CN203178992U - Capacitive embedded touch screen and display device - Google Patents
Capacitive embedded touch screen and display device Download PDFInfo
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- CN203178992U CN203178992U CN 201320146311 CN201320146311U CN203178992U CN 203178992 U CN203178992 U CN 203178992U CN 201320146311 CN201320146311 CN 201320146311 CN 201320146311 U CN201320146311 U CN 201320146311U CN 203178992 U CN203178992 U CN 203178992U
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Abstract
The utility model discloses a capacitive embedded touch screen and a display device. A first touch sensing electrode and a second touch sensing electrode which are mutually insulated are arranged on a substrate, wherein the first touch sensing electrode is arranged between the substrate and a black matrix, and the second touch sensing electrode is arranged on one side, away from the substrate, of the black matrix. Due to the fact that the first touch sensing electrode and the second touch sensing electrode are arranged on the substrate far away from a TFT array substrate, mutual interface between touch signals and the display signals in the TFT array substrate can be avoided, the quality of a liquid crystal display frame is guaranteed, and the reliability of a touch operation is enhanced.
Description
Technical field
The utility model relates to the touch screen technology field, relates in particular to the embedded touch-screen of a kind of condenser type and display device.
Background technology
Along with the develop rapidly of display technique, touch-screen (Touch Screen Panel) spreads all in people's the life gradually.At present, touch-screen can be divided into according to forming structure: external hanging type touch-screen (Add on ModeTouch Panel), covering surfaces formula touch-screen (On Cell Touch Panel) and embedded touch-screen (InCell Touch Panel).Wherein, the external hanging type touch-screen is with touch-screen and LCDs (Liquid CrystalDisplay, LCD) separately produce, fitting to then becomes the LCDs with touch function together, and there are shortcomings such as cost of manufacture is higher, light transmission rate is lower, module is thicker in the external hanging type touch-screen.And embedded touch-screen is embedded in LCDs inside with the touch-control electrode of touch-screen, and thickness that can attenuate module integral body can reduce the cost of manufacture of touch-screen again greatly, is subjected to each big panel producer favor.
At present, existing condenser type embedded (in cell) touch-screen is at existing TFT(Thin FilmTransistor, what Thin Film Transistor (TFT)) direct increase touch-control sweep trace in addition and touch induction lines realized on the array base palte, namely make the strip shaped electric poles that two-layer mutual antarafacial intersects on the surface of tft array substrate, this two-layer electrode as touch-control drive wire and the touch induction lines of touch-screen, forms mutual capacitance in the antarafacial intersection of two strip electrodes respectively.Its course of work is: when the electrode as the touch-control drive wire is loaded touch-control driving signal, detect the voltage signal that touch induction lines is coupled out by mutual capacitance, in this process, when human body contact touch-screen is arranged, people's bulk electric field will act in the mutual capacitance, and the capacitance of mutual capacitance is changed, and then changes the voltage signal that touch induction lines is coupled out, according to the variation of voltage signal, just can determine contact position.
The structural design of the embedded touch-screen of above-mentioned condenser type, the touching signals that the touch-control sweep trace that increases in existing tft array substrate and touch induction lines load, can with tft array substrate in the mutual interference of original demonstration signal phase, both influence the quality of liquid crystal display picture, reduced the reliability of touch control operation again.
The utility model content
The utility model embodiment provides the embedded touch-screen of a kind of condenser type and display device, in order to solve in the existing embedded touch-screen problem that shows signal and the mutual interference of touching signals phase.
The embedded touch-screen of a kind of condenser type that the utility model embodiment provides, comprise: substrate and be arranged on black matrix on the described substrate, also comprise: the first touch-sensing electrode between described substrate and described black matrix, and be positioned at the second touch-sensing electrode that described black matrix deviates from described substrate one side.
Further, described black matrix has the open area that is the matrix arrangement;
The described first touch-sensing electrode extends along the line direction of open area, and the described second touch-sensing electrode extends along the column direction of open area; Or,
The described second touch-control sensing electrode extends along the line direction of open area, and the described first touch-control sensing electrode extends along the column direction of open area.
Further, the material of the described first touch-control sensing electrode is metal material or transparent conductive material; The material of the described second touch-control sensing electrode is metal material or transparent conductive material.
Further, the material of the described first touch-sensing electrode is metal material, and the described first touch-sensing electrode is positioned within the orthogonal projection of described black matrix in the orthogonal projection on the substrate;
The material of the described second touch-sensing electrode is metal material, and the described second touch-sensing electrode is positioned within the orthogonal projection of described black matrix in the orthogonal projection on the substrate.
Further, the material of the described first touch-sensing electrode is transparent conductive material, and the described first touch-sensing electrode has the rhombus electrode structure;
The material of the described second touch-sensing electrode is transparent conductive material, and the described second touch-sensing electrode has the rhombus electrode structure.
Further, the described first touch-sensing electrode and/or the described second touch-sensing electrode have inner shrinking structure at the overlapping place of the described first touch-sensing electrode and the described second touch-sensing electrode.
Further, the material of the described first touch-sensing electrode is transparent conductive material;
Showing time period, the described first touch-sensing electrode grounding;
In the touch-control time period, touch scanning signals and the output that the described second touch-sensing electrode loads that is coupled of the described first touch-sensing electrode.
Further, the material of the described second touch-sensing electrode is transparent conductive material, and each described second touch-sensing electrode is formed common electrode layer;
Showing the time period, each described second touch-sensing electrode is being loaded common electrode signal;
In the touch-control time period, each described second touch-sensing electrode is loaded touch scanning signals.
Further, the material of the described first touch-sensing electrode is transparent conductive material;
Showing time period, the described first touch-sensing electrode grounding;
In the touch-control time period, each described first touch-sensing electrode is loaded touch scanning signals.
Further, the material of the described second touch-sensing electrode is transparent conductive material, and each described second touch-sensing electrode is formed common electrode layer;
Showing the time period, each described second touch-sensing electrode is being loaded common electrode signal;
In the touch-control time period, the described second touch-sensing electrode be coupled described touch scanning signals and output.
A kind of display device that the utility model embodiment provides comprises the embedded touch-screen of condenser type that the utility model embodiment provides.
The beneficial effect of the utility model embodiment comprises:
The embedded touch-screen of a kind of condenser type and display device that the utility model embodiment provides arrange the first touch-sensing electrode and the second touch-sensing electrode of mutually insulated at substrate; Wherein, the first touch-sensing electrode is between substrate and black matrix, and the second touch-sensing electrode is positioned at black matrix and deviates from a side of substrate.Because the first touch-sensing electrode and the second touch-sensing electrode are arranged on the substrate away from tft array substrate, can avoid the demonstration signal phase mutual interference in touching signals and the tft array substrate, both guarantee the quality of liquid crystal display picture, strengthened the reliability of touch control operation again.
Description of drawings
The structural representation of the embedded touch-screen of condenser type that Fig. 1 provides for the utility model embodiment;
The structural representation of the substrate that Fig. 2 provides for the utility model embodiment;
One of the first touch-sensing electrode that Fig. 3 provides for the utility model embodiment and the structural representation between the second touch-sensing electrode;
Two of the first touch-sensing electrode that Fig. 4 provides for the utility model embodiment and the structural representation between the second touch-sensing electrode;
The lead-in wire synoptic diagram of the touch-screen that Fig. 5 provides for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embedded touch-screen of condenser type that the utility model embodiment is provided and the embodiment of display device are described in detail.
Each layer film thickness and shape do not reflect true ratio in the accompanying drawing, and purpose is illustrative the utility model content.
The embedded touch-screen of a kind of condenser type that the utility model embodiment provides as shown in Figure 1, comprising: substrate 01 and be arranged on black matrix 02 on the substrate 01; Also comprise: the first touch-sensing electrode 03 between substrate 01 and black matrix 02, and be positioned at the second touch-sensing electrode 04 that black matrix 02 deviates from substrate 01 1 sides.
In the specific implementation, the first touch-sensing electrode 03 can be the touch sensible electrode (Rx, receive), the second touch-sensing electrode 04 be accordingly touch drive electrode (Tx, Transport); Otherwise the first touch-sensing electrode 03 also can be to touch drive electrode Tx, and the second touch-sensing electrode 04 is touch sensible electrode Rx accordingly, does not do restriction at this.
And, the above-mentioned touch-screen that the utility model embodiment provides, as shown in Figure 1, can be applied to colored filter 05 and be arranged on structure with tft array substrate 2 opposing substrates (being color membrane substrates 1), also can be applied to colored filter and be arranged on structure in the tft array substrate, not do restriction at this.
The embedded touch-screen of above-mentioned condenser type that the utility model enforcement provides, owing to will be arranged on the color membrane substrates 1 away from tft array substrate 2 as the first touch-sensing electrode 03 of touch-control drive electrode Tx or the second touch-sensing electrode 04, when touch-control drive electrode Tx loads touch scanning signals, can reduce the interference such as the demonstration signal of scanning gate signal and GTG signal of touch scanning signals to loading on the tft array substrate 2, guarantee the display frame quality of touch-screen.And, owing to will also be arranged on the color membrane substrates 1 away from tft array substrate 2 as the first touch-sensing electrode 03 of touch-control sensing electrode Rx or the second touch-sensing electrode 04, when touch-control sensing electrode Rx coupling touch scanning signals, can reduce the demonstration signal that loads at tft array substrate 2 to the interference of touch-control sensing electrode Rx coupled electrical signal, improve the reliability of touch control operation.
Particularly, in the above-mentioned touch-screen that the utility model embodiment provides, as shown in Figure 2, the black matrix 02 that forms at substrate 01 generally all has the open area 06 that is the matrix arrangement, and this open area 06 is relative with effective viewing area of each pixel cell in the tft array substrate.In the specific implementation, as shown in Figure 2, the first touch-sensing electrode 03 that forms at substrate 01 can be along the open area 06 line direction extend, the second touch-sensing electrode 04 can be along the open area 06 column direction extend, namely the wiring direction of the signal line in the first touch-sensing electrode 03 that substrate 01 is arranged and tft array substrate is consistent, and the wiring direction of the data signal line in the second touch-sensing electrode 04 of substrate 01 layout and tft array substrate is consistent.Perhaps, the first touch-sensing electrode that forms at substrate can extend along the line direction of open area, the second touch-sensing electrode can extend along the column direction of open area, namely the wiring direction of the signal line in the first touch-sensing electrode that substrate is arranged and tft array substrate is consistent, and the wiring direction of the data signal line in the second touch-sensing electrode that substrate is arranged and tft array substrate is consistent.Certainly, the first touch-sensing electrode of arranging at substrate and the bearing of trend of the second touch-sensing electrode can not done restriction at this along other directions yet.
Extend along the column direction of open area with each first touch-sensing electrode below, each second touch-sensing electrode extends to example along the line direction of open area and describes.
In the specific implementation, can prepare the first touch-sensing electrode with metal material or transparent conductive material, in like manner, the second touch-sensing electrode also can be by metal material or transparent conductive material preparation.
Particularly, when adopting metal material to prepare the first touch-sensing electrode 03, because the light tight characteristic of metal, generally the first touch-sensing electrode 03 can be arranged on the position of being blocked by black matrix 02, as shown in Figure 2, namely the first touch-sensing electrode 03 is positioned in the orthogonal projection on the substrate 01 within the orthogonal projection of black matrix 02, influences the aperture opening ratio of pixel cell with the first touch-sensing electrode of avoiding adopting metal to prepare 03.And, when the first touch-sensing electrode 03 that adopts metal material to make uses as touch-control drive electrode Tx, because the resistance of the first touch-sensing electrode 03 is less relatively, the time delay (Loading) in the time of can effectively being reduced in touch-control drive electrode Tx transmission touch scanning signals.
In like manner, as shown in Figure 2, when adopting metal material to prepare the second touch-sensing electrode 04, generally the second touch-sensing electrode 04 can be arranged on the position of being blocked by black matrix 02, namely the second touch-sensing electrode 04 is positioned in the orthogonal projection on the substrate within the orthogonal projection of black matrix 02, influences the aperture opening ratio of pixel cell with the second touch-sensing electrode of avoiding adopting metal to prepare 04.
When the first touch-sensing electrode 03 and the second touch-sensing electrode 04 all adopted metal material to prepare, the black matrix 02 between the first touch-sensing electrode 03 and the second touch-sensing electrode 04 served as both insulation courses, has avoided both short circuits.In the specific implementation, can use the black matrix of specific inductive capacity materials with smaller preparation, reducing the capacitance between the first touch-sensing electrode 03 and the second touch-sensing electrode 04, thereby improve the sensitivity of touch-control.
Further, because the first touch-sensing electrode 03 is between substrate and black matrix, after color membrane substrates and tft array substrate are to box, the first touch-sensing electrode 03 is relatively near the beholder, if when adopting metal to prepare the first touch-sensing electrode 03, influence the normal demonstration of touch-screen easily because metal material is reflective, therefore, in the specific implementation, generally can adopt the transparent conductive material such as ITO to prepare the first touch-sensing electrode 03.When adopting transparent conductive material to prepare the first touch-sensing electrode 03, the first touch-sensing electrode 03 can have the rhombus electrode structure, and the rhombus electrode structure as shown in Figure 3.
Further, when the first touch-sensing electrode 03 has strip shaped electric poles structure or rhombus electrode structure, can also inner shrinking structure be set at the overlapping place of the first touch-sensing electrode 03 and the second touch-sensing electrode 04, to reduce the overlapping area between the touch-control first touch-sensing electrode 03 and the second touch-sensing electrode 04, thereby be reduced in the node capacitor that overlapping place generates, to improve touch-control sensitivity.For example as shown in Figure 4, the first touch-sensing electrode 03 and the second touch-sensing electrode 04 are the strip shaped electric poles structure, has inner shrinking structure 07, the first touch-sensing electrode 03 at the overlapping place of the first touch-sensing electrode 03 and the second touch-sensing electrode 04 at the width at the inner shrinking structure 07 place width less than the first touch-sensing electrode 03 and the second touch-sensing electrode, 04 no overlapping place.
In addition, when the second touch-sensing electrode 04 adopts transparent conductive material to prepare, also the second touch-sensing electrode 04 can be set to the rhombus electrode structure.In like manner, in order to reduce by the second touch-sensing electrode 04 and the first touch-sensing electrode 03 at the node capacitor that overlapping place generates, also can inner shrinking structure be set at the overlapping place of the second touch-sensing electrode 04 and the first touch-sensing electrode 03, to improve touch-control sensitivity.
Usually, the precision of touch-screen touch-control is usually in the millimeter level, and the precision of liquid crystal display is usually at micron order, therefore, a plurality of second adjacent touch-sensing electrodes can be used as second a touch-sensing electrode, in the specific implementation, touch-control precision that can be as required, many the adjacent second touch-sensing electrodes by the metal wire conducting, are used as second a touch-sensing electrode.In like manner, touch-control precision that can be as required by the metal wire conducting, is used many adjacent first touch-sensing electrodes as first a touch-sensing electrode.And, (just illustrate the part lead-in wire) as shown in Figure 5, will pass through lead-in wire and conducting resinl (TR) at each the bar first touch-sensing electrode 03 on the substrate to the passage tft array substrate, finally be connected with the IC chip; Each bar second touch-sensing electrode 04 is linked to each other with touch-control flexible PCB (Touch FPC) by substrate fan-out zone (fanout) and conducting resinl (TR).
In the specific implementation, the function that the first touch-sensing electrode in the touch-screen that provides of the utility model embodiment can also multiplexing guarded electrode.At first, touch-screen is shown that the time of each frame (V-sync) is divided into demonstration time period (Display) and touch-control time period (Touch), for example the time of demonstration one frame of touch-screen is 16.7ms, choose wherein 5ms as the touch-control time period, other 11.7ms is as showing the time period, can certainly be according to the processing power of IC chip suitable both durations of adjustment are not done concrete restriction at this.
When the material of the first touch-sensing electrode is transparent conductive material, showing the time period, the first touch-sensing electrode can ground connection, uses as guarded electrode, disturbs the normal demonstration of touch-screen to prevent extraneous static.In the touch-control time period, if adopt the first touch-sensing electrode to use as the touch-control sensing electrode, then first touch-sensing electrode touch scanning signals and the output that the second touch-sensing electrode loads that is coupled; If adopt first sensing electrode to use as the touch-control drive electrode, then the first touch-sensing electrode loads touch scanning signals.
Particularly, the above-mentioned touch-screen that the utility model embodiment provides goes for the display panels of various patterns, for example go for to realize the plane internal switch (IPS at wide visual angle, In-PlaneSwitch) and senior super dimension field switch (ADS, Advanced Super Dimension Switch) type display panels, also go for traditional twisted-nematic (TN, Twisted Nematic) type display panels, do not do restriction at this.When adopting TN type display panels to prepare the above-mentioned touch-screen that the utility model embodiment provides, can save the common electrode layer in the color membrane substrates, take timesharing to drive, utilize the function by the multiplexing common electrode layer of the second touch-sensing electrode of transparent conductive material preparation.
If adopt each second touch-sensing electrode to use as the touch-control sensing electrode, then showing the time period, each second touch-sensing electrode is loaded common electrode signal, this moment, the second touch-sensing electrode used as public electrode, form electric field with the pixel electrode on the tft array substrate, the upset of control liquid crystal.In the touch-control time period, second touch-sensing electrode coupling touch scanning signals and output.
If adopt each second touch-sensing electrode to use as the touch-control drive electrode, then showing the time period, each second touch-sensing electrode is loaded common electrode signal, this moment, the second touch-sensing electrode used as public electrode, form electric field with the pixel electrode on the tft array substrate, the upset of control liquid crystal.In the touch-control time period, each described second touch-sensing electrode is loaded touch scanning signals.
Based on same utility model design, the utility model embodiment also provides a kind of display device, comprise the embedded touch-screen of above-mentioned condenser type that the utility model embodiment provides, the enforcement of this display device can repeat part and repeat no more referring to the embodiment of the embedded touch-screen of above-mentioned condenser type.
The embedded touch-screen of a kind of condenser type and display device that the utility model embodiment provides arrange the first touch-sensing electrode and the second touch-sensing electrode of mutually insulated at substrate; Wherein, the first touch-sensing electrode is between substrate and black matrix, and the second touch-sensing electrode is positioned at black matrix and deviates from a side of substrate.Because the first touch-sensing electrode and the second touch-sensing electrode are arranged on the substrate away from tft array substrate, can avoid the demonstration signal phase mutual interference in touching signals and the tft array substrate, both guarantee the quality of liquid crystal display picture, strengthened the reliability of touch control operation again.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (11)
1. embedded touch-screen of condenser type, comprise: substrate and be arranged on black matrix on the described substrate, it is characterized in that, also comprise: the first touch-sensing electrode between described substrate and described black matrix, and be positioned at the second touch-sensing electrode that described black matrix deviates from described substrate one side.
2. touch-screen as claimed in claim 1 is characterized in that, described black matrix has the open area that is the matrix arrangement;
The described first touch-sensing electrode extends along the line direction of open area, and the described second touch-sensing electrode extends along the column direction of open area; Or,
The described second touch-control sensing electrode extends along the line direction of open area, and the described first touch-control sensing electrode extends along the column direction of open area.
3. touch-screen as claimed in claim 2 is characterized in that, the material of the described first touch-control sensing electrode is metal material or transparent conductive material; The material of the described second touch-control sensing electrode is metal material or transparent conductive material.
4. touch-screen as claimed in claim 3 is characterized in that, the material of the described first touch-sensing electrode is metal material, and the described first touch-sensing electrode is positioned within the orthogonal projection of described black matrix in the orthogonal projection on the substrate;
The material of the described second touch-sensing electrode is metal material, and the described second touch-sensing electrode is positioned within the orthogonal projection of described black matrix in the orthogonal projection on the substrate.
5. touch-screen as claimed in claim 3 is characterized in that, the material of the described first touch-sensing electrode is transparent conductive material, and the described first touch-sensing electrode has the rhombus electrode structure;
The material of the described second touch-sensing electrode is transparent conductive material, and the described second touch-sensing electrode has the rhombus electrode structure.
6. 1 described touch-screen as claimed in claim is characterized in that the described first touch-sensing electrode and/or the described second touch-sensing electrode have inner shrinking structure at the overlapping place of the described first touch-sensing electrode and the described second touch-sensing electrode.
7. as each described touch-screen of claim 1-5, it is characterized in that the material of the described first touch-sensing electrode is transparent conductive material;
Showing time period, the described first touch-sensing electrode grounding;
In the touch-control time period, touch scanning signals and the output that the described second touch-sensing electrode loads that is coupled of the described first touch-sensing electrode.
8. touch-screen as claimed in claim 7 is characterized in that, the material of the described second touch-sensing electrode is transparent conductive material, and each described second touch-sensing electrode is formed common electrode layer;
Showing the time period, each described second touch-sensing electrode is being loaded common electrode signal;
In the touch-control time period, each described second touch-sensing electrode is loaded touch scanning signals.
9. as each described touch-screen of claim 1-5, it is characterized in that the material of the described first touch-sensing electrode is transparent conductive material;
Showing time period, the described first touch-sensing electrode grounding;
In the touch-control time period, each described first touch-sensing electrode is loaded touch scanning signals.
10. touch-screen as claimed in claim 9 is characterized in that, the material of the described second touch-sensing electrode is transparent conductive material, and each described second touch-sensing electrode is formed common electrode layer;
Showing the time period, each described second touch-sensing electrode is being loaded common electrode signal;
In the touch-control time period, the described second touch-sensing electrode be coupled described touch scanning signals and output.
11. a display device is characterized in that, comprises as the embedded touch-screen of each described condenser type of claim 1-10.
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| CN 201320146311 CN203178992U (en) | 2013-03-28 | 2013-03-28 | Capacitive embedded touch screen and display device |
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| CN 201320146311 CN203178992U (en) | 2013-03-28 | 2013-03-28 | Capacitive embedded touch screen and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207719A (en) * | 2013-03-28 | 2013-07-17 | 北京京东方光电科技有限公司 | Capacitive inlaid touch screen and display device |
| CN103677433A (en) * | 2014-01-07 | 2014-03-26 | 华映视讯（吴江）有限公司 | Touch shading base plate and touch display device |
| CN107844219A (en) * | 2017-11-17 | 2018-03-27 | 合肥鑫晟光电科技有限公司 | Touch base plate and preparation method thereof, display device |
| CN109445205A (en) * | 2018-11-02 | 2019-03-08 | 北京奥特易电子科技有限责任公司 | A kind of liquid crystal film with hand control function |
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2013
- 2013-03-28 CN CN 201320146311 patent/CN203178992U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207719A (en) * | 2013-03-28 | 2013-07-17 | 北京京东方光电科技有限公司 | Capacitive inlaid touch screen and display device |
| WO2014153816A1 (en) * | 2013-03-28 | 2014-10-02 | 北京京东方光电科技有限公司 | Capacitive built-in touch screen and display device |
| CN103677433A (en) * | 2014-01-07 | 2014-03-26 | 华映视讯（吴江）有限公司 | Touch shading base plate and touch display device |
| CN107844219A (en) * | 2017-11-17 | 2018-03-27 | 合肥鑫晟光电科技有限公司 | Touch base plate and preparation method thereof, display device |
| CN107844219B (en) * | 2017-11-17 | 2022-02-11 | 合肥鑫晟光电科技有限公司 | Touch substrate, manufacturing method thereof and display device |
| US11507234B2 (en) | 2017-11-17 | 2022-11-22 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch substrate, manufacturing method thereof, and display device |
| CN109445205A (en) * | 2018-11-02 | 2019-03-08 | 北京奥特易电子科技有限责任公司 | A kind of liquid crystal film with hand control function |
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Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150701 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150701 |
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Effective date of registration: 20150701 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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