CN104635368A - Touch control display panel and touch control display device using touch control display panel - Google Patents
Touch control display panel and touch control display device using touch control display panel Download PDFInfo
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- CN104635368A CN104635368A CN201510076038.1A CN201510076038A CN104635368A CN 104635368 A CN104635368 A CN 104635368A CN 201510076038 A CN201510076038 A CN 201510076038A CN 104635368 A CN104635368 A CN 104635368A
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- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 22
- 239000010408 film Substances 0.000 claims description 47
- 239000003595 mist Substances 0.000 claims description 38
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 26
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 26
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 26
- 229920002301 cellulose acetate Polymers 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
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- 230000008901 benefit Effects 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
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- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Human Computer Interaction (AREA)
- Polarising Elements (AREA)
Abstract
The invention provides a touch control display panel. The touch control display panel comprises a display substrate, a touch control sensing layer and an upper polarizer. The touch control sensing layer is located at the upper part of the display substrate, and the touch control sensing layer is used for sensing the touch control position. The upper polarizer is located at the surface of a back display substrate of the touch sensing level, and comprises a haze pressure-sensitive adhesive layer. The invention further provides a touch control display device using the touch control display panel. The touch control display panel and the upper polarizer of the touch control display device comprise the haze pressure sensitive adhesive layer, so that the interference stripe between the touch control sensing layer and the display substrate is reduced, the display quality is improved; moreover, it is beneficial for light and thin design of a product.
Description
Technical field
The present invention relates to technical field of touch-control display, particularly a kind of touch-control display panel and use its touch control display apparatus.
Background technology
Growing along with science and technology, the digitization tools such as mobile phone, personal digital assistant, notebook computer are towards future development convenient, multi-functional and attractive in appearance, wherein display screen is man-machine communication interface indispensable in these equipment, at present, the display screen of main flow mostly adopts lcd technology.Simultaneously, along with fast development and the application of infotech, radio mobile communication and information household appliances, in order to reach more convenient, lighter and handier and more humane object, many information products are inputted by devices such as traditional keyboard or mouses,, as input media, touch control type LCD device becomes main flow to transfer use touch panel (Touch Panel) to.
Touch control display apparatus is mainly divided into: monolithic glass formula (one glass solution, OGS), glass cover-plate-conductive film-conductivity type thin film (glass-film-film, GFF), upper laminar (on cell) and nexine formula (in cell).Wherein, GFF touch control display apparatus has two-layer touch layer, two-layer ITO conductive film layer, and manufacturing process is loaded down with trivial details, and light transmission is poor, and reflective is large, but with low cost.OGS touch control display apparatus on the cover glass (cover lens) of display device, directly forms tin indium oxide (indium tin oxide, ITO) conducting film, to play the double action of cover glass and touch sensible.In-cell touch control display apparatus is that the pixel be made in by touch-control sensing circuit on liquid crystal panel thin-film transistor array base-plate is inner, on-cell touch control display apparatus is then the top layer or the bottom that touch-control sensing circuit are made in color filter glass substrate, is that is made between color filter glass substrate and polaroid by touch-control sensing circuit or is made between color filter glass substrate and liquid crystal layer.Therefore, relative OGS touch-control display panel, the induction line of the touch-control display panel of in-cell and on-cell display device because being subject to the protection of base plate glass and safer, and is more convenient for realizing slimming and the lightweight of touch control display apparatus.
According to the principle of work of touch-control sensing layer in touch control display apparatus, touch control display apparatus can be divided into resistance-type, condenser type, infrared-type and surface acoustic wave type, optics etc. multiple, and wherein capacitive touch control display device is widely used in various electronic product due to the advantage such as its reaction velocity is fast, highly sensitive, of good reliability.
Fig. 1 is a kind of cross-sectional view with the liquid crystal indicator of touch controllable function of prior art.Shown in Fig. 1, the display panel 100 with touch controllable function comprises upper substrate 7, infrabasal plate 9 and the liquid crystal layer between upper substrate 7 and infrabasal plate 98.Concrete, the upper substrate 7 of liquid crystal indicator 100 comprises from top to bottom successively: polaroid 1, touch-control sensing layer 2, top glass substrate 3, black matrix" 4, colored filter (color filter, CF) 5 and both alignment layers 6.Wherein, touch-control sensing layer 2 comprises metal film layer 22 and lightproof area 21, and lightproof area 21 and metal film layer 22 are formed at the surface of top glass substrate 3 infrabasal plate 9 dorsad.In addition, in order to not affect its transmittance, the lightproof area 21 of touch-control sensing layer 2 is positioned at the position corresponding with metal film layer 22, and namely lightproof area 21 is positioned at the top of metal film layer 22.
But in On Cell technology, when the light transmission display panel 100 of backlight, because the opaque patterns in the opaque patterns such as lightproof area 21 and upper substrate 7 of touch-control sensing layer 2 and/or infrabasal plate 9 such as can produce light interference between black matrix" 4, namely produce light and shade striped, also can be described as glare phenomenon, affect display quality.
Prior art usually utilize to be coated with on polaroid 1 layer of surface process coating or touch-control sensing layer 2 dorsad infrabasal plate 9 surface and on the surface of infrabasal plate 9, increase one deck optical anti-reflective film respectively, to reduce interference fringe.But prior art needs extra one or more layers film of increase, and the integral thickness of panel increases, and is unfavorable for the lightening design of touch-control product.
Therefore, be necessary to provide the technical scheme of improvement to overcome the above technical matters existed in prior art.
Summary of the invention
The main technical problem to be solved in the present invention is to provide one can reduce interference fringe, improves display quality, and is conducive to the touch-control display panel of the lightening design of product.
The invention provides a kind of touch-control display panel, it comprises display base plate, touch-control sensing layer and upper Polarizer.Described touch-control sensing layer is positioned at the top of described display base plate, and described touch-control sensing layer is for sensing position of touch.Described upper Polarizer is positioned at the surface of the described dorsad display base plate of described touch-control sensing layer, and described upper Polarizer comprises mist degree pressure-sensitive adhesive layer.
Further, described upper Polarizer also comprises PVOH film, and described PVOH film is positioned at the below of described mist degree pressure-sensitive adhesive layer.
Further; described upper Polarizer also comprises the first pressure-sensitive adhesive layer, the first three cellulose acetate membrane, the second three cellulose acetate membrane and diaphragm; described first pressure-sensitive adhesive layer is between described touch-control sensing layer and described PVOH film; described first three cellulose acetate membrane is between described first pressure-sensitive adhesive layer and described PVOH film; described second three cellulose acetate membrane is positioned at the top of described mist degree pressure-sensitive adhesive layer, and described diaphragm is positioned at the top of described second three cellulose acetate membrane.
Further, described upper Polarizer also comprises the 3rd three cellulose acetate membrane, and described 3rd three cellulose acetate membrane is between described PVOH film and described mist degree pressure-sensitive adhesive layer.
Further, described touch-control sensing layer comprises metal film layer and lightproof area.
Further, described display base plate comprises: CF substrate, TFT substrate and layer of liquid crystal molecule, and described CF substrate is provided with black matrix", and described layer of liquid crystal molecule is between described CF substrate and described TFT substrate.
Further, described touch-control display panel also comprises lower Polarizer.
Further, described upper Polarizer and/or described lower Polarizer are wide viewing angle type Polarizer.
Further, between the thickness of described mist degree pressure-sensitive adhesive layer is 50 to 100 microns.
The present invention also provides a kind of touch control display apparatus, and described touch control display apparatus comprises above-mentioned touch-control display panel.
The upper Polarizer of touch-control display panel of the present invention and touch control display apparatus comprises mist degree pressure-sensitive adhesive layer, decreases the interference fringe produced between touch-control sensing layer and display base plate, improves display quality, and is conducive to the lightening design of product.
By the detailed description below with reference to accompanying drawing, other side of the present invention and feature become obvious.But it should be known that accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present invention, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Fig. 1 is a kind of cross-sectional view with the liquid crystal indicator of touch controllable function of prior art.
Fig. 2 is the cross-sectional view of the touch-control display panel of first embodiment of the invention.
Fig. 3 is the cross-sectional view of the touch-control display panel of second embodiment of the invention.
Fig. 4 is the cross-sectional view of the touch-control display panel of third embodiment of the invention.
Fig. 5 is the effect schematic diagram of the touch-control display panel of first embodiment of the invention.
Fig. 6 is the effect schematic diagram of the touch-control display panel of second embodiment of the invention.
Fig. 7 is the effect contrast figure of existing touch control display apparatus and touch control display apparatus of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Fig. 2 is the cross-sectional view of the touch-control display panel of first embodiment of the invention.As shown in Figure 2, touch-control display panel comprises display base plate 30, touch-control sensing layer 20 and upper Polarizer 10.
Display base plate 30 comprises colorized optical filtering (color filter, CF) substrate 301, thin film transistor (TFT) (Thin Film Transistor, TFT) 302 substrates and the layer of liquid crystal molecule between CF substrate 301 and TFT substrate 302 303.Wherein, CF substrate 301 is provided with black matrix" (not shown).
Touch-control sensing layer 20 is positioned at the top of display base plate 30, and touch-control sensing layer 20 is for sensing position of touch.Touch-control sensing layer 20 comprises metal film layer (not shown) and lightproof area (not shown).Wherein, lightproof area is reflective by force for what hide that metal film layer causes.
Upper Polarizer 10 is positioned at the surface of the display base plate dorsad of touch-control sensing layer 20, and upper Polarizer 10 comprises mist degree pressure-sensitive adhesive layer (pressure sensitive adhesives, PSA) 104.Filler particles in mist degree PSA 104 can make the light generation scattering from the injection of backlight (not shown), thus improves the interference fringe that touch-control sensing layer 20 produces with display base plate 30, raising display quality.Wherein, the density of the filler particles in mist degree PSA 104 is larger, and the backscattering of generation is larger, compensate for interference fringe bright dark between luminance difference, add the brightness homogeneity of touch-control display panel.Light can be concentrated, avoid the significantly decline of contrast between being 50 to 100 microns by the thickness of mist degree PSA104 to a certain extent.In an embodiment of the present invention, between the thickness of mist degree PSA 104 is 50 to 100 microns.
In an embodiment of the present invention, upper Polarizer 10 also comprises the below that PVOH (poly vinyl alcohol, PVA) film 103, PVA film 103 is positioned at mist degree PSA 104.Because PVA film 103 is positioned at the below of mist degree PSA 104, avoid light and first destroy degree of polarization through mist degree PSA 104, thus the effective polarized light intensity avoiding PVA film 103 outgoing reduces, and then maintain higher contrast.Upper Polarizer 10 also comprises PSA 101, first Triafol T (triacetate cellulose film, a TAC) film 102, the 2nd TAC 105 film and diaphragm 106.One PSA 101 is between touch-control sensing layer 20 and PVA film 103.One TAC 102 film is between the first PSA 101 and PVA film 103.2nd TAC 105 film is positioned at the surface of the display base plate dorsad of mist degree PSA 104.Diaphragm 106 is positioned at the surface of the display base plate dorsad of the 2nd TAC 105 film.
Touch-control display panel also comprises lower Polarizer 40, and lower Polarizer 40 is positioned at the surface of going up Polarizer 10 dorsad of display base plate 30.Lower Polarizer 40 comprises two-layer PSA, the two-layer TAC film between two-layer PSA and the PVA film 103 between the TAC film of both sides.Certainly, the present invention is not as limit.
In an embodiment of the present invention, upper Polarizer 10 and/or lower Polarizer 40 are wide viewing angle type Polarizer.
Fig. 3 is the cross-sectional view of the touch-control display panel of second embodiment of the invention.Touch-control display panel shown in Fig. 3 is substantially identical with the touch display panel structure shown in Fig. 2, difference is only, mist degree PSA 104 is positioned at the below of PVA film 103, as shown in Figure 3, the light of orlop and backlight injection that mist degree PSA104 is positioned at Polarizer 10 is at first through mist degree PSA104, the scattered light that mist degree PSA 104 is produced is avoided the stop because of TAC 102 film and PVA film 103 and is weakened, thus the scattering luminous energy that mist degree PSA 104 is produced more directly contacts with interference luminous energy, thus reduce interference fringe better.
Fig. 4 is the cross-sectional view of the touch-control display panel of third embodiment of the invention.Touch-control display panel shown in Fig. 4 is substantially identical with the touch display panel structure shown in Fig. 2, difference is only that Polarizer 10 also comprises the 3rd TAC 107,3rd TAC 107 between PVA film 103 and mist degree PSA 104, with the problem preventing PVA film 103 from causing thermal shrinkage excessive owing to directly contacting with mist degree PSA 104.
Fig. 5 is the effect schematic diagram of the touch-control display panel of first embodiment of the invention.Fig. 6 is the effect schematic diagram of the touch-control display panel of second embodiment of the invention.As shown in Figure 5, because PVA film 103 is positioned at the below of mist degree PSA 104, therefore, avoid light and first destroy degree of polarization through mist degree PSA 104, thus the effective polarized light intensity avoiding PVA film 103 outgoing reduces, thus maintain higher contrast.As shown in Figure 6, because mist degree PSA 104 is positioned at the light of the orlop of upper Polarizer 10 and backlight injection at first through mist degree PSA 104, therefore, the scattered light that mist degree PSA 104 produces is avoided the stop because of TAC 102 film and PVA film 103 and weakens, thus the scattering luminous energy that mist degree PSA 104 is produced more directly contacts with interference luminous energy, thus reduce interference fringe better.Please also refer to Fig. 5 and Fig. 6, the touch-control display panel of the first embodiment is compared with the touch-control display panel of the second embodiment, and effective polarized light intensity is higher, and contrast is more excellent.
The present invention also provides a kind of touch control display apparatus.Touch control display apparatus comprises touch-control display panel and backlight.Backlight is used for providing backlight to touch-control display panel.Touch-control display panel comprises display base plate 30, touch-control sensing layer 20 and upper Polarizer 10.Touch-control sensing layer 20 is positioned at the top of display base plate 30, and touch-control sensing layer 20 is for sensing position of touch.Upper Polarizer 10 is positioned at the surface of the display base plate dorsad 30 of touch-control sensing layer 20, and upper Polarizer 10 comprises mist degree pressure-sensitive adhesive layer.
Fig. 7 is the effect contrast figure of existing touch control display apparatus and touch control display apparatus of the present invention.As shown in Fig. 7 (a), existing touch control display apparatus (a) is when the light transmission display panel of backlight, because the opaque patterns in the opaque patterns such as lightproof area and upper substrate of touch-control sensing layer and/or infrabasal plate such as can produce light interference between black matrix", namely produce light and shade striped 70, also can be described as glare phenomenon, have a strong impact on display quality.And as shown in Fig. 7 (b), the upper Polarizer of touch control display apparatus of the present invention comprises mist degree PSA, thus utilize mist degree PSA to carry out scattering to light, thus the generation interference fringe between the black matrix" decreasing the opaque patterns such as CF substrate of the opaque patterns such as lightproof area and display base plate due to touch-control sensing layer, improve display quality, and be conducive to the lightening design of product.
The upper Polarizer 10 of touch-control display panel of the present invention and touch control display apparatus comprises mist degree PSA104, thus utilize mist degree PSA104 to carry out scattering to light, thus the generation interference fringe between the black matrix" decreasing the opaque patterns such as CF substrate 301 of opaque patterns such as lightproof area and the display base plate 30 due to touch-control sensing layer 20, improve display quality, and be conducive to the lightening design of product.
Apply the embodiment of specific case to touch-control display panel of the present invention and touch control display apparatus herein to set forth, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to sum up, this description should not be construed as limitation of the present invention.
Claims (10)
1. a touch-control display panel, is characterized in that, described touch-control display panel comprises:
Display base plate;
Touch-control sensing layer, is positioned at the top of described display base plate, and described touch-control sensing layer is for sensing position of touch; And
Upper Polarizer, described upper Polarizer is positioned at the surface of the described dorsad display base plate of described touch-control sensing layer, and described upper Polarizer comprises mist degree pressure-sensitive adhesive layer.
2. touch-control display panel as claimed in claim 1, it is characterized in that, described upper Polarizer also comprises PVOH film, and described PVOH film is positioned at the below of described mist degree pressure-sensitive adhesive layer.
3. touch-control display panel as claimed in claim 2, it is characterized in that, described upper Polarizer also comprises:
First pressure-sensitive adhesive layer, described first pressure-sensitive adhesive layer is between described touch-control sensing layer and described PVOH film;
First three cellulose acetate membrane, described first three cellulose acetate membrane is between described first pressure-sensitive adhesive layer and described PVOH film;
Second three cellulose acetate membrane, described second three cellulose acetate membrane is positioned at the top of described mist degree pressure-sensitive adhesive layer; And
Diaphragm, described diaphragm is positioned at the top of described second three cellulose acetate membrane.
4. touch-control display panel as claimed in claim 3, it is characterized in that, described upper Polarizer also comprises:
3rd three cellulose acetate membrane, described 3rd three cellulose acetate membrane is between described PVOH film and described mist degree pressure-sensitive adhesive layer.
5. touch-control display panel as claimed in claim 1, it is characterized in that, described touch-control sensing layer comprises metal film layer and lightproof area.
6. touch-control display panel as claimed in claim 5, it is characterized in that, described display base plate comprises:
CF substrate, described CF substrate is provided with black matrix";
TFT substrate; And
Layer of liquid crystal molecule, between described CF substrate and described TFT substrate.
7. touch-control display panel as claimed in claim 6, it is characterized in that, described touch-control display panel also comprises lower Polarizer.
8. touch-control display panel as claimed in claim 7, it is characterized in that, described upper Polarizer and/or described lower Polarizer are wide viewing angle type Polarizer.
9. touch-control display panel as claimed in claim 7, is characterized in that, between the thickness of described mist degree pressure-sensitive adhesive layer is 50 to 100 microns.
10. a touch control display apparatus, is characterized in that comprising the touch-control display panel described in claim 1 to 9 any one.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106707527A (en) * | 2015-07-27 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Touch type stereoscopic display device and manufacturing method thereof |
WO2020062756A1 (en) * | 2018-09-28 | 2020-04-02 | 惠州市华星光电技术有限公司 | Touch display device and fabrication method therefor |
WO2022041333A1 (en) * | 2020-08-27 | 2022-03-03 | 惠州市华星光电技术有限公司 | Display screen and electronic device |
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CN106707527A (en) * | 2015-07-27 | 2017-05-24 | 南京瀚宇彩欣科技有限责任公司 | Touch type stereoscopic display device and manufacturing method thereof |
WO2020062756A1 (en) * | 2018-09-28 | 2020-04-02 | 惠州市华星光电技术有限公司 | Touch display device and fabrication method therefor |
WO2022041333A1 (en) * | 2020-08-27 | 2022-03-03 | 惠州市华星光电技术有限公司 | Display screen and electronic device |
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