CN104423102A - Liquid crystal display screen, display device and method for improving display effect of display device - Google Patents
Liquid crystal display screen, display device and method for improving display effect of display device Download PDFInfo
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- CN104423102A CN104423102A CN201310395707.2A CN201310395707A CN104423102A CN 104423102 A CN104423102 A CN 104423102A CN 201310395707 A CN201310395707 A CN 201310395707A CN 104423102 A CN104423102 A CN 104423102A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13392—Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display screen. The liquid crystal display screen comprises an upper alignment layer, a lower alignment layer, a support, an upper metal layer, a lower metal layer, a grid scanning line and a driving circuit, wherein the upper metal layer is arranged below the upper alignment layer; the lower metal layer is arranged above the lower alignment layer; the upper metal layer and the lower metal layer are separated from each other by the support so that a cell gap is formed; the upper metal layer and the lower metal layer are staggered; the support, the upper metal layer and the lower metal layer form a capacitor; and when the capacitor is changed, the changing condition is fed back to the driving circuit through the grid scanning line. The invention also provides a display device and a method for improving the display effect of the display device. According to the technical scheme, poor gap cell uniformity caused by damage or breakage of the support can be avoided effectively, so that the display effect of the liquid crystal display screen with a touch function is improved.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of LCDs, display device and improvement thereof and show bad method.
Background technology
People are not strange for touching technique, and bank is all provided with the cash dispenser of touch function mostly, and there is the computer of touch function in the hall in hospital, library etc.In addition, support that the mobile phone of touch-screen, MP3, digital camera also come much at present.Fig. 1 is the structural representation of existing display device, and as shown in Figure 1, the display device that people see comprises the touch-screen 1 on upper strata, and the liquid crystal display (LCD, Liquid CrystalDisplay) of lower floor shields 2; Wherein, described touch-screen 1 plays sensor, be a transparent glass substrate with touch-responsive surface, described touch-screen 1 is generally arranged on above described LCD screen 2, makes the touch area of the panel of described touch-screen 1 can cover the viewing area of described LCD screen 2; LCD screen 2 comprises upper substrate 21, infrabasal plate 22, and upper substrate 21, infrabasal plate 22 are connected by stilt (PS) 23, and the height that upper substrate, infrabasal plate separate is box thick (Cell Gap) by stilt 23; Be provided with liquid crystal and tiny electric wire that is vertical and level between the upper substrate 21 of LCD screen 2, infrabasal plate 22, by whether being energized to, liquid crystal molecule changes direction, and light refraction is out produced picture.
Fig. 2 is the composition structural representation of a kind of LCD screen in prior art, and as shown in Figure 2, LCD screen comprises the stilt (PS) 23 of upper substrate, infrabasal plate and support upper substrate and infrabasal plate, and it is thick that the height that upper substrate, infrabasal plate separate is box by stilt 23; Wherein, described upper substrate comprises upper polarizer 201, top glass substrate 202, black matrix 203, colored pixels 204, public electrode 205 and upper oriented layer 206; Described infrabasal plate comprises lower oriented layer 207, protective seam 208, tin indium oxide (ITO, Indium Tin Oxide) pixel electrode 209, gate insulator 210, storage capacitance hearth electrode 211, lower glass substrate 212, grid 213, active layer 214, drain electrode 215, source lead 216 and lower polaroid 217.LCD screen, except described upper substrate, infrabasal plate and stilt, also comprises the parts such as drive integrated circult (IC, Integrated Circuit) 218, printed circuit board (PCB) 219, control IC220; Due to LCD product a great variety, the upper substrate of different types of LCD, infrabasal plate are each variant, but similar substantially, repeat no more here.
Continue see Fig. 1, LCD utilizes the principle of the electrooptical effect of liquid crystal, by transmissivity and the reflectivity of control circui liquid crystal cells, the beautiful image of different gray-level and nearly 1,670 ten thousand kinds of colors can be produced, therefore, the imaging results of LCD will be good than CRT many, the existing picture reproducer having become main flow.When people touch or press touch-screen 1, touch-screen 1 can produce an electric current accordingly and flow through panel, thus produce the change of voltage signal, the controller sensing that this change in voltage will be touched in screen 1, thus can determine that people touch the touch location on touch-screen 1.
Because LCD screen 2 and touch-screen 1 combine application, as shown in Figure 3, when people touch continually touch-screen 1 or press, also be indirectly applied in LCD screen 2, comparatively fatal for such push action traditional LCD product, because easily cause stilt 23 to be out of shape even to break, thus cause stilt to be out of shape or the box of rent is thick changes, pressing front cabinet thick is as shown in Figure 1 A, back box is thick becomes B in pressing as shown in Figure 2, so, the transmitance at this place will be made to occur change, also cause picture in bad phenomenon such as colour cast locally and water ripples (Mura), so that affect the normal display of LCD.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of LCDs, display device and improvement thereof to show bad method, the PS thick property of box that is damaged or that rupture and cause effectively can be avoided bad, thus improve the display effect with the LCD screen of touch function.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of LCDs, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit; The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; It is thick that described upper metal level and lower metal layer are separated formation box by above support, and described upper metal level and described lower metal layer are crisscross arranged; Above support, upper metal level, lower metal layer form electric capacity, feed back to described driving circuit when described electric capacity changes by described controlling grid scan line.
Further, the shape of institute's stilt is column or spherical; The material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide; The material of described upper oriented layer and described lower oriented layer is resene organic material.
A kind of display device, described display device comprise touch-screen and as above go up described in LCDs.
Improve the method that display is bad, described method comprises: in LCDs, the two ends up and down of stilt arrange metal level respectively, and metal level described in two and above support form electric capacity; The source electrode data line that controlling grid scan line Detection capacitance changes, and the source electrode data line changed by described electric capacity sends to driving circuit; The transmitance of described driving circuit to the electric capacity place of changing compensates.
Further, the transmitance of described driving circuit to the electric capacity place of changing compensates, comprise: described driving circuit changes according to electric capacity the adjusted value of transmitance determination original gray-scale voltage at place, and the adjusted value of described original gray-scale voltage is fed back to the controlling grid scan line of next frame; Controlling grid scan line changes electric capacity according to the adjusted value of described original gray-scale voltage and to change the original gray-scale voltage at place, thus recovers electric capacity and to change the transmitance at place.
LCDs provided by the invention, display device and improvement thereof show bad method, and wherein, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit; The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; It is thick that described upper metal level and lower metal layer are separated formation box by above support, and described upper metal level and described lower metal layer are crisscross arranged; Above support, upper metal level, lower metal layer form electric capacity, feed back to described driving circuit when described electric capacity changes by described controlling grid scan line; So, the electric capacity that the present invention utilizes stilt and upper metal level and lower metal layer to be formed, lining by line scan of certain frequency is carried out by controlling grid scan line, thus detect the source electrode data line that the electric capacity caused because of thick the changing of box changes, and then accurately find out the particular location that on LCD, generation pressing is bad; And by driving circuit end, the signal producing pressing defective region is adjusted, change its original gray-scale voltage, the display transmitance making this region final changes, compensate the transmitance change brought due to the thick change of box, and then avoid the PS thick property of box that is damaged or that rupture and cause bad, greatly improve the display effect with the LCD screen of touch function.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing display device;
Fig. 2 is the composition structural representation of a kind of LCD screen in prior art;
Fig. 3 is the structural representation of existing display screen when pressing;
Fig. 4 is the structural representation of display screen of the present invention;
Fig. 5 is the vertical view of capacitance structure in display screen of the present invention;
Fig. 6 is the structural representation of display screen of the present invention when pressing;
Fig. 7 is the principle of work schematic diagram that PS of the present invention scans feedback line.
Description of reference numerals:
1--touch-screen; 2--LCD shields; 21--upper substrate; 22--infrabasal plate; 23--stilt; 201--upper polarizer; 202--top glass substrate; The black matrix of 203--; 204--colored pixels; 205--public electrode; The upper oriented layer of 206--; Oriented layer under 207--; 208--protective seam; 209--ITO pixel electrode; 210--gate insulator; 211--storage capacitance hearth electrode; 212--lower glass substrate; 213--grid; 214--active layer; 215--drain electrode; 216--source lead; Polaroid under 217--; 218--driving circuit; 219--printed circuit board (PCB); 220--control IC; The upper metal level of 24--; 25--lower metal layer.
Embodiment
The display of LCD screen is the electrooptical effect utilizing liquid crystal, by transmissivity and the reflectivity of control circui liquid crystal cells, thus produces different gray-level and reaches 1,670 ten thousand kinds of colors.In fact, in the production run of LCD screen, transmitance is the important parameter affecting LCD screen performance.In general, in the factors of transmitance affecting LCD screen, the thick and gray scale voltage of box is the factor of outbalance, therefore, in the production run of LCD screen, as long as can the thick and gray scale voltage of control enclosure effectively, just can control this important parameter of transmitance well.
Basic thought of the present invention is: when the change that box is thick causes transmitance to change, by changing the original gray-scale voltage of transmitance region of variation, the final transmitance in described region is changed, compensate with this transmitance change brought due to the thick change of box, thus it is bad to improve LCD screen display that is damaged due to PS or that rupture and cause.
A kind of LCDs provided by the invention, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit;
The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; It is thick that described upper metal level and lower metal layer are separated formation box by above support, and described upper metal level and described lower metal layer are crisscross arranged;
Above support, upper metal level, lower metal layer form electric capacity, feed back to described driving circuit when described electric capacity changes by described controlling grid scan line.
Wherein, the shape of institute's stilt is column or spherical.
Wherein, the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
Wherein, the material of described upper oriented layer and described lower oriented layer is resene organic material.
A kind of display device provided by the invention, described display device comprises touch-screen and described LCDs.
A kind of improvement provided by the invention shows bad method, and described method comprises:
In LCD screen, the two ends up and down of stilt arrange metal level respectively, and metal level described in two and above support form electric capacity;
The source electrode data line that controlling grid scan line Detection capacitance changes, and the source electrode data line changed by described electric capacity sends to driving circuit;
The transmitance of described driving circuit to the electric capacity place of changing compensates.
Wherein, the transmitance of described driving circuit to the electric capacity place of changing compensates, and comprising:
Described driving circuit changes according to electric capacity the adjusted value of transmitance determination original gray-scale voltage at place, and the adjusted value of described original gray-scale voltage is fed back to the controlling grid scan line of next frame;
Controlling grid scan line changes electric capacity according to the adjusted value of described original gray-scale voltage and to change the original gray-scale voltage at place, thus recovers electric capacity and to change the transmitance at place.
Wherein, described controlling grid scan line scans described source electrode data line according to certain frequency.
Wherein, described method also comprises: the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
Embodiment
Fig. 4 is the structural representation of display screen of the present invention, as shown in Figure 4, the display screen that the present embodiment provides comprises touch-screen 1 and LCD screen 2, described touch-screen 1 is arranged on the top of described LCD screen 2, described LCD screen 2 comprises upper substrate 21 and infrabasal plate 22, the below of described upper substrate 21 is provided with metal level 24, lower metal layer 25 is provided with above described infrabasal plate 22, described upper metal level 24, lower metal layer 25 is mutually vertical to be arranged, stilt 23 is provided with between metal level 24 and lower metal layer 25 on described, above support 23 and upper metal level 24, lower metal layer 25 forms electric capacity, Fig. 5 is the vertical view of capacitance structure in display screen of the present invention, the height that metal level 24 upper described in two and lower metal layer 25 separate is Cell Gap by above support 23.
Fig. 6 is the structural representation of display screen of the present invention when pressing, as shown in Figure 6, when pressing causes stilt 23 that breakage occurs, the box of stilt 23 breakage is thick becomes B(as Fig. 4 from A, shown in Fig. 6), now, stilt 23 and upper metal level 24, also corresponding change can be there is in the electric capacity that lower metal layer 25 is formed, the change of capacitance signal is fed back to driving circuit by controlling grid scan line, after the signal of driving circuit to stilt breakage processes, according to the thick change that after change, transmitance can produce from A to B of box, the signal of feedback is sent the controlling grid scan line of next frame, by controlling grid scan line, stilt breakage transmitance is compensated, make the transmitance level that the transmitance of stilt breakage and other regions keep identical.
Fig. 7 is the principle of work schematic diagram of controlling grid scan line of the present invention, and as shown in Figure 7, controlling grid scan line can adopt the mode of similar capacitive touch screen circuit to scan; Concrete, the progressive-source number of poles of certain frequency is carried out according to (Date) line by grid (Gate) sweep trace, thus detect the source electrode data line that the electric capacity caused because of thick the changing of box changes, and then accurately find out the particular location that in LCD screen, generation pressing is bad; And by driving circuit end, the signal producing pressing defective region is adjusted, change its original gray-scale voltage, the display transmitance making this region final changes, compensate the transmitance change brought due to the thick change of box, and then avoid the PS thick property of box that is damaged or that rupture and cause bad, greatly improve the display effect with the LCD screen of touch function.
It should be noted that, the display device that the embodiment of the present invention provides, it can be: any product or parts with Presentation Function such as liquid crystal panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The above; be only better embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in technical scope disclosed by the invention; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. a LCDs, is characterized in that, described LCDs comprises oriented layer, lower oriented layer, stilt, upper metal level, lower metal layer, controlling grid scan line and driving circuit;
The below of described upper oriented layer is provided with described upper metal level, and the top of described lower oriented layer is provided with lower metal layer; It is thick that described upper metal level and lower metal layer are separated formation box by above support, and described upper metal level and described lower metal layer are crisscross arranged;
Above support, upper metal level, lower metal layer form electric capacity, feed back to described driving circuit when described electric capacity changes by described controlling grid scan line.
2. LCDs according to claim 1, is characterized in that, the shape of institute's stilt is column or spherical.
3. LCDs according to claim 1, is characterized in that, the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
4. the LCDs according to any one of claims 1 to 3, is characterized in that, the material of described upper oriented layer and described lower oriented layer is resene organic material.
5. a display device, is characterized in that, described display device comprises touch-screen and the LCDs as described in any one of Claims 1-4.
6. improve the method that display is bad, it is characterized in that, in LCDs, the two ends up and down of stilt arrange metal level respectively, and metal level described in two and above support form electric capacity; Described method comprises:
The source electrode data line that controlling grid scan line Detection capacitance changes, and the source electrode data line changed by described electric capacity sends to driving circuit;
The transmitance of described driving circuit to the electric capacity place of changing compensates.
7. method according to claim 6, is characterized in that, the transmitance of described driving circuit to the electric capacity place of changing compensates, and comprising:
Described driving circuit changes according to electric capacity the adjusted value of transmitance determination original gray-scale voltage at place, and the adjusted value of described original gray-scale voltage is fed back to the controlling grid scan line of next frame;
Controlling grid scan line changes electric capacity according to the adjusted value of described original gray-scale voltage and to change the original gray-scale voltage at place, thus recovers electric capacity and to change the transmitance at place.
8. the method according to claim 6 or 7, is characterized in that, described method also comprises: the material of described upper metal level, lower metal layer is tin indium oxide or indium zinc oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310395707.2A CN104423102B (en) | 2013-09-03 | 2013-09-03 | A kind of LCDs, display device and its bad method of improvement display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310395707.2A CN104423102B (en) | 2013-09-03 | 2013-09-03 | A kind of LCDs, display device and its bad method of improvement display |
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| CN104423102A true CN104423102A (en) | 2015-03-18 |
| CN104423102B CN104423102B (en) | 2017-06-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105159516A (en) * | 2015-09-18 | 2015-12-16 | 深圳市华星光电技术有限公司 | Touch display panel and touch display device |
| CN107481691A (en) * | 2017-08-31 | 2017-12-15 | 京东方科技集团股份有限公司 | A kind of voltage compensating method and device |
| CN108227981A (en) * | 2016-12-15 | 2018-06-29 | G2触控股份有限公司 | Display device with touch screen |
| WO2018119821A1 (en) * | 2016-12-26 | 2018-07-05 | 武汉华星光电技术有限公司 | Built-in touch panel and display device |
| CN109375814A (en) * | 2018-11-09 | 2019-02-22 | 惠州市华星光电技术有限公司 | Touch control method and touch control device |
| WO2019056485A1 (en) * | 2017-09-19 | 2019-03-28 | 惠科股份有限公司 | Liquid crystal display apparatus |
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| CN101303465A (en) * | 2007-05-08 | 2008-11-12 | 精工爱普生株式会社 | Liquid crystal device and electronic apparatus |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159516A (en) * | 2015-09-18 | 2015-12-16 | 深圳市华星光电技术有限公司 | Touch display panel and touch display device |
| CN105159516B (en) * | 2015-09-18 | 2018-01-12 | 深圳市华星光电技术有限公司 | Touch-control display panel and touch control display apparatus |
| CN108227981A (en) * | 2016-12-15 | 2018-06-29 | G2触控股份有限公司 | Display device with touch screen |
| CN108227981B (en) * | 2016-12-15 | 2021-06-01 | G2触控股份有限公司 | Display device with touch screen |
| WO2018119821A1 (en) * | 2016-12-26 | 2018-07-05 | 武汉华星光电技术有限公司 | Built-in touch panel and display device |
| CN107481691A (en) * | 2017-08-31 | 2017-12-15 | 京东方科技集团股份有限公司 | A kind of voltage compensating method and device |
| WO2019056485A1 (en) * | 2017-09-19 | 2019-03-28 | 惠科股份有限公司 | Liquid crystal display apparatus |
| CN109375814A (en) * | 2018-11-09 | 2019-02-22 | 惠州市华星光电技术有限公司 | Touch control method and touch control device |
| CN109375814B (en) * | 2018-11-09 | 2022-03-08 | 惠州市华星光电技术有限公司 | Touch method and touch device |
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| Publication number | Publication date |
|---|---|
| CN104423102B (en) | 2017-06-06 |
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