WO2017121016A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2017121016A1
WO2017121016A1 PCT/CN2016/074698 CN2016074698W WO2017121016A1 WO 2017121016 A1 WO2017121016 A1 WO 2017121016A1 CN 2016074698 W CN2016074698 W CN 2016074698W WO 2017121016 A1 WO2017121016 A1 WO 2017121016A1
Authority
WO
WIPO (PCT)
Prior art keywords
pixels
gate
lines
data lines
display device
Prior art date
Application number
PCT/CN2016/074698
Other languages
English (en)
Chinese (zh)
Inventor
甘启明
Original Assignee
深圳市华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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
Publication of WO2017121016A1 publication Critical patent/WO2017121016A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • 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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266—Details of drivers for scan electrodes

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular to an application to an OLED (Organic Light Emitting) Diode) display device.
  • OLED Organic Light Emitting
  • the display device 10 includes a plurality of pixels, a plurality of data lines (D1-D7...), and a plurality of gate lines (G1-G4).
  • the plurality of pixels are distributed into x column pixels.
  • Each column of pixels needs to connect two data lines, that is, the x column pixels, and a total of 2x data lines are required to be normally controlled.
  • the first column of pixels on the left side needs to connect the data lines (D1, D2).
  • This method takes up a lot of space and affects the aperture ratio (aperture).
  • Ratio, AR which greatly increases the number of control chips (ICs) of the data lines and increases manufacturing costs.
  • the present invention provides a display device including a display panel, at least one gate driver, at least one source driver, and a timing controller.
  • the display panel includes a distribution of n rows of X a plurality of pixels of a matrix of m columns, and including n gate lines and m data lines, each row of pixels being connected to one of the n gate lines, each column of pixels being connected to the m strips Two data lines in the data line, each of the data lines connecting two columns of pixels in the m column of pixels, and a plurality of pixels of each column of pixels are alternately connected to the two data lines.
  • the at least one gate driver drives the n gate lines.
  • the at least one source driver drives the m data lines.
  • the timing controller controls the at least one gate driver and the at least one source driver. m and n are natural numbers.
  • the at least one gate driver comprises a chip on film. COF) or array driver on array (GOA) circuit.
  • the m data lines include a plurality of first data lines and a plurality of second data lines
  • the first source driver drives the plurality of first data lines
  • the second source The pole driver drives the plurality of second data lines.
  • the plurality of first data lines and the plurality of second data lines are staggered.
  • the at least one gate driver includes a first gate driver and a second gate driver, and the first gate driver and the second gate driver are respectively disposed on the display panel. On both sides.
  • the n gate lines include a plurality of first gate lines and a plurality of second gate lines
  • the first gate driver drives the plurality of first gate lines.
  • the second gate driver drives the plurality of second gate lines.
  • the plurality of first gate lines and the plurality of second gate lines are staggered.
  • the first gate driver and the second gate driver simultaneously drive the n gate lines by emitting gate signals from left and right sides of the n gate lines.
  • the m column of pixels is divided into a first group of pixels and a second group of pixels, and the first gate driver and the second gate driver respectively control the first group of pixels and the The second set of pixels.
  • the first set of pixels comprises a portion of the m columns of pixels and the second set of pixels comprises another portion of the m columns of pixels.
  • the present invention proposes a solution that can solve the problem of insufficient COF space for single side placement. That is, the signal of the data line is crossed and fed from the upper and lower sides of the panel, and in the case of the same number of data lines, the space can be doubled. This is a solution for small to medium sized high resolution panels.
  • each of the data lines of the present invention controls one half of the pixels in the left and right columns, in other words, one data line controls one column of pixels, does not affect the aperture ratio, and does not increase the manufacturing cost.
  • FIG. 1 is a schematic diagram of a prior art display device
  • FIG. 2 is a schematic diagram of a display device in accordance with a first preferred embodiment of the present invention
  • FIG. 3 is a schematic diagram of a display device in accordance with a second preferred embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a display device in accordance with a third preferred embodiment of the present invention.
  • the display device 100 includes a display panel 110 , a first source driver 130 , a second source driver 140 , a first gate driver 150 , and a timing controller 120 .
  • the display panel 110 includes a distribution of n rows of X
  • the m columns are arranged in a matrix of a plurality of pixels, and include n gate lines G1-Gn and m data lines D1-Dm. Where m and n are natural numbers.
  • Each row of pixels is connected to one of the n gate lines G1-Gn, and each column of pixels is connected to two of the m data lines D1-Dm.
  • Each of the data lines connects two columns of pixels in the m column of pixels, and a plurality of pixels of each column of pixels are alternately connected to the two data lines.
  • the leftmost column of pixels is connected to the gate line D1 and the data lines G1, G2.
  • the first gate driver drives the n gate lines G1-Gn.
  • the first source driver 130 and the second source driver 140 drive the m data lines D1-Dn.
  • the timing controller 120 controls the first source driver 130, the second source driver 140, and the first gate driver 150.
  • the data line D3 is connected to a half pixel of a column of pixels on the left side (a third column of pixels from the left) and a column of pixels on the right side thereof (the fourth column of pixels from the left) Half of the pixels;
  • the data line D4 is connected to a half of the pixels of the left column of pixels (the fourth column of pixels from the left) and half of the pixels of the column of the right column (the fifth column of pixels from the left);
  • the fourth column of pixels is connected to the data lines D3, D4.
  • the n data lines can control the display of the plurality of pixels.
  • the m data lines D1-Dm include a plurality of first data lines D1, D3, D5, D7, ... and a plurality of second data lines D2, D4, D6, .
  • the first source driver 130 drives the plurality of first data lines D1, D3, D5, D7, ...
  • the second source driver 140 drives the plurality of second data lines D2, D4, D6, ...
  • the plurality of first data lines D1, D3, D5, D7, ... and the plurality of second data lines D2, D4, D6, ... are staggered.
  • adjacent data lines (such as D1 and D2) are controlled by different source drivers.
  • the first source driver 130 and the second source driver 140 are respectively disposed on two sides of the display panel 110.
  • the cross scan of the first data line and the second data line and the gate line are sequentially scanned from top to bottom to achieve a screen display.
  • the first source driver 130 and the second source driver 140 are stripped with a data circuit board (Data PCB) implementation.
  • Data PCB data circuit board
  • the first gate driver 150 is implemented by a thin film flip chip or an array substrate row scan driving circuit.
  • the plurality of first data lines and the plurality of second data lines may not be staggered.
  • FIG 3 is a schematic diagram of a display device 200 in accordance with a second preferred embodiment of the present invention.
  • the preferred embodiment differs from the first preferred embodiment in that a second gate driver 160 is added.
  • the first gate driver 150 and the second gate driver 160 simultaneously drive the gate signals from the left and right sides of the n gate lines G1-Gn to drive the n gate lines G1-Gn.
  • the first gate driver 150 and the second gate driver 160 are respectively disposed on two sides of the display panel 110.
  • the m column of pixels is divided into a first group of pixels and a second group of pixels.
  • the first gate driver 150 and the second gate driver 160 respectively control the first group of pixels and the second group of pixels.
  • the first gate driver 150 and the second gate driver 160 respectively control the first group of pixels and the second group of pixels.
  • the first group comprises a portion of the m column of pixels; the second group of pixels comprises another portion of the m column of pixels.
  • the load on the gate driver can be reduced and the RC delay can be reduced.
  • a part of the m column of pixels may be the first column to the m/2 (or the nearest integer) column pixel; and the other part of the m column pixel may be the m/2+1 (or the nearest integer) columns to the mth column of pixels.
  • the portion and the other portion may also include unequal columns of pixels.
  • the part is 1/3 m columns of pixels; the other part is 2/3 m columns of pixels.
  • the scanning manner of the data lines of the preferred embodiment is the same as that of the first preferred embodiment, but the scanning manner of the gate lines is different.
  • the scanning method of the gate line of the preferred embodiment is that the plurality of gate lines are sequentially scanned for a picture to achieve a screen display.
  • the first gate driver 150 and the second gate driver 160 are not limited to control only a part of the m columns of pixels, but can control all the pixels to be gated. Taking the epipolar line G1 as an example, the first gate driver 150 and the second gate driver 160 can transmit gate signals corresponding to each pixel of the first row of pixels. Therefore, the display of the picture can still be maintained when one of the gate drivers or a part of the gate lines fails.
  • n gate lines G1-Gn include a plurality of first gate lines G1, G3, G5, ... and a plurality of second gate lines G2, G4, G6...
  • the first gate driver 150 is responsible for driving the plurality of first gate lines G1, G3, G5, ...
  • the second gate driver 160 is responsible for driving the plurality of second gate lines G2, G4, G6, .
  • the plurality of first gate lines G1, G3, G5, ... and the plurality of second gate lines G2, G4, G6, ... are staggered.
  • the first gate driver 150 and the second gate driver 160 control the first gate line and the second gate line, respectively.
  • the first gate line and the second gate line are not repeated, so the space occupied by the first gate driver 150 and the second gate driver 160 can be reduced. Further, it is possible to realize the design of a narrow bezel on both sides of the display panel 110.
  • the scanning manner of the data lines of the preferred embodiment is the same as that of the first preferred embodiment, but the scanning manner of the gate lines is different.
  • the scanning method of the gate line of the preferred embodiment is that the first gate line and the second gate line are cross-scanned to achieve a screen display.
  • the first gate driver 150 and the second gate driver 160 of the third preferred embodiment only need to control a part of the n gate lines, thus The space occupied by the first gate driver 150 and the second gate driver 160 can be effectively low, which is advantageous for the design of the narrow bezel.
  • the plurality of first gate lines and the plurality of second gate lines may not be staggered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

La présente invention concerne un dispositif d'affichage qui comprend un panneau d'affichage (110), au moins un circuit d'attaque (150 et 160) de grille, au moins un circuit d'attaque (130 et 140) de source et un contrôleur (120) de synchronisation. Le panneau d'affichage (110) comprend de multiples pixels répartis dans une matrice de n rangées × m colonnes, n lignes de grille et m lignes de données. Chaque rangée de pixels est connectée à une ligne de grille de n lignes de grille, chaque colonne de pixels est connectée à deux lignes de données des m lignes de données et chaque ligne de données est connectée à deux colonnes de pixels des m colonnes de pixels, ce qui permet ainsi de réguler efficacement le nombre de lignes de données.
PCT/CN2016/074698 2016-01-13 2016-02-26 Dispositif d'affichage WO2017121016A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610022241.5A CN105633122A (zh) 2016-01-13 2016-01-13 显示装置
CN201610022241.5 2016-01-13

Publications (1)

Publication Number Publication Date
WO2017121016A1 true WO2017121016A1 (fr) 2017-07-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/074698 WO2017121016A1 (fr) 2016-01-13 2016-02-26 Dispositif d'affichage

Country Status (2)

Country Link
CN (1) CN105633122A (fr)
WO (1) WO2017121016A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN106023948B (zh) 2016-08-10 2019-08-06 武汉华星光电技术有限公司 液晶显示面板及液晶显示装置
CN108133947B (zh) * 2016-12-01 2019-11-08 京东方科技集团股份有限公司 显示面板、显示设备及补偿方法
TWI636446B (zh) * 2017-11-08 2018-09-21 友達光電股份有限公司 顯示面板
CN108899329A (zh) * 2018-07-03 2018-11-27 京东方科技集团股份有限公司 像素阵列及其制备方法、显示面板、显示装置
TWI726564B (zh) * 2019-12-31 2021-05-01 財團法人工業技術研究院 具備閘極驅動器的畫素陣列及矩陣式感測器陣列

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CN105093731A (zh) * 2014-05-08 2015-11-25 乐金显示有限公司 显示设备以及用于驱动该显示设备的方法
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CN104714319A (zh) * 2014-12-23 2015-06-17 上海中航光电子有限公司 一种液晶显示面板及其显示装置

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