WO2020215490A1 - 显示装置及其驱动方法 - Google Patents

显示装置及其驱动方法 Download PDF

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Publication number
WO2020215490A1
WO2020215490A1 PCT/CN2019/094617 CN2019094617W WO2020215490A1 WO 2020215490 A1 WO2020215490 A1 WO 2020215490A1 CN 2019094617 W CN2019094617 W CN 2019094617W WO 2020215490 A1 WO2020215490 A1 WO 2020215490A1
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WO
WIPO (PCT)
Prior art keywords
thin film
film transistors
switching thin
chip
display device
Prior art date
Application number
PCT/CN2019/094617
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English (en)
French (fr)
Inventor
傅晓立
Original Assignee
深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US16/609,843 priority Critical patent/US20200335021A1/en
Publication of WO2020215490A1 publication Critical patent/WO2020215490A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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

Definitions

  • the present invention relates to the field of display technology, in particular to a display device and a driving method thereof.
  • TFT Thin Film Transistor
  • LCD Liquid Crystal Display
  • AMOLED Active Matrix Organic Light-Emitting Diode
  • liquid crystal displays which include a liquid crystal display panel and a backlight module.
  • the working principle of the liquid crystal display panel is based on the thin film transistor array substrate (Thin Film Transistor Array Substrate, TFT Array Substrate) and the color filter (Color Filter, CF)
  • the liquid crystal molecules are filled between the substrates, and the pixel voltage and the common voltage are applied to the two substrates.
  • the electric field formed between the pixel voltage and the common voltage controls the rotation direction of the liquid crystal molecules to reduce the backlight module
  • the light is transmitted to produce the picture.
  • the prior art display device needs to be connected to the multiple data lines 101' of the display panel 100' through the flip chip 20' provided with the source driving chip 10'.
  • the display panel 100' is an existing
  • the number of flip-chip films used is determined according to the resolution and the number of source driver data signal output channels.
  • many overlays are often used.
  • Each chip-on-chip film needs to drive the same number of data lines 101', which seriously increases the production cost.
  • the object of the present invention is to provide a display device that can realize a time-division multiplexing of a chip-on-chip film to control multiple data lines of a display panel, thereby saving the number of chip-on-chip films and reducing production costs.
  • the object of the present invention is also to provide a driving method of a display device, which can realize a time-division multiplexing of a flip chip film to control multiple data lines of a display panel, thereby saving the number of flip chip films and reducing production costs.
  • the present invention provides a display device, including: a display panel and a flip chip film connected to the display panel;
  • the display panel is provided with a multiplexing module and multiple data lines connected to the multiplexing module;
  • the multiplexing module includes a plurality of switching thin film transistors respectively arranged corresponding to a plurality of data lines, the source of each switching thin film transistor is electrically connected to the flip chip film, the drain is electrically connected to the corresponding data line, and the gate is connected to Input switch control signal;
  • Each adjacent M switching thin film transistors in the plurality of switching thin film transistors are a group of switching thin film transistors, and M is a positive integer greater than 2; a group of switching thin film transistors is connected to a switching control signal, and multiple groups of switching thin film transistors The corresponding switch control signals are all different.
  • the multiple switch control signals corresponding to the multiple groups of switching thin film transistors sequentially control the conduction of the multiple groups of switching thin film transistors.
  • the flip chip film is provided with a source driving chip connected to a plurality of switching thin film transistors, and the source driving chip is used for sequentially transmitting data signals to a plurality of data lines through a plurality of groups of switching thin film transistors.
  • the number of data signal output channels of the source driver chip is M.
  • the M switch thin film transistors in each group of switch thin film transistors respectively correspond to the M data signal output channels connected to the source drive chip.
  • the plurality of switching thin film transistors are all N-type thin film transistors.
  • the present invention also provides a driving method of a display device, which includes the following steps:
  • Step S1 Provide a display device; the display device includes a display panel and a flip chip film connected to the display panel;
  • the display panel is provided with a multiplexing module and multiple data lines connected to the multiplexing module;
  • the multiplexing module includes a plurality of switching thin film transistors respectively arranged corresponding to a plurality of data lines, the source of each switching thin film transistor is electrically connected to the flip chip film, the drain is electrically connected to the corresponding data line, and the gate is connected to Input switch control signal;
  • Each adjacent M switching thin film transistors in the plurality of switching thin film transistors are a group of switching thin film transistors, and M is a positive integer greater than 2; a group of switching thin film transistors is connected to a switching control signal, and multiple groups of switching thin film transistors The corresponding switch control signals are all different;
  • Step S2 The multiple switch control signals corresponding to the multiple groups of switching thin film transistors sequentially control the multiple groups of switching thin film transistors to turn on;
  • Step S3 the chip on film transmits the data signal to the multiple data lines through multiple groups of switching thin film transistors in sequence.
  • the flip chip film is provided with a source driving chip connected to a plurality of switching thin film transistors.
  • the source driving chip transmits data signals to a plurality of data lines sequentially through multiple sets of switching thin film transistors. .
  • the number of data signal output channels of the source driver chip is M.
  • the M switch thin film transistors in each group of switch thin film transistors respectively correspond to the M data signal output channels connected to the source drive chip.
  • the display device of the present invention includes: a display panel and a flip chip film connected to the display panel; the display panel is provided with a multiplexing module and a multiplexing module connected to the multiplexing module Multiple data lines; the multiplexing module includes multiple switching thin film transistors respectively corresponding to the multiple data lines, the source of each switching thin film transistor is electrically connected to the flip-chip film, and the drain is electrically connected to the corresponding data Line, the gate is connected to a switch control signal; each adjacent M switch thin film transistors in the plurality of switch thin film transistors are a group of switch thin film transistors; a group of switch thin film transistors are connected to one switch control signal, and multiple groups of switch thin film transistors The multiple switch control signals respectively corresponding to the transistors are not the same.
  • Every adjacent M data lines in the multiple data lines are also a group of data lines.
  • Each group of data lines is controlled by a switch control signal, and multiple switch control signals sequentially control multiple groups of data lines to receive data signals, realizing a flip chip time-division multiplexing to control multiple data lines of the display panel separately, thereby saving the flip chip film In turn, reduce production costs.
  • the driving method of the display device of the present invention can realize a chip-on-chip film time-division multiplexing to control multiple data lines of the display panel respectively, thereby saving the quantity of the chip-on-chip film and reducing the production cost.
  • Figure 1 is a schematic diagram of a conventional display device
  • FIG. 2 is a schematic diagram of the display device of the present invention.
  • FIG. 3 is a flowchart of the driving method of the display device of the present invention.
  • the present invention provides a display device, including: a display panel 10 and a flip chip film 20 connected to the display panel 10;
  • the display panel 10 is provided with a multiplexing module 11 and a plurality of data lines 12 connected to the multiplexing module 11;
  • the multiplexing module 11 includes a plurality of switching thin film transistors 111 respectively corresponding to a plurality of data lines 12, the source of each switching thin film transistor 111 is electrically connected to the flip chip 20, and the drain is electrically connected to the corresponding data Line 12, the gate is connected to the switch control signal;
  • Each adjacent M switching thin film transistors 111 in the plurality of switching thin film transistors 111 is a group of switching thin film transistors 112, and M is a positive integer greater than 2; a group of switching thin film transistors 112 is connected to a switching control signal, and more The multiple switch control signals respectively corresponding to the group of switch thin film transistors 112 are different.
  • a multiplexing module 11 connected to a plurality of data lines 12 is provided in the display panel 10, and the multiplexing module 11 includes a plurality of switch films respectively corresponding to the plurality of data lines 12.
  • Transistor 111, the source of each switching thin film transistor 111 is electrically connected to the flip chip 20, the drain is electrically connected to the corresponding data line 12, and the gate is connected to a switching control signal; and each of the plurality of switching thin film transistors 111
  • the adjacent M switching thin film transistors 111 are a group of switching thin film transistors 112.
  • a group of switching thin film transistors 112 is connected to a switching control signal, and the switching control signals corresponding to the multiple groups of switching thin film transistors 112 are all different, that is, switching The number of control signals is the same as the number of groups of switching thin film transistors 111; since a plurality of switching thin film transistors 111 are respectively arranged corresponding to a plurality of data lines 12, it is equivalent to that every adjacent M data lines 12 of the plurality of data lines 12 are also It is a group of data lines 12, each group of data lines 12 is controlled by a switch control signal, and multiple switch control signals sequentially control multiple groups of data lines 12 to receive data signals to realize the flip chip 20 time-division multiplexing, that is, the present invention adopts multiple The multiplexing module 11 realizes the time-division multiplexing of a chip on film 20 to control multiple data lines 12 of the display panel 10, thereby saving the number of the chip on film 20, thereby reducing the production cost.
  • multiple switch control signals corresponding to the multiple groups of switch thin film transistors 112 sequentially control the multiple groups of switch thin film transistors 112 to be turned on.
  • the flip-chip film 20 is provided with a source driving chip 21 connected to a plurality of switching thin film transistors 111, and the source driving chip 21 is used to sequentially transmit data signals to the plurality of switching thin film transistors 112.
  • the multiple data lines 12 realize time-sharing transmission of data signals to the multiple data lines 12.
  • the number of data signal output channels of the source driver chip 21 is M, that is, the number of switch thin film transistors 111 in a group of switch thin film transistors 112 is the same as the number of data signal output channels of the source driver chip 21 That is to say, the number of switching thin film transistors 111 in each group of switching thin film transistors 112 is set according to the number of data signal output channels of the source driving chip 21.
  • the M switch thin film transistors 111 in each group of switch thin film transistors 112 respectively correspond to the M data signal output channels connected to the source driver chip 21.
  • the plurality of switching thin film transistors 111 are all N-type thin film transistors.
  • the display panel 10 includes a display area and a non-display area surrounding the display area; the multiplexing module 11 is provided in the non-display area of the display panel 10, and the data line 12 is located in the display area of the display panel 10. .
  • the present invention divides the plurality of switching thin film transistors 111 into three groups of switching thin film transistors 112, the first group of switching thin film transistors 112 is connected to the first switching control signal S1, and the second group of switching thin film transistors 112 is connected to the second switching control signal. S2, the third group of switching thin film transistors 112 is connected to the third switching control signal S3.
  • the first switching control signal S1 controls the first group of switching thin film transistors 112 to be turned on, and the second switching control signal S2 And the third switch control signal S3 respectively control the second group of switch thin film transistors 112 and the third group of switch thin film transistors 112 to turn off
  • the source driver chip 21 transmits data signals to the M data lines 12 corresponding to the first group of switch thin film transistors 112
  • the second switch control signal S2 controls the second group of switch thin film transistors 112 to turn on
  • the first switch control signal S1 and the third switch control signal S3 control the first group of switch thin film transistors 112 and the third group of switch thin film transistors 112 to turn off, respectively.
  • the source driver chip 21 transmits data signals to the M data lines 12 corresponding to the second group of switch thin film transistors 112.
  • the third switch control signal S3 controls the third group of switch thin film transistors 112 to turn on, and the first switch control signal S1 And the second switch control signal S2 respectively control the first group of switch thin film transistors 112 and the second group of switch thin film transistors 112 to turn off, and the source driver chip 21 transmits data signals to the M data lines 12 corresponding to the third group of switch thin film transistors 112.
  • the present invention also provides a driving method of a display device, which includes the following steps:
  • Step S1 please refer to FIG. 2 to provide a display device;
  • the display device includes: a display panel 10 and a flip chip film 20 connected to the display panel 10;
  • the display panel 10 is provided with a multiplexing module 11 and a plurality of data lines 12 connected to the multiplexing module 11;
  • the multiplexing module 11 includes a plurality of switching thin film transistors 111 respectively corresponding to a plurality of data lines 12, the source of each switching thin film transistor 111 is electrically connected to the flip chip 20, and the drain is electrically connected to the corresponding data Line 12, the gate is connected to the switch control signal;
  • Each adjacent M switching thin film transistors 111 in the plurality of switching thin film transistors 111 is a group of switching thin film transistors 112, and M is a positive integer greater than 2; a group of switching thin film transistors 112 is connected to a switching control signal, and more The multiple switch control signals respectively corresponding to the group of switch thin film transistors 112 are not the same;
  • Step S2 The multiple switch control signals corresponding to the multiple groups of switch thin film transistors 112 sequentially control the multiple groups of switch thin film transistors 112 to turn on;
  • Step S3 the chip on film 20 transmits the data signals to the data lines 12 through the groups of switch thin film transistors 112 in sequence.
  • a multiplexing module 11 connected to a plurality of data lines 12 is provided in the display panel 10, and the multiplexing module 11 includes a plurality of switch films respectively corresponding to the plurality of data lines 12.
  • Transistor 111, the source of each switching thin film transistor 111 is electrically connected to the flip chip 20, the drain is electrically connected to the corresponding data line 12, and the gate is connected to a switching control signal; and each of the plurality of switching thin film transistors 111
  • the adjacent M switching thin film transistors 111 are a group of switching thin film transistors 112.
  • a group of switching thin film transistors 112 is connected to a switching control signal, and the switching control signals corresponding to the multiple groups of switching thin film transistors 112 are all different, that is, switching
  • the number of control signals is the same as the number of groups of switching thin film transistors 111; since a plurality of switching thin film transistors 111 are respectively arranged corresponding to a plurality of data lines 12, it is equivalent to that every adjacent M data lines 12 of the plurality of data lines 12 are also It is a group of data lines 12, each group of data lines 12 is controlled by a switch control signal, and multiple switch control signals sequentially control multiple groups of data lines 12 to receive data signals, so as to realize the flip chip film 20 time division multiplexing, that is, the present invention can be realized
  • One chip-on-chip film 20 is time-division multiplexed to control multiple data lines 12 of the display panel 10, thereby saving the number of chip-on-chip films 20, thereby reducing production costs.
  • the flip chip film 20 is provided with a source driving chip 21 connected to a plurality of switching thin film transistors 111, and in the step S3, the source driving chip 21 passes the data signal through the plurality of switching thin film transistors. 112 is transmitted to a plurality of data lines 12 in sequence.
  • the number of data signal output channels of the source driver chip 21 is M, that is, the number of switch thin film transistors 111 in a group of switch thin film transistors 112 is the same as the number of data signal output channels of the source driver chip 21 That is to say, the number of switching thin film transistors 111 in each group of switching thin film transistors 112 is set according to the number of data signal output channels of the source driving chip 21.
  • the M switch thin film transistors 111 in each group of switch thin film transistors 112 respectively correspond to the M data signal output channels connected to the source driver chip 21.
  • the plurality of switching thin film transistors 111 are all N-type thin film transistors.
  • the display panel 10 includes a display area and a non-display area surrounding the display area; the multiplexing module 11 is provided in the non-display area of the display panel 10, and the data line 12 is located in the display area of the display panel 10. .
  • the present invention divides the plurality of switching thin film transistors 111 into three groups of switching thin film transistors 112, the first group of switching thin film transistors 112 is connected to the first switching control signal S1, and the second group of switching thin film transistors 112 is connected to the second switching control signal. S2, the third group of switching thin film transistors 112 is connected to the third switching control signal S3.
  • the first switching control signal S1 controls the first group of switching thin film transistors 112 to be turned on, and the second switching control signal S2 And the third switch control signal S3 respectively control the second group of switch thin film transistors 112 and the third group of switch thin film transistors 112 to turn off
  • the source driver chip 21 transmits data signals to the M data lines 12 corresponding to the first group of switch thin film transistors 112
  • the second switch control signal S2 controls the second group of switch thin film transistors 112 to turn on
  • the first switch control signal S1 and the third switch control signal S3 control the first group of switch thin film transistors 112 and the third group of switch thin film transistors 112 to turn off, respectively.
  • the source driver chip 21 transmits data signals to the M data lines 12 corresponding to the second group of switch thin film transistors 112.
  • the third switch control signal S3 controls the third group of switch thin film transistors 112 to turn on, and the first switch control signal S1 And the second switch control signal S2 respectively control the first group of switch thin film transistors 112 and the second group of switch thin film transistors 112 to turn off, and the source driver chip 21 transmits data signals to the M data lines 12 corresponding to the third group of switch thin film transistors 112.
  • the display device of the present invention includes: a display panel and a flip-chip film connected to the display panel; the display panel is provided with a multiplexing module and a multiplexing module connected to the multiplexing module.
  • the gate is connected to a switch control signal; each adjacent M switch thin film transistors in the plurality of switch thin film transistors are a group of switch thin film transistors; a group of switch thin film transistors are connected to a switch control signal, and multiple groups of switch thin film transistors The corresponding multiple switch control signals are not the same.
  • Every adjacent M data lines in the multiple data lines are also a group of data lines.
  • Group data lines are controlled by a switch control signal, and multiple switch control signals sequentially control multiple groups of data lines to receive data signals, realizing a flip chip time-division multiplexing to control multiple data lines of the display panel, thereby saving the cost of flip chip film Quantity, thereby reducing production costs.
  • the driving method of the display device of the present invention can realize a chip-on-chip film time-division multiplexing to control multiple data lines of the display panel respectively, thereby saving the quantity of the chip-on-chip film and reducing the production cost.

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  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
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  • Crystallography & Structural Chemistry (AREA)
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Abstract

提供一种显示装置，包括显示面板（10）以及与显示面板（10）连接的覆晶薄膜（20）；显示面板（10）中设有多路复用模块（11）以及与多路复用模块（11）连接的多条数据线（12）；多路复用模块（11）包括分别对应多条数据线（12）设置的多个开关薄膜晶体管（111），每个开关薄膜晶体管（111）的源极电性连接覆晶薄膜（20），漏极电性连接对应的数据线（12），栅极接入开关控制信号；多个开关薄膜晶体管（111）中每相邻M个开关薄膜晶体管（111）为一组开关薄膜晶体管（111）(M为2以上的正整数)；一组开关薄膜晶体管（111）接入一个开关控制信号且多组开关薄膜晶体管（111）分别对应的多个开关控制信号均不相同，实现一个覆晶薄膜（20）分时复用分别控制显示面板（10）的多条数据线（12），从而节省覆晶薄膜（20）的数量，进而降低生产成本。还提供显示装置的驱动方法。

Description

显示装置及其驱动方法 技术领域
本发明涉及显示技术领域，尤其涉及一种显示装置及其驱动方法。
 背景技术
薄膜晶体管（Thin Film Transistor，TFT）是目前液晶显示装置（Liquid Crystal Display，LCD）和有源矩阵驱动式有机电致发光显示装置（Active Matrix Organic Light-Emitting Diode，AMOLED）中的主要驱动元件，直接关系平板显示装置的显示性能。
现有市场上的液晶显示器大部分为背光型液晶显示器，其包括液晶显示面板及背光模组（backlight module）。液晶显示面板的工作原理是在薄膜晶体管阵列基板（Thin Film Transistor Array Substrate，TFT Array Substrate）与彩色滤光片（Color Filter，CF）基板之间灌入液晶分子，并在两片基板上分别施加像素电压和公共电压，通过像素电压和公共电压之间形成的电场控制液晶分子的旋转方向，以将背光模组的光线透射出来产生画面。
如图1所示，现有技术的显示装置需要通过设有源极驱动芯片10’的覆晶薄膜20’与显示面板100’的多条数据线101’连接，当显示面板100’ 为现有较高解析度（分辨率）的显示面板时，会依据解析度及源极驱动（source driver）数据信号输出通道数量决定使用覆晶薄膜的数量，在较高解析度下，往往需要使用很多覆晶薄膜，每个覆晶薄膜需要驱动相同数量的数据线101’，严重增加了生产成本。
 技术问题
本发明的目的在于提供一种显示装置，可以实现一个覆晶薄膜分时复用分别控制显示面板的多条数据线，从而节省覆晶薄膜的数量，进而降低生产成本。
本发明的目的还在于提供一种显示装置的驱动方法，可以实现一个覆晶薄膜分时复用分别控制显示面板的多条数据线，从而节省覆晶薄膜的数量，进而降低生产成本。
 技术解决方案
为实现上述目的，本发明提供了一种显示装置，包括：显示面板以及与所述显示面板连接的覆晶薄膜；
所述显示面板中设有多路复用模块以及与所述多路复用模块连接的多条数据线；
所述多路复用模块包括分别对应多条数据线设置的多个开关薄膜晶体管，每个开关薄膜晶体管的源极电性连接覆晶薄膜，漏极电性连接对应的数据线，栅极接入开关控制信号；
所述多个开关薄膜晶体管中每相邻M个开关薄膜晶体管为一组开关薄膜晶体管，设M为2以上的正整数；一组开关薄膜晶体管接入一个开关控制信号，且多组开关薄膜晶体管分别对应的多个开关控制信号均不相同。
多组开关薄膜晶体管分别对应的多个开关控制信号依次控制多组开关薄膜晶体管导通。
所述覆晶薄膜上设有与多个开关薄膜晶体管均连接的源极驱动芯片，所述源极驱动芯片用于将数据信号通过多组开关薄膜晶体管依次传输给多条数据线。
所述源极驱动芯片的数据信号输出通道的数量为M个。
每组开关薄膜晶体管中的M个开关薄膜晶体管分别对应连接源极驱动芯片的M个数据信号输出通道。
所述多个开关薄膜晶体管均为N型薄膜晶体管。
本发明还提供一种显示装置的驱动方法，包括如下步骤：
步骤S1、提供显示装置；所述显示装置包括：显示面板以及与所述显示面板连接的覆晶薄膜；
所述显示面板中设有多路复用模块以及与所述多路复用模块连接的多条数据线；
所述多路复用模块包括分别对应多条数据线设置的多个开关薄膜晶体管，每个开关薄膜晶体管的源极电性连接覆晶薄膜，漏极电性连接对应的数据线，栅极接入开关控制信号；
所述多个开关薄膜晶体管中每相邻M个开关薄膜晶体管为一组开关薄膜晶体管，设M为2以上的正整数；一组开关薄膜晶体管接入一个开关控制信号，且多组开关薄膜晶体管分别对应的多个开关控制信号均不相同；
步骤S2、多组开关薄膜晶体管分别对应的多个开关控制信号依次控制多组开关薄膜晶体管导通；
步骤S3、覆晶薄膜将数据信号通过多组开关薄膜晶体管依次传输给多条数据线。
所述覆晶薄膜上设有与多个开关薄膜晶体管均连接的源极驱动芯片，所述步骤S3中，所述源极驱动芯片将数据信号通过多组开关薄膜晶体管依次传输给多条数据线。
所述源极驱动芯片的数据信号输出通道的数量为M个。
每组开关薄膜晶体管中的M个开关薄膜晶体管分别对应连接源极驱动芯片的M个数据信号输出通道。
 有益效果
本发明的有益效果：本发明的显示装置包括：显示面板以及与所述显示面板连接的覆晶薄膜；所述显示面板中设有多路复用模块以及与所述多路复用模块连接的多条数据线；所述多路复用模块包括分别对应多条数据线设置的多个开关薄膜晶体管，每个开关薄膜晶体管的源极电性连接覆晶薄膜，漏极电性连接对应的数据线，栅极接入开关控制信号；所述多个开关薄膜晶体管中每相邻M个开关薄膜晶体管为一组开关薄膜晶体管；一组开关薄膜晶体管接入一个开关控制信号，且多组开关薄膜晶体管分别对应的多个开关控制信号均不相同，由于多个开关薄膜晶体管分别对应多条数据线设置，相当于所述多条数据线中每相邻M条数据线也为一组数据线，每组数据线通过一个开关控制信号控制，多个开关控制信号依次控制多组数据线接收数据信号，实现一个覆晶薄膜分时复用分别控制显示面板的多条数据线，从而节省覆晶薄膜的数量，进而降低生产成本。本发明的显示装置的驱动方法，可以实现一个覆晶薄膜分时复用分别控制显示面板的多条数据线，从而节省覆晶薄膜的数量，进而降低生产成本。
 附图说明
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图中，
图1为现有的显示装置的示意图；
图2为本发明的显示装置的示意图；
图3为本发明的显示装置的驱动方法的流程图。
 本发明的实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图2，本发明提供一种显示装置，包括：显示面板10以及与所述显示面板10连接的覆晶薄膜20；
所述显示面板10中设有多路复用模块11以及与所述多路复用模块11连接的多条数据线12；
所述多路复用模块11包括分别对应多条数据线12设置的多个开关薄膜晶体管111，每个开关薄膜晶体管111的源极电性连接覆晶薄膜20，漏极电性连接对应的数据线12，栅极接入开关控制信号；
所述多个开关薄膜晶体管111中每相邻M个开关薄膜晶体管111为一组开关薄膜晶体管112，设M为2以上的正整数；一组开关薄膜晶体管112接入一个开关控制信号，且多组开关薄膜晶体管112分别对应的多个开关控制信号均不相同。
需要说明的是，本发明通过在显示面板10中设置与多条数据线12连接的多路复用模块11，该多路复用模块11包括分别对应多条数据线12设置的多个开关薄膜晶体管111，每个开关薄膜晶体管111的源极电性连接覆晶薄膜20，漏极电性连接对应的数据线12，栅极接入开关控制信号；且所述多个开关薄膜晶体管111中每相邻M个开关薄膜晶体管111为一组开关薄膜晶体管112，一组开关薄膜晶体管112接入一个开关控制信号，且多组开关薄膜晶体管112分别对应的多个开关控制信号均不相同，即开关控制信号的数量与开关薄膜晶体管111的组的数量相同；由于多个开关薄膜晶体管111分别对应多条数据线12设置，相当于所述多条数据线12中每相邻M条数据线12也为一组数据线12，每组数据线12通过一个开关控制信号控制，多个开关控制信号依次控制多组数据线12接收数据信号，实现覆晶薄膜20分时复用，即本发明通过多路复用模块11实现一个覆晶薄膜20分时复用分别控制显示面板10的多条数据线12，从而节省覆晶薄膜20的数量，进而降低生产成本。
具体的，多组开关薄膜晶体管112分别对应的多个开关控制信号依次控制多组开关薄膜晶体管112导通。
具体的，所述覆晶薄膜20上设有与多个开关薄膜晶体管111均连接的源极驱动芯片21，所述源极驱动芯片21用于将数据信号通过多组开关薄膜晶体管112依次传输给多条数据线12，实现分时将数据信号传输给多条数据线12。
具体的，所述源极驱动芯片21的数据信号输出通道的数量为M个，即一组开关薄膜晶体管112中的开关薄膜晶体管111的数量与源极驱动芯片21的数据信号输出通道的数量相同，也就是说根据源极驱动芯片21的数据信号输出通道的数量来设置每组开关薄膜晶体管112中的开关薄膜晶体管111的数量。
进一步的，每组开关薄膜晶体管112中的M个开关薄膜晶体管111分别对应连接源极驱动芯片21的M个数据信号输出通道。
具体的，所述多个开关薄膜晶体管111均为N型薄膜晶体管。
具体的，所述显示面板10包括显示区以及包围显示区的非显示区；所述多路复用模块11设于显示面板10的非显示区，所述数据线12位于显示面板10的显示区。
例如，本发明将多个开关薄膜晶体管111总共分成三组开关薄膜晶体管112，第一组开关薄膜晶体管112接入第一开关控制信号S1，第二组开关薄膜晶体管112接入第二开关控制信号S2，第三组开关薄膜晶体管112接入第三开关控制信号S3，在显示面板10驱动时，首先，第一开关控制信号S1控制第一组开关薄膜晶体管112导通，第二开关控制信号S2和第三开关控制信号S3分别控制第二组开关薄膜晶体管112和第三组开关薄膜晶体管112截止，源极驱动芯片21传输数据信号给第一组开关薄膜晶体管112对应的M条数据线12，其次，第二开关控制信号S2控制第二组开关薄膜晶体管112导通，第一开关控制信号S1和第三开关控制信号S3分别控制第一组开关薄膜晶体管112和第三组开关薄膜晶体管112截止，源极驱动芯片21传输数据信号给第二组开关薄膜晶体管112对应的M条数据线12，最后，第三开关控制信号S3控制第三组开关薄膜晶体管112导通，第一开关控制信号S1和第二开关控制信号S2分别控制第一组开关薄膜晶体管112和第二组开关薄膜晶体管112截止，源极驱动芯片21传输数据信号给第三组开关薄膜晶体管112对应的M条数据线12。
请参阅图3，基于上述显示装置，本发明还提供一种显示装置的驱动方法，包括如下步骤：
步骤S1、请参阅图2，提供显示装置；所述显示装置包括：显示面板10以及与所述显示面板10连接的覆晶薄膜20；
所述显示面板10中设有多路复用模块11以及与所述多路复用模块11连接的多条数据线12；
所述多路复用模块11包括分别对应多条数据线12设置的多个开关薄膜晶体管111，每个开关薄膜晶体管111的源极电性连接覆晶薄膜20，漏极电性连接对应的数据线12，栅极接入开关控制信号；
所述多个开关薄膜晶体管111中每相邻M个开关薄膜晶体管111为一组开关薄膜晶体管112，设M为2以上的正整数；一组开关薄膜晶体管112接入一个开关控制信号，且多组开关薄膜晶体管112分别对应的多个开关控制信号均不相同；
步骤S2、多组开关薄膜晶体管112分别对应的多个开关控制信号依次控制多组开关薄膜晶体管112导通；
步骤S3、覆晶薄膜20将数据信号通过多组开关薄膜晶体管112依次传输给多条数据线12。
需要说明的是，本发明通过在显示面板10中设置与多条数据线12连接的多路复用模块11，该多路复用模块11包括分别对应多条数据线12设置的多个开关薄膜晶体管111，每个开关薄膜晶体管111的源极电性连接覆晶薄膜20，漏极电性连接对应的数据线12，栅极接入开关控制信号；且所述多个开关薄膜晶体管111中每相邻M个开关薄膜晶体管111为一组开关薄膜晶体管112，一组开关薄膜晶体管112接入一个开关控制信号，且多组开关薄膜晶体管112分别对应的多个开关控制信号均不相同，即开关控制信号的数量与开关薄膜晶体管111的组的数量相同；由于多个开关薄膜晶体管111分别对应多条数据线12设置，相当于所述多条数据线12中每相邻M条数据线12也为一组数据线12，每组数据线12通过一个开关控制信号控制，多个开关控制信号依次控制多组数据线12接收数据信号，实现覆晶薄膜20分时复用，即本发明可以实现一个覆晶薄膜20分时复用分别控制显示面板10的多条数据线12，从而节省覆晶薄膜20的数量，进而降低生产成本。
具体的，所述覆晶薄膜20上设有与多个开关薄膜晶体管111均连接的源极驱动芯片21，所述步骤S3中，所述源极驱动芯片21将数据信号通过多组开关薄膜晶体管112依次传输给多条数据线12。
具体的，所述源极驱动芯片21的数据信号输出通道的数量为M个，即一组开关薄膜晶体管112中的开关薄膜晶体管111的数量与源极驱动芯片21的数据信号输出通道的数量相同，也就是说根据源极驱动芯片21的数据信号输出通道的数量来设置每组开关薄膜晶体管112中的开关薄膜晶体管111的数量。
进一步的，每组开关薄膜晶体管112中的M个开关薄膜晶体管111分别对应连接源极驱动芯片21的M个数据信号输出通道。
具体的，所述多个开关薄膜晶体管111均为N型薄膜晶体管。
具体的，所述显示面板10包括显示区以及包围显示区的非显示区；所述多路复用模块11设于显示面板10的非显示区，所述数据线12位于显示面板10的显示区。
例如，本发明将多个开关薄膜晶体管111总共分成三组开关薄膜晶体管112，第一组开关薄膜晶体管112接入第一开关控制信号S1，第二组开关薄膜晶体管112接入第二开关控制信号S2，第三组开关薄膜晶体管112接入第三开关控制信号S3，在显示面板10驱动时，首先，第一开关控制信号S1控制第一组开关薄膜晶体管112导通，第二开关控制信号S2和第三开关控制信号S3分别控制第二组开关薄膜晶体管112和第三组开关薄膜晶体管112截止，源极驱动芯片21传输数据信号给第一组开关薄膜晶体管112对应的M条数据线12，其次，第二开关控制信号S2控制第二组开关薄膜晶体管112导通，第一开关控制信号S1和第三开关控制信号S3分别控制第一组开关薄膜晶体管112和第三组开关薄膜晶体管112截止，源极驱动芯片21传输数据信号给第二组开关薄膜晶体管112对应的M条数据线12，最后，第三开关控制信号S3控制第三组开关薄膜晶体管112导通，第一开关控制信号S1和第二开关控制信号S2分别控制第一组开关薄膜晶体管112和第二组开关薄膜晶体管112截止，源极驱动芯片21传输数据信号给第三组开关薄膜晶体管112对应的M条数据线12。
综上所述，本发明的显示装置包括：显示面板以及与所述显示面板连接的覆晶薄膜；所述显示面板中设有多路复用模块以及与所述多路复用模块连接的多条数据线；所述多路复用模块包括分别对应多条数据线设置的多个开关薄膜晶体管，每个开关薄膜晶体管的源极电性连接覆晶薄膜，漏极电性连接对应的数据线，栅极接入开关控制信号；所述多个开关薄膜晶体管中每相邻M个开关薄膜晶体管为一组开关薄膜晶体管；一组开关薄膜晶体管接入一个开关控制信号，且多组开关薄膜晶体管分别对应的多个开关控制信号均不相同，由于多个开关薄膜晶体管分别对应多条数据线设置，相当于所述多条数据线中每相邻M条数据线也为一组数据线，每组数据线通过一个开关控制信号控制，多个开关控制信号依次控制多组数据线接收数据信号，实现一个覆晶薄膜分时复用分别控制显示面板的多条数据线，从而节省覆晶薄膜的数量，进而降低生产成本。本发明的显示装置的驱动方法，可以实现一个覆晶薄膜分时复用分别控制显示面板的多条数据线，从而节省覆晶薄膜的数量，进而降低生产成本。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (10)

  1. 一种显示装置，包括：显示面板以及与所述显示面板连接的覆晶薄膜；
    所述显示面板中设有多路复用模块以及与所述多路复用模块连接的多条数据线；
    所述多路复用模块包括分别对应多条数据线设置的多个开关薄膜晶体管，每个开关薄膜晶体管的源极电性连接覆晶薄膜，漏极电性连接对应的数据线，栅极接入开关控制信号；
    所述多个开关薄膜晶体管中每相邻M个开关薄膜晶体管为一组开关薄膜晶体管，设M为2以上的正整数；一组开关薄膜晶体管接入一个开关控制信号，且多组开关薄膜晶体管分别对应的多个开关控制信号均不相同。
  2. 如权利要求1所述的显示装置，其中，多组开关薄膜晶体管分别对应的多个开关控制信号依次控制多组开关薄膜晶体管导通。
  3. 如权利要求2所述的显示装置，其中，所述覆晶薄膜上设有与多个开关薄膜晶体管均连接的源极驱动芯片，所述源极驱动芯片用于将数据信号通过多组开关薄膜晶体管依次传输给多条数据线。
  4. 如权利要求3所述的显示装置，其中，所述源极驱动芯片的数据信号输出通道的数量为M个。
  5. 如权利要求4所述的显示装置，其中，每组开关薄膜晶体管中的M个开关薄膜晶体管分别对应连接源极驱动芯片的M个数据信号输出通道。
  6. 如权利要求1所述的显示装置，其中，所述多个开关薄膜晶体管均为N型薄膜晶体管。
  7. 一种显示装置的驱动方法，包括如下步骤：
    步骤S1、提供显示装置；所述显示装置包括：显示面板以及与所述显示面板连接的覆晶薄膜；
    所述显示面板中设有多路复用模块以及与所述多路复用模块连接的多条数据线；
    所述多路复用模块包括分别对应多条数据线设置的多个开关薄膜晶体管，每个开关薄膜晶体管的源极电性连接覆晶薄膜，漏极电性连接对应的数据线，栅极接入开关控制信号；
    所述多个开关薄膜晶体管中每相邻M个开关薄膜晶体管为一组开关薄膜晶体管，设M为2以上的正整数；一组开关薄膜晶体管接入一个开关控制信号，且多组开关薄膜晶体管分别对应的多个开关控制信号均不相同；
    步骤S2、多组开关薄膜晶体管分别对应的多个开关控制信号依次控制多组开关薄膜晶体管导通；
    步骤S3、覆晶薄膜将数据信号通过多组开关薄膜晶体管依次传输给多条数据线。
  8. 如权利要求7所述的显示装置的驱动方法，其中，所述覆晶薄膜上设有与多个开关薄膜晶体管均连接的源极驱动芯片，所述步骤S3中，所述源极驱动芯片将数据信号通过多组开关薄膜晶体管依次传输给多条数据线。
  9. 如权利要求8所述的显示装置的驱动方法，其中，所述源极驱动芯片的数据信号输出通道的数量为M个。
  10. 如权利要求9所述的显示装置的驱动方法，其中，每组开关薄膜晶体管中的M个开关薄膜晶体管分别对应连接源极驱动芯片的M个数据信号输出通道。
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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110782825B (zh) * 2019-10-15 2022-04-01 Tcl华星光电技术有限公司 解决电磁干扰讯号的电路
CN110850654B (zh) * 2019-11-27 2020-12-04 深圳市华星光电半导体显示技术有限公司 一种液晶显示面板
CN111261123A (zh) * 2020-03-06 2020-06-09 Tcl华星光电技术有限公司 显示面板及其驱动方法
CN111477140A (zh) * 2020-04-08 2020-07-31 福建华佳彩有限公司 一种新节省功耗的显示屏架构及驱动方法
CN111477137A (zh) * 2020-04-08 2020-07-31 福建华佳彩有限公司 一种Demux显示屏结构及其驱动方法
CN111477138A (zh) * 2020-04-08 2020-07-31 福建华佳彩有限公司 一种省功耗的显示屏架构及驱动方法
CN113096600B (zh) * 2021-03-30 2022-09-06 京东方科技集团股份有限公司 折叠显示面板、装置及其驱动方法、电子设备
CN114944138B (zh) * 2022-06-14 2023-07-25 合肥鑫晟光电科技有限公司 显示面板的驱动方法、驱动电路和显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100603456B1 (ko) * 2003-07-04 2006-07-20 엘지.필립스 엘시디 주식회사 액정 표시 장치 및 그 구동 방법
US20170076665A1 (en) * 2015-09-10 2017-03-16 Samsung Display Co., Ltd. Display device
CN107452307A (zh) * 2017-05-16 2017-12-08 友达光电股份有限公司 显示面板
CN107887420A (zh) * 2017-10-25 2018-04-06 上海中航光电子有限公司 一种阵列基板、其制作方法、显示面板及显示装置
CN108428433A (zh) * 2017-02-15 2018-08-21 上海和辉光电有限公司 一种oled驱动电路
CN108766338A (zh) * 2018-06-19 2018-11-06 北京小米移动软件有限公司 显示面板及其驱动方法、电子设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101396937B1 (ko) * 2007-07-06 2014-05-20 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법
KR101620048B1 (ko) * 2010-01-20 2016-05-13 삼성디스플레이 주식회사 액정표시장치 및 이의 구동 방법
CN107316596B (zh) * 2017-07-24 2019-10-25 武汉华星光电技术有限公司 阵列基板测试电路
CN107481684B (zh) * 2017-07-24 2019-05-31 武汉华星光电技术有限公司 多路复用器控制电路
CN108182915A (zh) * 2017-12-28 2018-06-19 深圳市华星光电技术有限公司 多路复用型显示驱动电路
CN108550342A (zh) * 2018-07-02 2018-09-18 京东方科技集团股份有限公司 数据驱动电路及其驱动方法、阵列基板和显示面板

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100603456B1 (ko) * 2003-07-04 2006-07-20 엘지.필립스 엘시디 주식회사 액정 표시 장치 및 그 구동 방법
US20170076665A1 (en) * 2015-09-10 2017-03-16 Samsung Display Co., Ltd. Display device
CN108428433A (zh) * 2017-02-15 2018-08-21 上海和辉光电有限公司 一种oled驱动电路
CN107452307A (zh) * 2017-05-16 2017-12-08 友达光电股份有限公司 显示面板
CN107887420A (zh) * 2017-10-25 2018-04-06 上海中航光电子有限公司 一种阵列基板、其制作方法、显示面板及显示装置
CN108766338A (zh) * 2018-06-19 2018-11-06 北京小米移动软件有限公司 显示面板及其驱动方法、电子设备

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