CN204087150U - Embedded organic light-emitting diode touch display panel structure with metal induction layer - Google Patents
Embedded organic light-emitting diode touch display panel structure with metal induction layer Download PDFInfo
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- CN204087150U CN204087150U CN201420422116.XU CN201420422116U CN204087150U CN 204087150 U CN204087150 U CN 204087150U CN 201420422116 U CN201420422116 U CN 201420422116U CN 204087150 U CN204087150 U CN 204087150U
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Abstract
The utility model provides an embedded organic light emitting diode touch-control display panel structure of utensil metal response layer, including an upper substrate, a base plate, a light shield layer, an induction electrode layer, an organic light emitting diode layer, and a thin film transistor layer. The upper substrate and the lower substrate are arranged in parallel and in pairs, and an organic light emitting diode layer is clamped between the two substrates. The light shielding layer is arranged on the surface of one side of the upper substrate facing the organic light emitting diode layer and is composed of a plurality of light shielding lines. The induction electrode layer is positioned on the surface of one side of the shading layer facing the organic light-emitting diode layer and consists of a plurality of induction conductor lines; the positions of the plurality of induction conductor lines are arranged corresponding to the positions of the plurality of shading lines of the shading layer.
Description
Technical field
The utility model is about a kind of structure with the display screen of touch pad, espespecially a kind of embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer.
Background technology
In the flat-panel screens of numerous kinds, organic light emitting diode display technology (Organic Light Emitting Diode, OLED) is the emerging flat panel display technology of great potential.OLED delivered by Kodak of the U.S. (Eastman Kodak Co.) company for 1987.Therefore the characteristics such as it has that thickness is thin, lightweight, autoluminescence, low driving voltage, high-level efficiency, high-contrast, high color saturation, reaction velocity are fast, deflection are display techniques quite good after TFT-LCD.
Mobile Communications, digital product and the Digital Television demand to high image quality, full-color flat display increases rapidly in recent years.OLED display not only has frivolous, the power saving of LCD and the advantage of full-color display, has more the characteristic faster than the better wide viewing angle of LCD, active illuminating, reaction velocity.
Fig. 1 is a known Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) schematic diagram of display essential structure, this Organic Light Emitting Diode (OLED) display 100 comprises a cathode layer 110, one Organic Light Emitting Diode layer 120, one anode layer 130, one tft layer 140, one infrabasal plate 150, and the structural sheet such as upper substrate 160, wherein this Organic Light Emitting Diode layer 120 also comprises transmission sublayer, an electric hole (hole transporting layer, HTL) 121, one luminescent layer (emitting layer) 123, and an electric transmission sublayer (electron transporting layer, HTL) 125.
The principle of luminosity of Organic Light Emitting Diode is the effect by extra electric field, electronics, electric hole are injected from cathode layer 110, anode layer 130 respectively, electricity hole, after transmission sublayer, electric hole 121, electronics pass through electric transmission sublayer 125, enters the luminescent layer 123 with fluorescent characteristic.Then combine in inside and produce excitation photon, excitation photon is with getting back to ground state (Ground state) by fault offset, and the energy be released can produce the light of different colours according to different luminescent materials, and create the luminescence phenomenon of OLED.
Known touch control type planar display be contact panel and flat-panel screens are directly carried out upper and lower superimposed, because superimposed contact panel is transparent panel, therefore image can penetrate the contact panel show image be superimposed on, then by contact panel as the medium inputted or interface.But this known technology, because when superimposed, the complete weight of a contact panel must be increased, flat-panel screens weight is increased significantly, not meet current market for the compact requirement of display.And when direct superimposed contact panel and flat-panel screens, not only increase the thickness of contact panel itself, also reduce the penetrance of light, and increase reflectivity and mist degree, the quality of screen display is had a greatly reduced quality.
For aforesaid shortcoming, touch control type planar display changes adopts embedded type touch control technology.The main at present developing direction of embedded type touch control technology can be divided into On-Cell and In-Cell two kinds of technology.The technology of On-Cell Touch be then be first made in the induction installation (Sensor) of contact panel on film, then be fitted in upper substrate glass on or directly use transparent conductive material (ITO) to be made in upper substrate.In-Cell Touch technology is then be integrated within display panel by touch control component, display panel is made inherently to possess touch controllable function, therefore do not need the technique of carrying out in addition fitting with contact panel or assembling, this kind of technology is all developed by display panel factory usually.
On-Cell Touch technology is all above the top glass substrate of display panel, arrange induction electrode layer or use upper substrate to increase touch-control sensing electrode; Not only increase cost, also increase process, easily cause process yields reduction and process costs to rise violently.Therefore, the space that known organic LED display panel respective outer side edges On-Cell Touch is still improved.
Utility model content
Fundamental purpose of the present utility model is in the embedded Organic Light Emitting Diode touch display panel structure providing a kind of tool metal inductive layer, significantly can increase penetrability, and reduce display panel weight and thickness, can significantly save material cost and processing cost simultaneously.
According to a characteristic of the present utility model, the utility model proposes the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer, include a upper substrate, an infrabasal plate, a light shield layer, an induction electrode layer, an Organic Light Emitting Diode layer and a tft layer.This Organic Light Emitting Diode layer is folded between two substrates to be parallel-laid into right configuration by this upper substrate and this infrabasal plate.This light shield layer is positioned at the surface regarding to the side of this Organic Light Emitting Diode layer of this upper substrate, and this light shield layer is made up of many shading lines.This induction electrode layer is positioned at the surface regarding to the side of Organic Light Emitting Diode layer of this light shield layer, and this induction electrode layer is made up of many sensor conductor lines.This tft layer is positioned at the surface regarding to the side of this Organic Light Emitting Diode layer of this infrabasal plate; Wherein, the position of these many sensor conductor lines is the position of these many shading lines corresponding to this light shield layer and arranges.
The beneficial effects of the utility model are, it significantly can increase penetrability, and reduce display panel weight and thickness, can significantly save material cost and processing cost simultaneously.
Accompanying drawing explanation
For further illustrating technology contents of the present utility model, be described in detail as follows below in conjunction with embodiment and accompanying drawing, wherein:
Fig. 1 is the schematic diagram of a known organic light emitting diode display essential structure.
Fig. 2 is the schematic perspective view of the embedded Organic Light Emitting Diode touch display panel structure of a kind of tool metal inductive layer of the present utility model.
Fig. 3 is the schematic diagram of generally known light shield layer.
Fig. 4 is the schematic diagram of the utility model induction electrode layer.
Fig. 5 is the schematic diagram of the utility model light shield layer and induction electrode layer.
Fig. 6 is another schematic perspective view of the embedded Organic Light Emitting Diode touch display panel structure of a kind of tool metal inductive layer of the present utility model.
Embodiment
The utility model is the embedded Organic Light Emitting Diode touch display panel structure about a kind of tool metal inductive layer.Fig. 2 shows the schematic perspective view of the embedded Organic Light Emitting Diode touch display panel structure 200 of a kind of tool metal inductive layer of the present utility model, as shown in the figure, the embedded Organic Light Emitting Diode touch display panel structure 200 of this tool metal inductive layer includes a upper substrate 210, one infrabasal plate 220, one Organic Light Emitting Diode layer 230, one light shield layer (black matrix) 240, one induction electrode layer 250, one chromatic filter layer (color filter) 260, one protective seam (over coat) 270, one cathode layer 280, one anode layer 290, and a tft layer 300.
This upper substrate 210 and this infrabasal plate 220 are preferably glass substrate, and this Organic Light Emitting Diode layer 230 is folded in two substrates 210, between 220 to be parallel-laid into right configuration by this upper substrate 210 and this infrabasal plate 220.
This light shield layer (black matrix) 240 is the surfaces of the side in the face of Organic Light Emitting Diode layer 230 being positioned at this upper substrate 210, and this light shield layer 240 is made up of many shading lines.
Fig. 3 is the schematic diagram of general known light shield layer 240.As shown in Figure 3, known light shield layer 240 forms many shading lines 241 by the lines of lighttight black isolation material, many shading lines 241 of described black isolation material are orthogonally distributed in this known light shield layer, therefore this known light shield layer is called as black matrix (black matrix).243, region between described black isolation material lines is distributed with chromatic filter layer (color filter).
The utility model arranges an induction electrode layer 250 between known light shield layer 240 and chromatic filter layer (color filter) 260, and the touch pattern structure of implantation induction thereon, so, then without the need to arranging induction electrode layer in the top glass substrate of display panel or lower glass substrate, reduce costs accordingly, reduce process, lifting process yield and reduction process costs.
Fig. 4 is the schematic diagram of the utility model induction electrode layer 250.As shown in Figure 4, this induction electrode layer 250 is positioned at the surface of the side in the face of Organic Light Emitting Diode layer 230 of this light shield layer 240, this induction electrode layer 250 is made up of many sensor conductor lines 410,420, wherein, the position of these many sensor conductor lines 410,420 is the position of these many shading lines 241 corresponding to this light shield layer 240 and arranges.
As shown in Figure 4, these many sensor conductor lines 410,420 of this induction electrode layer 250 arrange with a first direction (X) and a second direction (Y).Wherein, this first direction is vertical second direction.These many sensor conductor lines 410,420 of this induction electrode layer 250 are made by the metal material conducted electricity or alloy material.Wherein, this conductive metallic material or alloy material be for following one of them: chromium, barium, aluminium, silver, copper, titanium, nickel, tantalum, cobalt, tungsten, magnesium (Mg), calcium (Ca), potassium (K), lithium (Li), indium (In) and alloy thereof.
These many sensor conductor lines 410,420 are divided into one first group of sensor conductor line 410 and one second group of sensor conductor line 420, and this first group of sensor conductor line 410 forms N number of polygonal mesh region 411-41N, and wherein, N is positive integer.Sensor conductor line in each polygonal mesh region is electrically connected together, and do not connect between any two polygonal mesh regions, to be formed with individual layer induction touch pattern structure at this induction electrode layer 250.
Wherein, this polygonal mesh region 411-41N be for following shape one of them: triangle, rectangle, square, rhombus, pentagon, sexangle, octagon, circle.In the present embodiment, this N number of polygonal mesh region 411-41N take rectangle as example, and the position of many sensor conductor lines is the position of these many shading lines 241 corresponding to this light shield layer 240 and arranges.
This second group of sensor conductor line 420 forms N bar cabling 421-42N, and each cabling of this N bar cabling is that the polygonal mesh region 411-41N corresponding with is electrically connected, and does not connect between each cabling 431-43N.
Fig. 5 is the schematic diagram of the utility model light shield layer 240 and induction electrode layer 250.As shown in Figure 5, schematic diagram when its light shield layer 240 is superimposed with induction electrode layer 250, it is looked over from this Organic Light Emitting Diode layer 230 toward this first substrate 210 direction.
This first group of sensor conductor line 410 and this second group of sensor conductor line 420 is connected accordingly.Therefore, this first group of sensor conductor line 410 can be formed with individual layer induction touch pattern structure at this induction electrode layer 250.The better live width being less than or equal to these many shading lines 241 of live width of this first group of sensor conductor line 410 and this second group of sensor conductor line 420, when being seen from this first substrate 210 toward this Organic Light Emitting Diode layer 230 direction, this first group of sensor conductor line 410 and this second group of sensor conductor line 420 can cover by these many shading lines 241, user only can see this many shading lines 241, can not see this first group of sensor conductor line 410 and this second group of sensor conductor line 420.
This chromatic filter layer (color filter) 260 is between many shading lines 241 of this light shield layer 240 and the surface of many shading lines 241.
This protective seam (over coat) 270 is positioned at the surface of this chromatic filter layer (color filter) 260.
This tft layer 300 is positioned at the surface of the side towards this Organic Light Emitting Diode layer (OLED) 230 of this infrabasal plate 220.This tft layer has K bar raster data model line and L bar source drive line, according to a display drive signals and a display pixel signal, to drive pixel driven transistor and the pixel capacitance of corresponding pixel-driving circuit 301, and then perform display operation, wherein, K, L are positive integer.The position of this K bar raster data model line and L bar source drive line is according to corresponding with the position of these many shading lines 241 of this light shield layer (black matrix) 240 and arrange.
This tft layer 300, except having many raster data model lines and many source drive lines, also comprises multiple pixel-driving circuit 301.This tft layer 300, according to a display pixel signal and a display drive signals, in order to drive corresponding pixel-driving circuit 301, and then performs display operation.
According to the difference that pixel-driving circuit 301 designs, such as 2T1C is that to design pixel-driving circuit 301,6T2C by 2 thin film transistor (TFT)s and 1 storage capacitors be design pixel-driving circuit 301 by 6 thin film transistor (TFT)s and 2 storage capacitors.In pixel-driving circuit 301, the grid 3011 of the rarest thin film transistor (TFT) is connected to a raster data model line (not shown), according to the difference of driving circuit design, in control circuit, the drain/source 3013 of the rarest thin film transistor (TFT) is connected to a source drive line (not shown), and in pixel-driving circuit 301, the drain/source 3015 of the rarest thin film transistor (TFT) is connected to anode pixels electrode 291 corresponding in this anode layer 290 one.
This cathode layer 280 is positioned at the side towards this Organic Light Emitting Diode layer 230 of this upper substrate 210.Meanwhile, this cathode layer 280 is between this upper substrate 210 and this Organic Light Emitting Diode layer 230.This cathode layer 280 formed by conductive metal material.Preferably, this cathode layer 280 is that the metal material being less than 50 how rice (nm) by thickness formed, this metal material be selected from following group one of them: aluminium (Al), silver (Ag), magnesium (Mg), calcium (Ca), potassium (K), lithium (Li), indium (In), and alloy or use lithium fluoride (LiF), magnesium fluoride (MgF
2), Lithia (LiO) and Al combine.Because the thickness of this cathode layer 280 is less than 50nm, the light that therefore this Organic Light Emitting Diode layer 230 produces still can penetrate this cathode layer 280, and can on upper substrate 210 show image.This cathode layer 280 is that full wafer is electrically connected, and therefore can be used as the use of shielding (shielding).Meanwhile, this cathode layer 280 also receives by the electric current of anode pixels electrode 291.
This anode layer 290 is positioned at the side towards this Organic Light Emitting Diode layer 230 of this tft layer 300.This anode layer 290 has multiple anode pixels electrode 291.Each anode pixels electrode 291 is corresponding with a pixel driven transistor of this pixel-driving circuit 301 of this tft layer 300, that is each anode pixels electrode of the plurality of anode pixels electrode connects with the source/drain 3013 of this pixel driven transistor of this corresponding pixel-driving circuit 301, to form the pixel electrode of a particular color, the white pixel electrode such as, used in red pixel electrode, green pixel electrode or blue pixel electrode or this case.
This Organic Light Emitting Diode layer 230 comprises transmission sublayer, an electric hole (hole transporting layer, HTL) 231, one luminescent layer (emitting layer) 233 and an electric transmission sublayer (electron transporting layer, HTL) 235.The better generation white light of this Organic Light Emitting Diode layer 230, and use this chromatic filter layer (color filter) 260 filter and produce Red, Blue, Green.
Fig. 6 is the schematic perspective view of a kind of embedded Organic Light Emitting Diode touch display panel structure 600 of the present utility model.The key distinction of itself and Fig. 2 is that this cathode layer 610 is exchanged with the position of this anode layer 620.This cathode layer 610 has multiple cathode pixels electrode 611.Each cathode pixels electrode 611 is corresponding with a pixel driven transistor of this pixel-driving circuit 301 of this tft layer 300, that is each cathode pixels electrode of the plurality of cathode pixels electrode connects with the source/drain 3013 of this pixel driven transistor of this corresponding pixel-driving circuit 301, to form the pixel electrode of a particular color, the white pixel electrode such as, used in red pixel electrode, green pixel electrode or blue pixel electrode or this case.
This cathode layer 610 of Fig. 6 is exchanged with the position of this anode layer 620, simultaneously in order to coordinate this cathode layer 610 and this anode layer 620, transmission sublayer, electric hole (the hole transporting layer of this Organic Light Emitting Diode layer 630, HTL) 631 also exchange with the position of electric transmission sublayer (electron transporting layer, HTL) 635.This answers cathode layer 610 to have multiple cathode pixels electrode 611, and each cathode pixels electrode of the plurality of cathode pixels electrode 611 connects with the source/drain of the pixel driven transistor of this corresponding pixel-driving circuit.
From aforementioned explanation, the utility model can be formed with individual layer induction touch pattern structure on induction electrode layer 250, its advantage is without the need to arranging induction electrode layer in the top glass substrate of Organic Light Emitting Diode touch-control display panel or lower glass substrate, reducing costs accordingly, reduces process.Simultaneously, its average transmittance of electrode points that known tin indium oxide material (ITO) is done only is about 90%, and the position of this polygonal mesh region 411-41N and this cabling 421-42N of the present utility model is the position of these many shading lines 241 corresponding to this light shield layer 240 and arranges, therefore do not affect transmittance, therefore average transmittance of the present utility model is good far beyond known technology.When the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer of the present utility model is embedded in organic LED display panel, the brightness of organic LED display panel can be made brighter compared with the panel of known technology.
Above-described embodiment is only citing for convenience of description, and the interest field that the utility model is advocated from should being as the criterion with described in right, but not is only limitted to above-described embodiment.
Claims (12)
1. an embedded Organic Light Emitting Diode touch display panel structure for tool metal inductive layer, is characterized in that, include:
One upper substrate;
One infrabasal plate, an Organic Light Emitting Diode layer is folded between two substrates to be parallel-laid into right configuration by this upper substrate and this infrabasal plate;
One light shield layer, is positioned at the surface regarding to the side of this Organic Light Emitting Diode layer of this upper substrate, and this light shield layer is made up of many shading lines;
One induction electrode layer, is positioned at the surface of the side relative to this Organic Light Emitting Diode layer of this light shield layer, and this induction electrode layer is made up of many sensor conductor lines; And
One tft layer, is positioned at the surface regarding to the side of this Organic Light Emitting Diode layer of this infrabasal plate;
Wherein, the position of these many sensor conductor lines corresponds to the position of these many shading lines of this light shield layer and arranges.
2. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 1, it is characterized in that, wherein, these many sensor conductor lines are divided into one first group of sensor conductor line and one second group of sensor conductor line, this first group of sensor conductor line forms N number of polygonal mesh region, in the middle of, N is positive integer, sensor conductor line in each polygonal mesh region is electrically connected together, and do not connect between any two polygonal mesh regions, to be formed with individual layer induction touch pattern structure at this induction electrode layer.
3. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 2, it is characterized in that, wherein, this second group of sensor conductor line forms N bar cabling, the polygonal mesh region that each cabling of this N bar cabling is corresponding with one is electrically connected, and does not connect between wantonly two cablings.
4. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 3, is characterized in that, wherein, these many sensor conductor lines of this induction electrode layer are arranged with a first direction and a second direction.
5. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 4, is characterized in that, wherein, and the vertical second direction of this first direction.
6. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 5, it is characterized in that, wherein, this polygonal mesh region be following shape one of them: triangle, rectangle, square, rhombus, pentagon, sexangle, octagon, circle.
7. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 6, it is characterized in that, wherein, these many sensor conductor lines are made by the metal material conducted electricity or alloy material.
8. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 7, it is characterized in that, wherein, this tft layer has K bar raster data model line and L bar source drive line, according to a display drive signals and a display pixel signal, to drive pixel driven transistor and the pixel capacitance of corresponding pixel-driving circuit, and then perform display operation, in the middle of, K, L are positive integer.
9. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 8, it is characterized in that, wherein, the position of K bar raster data model line and L bar source drive line corresponds to the position of these many shading lines of this light shield layer and arranges.
10. the embedded Organic Light Emitting Diode touch display panel structure of tool metal inductive layer as claimed in claim 9, it is characterized in that, it also comprises:
One chromatic filter layer, is positioned on the surface of the side in the face of this Organic Light Emitting Diode layer of this light shield layer; And
One protective seam, is positioned at the surface of this chromatic filter layer.
The embedded Organic Light Emitting Diode touch display panel structure of 11. tool metal inductive layers as claimed in claim 10, it is characterized in that, it also comprises:
One cathode layer, is positioned at the surface of the side in the face of this Organic Light Emitting Diode layer of this protective seam; And
One anode layer, be positioned at the side in the face of this Organic Light Emitting Diode layer of this tft layer, this anode layer has multiple anode pixels electrode, and each anode pixels electrode of the plurality of anode pixels electrode connects with the source/drain of the pixel driven transistor of this corresponding pixel-driving circuit.
The embedded Organic Light Emitting Diode touch display panel structure of 12. tool metal inductive layers as claimed in claim 10, it is characterized in that, it also comprises:
One cathode layer, be positioned at the surface of the side in the face of this Organic Light Emitting Diode layer of this tft layer, this cathode layer has multiple cathode pixels electrode, and each cathode pixels electrode of the plurality of cathode pixels electrode connects with the source/drain of the pixel driven transistor of this corresponding pixel-driving circuit; And
One anode layer, is positioned at the side in the face of this Organic Light Emitting Diode layer of this protective seam.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102215173 | 2013-08-13 | ||
| TW102215173U TWM467954U (en) | 2013-08-13 | 2013-08-13 | Embedded type OLED touch display panel structure with metal sensing layer |
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| CN204087150U true CN204087150U (en) | 2015-01-07 |
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| CN201420422116.XU Expired - Fee Related CN204087150U (en) | 2013-08-13 | 2014-07-29 | Embedded organic light-emitting diode touch display panel structure with metal induction layer |
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| CN (1) | CN204087150U (en) |
| TW (1) | TWM467954U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577380A (en) * | 2016-07-05 | 2018-01-12 | 速博思股份有限公司 | Embedded touch display device with transparent grid touch electrode |
| CN109671756A (en) * | 2018-12-17 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | Display screen and display device |
| CN111930264A (en) * | 2020-09-15 | 2020-11-13 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and touch display device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9395072B2 (en) | 2013-11-13 | 2016-07-19 | Industrial Technology Research Institute | Illumination device |
| TWI556425B (en) * | 2014-07-21 | 2016-11-01 | 友達光電股份有限公司 | Pixel structure and display panel using the same |
| TWI552062B (en) * | 2015-01-30 | 2016-10-01 | 速博思股份有限公司 | In-cell oled touch panel structure with high touch position resolution |
-
2013
- 2013-08-13 TW TW102215173U patent/TWM467954U/en not_active IP Right Cessation
-
2014
- 2014-07-29 CN CN201420422116.XU patent/CN204087150U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577380A (en) * | 2016-07-05 | 2018-01-12 | 速博思股份有限公司 | Embedded touch display device with transparent grid touch electrode |
| CN107577380B (en) * | 2016-07-05 | 2021-04-16 | 速博思股份有限公司 | Embedded touch display device with transparent grid touch electrode |
| CN109671756A (en) * | 2018-12-17 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | Display screen and display device |
| CN111930264A (en) * | 2020-09-15 | 2020-11-13 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and touch display device |
| CN111930264B (en) * | 2020-09-15 | 2023-12-01 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and touch display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM467954U (en) | 2013-12-11 |
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