WO2020082436A1 - Panneau d'affichage - Google Patents

Panneau d'affichage Download PDF

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Publication number
WO2020082436A1
WO2020082436A1 PCT/CN2018/114758 CN2018114758W WO2020082436A1 WO 2020082436 A1 WO2020082436 A1 WO 2020082436A1 CN 2018114758 W CN2018114758 W CN 2018114758W WO 2020082436 A1 WO2020082436 A1 WO 2020082436A1
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WO
WIPO (PCT)
Prior art keywords
pixel
sub
signal
same
display panel
Prior art date
Application number
PCT/CN2018/114758
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English (en)
Chinese (zh)
Inventor
纪飞林
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惠科股份有限公司
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 惠科股份有限公司 filed Critical 惠科股份有限公司
Publication of WO2020082436A1 publication Critical patent/WO2020082436A1/fr

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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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • 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 display technology, in particular to a display panel.
  • RGBW technology brings consumers high brightness and high contrast under a white screen, it can also reduce the brightness of the backlight, reduce the energy consumption of the entire LCD panel, and achieve energy-saving effects.
  • each color sub-pixel will be driven by data of the same polarity in the same frame.
  • the common electrode will have a voltage offset due to the coupling effect of the data signal of the same polarity in the previous frame.
  • the polarity of the offset common electrode is reversed in the next frame of data signal, there will be a problem of flickering the picture.
  • a display panel including:
  • Multiple scanning lines extending in the first direction, set to provide scanning signals line by line;
  • a plurality of data lines extending in the second direction and crossing the scan line are arranged to provide a data signal.
  • the data signal includes a plurality of sub-signals.
  • the scan line provides a scan signal
  • the data line provides a Sub-signal
  • Data drive connected to the data line, set to control the output of the data signal
  • a plurality of pixel rows includes a plurality of pixel groups, the pixel group includes an even number of pixel units;
  • the pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel, The first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are all connected to the scan line and the data line and each receives a sub-signal within a frame time; within a frame time, The number of sub-signals with positive polarity and the number of sub-signals with negative polarity received by the first, second, third and fourth sub-pixels in one pixel group the same;
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel of the plurality of pixel rows are arranged to form a plurality of pixel columns, and the data signals received by the same pixel column include sub-signals with positive polarity And the sub-signals in negative polarity.
  • the data signals received by the same pixel column are divided into a plurality of signal groups, the data signals in the signal group include an even number of sub-signals, and the even number of sub-signals are at positive
  • the number of sexual sub-signals is the same as the number of negative sub-signals.
  • the number of the sub-signals included in each of the signal groups is the same.
  • a plurality of the signal groups are periodically arranged to form several signal periods.
  • one signal period includes one signal group.
  • the sub-signals in the first half of the signal period have the same polarity
  • the sub-signals in the second half of the signal period have the same polarity
  • the first half of the signal period The polarity of the sub-signal in the signal period is opposite to the polarity of the sub-signal in the second half of the signal period.
  • the first half of the signal period has one sub-signal
  • the second half of the signal period has one sub-signal
  • the polarities of adjacent sub-signals received in each pixel unit are opposite, and the polarities of adjacent sub-signals received by adjacent pixel units of the same pixel group are the same.
  • the polarities of adjacent sub-signals received in each of the pixel groups are opposite.
  • each pixel group in the same pixel row is periodically arranged.
  • the arrangement of the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel in each pixel group of the same pixel row is different.
  • the polarity distribution of the sub-signals received in each pixel group of the same pixel row is different, the first sub-pixel in each pixel group of the same pixel row, The second sub-pixel, the third sub-pixel, and the fourth sub-pixel are arranged in the same manner.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel in each pixel unit of the same pixel group are arranged in the same order.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel in each pixel unit of the same pixel row are arranged in the same order.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel in the pixel unit of the odd-numbered pixel rows are all arranged according to the first arrangement manner, the even-numbered rows
  • the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel in the pixel unit of the pixel row are all arranged according to the second arrangement manner.
  • the first arrangement is that the first subpixel, the second subpixel, the third subpixel, and the fourth subpixel are all in accordance with the first subpixel, the second subpixel, the third The sub-pixels and the fourth sub-pixels are arranged in sequence;
  • the second arrangement is that the first, second, third and fourth sub-pixels are all in accordance with the third and fourth sub-pixels The pixels, the first sub-pixel, and the second sub-pixel are arranged in this order.
  • the fourth sub-pixel is a brightening sub-pixel.
  • the fourth sub-pixel is a white sub-pixel.
  • the first subpixel is a red subpixel; the second subpixel is a green subpixel; and the third subpixel is a blue subpixel.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel in the pixel unit of all pixel rows are arranged in the same order.
  • the above display panel can effectively prevent the voltage deviation of the common electrode due to the coupling effect of the data signal during the single-color display within a frame time. Furthermore, when the polarity of the data signals of the upper and lower frames is reversed, the problem of flickering on the screen can be effectively improved. At the same time, the polarities of the data signals received on the pixel columns of the same column are not completely the same, preventing the voltage shift of the column due to the coupling effect of the corresponding common electrode, thereby preventing the data signals of the column from reversing the polarity of the upper and lower frames In the case of rotation, vertical stripes are generated. Furthermore, the display performance is further improved.
  • FIG. 1 is a schematic diagram of the display panel in the previous frame in an embodiment
  • FIG. 2 is a schematic view showing the display panel shown in FIG. 1 in the next frame.
  • the display panel provided by the present application may be set in a liquid crystal display device or a liquid crystal display device, for example, a liquid crystal display, a liquid crystal television, and so on.
  • the panel of the present application may be a twisted nematic (TN) panel, an in-pane switching (IPS) panel, a multi-quadrant vertical alignment technology (Multi-domain Vertica Aignment, VA) panel.
  • TN twisted nematic
  • IPS in-pane switching
  • VA multi-quadrant vertical alignment technology
  • other types of panels can also be used.
  • a display panel including a plurality of scan lines 100, a plurality of data lines 200, a data drive (unlabeled), and a plurality of pixel rows (unlabeled)
  • the plurality of scan lines 100 extend in a first direction (for example, a horizontal direction), and are provided to provide scan signals line by line.
  • a plurality of data lines 200 which extend in a second direction (for example, the vertical direction) and cross the scan line 100, are arranged to provide data signals.
  • the data signal includes multiple sub-signals.
  • the scan line 100 provides a scan signal
  • the data line 200 provides a sub-signal.
  • the data driver is connected to the data line 200 and is set to control the output of the data signal.
  • the pixel row includes a plurality of pixel groups 300.
  • the pixel group 300 includes an even number of pixel units 310.
  • the pixel unit 310 includes a first sub-pixel 311, a second sub-pixel 312, a third sub-pixel 313, and a fourth sub-pixel 314.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 are all connected to the data line 200 and the scan line 100 and each receives a sub-signal within a frame time.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 are all turned on by the scan signal on the scan line 100, and are charged by the data signal of the data line 200.
  • the positive sub-pixels received by the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 The number of signals is the same as the number of sub-signals in negative polarity. Therefore, during single-color display, it is possible to effectively prevent the common electrode from generating a voltage shift due to the coupling effect of the data signal within a frame time. Furthermore, when the polarity of the data signals of the upper and lower frames is reversed, the problem of flickering on the screen can be effectively improved.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 of the plurality of pixel rows of the present application are arranged into a plurality of pixel columns.
  • the data signals received by the same pixel column include sub-signals with positive polarity and sub-signals with negative polarity, which can make the polarity of the data signals received on the pixel column of the same column not exactly the same and prevent the column from
  • the corresponding common electrode generates a voltage offset due to the coupling effect, thereby preventing the column from generating vertical stripes when the polarity of the data signal of the upper and lower frames is reversed. Furthermore, the display performance is further improved.
  • the pixel row includes a plurality of pixel groups 300, and the pixel group 300 includes an even number of pixel units 310.
  • the pixel group 300 includes two pixel units 310, and the polarity distribution of the data signal in the pixel group 300 may be +,-, +,-,-, +,-, +.
  • this application is not limited to this.
  • the data signals received by the same pixel column are divided into multiple signal groups.
  • the data signal in a signal group includes an even number of sub-signals. And in the even number of sub-signals, the number of sub-signals with positive polarity is the same as the number of sub-signals with negative polarity. Therefore, it is beneficial to make the coupling effect of the positive sub-signal and the negative sub-signal on the common electrode cancel each other, thereby effectively preventing the generation of vertical stripes. In order to make the display more uniform, the same number of sub-signals included in each signal group may be set.
  • the number of signal groups can be set to multiple groups, and the multiple signal groups are arranged periodically to form several signal cycles.
  • the signals are arranged periodically, that is, cyclically arranged, so that the properties of each pixel column are more uniform throughout.
  • the data signals of each group may not be arranged periodically, and the number of sub-signals included in each signal group may be the same or different.
  • the number of signal groups is set to multiple groups, and the multiple signal groups are periodically arranged.
  • one signal period may include one signal group.
  • the polarities of the sub-signals in the first half of the signal period are the same, and the polarities of the sub-signals in the second half of the signal period are the same.
  • the polarity of the sub-signal in the first half of the signal period is opposite to that of the sub-signal in the second half of the signal period.
  • one signal period may also include more than one signal group, and the comparison in this application is not limited.
  • the first half of the signal period has one sub-signal
  • the second half of the signal period has one sub-signal
  • the sub-signal in the first half signal period and the sub-signal in the second half signal period The opposite.
  • the polarity of the data signals on the pixel columns of the same column alternates positively and negatively, which can effectively prevent mutual cancellation of the coupling effect on the common electrode.
  • the adjacent sub-signals received by each pixel column have opposite polarities, and thus the positive and negative data signals in the column direction of the pixel column can cancel the coupling effect on the common electrode in time .
  • the adjacent sub-signals received in each pixel unit can be set to have opposite polarities, so that the positive and negative data signals in the pixel unit can cancel the coupling effect on the common electrode in time.
  • Adjacent sub-signals received by adjacent pixel units of the same pixel group have the same polarity, thereby facilitating the realization of sub-pixels of the same color on the same pixel row (first sub-pixel 311 or second sub-pixel 312 or third sub-pixel 313 or the fourth sub-pixel 314) receives the same number of sub-signals in positive polarity as the number of sub-signals in negative polarity.
  • the adjacent sub-signals received in each pixel group 300 can also be set The polarity is reversed.
  • the arrangement order of the first subpixel 311, the second subpixel 312, the third subpixel 313, and the fourth subpixel 314 in one pixel group 300 is: the first subpixel 311, the second subpixel 312, the third Sub-pixel 313, fourth sub-pixel 314, second sub-pixel 312, third sub-pixel 313, fourth sub-pixel 314, first sub-pixel 311, then the polarity distribution of the received sub-signals in the pixel group 300 can be +,-, +,-, +,-, +,-.
  • each pixel group 300 in the same pixel row is periodically arranged, that is, the same pixel group 300 is cyclically arranged, which can effectively improve the display uniformity on the pixel row.
  • the same pixel group 300 indicates that the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in the pixel group are arranged in the same way, and the polarity distribution of the sub-signals received in the pixel group The same.
  • each pixel group 300 in the same pixel row may not be arranged periodically, and this application does not limit this.
  • the first subpixel 311, the second subpixel 312, the third subpixel 313, and the fourth subpixel 314 in each pixel group in the same pixel row are arranged in the same manner, and each pixel group 300 in the same pixel row receives
  • the sub-signal polarity distribution is different.
  • the polarity distribution of the sub-signals received in each pixel group 300 of the same pixel row is the same, and the first sub-pixel 311, the second sub-pixel 312, and the third sub-pixel 313 in each pixel group 300 of the same pixel row 3.
  • the arrangement of the fourth sub-pixels 314 is different.
  • the polarity distribution of the sub-signals received in each pixel group 300 of the same pixel row is different.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, the third The arrangement of the four sub-pixels 314 is also different.
  • the first subpixel 311 may be a red subpixel R
  • the second subpixel 312 may be a green subpixel G
  • the third subpixel 313 may be a blue subpixel B
  • the fourth subpixel 314 may be white Subpixel W.
  • the first sub-pixel, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 may also be sub-pixels of other colors, which is not limited in this application.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 are sub-pixels of different colors, their performances are different.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in each pixel unit 310 of the same pixel group 300 are arranged in the same order, so that Consistency of performance of each pixel unit.
  • each pixel group 300 in the same pixel row may be periodically arranged, and the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth in each pixel unit 310 of the same pixel row
  • the sub-pixels 314 are arranged in the same order, thereby facilitating design.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in each pixel unit 310 of the same pixel group 300 may also be in different orders arrangement.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in each pixel unit 310 of the same pixel group 300 may be arranged in the same order, but different in the same pixel row
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in the pixel group 300 may be arranged in different orders.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in the pixel unit 310 of all pixel rows are arranged in the same order, for example, according to The order of the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 is arranged in sequence, thereby making the layout simple.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in the pixel units of the odd-numbered pixel rows are all arranged according to the first arrangement manner, for example, according to The first subpixel 311, the second subpixel 312, the third subpixel 313, and the fourth subpixel 314 are arranged in this order.
  • the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in the pixel units of the even-numbered pixel rows are arranged according to the second arrangement manner
  • the four sub-pixels 314, the first sub-pixels 311, and the second sub-pixels 312 are arranged in order, so that the brightness of the display panel is uniform everywhere.
  • the fourth sub-pixel 314 may be a brightening sub-pixel (for example, a white sub-pixel). Therefore, in this embodiment, the brightening sub-pixels are not located in the same pixel column, so that the display panel is evenly brightened everywhere.
  • the arrangement order of the first sub-pixel 311, the second sub-pixel 312, the third sub-pixel 313, and the fourth sub-pixel 314 in the pixel unit 310 of each pixel row may also be the same as the above two Examples are different. This application does not limit this.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

L'invention concerne un panneau d'affichage qui comprend une pluralité de rangées de pixels, la pluralité de rangées de pixels comprenant une pluralité de groupes de pixels (300), les groupes de pixels (300) comprenant un nombre pair d'unités de pixels (310), le nombre de sous-signaux de polarité positive reçus par des premiers sous-pixels (311), des deuxièmes sous-pixels (312), des troisièmes sous-pixels (313) et des quatrièmes sous-pixels (314) des unités de pixels (310) étant identique au nombre de sous-signaux de polarité négative.
PCT/CN2018/114758 2018-10-22 2018-11-09 Panneau d'affichage WO2020082436A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821714347.2 2018-10-22
CN201821714347.2U CN208969390U (zh) 2018-10-22 2018-10-22 显示面板

Publications (1)

Publication Number Publication Date
WO2020082436A1 true WO2020082436A1 (fr) 2020-04-30

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PCT/CN2018/114758 WO2020082436A1 (fr) 2018-10-22 2018-11-09 Panneau d'affichage

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WO (1) WO2020082436A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111028717B (zh) * 2019-12-30 2021-10-26 上海天马有机发光显示技术有限公司 一种有机发光显示面板及有机发光显示装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880874A (zh) * 2015-05-20 2015-09-02 深圳市华星光电技术有限公司 一种液晶显示面板及装置
CN107886924A (zh) * 2017-12-19 2018-04-06 惠科股份有限公司 一种显示面板、显示装置及驱动方法
CN107978288A (zh) * 2017-12-19 2018-05-01 惠科股份有限公司 一种显示面板、显示装置及驱动方法
CN108091309A (zh) * 2017-12-19 2018-05-29 惠科股份有限公司 一种显示面板、显示装置及驱动方法
CN108109599A (zh) * 2017-12-19 2018-06-01 惠科股份有限公司 一种显示面板、显示装置及驱动方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880874A (zh) * 2015-05-20 2015-09-02 深圳市华星光电技术有限公司 一种液晶显示面板及装置
CN107886924A (zh) * 2017-12-19 2018-04-06 惠科股份有限公司 一种显示面板、显示装置及驱动方法
CN107978288A (zh) * 2017-12-19 2018-05-01 惠科股份有限公司 一种显示面板、显示装置及驱动方法
CN108091309A (zh) * 2017-12-19 2018-05-29 惠科股份有限公司 一种显示面板、显示装置及驱动方法
CN108109599A (zh) * 2017-12-19 2018-06-01 惠科股份有限公司 一种显示面板、显示装置及驱动方法

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