CN106444135A - Display screen, display device and display screen preparation method - Google Patents
Display screen, display device and display screen preparation method Download PDFInfo
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- CN106444135A CN106444135A CN201610860026.2A CN201610860026A CN106444135A CN 106444135 A CN106444135 A CN 106444135A CN 201610860026 A CN201610860026 A CN 201610860026A CN 106444135 A CN106444135 A CN 106444135A
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- material layer
- display screen
- specular
- reflective material
- display
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- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 117
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 238000005530 etching Methods 0.000 claims description 11
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 2
- 238000002310 reflectometry Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 40
- 239000004411 aluminium Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 12
- 239000012528 membrane Substances 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910001361 White metal Inorganic materials 0.000 description 7
- 239000010969 white metal Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005401 electroluminescence Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- WABPQHHGFIMREM-OIOBTWANSA-N lead-204 Chemical compound [204Pb] WABPQHHGFIMREM-OIOBTWANSA-N 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- -1 specifically Inorganic materials 0.000 description 1
Classifications
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
-
- 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
- H10K59/40—OLEDs integrated with touch screens
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a display screen, a display device and a display screen preparation method, wherein the display screen comprises a display panel, and the display panel comprises a plurality of pixel units; the cover plate is positioned on the light emitting side of the display panel and is arranged opposite to the display panel; a specular reflection material layer located between the display panel and the cover plate; the specular reflection material layer is made of metal and is provided with a plurality of openings, each pixel unit corresponds to at least one opening, and the area of each opening is smaller than that of each pixel unit. According to the display screen, the display device and the preparation method of the display screen, the specular reflection material layer is arranged between the display panel and the cover plate, the specular reflection material layer is made of metal and is provided with the plurality of openings, so that the service lives of the display screen and the display device can be prolonged, and meanwhile, the adjustment of reflectivity and transmittance can be realized by adjusting the number of the openings.
Description
Technical field
The present invention relates to display technology field, and in particular to a kind of display screen, display device and display screen preparation method.
Background technology
With the fast development of Display Technique, display screen, the function of display device have been no longer limited to show, for example,
Touch function, mirror face function.Wherein, with mirror face function display screen or display device can be used as the cosmetic in daily life
Arrangement mirror in mirror, bedroom or parlor etc..
At present, the display screen with mirror face function be by by reflection polarizing film (Dual Brightness
Enhancement Film, DBEF) it is attached at LCDs (thin film transistor-liquid crystal
Display, TFT-LCD) or organic light emitting display (organic light emitting display, OLED) appearance
Face so that display screen has the same reflection function of mirror in black state；When display screen normal work, minute surface still has mirror
Face reflection function, and normally can show.
However, reflection polarizing film is expensive, and reflectance and transmitance are difficult to adjust；Membrane material is easily scratched, service life
Short.
Content of the invention
In view of this, the embodiment of the present invention provides a kind of display screen, display device and display screen preparation method, to improve
The service life of display screen, display device with mirror face function, it is possible to designed by simple regulative mode and have not
With reflectance and the display screen of transmitance.
First, a kind of display screen is embodiments provided, and the display screen includes display floater, the display floater
Including multiple pixel cells；Go out the cover plate of the side of light positioned at the display floater, the cover plate is relative with the display floater
Arrange；Specular reflective material layer, between the display floater and the cover plate.Wherein, the specular reflective material layer is
Metal, and the specular layer has multiple openings, each pixel cell is corresponded to described at least one and is open, and described
The area of opening is less than the area of the pixel cell.
Secondly, a kind of display device is embodiments provided, including right display screen as above.
Additionally, the embodiment of the present invention additionally provides a kind of preparation method of display screen：One display floater, the display are provided
Panel includes multiple pixel cells；Specular reflective material layer, the direct reflection material are formed in the light emission side of the display floater
The bed of material is metal, and the specular reflective material layer forms multiple openings by etching, and each pixel cell is corresponded at least
One opening, and the area of the opening is less than the area of the pixel cell；One cover plate is provided；The cover plate with described
The light emission side of display floater is oppositely arranged.
Finally, the embodiment of the present invention additionally provides the preparation method of another kind of display screen：One display floater is provided, described aobvious
Show that panel includes multiple pixel cells；One cover plate is provided；Specular reflective material layer, the minute surface are formed in the side of the cover plate
Layer of reflective material is metal, and the specular reflective material layer forms multiple openings, each pixel cell pair by etching
Answer described at least one and be open, and the area of the opening is less than the area of the pixel cell；The cover plate is provided with described
The side of specular reflective material layer is oppositely arranged with the light emission side of the display floater.
Based on technique scheme, the preparation side of display screen provided in an embodiment of the present invention, display device and display screen
Method, specular reflective material layer is arranged between display floater and cover plate, it is to avoid scratch specular reflective material in use
Layer, so as to improve the service life of display screen, display device.Additionally, display screen provided in an embodiment of the present invention, display device with
And the preparation method of display screen, specular reflective material layer is metal, and with multiple openings, therefore, by adjusting the number being open
Amount can adjust the reflective surface area of specular reflective material layer, so as to designing the display screen of different reflectivity and transmitance, showing dress
Put.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of display screen provided in an embodiment of the present invention；
Fig. 2 is the structural representation of specular reflective material layer in Fig. 1；
Fig. 3 is a kind of cross-sectional view of display screen provided in an embodiment of the present invention；
Fig. 4 is the cross-sectional view of another kind display screen provided in an embodiment of the present invention；
Fig. 5 is a kind of overlooking the structure diagram of display screen provided in an embodiment of the present invention；
Fig. 6 is the overlooking the structure diagram of another kind display screen provided in an embodiment of the present invention；
Fig. 7 is a kind of preparation method of display screen provided in an embodiment of the present invention；
Fig. 8 is the preparation method of another kind display screen provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, as which corresponds to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
Bright.
For convenience of explanation, the opening in accompanying drawing of the present invention is circle, but it will be understood by those skilled in the art that
Opening is not limited to circle, can also be other shapes, for example, ellipse, rectangle, polygon or irregular figure
Deng.
Refer to the structural representation that Fig. 1, Fig. 1 are display screen provided in an embodiment of the present invention.As shown in figure 1, display screen
Including display floater 10, the cover plate 30 of the side for going out light positioned at display floater 10 and Wei Yu display floater 10 and cover plate 30 between
Specular reflective material layer 20.Wherein, display floater 10 includes multiple pixel cells 106, pixel cell 106 be by a plurality of mutually
Insulation, the definition of 102 data line of scan line 104 arranged in a crossed manner are formed；Cover plate 30 is oppositely arranged with display floater 10；Minute surface is anti-
Material layer 20 is penetrated for metal.Refer to display floater 10 for the one of display it should be noted that display floater 10 goes out the side of light
Side.
Specifically, please continue to refer to the structural representation that Fig. 2, Fig. 2 are specular reflective material layer in Fig. 1.In conjunction with Fig. 1 and Tu
2, specular layer 20 is with multiple openings 202, each pixel cell 106' correspondence at least one opening 202, and opening 202
Area of the area less than pixel cell 106'.It should be noted that the 102 data line 104 of scan line in display floater 10 exists
The upright projection of specular layer 20 is scan line 102' data line 104', the hanging down in specular layer 20 of pixel cell 106
Pixel cell 106' is directly projected as.
In the display screen that above-described embodiment is provided, specular reflective material layer 20 be arranged on display floater 10 and cover plate 30 it
Between, it is to avoid scratch specular reflective material layer in use, so as to improve the service life of display screen.Additionally, direct reflection
Material layer 20 is metal, and with multiple openings 202, therefore, can adjust direct reflection material by the quantity for adjusting opening 202
The reflective surface area of the bed of material 20, so as to design the display screen of different reflectivity and transmitance.
Alternatively, the specular reflective material layer 20 is white metal.White metal is that in metal, reflectance is higher
Metalloid, specifically, white metal is more than or equal to 50% for the reflectance of light.Therefore, minute surface is made using white metal
Layer of reflective material 20 can improve the reflectance of display screen, enable to reflectance of the display screen in black state with mirror more adjunction
Closely.Wherein, white metal can be silver, aluminum, copper, gold, chromium, ferrum, nickel.
Further, specular reflective material layer 20 is silver or aluminum.In white metal, silver reflectance highest, aluminum anti-
Penetrate rate and silver is slightly less than, but the reflectance of silver and aluminum is higher than all 90%.
The embodiment of the present invention additionally provides a kind of position of the specular reflective material layer in display screen：Specular reflective material layer
Positioned at panel surface and with display floater directly contact.It is a kind of display provided in an embodiment of the present invention with reference to Fig. 3, Fig. 3
The cross-sectional view of screen.As shown in figure 3, display screen include display floater 10, specular reflective material layer 20, cover plate 30 and
The articulamentum 40 of connecting cover plate 30 and specular reflective material layer 20.Wherein, specular reflective material layer 20 is located at 10 table of display floater
Face and with 10 directly contact of display floater.Specifically, for display panels, display floater 10 includes array base palte
The sealed plastic box layer 10d of 10a, color membrane substrates 10b, liquid crystal layer 10c and connection array base palte 10a and color membrane substrates 10b, minute surface is anti-
Penetrate material layer 20 be located at color membrane substrates 10b surface and with color membrane substrates 10b directly contact.Further, direct reflection material
On the surface of color membrane substrates 10b, therefore the bed of material 20 is formed at by film-forming process, specular reflective material layer 20 and display floater 10
Form integrative-structure.It should be noted that cover plate 30 and display floater 10 are separate structures, and specular reflective material layer
20 form integrative-structure with display floater 10, therefore, are needed by articulamentum 40 between cover plate 30 and specular reflective material layer 20
Connection, articulamentum 40 can be the sticking transparency material of tool.
The embodiment of the present invention additionally provides another kind of position of the specular reflective material layer in display screen：Specular reflective material
Layer be located at lid surface and with cover plate directly contact.It is another kind display screen provided in an embodiment of the present invention with reference to Fig. 4, Fig. 4
Cross-sectional view.Compared with the display screen shown in Fig. 3, difference is the position at the place of specular reflective material layer 20 not
With other something in common are repeated no more.As shown in figure 4, display screen includes display floater 10, specular reflective material layer 20, cover plate
30 and connection display floater 10 and specular reflective material layer 20 articulamentum 40, specular reflective material layer 20 be located at 30 table of cover plate
Face and with 30 directly contact of cover plate.Specifically, specular reflective material layer 20 is formed on the surface of cover plate 30 by film-forming process,
Therefore, specular reflective material layer 20 forms integrative-structure with cover plate 30.It should be noted that cover plate 30 and display floater 10 are phases
Mutual independent structure, and specular reflective material layer 20 forms integrative-structure with cover plate 30, therefore, display floater 10 and direct reflection
Need between material layer 20 to connect by articulamentum 40, similarly, articulamentum 40 can be the sticking transparency material of tool.
Need it is further noted that in the embodiment of the present invention in order to more specifically, figuratively bright mirror face reflecting material
In display screen described in relation between the bed of material 20 and cover plate 30, display floater 20, Fig. 3 and Fig. 4, display floater 10 is liquid crystal
Show panel, however, the embodiment of the present invention is not limited to this, in other examples, display floater 10 can be organic
Light display floater.Specifically, when display floater 10 is organic electroluminescence display panel, specular reflective material layer 20 can pass through into
Membrane process is formed at the encapsulation layer surface of display floater 10 to realize being structure as a whole with display floater 10, it is also possible to elder generation and cover plate
30 form integrative-structure, then are connected with display floater 10 by articulamentum.
Display screen provided in an embodiment of the present invention can also have which in addition to display function and direct reflection function
His function, for example, touch function.When display screen increases touch function, specular reflective material layer can include multiple minute surfaces
Reflector element, and multiple specular surface cells are multiplexed with touch control electrode.Fig. 5, Fig. 5 be refer to for provided in an embodiment of the present invention one
Plant the overlooking the structure diagram of display screen.As shown in figure 5, display screen include display floater 10, specular reflective material layer 20 and
Cover plate 30, specular reflective material layer 20 Wei Yu display floater 10 and cover plate 30 between, and specular reflective material layer 20 include multiple
Opening 202.Specular reflective material layer 20 includes multiple specular surface cells 201, and multiple specular surface cells 201 be multiplexed with tactile
Control electrode, specifically, specular surface cells 201 connect control unit (not shown) by touch-control lead 204, and control unit passes through
Touch-control lead 204 transmits touching signals to specular surface cells 201.As shown in figure 5, specular surface cells 201 include many
Individual opening 202, and specular surface cells 201 correspond at least one pixel cell (not shown).It should be noted that cover plate
The 30 upright projection projections on display floater 10 cover upright projection of the specular reflective material layer 20 on display floater 10,
Therefore, Fig. 5 cover plate 30 and display floater 10 are not individually marked.
Alternatively, it is electrically insulated between each specular surface cells.As shown in figure 5, between each specular surface cells 201 mutually solely
Vertical, and be electrically insulated.When electrically insulated from one another between individual specular surface cells 201, display screen can be self-capacitance touch display screen.
Now, specular reflective material layer 20 is integrative-structure with display floater 10, or is integrative-structure with cover plate 30.Need explanation
, touch-control lead 204 can be with specular reflective material layer 20 with layer setting.
Further, the embodiment of the present invention additionally provides another kind of direct reflection display screen with touch function.Specifically
Ground, multiple specular surface cells include the first specular surface cells and the second specular surface cells, in a first direction, each described
Electrically connect between first specular surface cells, be electrically insulated between each second specular surface cells；In a second direction, each institute
State between the first specular surface cells and be electrically insulated, electrically connect between each second specular surface cells, and first minute surface
It is electrically insulated between reflector element and second specular surface cells, the first direction is intersected with the second direction.Please join
Examine the overlooking the structure diagram that Fig. 6, Fig. 6 are another kind display screen provided in an embodiment of the present invention.With the display screen phase shown in Fig. 5
Than the difference of the display screen shown in Fig. 6 is the annexation of specular surface cells, and other something in common are repeated no more.
As shown in fig. 6, multiple specular surface cells 201 include the first specular surface cells 201a and the second specular surface cells 201b,
In a first direction on Y, electrically connect between each first specular surface cells 201a, between each second specular surface cells 201b, electricity is exhausted
Edge；In second direction X, it is electrically insulated between each first specular surface cells 201a, between each second specular surface cells 201b
Electrical connection, and be electrically insulated between the first specular surface cells 201a and the second specular surface cells 201b, first direction Y and second
Direction X intersects.
Specifically, if using directly contact between the first specular surface cells 201a for electrically connecting on first direction Y
Mode is electrically connected, then electrically connected by the way of bridge between the second specular surface cells 201b for electrically connecting in second direction X；
If electrically connected by the way of directly contact between the second specular surface cells 201b for electrically connecting in second direction X, the
Electrically connected by the way of bridge between the first specular surface cells 201a for electrically connecting on one direction Y.Now, display screen is permissible
It is mutual capacitance touch display screen.
Display screen and carry out simple transformation gained according to the various embodiments described above that the various embodiments described above of the present invention are provided
In display screen, the area of the opening is more than or equal to 20um2.In above-described embodiment, a pixel cell 106 corresponds to multiple openings
202, and the area of pixel cell 106 is different because resolution requirement is different, however, the area of opening 202 is being less than pixel list
On the premise of the area of unit 106, the area of opening 202 is also limited by exposure technology.At present, exposure limit is 3um, to add
Etching error, the area of the opening 202 that can be formed is 20um2.Additionally, when opening 202 area compared with hour, but at this
In invention other embodiment, the area of opening 202 can be less than 20um2
Alternatively, the various embodiments described above of the present invention are provided display screen and carry out simple transformation according to the various embodiments described above
In the display screen of gained, the reflective surface area of the specular reflective material layer accounts for the area ratio of the display floater and is：More than etc.
In 20% and less than or equal to 70%.It should be noted that reflective surface area refers to that the area of layer of reflective material deducts the area of opening,
Wherein, the area of layer of reflective material refers to the area of the closed figure that the profile of layer of reflective material is formed.
Alternatively, the thickness of the specular reflective material layer is more than or equal to
Alternatively, the thickness of the specular reflective material layer is little is more than or equal to
Table 1 is refer to, table 1 is the impact at different conditions to absorbance and reflectance of specular reflective material layer.As table 1
Shown, illustrate so that specular reflective material layer is as aluminum as an example, therefore, following middle specular reflective material layers are replaced with aluminium film.From
Can be seen that in table 1, on the one hand, when aluminium film is not provided with opening, when aluminium film thickness is less thanWhen, aluminium film thickness pair
The transmitance of display screen and reflectance have an impact.According to experimental result, aluminium film is thinner, and transmitance is higher, and reflectance is lower.But
It is, when aluminium film thickness is more than or equal toWhen, aluminium film thickness change will not cause the change of display screen transmitance.
On the other hand, when the reflective surface area of aluminium film is 20%, as long as aluminium film thickness is more than or equal toDisplay screen
Reflectance be more than or equal to 16%, transmitance less than 82% and be more than 80%.In prior art, the reflectance of LCDs is little
In being equal to 5%, even if reflectance is relatively low, in well-lighted environment, also the LCDs of black state are made by someone as mirror
With.Therefore, reflectance can not only be used as mirror more than or equal to 16% under black state, also have direct reflection when showing
Function.Additionally, the transmitance of the display screen with direct reflection function is usually 15% to 55%, therefore, transmitance is less than
82% and be more than 80%, normally can show.
When the reflective surface area of aluminium film is 70%, as long as aluminium film thickness is more than or equal toThe reflectance of display screen
More than or equal to 56%, transmitance less than 37% and is more than 30%.Similarly, equally can when the reflective surface area of aluminium film is 70%
Realize direct reflection function and normal display.
In order to ensure good mirror reflection effect and display effect, aluminium film can be caused by adjusting the quantity being open
Reflective surface area is 20% to 80%.It should be noted that in white metal, the reflectance highest of silver, therefore, work as direct reflection
When material layer is for silver, when reflective surface area is 20%, reflectance can be higher, i.e., reflectance is more nearly 20%.
Another further aspect, aluminium film thickness change and open amount (reflective surface area) can all affect the sheet resistance of aluminium film, wherein, sheet resistance
For the resistance in cellar area.As seen from Table 1, aluminium film thickness is less, and sheet resistance is bigger；Open amount is more, and (reflective surface area is got over
Little), sheet resistance is bigger.When aluminium film (specular reflective material layer) is multiplexed with touch control electrode, its sheet resistance is affected on the sensitivity of touch-control
Larger.In prior art, the generally transparent oxide of touch control electrode, for example, tin indium oxide (Indium-Tin-Oxide, ITO).
The sheet resistance of ITO is usually tens ohm, therefore, for large scale display floater, it is impossible to use ITO as touch control electrode.
However, in display screen provided in an embodiment of the present invention, specular reflective material layer is that metal, the sheet resistance of metal is little compared with ITO,
It is more suitable for as touch control electrode.Specifically, table 1 refer to, when aluminium film thickness isWhen, reflective surface area is 20%
The sheet resistance of aluminium film is 7 ohm, and the increase with reflective surface area, and the sheet resistance of aluminium film is tapered into.Screen display is touched for large scale
During display screen, the sheet resistance of touch control electrode needs to be less than 10 ohm as far as possible.As the sheet resistance of aluminium film is inversely proportional to the thickness of aluminium film, because
This, the thickness of aluminium film can be more than or equal toHowever, in daily life, the area of most of mirror is much larger than mobile phone
Area, therefore, aluminium film thickness can be more than or equal toWhen aluminium film thickness is When, reflective surface area is 20%
Aluminium film sheet resistance be 1.3 ohm, reflective surface area be 70% aluminium film sheet resistance be 0.36 ohm.
The impact at different conditions to absorbance and reflectance of 1 specular reflective material layer of table
Additionally, the embodiment of the present invention additionally provides a kind of display device, display device includes any of the above-described display screen.This
The display device that bright embodiment is provided can be used as mirror, while normally can show.
Finally, the embodiment of the present invention also provides the preparation method of display screen.Specifically refer to Fig. 7, Fig. 7 to implement for the present invention
A kind of preparation method of display screen that example is provided.Concrete preparation method is as follows：
S11：A display floater is provided, the display floater includes multiple pixel cells.Display floater passes through film forming, exposure
The techniques such as light, dry etching, wet etching, encapsulation are prepared from.Pixel cell be by a plurality of mutually insulated and surface sweeping line arranged in a crossed manner and
Data line definition is formed, and in pixel cell, also includes thin film transistor (TFT).For display panels, in pixel cell
Also include pixel electrode and public electrode corresponding with pixel electrode；For organic electroluminescence display panel, pixel cell
Also include anode and negative electrode corresponding with anode.
S12：Specular reflective material layer is formed in the light emission side of the display floater, the specular reflective material layer is gold
Category, and the specular reflective material layer forms multiple openings by etching, each pixel cell is corresponded to described at least one
Opening, and the area of the opening is less than the area of the pixel cell.Specifically, the specular reflective material with multiple openings
Layer is formed through film forming, exposure, etching.First, in the light emission side of display floater, layer of metal film is deposited.For LCD
For plate, it can be the side deposited metal film away from liquid crystal layer of color membrane substrates；For organic electroluminescence display panel, Ke Yishi
Encapsulated layer away from luminescent layer side deposited metal film.Then, photoresist is formed on metal film, and by mask plate to light
Photoresist is exposed.Finally, the specular reflective material layer for obtaining with multiple openings is performed etching.
S13：One cover plate is provided.Specifically, cover plate is transparent planar thing, for example, clear glass, transparent plastic etc..
S14：The cover plate is oppositely arranged with the light emission side of the display floater.Due to specular reflective material layer be by becoming
Membrane process is formed at the light emission side of display floater, therefore, minute surface can be protected anti-by relative with the light emission side of display floater for cover plate
Penetrate material layer.Specifically, can be bondd by transparent adhesive tape between cover plate and specular reflective material layer.
In addition to above-mentioned preparation method, the embodiment of the present invention additionally provides another kind of display screen preparation method.Refer to Fig. 8,
Fig. 8 is the preparation method of another kind display screen provided in an embodiment of the present invention.Specifically, preparation method is as follows：
S21：A display floater is provided, the display floater includes multiple pixel cells.Display floater passes through film forming, exposure
The techniques such as light, dry etching, wet etching, encapsulation are prepared from.Pixel cell be by a plurality of mutually insulated and surface sweeping line arranged in a crossed manner and
Data line definition is formed, and in pixel cell, also includes thin film transistor (TFT).For display panels, in pixel cell
Also include pixel electrode and public electrode corresponding with pixel electrode；For organic electroluminescence display panel, pixel cell
Also include anode and negative electrode corresponding with anode.
S22：One cover plate is provided.Specifically, cover plate is transparent planar thing, for example, clear glass, transparent plastic etc..
S23：Specular reflective material layer is formed in the side of the cover plate, the specular reflective material layer is metal, and institute
State specular reflective material layer and multiple openings are formed by etching, each pixel cell is corresponded to described at least one and is open, and
The area of the opening is less than the area of the pixel cell.Specifically, the specular reflective material layer with multiple openings is passed through
Film forming, exposure, etching are formed.First, in the side of cover plate, layer of metal film is deposited.Then, on metal film, photoresist is formed,
And by mask plate, photoresist is exposed.Finally, the specular reflective material layer for obtaining with multiple openings is performed etching.
S24：The side that the cover plate is provided with the specular reflective material layer is relative with the light emission side of the display floater
Arrange.Side due to cover plate defines specular reflective material layer by film-forming process, therefore, cover plate is provided with minute surface
The side of layer of reflective material is oppositely arranged with the light emission side of display floater and is prevented from specular reflective material layer and is drawn in use
Wound.Specifically, can be bondd by transparent adhesive tape between cover plate and specular reflective material layer.
In the preparation method of display screen provided in an embodiment of the present invention, display device and display screen, by direct reflection material
The bed of material is arranged between display floater and cover plate, it is to avoid scratch specular reflective material layer in use, so as to improve display
Screen, the service life of display device.Additionally, the reflecting surface of specular reflective material layer can be adjusted by adjusting the quantity being open
Product, so as to design display screen, the display device of different reflectivity and transmitance.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
Multiple modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (15)
1. a kind of display screen, it is characterised in that include：
Display floater, the display floater includes multiple pixel cells；
Go out the cover plate of the side of light positioned at the display floater, the cover plate is oppositely arranged with the display floater；
Specular reflective material layer, between the display floater and the cover plate；
Wherein, the specular reflective material layer is metal, and the specular layer has multiple openings, each pixel list
It is open described in unit corresponding at least one, and the area of the opening is less than the area of the pixel cell.
2. display screen according to claim 1, it is characterised in that the specular reflective material layer be.
3. display screen according to claim 2, it is characterised in that the specular reflective material layer is silver or aluminum.
4. display screen according to claim 2, it is characterised in that the specular reflective material layer is located at the display floater
Surface and with the display floater directly contact.
5. display screen according to claim 2, it is characterised in that the specular reflective material layer is located at the lid surface
And with the cover plate directly contact.
6. display screen according to claim 2, it is characterised in that the specular reflective material layer includes multiple direct reflections
Unit, and multiple specular surface cells are multiplexed with touch control electrode.
7. display screen according to claim 6, it is characterised in that be electrically insulated between each specular surface cells.
8. display screen according to claim 6, it is characterised in that the plurality of specular surface cells include that the first minute surface is anti-
Unit and the second specular surface cells are penetrated, in a first direction, is electrically connected between each first specular surface cells, each described
It is electrically insulated between second specular surface cells；In a second direction, it is electrically insulated between each first specular surface cells, each institute
State between the second specular surface cells and electrically connect, and between first specular surface cells and second specular surface cells
Electric insulation, the first direction is intersected with the second direction.
9. the display screen according to claim 1-8 any one, it is characterised in that the area of the opening is more than or equal to
20um2.
10. the display screen according to claim 1-8 any one, it is characterised in that the specular reflective material layer anti-
Penetrate area and account for the area ratio of the display floater and be：More than or equal to 20% and less than or equal to 70%.
11. display screens according to claim 10, it is characterised in that the thickness of the specular reflective material layer is more than or waits
In
12. display screens according to claim 11, it is characterised in that the thickness of the specular reflective material layer is more than or waits
In
A kind of 13. display devices, including the display screen described in claim 1-12 any one.
The preparation method of the display screen described in a kind of 14. claim 1, it is characterised in that
A display floater is provided, the display floater includes multiple pixel cells；
Specular reflective material layer is formed in the light emission side of the display floater, the specular reflective material layer is metal, and described
Specular reflective material layer forms multiple openings by etching, and each pixel cell is corresponded to described at least one and is open, and institute
State the area of the area less than the pixel cell of opening；
One cover plate is provided；
The cover plate is oppositely arranged with the light emission side of the display floater.
The preparation method of the display screen described in a kind of 15. claim 1, it is characterised in that
A display floater is provided, the display floater includes multiple pixel cells；
One cover plate is provided；
Specular reflective material layer is formed in the side of the cover plate, the specular reflective material layer is metal, and the minute surface is anti-
Penetrate material layer and multiple openings are formed by etching, each pixel cell is corresponded to described at least one and is open, and the opening
Area less than the pixel cell area；
The cover plate is provided with the side of the specular reflective material layer and the light emission side of the display floater is oppositely arranged.
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| CN106444135B (en) | 2020-02-18 |
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