises second light-emitting component is set on a surface of second substrate 712 and comprises a plurality of transistorized functional circuit parts 785.
First light-emitting component that is included in first pixel portion 714 is launched light on the direction of the opposed surface of first substrate 711.Second light-emitting component that is included in second pixel portion 715 is launched light on the direction of the opposed surface of second substrate 712.In said structure, first light-emitting component that is included in first pixel portion 714 is all carried out the bottom light emission with second light-emitting component that is included in second pixel portion 715.Thereby, first display that uses first pixel portion 714 is set on the opposed surface of first substrate 711, and, second display that uses second pixel portion 715 is set on the opposed surface of second substrate 712.The area of first and second displays is different.
On a surface of first substrate 711, junctional membrane 717, anisotropic conductive layer 793 and connecting conductive layer 791 are set.Junctional membrane 717 is connected to printed base plate 719.Printed base plate 719 is provided with a plurality of IC chips 720.
And, on a surface of first substrate 711, connecting conductive layer 746 is set, and, on a surface of second substrate 712, connecting conductive layer 747 is set.Connecting conductive layer 746 and 747 is electrically connected by conduction spacer material 748.Conduction spacer material 748 comprises the particle spacer material of coating electrically conductive material (for example, gold) at least, as comprises the material of resin material and the material that obtains by coating electrically conductive material on particle spacer material surface.
And, IC chip 781 (referring to Figure 25 C) is set on a surface of first substrate 711.IC chip 781 is fixed on first substrate 711 by the COG method, and, be connected to first pixel portion 714, second pixel portion 715 and functional circuit part 785 by anisotropic conductive layer 780.
And (referring to Figure 25 A) filled with active gases 770 not in the space between a surface of first substrate 711 and the surface of second substrate 712.Yet, sealing resin layer 775 can be set replace not active gases 770 (referring to Figure 25 B).Under the situation that sealing resin layer 775 is set, spacer material 779 preferably also is set, except that sealing resin layer 775 so that keep the distance between the substrate even.And, the restraining barrier can be set come covering luminous element.First substrate 711 and second substrate 712 are fixed by encapsulant 716, yet, can encapsulant 776 be set in the marginal portion of first substrate 711 and second substrate 712, with the constant intensity between the further increase substrate (referring to Figure 25 B and 25C).
Below, first substrate 711 and second substrate 712 (referring to Figure 26 A and 26B) with structure shown in Figure 25 C described in conjunction with plan view from above.First pixel portion 714, encapsulant 716, connecting conductive layer 746, spacer material 779, IC chip 781 and drive circuit part 725 and 741 are set on first substrate 711.Second pixel portion 715 and connecting conductive layer 747 are set on second substrate 712.IC chip 781 is preferably used as the Source drive of first pixel portion 714 and second pixel portion 715.
Fix first substrate 711 and second substrate 712 by on connecting conductive layer 746, forming conduction spacer material 748, thereby, be electrically connected connecting conductive layer 746 on first substrate 711 and the connecting conductive layer 747 on second substrate 712.And, spacer material 779 on first substrate 711 is arranged to make the distance between first substrate 711 and second substrate 712 to keep certain, and, on first pixel portion 714 and drive circuit 725 and 741 so that spacer material 779 clocklike to be set at interval.On first pixel portion 714, be provided with under the situation of spacer material 779, preferably in the zone except that the opening portion 705 of each pixel 754 so that spacer material 779 (referring to Figure 26 C) clocklike to be set at interval.Opening portion 705 is the radiative zones of light-emitting component.Zone except that opening portion 705 is the zone that is provided as the insulation course of spacer.
Below, description has the detail sections structure (referring to Figure 25 A-26C) of the display device of said structure in conjunction with the accompanying drawings.Should point out that first pixel portion 714 and second pixel portion 715 can be active array type or first source matrix type.Four types combination is arranged as mentioned above.The cross-section structure (referring to Figure 27) that first pixel portion 714 and second pixel portion 715 all are the situation of active array type is below described.
Should point out, in Figure 25 A-27, represent the mark of same section to be common in the different accompanying drawings.Below omit description to same tag representative part.
At first, the cross-section structure (referring to Figure 27) that first pixel portion 714 and second pixel portion 715 all are the situation of active array type is described.On a surface of first substrate 711, first pixel portion 714 and drive circuit part 725 are set.First pixel portion 714 comprises first light-emitting component 722 and driving transistors 721.Drive circuit part 725 comprises element group 726.On a surface of second substrate 712, second pixel portion 715 and functional circuit part 785 are set.Second pixel portion 715 comprises second light-emitting component 724 and driving transistors 723.Each functional circuit part 785 comprises element group 727.
In said structure, first light-emitting component 722 that is included in first pixel portion 714 is all carried out the bottom light emission with second light-emitting component 724 that is included in second pixel portion 715.First display that uses first pixel portion 714 is set on the opposed surface of first substrate 711, and, second display that uses second pixel portion 715 is set on the opposed surface of second substrate 712.
And, restraining barrier 683 is set so that cover first light-emitting component 722, and, restraining barrier 684 is set so that cover second light-emitting component 624.
On a surface of first substrate 711, connecting conductive layer 746 is set, and, on a surface of second substrate 712, connecting conductive layer 747 is set.Connecting conductive layer 746 and 747 is electrically connected by conduction spacer material 748.Provide various signals and power supply potential by junctional membrane 717 to first pixel portion 714 and drive circuit 725.Provide various signals and power supply potential by connecting conductive layer 746, conduction spacer material 748, second connecting conductive layer 747 and junctional membrane 717 to second pixel portion 715 and functional circuit part 785.
Between first substrate 711 and second substrate 712, sealing resin layer 775 is set.By sealing resin layer 775 is set, can prevent the deterioration of first light-emitting component 722 and second light-emitting component 724.And, can prevent the short circuit of first light-emitting component 722 and second light-emitting component 724.
[embodiment 7]
In said structure, between first substrate 711 and second substrate 712, spacer material 779 is set.By spacer material 779 is set, can make the distance between first substrate 711 and second substrate 712 keep certain.
Display device according to the present invention comprises functional circuit part 285.Be described below in conjunction with the profile instance of accompanying drawing functional circuit part 285.
Functional circuit part 285 with first structure comprises: the memory circuitry 131 and 133 that is formed by volatile memory such as SRAM (static RAM) and DRAM (dynamic RAM); Central processing circuit 132; The interface circuit 134 of interim storage assembly and switching signal form; And system bus 135 (referring to Figure 28).The various signals that provide from external device (ED) are input to the central processing circuit 132 by interface circuit 134 and system bus 135.Central processing circuit 132 image data processings, and send the control signal that is used for logical circuit to memory circuitry 131.The memory circuitry 131 interim data that provide from central processing circuit 132 that store.Central processing circuit 132 sends treated view data to memory circuitry 133, and the data that provide then are provided memory circuitry 133.The view data that is stored in the storer 133 offers each pixel by drive circuit.
Functional circuit part 285 with second structure comprises: the timing signal generator circuit 136 of clocking and return clock signal (clock back signal), and wherein, described signal is determined the operation timing of each circuit; Format converter circuit 137, wherein, circuit 137 is by conversion compressed encoding signal and image is carried out interpolation etc. handle image; And frame memory circuit 138, wherein, circuit 138 stores the view data (referring to Figure 29) that its form is converted.The view data that is stored in the memory circuitry 138 offers each pixel portion by drive circuit.
Functional circuit part 285 with the 3rd structure comprises: memory circuitry 133; The memory circuitry 139 of stored routine data and view data; Image processing circuit 140; Memory circuitry 131; Central processing circuit 132; Interface circuit 134 and system bus 135 (referring to Figure 30).The data that are stored in the memory circuitry 139 are handled by central processing circuit 132, and wherein, central processing circuit 132 passes through read/writable memory device circuit 131 and deal with data.Image processing circuit 140 is conversion image data by varying sized grade, thus the view data through conversion is stored in the memory circuitry 133.The view data that is stored in the memory circuitry 133 offers each pixel portion by drive circuit.
Each circuit that is included in the functional circuit part 285 is formed by the transistor with semiconductor layer, and wherein, described semiconductor layer is as active layer.Require each circuit with two-forty work, thereby, the preferred transistor that uses with crystalline state semiconductor layer, wherein, described crystalline state semiconductor layer is as active layer.The structure of functional circuit part 285 is not limited to said structure, but can comprise one or more circuit of selecting from register circuit, decoder circuit, counter circuit, divider circuit, digital signal processor (DSP) etc.Have the transistor of crystalline state semiconductor layer by use, can be monolithically formed various circuit on insulating surface, wherein, described crystalline state semiconductor layer is as active layer.This kind panel requires to connect a spot of peripheral circuit such as IC.As functional circuit part 285, system is compact, in light weight and thin on the panel that forms various circuit on the identical substrate.
[embodiment 8]
In conjunction with the accompanying drawings the structure according to display device of the present invention is described.Display device according to the present invention comprises first pixel portion 514, second pixel portion 515, controller circuitry 26, power circuit 27 and central processing circuit 28 (referring to Figure 12 A).
Central processing circuit 28 provides such as synchronization of clock signals signal and vision signal to controller circuitry 26.Power circuit 27 provides power supply potential to first pixel portion 514 and second pixel portion 515.Controller circuitry 26 clockings, inversion clock signal, beginning pulse signal and latch signal, and based on the signal that provides from central processing circuit 28 and the converting video signal.For example being converted to of vision signal is converted to the vision signal that is used for the time gray scale approach to analog video signal.Controller circuitry 26 provides the various signals and the process video signal converted of generation to first pixel portion 514 and second pixel portion 515.Should point out that the signal that controller circuitry 26 offers each pixel portion is referred to as control signal in some cases.
Below, the situation (referring to Figure 12 B-12D) that comprises first pixel portion 514, second pixel portion 515, controller circuitry 26, power circuit 27, central processing circuit 28 and on-off circuit 29 is described.
The operation of the situation of selecting one of two pixel portion at first, is described.Central processing circuit 28 is used to select the pixel portion of one of two pixel portion to select signal to on-off circuit 29 outputs.Controller circuitry 26 is selected signal based on the pixel portion of exporting to on-off circuit 29 and an output control signal in first pixel portion 514 and second pixel portion 515, but to another output control signal.Power circuit 27 is also selected signal based on the pixel portion of exporting to on-off circuit 29 and in first pixel portion 514 and second pixel portion 515 one provides power supply potential, but does not provide power supply potential to another.That is to say, slave controller circuit 26 in first pixel portion 514 and second pixel portion 515 provides control signal, and, also provide power supply potential (being also referred to as duty) to this pixel portion from power circuit 27, but, slave controller circuit 26 does not provide control signal to another pixel portion, and, do not provide power supply potential (being also referred to as holding state) (referring to Figure 12 B and 12C) to another pixel portion from power circuit 27.
Below, the operation of the situation of selecting whole two pixel portion is described.Central processing circuit 28 is used to select the pixel portion of two pixel portion to select signal to on-off circuit 29 outputs.Controller circuitry 26 is to two pixel portion output control signals, and power circuit 27 provides power supply potential (referring to Figure 12 D) to two pixel portion.That is, two pixel portion in running order in.
Should point out, each circuit in controller circuitry 26, power circuit 27, central processing circuit 28 and the on-off circuit 29 all is provided as the IC chip on printed base plate, yet, preferably by on the substrate that pixel portion is installed, using element that each circuit and pixel portion are integrated, perhaps, preferably each circuit as the IC chip is fixed to the substrate that pixel portion is installed by the COG method.
In said structure, controller circuitry 26 and power circuit 27 are shared by first pixel portion 514 and second pixel portion 515, therefore, can reduce the quantity of IC chip, and can realize compact, thin, in light weight and cheap display device.This embodiment pattern can realize easily in conjunction with above-mentioned embodiment.
[embodiment 9]
Display device according to the present invention comprises two pixel portion.And display device according to the present invention comprises by two pixel portion controller shared circuit and power circuit.Below in conjunction with accompanying drawing typical four kinds of configurations are described, as the profile instance of pixel portion.
At first, to comprising that in a pixel 54 light-emitting component 57 and two transistorized active matrix configurations (pixel that comprises two TFT) are described (referring to Figure 13).
Pixel portion 53 comprises many roots line S1-Sx (x is a natural number), many grid line G1-Gy (y is a natural number), many power lead V1-Vx, many power lead Va1-Vay and a plurality of pixel 54.Controller circuitry 26, power circuit 27, Source drive 51 and gate driver 52 are set in the periphery of pixel portion 53.
Controller circuitry 26 provides various signals to Source drive 51 and gate driver 52.Power circuit 27 provides power supply potential by many power lead V1-Vx and Duo Gen power lead Va1-Vay to pixel portion 53.Source drive 51 provides vision signal by many roots line S1-Sx to each pixel 54.Gate driver 52 provides gate select signal by many grid line G1-Gy to each pixel 54.
Pixel 54 comprises: the switching transistor 55 (being called the first transistor sometimes) that the vision signal that is input in the pixel 54 is controlled; The driving transistors 56 (being called transistor seconds sometimes) of the current value that provides between the comparative electrode of light-emitting component 57 is provided; The capacitor 58 that keeps the gate source voltage (magnitude of voltage between gate electrode and the source electrode) of driving transistors 56; And light-emitting component 57.Should point out that it is in order to keep the gate source voltage of driving transistors 56 that capacitor 58 is set.When the replaceable capacitor 58 of the gate capacitance of driving transistors 56 or stray capacitance, just do not require capacitor 58 is set.
Then, to comprising that in a pixel 54 light-emitting component 57 and three transistorized active matrix configurations (pixel that comprises three TFT) are described (referring to Figure 14).
This configuration is different with above-mentioned configuration (referring to Figure 13), in this configuration, and cancellation capacitor 58, and, many grid line R1-Ry, gate driver 59 and erasing transistor 60 are set in addition.Controller circuitry 26 is connected to gate driver 59.And gate driver 59 provides gate select signal by many grid line R1-Ry to pixel portion 53.
The on/off state of erasing transistor 60 (being called the 3rd transistor sometimes) controlling and driving transistor 56.The on/off state of driving transistors 56 is depended in the light emission of light-emitting component 57, thereby, according to the layout of erasing transistor 60, might make the state that electric current does not flow to light-emitting component 57 by force.Therefore, can be when write cycle time begin or just begin the light emission thereafter, and needn't wait for signal is write in all pixels.Correspondingly, improve dutycycle, and can help showing moving image.Should point out that the gate capacitance of driving transistors 56 is as the electric capacity of the gate source voltage that is used to keep driving transistors 56, therefore, not shown capacitor.Yet, if requirement can be provided with capacitor.
Then, to comprising that in a pixel 54 light-emitting component 57 and four transistorized active matrix configurations (pixel that comprises four TFT) are described (referring to Figure 15).
This configuration is different with above-mentioned configuration (referring to Figure 14), in this configuration, and cancellation driving transistors 56, and, many power lead P1-Px, driving transistors 61 and current control transistor 62 are set in addition.Power circuit 27 provides power supply potential by many power lead P1-Px to pixel portion 53.
Driving transistors 61 is by being connected to its gate electrode the power lead Pm (1≤m≤x, m are natural number) with set potential, so that the current potential of its gate electrode fixes, thereby works in the zone of saturation.By the gate electrode incoming video signal of switching transistor 55 to current control transistor 62, wherein, current control transistor 62 is connected in series to driving transistors 61 and works in the range of linearity, and described vision signal comprises light emission or the non-photoemissive data that are used for pixel.When the source-drain voltage of current control transistor 62 hanged down, the slight variation of the gate source voltage of current control transistor 62 did not influence the current value that offers light-emitting component 57.Correspondingly, determine to offer the current value of light-emitting component 57 by the driving transistors 61 of in the zone of saturation, working.Should point out that the gate capacitance of driving transistors 56 is as the electric capacity of the gate source voltage that is used to keep driving transistors 56, therefore, not shown capacitor.Yet, if requirement can be provided with capacitor.
Should point out that the conduction of each is not done special restriction in switching transistor 55, driving transistors 56, erasing transistor 60, driving transistors 61 and the current control transistor 62, and, can be N channel-type or P channel-type.
Then, the passive matrix that comprises light-emitting component 57 in a pixel 54 is configured into line description (referring to Figure 16).
Pixel portion 53 comprises: many roots line S1-Sx (x is a natural number), many grid line G1-Gy (y is a natural number) and a plurality of pixel 54.In a plurality of pixels 54 each all comprises light-emitting component 57.In the pair of conductive layer of light-emitting component 57 one is that (conductive layer of 1≤m≤x), another is to form the grid line Gn (conductive layer of 1≤n≤y) to formation source line Sm.
Controller circuitry 26, power circuit 27, Source drive 51 and gate driver 52 are set in the periphery of pixel portion 53.Source drive 51 comprises a plurality of constant-current supplies 63 and a plurality of switch 64.Gate driver 52 comprises a plurality of switches 65.An electrode of light-emitting component 57 is connected to constant-current supply 63 by switch 64.And another electrode of light-emitting component 57 is connected to power circuit 27 by switch 65.
Should point out, in above-mentioned arbitrary configuration, pixel portion 53 all comprises a plurality of pixels 54, carrying out under the colored situation about showing, each pixel 54 all corresponding to the corresponding pixel of redness, with green corresponding pixel and with the corresponding pixel of blueness in any.Pixel arrangement can be: arranged in strips, and wherein, red pixel, green pixel and blue pixel are with arranged in strips; Mosaic arrangements, wherein, the pixel of same color is in tilted layout; And △ arranges that wherein, red pixel, green pixel and blue pixel are with triangular arrangement.Arranged in strips is suitable for showing the information data such as straight line, numeral and text, and mosaic arrangements and △ arrange the view data that is suitable for showing such as photograph image.Using between two pixel portion under the situation of different pieces of information in the mode of another pixel portion display image data of pixel portion display message data while, preferably in the pixel portion that is used for the display message data with a plurality of pixels of arranged in strips, and, in the pixel portion that is used for display image data with inlaid shapes or a plurality of pixels of △ arrangements.
And, carrying out under the colored situation about showing, with the group of arranged in matrix redness, green and blue three pixels, yet the present invention is not limited to this configuration.The group of available arranged in matrix redness, green, blueness and four pixels of white.This embodiment can be realized easily in conjunction with above-mentioned embodiment.
[embodiment 10]
Display device according to the present invention comprises two pixel portion, and has display in its front and the back side.Offer in first pixel portion and second pixel portion vision signal of each and do not do special restriction, and can be analog video signal or digital video signal.Vision signal provide four types combination.The first kind is the situation that analog video signal all is provided to first pixel portion and second pixel portion; Second class is to provide analog video signal to first pixel portion and the situation of digital video signal is provided to second pixel portion; The 3rd class is to provide digital video signal to first pixel portion and the situation of analog video signal is provided to second pixel portion; And the 4th class is the situation that digital video signal all is provided to first pixel portion and second pixel portion.
In combinations thereof, for example, can provide digital video signal to the main pixel portion of main demonstration moving image and high-definition picture, so that combine digital shows, simultaneously, inferior pixel portion to main demonstration rest image such as text data and numerical data provides analog video signal, shows so that carry out simulation.The pixel portion write signal of carrying out the simulation demonstration is not frequent, therefore, can reduce the power consumption of Source drive.And, when write signal not too continually, can reduce the frequency of Source drive, can write vision signal exactly thus.
And, the vision signal of working voltage and the vision signal of use electric current are arranged.That is, the vision signal that is input in the pixel in the light-emitting component emission light time is constant voltage signal or constant current signal.The constant voltage vision signal is the vision signal of constant voltage to be provided or the vision signal of steady current is provided to light-emitting component to light-emitting component.The constant current vision signal is the vision signal of constant voltage to be provided or the vision signal of steady current is provided to light-emitting component to light-emitting component.When light-emitting component provides constant voltage, be called constant voltage driving; When light-emitting component provides steady current, be called constant-current driving.Constant-current driving provides steady current to light-emitting component, and is irrelevant with the resistance variations of light-emitting component.
Can provide voltage vision signal or electric current vision signal to each pixel portion.Four types combination is arranged.The first kind is the situation that the voltage vision signal all is provided to first pixel portion and second pixel portion; Second class is to provide the voltage vision signal to first pixel portion and the situation of electric current vision signal is provided to second pixel portion; The 3rd class is to provide the electric current vision signal to first pixel portion and the situation of voltage vision signal is provided to second pixel portion; And the 4th class is the situation that the electric current vision signal all is provided to first pixel portion and second pixel portion.
And each pixel portion can adopt any in constant voltage driving and the constant-current driving.Four types combination is arranged.The first kind is the situation that first pixel portion and second pixel portion all adopt constant voltage driving; Second class is that first pixel portion adopts constant voltage driving and the situation of second pixel portion employing constant-current driving; The 3rd class is that first pixel portion adopts constant-current driving and the situation of second pixel portion employing constant voltage driving; And the 4th class is the situation that first pixel portion and second pixel portion all adopt constant-current driving.
And each all comprises a plurality of pixels first pixel portion and second pixel portion, yet, be included in pixel quantity in each pixel portion and do not require identically, and each pixel portion can comprise the pixel of varying number.The pel spacing of each pixel portion does not require identical, and each pixel portion can have different pel spacings.And the display area of each pixel portion does not require identical, and each pixel portion can have different display areas.And the number of greyscale levels of the shown image of each pixel portion does not require identical, and each pixel portion can show the gray level of varying number.
Display device according to the present invention comprises light-emitting component.Pixel portion is carried out colored the demonstration or monochromatic the demonstration according to the material of the electroluminescent layer that is used for light-emitting component and the use of color filter and color conversion layer.
At first, launch at light-emitting component under the situation of red, green or blue light, pixel portion is carried out colored the demonstration.Launch white light and the colored demonstration of pixel portion execution is set under the situation of color filter at light-emitting component.At light-emitting component emission white light and be not provided with under the situation of color filter, pixel portion fill order wraps demonstration.Launch blue light and the colored demonstration of pixel portion execution is set under the situation of color conversion layer at light-emitting component.Launch blue light and the monochromatic demonstration of pixel portion execution is not set under the situation of color conversion layer at light-emitting component.Under a kind of situation, pixel portion is carried out monochromatic the demonstration in, the green glows red in light-emitting component emission etc.
Launch at light-emitting component under the situation of red, green or blue light, when not requiring the use blooming, improve the light utilization ratio.And, under the situation of light-emitting component emission white light or blue light, when not requiring independent deposit electroluminescent layer, can improve output.Under the situation that color filter or color conversion layer are set, improve excitation and contrast.
Light-emitting component can be: electroluminescent layer is by a plurality of layers of heap layer type that forms; The single layer type that electroluminescent layer is formed by one deck; And, electroluminescent layer form by a plurality of layers but the layer with layer between the clear mixed type of obscure boundary.And, forward stepped construction and reverse stack structure are arranged, wherein, in the forward stepped construction, by on electroluminescent layer on from top to bottom sequential cascade and corresponding first conductive layer of anode, first conductive layer and the electroluminescent layer with corresponding second conductive layer of negative electrode.In the reverse stack structure, by on electroluminescent layer on from top to bottom sequential cascade and corresponding first conductive layer of negative electrode, first conductive layer and the electroluminescent layer with corresponding second conductive layer of anode.According to the flow through direction of light-emitting component of the transistorized conduction that is used for driven light-emitting element and electric current, light-emitting component can adopt suitable structure.Electroluminescent layer can be formed by following material: organic material (low-molecular-weight, high molecular and intermediate molecular weight), inorganic material, singlet material, triplet material or mix one or more materials of selecting and the material that obtains from above-mentioned four kinds of materials.Comprise from the light of light-emitting component emission: when the light emission (fluorescence) that when the singlet foment turns back to ground state, takes place; And when the light emission (phosphorescence) that when the triplet foment turns back to ground state, takes place.The present invention adopt these photoemissive one or both.Light-emitting component is suitable for showing moving image, has wide visual angle, does not require thin design and the light weight of just can realizing backlight, and, quick response can be provided.By the light-emitting component that use has above-mentioned advantage, can provide the display device that realizes high-performance and high added value.This embodiment can be realized easily in conjunction with the foregoing description pattern.
[embodiment 11]
The electronic installation that uses display device of the present invention is described in conjunction with the accompanying drawings.Electronic installation comprises shell 800, shell 805, shell 806, panel 801, action button 802, printed base plate 803, printed base plate 807, battery 804, junctional membrane 808 and junctional membrane 809 (referring to Figure 17).Panel 801 comprises pixel portion on its front and the back side.Each pixel portion is connected to printed base plate 807 by junctional membrane 808 or 809.A plurality of IC chips are installed on printed base plate 807.The IC chip is corresponding to one or more circuit of selecting in slave controller, central processing circuit, storer, power circuit, image processing circuit, audio frequency processing circuit, transmission/receiving circuit, time detection circuit, correction circuit, the temperature sensing circuit etc.Panel 801, action button 802, printed base plate 803 and 807, battery 804, junctional membrane 808 and 809 leave in shell 800,805 and 806.Each pixel portion that is included in the panel 801 is arranged as and can sees pixel portion from the opening being arranged on shell 800 and 806.
Should point out 800,805 and 806 examples that the outer shape of mobile phone is shown of shell.According to its function and application, can have various patterns according to the electronic installation of this embodiment.Therefore, below in conjunction with Figure 18 A-19D the schema instance of electronic installation is described.
Mobile phone comprises (referring to Figure 18 A-18C) such as panel 801, action button 802, printed base plate 803 and 807, battery 804, shell 806, display 810, displays 811.When opening mobile phone, use display 810 (referring to Figure 18 A), and, display 811 (referring to Figure 18 C) when folding mobile telephone, used.The present invention can be applicable to have the display device of display 810 and display 811.
Portable or information terminal comprises (referring to Figure 18 D and 18E) such as display 9101, display 9102, button 9103, rotating shafts 9104.In portable data assistance, when opening portable data assistance, use display 9101, and, when the folding portable information terminal, use display 9102.Open with folded state in, by using rotating shaft 9104 rotational shells, can use display 9101 and display 9102.The present invention can be applicable to comprise the display device of display 9101 and display 9102.
Video camera such as Digital Video comprises (referring to Figure 18 F and 18G) such as display 9301, display 9302, displays 9303.The present invention can be applicable to comprise the display device of display 9301 and display 9303.
Camera such as digital camera comprises (referring to Figure 19 A-19D) such as display 9501, display 9502, camera lenses 9503.The present invention can be applicable to comprise the display device of display 9501 and display 9502.In camera such as digital camera, when closing digital camera, use display 9501 (referring to Figure 19 B), and, when opening digital camera, use one or two (referring to Figure 19 C) in display 9501 and the display 9502.When opening digital camera, by show identical image on display 9501 and 9502, photographer and reference object can be checked the image (referring to Figure 19 C) of shooting simultaneously.And, but the counter-rotating of display 9501 executive levels shows that display 9502 is carried out normal show (referring to Figure 19 D) simultaneously.In this way, when the counter-rotating of display 9501 executive levels showed, reference object was watched mirror image.That is to say that reference object can be watched his mirror image, wherein, mirror image is that he sees with mirror usually, thereby he can loosen.And mirror image also can be used for designing the outward appearance of oneself.
The electronic installation of using display device of the present invention is not limited to the above.Example has: television equipment (being also referred to as televisor, radiovisor, television receiver and TV); Video camera such as digital camera and Digital Video; Portable telephone device (being also referred to as mobile phone and mobile phone); Portable data assistance (PDA (personal digital assistant) etc.); Portable game machine; Monitor; Notebook-PC; Tablet PC; Audio reproducing apparatus such as AUtomobile audio frequency device; Be provided with the image-reproducing means of recording medium, as family game machine etc.In electronic installation, portable electron device as portable telephone device, portable data assistance, such as the video camera of digital camera and Digital Video, have the compact case that carries easily, thereby enclosure has limited volume.Thereby compact and thin the present invention can effectively be used.This embodiment can be realized easily in conjunction with above-mentioned embodiment.
The portable telephone device different with said apparatus comprises (referring to Figure 31 A-31C) such as panel 8010, action button 8020, printed base plate 8030 and 8070, battery 8040, shell 8060, display 8100, displays 8110. Display 8100 and 8110 area are different.The present invention can be applicable to have the display device of display 8100 and 8110.
In addition, the portable data assistance different with said apparatus comprises (referring to Figure 31 D and 31E) such as display 8101, display 8102, button 8103, rotating shafts 8104.Display 8101 and 8102 area are different.The present invention can be applicable to have the display device of display 8101 and 8102.
And the camera different with said apparatus as digital camera, comprises (referring to Figure 31 F and 31G) such as display 8301, display 8302, displays 8303. Display 8301 and 8303 area are different.The present invention can be applicable to have the display device of display 8301 and 8303.
The present invention is based on November 19th, 2004 to the Japanese patent application 2004-336604 of Jap.P. office submission and the 2004-339652 that submitted to Jap.P. office on November 24th, 2004, the full content of these patented claims is hereby incorporated by reference.

Claims (18)

1. display device comprises:
First substrate is provided with first light-emitting component adjacent with the first surface of this first substrate;
Second substrate is provided with second light-emitting component adjacent with the first surface of this second substrate; And
The 3rd substrate,
It is characterized in that:
The second surface of the first surface of first substrate and second substrate faces one another;
The first surface of the first surface of second substrate and the 3rd substrate faces one another;
First light-emitting component is by the second surface emission light of first substrate;
Second light-emitting component is by the second surface emission light of the 3rd substrate;
The second surface of first display and first substrate is adjacent; And
The second surface of second display and the 3rd substrate is adjacent.
2. display device as claimed in claim 1,
First pixel portion comprising first light-emitting component is an active array type, and second pixel portion that comprises second light-emitting component is a passive matrix.
3. display device as claimed in claim 1,
Wherein first substrate also is provided with first conductive layer, and second substrate also is provided with second conductive layer, and
First pixel portion comprising first light-emitting component is an active array type, and second pixel portion that comprises second light-emitting component is an active array type.
4. as any one described display device among the claim 1-3, it is characterized in that:
The first surface that is electrically connected to first junctional membrane of first light-emitting component and first substrate is adjacent; And
The first surface that is electrically connected to second junctional membrane of second light-emitting component and second substrate is adjacent.
5. as any one described display device among the claim 1-3, it is characterized in that:
The first surface that is electrically connected to first flexible printed circuit board of first light-emitting component and first substrate is adjacent; And
The first surface that is electrically connected to second flexible printed circuit board of second light-emitting component and second substrate is adjacent.
6. as any one described display device among the claim 1-3, it is characterized in that:
Photoemissive transistor AND gate first substrate that is used to control first light-emitting component is adjacent.
7. as any one described display device among the claim 1-3, it is characterized in that:
Photoemissive transistor AND gate second substrate that is used to control second light-emitting component is adjacent.
8. as any one described display device among the claim 1-3, it is characterized in that:
The first surface that is used to drive first drive circuit of first light-emitting component and first substrate is adjacent.
9. as any one described display device among the claim 1-3, it is characterized in that:
The first surface that is used to drive second drive circuit of second light-emitting component and second substrate is adjacent.
10. as any one described display device among the claim 1-3, it is characterized in that:
It is adjacent to be used to control the controller circuitry of first light-emitting component and second light-emitting component and first substrate or second substrate.
11., it is characterized in that as any one described display device among the claim 1-3:
Be used for providing the power circuit of power supply potential and first substrate or second substrate adjacent to first light-emitting component and second light-emitting component.
12., it is characterized in that as any one described display device among the claim 1-3:
The first surface that is used to control the first surface of the controller circuitry of first light-emitting component and second light-emitting component and first substrate or second substrate is adjacent.
13., it is characterized in that as any one described display device among the claim 1-3:
Be used for providing the first surface of the first surface of the power circuit of power supply potential and first substrate or second substrate adjacent to first light-emitting component and second light-emitting component.
14., also comprise as any one described display device among the claim 1-3:
On-off circuit and the controller circuitry of controlling first light-emitting component or second light-emitting component based on the signal of exporting from on-off circuit.
15., also comprise as any one described display device among the claim 1-3:
On-off circuit and based on the power circuit that power supply potential is provided to first light-emitting component or second light-emitting component from the signal of on-off circuit output.
16., it is characterized in that as any one described display device among the claim 1-3:
On-off circuit and adjacent based on the first surface of the first surface of the controller circuitry of controlling first light-emitting component or second light-emitting component from the signal of on-off circuit output and first substrate or second substrate.
17., it is characterized in that as any one described display device among the claim 1-3:
On-off circuit and based on providing the first surface of the first surface of the power circuit of power supply potential and first substrate or second substrate adjacent to first light-emitting component or second light-emitting component from the signal of on-off circuit output.
18. electronic installation that uses any one described display device among the claim 1-3.
CN200510120464A 2004-11-19 2005-11-18 Display device and electronic device Expired - Fee Related CN100593182C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004336604 2004-11-19
JP2004336604 2004-11-19
JP2004339652 2004-11-24

Publications (2)

Publication Number Publication Date
CN1784134A CN1784134A (en) 2006-06-07
CN100593182C true CN100593182C (en) 2010-03-03

Family

ID=36773762

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200510120464A Expired - Fee Related CN100593182C (en) 2004-11-19 2005-11-18 Display device and electronic device

Country Status (1)

Country Link
CN (1) CN100593182C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019234543A1 (en) 2018-06-06 2019-12-12 株式会社半導体エネルギー研究所 Display device, display module, and electronic device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000058260A (en) * 1998-08-07 2000-02-25 Mitsubishi Electric Corp Two-side light emitting electrolyminescent element and two-side self-light-emitting information display element
JP2004055565A (en) * 2002-07-23 2004-02-19 Samsung Nec Mobile Display Co Ltd Dual type organic electroluminescence display, and method for manufacturing the same
CN1496199A (en) * 2002-09-19 2004-05-12 �����ձ������ƶ���ʾ��ʽ���� Two-type organic electroluminescent display and its mfg. method
CN1753053A (en) * 2004-09-24 2006-03-29 日本东北先锋公司 Electronic apparatus, double-sided display panel and method of manufacturing the double-sided display panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000058260A (en) * 1998-08-07 2000-02-25 Mitsubishi Electric Corp Two-side light emitting electrolyminescent element and two-side self-light-emitting information display element
JP2004055565A (en) * 2002-07-23 2004-02-19 Samsung Nec Mobile Display Co Ltd Dual type organic electroluminescence display, and method for manufacturing the same
CN1496199A (en) * 2002-09-19 2004-05-12 �����ձ������ƶ���ʾ��ʽ���� Two-type organic electroluminescent display and its mfg. method
CN1753053A (en) * 2004-09-24 2006-03-29 日本东北先锋公司 Electronic apparatus, double-sided display panel and method of manufacturing the double-sided display panel

Also Published As

Publication number Publication date
CN1784134A (en) 2006-06-07

Similar Documents

Publication Publication Date Title
KR101254079B1 (en) Display device and electronic device
CN108520888B (en) Display screen and display device thereof
CN1835056B (en) Electrical appliance
EP3951882A1 (en) Display panel and display apparatus
KR101234000B1 (en) Display device
US6346430B1 (en) Packaged integrated processor and spatial light modulator
JP5364227B2 (en) Display device with reading function and electronic device using the same
RU2697478C2 (en) Liquid crystal display panel, terminal and photographic recording control method
CN110034154B (en) Display device and augmented reality viewing device using the same
US6605902B2 (en) Display and electronic device
US11727849B2 (en) Display panel and display apparatus
KR20100083756A (en) Liquid crystal display device and method of driving a liquid crystal display device
CN112037704B (en) Display panel and electronic device
CN111833754B (en) Display panel and display device
JP6014235B2 (en) Driving method of display device
CN111489681A (en) Display panel and electronic device
CN114242759B (en) Display panel and display device
EP3816981A1 (en) Display panel
CN100593182C (en) Display device and electronic device
US10771157B2 (en) Mobile terminal and method for receiving and sending a LIFI signal thereof
KR101658671B1 (en) Display unit
CN111179864B (en) Pixel driving circuit, driving method thereof, display device and electronic equipment
CN114050177A (en) Display panel and display device
US11587965B2 (en) Display panel and manufacturing method thereof, display device and operation method thereof
JP5062990B2 (en) Display device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100303

Termination date: 20211118

CF01 Termination of patent right due to non-payment of annual fee