WO2019052448A1 - Procédé d'attaque et appareil d'attaque pour écran d'affichage, et appareil d'affichage - Google Patents

Procédé d'attaque et appareil d'attaque pour écran d'affichage, et appareil d'affichage Download PDF

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Publication number
WO2019052448A1
WO2019052448A1 PCT/CN2018/105087 CN2018105087W WO2019052448A1 WO 2019052448 A1 WO2019052448 A1 WO 2019052448A1 CN 2018105087 W CN2018105087 W CN 2018105087W WO 2019052448 A1 WO2019052448 A1 WO 2019052448A1
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sub
row
pixels
source
gate
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PCT/CN2018/105087
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English (en)
Chinese (zh)
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何怀亮
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惠科股份有限公司
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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

Definitions

  • the present application relates to the field of liquid crystal panel display, and in particular to a driving device, a display device and a driving method for a display panel.
  • liquid crystal display systems With the development of liquid crystal display technology, liquid crystal display systems have been developed in the direction of large size and high resolution.
  • TFT liquid crystal display devices basically use TFT (ThinFilm Transistor) liquid crystal display systems; TFT liquid crystal display devices work on the principle that each liquid crystal pixel is driven by a thin film transistor integrated behind the pixel, thereby It can achieve high speed, high brightness and high contrast display screen information. It is one of the best liquid crystal color display devices at present.
  • Each pixel of TFT liquid crystal display is controlled by TFT thin film transistor integrated on itself. Active pixel point. Therefore, not only can the speed be greatly improved, but the contrast and brightness are also greatly improved, and the resolution is also at a very high level.
  • the TFT liquid crystal display system has a faster display speed and a more layered picture than other types of liquid crystal display systems such as a TFD (Thin Film Diode) liquid crystal display system and an STN (Super Twisted Nematic) liquid crystal display system.
  • the TFT liquid crystal display device displays better image quality and is widely used in large-sized liquid crystal display devices.
  • 8K display panels are based on TFT liquid crystal display systems, and TFT LCD panels are the main two types of driver chips. It is: gate driver (source driver) and source driver (source driver); source driver (source driver), its driver chip is connected to the source of the TFT, responsible for providing the display panel with the data to be displayed, will be located.
  • the liquid crystal capacitor (Clc, capacitor on liquid crystal) and the storage capacitor (Cs, storage capacitor) on the liquid crystal panel are charged to the required voltage.
  • the gate driver is responsible for providing the TFT gate turn-on level of the panel, and sequentially turning on the TFT thin film transistors on the liquid crystal panel by sending out the waveform so that the S/D (source driver) will be located on the liquid crystal panel.
  • the liquid crystal capacitor Clc and the storage capacitor Cs are charged to the required voltage, that is, a whole line of display points are charged to display different gray levels.
  • the source line source line also called the data line/data line
  • the charging voltage, the lower half is supplied by the source driver below.
  • Such a system may cause a horizontal line at the position of the cutting line due to the inconsistent relationship between the gamma voltage and the voltage attenuation on the source line.
  • the industry is called uneven cutting (also called mura).
  • the main purpose of the present application is to provide a driving device, a driving method, and a display device for a display panel, which aim to solve the problem that the large-size panel may cause mura.
  • the present application provides a driving device for a display panel, the display panel including a display area and a non-display area, wherein the display area includes a plurality of sub-pixels arranged in a matrix; In the direction of the two sides of the display area, the direction of the row of the matrix is the direction of one end of the display area;
  • the driving device includes:
  • a plurality of source driving units including a plurality of first source driving units and a plurality of second source driving units respectively disposed on both sides of the display area, wherein the first source driving unit is connected
  • the source lines are connected to the plurality of sub-pixels on the corresponding column and located in the odd-numbered rows, and the source lines connected to the second source driving unit are connected to the plurality of sub-pixels on the corresponding column and located in the even-numbered rows;
  • a plurality of gate driving units are disposed at one end of the display region, wherein the gate lines connected to the gate driving unit are connected to the plurality of sub-pixels on the corresponding row.
  • each gate line connects and controls two adjacent rows of sub-pixels.
  • each gate driving unit is connected to two gate lines.
  • the adjacent sub-pixels of the same column have opposite polarity settings.
  • adjacent sub-pixel dot polarities of the same row are arranged oppositely.
  • the present application further provides a display device, where the display device includes:
  • the present application further provides a driving method of a display panel, wherein a plurality of first source driving units and a plurality of second source driving units are disposed on two sides of the display panel, and one end of the display panel is provided a gate driving unit, the driving method includes:
  • the gate driving unit simultaneously turns on a switch unit corresponding to the i-th row sub-pixel and a switch unit corresponding to the i+1-th row sub-pixel, so that the plurality of first source driving units are on the ith row
  • the pixels are charged, and the plurality of second source driving units charge the i+1th row of sub-pixels, the i being an odd number.
  • the gate driving unit simultaneously turns off the switching unit corresponding to the i-th row sub-pixel and the switching unit corresponding to the i+1-th row sub-pixel to pre-turn on the i+2th row sub-pixel and the i+3 A switching unit corresponding to a sub-pixel.
  • the driving device includes a plurality of source driving units, and includes a plurality of first source driving units and a plurality of second source driving units correspondingly disposed on two sides of the display area,
  • the source line connected to the first source driving unit is connected to a plurality of sub-pixels on the corresponding column and located in the odd-numbered rows, and the source line connected to the second source driving unit is connected to the corresponding column and located in the even number a plurality of sub-pixels of the row; and a plurality of gate driving units disposed at one end of the display region, wherein the gate lines connected to the gate driving unit are connected to the plurality of sub-pixels on the corresponding row.
  • the driving device can avoid the phenomenon that the gamma voltage of the display panel and the voltage on the source line are inconsistent in the production process of the large-size display panel, thereby solving the problem of cutting mura occurring in the process of generating the large-size display panel.
  • FIG. 1 is a schematic view of a driving device of an exemplary large-size display panel
  • FIG. 2 is a schematic diagram of an embodiment of a driving device for a display panel according to the present application
  • FIG. 3 is a schematic view of still another embodiment of a driving device for a display panel according to the present application.
  • FIG. 4 is a schematic diagram of still another embodiment of a driving device for a display panel according to the present application.
  • FIG. 5 is a schematic diagram showing a manner of changing various polarities of an exemplary display panel
  • FIG. 6 is a schematic flow chart of an embodiment of a driving method based on a thin film transistor display panel of the present application.
  • the main two types of driving chips of the liquid crystal display panel are gate driver and source driver; as shown in FIG. 1, in FIG. 1, 100 represents a source driver, and each source driver 100 includes a multi-output source driving unit (ie, a plurality of first source driving units), and the driving chip is connected to a source of a TFT (Thin Film Transistor thin film transistor), and is responsible for providing the display panel with data to be displayed, and
  • TFT Thin Film Transistor thin film transistor
  • the liquid crystal capacitor (Clc, capacitor on liquid crystal) and the storage capacitor (Cs, storage capacitor) located on the liquid crystal panel are charged to a required voltage.
  • FIG. 1 shows a conventional single-gate thin film transistor display panel driving device, and the driving principle thereof is as follows:
  • Each TFT on the display panel and the capacitor connected in parallel with Clc and Cs represent a display point (ie, a sub-pixel); and a basic pixel unit pixel requires three such displayed points (sub-pixels), respectively representing RGB three primary colors.
  • the TFT liquid crystal 8K display panel with a resolution of 7680*4320 requires a total of 7680*4320*3 such points (sub-pixels).
  • each gate driver 200 in FIG. 1 represents a gate driver, and each gate driver 200 includes a multi-output gate driving unit (ie, a plurality of gate driving units), and each gate driving unit is responsible for providing a TFT gate opening of the panel.
  • a multi-output gate driving unit ie, a plurality of gate driving units
  • each gate driving unit is responsible for providing a TFT gate opening of the panel.
  • the TFT thin film transistors on the liquid crystal panel are sequentially turned on by sending out waveforms, so that the source driving charges the liquid crystal capacitor Clc and the storage capacitor Cs on the liquid crystal panel to a required voltage, that is, an entire line of display Point to charge to display different gray levels;
  • the gate driving unit turns off the voltage; then the next row of the gate driving unit charges and discharges the display point (sub-pixel) of the next row, so as to continue Filling up the display point of the last row of the display panel, and then turning back to start charging from the first row from the beginning, and thus cycling, the imaging of the single-gate thin film transistor display panel can be completed.
  • the drive ie each gate driver 200, has 270 gate drive units (which may also be referred to as having 270 gate drive switches or referred to as having 270 gate drive output channels).
  • 8K display panels are based on the driving architecture of TFT liquid crystal display systems; referring to Figure 1, the middle is an 8K display panel, in order to reduce the source drive (source) Driver), the source line source line (also called data line / data line) of the panel is separated from the middle control (indicated by the dotted line M in Figure 1), and the upper part is driven by the source driver on the upper side (source driver) The charging voltage is supplied, and the lower half is supplied with a charging voltage by a source driver below.
  • Such a system may cause a horizontal line at the position of the cutting line due to the inconsistent relationship between the gamma voltage and the voltage attenuation on the source line.
  • the industry is called uneven cutting (also called cutting mura).
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • “multiple” or “plurality” means two (two) or two (two) or more unless otherwise stated.
  • the present application proposes a driving device for a display panel.
  • FIG. 2 is a schematic structural diagram of a first embodiment of a display panel driving apparatus according to the present application.
  • the display panel includes a display area and a non-display area, wherein the display area includes a plurality of sub-pixels arranged in a matrix; the direction of the columns of the matrix is the direction of the two sides of the display area, The direction of the row of the matrix is the direction of one end of the display area;
  • the driving device includes:
  • a plurality of source driving units including a plurality of first source driving units and a plurality of second source driving units respectively disposed on both sides of the display area, wherein the first source driving unit is connected
  • the source lines are connected to the plurality of sub-pixels on the corresponding column and located in the odd-numbered rows, and the source lines connected to the second source driving unit are connected to the plurality of sub-pixels on the corresponding column and located in the even-numbered rows;
  • a plurality of gate driving units are disposed at one end of the display region, wherein the gate lines connected to the gate driving unit are connected to the plurality of sub-pixels on the corresponding row.
  • the display area of the display panel has a plurality of sub-pixels, and one basic display pixel unit pixel is composed of three sub-pixels (ie, three points are displayed as such), respectively representing three primary colors of RGB;
  • the shape of the display panel is a rectangle; the display area is provided with a plurality of source lines (horizontal direction) arranged side by side, the sub-pixels on the display area are arranged in an array, and the sub-pixels are further divided into odd numbers. Row sub-pixels and even row sub-pixels; the upper and lower sides of the display panel are opposite to each other, and the left and right ends are also opposite to each other;
  • the driving device of the display panel has a plurality of source driving units, and includes a plurality of first source driving units (S/D-1) and a plurality of second sources correspondingly disposed on two sides of the display panel display area a driving unit (S/D-2), wherein a source line connected to the first source driving unit is connected to a plurality of sub-pixels on a corresponding column and located in an odd row, and is connected to the second source driving unit The source line is connected to a plurality of sub-pixels on the corresponding column and located in the even line;
  • the driving device of the display panel is described based on the driving structure of the single-gate thin film transistor display panel.
  • the upper side of the display panel is taken as the first On the side, the lower side of the display panel is referred to as a second side; (of course, the lower side may be the first side and the upper side may be the second side); in FIG. 2, the source line n is an odd-numbered source line.
  • the source line n+1 is the source line of the even column.
  • the upper side (first side) is provided with a plurality of first source driving S/D-1, and each source line n extends from each source driving output channel on the first side at the first In the vertical direction, the first vertical direction can be understood as the direction of the S/D-1 from the upper side (first side) to the lower side (second side); referring to FIG. 2, each source line n is connected And controlling a column of odd row sub-pixels in the first vertical direction.
  • the lower side (second side) is provided with a plurality of second source drives SD-2, and each source line n+1 extends from the source driving output channels on the lower side (second side) to the second vertical
  • the second vertical direction can be understood as the direction of the S/D-2 from the lower side (the second side) to the upper side (the first side); referring to FIG. 2, each source line n+1 Connecting and controlling an array of even row sub-pixels in the second vertical direction.
  • the source line n and the source line n+1 are two adjacent source lines in the display area, and the source line n is connected to the sub-pixel and the source.
  • the sub-pixels connected by line n+1 are on the same column straight line (n is a positive integer).
  • the source line n in FIG. 2 is an odd column.
  • the source line n of the driving device of the present application may also be an even column; corresponding to the source line n in the map 2 +1 is an even column.
  • the source line n+1 may also be an odd column.
  • the driving device of the display panel further includes a plurality of gate driving units G/D disposed at one end of the display region, wherein the gate lines connected to the gate driving are connected to the plurality of sub-pixels on the corresponding row.
  • each gate driving unit is disposed at the left end of the display panel.
  • each thin film transistor corresponds to a single sub-pixel, in actual production, a gate line connected to the gate driving is connected to a plurality of thin film transistors on a corresponding row, corresponding to the gate The gate line of the driving connection is connected to a plurality of sub-pixels on the corresponding row.
  • one column of sub-pixels is controlled by the source lines respectively drawn from the source driving units (also referred to as source driving output channels) on the upper and lower sides, compared to the exemplary one source line control.
  • the source driving source driver of the driving device of the present application is halved, thereby minimizing the power consumption of the source driving source driver, thereby reducing the source driving.
  • Source driver temperature e.g., the corresponding gate lines are turned on in a preset order, so that each of the source driving units S/D-1 on one side charges the sub-pixels of the odd rows, and the respective source driving units S/D on the other side are completed.
  • -2 charges the sub-pixels of the even rows, so that the problem of inconsistent voltage attenuation between the gamma voltage and the source line does not occur, and the problem of cutting mura occurring in the generation process of the large-sized display panel can be solved.
  • FIG. 3 is a schematic structural diagram of a second embodiment of a display panel driving apparatus according to the present application. Based on the embodiment shown in FIG. 2, a second embodiment of a display panel driving apparatus of the present application is proposed.
  • FIG. The embodiment shown in 2 is an example.
  • each gate line connects and controls two adjacent rows of sub-pixels; that is, two adjacent rows of sub-pixels are a group of sub-pixels, and each group of sub-pixels includes odd-row sub-pixels and even-row sub-pixels.
  • Each gate line controls a set of sub-pixels.
  • the exemplary single-gate thin film transistor display driving architecture is that one gate line gate line controls only one row of sub-pixels, and the embodiment of the present application is that one gate line gate line simultaneously controls two rows of sub-pixels;
  • a plurality of gate driving units G/D are disposed on a left side of the display panel, and the display panel is provided with a plurality of rows of gate lines arranged side by side; adjacent two rows of sub-pixels As a group of sub-pixels, each set of sub-pixels includes odd-row sub-pixels and even-row sub-pixels, and each gate line connects and controls adjacent two rows of sub-pixels.
  • each gate line is scanned in the order from top to bottom, and the first row of sub-pixels and the second row of sub-pixels are adjacent to a group of sub-pixels, and are all corresponding to the first row.
  • Gate line (G1) control since a plurality of first source driving units (S/D-1) and a plurality of second source driving units (S/D-2) are disposed on both sides of the display panel,
  • the gate driving transmits a gate signal through the first row gate line (G1) to simultaneously open the thin film transistor corresponding to the first row subpixel and the thin film transistor corresponding to the second row subpixel, so that the upper side (the first side)
  • Each of the source driving units S/D-1 charges the first row of sub-pixels
  • the lower (second side) of each source driving unit S/D-2 charges the second row of sub-pixels, so that All sub-pixels (ie, display points) of the first row and the second row are charged to their respective required voltages;
  • the first row of gate lines is turned off ( G1) connected thin film transistor; then gate drive transmits gate signal through the second row gate line (G2) to simultaneously open the corresponding thin film transistor of the third row of sub-pixel
  • gate Line sequentially charging each group of sub-pixels until one of the last two rows of sub-pixels is charged for the last row of gate lines (Gn), and then all of the sub-pixels in the display panel are charged once.
  • each gate line connects and controls two adjacent rows of sub-pixels, and each gate driving unit G/D is connected with two gate lines; the first row The gate line (G1) and the second row of gate lines (G2) are two adjacent gate lines, and the gate line G1 and the gate line G2 are connected to the same gate drive (also referred to as gate drive) Output channel); similarly, the third row gate line (G3) and the fourth row gate line (G4) are two adjacent gate lines, and the gate line G3 and the gate line G4 are connected to the same gate Driving the output channel; and so on, that is, each gate driving unit is connected with two gate lines.
  • the first row The gate line (G1) and the second row of gate lines (G2) are two adjacent gate lines, and the gate line G1 and the gate line G2 are connected to the same gate drive (also referred to as gate drive) Output channel); similarly, the third row gate line (G3) and the fourth row gate line (G4) are two adjacent gate lines, and the gate line G3 and the gate line G4 are connected to the
  • the exemplary single-gate thin film transistor display driving architecture is that one gate driving unit is connected to only one gate line gate line; and the embodiment of the present application is a gate driving unit connecting two gate lines. .
  • the two connection sub-pixels are simultaneously controlled by one connection line gate line, and one gate drive unit G/D (gate driver) is connected to two gate lines gate line, which can make the gate drive
  • the number of units G/D (gate driver) is halved, and half of the gate drive unit G/D (gate driver) is omitted.
  • FIG. 4 is a schematic structural diagram of a third embodiment of a thin film transistor display panel driving device according to the embodiment of the present invention. Based on the embodiment shown in FIG. 2, a third embodiment of a thin film transistor display panel driving device of the present application is provided. 4 is exemplified by the embodiment based on FIG. 2.
  • the adjacent sub-pixels of the same column have opposite polarities; that is, the source line n and the source line n+1 in FIG. 4 are respectively connected to sub-pixels having opposite signal polarities.
  • each thin film transistor on the display panel is combined with the liquid crystal capacitor Clc and the storage capacitor Cs.
  • This combined connection represents one sub-pixel; since the liquid crystal capacitor Clc is polar, the sub-pixel is also polar. .
  • a polarity inversion signal may be provided to the source driving of the display panel to provide a polarity to the sub-pixels by setting a timing controller, which is not described herein.
  • liquid crystal molecules still have a characteristic, they cannot be fixed at a certain voltage all the time. Otherwise, even if the voltage is cancelled, the liquid crystal molecules can no longer respond to the electric field due to the destruction of the characteristics. The changes are rotated to form different gray levels. Therefore, at regular intervals, the voltage must be restored to the original state to avoid damage to the characteristics of the liquid crystal molecules.
  • the display voltage in the liquid crystal display is divided into two polarities, one is positive polarity and the other is negative polarity.
  • the source line n and the source line n+1 in FIG. 4 are two adjacent source lines in the display area, the sub-pixels connected to the source line n and the source The sub-pixels connected to the pole line n+1 are located on the same column straight line.
  • row inversion may occur.
  • dot inversion Dot inversion two polarity transformations;
  • adjacent sub-pixel polarities of the same column are oppositely disposed, and adjacent sub-pixel polarities of the same row are oppositely disposed, that is, referring to FIG. 4, the source line is divided.
  • the odd-numbered column source line n and the even-numbered column source line n+1; the adjacent odd-numbered column source lines n are respectively connected to the sub-pixels having opposite signal polarities; the adjacent even-numbered column source lines n+1 are respectively connected to the signals Subpixels of opposite polarity.
  • the first column source line (odd column) in FIG. 4 is connected to the positive sub-pixel, and the second column source line (even column) is connected to the negative sub-pixel, the first column.
  • the sub-pixels connected to the source line are on the same column line as the sub-pixels connected to the second column source line;
  • the third column source line (odd column) is connected to the negative sub-pixel, and the fourth column source line (
  • the even columns are connected to the positive sub-pixels, the sub-pixels connected to the third column source line are in the same column line as the sub-pixels connected to the fourth column source line;
  • the fifth column source line (odd column) Connected to the positive sub-pixels, the sixth column source line (even column) is connected to the negative sub-pixel,
  • the fifth column source line connected sub-pixel is the same as the sixth column source line connected sub-pixel
  • the effect of the polarity inversion method of the dot inversion can be achieved by the column inversion driving S/D using the
  • the so-called Flicker phenomenon is that when you look at the screen of the LCD monitor, you will feel the flickering of the screen. It does not deliberately make the display appear bright and light to make a flashing visual effect, but because the gray level of the displayed picture will change slightly every time the picture is updated, and the eye feels flickering.
  • the phenomenon of crosstalk it refers to the information between the adjacent points, the information to be displayed will affect the other party, so that the displayed picture will have an incorrect condition; although crosstalk (Crosstalk) There are many kinds of phenomena, and as long as the polarity of adjacent points is different, this phenomenon can be reduced.
  • FIG. 6 is a schematic flow chart of a first embodiment of a driving method based on a thin film transistor display panel according to the present application.
  • a plurality of first source driving units and a plurality of second source driving units are disposed on two sides of the display panel, and one end of the display panel is provided with a plurality of gate driving units, and the driving Methods include:
  • the gate driving unit simultaneously turns on a switch unit corresponding to the i-th row sub-pixel and a switch unit corresponding to the i+1-th row sub-pixel, so that the plurality of first source driving units are paired with the i Row sub-pixels are charged, and the plurality of second source driving units charge the i+1th row of sub-pixels, the i being an odd number;
  • the gate driving unit simultaneously turns off the switching unit corresponding to the i-th row sub-pixel and the switching unit corresponding to the i+1-th row sub-pixel to pre-turn on the i+2th row sub-pixel and the i-th +3 row of sub-pixel corresponding switch unit.
  • a row of gate lines is connected to a source terminal of each thin film transistor corresponding to a row (in this embodiment, a row of gate lines is connected to adjacent two rows of thin film transistors), and the gate driving unit passes through the gate.
  • the polar line direction sends a gate signal to the corresponding thin film transistor to control the opening and closing of the thin film transistor. Therefore, in the present embodiment, the switching unit can be understood as a thin film transistor.
  • each gate line is scanned in the order from top to bottom, and the first row of sub-pixels and the second row of sub-pixels are adjacent to a group of sub-pixels. And are controlled by the corresponding first row of gate lines G1; since the display panel is provided with a plurality of first source driving units S/D-1 and a plurality of second source driving units S/D- 2.
  • the gate driving unit transmits a gate signal through the gate line G1 to simultaneously open the thin film transistor corresponding to the first row of sub-pixels and the thin film transistor corresponding to the second row of sub-pixels, so that the upper side (first side)
  • the source driving unit S/D-1 charges the first row of sub-pixels
  • the lower (second side) of each source driving unit S/D-2 charges the second row of sub-pixels, so that the first row And all the display points of the second row are charged to the respective required voltages; when the first row of sub-pixels and the second row of sub-pixels are charged, the thin film transistor connected to the first row of gate lines (G1) is turned off;
  • the pole driving unit transmits a gate signal through the second row gate line (G2) to simultaneously open the corresponding thin film transistor of the third row of sub-pixels and the fourth row a thin film transistor corresponding to a pixel such that each of the source driving units S/D-1 of the upper side (first side) charges the third row of sub-pixels,
  • the above-mentioned driving method can solve the problem that the cutting mura is generated in the current large-size panel production process.
  • the present application also proposes a display device comprising: a display panel, and a driving device of the display panel according to any of the above embodiments.
  • the display panel may be a liquid crystal display panel
  • the display device may be a display device such as a computer display screen, a television display screen, and a tablet computer display screen.

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  • Computer Hardware Design (AREA)
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Abstract

L'invention concerne un appareil d'attaque et un procédé d'attaque pour écran d'affichage, et un dispositif d'affichage. L'appareil d'attaque comprend : une pluralité d'unités d'attaque de source (S/D), comprenant une pluralité de premières unités d'attaque de source et une pluralité de secondes unités d'attaque de source agencées de manière correspondante sur deux côtés d'une zone d'affichage, des lignes de source connectées aux premières unités d'attaque de source étant connectées à une pluralité de sous-pixels situés dans une colonne correspondante et dans une rangée impaire, et des lignes de source connectées aux secondes unités d'attaque de source étant connectées à une pluralité de sous-pixels situés dans une colonne correspondante et dans une rangée paire; et une pluralité d'unités d'attaque de grille (G/D) agencées au niveau d'une extrémité de la zone d'affichage, des lignes de grille connectées aux unités d'attaque de grille étant connectées à une pluralité de sous-pixels dans une rangée correspondante.
PCT/CN2018/105087 2017-09-12 2018-09-11 Procédé d'attaque et appareil d'attaque pour écran d'affichage, et appareil d'affichage WO2019052448A1 (fr)

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CN201710819797.1A CN107564483A (zh) 2017-09-12 2017-09-12 一种显示面板的驱动装置、驱动方法及显示装置
CN201710819797.1 2017-09-12

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CN110379382A (zh) * 2019-06-06 2019-10-25 惠科股份有限公司 一种显示面板及其驱动方法和显示装置
CN113096579B (zh) * 2021-04-06 2024-04-12 福州京东方光电科技有限公司 显示面板、显示装置及显示面板的驱动方法
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