CN109189272A - Touch control display apparatus and its manufacturing method - Google Patents
Touch control display apparatus and its manufacturing method Download PDFInfo
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- CN109189272A CN109189272A CN201811135227.1A CN201811135227A CN109189272A CN 109189272 A CN109189272 A CN 109189272A CN 201811135227 A CN201811135227 A CN 201811135227A CN 109189272 A CN109189272 A CN 109189272A
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- display apparatus
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- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- 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
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Position Input By Displaying (AREA)
Abstract
It includes: substrate that the present invention, which provides a kind of touch control display apparatus and its manufacturing method, the touch control display apparatus,；Tft layer above the substrate；Color film layer above the tft layer；Pressure absorbing layer above the color film layer；Touch-control sensing layer above the pressure absorbing layer；Wherein, the pressure absorbing layer is hard transparent material, is fixed on above color film layer by sealant.The present invention above color film layer by pasting plus-pressure absorbed layer, it absorbs user and passes through the stress that touch-control sensing layer is applied on color film layer and liquid crystal layer in operation, weaken the color membrane structure of corresponding region and the variation of liquid crystal structure, eliminate influence of the touch-control pressure to liquid crystal molecule rotation status, to eliminate washmarking phenomenon, enhance user experience.
Description
Technical field
The present invention relates to touch-control display field more particularly to a kind of touch control display apparatus and its manufacturing methods.
Background technique
With the development of display technology, the purposes of display panel has been not limited to show as television set, monitor, computer
The display screen of the small devices such as screen, is also more applied in the large-sized monitor in public sphere.In commercialization display neck
Domain, the large scale display panel with touch function have bigger market.Due to price reasons, the touch technology of current main-stream
For infrared technique.Infrared touch panel long service life is suitble to large scale, but vulnerable to remote controler, high temp objects, incandescent lamp, too
The forceful electric power magnetic bodies interference such as the strong infrared ray interference such as sunlight line and transformer, stability is low, and performance is poor.
Currently, and advantage of lower cost stable using the touch panel performance of film-type capacitance touching control technology.But due to
Membrane material is relatively thin, and during touch-control, the pressure that finger is applied on film touch sensing will continue to the color film for being transmitted to lower section
On layer, the color membrane structure of corresponding region and liquid crystal structure is made to change, influence liquid crystal angle, the vision for generating similar washmarking is existing
As reducing user experience relatively.
Summary of the invention
The present invention provides a kind of touch control display apparatus, to eliminate touch-control pressure during touch-control to color film layer and liquid crystal layer
Adverse effect.
To solve the above problems, technical solution provided by the invention is as follows:
A kind of touch control display apparatus comprising:
Substrate；
Tft layer above the substrate；
Color film layer above the tft layer；
Pressure absorbing layer above the color film layer；
Touch-control sensing layer above the pressure absorbing layer；Wherein, the pressure absorbing layer is hard transparent material,
It is fixed on above color film layer by sealant.
One aspect according to the present invention, the pressure absorbing layer are plate-like structure, wherein the slab construction
The surface adjacent with tft layer is the smooth arc to raise upward.
One aspect according to the present invention, the pressure absorbing layer are plate-like structure, wherein the slab construction
The surface adjacent with touch-control sensing layer is the smooth arc to raise upward.
One aspect according to the present invention, the pressure absorbing layer are polymethyl methacrylate, polystyrene, gather
Any one in carbonate resin, ABS resin and soda-lime glass.
One aspect according to the present invention, the pressure absorbing layer top further includes light compensation layer, for compensating
Absorption and scattering of the pressure absorbing layer to light source.
One aspect according to the present invention, the touch-control sensing layer are flexible capacitance type touch-control sensing structure.
Correspondingly, the present invention also provides a kind of manufacturing methods of touch control display apparatus, which is characterized in that including following step
It is rapid:
Substrate is provided；
It is rectangular at tft layer on the substrate；
Color film layer is formed above the tft layer；
Pressure absorbing layer is formed above the color film layer；
Touch-control sensing layer is formed above the pressure absorbing layer, wherein the pressure absorbing layer is hard transparent material,
It is fixed on above color film layer by sealant.
One aspect according to the present invention, the pressure absorbing layer are plate-like structure, wherein the slab construction
The surface adjacent with tft layer is the smooth arc to raise upward.
One aspect according to the present invention, the pressure absorbing layer are plate-like structure, wherein the slab construction
The surface adjacent with touch-control sensing layer is the smooth arc to raise upward.
One aspect according to the present invention, the pressure absorbing layer are polymethyl methacrylate, polystyrene, gather
Any one in carbonate resin, ABS resin and soda-lime glass.
One aspect according to the present invention, the touch-control sensing layer are flexible capacitance type touch-control sensing structure.
One aspect according to the present invention, the manufacturing method of touch control display apparatus according to claim 7,
Be characterized in that, further include light compensation layer above the pressure absorbing layer, for compensation pressure absorbed layer to the absorption of light source and
Scattering.
The invention has the benefit that absorbing user by pasting plus-pressure absorbed layer above color film layer and leading in operation
The stress that touch-control sensing layer is applied on color film layer and liquid crystal layer is crossed, the color membrane structure of corresponding region and the change of liquid crystal structure are weakened
Change, eliminate influence of the touch-control pressure to liquid crystal molecule rotation status, to eliminate washmarking phenomenon, enhances user experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of touch control induction device in the prior art；
Fig. 2-Fig. 5 is in the manufacturing method of the touch control induction device in specific embodiments of the present invention, in different step
The structural schematic diagram of touch control induction device；
Fig. 6 is the structural schematic diagram of the touch control induction device in another specific embodiment of the invention.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The prior art is briefly described first.Touch control induction device in the prior art is shown referring to Fig. 1, Fig. 1
Structural schematic diagram, including substrate (not shown), the tft layer 010 above substrate is located at the film
The color film layer 020 of 010 top of transistor layer, the polarizing layer 050 above the color film layer 020, and it is located at the polarisation
The touch-control sensing layer 070 of 050 top of layer, wherein the touch-control sensing layer 070 is bonded in described inclined by transparent adhesive layer 060
050 top of photosphere.The tft layer 010 and color film layer 020 are bonded by sealant 030, wherein liquid crystal layer is sealed
Between the color film layer 020 and the tft layer 010.
For using the touching display screen of flexible capacitance type touch-control sensing structure, since it shows the hardness of screen than rigidity
Screen is low, and when user is when carrying out touch control operation, finger is applied to the pressure on touch panel can not be complete by touch-control sensing layer 070
Hypersorption, and since the thickness of polarizing layer 050 and transparent adhesive layer 060 is all very thin, the stress that user applies can pass through institute
It states touch-control sensing layer 070 to be applied in the color film layer 020 of lower section, leads to color film layer torsional deformation, further result under color film layer
The rotation status of the liquid crystal molecule of corresponding position changes in the liquid crystal layer of side, so as to cause occurring similar washmarking on screen
Image reduces user experience.
In view of the above-mentioned problems, the present invention provides a kind of touch control display apparatus, to eliminate touch-control pressure pair during touch-control
The adverse effect of color film layer and liquid crystal layer.Below in conjunction with attached drawing 2 to Fig. 6, the present invention will be described in detail.Specifically, referring to
Fig. 5, the present invention provides a kind of touch control display apparatus comprising: substrate (not shown) is thin above the substrate
Film transistor layer 110, the color film layer 120 above the tft layer 110, above the color film layer 120
Pressure absorbing layer 140, the touch-control sensing layer above the pressure absorbing layer 140；Wherein, the pressure absorbing layer 140 is
Hard transparent material, the polarizing layer 150 of color 120 top of film layer is fixed on by sealant 130, and is located at the polarizing layer
The touch-control sensing layer 170 of 150 tops, wherein the touch-control sensing layer 170 is bonded in the polarisation by transparent adhesive layer 160
150 top of layer.
Specifically, the substrate can be made of hard material, such as one in the hard materials such as glass, metal, resin
Kind or a variety of combinations；It is also possible to flexible base board, such as polymer material, the specific can be that polyimides (PI), poly- pair
Ethylene terephthalate (PET) etc..
The tft layer 110 is located above the substrate, the integrated circuit usually made on semiconductor material,
It is formed including gate electrode, gate insulation layer, semiconductor active layer i, ohmic contact layer, source-drain electrode and protective film etc.；Film crystal
The structure and production method of tube layer 110 are the mature technologies of this field, and details are not described herein.
The coloured silk film layer 120 is located at 110 top of tft layer, is that touch control display apparatus can show colour
Key structure generally includes the structures such as light shield layer, RGB coloring layer, transparent conductive film, for the control in tft layer 110
System is lower to generate red, green, blue three primary colours in the way of filtering, then three primary colours are blended to produce to various colors in varing proportions,
So that LCD is shown colour, while also playing a crucial role to performances such as the wide viewing angle of display device, brightness, resolution ratio.Color film layer
120 structure is the mature technology of this field, and details are not described herein.In addition, the tft layer 110 and color film layer 120
It is bonded by sealant 130, liquid crystal layer is sealed between the color film layer 120 and the tft layer 110.
The pressure absorbing layer 140 is located at 120 top of color film layer, wherein the pressure absorbing layer 140 is that hard is saturating
It is any one in bright material, such as polymethyl methacrylate, polystyrene, polycarbonate resin, ABS resin and soda-lime glass
Kind.In view of influence of the cost problem to scale of mass production of material, the pressure absorbing layer 140 in the present embodiment is sodium calcium glass
Glass.
Preferably, referring to Fig. 6, in another embodiment of the present invention, the pressure absorbing layer 140 is tabular knot
Structure, wherein the slab construction surface adjacent with tft layer 110 is the smooth arc to raise upward.It is furthermore preferred that
The slab construction surface adjacent with touch-control sensing layer 170 is the smooth arc to raise upward.Arcuate structure is compared to plate
Structure can more effective absorption pressure, reduce influence of the touch-control to color film layer 120 and liquid crystal layer, but opposite, manufacture
Technique is relative complex, and cost is also higher.Suitable structure can be selected as needed in practice, for example, for wishing as far as possible
The display device for reducing thickness can use the pressure absorbing layer of arcuate structure, and for wishing the display of reduction cost as far as possible
Device can use the pressure absorbing layer of slab construction.
It preferably, further include light compensation layer above the pressure absorbing layer, for compensation pressure absorbed layer to light source
It absorbs and scatters.It absorbs and reflects this is because pressure absorbing layer 140 can inevitably generate light, lead to light luminance
Decrease to some degree, angle also have certain diverging or gather, this depends on tool used in pressure absorbing layer 140
Body material and shape structure.If influence of the pressure absorbing layer 140 to light, than more serious, that just must be by adding additionally
Light compensation layer is corrected.The light compensation layer is to refractive properties and the pressure absorbing layer 140 of light on the contrary, its shape
Shape and material can be selected as needed, and details are not described herein.
The polarizing layer 150 is fixed on 140 top of pressure absorbing layer, 170 touch-control of touch-control sensing layer by sealant
Inductive layer 170 is bonded in 150 top of polarizing layer by transparent adhesive layer 160.The above structure is in touch control display apparatus
Common setting, details are not described herein.
In addition, it is necessary to which, it is emphasized that the touch-control sensing layer 170 in the present embodiment is flexible capacitance type touch-control sensing knot
Structure.This is because the pressure generated when eliminating touch control operation, nothing itself can be absorbed for non-flexible touch-control sensing structure
Pressure absorbing layer need to additionally be added.
The present invention passes through touch-control sensing layer in operation and applies by pasting plus-pressure absorbed layer, absorption user above color film layer
The stress being added on color film layer and liquid crystal layer weakens the color membrane structure of corresponding region and the variation of liquid crystal structure, eliminates touch-control pressure
Influence of the power to liquid crystal molecule rotation status enhances user experience to eliminate washmarking phenomenon.
Correspondingly, the present invention also provides a kind of manufacturing methods of touch control display apparatus, which is characterized in that including following step
It is rapid:
S110., substrate is provided；
S120. rectangular at tft layer 110 on the substrate；
S130. color film layer 120 is formed above the tft layer 110；
S140. pressure absorbing layer 140 is formed above the color film layer 120；
S150. touch-control sensing layer 170 is formed above the pressure absorbing layer 140, wherein the pressure absorbing layer 140
For hard transparent material, color 120 top of film layer is fixed on by sealant 130.
Above-mentioned steps are illustrated one by one below in conjunction with attached drawing.
In step s 110, substrate (not shown) is provided.Specifically, the substrate can be made of hard material,
Such as one of hard materials such as glass, metal, resin or a variety of combinations；It is also possible to flexible base board, such as polymer
Material, the specific can be that polyimides (PI), polyethylene terephthalate (PET) etc..
In the step s 120, referring to fig. 2, rectangular at tft layer 110 on the substrate.The thin film transistor (TFT)
Layer 110 is located above the substrate, the integrated circuit usually made on semiconductor material, including gate electrode, gate insulation layer, half
The composition such as conductor active layer i, ohmic contact layer, source-drain electrode and protective film；The structure and production method of tft layer 110
It is the mature technology of this field, details are not described herein.
In step s 130, referring to Fig. 3, color film layer 120, the coloured silk film are formed above the tft layer 110
Layer 120 is located at 110 top of tft layer, is that touch control display apparatus can show colored key structure, usually wraps
The structures such as light shield layer, RGB coloring layer, transparent conductive film are included, for utilizing the side to filter under the control of tft layer 110
Formula generates red, green, blue three primary colours, then three primary colours are blended to produce to various colors in varing proportions, so that LCD is shown colour, together
When also play a crucial role to performances such as the wide viewing angle of display device, brightness, resolution ratio.The structure of color film layer 120 is this field
Mature technology, details are not described herein.In addition, the tft layer 110 and color film layer 120 are bonded by sealant 130,
Liquid crystal layer is sealed between the color film layer 120 and the tft layer 110.
In step S140, pressure absorbing layer 140 is formed above the color film layer 120.Wherein, the pressure absorbing layer
140 be hard transparent material, such as polymethyl methacrylate, polystyrene, polycarbonate resin, ABS resin and sodium calcium glass
Any one in glass.Pressure absorbing layer in view of influence of the cost problem to scale of mass production of material, in the present embodiment
140 be soda-lime glass.
Preferably, referring to Fig. 6, in another embodiment of the present invention, the pressure absorbing layer 141 is tabular knot
Structure, wherein the slab construction surface adjacent with tft layer 110 is the smooth arc to raise upward.It is furthermore preferred that
The slab construction surface adjacent with touch-control sensing layer 170 is the smooth arc to raise upward.Arcuate structure is compared to plate
Structure can more effective absorption pressure, reduce influence of the touch-control to color film layer 120 and liquid crystal layer, but opposite, manufacture
Technique is relative complex, and cost is also higher.Suitable structure can be selected as needed in practice, for example, for wishing as far as possible
The display device for reducing thickness can use the pressure absorbing layer of arcuate structure, and for wishing the display of reduction cost as far as possible
Device can use the pressure absorbing layer of slab construction.
It preferably, further include light compensation layer above the pressure absorbing layer, for compensation pressure absorbed layer to light source
It absorbs and scatters.It absorbs and reflects this is because pressure absorbing layer 140 can inevitably generate light, lead to light luminance
Decrease to some degree, angle also have certain diverging or gather, this depends on tool used in pressure absorbing layer 140
Body material and shape structure.If influence of the pressure absorbing layer 140 to light, than more serious, that just must be by adding additionally
Light compensation layer is corrected.The light compensation layer is to refractive properties and the pressure absorbing layer 140 of light on the contrary, its shape
Shape and material can be selected as needed, and details are not described herein.
Finally, forming touch-control sensing layer 170 above the pressure absorbing layer 140, wherein described in step S150
Pressure absorbing layer 140 is hard transparent material, is fixed on color 120 top of film layer by sealant 130.It is described in the present embodiment
Touch-control sensing layer 170 is flexible capacitance type touch-control sensing structure.This is because itself is just for non-flexible touch-control sensing structure
The pressure generated when eliminating touch control operation can be absorbed, without additional addition pressure absorbing layer.
The present invention passes through touch-control sensing layer in operation and applies by pasting plus-pressure absorbed layer, absorption user above color film layer
The stress being added on color film layer and liquid crystal layer weakens the color membrane structure of corresponding region and the variation of liquid crystal structure, eliminates touch-control pressure
Influence of the power to liquid crystal molecule rotation status enhances user experience to eliminate washmarking phenomenon.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of touch control display apparatus characterized by comprising
Substrate；
Tft layer above the substrate；
Color film layer above the tft layer；
Pressure absorbing layer above the color film layer；
Touch-control sensing layer above the pressure absorbing layer；Wherein, the pressure absorbing layer is hard transparent material, is passed through
Sealant is fixed on above color film layer.
2. touch control display apparatus according to claim 1, which is characterized in that the pressure absorbing layer is plate-like structure,
Wherein, the slab construction surface adjacent with tft layer is the smooth arc to raise upward.
3. touch control display apparatus according to claim 1, which is characterized in that the pressure absorbing layer is plate-like structure,
Wherein, the slab construction surface adjacent with touch-control sensing layer is the smooth arc to raise upward.
4. touch control display apparatus according to claim 1, which is characterized in that the pressure absorbing layer is polymethylacrylic acid
Any one in methyl esters, polystyrene, polycarbonate resin, ABS resin and soda-lime glass.
5. touch control display apparatus according to claim 1, which is characterized in that further include light above the pressure absorbing layer
Compensation layer, absorption and scattering for compensation pressure absorbed layer to light source.
6. touch control display apparatus according to claim 1, which is characterized in that the touch-control sensing layer is flexible capacitance type touching
Control induction structure.
7. a kind of manufacturing method of touch control display apparatus, which comprises the following steps:
Substrate is provided；
It is rectangular at tft layer on the substrate；
Color film layer is formed above the tft layer；
Pressure absorbing layer is formed above the color film layer；
Touch-control sensing layer is formed above the pressure absorbing layer, wherein the pressure absorbing layer is hard transparent material, is passed through
Sealant is fixed on above color film layer.
8. the manufacturing method of touch control display apparatus according to claim 7, which is characterized in that the pressure absorbing layer is flat
Plate structure, wherein the slab construction surface adjacent with tft layer is the smooth arc to raise upward.
9. the manufacturing method of touch control display apparatus according to claim 7, which is characterized in that the pressure absorbing layer is flat
Plate structure, wherein the slab construction surface adjacent with touch-control sensing layer is the smooth arc to raise upward.
10. the manufacturing method of touch control display apparatus according to claim 7, which is characterized in that the pressure absorbing layer is
Any one in polymethyl methacrylate, polystyrene, polycarbonate resin, ABS resin and soda-lime glass.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135227.1A CN109189272B (en) | 2018-09-28 | 2018-09-28 | Touch display device and manufacturing method thereof |
| PCT/CN2019/075035 WO2020062756A1 (en) | 2018-09-28 | 2019-02-14 | Touch display device and fabrication method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135227.1A CN109189272B (en) | 2018-09-28 | 2018-09-28 | Touch display device and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109189272A true CN109189272A (en) | 2019-01-11 |
| CN109189272B CN109189272B (en) | 2021-01-15 |
Family
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| CN201811135227.1A Active CN109189272B (en) | 2018-09-28 | 2018-09-28 | Touch display device and manufacturing method thereof |
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| CN (1) | CN109189272B (en) |
| WO (1) | WO2020062756A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN109189272B (en) | 2021-01-15 |
| WO2020062756A1 (en) | 2020-04-02 |
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