CN109410853B - Circuit and method for improving vertical crosstalk - Google Patents
Circuit and method for improving vertical crosstalk Download PDFInfo
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- CN109410853B CN109410853B CN201811236380.3A CN201811236380A CN109410853B CN 109410853 B CN109410853 B CN 109410853B CN 201811236380 A CN201811236380 A CN 201811236380A CN 109410853 B CN109410853 B CN 109410853B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A circuit and method for improving vertical crosstalk, which is characterized by comprising a plurality of data lines, a plurality of scanning lines, a plurality of pixel units formed by criss-cross intersection of the data lines and the scanning lines, and a functional module; the function module is controlled by the gate line, and a source electrode and a drain electrode of a first thin film transistor in the function module are respectively connected with the odd-numbered row data line and the even-numbered row data line; the method comprises the following steps: detecting whether the picture is a white frame with a gray bottom; if yes, when the grid line outputs a high level, a first thin film transistor in the functional module is conducted, and the odd-numbered row data lines and the even-numbered row data lines are in short circuit; when the gate line outputs a low level, the second thin film transistor and the third thin film transistor in the functional module are conducted, all the odd-numbered row data lines and the even-numbered row data lines are normally output, and each pixel starts to be charged; repeatedly outputting in a circulating manner; has the advantages that: by accessing the functional module, the polarity voltages of the adjacent column data lines are integrated, and the phenomenon of vertical crosstalk is improved.
Description
Technical content
The present invention relates to the field of display, and more particularly, to a circuit and method for improving vertical crosstalk.
Background
In a tft lcd, crosstalk is defined as a phenomenon that display in one area of the entire screen is affected by another area, which causes distortion of the screen. The crosstalk is mainly caused by polarity inversion of the data lines. The polarity inversion method is different, and the generated crosstalk phenomenon is also different. There are four main ways of polarity inversion: frame inversion, column inversion, row inversion, and dot inversion. Among them, vertical crosstalk is easily generated by column inversion. The generation of the vertical crosstalk can cause the abnormal phenomenon of the display screen due to the fact that the brightness of the upper part and the lower part of the display screen is darker than the background color in the gray scale state.
Therefore, the conventional display screen technology still has the problem of vertical crosstalk, and an improvement is urgently needed.
Disclosure of Invention
The invention relates to a circuit and a method for improving vertical crosstalk, which are used for solving the problem of vertical crosstalk in the prior art.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a circuit for improving vertical crosstalk, which comprises a plurality of data lines, a plurality of scanning lines, a plurality of pixel units and a functional module, wherein the pixel units are formed by criss-cross intersection of the data lines and the scanning lines; the functional module sends out a control signal to control the output of the display screen; the functional module is controlled by a grid line, and a source electrode and a drain electrode of a first thin film transistor in the functional module are respectively connected with an odd column data line and an even column data line.
According to a preferred embodiment of the present invention, each of the pixel units comprises: a thin film transistor, a liquid crystal capacitor and a storage capacitor.
According to a preferred embodiment of the present invention, the functional module includes a first thin film transistor, a second thin film transistor, and a third thin film transistor.
According to a preferred embodiment of the present invention, the second thin film transistors in the functional blocks are connected in series to the odd-numbered column data lines, and the third thin film transistors in the functional blocks are connected in series to the even-numbered column data lines.
According to a preferred embodiment of the present invention, the voltages of the data lines of adjacent columns are opposite to the voltage polarity of the common electrode, the data line voltages of all odd columns are positive, the data line voltages of all even columns are negative, and the number of the data lines of the odd columns is equal to that of the data lines of the even columns.
According to a preferred embodiment provided by the invention, the display device comprises a plurality of data lines, a plurality of scanning lines, a plurality of pixel units and a functional module, wherein the pixel units are formed by criss-cross intersection of the data lines and the scanning lines; the functional module sends out a control signal to control the output of the display screen; the functional module is controlled by a grid line, and a source electrode and a drain electrode of a first thin film transistor in the functional module are respectively connected with an odd-numbered column data line and an even-numbered column data line; the method comprises the following steps:
s10, detecting the display screen by using the picture detection function, and checking whether the picture is a white frame with a grey bottom;
s20, if the detected display screen displays a white frame picture with a gray bottom, when the grid line outputs a high level, the functional module controls the first thin film transistor to be conducted, and short-circuits the odd-numbered row data lines and the even-numbered row data lines;
s30, when the gate line outputs low level, the functional module controls the second thin film transistor and the third thin film transistor to be conducted, all the odd-numbered row data lines and the even-numbered row data lines are normally output, and each pixel starts to be charged;
and S40, inputting the signal again next time, and circulating to drive the voltage signal in an alternating current mode.
According to a preferred embodiment of the present invention, the step "S10" includes the following steps:
s101, setting a display screen to be detected into a picture with white middle and gray scales at the periphery;
s102, detecting a white area in the display screen by using an image detection function;
s103, detecting a first area between a first side edge of the display screen and a white area by using an image detection function;
s104, detecting a second area between a second side edge of the display screen and the white area by using an image detection function;
s105, checking the detection result: whether the first area and the second area are influenced by the white area is brighter than the background, namely the first area and the second area are a white frame picture with a gray bottom.
According to a preferred embodiment of the present invention, the step "S20" includes the following steps:
s201, if the detected display screen picture is a white frame with a gray bottom, when the grid line outputs a high level, the functional module controls the first thin film transistor to be conducted;
s202, the functional module controls the second thin film transistor to be disconnected;
s203, the functional module controls the third thin film transistor to be disconnected;
and S204, connecting all the odd-numbered column data lines and all the even-numbered column data lines in parallel by the functional module, and starting charging each pixel unit.
According to a preferred embodiment of the present invention, the step "S30" includes the following steps:
s301, when the gate line outputs low level, the functional module controls the first thin film transistor to be disconnected;
s302, the functional module controls the second thin film transistor to be conducted;
s303, the functional module controls the third thin film transistor to be conducted;
and S304, all the odd column data lines and all the even column data lines are normally output, and all the pixel electrodes are kept at the charging voltage.
According to a preferred embodiment of the present invention, the image detection function detects gray scales in the image of the display screen by counting.
The technical effects are as follows: by accessing the functional module, the polarity voltages of the adjacent column data lines are integrated, and the phenomenon of vertical crosstalk is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a first circuit diagram for improving vertical crosstalk according to an embodiment of the present invention.
Fig. 2 is a second circuit diagram for improving vertical crosstalk according to an embodiment of the present invention.
Fig. 3 is a diagram illustrating a vertical crosstalk phenomenon of a display panel according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a third circuit for improving vertical crosstalk according to an embodiment of the present invention.
Fig. 5 is a flowchart illustrating a method for improving vertical crosstalk according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of an output voltage waveform of a circuit for improving vertical crosstalk according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 for a detailed description, fig. 1 is a schematic diagram of a first circuit for improving vertical crosstalk according to an embodiment of the present disclosure, and mainly introduces a circuit 100 for improving vertical crosstalk according to the present disclosure, where 11 is data driving, 12 is scan driving, 13 is a functional module, 14 is the first thin film transistor, 15 is the second thin film transistor, 16 is the third thin film transistor, 17 is a control switch, 131 is a control line of the functional module, 132 is a source of the first thin film transistor, and 133 is a drain of the first thin film transistor; fig. 2 is a circuit diagram of a pixel unit, where 21 is a first data line, 22 is a second data line, 23 is a first scan line, 24 is a second scan line, 204 is a fourth tft, 205 is a liquid crystal capacitor, 206 is a storage capacitor, and 207 is a common electrode; fig. 3 is a vertical crosstalk phenomenon diagram 300 of a display screen according to an embodiment of the present application, which mainly includes: a first side edge 31, a second side edge 32, a third side edge 33, a fourth side edge 34, a white area 301, a first area 302 between the white area 301 and the first side edge 31, a second area 303 between the white area 301 and the second side edge 32; fig. 4 is a schematic diagram of a third circuit for improving vertical crosstalk according to an embodiment of the present application, in which 41 is a positive data line and 42 is a negative data line; fig. 5 is a flowchart illustrating a method for improving vertical crosstalk according to an embodiment of the present application, and fig. 6 is a schematic diagram illustrating an output voltage waveform of a circuit for improving vertical crosstalk according to an embodiment of the present application, where a is a voltage output waveform of a positive data line, B is a voltage output waveform of a negative data line, and C is an output waveform of a control signal.
The circuit for improving vertical crosstalk provided by the present invention, in conjunction with fig. 1, includes a plurality of data lines driven by a data driver 11, a plurality of scan lines driven by a scan driver 12, a plurality of pixel units formed by criss-cross intersection of the plurality of data lines and the plurality of scan lines, and a functional module 13; when the functional module 13 receives a high level signal from the scan driver 12, the control switch 17 connects the gate of the first tft 14 of the functional module 13 to turn on the first tft 14, and the source 132 and the drain 133 of the first tft 14 are respectively connected to the odd-numbered row data line and the even-numbered row data line, so that the voltages of the data lines in the adjacent rows are integrated, the voltages of the pixel units on the data lines in the adjacent rows are balanced, and the effective voltage between the middle white region 301 and the gray scale portion is reducedoff(RoffIs the equivalent voltage when the pixel is closed), therefore, the leakage current is also reduced, thereby improving the vertical crosstalk phenomenon;
according to the circuit diagram shown in fig. 2, each pixel unit of the present invention comprises: the thin film transistor 204, the liquid crystal capacitor 205 and the storage capacitor 206 cooperate to complete the charging and discharging process of each pixel unit. The functional module 13 includes a first thin film transistor 14, a second thin film transistor 15, and a third thin film transistor 16.
Referring to fig. 1 and 4, the second tft 15 in the functional module 13 is connected in series to the odd column data line 41, and the third tft 16 in the functional module 13 is connected in series to the even column data line 42. The voltage polarities of the data lines of the adjacent columns are opposite to the voltage polarity of the common electrode 207, the data line voltages of all odd columns are positive, the data line voltages of all even columns are negative, and the number of the data lines of the odd columns is equal to that of the data lines of the even columns.
The method for improving the vertical crosstalk provided by the invention comprises the following steps: firstly, using the picture detection function to detect the display screen 300 and check whether the picture is a white frame with a grey bottom; then, if the detected display screen 300 displays a white frame with a gray bottom, when the gate line outputs a high level, the functional module 13 controls the first thin film transistor 14 to be turned on, so as to short-circuit the odd-numbered row data lines and the even-numbered row data lines, and the pixel unit starts to be charged; when the gate line outputs a low level, the functional module 13 controls the second thin film transistor 15 and the third thin film transistor 16 to be turned on, all the odd-numbered row data lines and the even-numbered row data lines output normally, the storage capacitor discharges, and the voltage is maintained; and the next time of signal re-input and circulation, the voltage signal is in AC drive.
The step of detecting the display screen 300 by using the picture detection function to check whether the picture is a white frame with a gray background includes the following steps: setting a display screen 300 to be detected to be a picture with white 301 in the middle and gray scales at the periphery; detecting a white area 301 in the display screen by using an image detection function; detecting a first area 302 between a first side 31 of the display screen and a white area 301 by using an image detection function; detecting a second area 303 between the second side 32 of the display screen 300 and the white area 301 by using an image detection function; checking the detection result: whether the first area 302 and the second area 303 are influenced by the white area 301 is brighter than the background, namely, the first area is a white frame picture with a gray background.
The specific steps of "if the detected display screen displays a white frame picture with a gray bottom, when the gate line outputs a high level, the functional module controls the first thin film transistor to be conducted, and the odd-numbered rows of data lines and the even-numbered rows of data lines are short-circuited" are as follows: if the detected display screen picture is a white frame with a gray bottom, when the gate line outputs a high level, the functional module 13 controls the first thin film transistor 14 to be conducted; the functional module 13 controls the second thin film transistor 14 to be switched off; the functional module controls the third thin film transistor 15 to be turned off; the functional module connects all odd column data lines and all even column data lines in parallel.
The step of "when the gate line outputs a low level, the functional module 13 controls the second thin film transistor 15 and the third thin film transistor 16 to be turned on, all the data lines in the odd columns and the data lines in the even columns are normally output, the storage capacitor is discharged, and the voltage is maintained" includes the following steps: when the gate line outputs a low level, the functional module 13 controls the first thin film transistor 14 to be turned off; the functional module 13 controls the second thin film transistor 15 to be conducted; the functional module 13 controls the third thin film transistor 16 to be conducted; all the odd column data lines and all the even column data lines are normally output, and all the pixel electrodes are kept at the charging voltage.
According to the embodiment provided by the invention, the image detection function adopts a mode of counting the gray scales in the display screen image for detection. When the gray scale number of the detection area reaches a preset value N, one is automatically added, and finally, the gray scales of all the detection areas are counted and compared with the middle white area 301 for judgment.
With reference to fig. 6, a is a positive polarity data line voltage output waveform, B is a negative polarity data line output waveform, and C is an output waveform of the control signal, after the functional module is added to the vertical crosstalk circuit, when the control signal is in a high level state, the odd-numbered row data lines are connected with the even-numbered row data lines, the pixel input voltage is balanced, the effective voltage is reduced, so that the leakage current is reduced, and the vertical crosstalk phenomenon is improved.
The circuit and the method for improving vertical crosstalk according to the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are described herein by applying specific examples, and the description of the embodiments is only used to help understanding the technical solutions and the core ideas of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A circuit for improving vertical crosstalk comprises a plurality of data lines, a plurality of scanning lines, a plurality of pixel units formed by criss-cross intersection of the data lines and the scanning lines, and a functional module; the functional module sends out a control signal to control the output of the display screen; the functional module is controlled by a gate line and comprises a first thin film transistor, a second thin film transistor and a third thin film transistor; the source electrode and the drain electrode of a first thin film transistor in the functional module are respectively connected with an odd column data line and an even column data line, a second thin film transistor in the functional module is connected in series with the odd column data line, a third thin film transistor in the functional module is connected in series with the even column data line, the voltage polarity of the data line of the adjacent column is opposite to the voltage polarity of the common electrode, the data line voltage polarity of all odd columns is positive, the data line voltage polarity of all even columns is negative, and the number of the odd column data lines is equal to that of the even column data lines.
2. The circuit for improving vertical crosstalk of claim 1, wherein each of the pixel units comprises: a thin film transistor, a liquid crystal capacitor and a storage capacitor.
3. The circuit of claim 1, wherein voltages of the data lines of adjacent columns are opposite to a voltage polarity of the common electrode, data line voltages of all odd columns are positive, data line voltages of all even columns are negative, and the number of the odd column data lines is equal to the number of the even column data lines.
4. A method for improving vertical crosstalk comprises a plurality of data lines, a plurality of scanning lines, a plurality of pixel units formed by criss-cross intersection of the data lines and the scanning lines, and a functional module; the functional module sends out a control signal to control the output of the display screen; the functional module includes: the second thin film transistor in the functional module is connected in series with an odd column data line, the third thin film transistor in the functional module is connected in series with an even column data line, the functional module is controlled by a grid line, and the source electrode and the drain electrode of the first thin film transistor in the functional module are respectively connected with the odd column data line and the even column data line;
the method comprises the following steps:
s10, detecting the display screen by using the picture detection function, and checking whether the picture is a white frame with a grey bottom;
s20, if the detected display screen displays a white frame picture with a gray bottom, when the grid line outputs a high level, the functional module controls the first thin film transistor to be conducted, and short-circuits the odd-numbered row data lines and the even-numbered row data lines;
s30, when the gate line outputs low level, the functional module controls the second thin film transistor and the third thin film transistor to be conducted, all the odd-numbered row data lines and the even-numbered row data lines are normally output, and each pixel starts to be charged;
and S40, inputting the signal again next time, and circulating to drive the voltage signal in an alternating current mode.
5. The method for improving vertical crosstalk according to claim 4, wherein said "S10" comprises the following steps:
s101, setting a display screen to be detected into a picture with white middle and gray scales at the periphery;
s102, detecting a white area in the display screen by using an image detection function;
s103, detecting a first area between a first side edge of the display screen and a white area by using an image detection function;
s104, detecting a second area between a second side edge of the display screen and the white area by using an image detection function;
s105, checking the detection result: whether the first area and the second area are influenced by the white area is brighter than the background, namely the first area and the second area are a white frame picture with a gray bottom.
6. The method for improving vertical crosstalk according to claim 4, wherein said "S20" comprises the following steps:
s201, if the detected display screen picture is a white frame with a gray bottom, when the grid line outputs a high level, the functional module controls the first thin film transistor to be conducted;
s202, the functional module controls the second thin film transistor to be disconnected;
s203, the functional module controls the third thin film transistor to be disconnected;
and S204, connecting all the odd-numbered column data lines and all the even-numbered column data lines in parallel by the functional module, and starting charging each pixel unit.
7. The method for improving vertical crosstalk according to claim 4, wherein said "S30" comprises the following steps:
s301, when the gate line outputs low level, the functional module controls the first thin film transistor to be disconnected;
s302, the functional module controls the second thin film transistor to be conducted;
s303, the functional module controls the third thin film transistor to be conducted;
and S304, all the odd column data lines and all the even column data lines are normally output, and all the pixel electrodes are kept at the charging voltage.
8. The method of claim 4, wherein the frame detection function detects gray levels in the display screen frame by counting gray levels.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236380.3A CN109410853B (en) | 2018-10-23 | 2018-10-23 | Circuit and method for improving vertical crosstalk |
| PCT/CN2018/120827 WO2020082538A1 (en) | 2018-10-23 | 2018-12-13 | Circuit and method for reducing vertical crosstalk |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811236380.3A CN109410853B (en) | 2018-10-23 | 2018-10-23 | Circuit and method for improving vertical crosstalk |
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| CN109410853B true CN109410853B (en) | 2020-10-13 |
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| CN110288959A (en) * | 2019-06-27 | 2019-09-27 | 北海惠科光电技术有限公司 | The driving circuit and its driving method of a kind of display panel, display panel |
| CN116189631B (en) * | 2023-04-24 | 2023-07-11 | 惠科股份有限公司 | Driving method, driving device, liquid crystal display device and storage medium |
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| CN1204833A (en) * | 1997-06-13 | 1999-01-13 | 松下电器产业株式会社 | Liquid crystal display panel and method of driving the same |
| GB0403308D0 (en) * | 2004-02-14 | 2004-03-17 | Koninkl Philips Electronics Nv | Active matrix display devices |
| CN101598879B (en) * | 2009-07-10 | 2011-11-09 | 昆山龙腾光电有限公司 | Liquid crystal display panel and liquid crystal display |
| CN103901685B (en) * | 2012-12-31 | 2016-07-06 | 厦门天马微电子有限公司 | A kind of liquid crystal display |
| CN103345094B (en) * | 2013-07-09 | 2016-06-29 | 深圳市华星光电技术有限公司 | A kind of liquid crystal panel, driving method and liquid crystal indicator |
| KR102131874B1 (en) * | 2013-11-04 | 2020-07-09 | 삼성디스플레이 주식회사 | Liquid crystal display and driving method thereof |
| CN104503157B (en) * | 2014-12-16 | 2017-11-28 | 深圳市华星光电技术有限公司 | Dot structure and the liquid crystal display with the dot structure |
| CN106095191B (en) * | 2016-06-29 | 2019-04-05 | 南京中电熊猫液晶显示科技有限公司 | In-cell touch-control display panel and its display methods and manufacturing method |
| CN106125435A (en) * | 2016-08-31 | 2016-11-16 | 深圳市华星光电技术有限公司 | Liquid crystal panel and liquid crystal display |
| CN106297723B (en) * | 2016-11-09 | 2020-02-07 | 厦门天马微电子有限公司 | Pixel driving circuit, display panel and pixel driving method |
| CN107300815B (en) * | 2017-08-14 | 2020-06-05 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal display panel and dot inversion driving method thereof |
| CN107678216B (en) * | 2017-10-23 | 2020-04-07 | 深圳市华星光电技术有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
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| CN109410853A (en) | 2019-03-01 |
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