CN106095190A - In cell touch-control display panel and display packing thereof and manufacture method - Google Patents

In cell touch-control display panel and display packing thereof and manufacture method Download PDF

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Publication number
CN106095190A
CN106095190A CN201610497302.3A CN201610497302A CN106095190A CN 106095190 A CN106095190 A CN 106095190A CN 201610497302 A CN201610497302 A CN 201610497302A CN 106095190 A CN106095190 A CN 106095190A
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CN
China
Prior art keywords
wire
public electrode
display panel
control display
cell touch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610497302.3A
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Chinese (zh)
Inventor
王海宏
崔晓晨
曹焜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing CEC Panda LCD Technology Co Ltd
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Nanjing CEC Panda LCD Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing CEC Panda LCD Technology Co Ltd filed Critical Nanjing CEC Panda LCD Technology Co Ltd
Priority to CN201610497302.3A priority Critical patent/CN106095190A/en
Publication of CN106095190A publication Critical patent/CN106095190A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/13338Input devices, e.g. touch panels
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04112Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

The present invention provides a kind of In cell touch-control display panel, and display packing and manufacture method, In cell touch-control display panel includes: multiple scan lines, multiple data wires, multiple pixel regions, it is provided with pixel electrode in each pixel region, and it is arranged on each scan line and the first TFT switch of each data wire infall, also include: and the horizontal public electrode wire between adjacent scanning lines, longitudinal public electrode wire between adjacent two data line, it is positioned at the holding wire that viewing area is peripheral and parallel with data wire, and it is positioned at the second TFT switch that viewing area is peripheral, wherein, this second TFT switch includes: the grid connected with corresponding scan line, the source electrode being connected with holding wire, and with corresponding horizontal public electrode wire connect drain electrode.The present invention increases holding wire and a newly-increased TFT switch, and increases a TFT newly at its interconnecting part with every scan line;The present invention realizes the effect of narrow frame, and reduces process complexity as far as possible.

Description

In-cell touch-control display panel and display packing thereof and manufacture method
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of In-cell touch-control display panel and display packing thereof and Manufacture method.
Technical background
In-cell technology is the existing market wide variety of touch technology of small size panel.In-cell refers to touch surface Plate function is embedded into the method in liquid crystal pixel.
When designing In-cell contact panel, when using projection-type-mutual tolerance touch technology, as it is shown in figure 1, contact panel TFT side ITO be fabricated to transverse electrode and longitudinal electrode, what two arrays of electrodes intersected local forms electric capacity, sends out during by touching When raw capacitance changes the position calculating touch point, generally at the touching signals circuit 2 that the outer increase in A-A region 1 is extra.
According to the difference of design, touching signals circuit 2 and contact panel periphery All other routes, such as initial holding wire, scanning The arrangement mode driving line is divided into two kinds: as in figure 2 it is shown, one is laid out in parallel mode, type-setting mode arranged side by side takes up room relatively Greatly, it is impossible to realize narrow frame;As it is shown on figure 3, one is superposition arrangement mode, superposition arrangement can increase a layer insulating, together Light shield, processing procedure complicates.
Summary of the invention
It is an object of the invention to provide a kind of realize narrow border effect, reduce complex process In-cell touch-control show Panel and display packing thereof and manufacture method.
The present invention provides a kind of In-cell touch-control display panel, comprising: crisscross multiple scan lines and many numbers According to line, enclosed by the plurality of scan line and data wire set the multiple pixel regions formed, each pixel region in be provided with pixel electrode, And be arranged on each scan line and the first TFT switch of each data wire infall, also include: be positioned at adjacent scanning lines it Between horizontal public electrode wire, longitudinal public electrode wire between adjacent two data line, to be positioned at viewing area peripheral And the holding wire parallel with data wire and be positioned at the second TFT switch that viewing area is peripheral, wherein, this second TFT switch bag Include: the source electrode being connected with holding wire with the grid of corresponding scan line connection and the leakage being connected with corresponding horizontal public electrode wire Pole.
The present invention provides again the display packing of a kind of In-cell touch-control display panel, comprises the steps:
S1: holding wire applies direct current VcomVoltage, holding wire is by the second TFT switch transmission VcomVoltage is to horizontal common electrical Polar curve, In-cell touch-control display panel normally shows.
S2: holding wire applies alternating voltage, and the second TFT switch is opened, and holding wire is by the second TFT switch transmission exchange letter Number to horizontal public electrode wire, horizontal public electrode wire sends pumping signal successively, and longitudinal public electrode wire receives excitation simultaneously Signal, obtains all horizontal public electrode wires and the capacitance size of longitudinal public electrode wire intersection, according to capacitance variations number According to amount, calculate the coordinate of each touch point.
The present invention provides again the manufacture method of a kind of In-cell touch-control display panel, comprises the steps:
The first step: form scan line and the public electrode cabling being positioned at outside viewing area;
Second step: form gate insulator in scan line;
3rd step: be formed with active layer;
4th step: form the data wire vertical with scan line and be positioned at outside viewing area and the letter parallel with data wire Number line;
5th step: form the first insulating barrier;
6th step: form longitudinal common electrode contact hole on the first insulating barrier;
7th step: form crisscross horizontal public electrode and longitudinal public electrode wire;
8th step: form the second insulating barrier;
9th step: form the pixel electrode hole being connected with data wire over the second dielectric and formed with holding wire even The horizontal common electrode contact hole connect;
Tenth step: form pixel electrode.
The present invention increases holding wire and a newly-increased TFT switch, and increases one newly at its interconnecting part with every scan line Individual TFT;The present invention realizes the effect of narrow frame, and reduces process complexity as far as possible.
Accompanying drawing explanation
Fig. 1 is the structural representation of the touching signals circuit of the TFT side of existing In-cell contact panel;
Fig. 2 be touching signals circuit shown in Fig. 1 be the structural representation of laid out in parallel mode;
Fig. 3 be touching signals circuit shown in Fig. 1 be the structural representation of superposition arrangement mode;
Fig. 4 is the structural representation of In-cell touch-control display panel of the present invention;
Fig. 5 is the schematic diagram when normal work of the In-cell touch-control display panel shown in Fig. 3;
Fig. 6 is the In-cell touch-control display panel schematic diagram when touch-control works shown in Fig. 3;
Detailed description of the invention
When manufacturing In-cell touch-control display panel, when using projection-type-mutual tolerance touch technology, the TFT side at panel is used ITO is fabricated to transverse electrode and longitudinal electrode, the local formation electric capacity that two arrays of electrodes intersects, and occurs capacitance to change during by touching When becoming the position calculating touch point, it usually needs increase extra touching signals circuit.
The present invention provides a kind of In-cell touch display panel, as shown in Figure 4, this In-cell touch-control display panel bag Include: crisscross multiple scan lines 1 and multiple data wire 2, active layer (not shown), by the plurality of scan line 1 and data wire 2 Enclose and be provided with pixel electrode 3 in setting multiple pixel regions of formation, each pixel region, be arranged on each scan line 1 and every number According to line 2 infall the first TFT switch 4 and the horizontal public electrode wire 5 between adjacent scanning lines 1, be positioned at adjacent two Longitudinal public electrode wire 6 between data wire 2, be positioned at viewing area peripheral and the holding wire 7 parallel with data wire 2 and It is positioned at multiple second TFT switch 8 that viewing area is peripheral.
Wherein, the first TFT switch 4 includes: the grid connected with corresponding scan line 1, connects with corresponding data wire 2 Source electrode and the drain electrode connected with corresponding pixel electrode 3;Second TFT switch 8 includes: the grid connected with corresponding scan line 1 Source electrode that pole is connected with holding wire 7 and the drain electrode being connected with horizontal public electrode 5.
Holding wire 7 concurrently forms with data wire 2;Also include being positioned at periphery, viewing area and concurrently forming with scan line 1 Public electrode cabling (not shown), the connection corresponding with this public electrode cabling of longitudinal public electrode wire 6;Laterally public electrode wire 5 concurrently form with longitudinal public electrode wire 6, detect touch point by this horizontal public electrode wire 5 and longitudinal public electrode 6.
The present invention is by newly-increased second TFT switch 8, and this second TFT switch 8 is positioned at this In-cell touch-control display panel Outside viewing area, this second TFT switch 8 is different at raceway groove W/L (width/height) ratio from the first TFT switch 4, controls the 2nd TFT Switch 8 carries out AC signal transmission, and AC signal is transferred to horizontal public electrode wire 5 by the way of punching, is positioned at aobvious Showing outside region, scan line 1, holding wire 7, horizontal public electrode wire 6 and the second TFT switch 8 form touch-control circuit 10.
As it is shown in figure 1, utilize the horizontal public electrode wire 5 of In-cell touch-control display panel and longitudinal public electrode wire 6 to enter The location of position, row touch point.
As it is shown in figure 5, the display stage, apply direct current V to holding wire 7comVoltage, holding wire 7 is passed by the second TFT switch 8 Defeated VcomVoltage does not works to horizontal public electrode wire 5, touch-control circuit 10, and In-cell touch-control display panel normally shows.
As shown in Figure 6, in the touch-control stage, applying ac high-frequency voltage to holding wire 7, holding wire 7 is by second switch TFT8 Transmission AC signal is to horizontal public electrode wire 5, and horizontal public electrode wire 5 sends pumping signal, longitudinal public electrode wire 6 successively Receive pumping signal simultaneously, obtain all horizontal public electrode wires 6 and the capacitance size of longitudinal public electrode wire 5 intersection, According to capacitance variations data volume, calculate the coordinate of each touch point.
0V voltage signal, inserting black picture is applied, it is to avoid the impact that AC signal counter plate normally shows to data wire 2.
The present invention also provides for the display packing of a kind of In-cell touch-control display panel, comprises the steps:
S1: holding wire 7 applies direct current VcomVoltage, holding wire 7 is by the second TFT switch transmission VcomVoltage is to the most public Electrode wires 5, touch-control circuit 10 does not works, and In-cell touch-control display panel normally shows.
S2: holding wire 7 applies ac high-frequency voltage, and the second TFT switch 8 is opened, and holding wire 7 is passed by the second TFT switch 8 Defeated AC signal is to horizontal public electrode wire 5, and horizontal public electrode wire 5 sends pumping signal successively, and longitudinal public electrode wire 6 is same Time receive signal, obtain all horizontal public electrode wire 6 and the capacitance size of longitudinal public electrode wire 5 intersection, according to electricity Hold delta data amount, calculate the coordinate of each touch point.
While step S2, data wire 2 applies 0V voltage signal, inserting black picture, it is to avoid AC signal counter plate is just The often impact of display.
Referring to Fig. 1, the present invention also provides for the manufacture method of a kind of In-cell touch-control display panel, comprises the steps:
The first step: form scan line 1 and the public electrode cabling (not shown) being positioned at outside viewing area;
This public electrode cabling is used for connecting longitudinal public electrode wire 6.
Second step: form gate insulator in scan line 1;
3rd step: be formed with active layer;
4th step: form the data wire 2 vertical with scan line 1 and be positioned at outside viewing area and parallel with data wire 2 Holding wire 7;
5th step: form the first insulating barrier;
6th step: form longitudinal common electrode contact hole (not shown) on the first insulating barrier;
7th step: form crisscross horizontal public electrode 5 and longitudinal public electrode wire 6;
8th step: form the second insulating barrier;
9th step: form the pixel electrode hole being connected with data wire 2 over the second dielectric and formed with holding wire even The horizontal common electrode contact hole 11 connect;
Tenth step: form pixel electrode 3.
Longitudinal public electrode wire 6 and public electrode cabling is connected by longitudinal common electrode contact hole;By the most public Electrode contact hole 11 connects horizontal public electrode wire 6 and the drain electrode of the second TFT switch 8;The drain electrode and second of the first TFT switch 4 The drain electrode of TFT switch 8 all concurrently forms with pixel electrode 3.
Being realized the effect of narrow frame by the present invention, and reduce process complexity as far as possible, the present invention increases holding wire with new Increase a TFT switch, and increase a TFT newly at its interconnecting part with every scan line.
The preferred embodiment of the present invention described in detail above, but the present invention is not limited in above-mentioned embodiment Detail, in the technology concept of the present invention, can carry out multiple equivalents to technical scheme, these Equivalents belongs to protection scope of the present invention.

Claims (9)

1. an In-cell touch-control display panel, comprising: crisscross multiple scan lines and multiple data wire, many by this Individual scan line and data wire enclose in setting multiple pixel regions of formation, each pixel region and are provided with pixel electrode and are arranged on Each scan line and the first TFT switch of each data wire infall, it is characterised in that also include: be positioned at adjacent scanning lines Between horizontal public electrode wire, longitudinal public electrode wire between adjacent two data line, to be positioned at viewing area peripheral And the holding wire parallel with data wire and be positioned at the second TFT switch that viewing area is peripheral, wherein, this second TFT switch Including: the source electrode that is connected with holding wire of grid that connects with corresponding scan line and it is connected with corresponding horizontal public electrode wire Drain electrode.
In-cell touch-control display panel the most according to claim 1, comprising: described first TFT switch includes: with right The grid that the scan line answered connects, the source electrode connected with corresponding data wire and the drain electrode being connected with corresponding pixel electrode.
In-cell touch-control display panel the most according to claim 1, comprising: described holding wire and data wire shape simultaneously Become.
In-cell touch-control display panel the most according to claim 1, comprising: also include being positioned at viewing area peripheral and The public electrode cabling concurrently formed with scan line, described longitudinal public electrode wire is corresponding with this public electrode cabling to be connected.
In-cell touch-control display panel the most according to claim 1, comprising: described horizontal public electrode wire and longitudinal direction Public electrode wire concurrently forms.
In-cell touch-control display panel the most according to claim 1, comprising: also include active layer.
7. the display packing of the arbitrary described In-cell touch-control display panel of claim 1-6, it is characterised in that: include walking as follows Rapid:
S1: holding wire applies direct current VcomVoltage, holding wire is by the second TFT switch transmission VcomVoltage is to horizontal public electrode Line, In-cell touch-control display panel normally shows.
S2: holding wire applies alternating voltage, and the second TFT switch is opened, and holding wire is by the second TFT switch transmission AC signal extremely Laterally public electrode wire, horizontal public electrode wire sends pumping signal successively, and longitudinal public electrode wire receives pumping signal simultaneously, Obtain all horizontal public electrode wires and the capacitance size of longitudinal public electrode wire intersection, according to capacitance variations data volume, Calculate the coordinate of each touch point.
The display packing of In-cell touch-control display panel the most according to claim 7, it is characterised in that:
While step S2, data wire applies 0V voltage signal.
9. the manufacture method of the arbitrary described In-cell touch-control display panel of claim 1-6, it is characterised in that: include walking as follows Rapid:
The first step: form scan line and the public electrode cabling being positioned at outside viewing area;
Second step: form gate insulator in scan line;
3rd step: be formed with active layer;
4th step: form the data wire vertical with scan line and be positioned at outside viewing area and the holding wire parallel with data wire;
5th step: form the first insulating barrier;
6th step: form longitudinal common electrode contact hole on the first insulating barrier;
7th step: form crisscross horizontal public electrode and longitudinal public electrode wire;
8th step: form the second insulating barrier;
9th step: form the pixel electrode hole that is connected with data wire over the second dielectric and formation is connected with holding wire Laterally common electrode contact hole;
Tenth step: form pixel electrode.
CN201610497302.3A 2016-06-29 2016-06-29 In cell touch-control display panel and display packing thereof and manufacture method Pending CN106095190A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610497302.3A CN106095190A (en) 2016-06-29 2016-06-29 In cell touch-control display panel and display packing thereof and manufacture method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107193419A (en) * 2017-05-25 2017-09-22 厦门天马微电子有限公司 A kind of array base palte and its application method, display panel, display device
CN108111648A (en) * 2017-12-21 2018-06-01 上海闻泰电子科技有限公司 Narrow frame touch screen corded arrangement and mobile phone
CN109491547A (en) * 2018-12-25 2019-03-19 福建华佳彩有限公司 It is a kind of novel from appearance In-cell display screen touch-control structure
CN110231728A (en) * 2019-05-23 2019-09-13 武汉华星光电技术有限公司 Embedded touch screen liquid crystal display

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CN102830879A (en) * 2012-08-17 2012-12-19 北京京东方光电科技有限公司 Embedded type touch screen
CN103376608A (en) * 2012-04-25 2013-10-30 乐金显示有限公司 Liquid crystal display device and method for manufacturing the same
WO2015158097A1 (en) * 2014-04-14 2015-10-22 京东方科技集团股份有限公司 Display panel and driving method therefor and display device
CN105549792A (en) * 2016-02-05 2016-05-04 上海天马微电子有限公司 Array substrate and display panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103376608A (en) * 2012-04-25 2013-10-30 乐金显示有限公司 Liquid crystal display device and method for manufacturing the same
CN102830879A (en) * 2012-08-17 2012-12-19 北京京东方光电科技有限公司 Embedded type touch screen
WO2015158097A1 (en) * 2014-04-14 2015-10-22 京东方科技集团股份有限公司 Display panel and driving method therefor and display device
CN105549792A (en) * 2016-02-05 2016-05-04 上海天马微电子有限公司 Array substrate and display panel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107193419A (en) * 2017-05-25 2017-09-22 厦门天马微电子有限公司 A kind of array base palte and its application method, display panel, display device
CN107193419B (en) * 2017-05-25 2020-03-10 厦门天马微电子有限公司 Array substrate, application method thereof, display panel and display device
CN108111648A (en) * 2017-12-21 2018-06-01 上海闻泰电子科技有限公司 Narrow frame touch screen corded arrangement and mobile phone
CN108111648B (en) * 2017-12-21 2020-11-10 上海闻泰电子科技有限公司 Narrow-frame touch screen connection scheme and mobile phone
CN109491547A (en) * 2018-12-25 2019-03-19 福建华佳彩有限公司 It is a kind of novel from appearance In-cell display screen touch-control structure
CN109491547B (en) * 2018-12-25 2024-04-12 福建华佳彩有限公司 Touch structure of self-contained In-cell display screen
CN110231728A (en) * 2019-05-23 2019-09-13 武汉华星光电技术有限公司 Embedded touch screen liquid crystal display

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