WO2020155991A1 - Procédé et dispositif de pilotage pour panneau d'affichage, et dispositif d'affichage - Google Patents

Procédé et dispositif de pilotage pour panneau d'affichage, et dispositif d'affichage Download PDF

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Publication number
WO2020155991A1
WO2020155991A1 PCT/CN2019/129296 CN2019129296W WO2020155991A1 WO 2020155991 A1 WO2020155991 A1 WO 2020155991A1 CN 2019129296 W CN2019129296 W CN 2019129296W WO 2020155991 A1 WO2020155991 A1 WO 2020155991A1
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WIPO (PCT)
Prior art keywords
sub
voltage
pixel
driving
pixels
Prior art date
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PCT/CN2019/129296
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English (en)
Chinese (zh)
Inventor
单剑锋
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惠科股份有限公司
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Publication of WO2020155991A1 publication Critical patent/WO2020155991A1/fr

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Classifications

    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • 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
    • G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels

Definitions

  • This application relates to the field of liquid crystal displays, and in particular to a driving method, device and display device of a display panel.
  • VA-type liquid crystal technology has the advantages of higher production efficiency and lower manufacturing cost.
  • IPS liquid crystal technology it has obvious defects in optical properties.
  • VA-type The LCD panel will have color shift.
  • the brightness of the pixel should ideally change linearly with the change of the voltage, so that the driving voltage of the pixel can accurately represent the gray scale of the pixel, which is reflected by the brightness.
  • the brightness of the pixel when viewing the display surface from a small viewing angle (for example, front view), the brightness of the pixel can meet the ideal situation, that is, it changes linearly with the voltage, as shown by the ideal curve in Figure 1a.
  • the brightness of the pixel when viewing the display surface from a larger viewing angle (for example, more than 160 degrees with the display surface), due to the limitation of the VA-type liquid crystal technology principle, the brightness of the pixel shows a rapid saturation with the voltage, and then slowly changes. As shown in the actual curve in Figure 1a. In this way, under a large viewing angle, the gray scale that the driving voltage should originally present is seriously deviated, that is, color shift appears.
  • An exemplary technique to improve color shift is to subdivide each sub-pixel into a main pixel and sub-pixel, and then use a relatively high driving voltage to drive the main pixel, and use a relatively low driving voltage to drive the sub-pixels, the main pixels and The sub-pixels display one sub-pixel together.
  • the relatively high driving voltage and the relatively low driving voltage drive the main pixel and the sub-pixel, the relationship between the brightness and the corresponding gray scale under the front viewing angle can be maintained unchanged.
  • the method shown in Figure 1b is adopted. In the first half of the gray scale, the main pixel is driven by a relatively high driving voltage, and the sub-pixels are not displayed.
  • the brightness of the entire sub-pixel is half of the brightness of the main pixel; In the second half, the main pixel is driven by a relatively high driving voltage, and the sub-pixel is driven by a relatively low driving voltage.
  • the brightness of the entire sub-pixel is half of the sum of the brightness of the main pixel and the brightness of the sub-pixel.
  • TFT ThinFilmTransistor
  • the main purpose of the present application is to provide a driving method, device and display device for a display panel, aiming to solve the problem of sacrificing the transparent opening area in the exemplary technology, affecting the light transmittance of the panel, and higher backlight cost.
  • the present application provides a method for driving a display panel.
  • the method for driving the display panel includes the following steps:
  • the display panel includes a display array, the display array includes pixel units arranged in an array, the pixel units include a first sub-pixel, a second sub-pixel, and a third sub-pixel in a row direction, and three sub-pixels of each pixel unit
  • the pixels are aligned on the columns according to the order of arrangement; the driving method includes:
  • the high-voltage sub-pixels and the low-voltage sub-pixels are driven by the negative common electrode voltage of the preset voltage, wherein the preset voltage is less than the original common electrode voltage, so The high-voltage sub-pixel receives the positive driving voltage output by the first data line, and the low-voltage sub-pixel receives the negative driving voltage output by the second data line;
  • the preset voltage is periodically reversed
  • the high-voltage sub-pixels and the low-voltage sub-pixels are driven with a positive polarity common electrode voltage of a preset voltage, where all The preset voltage is greater than the original common electrode voltage, the high-voltage sub-pixel receives the negative driving voltage output from the first data line, and the low-voltage sub-pixel receives the positive driving voltage output from the second data line.
  • the driving method of the display panel proposed in the present application uses the negative common electrode voltage of the preset voltage to drive the high-voltage sub-pixels and the low-voltage sub-pixels with the negative polarity when the current time sequence is the first preset time sequence.
  • the preset voltage is less than the original common electrode voltage
  • the high-voltage sub-pixel receives the positive driving voltage output by the first data line
  • the low-voltage sub-pixel receives the negative driving voltage output by the second data line
  • the preset voltage is periodically reversed
  • the high voltage sub Pixels and low-voltage sub-pixels are driven in positive polarity by using a positive common electrode voltage of a preset voltage, where the preset voltage is greater than the original common electrode voltage, and the high-voltage sub-pixel receives a negative driving output from the first data line
  • the low-voltage sub-pixel receives the positive driving voltage output by the second data line
  • Figure 1a shows the relationship between the improved front color shift curve and the ideal curve
  • Figure 1b shows the relationship between the improved color shift curve and the ideal curve
  • FIG. 2 is a schematic diagram of the structure of a display device of a hardware operating environment involved in a solution of an embodiment of the application;
  • FIG. 3 is a schematic flowchart of a first embodiment of a driving method of a display panel according to the present application
  • FIG. 4 is a schematic diagram of pixel driving arrangement of the driving method of the display panel of the present application.
  • FIG. 5 is a schematic diagram of a first preset timing sequence of pixel driving in the driving method of the display panel of the present application
  • FIG. 6 is a schematic structural diagram of an embodiment of a driving device for a display panel of the present application.
  • FIG. 7 is a schematic structural diagram of another embodiment of a driving device for a display panel of the present application.
  • FIG. 2 is a schematic diagram of the structure of a display device of a hardware operating environment involved in a solution of an embodiment of the application.
  • the display device may include a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a display panel 1004, and a memory 1005.
  • the communication bus 1002 is used to implement connection and communication between these components.
  • the user interface 1003 may include a display screen (Display) and an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface.
  • the memory 1005 may be a high-speed RAM memory, or a stable memory (non-volatile-memory), such as a magnetic disk memory.
  • the memory 1005 may also be a storage device independent of the aforementioned processor 1001
  • the display panel 1004 may be a liquid crystal display panel, or other display panels that can implement the same or similar functions.
  • the structure of the display device shown in FIG. 2 does not constitute a limitation on the display device, and may include more or fewer components than those shown in the figure, or a combination of certain components, or different component arrangements.
  • the memory 1005 which is a computer storage medium, may include a driver program for the display panel.
  • the processor 1001 and the memory 1005 in the display device of the present application may be provided in the display device.
  • the display device calls the driver program of the display panel stored in the memory 1005 through the processor 1001, and executes what is executed by the driving device of the display panel. operating:
  • the high-voltage sub-pixels and the low-voltage sub-pixels are driven with a negative common electrode voltage of a preset voltage, wherein the preset voltage is less than the original common electrode voltage.
  • Electrode voltage, the high-voltage sub-pixel receives the positive driving voltage output by the first data line, and the low-voltage sub-pixel receives the negative driving voltage output by the second data line;
  • the preset voltage is periodically reversed; when the current timing is switched from the first preset timing to the second preset timing, the high-voltage sub-pixel and the low-voltage sub-pixel are used
  • the positive common electrode voltage of the preset voltage is positively driven, wherein the preset voltage is greater than the original common electrode voltage, the high-voltage sub-pixel receives the negative driving voltage output by the first data line, and the low-voltage sub-pixel
  • the pixel receives the positive driving voltage output by the second data line, and drives the same data line with the same polarity, which can avoid frequent driving of the same data line polarity, reduce the power consumption of the driving integrated circuit, and reduce the risk of temperature rise of the driving integrated circuit , Using the driving data of positive driving voltage and negative driving voltage to drive alternately, solving the visual role deviation, the naked eye will
  • FIG. 3 is a schematic flowchart of a first embodiment of a driving method for a display panel of the present application.
  • the driving method of the display panel includes the following steps:
  • Step S10 When the current time sequence is the first preset time sequence, the high-voltage sub-pixels and the low-voltage sub-pixels are driven by the negative common electrode voltage of the preset voltage, where the preset voltage is less than the original common electrode
  • the high-voltage sub-pixel receives the positive driving voltage output by the first data line
  • the low-voltage sub-pixel receives the negative driving voltage output by the second data line.
  • the pixel design of the liquid crystal display panel in this embodiment is that one red, green, and blue sub-pixel is a pixel unit, that is, the first sub-pixel, the second sub-pixel, and the third sub-pixel
  • the pixels are respectively corresponding to red sub-pixels, green sub-pixels and blue sub-pixels, and the red sub-pixels, green sub-pixels and blue sub-pixels are sub-pixels of different polarity, and each pixel unit adopts a high and low voltage interleaved driving arrangement.
  • FIG. 4 is a schematic diagram of the pixel driving arrangement of the driving method of the display panel of the present application; when the current timing is the first preset timing, the high-voltage sub-pixels and the low-voltage sub-pixels adopt the preset voltage
  • the negative common electrode voltage performs negative driving, wherein the preset voltage is less than the original common electrode voltage, the high-voltage sub-pixel receives the positive driving voltage output by the first data line, and the low-voltage sub-pixel receives the second The negative driving voltage output by the data line;
  • the common electrode voltage Vcom1 corresponding to the high-voltage sub-pixels VGd_1, VGd_3, and VGd_5 and the low-voltage sub-pixels VGd_2, VGd_4, and VGd_6 is the negative driving voltage (the negative polarity of the common electrode voltage is the common electrode voltage Vcom1 Relative to the original common electrode voltage Vcom is smaller, that is, Vcom1 ⁇ Vcom).
  • the high-voltage sub-pixels VGd_1, VGd_3, and VGd_5 are positive driving voltages (>Vcom)
  • the low-voltage sub-pixels VGd_2, VGd_4, and VGd_6 are negative driving voltages ( ⁇ Vcom).
  • VGd_1, VGd_3, and VGd_5 of Gline are positive driving voltages (>Vcom) that share the first data line Vd1 to drive the data lines
  • VGd_2, VGd_4, VGd_6 are negative driving voltages ( ⁇ Vcom) that share the first data line.
  • the two data lines Vd2 must be driven by the data lines, so that the same data line can be driven with the same polarity; the same data line can be driven with the same polarity to reduce frequent driving of the polarity.
  • Step S20 When the data driving signal input by the data driving circuit is received and the timing is reversed, the preset voltage is periodically reversed.
  • Vgd, Vrd and Vbd are constants 1, 2, 3, etc.
  • Vgd, Vrd, and Vbd respectively correspond to the initial driving voltages of the green sub-pixels, red sub-pixels, and green sub-pixels.
  • other forms of initial driving voltages may also be used, which is not limited in this embodiment.
  • the preset voltage when the preset voltage is driven with negative polarity, the data driving signal input by the data driving circuit is received negative driving, and when the timing of the data driving signal is reversed, the preset voltage Set the driving voltage with the opposite polarity to be periodically inverted.
  • the data driving signal after the inversion is driven with the positive polarity;
  • a preset timing is switched to a second preset timing, the high-voltage sub-pixels and the low-voltage sub-pixels are driven with a positive common electrode voltage of a preset voltage, wherein the preset voltage is greater than the original common electrode voltage ,
  • the high-voltage sub-pixel receives the negative driving voltage output by the first data line, and the low-voltage sub-pixel receives the positive driving voltage output by the second data line, so as to ensure that adjacent sub-pixels are interleaved with high and low voltages. In order to reduce the color cast.
  • FIG. 5 is a schematic diagram of the first preset timing of pixel driving in the driving method of the display panel of the present application; when the current timing is the first preset timing, the high-voltage unit sub-pixel has a positive polarity. Drive, the low-voltage unit pixel is driven by negative polarity, which is driven by the negative polarity of the common electrode voltage.
  • the negative polarity of the common electrode voltage that is, the common electrode voltage Vcom1 is smaller than the original common electrode voltage Vcom, that is, Vcom1 ⁇ Vcom;
  • the high-voltage unit pixel is driven by the negative polarity, and the low-voltage unit pixel is driven by the positive polarity, and the common electrode voltage is driven by the positive voltage.
  • the positive polarity of the common electrode voltage, that is, the common electrode voltage Vcom1 is larger than the original common electrode voltage Vcom, that is, Vcom1>Vcom.
  • Step S30 When the current timing is switched from the first preset timing to the second preset timing, the high-voltage sub-pixels and the low-voltage sub-pixels are driven with a positive common electrode voltage of a preset voltage in a positive polarity.
  • the predetermined voltage is greater than the original common electrode voltage
  • the high-voltage sub-pixel receives the negative driving voltage output by the first data line
  • the low-voltage sub-pixel receives the positive driving voltage output by the second data line.
  • the high-voltage sub-pixels and the low-voltage sub-pixels adopt the positive common electrode voltage of the preset voltage for positive polarity.
  • Driving wherein the preset voltage is greater than the original common electrode voltage, the high-voltage sub-pixel receives the negative driving voltage output by the second data line, and the low-voltage sub-pixel receives the positive driving voltage output by the first data line ; That is, the common electrode voltage Vcom1 is a positive driving voltage, and the common electrode voltage is positive, that is, the common electrode voltage Vcom1 is larger than the original common electrode voltage Vcom, that is, Vcom1>Vcom);
  • the high voltage sub-pixels VGd_1, VGd_3, VGd_5 are Negative polarity driving voltage ( ⁇ Vcom)
  • low voltage sub-pixels VGd_2, VGd_4, VGd_6 are positive polarity driving voltages (>Vcom).
  • the driving method of the display panel further includes the following steps:
  • the first phase is The second sub-pixel in the adjacent sub-pixel unit is driven by the positive driving voltage output by the first data line, and the second sub-pixel in the second adjacent sub-pixel unit is output by the second data line Drive with a negative driving voltage;
  • the first phase is The second sub-pixel in the adjacent sub-pixel unit is driven by the negative driving voltage output by the second data line, and the second sub-pixel in the second adjacent sub-pixel unit is output by the first data line The positive driving voltage is driven.
  • the second sub-pixel in the first adjacent sub-pixel unit and the second adjacent sub-pixel unit have different polarities from the first and third sub-pixels, and the first sub-pixel in the same pixel unit
  • One sub-pixel and the third sub-pixel have the same polarity, that is, the voltage state of the second sub-pixel in the first adjacent sub-pixel unit is high voltage, and the second sub-pixel in the second adjacent sub-pixel unit
  • the voltage state of the first adjacent sub-pixel unit is a low voltage
  • the second sub-pixel in the first adjacent sub-pixel unit is driven by the positive driving voltage output by the first data line
  • the first adjacent sub-pixel unit is
  • the first sub-pixel and the third sub-pixel in are driven by the negative driving voltage output by the second data line
  • the second data line is used for the second sub-pixel in the second adjacent sub-pixel unit
  • the output negative driving voltage is driven, and the first sub-pixel and the third sub-pixel in the second adjacent sub-pixel unit are driven by the positive driving voltage output by the first data line;
  • the common electrode voltage Vcom1 corresponding to VGd_2, VGd_4, and VGd_6 is a negative driving voltage (the common electrode voltage is negative, that is, the common electrode voltage Vcom1 is smaller than the original common electrode voltage Vcom, that is, Vcom1 ⁇ Vcom).
  • the high-voltage sub-pixels VGd_1, VGd_3, and VGd_5 are positive-polarity driving voltages (>Vcom)
  • the low-voltage sub-pixels VGd_2, VGd_4, and VGd_6 are negative-polarity driving voltages ( ⁇ Vcom); switch from the first preset timing to After the second preset timing, the common electrode voltage Vcom1 is the positive driving voltage, the common electrode voltage is positive, that is, the common electrode voltage Vcom1 is larger than the original common electrode voltage Vcom, that is, Vcom1>Vcom);
  • the high voltage sub-pixel VGd_1 , VGd_3, VGd_5 are negative polarity driving voltages ( ⁇ Vcom)
  • low voltage sub-pixels VGd_2, VGd_4, VGd_6 are positive polarity driving voltages (>Vcom).
  • the driving method of the display panel further includes the following steps:
  • the equivalent driving voltages of the high-voltage sub-pixels and the low-voltage sub-pixels in the selected sub-pixels are driven by a preset data driving signal, and the preset data driving The signal is the average signal of the driving signals of two adjacent sub-pixels in the original same column.
  • the preset condition is the state when the preset voltage is driven, for example, when the preset voltage is a positive driving voltage, it can also be driven when the preset voltage is a negative driving voltage.
  • the data driving signal input by the driving circuit is reversed in time sequence, the polarity of the preset voltage is opposite.
  • the average signal of pixel signal Gd1 and Gd2 signal (0 ⁇ 255 signal for 8bit driving signal), that is, G1 (Gd1+Gd2)/2, G1 signal corresponds to positive driving voltage Vg1 and negative driving voltage Vg1 '.
  • the driving method of the display panel further includes:
  • Two adjacent sub-pixels in the same column are selected respectively, and the equivalent driving voltage of the high-voltage sub-pixel in the selected sub-pixel is driven to be greater than the equivalent driving voltage of the low-voltage sub-pixel in the selected sub-pixel.
  • the voltage difference of VGd_3
  • the high-voltage sub-pixels and the low-voltage sub-pixels are driven with a negative common electrode voltage of a preset voltage, wherein the preset voltage is less than the original common electrode voltage.
  • Electrode voltage, the high-voltage sub-pixel receives the positive driving voltage output by the first data line, and the low-voltage sub-pixel receives the negative driving voltage output by the second data line;
  • the preset voltage is periodically reversed; when the current timing is switched from the first preset timing to the second preset timing, the high-voltage sub-pixel and the low-voltage sub-pixel are used
  • the positive common electrode voltage of the preset voltage is positively driven, wherein the preset voltage is greater than the original common electrode voltage, the high-voltage sub-pixel receives the negative driving voltage output by the first data line, and the low-voltage sub-pixel
  • the pixel receives the positive driving voltage output by the second data line, and drives the same data line with the same polarity, which can avoid frequent driving of the same data line polarity, reduce the power consumption of the driving integrated circuit, and reduce the risk of temperature rise of the driving integrated circuit , Using the driving data of positive driving voltage and negative driving voltage to drive alternately, solving the visual role deviation, the naked eye will
  • an embodiment of the present application also provides a driving device for a display panel.
  • the display panel includes a display array, the display array includes pixel units arranged in an array, which are alternately arranged by first pixel units and second pixel units;
  • the driving device of the display panel includes:
  • the common electrode driving module 110 is configured to use scanning of at least three columns of pixel units as a driving period, and in the current driving period, the common electrode of each sub-pixel in the pixel unit is driven by a preset voltage;
  • the common electrode driving module 110 is further configured to drive the high-voltage sub-pixels in the pixel unit with positive polarity when the preset voltage is a negative-polarity driving voltage, and drive the low-voltage sub-pixels in the pixel unit The pixels are driven with negative polarity, and the preset voltage is less than the reference voltage;
  • the inversion module 120 is configured to periodically invert the preset voltage when the data driving signal input by the receiving data driving circuit is inverted;
  • the common electrode driving module 110 is further configured to drive the high voltage sub-pixels in the pixel unit with a negative polarity when the preset voltage after inversion is a positive driving voltage, and drive the low voltage in the pixel unit.
  • the voltage sub-pixels are driven by positive polarity, and the preset voltage after the inversion is greater than the reference voltage.
  • the driving device of the display panel further includes a display array 100 and a driving module 200.
  • the driving module 200 may include a scanning unit 210 and a driving unit 220.
  • the scanning unit 210 is used to output scanning signals, generally one by one.
  • the row scans the pixel unit, and the driving unit 220 outputs a driving signal so that the pixel unit receives driving data for display when the pixel unit is scanned.
  • the driving module 200 can refer to the above-mentioned embodiment.
  • the common electrodes of the sub-pixels in the pixel unit can be driven by the same driving voltage, and the high and low-voltage sub-pixels can be driven by different driving methods. Solve the visual role deviation, and use the common electrode to drive correspondingly, thereby reducing the work of the driver chip, reducing the power consumption of the driver chip and the risk of temperature increase. It does not need to double the metal traces and driver devices to drive the sub-pixels. To achieve the purpose of saving costs.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

L'invention concerne un procédé et un dispositif de pilotage pour un panneau d'affichage, et un panneau d'affichage. Lorsqu'une séquence de synchronisation actuelle constitue une première séquence de synchronisation prédéfinie, un pilotage de polarité négative est effectué sur des sous-pixels haute tension et des sous-pixels basse tension à l'aide d'une tension d'électrode commune de polarité négative d'une tension prédéfinie. Les sous-pixels haute tension reçoivent une tension de pilotage de polarité positive délivrée en sortie par une première ligne de données, et les sous-pixels basse tension reçoivent une tension de pilotage de polarité négative délivrée en sortie par une seconde ligne de données.
PCT/CN2019/129296 2019-01-30 2019-12-27 Procédé et dispositif de pilotage pour panneau d'affichage, et dispositif d'affichage WO2020155991A1 (fr)

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CN201910095270.8A CN109637492B (zh) 2019-01-30 2019-01-30 显示面板的驱动方法、装置及显示设备

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CN109637492B (zh) * 2019-01-30 2021-01-15 惠科股份有限公司 显示面板的驱动方法、装置及显示设备

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