CN101118470A - Touch control type flat-panel display electric pole structure - Google Patents
Touch control type flat-panel display electric pole structure Download PDFInfo
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- CN101118470A CN101118470A CNA2006101082593A CN200610108259A CN101118470A CN 101118470 A CN101118470 A CN 101118470A CN A2006101082593 A CNA2006101082593 A CN A2006101082593A CN 200610108259 A CN200610108259 A CN 200610108259A CN 101118470 A CN101118470 A CN 101118470A
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Abstract
The present invention relates to a touch-control flat panel display, in particular to a touch-control flat panel display with multiple electrodes. The display screen of the flat panel display has an active device and a display pixel array, as well as a display scan electrode and a signal electrode which are connected with the active device on one piece of a glass substrate, while the other piece of the glass substrate of the display screen has a display common electrode. A touch-control electrode wire which is independent is also prepared on the glass substrate of the flat panel display screen, the touch-control electrode wire is insulated and isolated with the display scan electrode and the signal electrode, as well as the common electrode while not connecting with any active sensing element, the touch-control electrode wire is used especially to detect and transfer the touch-control signal. The method of preparing multiple electrodes on the glass substrate of the flat panel display screen allow the same flat panel display screen to have a display driving electrode wire and a touch-control detecting electrode wire which are separately arranged and provided with independent functions, wherein the display driving electrode wire transfers the display driving signal, and the touch-control detecting electrode wire detects and transfers the touch-control signal, thus combining the display screen with the touch-control screen into a whole.
Description
Technical field
The present invention relates to the touch control type active flat-panel monitor, be specifically related to multiple electrode touch control type active flat-panel monitor.
Background technology
The flat-panel monitor that has touch controllable function at present constitutes with parts such as display screen, display driver, touch screen, touching signals detecting device, backlights, touch screen has resistance-type, condenser type, electromagnetic type, ultrasonic type and the photo-electric etc. of using different sensing principles, and display screen has TN/STN LCDs, TFT LCDs, OLED display screen, PDP display screen, CNT display screen etc.The flat-panel monitor that has touch screen is that the touch screen of split and display screen is stacked together, detects the planimetric position of touch point by display screen, makes the cursor on the display screen follow the location, touch point again.The stacked touch control type flat-panel display thickening that makes of touch screen and display screen becomes heavy cost increase; When touch screen placed the display screen front, the reflection that the touch screen sensing electrode produces can make again and show uneven Uniform and show decrease of contrast under strong ambient light environment, influence display effect.Trackpad and display screen being become one, make the flat-panel monitor with touch controllable function become more frivolous, is the direction that people make great efforts.
The integration mode of display screen and Trackpad is mainly stacked and inserted two kinds, stacked is to place Trackpad before the end face of display screen or after the bottom surface, display screen and Trackpad are independently born respectively and are shown and the touch-control task, Chinese patent (CN20010141451, MINXIANG INDUSTRY CO LTD, 2001), Finnish patent (FI19960002692, NOKIA MOBILE PHONES LTD, 1996), Jap.P. (JP19850161986, CANON KK, 1985), (JP19900095167, NIPPON TELEGRAPH ﹠amp; TELEPHONE, 1990), (JP19930306286, PFU LTD, 1993), (JP19980014850, NISSHA PRINTING, 1998), (JP19990142260, MIMAKI DENSHI BUHIN KK, 1999), Korean Patent (KR20000084115, YU HWAN SEONG; LIM JOO-SOO, 2000), (KR20020083301, BANG YONG IK; Etc., 2002), Taiwan patent (TW556141, AUOPTRONICS CORP, 2002), United States Patent (USP) (US6215476, APPLE COMPUTER, 2001), (US20030347603, TOPPOLY OPTOELECTRONICS CORP, 2003) etc. multinomial patent has all proposed resistance-type, condenser type, the Trackpad of electromagnetic type and the various stacked scheme of display screen, but Trackpad places before the display screen end face, can influence the display effect such as brightness, contrast, sharpness, color of demonstration; The electromagnetic touch-control plate places after the display screen bottom surface, makes the contraposition difficulty of touchpad electrodes and display screen electrode, also can influence the brightness of demonstration; And stacked method also can increase the integral thickness of display; The complexity of structure can cause reliability decrease again, and by the complexity of the complexity of production run and assembling also to making cost higher.
Inserted is that touch sensing is embedded in the display screen, at the other sensor (mostly being optical sensor) of settling of each display element, connect display element and sensor with dual electrode, difference transmitting and displaying drive signal and touch-control detectable signal, Korean Patent (KR20030019631, JUNG YONG CHAE; YANGDONG KYU, 2003), (KR20030077574, CHOI JOON-HOO; JOO IN-SOO, 2003), Deutsche Bundespatent (GB0304587.9, SHARP, 2003), United States Patent (USP) (US19970955388, SONYELECTRONICS INC, 1997), (US19980135959, IBM, 1998), (US20030721129, EASTMAN KODAK CO, 2003) etc. multinomial patent has also proposed inserted scheme respectively, but touch sensing is inlaid into the manufacturing process complexity of display screen and dual electrode, the electrode outlet line difficulty, thereby also to making the cost height, and also may produce the mutual interference mutually of display drive signals and touch-control detectable signal.
Also the someone attempts to survey touch-control by the method for electric capacity between the box of surveying LCDs, as Taiwan patent (TW20020116058, LEE YU-TUAN, 2002), changes in capacitance is to cause that by touch-control pressure the thick variation of box produces between box, support between box makes the very big strength of the thick needs of the box that must change LCDs, and the box that changes LCDs is thick must influence demonstration, the dielectric anisotropy of liquid crystal material makes that again electric capacity changes with showing between box, get rid of that changes in capacitance can influence demonstration again between the box that the liquid crystal material dielectric anisotropy causes, so the method that electric capacity is surveyed touch-control between the box of this detection LCDs is worthless.
Find out a kind of scheme that solves above-mentioned complex structure, the manufacturing process difficulty is big, production run is complicated and assembles challenge, improve reliability, improve display effect, compressed thickness, reduce cost, realize that with succinct method the flat-panel monitor touch controllable function is necessary.
Application number is that 200510080825X, patents such as 2005100861285 have proposed to utilize display screen line scan electrode and column signal electrode as touch-control electrode senses touch-control, or the timesharing of display screen electrode is communicated with driving circuit and touch-control circuit by analog switch, or drive signal and touching signals are input on the display screen electrode simultaneously by the signal loading circuit, make to need not in display screen, to manufacture any sensor, allow the flat-panel monitor display screen have perception touching signals ability.But display driver and touch-control are surveyed respectively and are transmitted on same group of display screen electrode with scanning, flat panel displays for high way, the switching of display drive signals and touch-control detectable signal or loading, required element huge many, control method is numerous and diverse, and the possibility of the decline of the rising that causes cost and reliability is arranged.
Summary of the invention
The present invention aims to provide a kind of method of the multiple electrode for preparing on the base plate glass of active panel display screen, allow have on the same active panel display screen discrete, function independently display driver electrode wires and touch-control exploring electrode line are set, display driver electrode wires transmitting and displaying drive signal, touch-control exploring electrode line sensing and transmission touching signals allow display screen and touch screen unite two into one.
Technical thought of the present invention is: have TFT and display element array on a slice base plate glass as the display screen of flat panel displayses such as TFT-LCD, with the reading scan electrode that links to each other with the grid 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.On the base plate glass of active panel display screen, prepare other electrode wires again, be specifically designed to sensing and transmission touching signals, realize the touch-control location.
Technical solution of the present invention is: the active-device array basal plate at active panel display screen is on glass, prepares two groups of parallel with signal electrode with the reading scan electrode respectively electrode wires, is used for touch-control and surveys.Touch-control electrode wires and reading scan electrode and signal electrode insulation are isolated, and the touch-control electrode wires does not connect any active sensor element, directly is coupled with touch-control electrode wires and touch control object.Every the touch-control electrode wires all has leading foot.Display driver circuit drives each pixel displayed image of active panel display screen to reading scan electrode and signal electrode output display drive signals; Touch-control circuit is to mutually orthogonal touch-control electrode wires output or detect touching signals.When close a certain the touch-control electrode of touch control objects such as finger or pointer, produce a coupling capacitance between touch control object and touch-control electrode, touch control object and touch-control electrode produce electromagnetic coupled by coupling capacitance, the touch-control circuit from then on turbid leakage touching signals of bar touch-control electrode is given touch control object, or from then on bar touch-control electrode receives the touching signals that touch control object sends, is the touch-control keeper electrode by detecting touching signals with this strip electrode, determines the touch-control anchor point with the touch-control keeper electrode of two intersections of ranks.When many touch-control electrode positions detect touching signals, be the touch-control anchor point with the electrode of signal maximum, or be the touch-control anchor point with these centre positions that detect the touch-control electrode of touching signals.
Another kind of scheme is: the common electrode substrate at active panel display screen is on glass, prepares two groups of mutually orthogonal electrode wires, is used for touch-control and surveys.The touch-control electrode wires is isolated with showing the public electrode insulation, and the touch-control electrode wires does not connect any active sensor element, directly is coupled with touch-control electrode and touch control object.Every the touch-control electrode wires all has leading foot.Display driver circuit drives each pixel displayed image of active panel display screen to reading scan electrode and signal electrode output display drive signals; Touch-control circuit is to the output of the touch-control electrode wires on the common electrode substrate or detect touching signals.When close a certain the touch-control electrode of touch control objects such as finger or pointer, produce a coupling capacitance between touch control object and touch-control electrode, touch control object and touch-control electrode produce electromagnetic coupled by coupling capacitance, touch-control circuit from then on bar touch-control electrode Vent leaks touching signals to touch control object, or from then on bar touch-control electrode receives the touching signals that touch control object sends, is the touch-control keeper electrode by detecting touching signals with this strip electrode, determines the touch-control anchor point with the touch-control keeper electrode of two intersections of ranks.When many touch-control electrode positions detect touching signals, be the touch-control anchor point with the electrode of signal maximum, or be the touch-control anchor point with these centre positions that detect the touch-control electrode of touching signals.
The touch-control electrode wires can be metal wire, also can be the metal conductive oxide line, also can be non-metal conductive wire.
Touch-control electrode wires leading foot can with the same edge direction of reading scan electrode wires and signal electrode line leading foot; Also can with reading scan electrode wires and signal electrode line leading foot to edge direction.
Touch-control circuit with scan mode output or detection touching signals, can be to carry out in the frame of display driver circuit to show electrode output display drive signals the touch-control electrode wires, can be synchronous with display drive signals, and also can be asynchronous with display drive signals.Touch-control circuit with scan mode output or detection touching signals, can be at display driver circuit the interframe of show electrode output display drive signals to be carried out the touch-control electrode wires.In the interframe that shows, when display driver circuit stopped show electrode output display drive signals, touch-control circuit was just to output of touch-control electrode wires or detection touching signals.
Touching signals generation circuit can be set in touch-control circuit, send coupled signal with touch control object; Also the touching signals receiving circuit can be set, receive coupled signal with touch control object; Also the touching signals testing circuit can be set, detect the touching signals that sends or detect the touching signals that receives; But have a kind of in touching signals generation circuit, touching signals receiving circuit and the touching signals testing circuit at least.
Touching signals can be and display drive signals same frequency coding together, also can be and display drive signals different frequency and different coding.
Detection to touching signals can be to detect flow, can be detected amplitude, can be to detect pulsewidth, can be to detect frequency, can be detected phase, also can be to detect coding.
Flat panel displays can be active-matrix liquid crystal display (as TFT-LCD), active organic LED display (TFT-OLED), also can be other flat panel displayses.
Brief Description Of Drawings
Fig. 1 is a kind of touch-control liquid crystal display electric connecting relation figure that detects touch-control electrode wires leakage current.
Fig. 2 is a kind of touch-control liquid crystal display electric connecting relation figure that touch-control electrode wires emission row touch-control electrode wires receives and row touch-control electrode wires emission row touch-control electrode wires receives that goes.
Fig. 3 is the touch-control liquid crystal display electric connecting relation figure that a kind of pointer emission touch-control electrode receives touching signals.
Fig. 4 is the touch-control liquid crystal display electric connecting relation figure that a kind of touch-control electrode wires emission pointer receives touching signals.
Embodiment
One of embodiments of the invention are as shown in Figure 1: a kind of touch-control liquid crystal display 100 that detects touch-control electrode wires leakage current.LCD 100 has TFT-LCD screen 110, the TFT-LCD screen has tft array substrate on glass 111 and common electrode substrate glass 112, N bar reading scan electrode 121 and M bar shows signal electrode 122 are arranged on the tft array substrate glass 111, in tft array substrate 111 preparation n bar row metal touch-control electrode wires 131 and m bar row metal touch-control electrode wires 132 on glass, touch-control electrode wires 131 and 132 has leading foot with show electrode 121 and 122 from homonymy respectively, and ITO public electrode 140 is arranged on the common electrode substrate glass 112.The reading scan electrode 121 of LCDs 110 connects display driver circuit 151, shows signal electrode 122 connects display driver circuit 152, row touch-control electrode wires 131 is connected touch-control circuit 160 with row touch-control electrode wires 132, and control circuit 170 connects display driver circuit 151,152 and touch-control circuit 160.In display frame, display driver circuit 151 and 152 is to display driver electrode 121 and 122 output display drive signals, and driving has the plain demonstration of TFT-LCD screen image; Between display frame, display driver circuit 151 and 152 stops show electrode 121 and 122 output display drive signals, and touch-control circuit 160 is exported touching signals with scan mode to row touch-control electrode wires 131 and row touch-control electrode wires 132.When the finger 180 of touch-control touches LCDs 110, when a certain strip electrode in the capable touch-control electrode wires 131 of n bar is connected to touch-control circuit 160, touch-control circuit 160 detects the leakage current that electrode flows out by finger 180 and interelectrode coupling capacitance, thereby determines the trip keeper electrode; Can determine the keeper electrode of falling out equally; Determine position of touch by column electrode and row electrode keeper electrode separately.
Embodiments of the invention two as shown in Figure 2: a kind ofly go the touch-control liquid crystal display 200 that touch-control electrode wires emission row touch-control electrode wires receives and row touch-control electrode wires emission row touch-control electrode wires receives.LCD 200 has TFT-LCD screen 210, on the TFT-LCD screen tft array substrate glass 211 and common electrode substrate glass 212 are arranged, N bar reading scan electrode 221 and M bar shows signal electrode 222 are arranged on the tft array substrate glass 211, preparation n bar row metal touch-control electrode wires 231 and m bar row metal touch-control electrode wires 232 on tft array substrate glass 211, touch-control electrode wires 231 and 232 respectively with show electrode 221 and 222 never homonymy have leading foot, ITO public electrode 240 is arranged on the common electrode substrate glass 212.The reading scan electrode 221 of LCDs 210 connects display driver circuit 251, shows signal electrode 222 connects display driver circuit 252, row touch-control electrode wires 231 is connected the touch-control circuit 260 with signal generating circuit 261 and signal receiving circuit 262 with row touch-control electrode wires 232, and control circuit 270 connects display driver circuit 251,252 and touch-control circuit 260.In display frame, display driver circuit 251 and 252 is to show electrode 221 and 222 output display drive signals, and driving has the plain demonstration of TFT-LCD screen image; Between display frame, display driver circuit 251 and 252 stops show electrode 221 and 222 output display drive signals, touch-control circuit 260 allows capable touch-control electrode wires single or part be communicated with touching signals receiving circuit 262 with scan mode and receives touching signals, remaining row touch-control electrode wires is communicated with touching signals generation circuit 261, when people's finger 280 contacts the connection touching signals receiving circuit 262 touch-control electrodes of touch screens, finger 280 forms coupling capacitance with the touch-control electrode, disturbed the touch-control electrode pair that connects touching signals receiving circuit 262 from the reception that connects the touching signals that touching signals generation circuit 261 electrodes send, with disturbed to the touch-control electrode of connection touching signals receiving circuit 262 be the row keeper electrode; Receive touching signals with row touch-control electrode connection touching signals receiving circuit 262 single or partly equally, remaining row touch-control electrode is communicated with touching signals generation circuit 261 and locatees the keeper electrode of falling out; Determine position of touch by column electrode and row electrode keeper electrode separately.
Embodiments of the invention three as shown in Figure 3: a kind of pointer emission touch-control electrode receives the touch-control liquid crystal display 300 of touching signals.LCD 300 has TFT-LCD screen 310, the TFT-LCD screen has tft array substrate on glass 311 and common electrode substrate glass 312, N bar reading scan electrode 321 and M bar shows signal electrode 322 are arranged on the tft array substrate glass 311, preparation n bar row metal touch-control electrode wires 331 and m bar row metal touch-control electrode wires 332 on tft array substrate glass 311, touch- control electrode wires 331 and 332 respectively with show electrode 321 and 322 never homonymy have leading foot, ITO public electrode 340 is arranged on the common electrode substrate glass 312.The reading scan electrode 321 of LCDs 310 connects display driver circuit 351, shows signal electrode 322 connects display driver circuit 352, row touch-control electrode wires 331 is connected touching signals testing circuit 360 with row touch-control electrode wires 332, and control circuit 370 connects display driver circuit 351,352 and touching signals testing circuit 360.In display frame, display driver circuit 351 and 352 is to show electrode 321 and 322 output display drive signals, and driving has the plain demonstration of TFT-LCD screen image; In display frame, touching signals testing circuit 360 is communicated with capable touch-control electrode wires 331 single or part with scan mode equally.When the pointer 380 with signal emission function is touched LCDs 310, a certain strip electrode in the capable touch-control electrode wires 331 of n bar is when being communicated with touching signals testing circuit 360, touching signals testing circuit 360 detects the signal of pointer 380 emissions, thereby determines the trip keeper electrode; Equally, a certain strip electrode in the m bar row touch-control electrode wires 332 is when being communicated with touching signals testing circuit 360, and touching signals testing circuit 360 detects the signal of pointer 380 emissions, thereby determines the keeper electrode of falling out; Determine position of touch by column electrode and row electrode keeper electrode separately.
Embodiments of the invention four as shown in Figure 4: a kind of touch-control electrode wires emission pointer receives the touch-control liquid crystal display 400 of touching signals.LCD 400 has TFT-LCD screen 410, the TFT-LCD screen has tft array substrate on glass 411 and common electrode substrate glass 412, N bar reading scan electrode 421 and M bar shows signal electrode 422 are arranged on the tft array substrate glass 411, ITO public electrode 430 is arranged on the common electrode substrate glass 412, preparation n bar capable ITO touch-control electrode wires 441 and m bar row ITO touch-control electrode wires 442 on common electrode substrate glass 412, between the touch- control electrode wires 441 and 442 and and 430 mutually insulateds of public electrode isolate, touch- control electrode wires 441 and 442 is drawn out pin from different directions with show electrode 421 and 422 respectively.The reading scan electrode 421 of TFT-LCD screen 410 connects display driver circuit 451, shows signal electrode 422 connects display driver circuit 452, row touch-control electrode wires 441 is connected touching signals generation circuit 460 with row touch-control electrode wires 442, and control circuit 470 connects display driver circuit 451,452 and touching signals generation circuit 460.In display frame, display driver circuit 451 and 452 is to show electrode 421 and 422 output display drive signals, and driving has the plain demonstration of TFT-LCD screen image; Equally in display frame, touching signals generation circuit 460 is communicated with capable touch-control electrode wires 441 and row touch-control electrode wires 442 single or part with scan mode, row touch- control electrode wires 441 and 442 outputs of row touch-control electrode wires are moved the coded signal that changes by what the touching signals generation circuit 460 with coding circuit 461 produced with scanning, to not exporting the ranks touch-control electrode wires output zero level signal of touching signals.When the pointer 480 with signal reception contacts touch screens, pointer 480 receives the touching signals generation circuit 460 with coding circuit 461 and outputs to capable touch-control electrode wires 441 and row touch-control electrode wires 442, move the coded signal that changes from what ranks touch-control electrode wires emitted with scanning again, determine keeper electrode with the coding that receives, determine position of touch by row touch-control electrode and row touch-control electrode keeper electrode separately.
Above-mentioned four embodiment do not represent all possible embodiment, and other deformation program also should be protection scope of the present invention.
Claims (11)
1. a touch control type active flat-panel monitor has active device and display element array on a slice base plate glass of active display screen, with the reading scan electrode and the signal electrode that link to each other with active device; Another plate base is on glass to have the demonstration public electrode.It is characterized in that: on the base plate glass of active panel display screen preparation and display driver electrode wires discrete, with reading scan electrode and signal electrode and public electrode touch-control electrode group isolation, that be not connected any active sensor element that insulate, touch-control electrode and touch control object directly are coupled, sensing also transmits touching signals, and every touch-control electrode wires all connects touch-control circuit with leading foot.
2. touch control type active flat-panel monitor according to claim 1, it is characterized in that: on glass at active-device array basal plate, prepare two groups respectively with the reading scan electrode parallel with signal electrode, with reading scan electrode and signal electrode insulation touch-control electrode wires that isolate, that be not connected any active sensor element, every touch-control electrode wires all connects touch-control circuit with leading foot.
3. touch control type active flat-panel monitor according to claim 1, it is characterized in that: showing that common electrode substrate is on glass, prepare two groups mutually orthogonal, with show public electrode insulation touch-control electrode wires that isolate, that be not connected any active sensor element, every touch-control electrode wires all connects touch-control circuit with leading foot.
4. according to claim 2 or 3 described touch control type active flat-panel monitors, it is characterized in that: the touch-control electrode wires is at least a in metal wire, metal conductive oxide line, the nonmetal conductor wire.
5. according to claim 2 or 3 described touch control type active flat-panel monitors, it is characterized in that: touch-control electrode wires leading foot with the same edge direction of reading scan electrode wires and signal electrode line leading foot.
6. according to claim 2 or 3 described touch control type active flat-panel monitors, it is characterized in that: touch-control electrode wires leading foot with reading scan electrode wires and signal electrode line leading foot to edge direction.
7. according to claim 2 or 3 described touch control type active flat-panel monitors, it is characterized in that: touch-control circuit carries out interaction with scan mode and touch-control electrode wires at least a mode in output touching signals, the detection touching signals.
8. the scanning interaction mode between touch-control circuit according to claim 7 and touch-control electrode wires is characterized in that: touch-control circuit is to carry out in the frame of display driver to the scanning of touch-control electrode wires.
9. the scanning interaction mode between touch-control circuit according to claim 7 and touch-control electrode wires is characterized in that: touch-control circuit is to carry out in the interframe of display driver to the scanning of touch-control electrode wires.
10. according to claim 2 or 3 described touch control type active flat-panel monitors, it is characterized in that: touching signals and display drive signals different frequency and different coding.
11., it is characterized in that: be at least a in the amplitude, pulsewidth, frequency, phase place, coding of detection signal to the detection of touching signals according to claim 2 or 3 described touch control type active flat-panel monitors.
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| CN2006101082593A CN101118470B (en) | 2006-08-02 | 2006-08-02 | Touch control type flat-panel display electric pole structure |
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| CN2006101082593A CN101118470B (en) | 2006-08-02 | 2006-08-02 | Touch control type flat-panel display electric pole structure |
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| CN101887333A (en) * | 2009-05-11 | 2010-11-17 | 智点科技（深圳）有限公司 | Digital capacitive touch screen |
| WO2011017891A1 (en) * | 2009-08-12 | 2011-02-17 | 智点科技有限公司 | Active touch control system |
| CN102043535A (en) * | 2009-10-23 | 2011-05-04 | 三星电子株式会社 | Touch substrate and display device having the same |
| WO2011147200A1 (en) * | 2010-05-27 | 2011-12-01 | 智点科技（深圳）有限公司 | Touch-control interferometric modulation display |
| CN101727228B (en) * | 2008-10-21 | 2012-11-28 | 华映视讯（吴江）有限公司 | Touch panel and touch method thereof |
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| CN101887333A (en) * | 2009-05-11 | 2010-11-17 | 智点科技（深圳）有限公司 | Digital capacitive touch screen |
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| CN102043535A (en) * | 2009-10-23 | 2011-05-04 | 三星电子株式会社 | Touch substrate and display device having the same |
| US9830038B2 (en) | 2009-10-23 | 2017-11-28 | Samsung Display Co., Ltd. | Touch substrate, method of manufacturing the same and display device having the same |
| US9239651B2 (en) | 2009-10-23 | 2016-01-19 | Samsung Display Co., Ltd. | Touch substrate, method of manufacturing the same and display device having the same |
| WO2011147200A1 (en) * | 2010-05-27 | 2011-12-01 | 智点科技（深圳）有限公司 | Touch-control interferometric modulation display |
| WO2013037117A1 (en) * | 2011-09-15 | 2013-03-21 | 智点科技（深圳）有限公司 | Touch displayer capable of excluding display influence touch |
| WO2013056472A1 (en) * | 2011-10-21 | 2013-04-25 | 智点科技（深圳）有限公司 | Drive method for active touch control system |
| WO2013075279A1 (en) * | 2011-11-21 | 2013-05-30 | 智点科技（深圳）有限公司 | Active touch control flat-panel display |
| CN104737109A (en) * | 2012-10-15 | 2015-06-24 | 松下知识产权经营株式会社 | Input device and liquid crystal display device |
| CN108446053A (en) * | 2018-03-27 | 2018-08-24 | 京东方科技集团股份有限公司 | Array substrate and its manufacturing method, display device |
| CN114489386A (en) * | 2022-02-21 | 2022-05-13 | 深圳市隆利科技股份有限公司 | Touch display screen based on direct type mini LED backlight module |
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|---|---|
| CN101118470B (en) | 2010-12-29 |
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