CN105807513A - Double-side display panel, making method thereof and double-side display device - Google Patents
Double-side display panel, making method thereof and double-side display device Download PDFInfo
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- CN105807513A CN105807513A CN201610371635.1A CN201610371635A CN105807513A CN 105807513 A CN105807513 A CN 105807513A CN 201610371635 A CN201610371635 A CN 201610371635A CN 105807513 A CN105807513 A CN 105807513A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
Abstract
The invention discloses a double-side display panel, a making method thereof and a double-side display device, relates to the technical field of display and aims at lowering power consumption of the double-side display device. The double-side display panel comprises multiple pixels in array arrangement, each pixel comprises a colored display pixel and a monochrome display pixel, and each colored display pixel comprises a colored side reflection layer, a colored side loading electrode, a colored side organic functional layer and a colored side transparent electrode which are sequentially stacked, and further comprises a colored film layer positioned on one side, opposite to the colored side organic functional layer, of the colored side transparent electrode; each monochrome display pixel comprises a monochrome side transparent electrode, a monochrome side organic functional layer and a monochrome side loading electrode which are sequentially stacked, and further comprises a monochrome side reflection layer positioned on one side, opposite to the monochrome side organic functional layer, of the monochrome side loading electrode, the colored side reflection layer and the monochrome side reflection layer are arranged oppositely, and an orthographic projection of the colored side reflection layer on the monochrome side reflection layer is not coincident with the monochrome side reflection layer.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of double face display panel and preparation method thereof, double-side display device.
Background technology
At present, display device on market is shown as main with one side mostly, but in many occasions, such as in communications industry, government's window, financial industry, transportation industry, service trade etc., generally require the tow sides making display device and all can show picture, enable one to the tow sides at display device and all can obtain information.
Patch is usually formed by current double-side display device by two one side display floaters, such as, adopt two one side liquid crystal (LiquidCrystal, be called for short LC) panel to patch formed, or, adopt two OLED (OrganicLight-EmittingDiode, Organic Light Emitting Diode) display floater to patch formed, or, adopt an one side liquid crystal panel and an OLED display panel that patch is formed, adopt in the double-side display device formed in this way, two one side display floaters are usually color display panel, light in one side display floater all needs through color rete, light extraction efficiency reduces, when one of them color display panel needing double-side display device shows black and white screen, the power consumption of double-side display device is bigger.
Summary of the invention
It is an object of the invention to provide a kind of double face display panel and preparation method thereof, double-side display device, for reducing the power consumption of double-side display device.
To achieve these goals, the present invention provides following technical scheme:
A first aspect of the present invention provides a kind of double face display panel, and including the multiple pixels being arranged in array, each described pixel includes color display pixel and white and black displays pixel, wherein,
Described color display pixel includes: the colored lateral reflection layer being cascading, colored side load electrode, colored side organic function layer and colored side transparency electrode, and are positioned at the color rete of the described colored side transparency electrode side of described colored side organic function layer dorsad；
Described white and black displays pixel includes: black and white side transparency electrode, black and white side organic function layer and the black and white side being cascading loads electrode, and is positioned at the black and white lateral reflection layer of the loading electrode side of described black and white side organic function layer dorsad, described black and white side；
Described colored lateral reflection layer is oppositely arranged with described black and white lateral reflection layer, and described colored lateral reflection layer orthographic projection on described black and white lateral reflection layer is misaligned with described black and white lateral reflection layer.
Based on the technical scheme of above-mentioned double face display panel, a second aspect of the present invention provides a kind of double-side display device, and described double-side display device is provided with the double face display panel as described in technique scheme.
Based on the technical scheme of above-mentioned double face display panel, a third aspect of the present invention provides the manufacture method of a kind of double face display panel, and for making the double face display panel as described in technique scheme, the manufacture method of described double face display panel includes:
Step S100, the colored lateral reflection layer of formation color display pixel, colored side load electrode, colored side organic function layer, colored side transparency electrode, coloured silk rete, and the black and white side transparency electrode of white and black displays pixel, black and white side organic function layer, black and white side loading electrode and black and white lateral reflection layer, wherein, described colored lateral reflection layer, described colored side load electrode, described colored side organic function layer and described colored side transparency electrode and are cascading, and described color rete is positioned at the side of described colored side transparency electrode described colored side organic function layer dorsad；Described black and white side transparency electrode, described black and white side organic function layer and described black and white side load electrode and are cascading, and described black and white lateral reflection layer is positioned at described black and white side and loads the side of electrode described black and white side organic function layer dorsad；Described colored lateral reflection layer is oppositely arranged with described black and white lateral reflection layer, and the orthographic projection that described colored lateral reflection layer is on the organic function layer of described colored side is misaligned with the orthographic projection on the organic function layer of described colored side of the described black and white lateral reflection layer.
Double face display panel provided by the invention includes the multiple pixels being arranged in array, each pixel includes color display pixel and white and black displays pixel, the colored lateral reflection layer of color display pixel and the black and white lateral reflection layer of white and black displays pixel are oppositely arranged, thus the direction of the light appeared through color display pixel and the light appeared through white and black displays pixel is in opposite direction, it is achieved all can show picture in the both sides of double face display panel；Color display pixel includes color rete, that is, color display pixel can realize colored display, white and black displays pixel does not include color rete, that is, white and black displays pixel can realize white and black displays, black and white screen can be displayed by the side of the exiting surface of the white and black displays pixel of above-mentioned double face display panel, owing to white and black displays pixel does not include color rete, thus the loss of the light that black and white side organic function layer sends can be reduced, thus under less electricity, just high brightness can be realized in the side of the exiting surface of white and black displays pixel, the display of high contrast, the electricity conversion of double face display panel is higher, compared with in prior art, two one side display floaters of double-side display device are color display panel, the power consumption of double-side display device can be reduced.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of a kind of double face display panel that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the another kind of double face display panel that Fig. 2 provides for the embodiment of the present invention；
The structural representation of another double face display panel that Fig. 3 provides for the embodiment of the present invention；
The flow chart of the manufacture method of a kind of double face display panel that Fig. 4 provides for the embodiment of the present invention；
The flow chart of the manufacture method of the another kind of double face display panel that Fig. 5 provides for the embodiment of the present invention.
Accompanying drawing labelling:
10-the first transparency carrier, 20-the second transparency carrier,
30-color display pixel, 31-colour lateral reflection layer,
32-colour side loading electrode, 33-colour side organic function layer,
34-colour side transparency electrode, 35-coloured silk rete,
41-R sub-pixel, 42-the first reflecting layer,
43-first loads electrode, the color rete of 44-first,
51-G sub-pixel, 52-the second reflecting layer,
53-second loads electrode, the color rete of 54-second,
61-B sub-pixel, 62-the 3rd reflecting layer,
63-the 3rd loads electrode, the color rete of 64-the 3rd,
70-white and black displays pixel, 71-black and white side transparency electrode,
72-black and white side organic function layer, 73-black and white side loads electrode,
74-black and white lateral reflection layer, the public organic function layer of 80-,
90-common transparent electrode.
Detailed description of the invention
In order to further illustrate double face display panel of embodiment of the present invention offer and preparation method thereof, double-side display device, it is described in detail below in conjunction with Figure of description.
Refer to Fig. 1, the double face display panel that the embodiment of the present invention provides includes the multiple pixels being arranged in array, each pixel includes color display pixel 30 and white and black displays pixel 70, wherein, color display pixel 30 includes: the colored lateral reflection layer 31 being cascading, colored side load electrode 32, colored side organic function layer 33 and colored side transparency electrode 34, and are positioned at the color rete 35 of colored side transparency electrode 34 side of colored side organic function layer 33 dorsad；White and black displays pixel 70 includes: black and white side transparency electrode 71, black and white side organic function layer 72 and the black and white side being cascading loads electrode 73, and is positioned at the black and white lateral reflection layer 74 that black and white side loads the side of electrode 73 black and white side organic function layer 72 dorsad；Colored lateral reflection layer 31 is oppositely arranged with black and white lateral reflection layer 74, and the colored lateral reflection layer 31 orthographic projection on black and white lateral reflection layer 74 is misaligned with black and white lateral reflection layer 74.
For example, the double face display panel that the embodiment of the present invention provides includes the multiple pixels being arranged in array, Fig. 1 illustrates the structural representation of a pixel, each pixel includes color display pixel 30 and white and black displays pixel 70, wherein, in Fig. 1 from the bottom to top, color display pixel 30 includes colored lateral reflection layer 31, colored side loading electrode 32, colored side organic function layer 33, colored side transparency electrode 34 and color rete 35, and colored lateral reflection layer 31, colour side load electrode 32, colored side organic function layer 33 and colored side transparency electrode 34 and be cascading；In Fig. 1 from the bottom to top, white and black displays pixel 70 includes black and white side transparency electrode 71, black and white side organic function layer 72, black and white side loading electrode 73 and black and white lateral reflection layer 74, and black and white side transparency electrode 71, black and white side organic function layer 72 and black and white side load electrode 73 and be cascading；Colored lateral reflection layer 31 is arranged in the bottom of Fig. 1, black and white lateral reflection layer 74 is arranged in the top of Fig. 1, and the colour lateral reflection layer 31 orthographic projection on black and white lateral reflection layer 74 is misaligned with black and white lateral reflection layer 74, namely colored lateral reflection layer 31 is oppositely arranged with black and white lateral reflection layer 74, the light appeared through color display pixel 30 is penetrated by the top in Fig. 1, the light appeared through white and black displays pixel 70 is penetrated by the lower section in Fig. 1, colored lateral reflection layer 31 does not block the light appeared through white and black displays pixel 70, and black and white lateral reflection layer 74 does not block the light appeared through color display pixel 30.
nullWhen above-mentioned double face display panel works，A voltage difference is applied between electrode 32 and colored side transparency electrode 34 by loading in colored side，Excite colored side organic function layer 33，Make colored side organic function layer 33 luminous，In the light that colored side organic function layer 33 sends，A part of light penetrates towards the top of Fig. 1 with color rete 35 through colored side transparency electrode 34 successively，Another part light is incident to colored side and loads in electrode 32，Transmission in electrode 32 is loaded in colored side，And reflect towards the surface of colored side organic function layer 33 at colored lateral reflection layer 31，Then electrode 32 is loaded through colored side successively、Colored side organic function layer 33、Colored side transparency electrode 34 penetrates towards the top of Fig. 1 with color rete 35，Or，Another part light reflects towards the surface of colored side organic function layer 33 at colored side loading electrode 32，Then successively through colored side organic function layer 33、Colored side transparency electrode 34 penetrates towards the top of Fig. 1 with color rete 35，The light that organic function layer 33 sends is after color rete 35，Obtain the light of required color，Namely the light penetrated towards the top of Fig. 1 through color display pixel 30 is colourama，So that the colour picture displayed above of double face display panel，The implemented above colored display of bi-directional display panel.
nullA voltage difference is applied between electrode 73 and black and white side transparency electrode 71 by loading in black and white side，Excite black and white side organic function layer 72，Make black and white side organic function layer 72 luminous，In the light that black and white side organic function layer 72 sends，A part of light penetrates towards the lower section of Fig. 1 through black and white side transparency electrode 71，Another part light is incident to black and white side and loads in electrode 73，Electrode 73 is loaded through black and white side，And reflect on the surface of black and white side organic function layer 72 at black and white lateral reflection layer 74，Then electrode 73 is loaded through black and white side successively、Black and white side organic function layer 72 and black and white side transparency electrode 71 penetrate towards the lower section of Fig. 1，Or，Another part light reflects towards the surface of black and white side organic function layer 72 at black and white side loading electrode 73，Then penetrate towards the lower section of Fig. 1 through black and white side organic function layer 72 and black and white side transparency electrode 71 successively，Owing to the light penetrated through white and black displays pixel 70 is without color film，Thus the light penetrated through white and black displays pixel 70 is white light，So that the black and white screen displayed below of double face display panel，The lower section of bi-directional display panel realizes white and black displays.
Such as, when above-mentioned double face display panel is applied to the mobile terminal such as mobile phone, panel computer, when needs utilize mobile terminal to check the colour picture such as colour picture, color video, the side of the exiting surface that then can pass through color display pixel 30 shows, namely by the upside display colour picture of double face display panel in Fig. 1, when needs utilize mobile terminal to check the black and white screens such as black and white word, black and white picture, black and white video, then the side of the exiting surface that can pass through white and black displays pixel 70 shows.
From the above, the double face display panel that the embodiment of the present invention provides includes the multiple pixels being arranged in array, each pixel includes color display pixel 30 and white and black displays pixel 70, the colored lateral reflection layer 31 of color display pixel 30 is oppositely arranged with the black and white lateral reflection layer 74 of white and black displays pixel 70, thus the direction of the light appeared through color display pixel 30 and the light appeared through white and black displays pixel 70 is in opposite direction, it is achieved all can show picture in the both sides of double face display panel；nullColor display pixel 30 includes color rete 35，That is，Color display pixel 30 can realize colored display，White and black displays pixel 70 does not include color rete，That is，White and black displays pixel 70 can realize white and black displays，Black and white screen can be displayed by the side of the exiting surface of the white and black displays pixel 70 of above-mentioned double face display panel，Owing to white and black displays pixel 70 does not include color rete，Thus the loss of the light that black and white side organic function layer 72 sends can be reduced，Thus under less electricity，Just high brightness can be realized in the side of the exiting surface of white and black displays pixel 70、The display of high contrast，The electricity conversion of double face display panel is higher，Compared with in prior art, two one side display floaters of double-side display device are color display panel，The power consumption of double-side display device can be reduced.
Additionally, the side of the double face display panel that the embodiment of the present invention provides can show that colour picture, opposite side can show black and white picture, when needs show colour picture, then shown by the side of the exiting surface of the color display pixel 30 of double face display panel, when needs show black and white picture, then shown by the side of the exiting surface of the white and black displays pixel 70 of double face display panel, so that double face display panel has the preferably suitability.
Furthermore, in the double face display panel that the embodiment of the present invention provides, by the both sides at colored side organic function layer 33 or/and the both sides on-load voltage of black and white side organic function layer 72 is poor, excite colored side organic function layer 33 or/and black and white side organic function layer 72, make colored side organic function layer 33 or/and black and white side organic function layer 72 is luminous, i.e. color display pixel 30 and white and black displays pixel 70 respectively OLED, and color display pixel 30 and white and black displays pixel 70 can be produced between two transparency carriers simultaneously, compared with adopting two one side display floaters with double-side display device in prior art, simplify the structure of double-side display device, and simplify the processing technology of double-side display device, reduce the manufacture difficulty of double-side display device.
It is worth mentioning that, when the double face display panel that the embodiment of the present invention provides is applied to hands machine, during the mobile terminals such as panel computer, when the electricity of mobile terminal is relatively low, still can check black and white word by the side of the exiting surface of the white and black displays pixel 70 of double face display panel, black and white picture, the black and white screens such as black and white video, such as note, therefore, compared with in prior art, two one side display floaters of double-side display device are color display panel, it is possible to prevent to cause that user cannot check black and white screen because the electricity of mobile terminal is relatively low, prevent the work to user and life from bringing inconvenience.
In above-described embodiment, colored side organic function layer 33 can include the hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and the electron injecting layer that are cascading, and black and white side organic function layer 72 can include the hole injection layer, hole transmission layer, luminescent layer, electron transfer layer and the electron injecting layer that are cascading.
Referring to Fig. 2 or Fig. 3, in embodiments of the present invention, color display pixel 30 includes R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61；Colored side loads electrode 32 and includes: first corresponding with R sub-pixel 41 loads electrode 43, second corresponding with G sub-pixel 51 loads electrode 53, and the threeth loading electrode 63 corresponding with B sub-pixel 61, first loads electrode the 43, second loading electrode 53 does not connect mutually with the 3rd loading electrode 63；Color rete 35 includes: the color rete 44 of first corresponding with R sub-pixel 41, the color rete 54 of second corresponding with G sub-pixel 51, and the threeth color rete 64 corresponding with B sub-pixel 61.
When being embodied as, color display pixel 30 includes R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61, namely (Red is red for the color mode employing RGB of color display pixel 30, Green is green, Blue is blue) color mode, putting in order of R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61 can arrange according to actual needs, for instance, G sub-pixel 51 is between R sub-pixel 41 and B sub-pixel 61, and B sub-pixel 61 or B sub-pixel 61 are disposed adjacent with white and black displays pixel 70；Or, R sub-pixel 41 is between G sub-pixel 51 and B sub-pixel 61, and B sub-pixel 61 or G sub-pixel 51 are disposed adjacent with white and black displays pixel 70；Or, B sub-pixel 61 is between G sub-pixel 51 and R sub-pixel 41, and R sub-pixel 41 or G sub-pixel 51 are disposed adjacent with white and black displays pixel 70.
As shown in Figure 2 or Figure 3, from the bottom to top, R sub-pixel 41 includes colored lateral reflection layer 31, first and loads electrode 43, colored side organic function layer 33, color projection electrode 34 and the first color rete 44, and the light that colored side organic function layer 33 sends, after the first color rete 44, forms red light；As shown in Figure 2 or Figure 3, from the bottom to top, G sub-pixel 51 includes colored lateral reflection layer 31, second and loads electrode 53, colored side organic function layer 33, color projection electrode 34 and the second color rete 54, and the light that colored side organic function layer 33 sends, after the second color rete 54, forms green light；As shown in Figure 2 or Figure 3, from the bottom to top, B sub-pixel 61 includes colored lateral reflection layer the 31, the 3rd and loads electrode 63, colored side organic function layer 33, color projection electrode 34 and the 3rd color rete 64, and the light that colored side organic function layer 33 sends, after the 3rd color rete 64, forms blue light.By regulating the voltage difference being carried between the first loading electrode 43 and colored side transparency electrode 34, regulate the voltage difference being carried between the second loading electrode 53 and colored side transparency electrode 34, regulate the voltage difference being carried between the 3rd loading electrode 63 and colored side transparency electrode 34, the intensity of the light penetrated through the first color rete 44 is regulated with correspondence respectively, intensity through the intensity of light of the second color rete 54 injection and light through the 3rd color rete 64 injection, namely correspondence regulates red light respectively, the intensity of green light and blue light, and then adjustment red light, the color of the light formed after green light and blue light colour mixture, color display pixel 30 is made to show different colors.
In above-described embodiment, first loads electrode the 43, second loading electrode 53 does not connect mutually with the 3rd loading electrode 63, can realize respectively the intensity of the light penetrated through R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61 being adjusted, realize making color display pixel 30 penetrate the light of different colours, improve the rich of color shown by double face display panel.
The first color rete 54 of color rete 44, second and the 3rd coloured silk rete 64 can be separated by black matrix, to prevent from producing interference between the light of R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61 injection, thus improving the purity of the light penetrated through color display pixel 30.
In the above-described embodiments, in color display pixel 30, colored lateral reflection layer 31 can be insulative reflective layer, namely colored lateral reflection layer 31 is non-conductive, now, R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61 can share colored lateral reflection layer 31, and namely colored lateral reflection layer 31 covers the region of the region of R sub-pixel 41, the region of G sub-pixel 51 and B sub-pixel 61 simultaneously.
In embodiments of the present invention, please continue to refer to Fig. 2 or Fig. 3, colored lateral reflection layer 31 includes: first reflecting layer 42 corresponding with R sub-pixel 41, second reflecting layer 52 corresponding with G sub-pixel 51, and threeth reflecting layer 62 corresponding with B sub-pixel 61；First the 42, second reflecting layer, reflecting layer 52 and the 3rd reflecting layer 62 are conductive reflective, and the 42, second reflecting layer 52, the first reflecting layer does not connect mutually with the 3rd reflecting layer 62.First the 42, second reflecting layer, reflecting layer 52 and the 3rd reflecting layer 62 are disposed as conductive reflective; first the 42, second reflecting layer, reflecting layer 52 and the 3rd reflecting layer 62 are while reflection light; can function as electrode; namely the first reflecting layer 42 and the first loading electrode 43 are collectively forming an electrode of R sub-pixel 41; to improve the stability of the voltage on the both sides being carried in colored side organic function layer 33, load electrode 43 to first simultaneously and protect；Second reflecting layer 52 and the second loading electrode 53 are collectively forming an electrode of G sub-pixel 51, to improve the stability of the voltage on the both sides being carried in colored side organic function layer 33, load electrode 53 to second simultaneously and protect；3rd reflecting layer 62 and the 3rd loading electrode 63 are collectively forming an electrode of B sub-pixel 61, to improve the stability of the voltage on the both sides being carried in colored side organic function layer 33, load electrode 63 to the 3rd simultaneously and protect.
Please continue to refer to Fig. 2 or Fig. 3, first loads electrode 43, second loads electrode the 53, the 3rd loading electrode 63 and black and white side transparency electrode 71 with layer setting.It is so designed that, when making above-mentioned double face display panel, first loading electrode 43, second loads electrode the 53, the 3rd loading electrode 63 and black and white side transparency electrode 71 can be passed through a patterning processes and be formed, thus decreasing the usage quantity of processing step and the mask plate making double face display panel, save the time making double face display panel, and provide cost savings.
In above-described embodiment, first load the thickness of electrode 43, second load the thickness of electrode 53, the 3rd thickness loading the thickness of electrode 63 and black and white side transparency electrode 71 can be identical, it is also possible to all differs.In the present embodiment, please continue to refer to Fig. 3, first loads the thickness of electrode 43, the second loading thickness of electrode 53, the thickness of the 3rd loading electrode 63 and the thickness of black and white side transparency electrode 71 all differs.
The first thickness then spectral signature according to the light (i.e. HONGGUANG) penetrated through R sub-pixel 41 loading electrode 43 is determined, so that the microcavity in R sub-pixel 41 has suitable chamber length and has preferably microcavity effect to improve when colored side organic function layer 33 is propagated in R sub-pixel 41, conveniently obtain the red spectrum narrowed, improve through R sub-pixel 41 injection light go out light intensity and luminous efficiency, improve the colour purity of light through R sub-pixel 41 injection.
The second thickness then spectral signature according to the light (i.e. green glow) penetrated through G sub-pixel 51 loading electrode 53 is determined, so that the microcavity in G sub-pixel 51 has suitable chamber length and has preferably microcavity effect to improve when colored side organic function layer 33 is propagated in G sub-pixel 51, conveniently obtain the red spectrum narrowed, improve through G sub-pixel 51 injection light go out light intensity and luminous efficiency, improve the colour purity of light through G sub-pixel 51 injection.
The 3rd thickness then spectral signature according to the light (i.e. blue light) penetrated through B sub-pixel 51 loading electrode 53 is determined, so that the microcavity in B sub-pixel 51 has suitable chamber length and has preferably microcavity effect to improve when colored side organic function layer 33 is propagated in B sub-pixel 51, conveniently obtain the red spectrum narrowed, improve through B sub-pixel 51 injection light go out light intensity and luminous efficiency, improve the colour purity of light through B sub-pixel 51 injection.
Please continue to refer to Fig. 2 or Fig. 3, in embodiments of the present invention, colored side transparency electrode 34 and black and white side load electrode 73 and share a common transparent electrode 90, namely, as shown in Figure 1 or 2, in double face display panel in embodiments of the present invention, each pixel includes a common transparent electrode 90, common transparent electrode 90 includes: the colored side transparency electrode 34 corresponding with color display pixel 30, and the black and white side corresponding with white and black displays pixel 70 loads electrode 73.It is so designed that, when making above-mentioned double face display panel, colored side transparency electrode 34 and black and white side load electrode 73 can pass through a patterning processes formation, that is, form common transparent electrode 90 by a patterning processes, namely complete colored side transparency electrode 34 and the formation of black and white side loading electrode 73, decrease the usage quantity of processing step and the mask plate making double face display panel, save the time making double face display panel, and provide cost savings.
In above-described embodiment, common transparent electrode 90 can be metal electrode, such as, Al electrode, Cu electrode or Ag electrode etc., now, common transparent electrode 90 can as negative electrode, namely colored side transparency electrode 34 is as the negative electrode in color display pixel 30, colored side loads electrode 32 as the anode in color display pixel 30, and black and white side loads the electrode 73 negative electrode as white and black displays pixel 70, and black and white side transparency electrode 71 is as the anode of white and black displays pixel 70.
Common transparent electrode 90 is metal electrode, when the light that colored side organic function layer 33 or black and white side organic function layer 72 send is through common transparent electrode 90, it is incident in the light in common transparent electrode 90, transmission is there is in a part of light in common transparent electrode 90, this part light transmission common transparent electrode 90 i.e., another part light then reflects in common transparent electrode 90, the light that colored side organic function layer 33 or black and white side organic function layer 72 send is through multiple reflections, the light intensity that can make the light of injection double face display panel strengthens, that improves double face display panel goes out light intensity and luminous efficiency.
Common transparent electrode 90 can also be conducting oxide electrode, such as, ITO (indium tin oxide) electrode or IZO (indium-zinc oxide) electrode etc., now, common transparent electrode 90 can as anode, namely colored side transparency electrode 34 is as the anode in color display pixel 30, colored side loads electrode 32 as the negative electrode in color display pixel 30, black and white side loads the electrode 73 anode as white and black displays pixel 70, and black and white side transparency electrode 71 is as the negative electrode of white and black displays pixel 70.
Please continue to refer to Fig. 2 or Fig. 3, in embodiments of the present invention, colored side organic function layer 33 and black and white side organic function layer 72 share a public organic function layer 80, namely, as shown in Figure 1 or 2, in double face display panel in embodiments of the present invention, each pixel includes a public organic function layer 80, public organic function layer 80 includes: the colored side organic function layer 33 corresponding with color display pixel 30, and the black and white side organic function layer 72 corresponding with white and black displays pixel 70.It is so designed that, when making above-mentioned double face display panel, colored side organic function layer 33 and black and white side organic function layer 72 can pass through a patterning processes and be formed, that is, form public organic function layer 80 by a patterning processes, namely complete the formation of colored side organic function layer 33 and black and white side organic function layer 72, decrease the usage quantity of processing step and the mask plate making double face display panel, save the time making double face display panel, and provide cost savings.
Please continue to refer to Fig. 1, Fig. 2 or Fig. 3, the double face display panel that the embodiment of the present invention provides includes the first transparency carrier 10 and the second transparency carrier 20 being oppositely arranged, colored lateral reflection layer 31 is arranged on the first transparency carrier 10, and color rete 35 and black and white lateral reflection layer 74 are separately positioned on the second transparency carrier 20.
When being embodied as, please continue to refer to Fig. 1, Fig. 2 or Fig. 3, the double face display panel that the embodiment of the present invention provides includes: the first transparency carrier 10, the second transparency carrier 20 being oppositely arranged with the first transparency carrier 10, and the multiple pixels between the first transparency carrier 10 and the second transparency carrier 20, multiple pixels are arranged in array, and each pixel includes color display pixel 30 and white and black displays pixel 70, and color display pixel 30 includes R sub-pixel 41, G sub-pixel 51 and B sub-pixel 61.
The direction of the second transparency carrier 20 is pointed to along the first transparency carrier 10, R sub-pixel 41 includes the first reflecting layer 42, first and loads electrode 43, public organic function layer 80, common transparent electrode 90 and the first color rete 44, first reflecting layer 42, first loads electrode 43, public organic function layer 80 and common transparent electrode 90 and is cascading, first reflecting layer 42 is positioned at the first transparency carrier 10 on the side of the second transparency carrier 20, and the first color rete 44 is positioned at the second Transparent Parts 20 on the side of the first transparency carrier 10.
The direction of the second transparency carrier 20 is pointed to along the first transparency carrier 10, G sub-pixel 51 includes the second reflecting layer 52, second and loads electrode 53, public organic function layer 80, common transparent electrode 90 and the second color rete 54, second reflecting layer 52, second loads electrode 53, public organic function layer 80 and common transparent electrode 90 and is cascading, second reflecting layer 52 is positioned at the first transparency carrier 10 on the side of the second transparency carrier 20, and the second color rete 54 is positioned at the second Transparent Parts 20 on the side of the first transparency carrier 10.
The direction of the second transparency carrier 20 is pointed to along the first transparency carrier 10, B sub-pixel 61 includes the 3rd reflecting layer the 62, the 3rd and loads electrode 63, public organic function layer 80, common transparent electrode 90 and the 3rd color rete 64,3rd reflecting layer the 62, the 3rd loads electrode 63, public organic function layer 80 and common transparent electrode 90 and is cascading, 3rd reflecting layer 62 is positioned at the first transparency carrier 10 on the side of the second transparency carrier 20, and the 3rd color rete 64 is positioned at the second Transparent Parts 20 on the side of the first transparency carrier 10.
The direction of the second transparency carrier 20 is pointed to along the first transparency carrier 10, white and black displays pixel 70 includes black and white side transparency electrode 71, public organic function layer 80, common transparent electrode 90 and black and white emission layer 74, black and white side transparency electrode 71, public organic function layer 80 and common transparent electrode 90 are cascading, and black and white emission layer 74 is positioned at the second Transparent Parts 20 on the side of the first transparency carrier 10.
Color rete 35 and black and white lateral reflection layer 74 are separately positioned on the second transparency carrier 20 on the side of the first transparency carrier 10, compared with color rete 35 and black and white lateral reflection layer 74 are separately positioned on the side of common transparent electrode 90 public organic function layer 80 dorsad, it is possible to public organic function layer 80 and common transparent electrode 90 are had undesirable effect by the etching liquid that uses when preventing from being formed color rete 35 and black and white lateral reflection layer 74, cleanout fluid etc..
In above-described embodiment, black and white lateral reflection layer 74 can be metallic reflector, inorganic reflective layer or organic reflecting layer.
The embodiment of the present invention also provides for a kind of double-side display device, and described double-side display device is provided with the double face display panel as above-described embodiment provides.
Described double-side display device is identical relative to prior art have the advantage that with above-mentioned double face display panel, does not repeat them here.
Referring to Fig. 4, the embodiment of the present invention also provides for the manufacture method of a kind of double face display panel, and for making the double face display panel as described in above-described embodiment, the manufacture method of described double face display panel includes:
Step S100, the colored lateral reflection layer of formation color display pixel, colored side load electrode, colored side organic function layer, colored side transparency electrode, coloured silk rete, and the black and white side transparency electrode of white and black displays pixel, black and white side organic function layer, black and white side loading electrode and black and white lateral reflection layer, wherein, colored lateral reflection layer, colored side load electrode, colored side organic function layer and colored side transparency electrode and are cascading, and color rete is positioned at the side of colored side transparency electrode colored side organic function layer dorsad；Black and white side transparency electrode, black and white side organic function layer and black and white side load electrode and are cascading, and black and white lateral reflection layer is positioned at black and white side and loads the side of electrode black and white side organic function layer dorsad；Colored lateral reflection layer is oppositely arranged with black and white lateral reflection layer, and the orthographic projection that colored lateral reflection layer is on the organic function layer of colored side is misaligned with the orthographic projection on the organic function layer of colored side of the black and white lateral reflection layer.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is the difference with other embodiments.Especially for embodiment of the method, owing to it is substantially similar to product embodiments, so describing fairly simple, relevant part illustrates referring to the part of product embodiments.
Referring to Fig. 5, colored side transparency electrode and black and white side load electrode and share a common transparent electrode；Colored side organic function layer and black and white side organic function layer share a public organic function layer；
Step S100 includes:
Step S40, form public organic function layer；
Step S50, on public organic function layer formed common transparent electrode.
Please continue to refer to Fig. 5, color display pixel includes R sub-pixel, G sub-pixel and B sub-pixel, colored side loads electrode and includes: first corresponding with R sub-pixel loads electrode, second corresponding with G sub-pixel loads electrode, and the threeth loading electrode corresponding with B sub-pixel, first loading electrode, the second loading electrode and the 3rd load electrode and do not connect mutually, and first loads electrode, the second loading electrode, the 3rd loading electrode and black and white side transparency electrode with layer setting；
Before step S40, step S100 also includes:
Step S30, formation first load electrode, the second loading electrode, the 3rd loading electrode and black and white side transparency electrode, and first loads the thickness of electrode, the second loading thickness of electrode, the thickness of the 3rd loading electrode and the thickness of black and white side transparency electrode all differs.
Please continue to refer to Fig. 5, described double face display panel includes the first translucent display substrate, colored lateral reflection layer is arranged on the first transparency carrier, colored lateral reflection layer includes: first reflecting layer corresponding with R sub-pixel, second reflecting layer corresponding with G sub-pixel, and threeth reflecting layer corresponding with B sub-pixel；
Before step S30, step S100 also includes:
Step S10, offer one first transparency carrier；
Step S20, on the first transparency carrier, form the first reflecting layer, the second reflecting layer and the 3rd reflecting layer.
Please continue to refer to Fig. 5, described double face display panel also includes the second transparency carrier being oppositely arranged with the first transparency carrier, color rete and black and white lateral reflection layer are separately positioned on the second transparency carrier, color rete includes: the color rete of first corresponding with R sub-pixel, the color rete of second corresponding with G sub-pixel, and the threeth color rete corresponding with B sub-pixel；
Step S100 also includes:
Step S60, offer one second transparency carrier；
Step S70, at the second transparency carrier towards the side of the first transparency carrier is formed the first color rete, the second color rete and the 3rd color rete；
Step S80, at the second transparency carrier towards the side of the first transparency carrier is formed black and white lateral reflection layer.
In the description of above-mentioned embodiment, specific features, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (15)
1. a double face display panel, including the multiple pixels being arranged in array, it is characterised in that each described pixel includes color display pixel and white and black displays pixel, wherein,
Described color display pixel includes: the colored lateral reflection layer being cascading, colored side load electrode, colored side organic function layer and colored side transparency electrode, and are positioned at the color rete of the described colored side transparency electrode side of described colored side organic function layer dorsad；
Described white and black displays pixel includes: black and white side transparency electrode, black and white side organic function layer and the black and white side being cascading loads electrode, and is positioned at the black and white lateral reflection layer of the loading electrode side of described black and white side organic function layer dorsad, described black and white side；
Described colored lateral reflection layer is oppositely arranged with described black and white lateral reflection layer, and described colored lateral reflection layer orthographic projection on described black and white lateral reflection layer is misaligned with described black and white lateral reflection layer.
2. double face display panel according to claim 1, it is characterised in that described color display pixel includes R sub-pixel, G sub-pixel and B sub-pixel；
Described colored side loads electrode and includes: first corresponding with described R sub-pixel loads electrode, second corresponding with described G sub-pixel loads electrode, and the threeth loading electrode corresponding with described B sub-pixel, described first loading electrode, described second loading electrode load electrode with the described 3rd and do not connect mutually；
Described color rete includes: the color rete of first corresponding with described R sub-pixel, the color rete of second corresponding with described G sub-pixel, and the threeth color rete corresponding with described B sub-pixel.
3. double face display panel according to claim 2, it is characterized in that, described colored lateral reflection layer includes: first reflecting layer corresponding with described R sub-pixel, second reflecting layer corresponding with described G sub-pixel, and threeth reflecting layer corresponding with described B sub-pixel；
Described first reflecting layer, described second reflecting layer and described 3rd reflecting layer are conductive reflective, and described first reflecting layer, described second reflecting layer do not connect mutually with described 3rd reflecting layer.
4. double face display panel according to claim 2, it is characterised in that described first loads electrode, described second loading electrode, described 3rd loading electrode and described black and white side transparency electrode is arranged with layer.
5. double face display panel according to claim 4, it is characterised in that described first loads the thickness of electrode, the thickness of described second loading electrode, the described thickness of the 3rd loading electrode and the thickness of described black and white side transparency electrode all differs.
6. double face display panel according to claim 1, it is characterised in that described colored side transparency electrode and described black and white side load electrode and share a common transparent electrode.
7. double face display panel according to claim 6, it is characterised in that described common transparent electrode is metal electrode or conducting oxide electrode.
8. double face display panel according to claim 1, it is characterised in that described colored side organic function layer and described black and white side organic function layer share a public organic function layer.
9. double face display panel according to claim 1, it is characterized in that, described double face display panel includes the first transparency carrier and the second transparency carrier that are oppositely arranged, described colored lateral reflection layer is arranged on described first transparency carrier, and described color rete and described black and white lateral reflection layer are separately positioned on described second transparency carrier.
10. a double-side display device, it is characterised in that described double-side display device arranges described double face display panel arbitrary just like claim 1-9.
11. a manufacture method for double face display panel, for make as arbitrary in claim 1-9 as described in double face display panel, it is characterised in that the manufacture method of described double face display panel includes:
Step S100, the colored lateral reflection layer of formation color display pixel, colored side load electrode, colored side organic function layer, colored side transparency electrode, coloured silk rete, and the black and white side transparency electrode of white and black displays pixel, black and white side organic function layer, black and white side loading electrode and black and white lateral reflection layer, wherein, described colored lateral reflection layer, described colored side load electrode, described colored side organic function layer and described colored side transparency electrode and are cascading, and described color rete is positioned at the side of described colored side transparency electrode described colored side organic function layer dorsad；Described black and white side transparency electrode, described black and white side organic function layer and described black and white side load electrode and are cascading, and described black and white lateral reflection layer is positioned at described black and white side and loads the side of electrode described black and white side organic function layer dorsad；Described colored lateral reflection layer is oppositely arranged with described black and white lateral reflection layer, and the orthographic projection that described colored lateral reflection layer is on the organic function layer of described colored side is misaligned with the orthographic projection on the organic function layer of described colored side of the described black and white lateral reflection layer.
12. the manufacture method of double face display panel according to claim 11, it is characterised in that described colored side transparency electrode and described black and white side load electrode and share a common transparent electrode；Described colored side organic function layer and described black and white side organic function layer share a public organic function layer；
Described step S100 includes:
Step S40, form described public organic function layer；
Step S50, on described public organic function layer, form described common transparent electrode.
13. the manufacture method of double face display panel according to claim 12, it is characterized in that, described color display pixel includes R sub-pixel, G sub-pixel and B sub-pixel, described colored side loads electrode and includes: first corresponding with described R sub-pixel loads electrode, second corresponding with described G sub-pixel loads electrode, and the threeth loading electrode corresponding with described B sub-pixel, described first loads electrode, described second loads electrode does not connect mutually with described 3rd loading electrode, described first loads electrode, described second loads electrode, described 3rd loads electrode and described black and white side transparency electrode is arranged with layer；
Before described step S40, described step S100 also includes:
Step S30, formed and described first load electrode, described second load electrode, the described 3rd load electrode and described black and white side transparency electrode, described first load the thickness of electrode, described second load the thickness of electrode, the thickness of the described 3rd thickness and described black and white side transparency electrode loading electrode all differs.
14. the manufacture method of double face display panel according to claim 13, it is characterized in that, described double face display panel includes the first translucent display substrate, described colored lateral reflection layer is arranged on described first transparency carrier, described colored lateral reflection layer includes: first reflecting layer corresponding with described R sub-pixel, second reflecting layer corresponding with described G sub-pixel, and threeth reflecting layer corresponding with described B sub-pixel；
Before described step S30, described step S100 also includes:
First transparency carrier described in step S10, offer one；
Step S20, on described first transparency carrier, form described first reflecting layer, described second reflecting layer and described 3rd reflecting layer.
15. the manufacture method of double face display panel according to claim 14, it is characterized in that, described double face display panel also includes the second transparency carrier being oppositely arranged with described first transparency carrier, described color rete and described black and white lateral reflection layer are separately positioned on described second transparency carrier, described color rete includes: the color rete of first corresponding with described R sub-pixel, the color rete of second corresponding with described G sub-pixel, and the threeth color rete corresponding with described B sub-pixel；
Described step S100 also includes:
Second transparency carrier described in step S60, offer one；
Step S70, at described second transparency carrier towards the side of described first transparency carrier is formed the described first color rete, the described second color rete and the described 3rd color rete；
Step S80, on the side of described first transparency carrier, form described black and white lateral reflection layer at described second transparency carrier.
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