CN201522699U - Meshed public electrode active touch-control flat display screen - Google Patents
Meshed public electrode active touch-control flat display screen Download PDFInfo
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- CN201522699U CN201522699U CN2009201502809U CN200920150280U CN201522699U CN 201522699 U CN201522699 U CN 201522699U CN 2009201502809 U CN2009201502809 U CN 2009201502809U CN 200920150280 U CN200920150280 U CN 200920150280U CN 201522699 U CN201522699 U CN 201522699U
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Abstract
The utility model discloses a meshed public electrode active touch-control flat display screen, relates to a touch-control flat display, and particularly relates to an active touch-control flat display screen. The active touch-control flat display screen takes display screen electrodes as touch-control sounding electrodes. The active flat display screen usually takes a public electrode baseplate as upper baseplate glass of a display screen; and the display screen public electrode has the shielding effect to the electrical signal transmission between a touch-control object and the display screen electrodes serving as the touch-control sounding electrodes, so that the touch-control signals acquired by the sensing touch-control display screen electrodes are diminished. The utility model adopts the solution that an opening is formed in the position of nondisplay picture elements on the public electrode layer on the inner surface of the upper baseplate glass, so that the public electrode layer has the meshed structure in the position of nondisplay picture elements; and the touch-control signals are smoothly transmitted between the display screen electrodes and the touch-control object through the opening on the public electrode.
Description
Technical field
The utility model relates to touch control type flat-panel display, is specifically related to active touch control formula panel display screen.
Background technology
Application number is that Chinese patents such as 2006100948141 and 2006101065583 have proposed the electrode wires of the display screen of flat-panel monitor not only had been used for showing but also had been used for touch-control and survey, allow the display screen electrode not only transmit drive signal, also sensing and transmit touching signals, and no longer need the method for the touch screen of independence.Under the capacitance touching control mode, make the leakage current that flat-panel monitor can sense formed coupling capacitance between touch-control finger and display screen electrode and flow out from this electric capacity, thus definite position of touch; Under the electromagnetic touch-control mode, make flat-panel monitor can sense the electromagnetic signal that pointer is sent or reflected, thereby determine position of touch.In just touching of touch control object (finger or pointer), in addition just near and do not need to press under the situation of display screen, flat-panel monitor forms touch controllable function.
But for as flat panel displayses such as TFT-LCD, have tft array and display element array on a slice base plate glass of display screen, with the reading scan electrode that extremely links to each other with the Gate of TFT, the shows signal electrode that links to each other with source electrode or the drain electrode of TFT; Have color filter film, latticed light black film layer and a public electrode covered and another plate base of display screen is on glass; And active panel display screen is often with the upper substrate glass of common electrode substrate as display screen.The display screen public electrode is formed by transparent metal oxide (as indium oxide and tin oxide potpourri ITO), and public electrode is applied in earth potential or other display driver current potential.Though the electric conductivity of metal oxide also is not so good as metallic conductivity, there is certain face resistance value, but still has shielding action to touch control object and as the transmission of electric signal between the scan electrode of touch-control exploring electrode and the signal electrode, the touching signals that makes the display screen scan electrode and the signal electrode of sensing touch-control be obtained diminishes, and surveys to touch-control and brings difficulty.
Summary of the invention
The utility model aims to provide a kind of mesh public electrode active touch control formula panel display screen, mode by the non-display element place windowing on public electrode, solve the shielding of public electrode to touching signals, allow active touch control formula panel display screen can sense enough strong touching signals, improve the touch-control sensitivity of active touch control formula panel display screen.
Mesh public electrode active touch control formula panel display screen, has public electrode on a slice base plate glass of display screen, has tft array on another base plate glass, with the reading scan electrode that extremely links to each other with the Gate of TFT, the shows signal electrode that links to each other with source electrode or the drain electrode of TFT, in the non-display element position upper shed of common electrode substrate glass common electrode layer, allow common electrode layer have mesh-like structure in non-display element position.
Technical solution of the present utility model is: active touch control formula panel display screen with tft array substrate as lower baseplate glass, with common electrode substrate during as upper substrate glass, non-display element position upper shed in common electrode substrate glass common electrode layer, allow common electrode layer have mesh-like structure in non-display element position, as the touch-control sensing electrode, and produce electromagnetic coupled sensing touching signals between touch control object with tft array substrate reading scan electrode on glass or signal electrode.In order to reduce the common electrode layer of upper substrate interior surfaces of glass, to shielding as electromagnetic coupled signal between the reading scan electrode of touch-control sensing electrode or signal electrode and touch control object, non-display element position upper shed in upper substrate interior surfaces of glass common electrode layer, allow common electrode layer have mesh-like structure in non-display element position, touching signals transmits between display screen electrode and touch control object smoothly by the opening on the public electrode.
Opening on the common electrode layer can be respectively along the strip mouth of display screen scan electrode or signal electrode; Also can be rectangular-shaped, crosswise or T-shaped shape mouth at the crossover location of display screen scan electrode or signal electrode; It also can be the point-like mouth of circle or polygon or other shapes.Open area on the public electrode does not relate to the position of display element, keep the complete of display element place public electrode, and keeping being interconnected of public electrode everywhere, the display element place public electrode on the common electrode layer is interconnected, and is that the subregion is interconnected at least.
In the opening on common electrode layer, can be electrodeless layer, also can keep and the disconnected electrode layer of public electrode, in the common electrode substrate common electrode layer opening on glass with the disconnected electrode layer of public electrode, the electrode on glass with tft array substrate is connected, with the signal coupling ability between enhanced ct scans electrode wires and signal electrode line and the touch control object.When remaining with the disconnected electrode layer of public electrode in the opening on common electrode layer, the electrode layer in the opening can be connected with display screen scan electrode or the signal electrode on the lower baseplate glass of tft array.
Flat panel displays can be switch (IPS) type TFT-LCD display in twisted-nematic (TN) type, multidomain homeotropic alignment (MVA) type or the plate, also can be the TFT-OLED display, also can be other flat panel displays.
The beneficial effect that the utility model is compared with the prior art is:
The mesh public electrode active touch control formula panel display screen that the utility model provides, solved the shielding problem of public electrode to touching signals, make active touch control formula panel display screen can sense enough strong touching signals, improve accuracy and degree of accuracy that active touch control formula panel display screen is surveyed touching signals.
Description of drawings
Fig. 1 is the active touch control formula panel display screen that has on the public electrode in length and breadth to non-intersect opening.
Fig. 2 has on the public electrode in length and breadth to the active touch control formula panel display screen that intersects opening.
Fig. 3 is the active touch control formula panel display screen that the point-like opening is arranged on the public electrode.
Fig. 4 is the active touch control formula panel display screen that has the absolute electrode layer in the public electrode opening.
Embodiment
One of embodiment of the present utility model: as shown in Figure 1, the active touch control formula panel display screen 100 to non-intersect opening is arranged on the public electrode in length and breadth.TFT LCDs 100 with upper substrate glass 110 with public electrode, have the lower baseplate glass 120 of tft array, polaroid is formed up and down.Have color filter film, latticed light black film layer and the common electrode layer 111 covered on the upper substrate glass 110, have TFT and display element array on the lower baseplate glass 120, with the scan electrode 121 that extremely links to each other with the Gate of TFT, the signal electrode 122 that links to each other with the source electrode of TFT, the drain electrode of TFT links to each other with the display element electrode.On upper substrate glass 110 common electrode layer 111, the position of corresponding lower baseplate glass 120 scanning electrode wires 121 and signal electrode line 122, open some strip mouths 140 along the scanning electrode wire direction, open some strip mouths 150 along signal electrode line direction, the opening 140 of scanning electrode wire direction is non-intersect with the opening 150 of signal electrode line direction.Open area on the common electrode layer 111 does not relate to the position of display element, keeps the complete of display element electrode and being interconnected of common electrode layer 111 everywhere.
Two of embodiment of the present utility model: as shown in Figure 2, have on the public electrode in length and breadth to the active touch control formula panel display screen 200 that intersects opening.TFT LCDs 200 with upper substrate glass 210 with public electrode, have the lower baseplate glass 220 of tft array, polaroid is formed up and down.Have color filter film, latticed light black film layer and the common electrode layer 211 covered on the upper substrate glass 210, have TFT and display element array on the lower baseplate glass 220, with the scan electrode 221 that extremely links to each other with the Gate of TFT, the signal electrode 222 that links to each other with the source electrode of TFT, the drain electrode of TFT links to each other with the display element electrode.On upper substrate glass 210 common electrode layer 211, the position of corresponding lower baseplate glass 220 scanning electrode wires 221 and signal electrode line 222, along the scanning electrode wire direction with along signal electrode line direction, open some strip mouths 240 and 250 respectively, the opening 240 of scanning electrode wire direction intersects with the opening of signal electrode line direction 250, intersection at scanning electrode wire and suitable signal electrode line forms the crosswise opening.Open area on the common electrode layer 211 does not relate to the position of display element, keeps the complete of display element electrode and being interconnected of public electrode everywhere.
Three of embodiment of the present utility model: as shown in Figure 3, the active touch control formula panel display screen 300 of point-like opening is arranged on the public electrode.TFT LCDs 300 with upper substrate glass 310 with public electrode, have the lower baseplate glass 320 of tft array, polaroid is formed up and down.Have color filter film, latticed light black film layer and the common electrode layer 311 covered on the upper substrate glass 310, have TFT and display element array on the lower baseplate glass 320, with the scan electrode 321 that extremely links to each other with the Gate of TFT, the signal electrode 322 that links to each other with the source electrode of TFT, the drain electrode of TFT links to each other with the display element electrode.On upper substrate glass 310 common electrode layer 311, the intersection of corresponding lower baseplate glass 320 scanning electrode wires 321 and signal electrode line 322, and on scanning electrode wire 321 and signal electrode line 322 lines, open some circular point-like mouths 340.Open area on the common electrode layer 311 does not relate to the position of display element, keeps the complete of display element electrode and being interconnected of public electrode 311 everywhere.
Four of embodiment of the present utility model: as shown in Figure 4: the active touch control formula panel display screen 400 that has the absolute electrode layer in the public electrode opening.TFT LCDs 400 with upper substrate glass 410 with public electrode, have the lower baseplate glass 420 of tft array, polaroid is formed up and down.Have color filter film, latticed light black film layer and the common electrode layer 411 covered on the upper substrate glass 410, have TFT and display element array on the lower baseplate glass 420, with the scan electrode 421 that extremely links to each other with the Gate of TFT, the signal electrode 422 that links to each other with the source electrode of TFT, the drain electrode of TFT links to each other with the display element electrode.On upper substrate glass 410 common electrode layer 411, the position of corresponding lower baseplate glass 420 scanning electrode wires 421 and signal electrode line 422, open some strip mouths 440 along the scanning electrode wire direction, open some strip mouths 450 with suitable signal electrode line direction, the opening 440 of scanning electrode wire direction is non-intersect with the opening 450 of signal electrode line direction.Remain with common electrode layer 411 identical materials in the opening 440 and 450, with common electrode layer 411 disconnected isolated island shape electrodes 441 and 451, with the signal coupling ability between enhanced ct scans electrode wires 421 and signal electrode line 422 and the touch control object.Open area on the common electrode layer 411 does not relate to the position of display element, keeps the complete of display element electrode and being interconnected of common electrode layer 411 everywhere.
Above-mentioned four embodiment do not represent all possible embodiment, and other deformation program also should be a protection domain of the present utility model.
Claims (10)
1. mesh public electrode active touch control formula panel display screen, has public electrode on a slice base plate glass of display screen, has tft array on another base plate glass, with the reading scan electrode that extremely links to each other with the Gate of TFT, the shows signal electrode that links to each other with source electrode or the drain electrode of TFT, it is characterized in that:, allow common electrode layer have mesh-like structure in non-display element position in the non-display element position upper shed of common electrode substrate glass common electrode layer.
2. mesh public electrode active touch control formula panel display screen according to claim 1, it is characterized in that: the aperture position on the common electrode layer is along the display screen scan electrode.
3. mesh public electrode active touch control formula panel display screen according to claim 1, it is characterized in that: the aperture position on the common electrode layer is along the display screen signal electrode.
4. mesh public electrode active touch control formula panel display screen according to claim 1, it is characterized in that: the aperture position on the common electrode layer is the crossover location at display screen scan electrode and signal electrode.
5. mesh public electrode active touch control formula panel display screen according to claim 1 is characterized in that: the shape of common electrode layer upper shed is strip, rectangular-shaped, crosswise, T-shaped shape, toroidal, at least a in polygon-shaped.
6. mesh public electrode active touch control formula panel display screen according to claim 1, it is characterized in that: the display element place public electrode on the common electrode layer is interconnected.
7. mesh public electrode active touch control formula panel display screen according to claim 1, it is characterized in that: the display element place public electrode on the common electrode layer is that the subregion is interconnected.
8. mesh public electrode active touch control formula panel display screen according to claim 1 is characterized in that: electrodeless layer in the opening on common electrode layer.
9. mesh public electrode active touch control formula panel display screen according to claim 1 is characterized in that: have in the opening on common electrode layer and the disconnected electrode layer of public electrode.
10. mesh public electrode active touch control formula panel display screen according to claim 9, it is characterized in that: in the common electrode substrate common electrode layer opening on glass with the disconnected electrode layer of public electrode, the electrode on glass with tft array substrate is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201502809U CN201522699U (en) | 2009-04-29 | 2009-04-29 | Meshed public electrode active touch-control flat display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201502809U CN201522699U (en) | 2009-04-29 | 2009-04-29 | Meshed public electrode active touch-control flat display screen |
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| CN201522699U true CN201522699U (en) | 2010-07-07 |
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| CN2009201502809U Expired - Fee Related CN201522699U (en) | 2009-04-29 | 2009-04-29 | Meshed public electrode active touch-control flat display screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257733A (en) * | 2012-02-21 | 2013-08-21 | 东莞万士达液晶显示器有限公司 | All-in-one type touch panel and touch display panel |
| CN103294286A (en) * | 2012-02-27 | 2013-09-11 | 晨星软件研发(深圳)有限公司 | Method for touching screen with display panel and relevant device |
| CN104951128A (en) * | 2014-03-31 | 2015-09-30 | Lg伊诺特有限公司 | Touch panel having intersection structures for sensing patterns |
| CN107153484A (en) * | 2017-05-25 | 2017-09-12 | 上海中航光电子有限公司 | A kind of display panel and display device |
| CN109696992A (en) * | 2019-02-19 | 2019-04-30 | 京东方科技集团股份有限公司 | Touch control display apparatus, display panel and array substrate and its manufacturing method |
-
2009
- 2009-04-29 CN CN2009201502809U patent/CN201522699U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257733A (en) * | 2012-02-21 | 2013-08-21 | 东莞万士达液晶显示器有限公司 | All-in-one type touch panel and touch display panel |
| CN103294286A (en) * | 2012-02-27 | 2013-09-11 | 晨星软件研发(深圳)有限公司 | Method for touching screen with display panel and relevant device |
| CN104951128A (en) * | 2014-03-31 | 2015-09-30 | Lg伊诺特有限公司 | Touch panel having intersection structures for sensing patterns |
| CN104951128B (en) * | 2014-03-31 | 2019-10-18 | Lg伊诺特有限公司 | Touch panel with the intersection construction for sensing patterns |
| CN107153484A (en) * | 2017-05-25 | 2017-09-12 | 上海中航光电子有限公司 | A kind of display panel and display device |
| CN107153484B (en) * | 2017-05-25 | 2021-04-13 | 上海中航光电子有限公司 | Display panel and display device |
| CN109696992A (en) * | 2019-02-19 | 2019-04-30 | 京东方科技集团股份有限公司 | Touch control display apparatus, display panel and array substrate and its manufacturing method |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINLI TECHNOLOGY (SHENZHEN) CO., LTD. Free format text: FORMER OWNER: ZHIDIAN TECHNOLOGY (SHENZHEN) CO., LTD. Effective date: 20131121 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131121 Address after: 518054 Guangdong city of Shenzhen province Nanshan District Nanshan Road Nanyou fourth industrial zone 7A Building 5 floor Patentee after: Xinli Technology (Shenzhen) Co., Ltd. Address before: Two 20 15E, 518054 azure coast, Houhai Avenue, Guangdong, Shenzhen Patentee before: Zhidian Technology (Shenzhen) Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20140429 |