WO2020155990A1 - Procédé de commande de panneau d'affichage et dispositif d'affichage - Google Patents

Procédé de commande de panneau d'affichage et dispositif d'affichage Download PDF

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Publication number
WO2020155990A1
WO2020155990A1 PCT/CN2019/129295 CN2019129295W WO2020155990A1 WO 2020155990 A1 WO2020155990 A1 WO 2020155990A1 CN 2019129295 W CN2019129295 W CN 2019129295W WO 2020155990 A1 WO2020155990 A1 WO 2020155990A1
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Prior art keywords
sub
pixels
driving signal
signal
preset
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PCT/CN2019/129295
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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 WO2020155990A1 publication Critical patent/WO2020155990A1/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
    • G09G3/3674—Details of drivers for scan electrodes
    • G09G3/3677—Details of drivers for scan 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
    • 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
    • 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
    • G09G3/3696—Generation of voltages supplied to electrode drivers

Definitions

  • This application relates to the field of liquid crystal display technology, and in particular to a driving method of a display panel and a display device.
  • VA liquid crystal technology is negative vertical alignment (Vertical Alignment, VA) liquid crystal or in-plane conversion (In-Plane Switching, IPS) liquid crystal. Comparing VA liquid crystal technology with IPS liquid crystal technology, we can find that VA liquid crystal technology has higher production efficiency and lower manufacturing cost, but it is inferior to IPS liquid crystal technology in terms of optical properties. Obvious defects in optical properties, especially when applied to large-size display panels, in order to improve the color shift problem of VA liquid crystal, the sub-pixels are divided into main pixels and sub-pixels in one embodiment. This division When designing pixels, it is necessary to redesign metal traces or thin film transistor (Thin Film Transistor, TFT) elements to drive the sub-pixels, which will cause the sacrifice of the light-transmitting opening area, and then affect the panel transmittance.
  • TFT Thin Film Transistor
  • the main purpose of this application is to propose a method for driving a display panel and a display device, aiming to effectively improve the color shift phenomenon without affecting the transmittance of the panel.
  • the present application provides a driving method of a display panel, the display panel includes a display array, the display array includes pixel units arranged in an array; the driving method of the display panel includes:
  • the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal
  • the even-numbered columns of sub-pixels in the first row of pixel units and the odd-numbered columns of sub-pixels in the adjacent row of pixel units in the driving cycle adopt the first preset scan Drive signal to drive;
  • the odd-numbered column of sub-pixels in the first row of pixel units and the even-numbered column of sub-pixels in the adjacent row of pixel units in the driving period are driven by using the second preset scan driving signal.
  • the present application also proposes a driving method of a display panel, the display panel includes a display array, the display array includes pixel units arranged in an array; the driving method of the display panel includes:
  • the conduction duration of the first preset scan drive signal is less than the conduction duration of the second preset scan drive signal , So that the driving time of the first preset scan driving signal corresponding to the preset data driving signal is shorter than the driving time of the second preset scan driving signal corresponding to the preset data driving signal;
  • the first preset scan drive signal and the second preset scan drive signal for scanning sub-pixels in the same row in the pixel unit are arranged in an interleaved arrangement, so that the sub-pixels in the same row share the first preset scan drive signal and The second preset scanning driving signal;
  • the even-numbered columns of sub-pixels in the first row of pixel units and the odd-numbered columns of sub-pixels in the adjacent row of pixel units in the driving cycle adopt the first preset scan Drive signal to drive;
  • the odd-numbered column of sub-pixels in the first row of pixel units and the even-numbered column of sub-pixels in the adjacent row of pixel units in the driving period are driven by using the second preset scan driving signal.
  • this application also proposes a display device, the display device comprising: a display panel, a memory, a processor, and a driver for the display panel stored in the memory and running on the processor A program, the display panel includes a display array, the display array includes pixel units arranged in an array, and the driver of the display panel is configured to implement the steps of the driving method of the display panel as described above.
  • the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal
  • the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal
  • the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal
  • the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal
  • FIG. 1 is a schematic diagram of a display device structure of a hardware operating environment involved in a solution of an embodiment of the present application
  • FIG. 2a is a schematic structural diagram of an embodiment of an exemplary display array
  • FIG. 2b is a schematic diagram of driving timing of an exemplary display array
  • FIG. 3a is a schematic structural diagram of an embodiment of the display array of this application.
  • FIG. 3b is a schematic diagram of the driving sequence of an embodiment of the display array of this application.
  • FIG. 4 is a schematic flowchart of an embodiment of a driving method for a display panel of the present application
  • FIG. 5 is a schematic diagram of a driving sequence of another embodiment of the display array of this application.
  • 6a is a schematic structural diagram of another embodiment of the display array of this application.
  • FIG. 6b is a schematic diagram of a driving sequence of another embodiment of the display array of this application.
  • FIG. 7 is a schematic structural diagram of another embodiment of the display array of this application.
  • FIG. 8 is a schematic structural diagram of another embodiment of the display array of this application.
  • FIG. 9 is a schematic structural diagram of an embodiment of a display device of this application.
  • FIG. 1 is a schematic diagram of a display panel structure of a hardware operating environment involved in a solution of an embodiment of the present invention.
  • the display panel may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 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 network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI 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, and the display panel 1006 may be a liquid crystal display panel, or other display panels that can implement the same or similar functions.
  • the structure of the display panel shown in FIG. 1 does not constitute a limitation on the display panel, and may include more or fewer components than shown in the figure, or a combination of certain components, or different component arrangements.
  • the memory 1005 as a storage medium may include an operating system, a network communication module, a user interface module, and a driver for a display panel.
  • the network interface 1004 is mainly used to connect to the network and communicate with the Internet;
  • the user interface 1003 is mainly used to connect to the user terminal and communicate with the terminal;
  • the display panel of the present invention is called by the processor 1001
  • the drive program of the display panel is stored in the memory 1005 and executes the drive method of the display panel.
  • FIG. 2a is a schematic structural diagram of an exemplary display array
  • the original liquid crystal display panel is designed to scan driving signals through the same row of sub-pixels, and the scan driving signals for each row are as shown in the driving timing diagram of the display array illustrated in FIG. 2b, where Vg1, Vg2, Vg3 Etc. means that the drive voltages of the scan drive signals in each row are the same, and the relative timing and overlap time of the scan drive signal relative to the data drive signal timing are the same, so each sub-pixel has the same charging ability.
  • high-voltage sub-pixels and low-voltage sub-pixels need to be interleaved to improve the color shift.
  • the data driving voltage Vgd needs to be driven in sequence according to the high and low voltage requirements of each sub-pixel, as shown in Figure 2a.
  • the high-voltage sub-pixel driving voltage VGd_1 is next to the next adjacent low-voltage sub-pixel VGd_2.
  • the sub-pixels in the same column are driven by high-voltage and low-voltage sub-pixel signals in sequence.
  • the two adjacent sub-pixels are driven together The characteristics are different. As the resolution of the panel increases, the number of sub-pixels in the same row increases, which will increase the driving frequency and increase the load of the driving IC, which increases the power consumption of the driving IC and the risk of increasing the temperature of the driving IC.
  • FIG. 3a is a schematic diagram of the structure of an embodiment of the display array of this embodiment
  • FIG. 3b is a schematic diagram of the driving sequence corresponding to the display array of this embodiment.
  • the display panel of the display array may be a liquid crystal display panel, or may be other to achieve the same Or a display panel with similar functions. This embodiment does not limit this.
  • a liquid crystal display panel is taken as an example for description.
  • the display panel includes a display array, and the display array includes pixel units arranged in an array.
  • the pixel unit includes a first pixel unit and a second pixel unit, the first pixel unit and the second pixel unit are alternately arranged in a first direction and a second direction, and the pixel unit includes a first sub-pixel ,
  • the second sub-pixel and the third sub-pixel, the first, second, and third sub-pixels correspond to the red sub-pixel (R), the green sub-pixel (G), and the blue sub-pixel (B), respectively ), wherein the first direction is a row direction, the second direction is a column direction, and the first pixel unit and the second pixel unit have opposite polarities.
  • FIG. 4 is a schematic flowchart of a first embodiment of a driving method of a display panel of the present invention.
  • the driving method of the display panel includes the following steps:
  • Step S10 acquiring a first preset scan driving signal and a second preset scan driving signal, the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal so that all The driving time of the first preset scan driving signal corresponding to the preset data driving signal is shorter than the driving time of the second preset scan driving signal corresponding to the preset data driving signal.
  • the first preset scan drive signal is Vg1
  • the second preset scan drive signal is Vg2
  • the conduction time of the first preset scan drive signal is ⁇ t1
  • the on-time of the second preset scanning driving signal is ⁇ t2
  • Vgh1 represents the high voltage signal of the first scanning driving signal
  • Vgl1 represents the low voltage signal of the first scanning driving signal
  • Vgh2 It represents the high voltage signal of the second scan driving signal
  • Vgl2 represents the low voltage signal of the second scan drive signal.
  • Step S20 taking the scanning of two adjacent rows of sub-pixels as the driving period, and adopting the first row of even-numbered sub-pixels in the first row of pixel units and odd-numbered columns of sub-pixels in the adjacent row of pixel units in the driving period.
  • the scanning drive signal is preset to drive.
  • Vg1 is a row of even-numbered sub-pixels and an adjacent row of odd-numbered sub-pixels.
  • the pixels share the scan driving circuit and scan driving signal.
  • Vg2 is the same as Vg1 for one row of odd-numbered column sub-pixels and the adjacent row of even-numbered column sub-pixels.
  • the polarities of the adjacent sub-pixels are set to opposite polarities, and the sub-pixels in the same row and in the same column are driven by a dot inversion driving method, and the conduction time of control Vg1 is compared with the conduction time of Vg2 for the data driving signal.
  • the on-time is relatively small for the data driving signal, so that the charging ability of the sub-pixel corresponding to the Vg1 scan driving signal becomes worse, and the charging ability of the sub-pixel corresponding to the Vg2 scan driving signal becomes stronger, so as to achieve high-voltage sub-pixel charging and low-voltage sub-pixel charging
  • the purpose of secondary charging is to achieve the effect of improving color cast.
  • step S30 the odd-numbered column of sub-pixels in the first row of pixel units and the even-numbered column of sub-pixels in the adjacent row of pixel units in the driving cycle are driven by using the second preset scan driving signal.
  • control Vg1 scan switch timing relative to the charging signal of the data drive signal is shorter than the Vg2 scan switch timing relative to the on-time of the data drive signal, which can make the Vg1 scan drive circuit corresponding to the sub-pixel charging capacity If it becomes worse, the charging ability of the sub-pixels corresponding to the Vg2 scan line becomes stronger, so as to achieve the difference between high-voltage sub-pixel charging and low-voltage sub-pixel charging, thereby achieving the effect of improving the color shift.
  • the conduction duration of the first preset scan driving signal is less than the conduction duration of the second preset scan driving signal, and
  • the even-numbered columns of sub-pixels in the first row of pixel units and the odd-numbered columns of sub-pixels in the adjacent row of pixel units are driven by the first preset scan driving signal, and the odd-numbered columns of sub-pixels in the first row of pixel units and Even-numbered columns of sub-pixels in adjacent rows of pixel units are driven by the second preset scan driving signal, so that the conduction time of the two scan driving signals is different, and the charging capacity of the sub-pixels on the two scan driving signals is different.
  • the difference is that the adjacent sub-pixels are driven by a driving mode of high and low voltage interleaved arrangement, so as to achieve the purpose of reducing color shift.
  • the method before the step S10, the method further includes:
  • the first preset scan drive signal and the second preset scan drive signal for scanning sub-pixels in the same row in the pixel unit are arranged in an interleaved arrangement, so that the sub-pixels in the same row share the first preset scan drive signal and The second preset scan driving signal, and after the step S20, the method further includes:
  • a preset data drive signal is acquired, and two adjacent sub-pixels in the same column in the pixel unit are driven by the same preset data drive signal.
  • the positive driving signals of the sub-pixels in row G are VG1, VG2, VG3..., and the negative driving signals are VG1', VG2', VG3'....
  • the next adjacent low-voltage sub-pixel VGd_2 is the negative polarity
  • the driving voltage Vgd VG1', corresponding to the switching timing of the scan driving signal of Vg1 ⁇ t1, ⁇ t1 ⁇ t2, the equivalent driving voltage VGd_1>VGd_2.
  • the method before the obtaining the preset data driving signal and driving two adjacent sub-pixels in the same column in the pixel unit using the same preset data driving signal, the method further includes:
  • the historical driving signal is the historical driving signal of two sub-pixels adjacent to the same column is the driving signal of two adjacent sub-pixels in the same column before the improvement, and the equivalent driving voltage VGd_1 for two adjacent sub-pixels in the same column
  • the positive driving voltage VG1 and the negative driving voltage VG1' can be selected as the original pixel signals Gd1 and Gd2.
  • the method further includes:
  • the scan driving voltages corresponding to the high-voltage sub-pixels VGd_1, VGd_3, and VGd_5 are the scan driving voltages corresponding to Vg2 and the low-voltage sub-pixels VGd_2, VGd_4, VGd_6
  • the driving voltage is Vg1, where the switching timing of the Vg1 scan driving signal for the charging signal of the data driving signal is shorter than the switching timing of the Vg2 scan driving signal for the charging signal of the data driving signal.
  • the scan drive signal switch can also be switched for the data drive signals ⁇ t1 and ⁇ t2, that is, the scan drive signal switching timing of Vg1 is ⁇ t2, Vg2 for the data drive signal.
  • the scanning drive signal switching timing is ⁇ t1 for the data drive signal, so that sub-picture pixels with different timings and different high and low voltage signals can be realized, and the difference between high-voltage sub-pixels and low-voltage sub-pixels will not be obvious to the naked eye. There is a problem of decreased resolution.
  • the method further includes:
  • the high-voltage drive signal in the first preset scan drive signal and the high-voltage drive signal in the second preset scan drive signal are driven with different drive voltages, and the first preset scan drive signal
  • the low voltage driving signal in and the second preset scanning driving signal low voltage driving signal are driven by different driving voltages.
  • the scan driving signal can also be adjusted to achieve different charging effects.
  • the first scan driving signal The high voltage Vgh1 is different from the high voltage Vgh2 of the second scan driving signal, and the low voltage Vgl1 of the first scan driving signal is different from the high voltage Vgl2 of the second scan driving signal, thus forming a chamfered pair voltage va1 and va2.
  • the parasitic capacitance causes the scan driving signal to be distorted, so the corresponding angle-chamfering electrical design is needed to achieve the improvement of the in-plane uniformity.
  • va1 is different from va2, that is, ⁇ t1_1/ ⁇ t1_2 is different from ⁇ t2_1/ ⁇ t2_2, resulting in adjacent rows
  • the charging capabilities of the pixel units are different, so that adjacent pixel units in the same column are driven by an interleaved arrangement of high-voltage pixel units and low-voltage pixel units, thereby achieving the purpose of reducing color shift.
  • the method further includes:
  • FIG. 6a a schematic diagram of the structure of another embodiment of the display array is provided, and as shown in FIG. 6b, a schematic diagram of timing driving of another embodiment of the display array is provided.
  • Sub-pixel negative polarity driving signal Vgd VG1', VG2', VG3'...
  • the pixel unit includes a first pixel unit and a second pixel unit.
  • the method further includes:
  • the first pixel unit and the second pixel unit are alternately arranged in the column direction, wherein the first pixel unit includes red sub-pixels, green sub-pixels, blue sub-pixels and white sub-pixels arranged in sequence in the row direction,
  • the second pixel unit includes blue sub-pixels, white sub-pixels, red sub-pixels, and green sub-pixels sequentially arranged in the row direction.
  • WRGB sub-pixels as high and low voltage driving methods to improve color shift.
  • Sub-pixels in the same column are driven in an interleaved arrangement of Vg1 and Vg2, and sub-pixels in the same column are driven by a preset data drive signal Vgd.
  • the polarities of adjacent sub-pixels in the same column and in the same row are reversed, and the high and low voltages of each sub-pixel of WRGB are interleaved and inverted by the dot inversion driving method, so as to realize the high-voltage sub-pixel and low-voltage sub-pixel of four sub-pixels
  • the interleaved arrangement allows the adjacent sub-pixels in the same column to be driven in a high and low voltage interleaved arrangement to achieve the purpose of reducing color shift.
  • WRGB sub-pixels as high and low voltage drive to improve the color shift.
  • Sub-pixels in the same column are driven in an interleaved arrangement of Vg1 and Vg2, and sub-pixels in the same column are driven by a preset data drive signal Vgd.
  • the polarities of the adjacent sub-pixels in the same column are the same and the polarities of the adjacent sub-pixels in the same row are opposite.
  • the high and low voltages of each sub-pixel of WRGB are interleaved and arranged, and the column inversion driving mode is used to invert, so as to realize the high
  • the interleaved arrangement of voltage sub-pixels and low-voltage sub-pixels allows adjacent sub-pixels in the same column to be driven in a high-low voltage interleaved arrangement to achieve the purpose of reducing color shift.
  • the display device includes: a display panel 200, a memory, a processor, and a display device that is stored on the memory and can run on the processor.
  • the driver program of the display panel 200, the display panel 200 includes a display array 100, and the driver program of the display panel 200 is configured to implement the steps of the driving method embodiment of the display panel 200 as described above.
  • the display panel 200 also It includes a scanning circuit 210 and a driving circuit 220.
  • the scanning circuit 210 is configured to output scan driving signals, generally scanning the pixel units row by row, and the driving circuit 220 is configured to output data driving signals so that the pixel units receive when scanned. Drive data for display.
  • the display panel 200 may refer to the above-mentioned embodiment.
  • the conduction time of the first preset scan driving signal is shorter than the second preset scan driving signal.
  • the even-numbered column of sub-pixels in the first row of pixel units and the odd-numbered columns of sub-pixels in the adjacent row of pixel units in the driving cycle are driven by the first preset scan driving signal, and the first row of pixel units
  • the odd-numbered column sub-pixels in and the even-numbered column sub-pixels in the adjacent row of pixel units are driven by the second preset scan driving signal, so that the conduction time of the two scan driving signals is different, and the two scan driving signals are
  • the charging ability of the sub-pixels is different, and the adjacent sub-pixels are driven by the driving mode of high and low voltage interleaved arrangement, so as to reduce the color shift

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  • 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

Procédé de commande de panneau d'affichage et dispositif d'affichage. Le procédé comporte les étapes consistant à: obtenir un premier signal prédéfini de balayage et un second signal prédéfini de balayage, une durée de conduction du premier signal prédéfini de commande de balayage étant inférieure à celle du second signal prédéfini de commande de balayage (S10); prendre la période pendant laquelle deux rangées de sous-pixels adjacents sont balayées comme période de commande, et commander, au cours de la période de commande, des colonnes à numéros pairs de sous-pixels dans la première rangée d'unités de pixels et des colonnes à numéros impairs de sous-pixels dans la rangée adjacente d'unités de pixels en utilisant le premier signal prédéfini de commande de balayage (S20); et commander, au cours de la période de commande, des colonnes à numéros impairs de sous-pixels dans la première rangée d'unités de pixels et des colonnes à numéros pairs de sous-pixels dans la rangée adjacente d'unités de pixels en utilisant le second signal prédéfini de commande de balayage (S30).
PCT/CN2019/129295 2019-01-30 2019-12-27 Procédé de commande de panneau d'affichage et dispositif d'affichage WO2020155990A1 (fr)

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CN201910095053.9 2019-01-30
CN201910095053.9A CN109584837A (zh) 2019-01-30 2019-01-30 显示面板的驱动方法及显示设备

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