WO2017028483A1 - 显示单元、显示面板及其驱动方法和显示装置 - Google Patents

显示单元、显示面板及其驱动方法和显示装置 Download PDF

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Publication number
WO2017028483A1
WO2017028483A1 PCT/CN2016/070355 CN2016070355W WO2017028483A1 WO 2017028483 A1 WO2017028483 A1 WO 2017028483A1 CN 2016070355 W CN2016070355 W CN 2016070355W WO 2017028483 A1 WO2017028483 A1 WO 2017028483A1
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Prior art keywords
sub
display
pixel
unit
pixels
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PCT/CN2016/070355
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English (en)
French (fr)
Inventor
永山和由
宋松
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京东方科技集团股份有限公司
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Priority to US15/122,786 priority Critical patent/US10140962B2/en
Priority to EP16754161.4A priority patent/EP3336830A4/en
Publication of WO2017028483A1 publication Critical patent/WO2017028483A1/zh

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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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/391—Resolution modifying circuits, e.g. variable screen formats
    • 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
    • G09G3/2003—Display of colours
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2074—Display of intermediate tones using sub-pixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/028—Circuits for converting colour display signals into monochrome display signals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display unit, a display panel, a driving method thereof, and a display device.
  • manufacturers often increase the display resolution of the display panel by increasing the physical resolution on the display panel, that is, by increasing the number of pixels on the display panel to enhance the display effect of the display panel. Specifically, by reducing the size of the pixels on the display panel, more pixels are provided on the display panel.
  • the invention provides a display unit, a display panel, a driving method thereof and a display device, which can effectively improve the display resolution of the display panel without changing the physical resolution of the display panel.
  • the present invention provides a display unit comprising: a full color display subunit capable of displaying full color and at least one black and white display subunit capable of displaying black and white;
  • the full color display subunit in the display unit is displayed A color pixel is shown, and each of the black and white display sub-units in the display unit independently displays one black and white pixel.
  • the display unit comprises: a total of four sub-pixels arranged in one row and four columns;
  • the adjacent three sub-pixels constitute the full-color display sub-unit, and the remaining one sub-pixel constitutes the black-and-white display sub-unit.
  • the display unit comprises: a total of four sub-pixels arranged in two rows and two columns;
  • the adjacent three sub-pixels constitute the full-color display sub-unit, and the remaining one sub-pixel constitutes the black-and-white display sub-unit.
  • the display unit comprises: a total of eight sub-pixels arranged in two rows and four columns;
  • the three sub-pixels on the same row and adjacent to each other constitute the full-color display sub-unit, and the remaining five sub-pixels respectively constitute a black-and-white display sub-unit.
  • the three sub-pixels constituting the full color display sub-unit are respectively a red sub-pixel, a green sub-pixel, and a blue sub-pixel;
  • the three sub-pixels constituting the full color display sub-unit are a yellow sub-pixel, a magenta sub-pixel, and a cyan sub-pixel, respectively.
  • the sub-pixels constituting the black and white display sub-unit are white sub-pixels.
  • the display unit comprises: a total of eight sub-pixels arranged in two rows and four columns;
  • the three sub-pixels on the same row and the adjacent three sub-pixels constitute the full-color display sub-unit, and three sub-pixels in different rows of the three sub-pixels in the full-color display sub-unit constitute one
  • the black and white display subunits, the remaining two subpixels respectively constitute one of the black and white display subunits.
  • the three sub-pixels in the full-color display sub-unit are respectively a red sub-pixel, a green sub-pixel, and a blue sub-pixel; or
  • the three sub-pixels in the full color display sub-unit are a yellow sub-pixel, a magenta sub-pixel, and a cyan sub-pixel, respectively.
  • the three sub-pixels in the full-color display sub-unit are respectively red sub- a pixel, a green sub-pixel, and a blue sub-pixel, wherein the three sub-pixels constituting one of the black and white display sub-units are a yellow sub-pixel, a magenta sub-pixel, and a cyan sub-pixel;
  • the three sub-pixels in the full-color display sub-unit are respectively a yellow sub-pixel, a magenta sub-pixel, and a cyan sub-pixel
  • the three sub-pixels constituting one of the black-and-white display sub-units are respectively red sub-pixels , green subpixels and blue subpixels.
  • the two sub-pixels respectively forming one of the black and white display sub-units are white sub-pixels.
  • the present invention also provides a display panel comprising a plurality of display units, the display unit adopting the above display unit.
  • the present invention further provides a driving method of a display panel, wherein the display panel adopts the above display panel, and the driving method of the display panel includes:
  • the display unit that drives the display line not on the color graphic and the black and white graphic is displayed in the first display mode.
  • the present invention also provides a display device comprising: a display panel using the above display panel.
  • the invention provides a display unit, a display panel, a driving method thereof and a display device.
  • the display unit comprises: a full color display subunit capable of displaying full color and at least one black and white display subunit capable of displaying black and white, when the display When the unit is in the first display mode, the full color display subunit and all the black and white display subunits in the display unit display one pixel together; when the display unit is in the second display mode, the full color display subunit in the display unit displays one Color pixels, each black and white display subunit in the display unit independently displays one black and white pixel.
  • the display unit that drives the boundary line between the color graphic and the black and white graphic is displayed in the second display mode, thereby improving pixel display information at the boundary line.
  • the amount, that is, the display resolution of the display panel is improved, thereby improving the display quality of the display panel.
  • FIG. 1 is a structural block diagram of a display unit according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of a first display unit according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of a second display unit provided in Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structural diagram of a third display unit provided in Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a fourth display unit according to Embodiment 1 of the present invention.
  • FIG. 1 is a structural block diagram of a display unit according to Embodiment 1 of the present invention.
  • a display unit is provided in the first embodiment of the present invention, and the display unit includes: a full color display subunit capable of displaying full color. 1 and at least one black and white display subunit 2 capable of displaying black and white (only one black and white display subunit 2 is exemplarily shown in FIG.
  • the display unit provided by the present invention has two display modes, namely, the first display mode and the first a second display mode, wherein, in the first display mode, the full color display subunit 1 and all the black and white display subunits 2 in the display unit jointly display one pixel; in the second display mode, the full color display in the display unit
  • the unit 1 displays one color pixel
  • each of the black and white display sub-units 2 in the display unit independently displays one black and white pixel.
  • the working mode of the display unit is the same as that in the prior art, that is, one display unit can only display one pixel, so the display unit can only provide one pixel display information for the user;
  • the display unit in the second display mode, is capable of displaying one full color pixel and at least one black and white pixel, ie one display The unit is capable of displaying at least two pixels, such that the display unit is capable of providing the user with at least two pixel display information. Therefore, when a part of the display unit is in the second display mode on the display panel, the amount of pixel display information provided by the display unit in the second display mode is increased for the user, so the corresponding display panel is in the second display mode.
  • the image detail of the display unit position is improved, that is, the display resolution of the display panel is effectively improved.
  • the display unit includes: a total of four sub-pixels arranged in one row and four columns, wherein adjacent three The sub-pixels constitute the full color display sub-unit 1, and the remaining one sub-pixel constitutes the black-and-white display sub-unit 2.
  • the three sub-pixels constituting the full-color display sub-unit 1 in FIG. 2 are the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B, respectively, but this does not result in the technical solution of the present application. limit.
  • the three sub-pixels constituting the full-color display sub-unit 1 are a yellow sub-pixel, a magenta sub-pixel, and a cyan sub-pixel, respectively.
  • one sub-pixel constituting the black-and-white display sub-unit 2 is a white sub-pixel W.
  • the red sub-pixel R, the green sub-pixel G, the blue sub-pixel B, and the white sub-pixel W collectively display one color pixel
  • the white sub-pixel W is used for Pixel display is performed with the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B (the function of the white sub-pixel W is to adjust the brightness of the pixel displayed by the display unit); when the display unit shown in FIG.
  • the display unit shown in FIG. 2 can provide two pixel display information in the second display mode.
  • the display unit on the boundary line between the color graphic and the black and white graphic may adopt the second display mode.
  • the display is performed to increase the amount of pixel display information of the boundary line, that is, the display resolution of the display panel is improved, and the user will feel that the outline of the graphic at the boundary line is more delicate.
  • FIG. 3 is a schematic structural diagram of a second display unit according to Embodiment 1 of the present invention.
  • the display unit includes: a total of four sub-pixels arranged in two rows and two columns; The three sub-pixels constitute the full color display subunit 1, and the remaining one subpixel constitutes the black and white display subunit 2.
  • the two display modes of the display unit shown in FIG. 3 reference may be made to the above description of the display unit shown in FIG. 2, and details are not described herein again.
  • FIG. 4 is a schematic structural diagram of a third display unit according to Embodiment 1 of the present invention.
  • the display unit is different from the display unit shown in FIG. 2 and FIG. 3 in that the display unit is in the middle of the display unit. It includes eight sub-pixels, and eight sub-pixels are arranged in two rows and four columns. The three sub-pixels on the same line and adjacent to each other constitute the full-color display sub-unit 1, and the remaining five sub-pixels respectively constitute a black-and-white display sub-unit 2.
  • the case where the three sub-pixels located in the first row, the second column, and the third column in FIG. 4 constitute the full-color display sub-unit 1 only serves as an exemplary function, and those skilled in the art It should be understood that the three sub-pixels constituting the full-color display sub-unit 1 may also be located in other positions of the eight sub-pixels that are in the "same row and adjacent" condition, and will not be exemplified herein.
  • the three sub-pixels constituting the full-color display sub-unit 1 in FIG. 4 are the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B, respectively, but this does not result in the technical solution of the present application. limit.
  • any combination that can utilize three sub-pixels of different colors for full color display should fall within the scope of protection of the present application.
  • the three sub-pixels constituting the full-color display sub-unit 1 are a yellow sub-pixel, a magenta sub-pixel, and a cyan sub-pixel, respectively.
  • the remaining five sub-pixels are white sub-pixels W.
  • each of the white sub-pixels W independently constitutes a black-and-white display sub-unit 2, and the five black-and-white display sub-units 2 are Black and white pixels can be displayed independently. It can be seen that the display unit can provide six pixel display information in the second display mode.
  • the display unit shown in FIG. 4 when the display unit shown in FIG. 4 is displayed in the first display mode, the number of white sub-pixels W in the display unit is large, and the white sub-pixel W is used to match the red sub-pixel R and the green sub-pixel G. And the blue sub-pixel B performs pixel display (the function of the white sub-pixel W is to adjust the brightness of the pixel displayed by the display unit), thereby effectively improving the maximum brightness of the display unit, thereby effectively improving the contrast of the display panel.
  • FIG. 5 is a schematic structural diagram of a fourth display unit according to Embodiment 1 of the present invention.
  • the display unit includes: a total of eight sub-pixels arranged in two rows and four columns, wherein they are in the same
  • the three sub-pixels on the line and adjacent to form a full-color display sub-unit 1 are in different rows from the three sub-pixels in the full-color display sub-unit 1, and the adjacent three sub-pixels constitute a black-and-white display sub-unit 2
  • the remaining two sub-pixels respectively constitute a black and white display sub-unit 2.
  • the three sub-pixels located in the first row, the second column, and the third column in FIG. 5 constitute the full color display subunit 1, and are located in the second row and located in the first column and the second row.
  • the other sub-pixels satisfy the other positions located in the "same row and adjacent" condition, and the three sub-pixels constituting the black-and-white sub-unit 2 can also be located in the eight sub-pixels and are located in the "three-phase with the full-color display sub-unit 1".
  • the pixels are in different rows, and the other positions of the adjacent "conditions" are not illustrated here.
  • the three sub-pixels in the full-color display sub-unit 1 are a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B, respectively, and the three sub-pixels constituting the black-and-white sub-unit 2 are respectively a yellow sub-pixel Y.
  • the magenta sub-pixel M and the cyan sub-pixel C, the yellow sub-pixel Y, the magenta sub-pixel M and the cyan sub-pixel C constitute a black and white display sub-unit 2; or, the three sub-pixels in the full-color display sub-unit 1 respectively
  • the three sub-pixels constituting the black-and-white sub-unit 2 are a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B, respectively, and a red sub-pixel R
  • the green sub-pixel G and the blue sub-pixel B constitute a black and white display sub-unit 2.
  • the first row is located in the first row, the second column, and the third column.
  • the three sub-pixels constitute the full-color display sub-unit 1, and the three sub-pixels constituting the full-color display sub-unit 1 are respectively described as a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B.
  • the three sub-pixels located in the second row and located in the first column, the second column, and the third column constitute the black and white display sub-unit 2
  • the three sub-pixels constituting the black-and-white display sub-unit 2 are respectively the yellow sub-pixel Y
  • the magenta sub-pixel M and the cyan sub-pixel C, the two sub-pixels located in the fourth column are white sub-pixels W.
  • the display unit shown in FIG. 5 When the display unit shown in FIG. 5 is in the first display mode, the display unit includes six color sub-pixels (red sub-pixel R, green sub-pixel G, blue sub-pixel B, yellow sub-pixel Y, and product).
  • the red sub-pixel M and the cyan sub-pixel C) therefore, the display unit can display a richer color than the display unit shown in FIGS. 2, 3 and 4.
  • the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B collectively display one color pixel, a yellow sub-pixel Y, a magenta sub-pixel M, and a cyan sub-pixel.
  • C displays a black and white pixel in common, and the remaining two white sub-pixels W each independently display a black and white pixel. It can be seen that the display unit can provide four pixel display information in the second display mode.
  • a first embodiment of the present invention provides a display unit including: a full color display subunit capable of displaying full color and at least one black and white display subunit capable of displaying black and white, when the display unit is in the first display mode
  • the full color display subunit and all the black and white display subunits in the display unit display one pixel together; when the display unit is in the second display mode, the full color display subunit in the display unit displays one color pixel, in the display unit
  • Each of the black and white display sub-units independently displays one black and white pixel.
  • the display unit on the boundary line between the color graphic and the black and white graphic may be displayed in the second display mode, thereby improving the pixel display information at the boundary line.
  • the amount, that is, the display resolution of the display panel is improved, and the user will feel the contour of the boundary line becomes more delicate.
  • a second embodiment of the present invention provides a display panel, wherein the display panel includes a plurality of display units, and the display unit uses the display unit provided in the first embodiment.
  • the display panel includes a plurality of display units, and the display unit uses the display unit provided in the first embodiment.
  • the second embodiment of the present invention further provides a driving method for a display panel, wherein the display panel adopts the above display panel, and each display unit in the display panel has a first display mode and a second display mode, and the display panel is driven.
  • Methods include:
  • Step 101 Driving a display unit located on a boundary line between the color graphic and the black and white graphic to display by using the second display mode;
  • Step 102 Driving the display unit not located on the boundary line between the color graphic and the black and white graphic to display in the first display mode.
  • a frame of a picture displayed by the display panel can be regarded as being composed of a plurality of color graphics and black and white graphics, and the outlines of the color graphics and the black and white graphics (ie, The delicateness of the boundary between color graphics and black and white graphics directly affects the delicateness of the entire screen.
  • the display panel receives the video stream information corresponding to the frame picture; then, the chip in the display panel performs digital image processing on the video stream information, thereby calculating a frame of the display panel to be displayed.
  • the technical solution of the embodiment can effectively improve the amount of pixel display information at the boundary between the color graphic and the black and white graphic in the display screen, that is, the display resolution of the display panel is improved, and the user feels at this time.
  • the outline of the line at the junction will be more The addition is delicate, so that the display screen of the display panel is fine.
  • a third embodiment of the present invention provides a display device.
  • the display device includes a display panel.
  • the display panel is the display panel provided in the second embodiment.

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  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种显示单元、显示面板及其驱动方法和显示装置，该显示单元包括：一个能够显示全彩色的全彩显示子单元（1）和至少一个能够显示黑白的黑白显示子单元（2），当该显示单元处于第一显示模式时，显示单元中的全彩显示子单元（1）和全部黑白显示子单元（2）共同显示一个像素；当该显示单元处于第二显示模式时，显示单元中的全彩显示子单元（1）显示一个彩色像素，显示单元中的各黑白显示子单元（2）分别独立的显示一个黑白像素。通过驱动处于彩色图形与黑白图形的交界线上的显示单元采用第二显示模式进行显示，从而可提升该交界线处的像素显示信息量，即显示面板的显示分辨率得到了提升，进而提升了显示面板的显示质量。

Description

显示单元、显示面板及其驱动方法和显示装置 技术领域
本发明涉及显示技术领域，特别涉及一种显示单元、显示面板及其驱动方法和显示装置。
背景技术
随着科学技术的发展，生活水平的提高，人们对于图像显示质量的要求也越来越高，高显示分辨率的显示装置成为市场的主流。
目前，生产厂商往往通过增加显示面板上的物理分辨率的方式以提升显示面板的显示分辨率，即通过增加显示面板上像素的个数，以提升显示面板的显示效果。具体地，通过减小显示面板上像素的尺寸，以使得显示面板上具备更多的像素。
然而，受到生产工艺的限制，显示面板上像素的尺寸缩小到一定程度后便无法继续减小，此时显示面板上的物理分辨率难以进一步提高，显示面板的显示分辨率提高也达到了瓶颈。因此，如何进一步的提升显示面板的显示分辨率是本领域急需解决的技术问题。
发明内容
本发明提供一种显示单元、显示面板及其驱动方法和显示装置，可在不改变显示面板的物理分辨率的情况下，有效提升显示面板的显示分辨率。
为实现上述目的，本发明提供了一种显示单元，包括：一个能够显示全彩色的全彩显示子单元和至少一个能够显示黑白的黑白显示子单元；
在第一显示模式时，所述显示单元中的所述全彩显示子单元和全部所述黑白显示子单元共同显示一个像素；
在第二显示模式时，所述显示单元中的所述全彩显示子单元显 示一个彩色像素，所述显示单元中的各所述黑白显示子单元分别独立的显示一个黑白像素。
可选地，所述显示单元包括：布置成一行、四列的共四个亚像素；
其中相邻的三个亚像素构成所述全彩显示子单元，余下的一个亚像素构成所述黑白显示子单元。
可选地，所述显示单元包括：布置成两行、两列的共四个亚像素；
其中相邻的三个亚像素构成所述全彩显示子单元，余下的一个亚像素构成所述黑白显示子单元。
可选地，所述显示单元包括：布置成两行、四列的共八个亚像素；
其中位于同一行上且相邻的三个亚像素构成所述全彩显示子单元，余下的五个亚像素分别独立构成一个黑白显示子单元。
可选地，构成全彩显示子单元的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素；
或者，构成全彩显示子单元的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素。
可选地，构成所述黑白显示子单元的亚像素为白色亚像素。
可选地，所述显示单元包括：布置成两行、四列的共八个亚像素；
其中位于同一行上且相邻的三个亚像素构成所述全彩显示子单元，与所述全彩显示子单元中三个亚像素处于不同行的、且相邻的三个亚像素构成一个所述黑白显示子单元，余下的两个亚像素分别独立构成一个所述黑白显示子单元。
可选地，所述全彩显示子单元中的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素；或者，
所述全彩显示子单元中的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素。
可选地，当所述全彩显示子单元中的三个亚像素分别为红色亚 像素、绿色亚像素和蓝色亚像素时，所述构成一个所述黑白显示子单元的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素；
当所述全彩显示子单元中的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素时，所述构成一个所述黑白显示子单元的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素。
可选地，所述分别独立构成一个所述黑白显示子单元的两个亚像素均为白色亚像素。
为实现上述目的，本发明还提供了一种显示面板，该显示面板包括若干个显示单元，该显示单元采用上述的显示单元。
为实现上述目的，本发明还提供了一种显示面板的驱动方法，所述显示面板采用上述的显示面板，所述显示面板的驱动方法包括：
驱动位于彩色图形与黑白图形交界线上的所述显示单元采用第二显示模式进行显示；以及同时
驱动不位于彩色图形与黑白图形交界线上的所述显示单元采用第一显示模式进行显示。
为实现上述目的，本发明还提供了一种显示装置，包括：显示面板，该显示面板采用上述的显示面板。
本发明具有以下有益效果：
本发明提供了一种显示单元、显示面板及其驱动方法和显示装置，该显示单元包括：一个能够显示全彩色的全彩显示子单元和至少一个能够显示黑白的黑白显示子单元，当该显示单元处于第一显示模式时，显示单元中的全彩显示子单元和全部黑白显示子单元共同显示一个像素；当该显示单元处于第二显示模式时，显示单元中的全彩显示子单元显示一个彩色像素，显示单元中的各黑白显示子单元分别独立的显示一个黑白像素。当显示面板所显示的图像中存在彩色图形和黑白图形时，可驱动处于彩色图形与黑白图形的交界线上的显示单元采用第二显示模式进行显示，从而可提升该交界线处的像素显示信息量，即显示面板的显示分辨率得到了提升，进而提升了显示面板的显示质量。
附图说明
图1为本发明实施例一提供的显示单元的结构框图；
图2为本发明实施例一中提供的第一种显示单元的具体结构示意图；
图3为本发明实施例一中提供的第二种显示单元的具体结构示意图；
图4为本发明实施例一中提供的第三种显示单元的具体结构示意图；
图5为本发明实施例一中提供的第四种显示单元的具体结构示意图。
具体实施方式
为使本领域的技术人员更好地理解本发明的技术方案，下面结合附图对本发明提供的显示单元、显示面板及其驱动方法和显示装置进行详细描述。
实施例一
图1为本发明实施例一提供的显示单元的结构框图，如图1所示，本发明实施例一提供了一种显示单元，该显示单元包括：一个能够显示全彩色的全彩显示子单元1和至少一个能够显示黑白的黑白显示子单元2(图1中仅示例性画出了一个黑白显示子单元2)，本发明提供的显示单元具有两种显示模式，即第一显示模式和第二显示模式，其中，在第一显示模式时，显示单元中的全彩显示子单元1和全部黑白显示子单元2共同显示一个像素；在第二显示模式时，显示单元中的全彩显示子单元1显示一个彩色像素，显示单元中的各黑白显示子单元2分别独立的显示一个黑白像素。
需要说明的是，在第一显示模式时，该显示单元的工作模式与现有技术中的相同，即一个显示单元只能显示一个像素，因此该显示单元只能为用户提供一个像素显示信息；然而，在第二显示模式时，该显示单元能够显示一个全彩像素和至少一个黑白像素，即一个显示 单元能够显示至少两个像素，因此该显示单元能够为用户提供至少两个像素显示信息。所以，当显示面板上存在部分显示单元处于第二显示模式时，对于用户而言，这些处于第二显示模式的显示单元所提供的像素显示信息量增多，因此显示面板上对应处于第二显示模式的显示单元位置的图像细腻度会提升，即有效提升显示面板的显示分辨率。
为便于本领域技术人员对本发明技术方案的理解，下面将结合实例来进行相应的说明。
图2为本发明实施例一中提供的第一种显示单元的具体结构示意图，如图2所示，该显示单元包括：布置成一行、四列的共四个亚像素，其中相邻的三个亚像素构成全彩显示子单元1，余下的一个亚像素构成黑白显示子单元2。
需要说明的是，在图2中构成全彩显示子单元1的三个亚像素分别为红色亚像素R、绿色亚像素G和蓝色亚像素B，然而这并不会对本申请的技术方案产生限制。在本申请中，凡是能够利用三个不同颜色的亚像素以进行全彩显示的任意组合，都应属于本申请的保护范围。例如，构成全彩显示子单元1中的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素。在图2中，构成黑白显示子单元2的一个亚像素为白色亚像素W。
当图2所示的显示单元处于第一显示模式时，红色亚像素R、绿色亚像素G、蓝色亚像素B和白色亚像素W共同显示一个彩色像素，此时白色亚像素W是用于配合红色亚像素R、绿色亚像素G和蓝色亚像素B进行像素显示(白色亚像素W的作用是对显示单元所显示的像素的亮度进行调整)；当图2所示的显示单元处于第二显示模式时，红色亚像素R、绿色亚像素G和蓝色亚像素B共同显示一个全彩像素，白色亚像素W独立显示一个白色像素或黑色像素(白色亚像素W的作用是独立显示一个黑白像素)。由此可见，图2所示的显示单元在第二显示模式下可提供两个像素显示信息。
当显示面板所显示的图像中存在彩色图形和黑白图形时，可使得处于彩色图形与黑白图形的交界线上的显示单元采用第二显示模 式进行显示，从而可提升该交界线的像素显示信息量，即显示面板的显示分辨率得到了提升，此时用户会感受到该交界线处图形轮廓会更加的细腻。
图3为本发明实施例一中提供的第二种显示单元的具体结构示意图，如图3所示，该显示单元包括：布置成两行、两列的共四个亚像素；其中相邻的三个亚像素构成全彩显示子单元1，余下的一个亚像素构成黑白显示子单元2。图3所示显示单元的两种显示模式可参见上述对图2所示显示单元的描述，此处不再赘述。
图4为本发明实施例一中提供的第三种显示单元的具体结构示意图，如图4所示，该显示单元与图2和图3所示的显示单元的区别在于，该显示单元的中包括八个亚像素，八个亚像素呈两行、四列排列。其中，位于同一行上且相邻的三个亚像素构成全彩显示子单元1，余下的五个亚像素分别独立构成一个黑白显示子单元2。
需要说明的是，图4中位于第一行且位于第一列、第二列和第三列的三个亚像素构成全彩显示子单元1的情况仅起到示例性作用，本领域技术人员应该知晓的是，构成全彩显示子单元1三个亚像素还可以位于这八个亚像素中满足位于“同一行且相邻”条件的其他位置，此处不再一一举例说明。
需要说明的是，在图4中构成全彩显示子单元1的三个亚像素分别为红色亚像素R、绿色亚像素G和蓝色亚像素B，然而这并不会对本申请的技术方案产生限制。在本申请中，凡是能够利用三个不同颜色的亚像素以进行全彩显示的任意组合，都应属于本申请的保护范围。例如，构成全彩显示子单元1中的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素。在图4中，余下的五个亚像素均是白色亚像素W，在第二显示模式下，每个白色亚像素W都独立构成一个黑白显示子单元2，这五个黑白显示子单元2均可以独立的显示黑白像素。由此可见，该显示单元在第二显示模式下可提供六个像素显示信息。
与上述图2和图3所示的显示单元相比，图4所示的显示单元在采用第二显示模式显示彩色图形与黑白图形的交界线时，该交界线 的细腻程度可得到进一步地提升。
此外，当图4所示显示单元采用第一显示模式进行显示时，由显示单元中的白色亚像素W数量较多，此时白色亚像素W是用于配合红色亚像素R、绿色亚像素G和蓝色亚像素B进行像素显示(白色亚像素W的作用是对显示单元所显示的像素的亮度进行调整)，从而可有效提升该显示单元的最大亮度，进而可有效提升显示面板的对比度。
图5为本发明实施例一中提供的第四种显示单元的具体结构示意图，如图5所示，该显示单元包括：布置成两行、四列的共八个亚像素，其中，位于同一行上且相邻的三个亚像素构成全彩显示子单元1，与全彩显示子单元1中三个亚像素处于不同行的，且相邻的三个亚像素构成一个黑白显示子单元2，余下的两个亚像素分别独立构成一个黑白显示子单元2。
需要说明的是，图5中位于第一行且位于第一列、第二列和第三列的三个亚像素构成全彩显示子单元1，位于第二行且位于第一列、第二列和第三列的三个亚像素构成黑白显示子单元2的情况仅起到示例性作用，本领域技术人员应该知晓的是，构成全彩显示子单元1三个亚像素还可以位于这八个亚像素中满足位于“同一行且相邻”条件的其他位置，构成黑白子单元2三个亚像素还可以位于这八个亚像素中满足位于“与全彩显示子单元1中三个亚像素处于不同行的，且相邻的”条件的其他位置，此处不再一一举例说明。
可选地，全彩显示子单元1中的三个亚像素分别为红色亚像素R、绿色亚像素G和蓝色亚像素B，构成黑白子单元2的三个亚像素分别为黄色亚像素Y、品红色亚像素M和青色亚像素C，黄色亚像素Y、品红色亚像素M和青色亚像素C构成一个黑白显示子单元2；或者，全彩显示子单元1中的三个亚像素分别为黄色亚像素Y、品红色亚像素M和青色亚像素C时，构成黑白子单元2的三个亚像素分别为红色亚像素R、绿色亚像素G和蓝色亚像素B，红色亚像素R、绿色亚像素G和蓝色亚像素B构成一个黑白显示子单元2。
本实施例中，以位于第一行且位于第一列、第二列和第三列的 三个亚像素构成全彩显示子单元1，且构成全彩显示子单元1的三个亚像素分别为红色亚像素R、绿色亚像素G和蓝色亚像素B为例进行描述。此时，位于第二行且位于第一列、第二列和第三列的三个亚像素构成黑白显示子单元2，且构成黑白显示子单元2的三个亚像素分别为黄色亚像素Y、品红色亚像素M和青色亚像素C，位于第四列的两个亚像素为白色亚像素W。
当图5所示的显示单元处于第一显示模式时，由于该显示单元中包含了6个彩色亚像素(红色亚像素R、绿色亚像素G、蓝色亚像素B、黄色亚像素Y、品红色亚像素M和青色亚像素C)，因此该显示单元能够显示出比图2、图3和图4所示显示单元更为丰富的彩色。
当图5所示的显示单元处于第二显示模式时，红色亚像素R、绿色亚像素G和蓝色亚像素B共同显示一个彩色像素，黄色亚像素Y、品红色亚像素M和青色亚像素C共同显示一个黑白像素，余下的两个白色亚像素W各自独立的显示一个黑白像素。由此可见，该显示单元在第二显示模式下可提供四个像素显示信息。
需要说明的是，上述图2至图5所示的显示单元的四种结构不会对本发明的技术方案产生限制，本领域技术人员应该知晓的是，本发明中的显示单元还可以采用其他结构，此处不再一一列举。
本发明实施例一提供了一种显示单元，该显示单元包括：一个能够显示全彩色的全彩显示子单元和至少一个能够显示黑白的黑白显示子单元，当该显示单元处于第一显示模式时，显示单元中的全彩显示子单元和全部黑白显示子单元共同显示一个像素；当该显示单元处于第二显示模式时，显示单元中的全彩显示子单元显示一个彩色像素，显示单元中的各黑白显示子单元分别独立的显示一个黑白像素。当显示面板所显示的图像中存在彩色图形和黑白图形时，可使得处于彩色图形与黑白图形的交界线上的显示单元采用第二显示模式进行显示，从而可提升该交界线处的像素显示信息量，即显示面板的显示分辨率得到了提升，此时用户会感受到该交界线处图形轮廓变得更加的细腻。
实施例二
本发明实施例二提供了一种显示面板，其中该显示面板包括若干个显示单元，该显示单元采用上述实施例一中提供的显示单元，具体内容可参见上述实施例一中的描述，此处不再赘述。
本发明实施例二还提供了一种显示面板的驱动方法，其中该显示面板采用上述的显示面板，显示面板中的各显示单元均具有第一显示模式和第二显示模式，该显示面板的驱动方法包括：
步骤101：驱动位于彩色图形与黑白图形交界线上的显示单元采用第二显示模式进行显示；
步骤102：驱动不位于彩色图形与黑白图形交界线上的显示单元采用第一显示模式进行显示。
需要说明的是，上述步骤101和步骤102是同时进行的。
为便于本领域的技术人员对本申请的技术方案进行理解，下面将对本实施例提供的显示面板显示一帧画面的过程为例，进行详细的描述。其中，本领域技术人员应该知晓的是，显示面板所显示的一帧画面(纯色画面除外)可看作是由若干个彩色图形和黑白图形拼接构成，而这些彩色图形和黑白图形的轮廓(即彩色图形与黑白图形的交界线)的细腻度，直接影响了整个画面的细腻度。
首先，该显示面板会接收到与该帧画面相对应的视频流信息；然后，显示面板中的芯片会对该视频流信息进行数字图像处理，从而可计算出显示面板即将显示的一帧画面中各彩色图形与黑白图形的交界线的位置；接着，该芯片会根据视频流信息并采用相应的算法以计算出位于彩色图形与黑白图形的交界线上的显示单元中各亚像素对应的数据信号，以及不位于交界线上的显示单元中各亚像素对应的数据信号；最后，显示面板中的驱动模块根据计算出的数据信号，驱动位于彩色图形与黑白图形交界线上的显示单元采用第二显示模式进行显示，同时驱动不位于彩色图形与黑白图形交界线上的显示单元采用第一显示模式进行显示。
由上述内容可见，本实施例的技术方案可有效的提升显示画面中彩色图形与黑白图形的交界线处的像素显示信息量，即显示面板的显示分辨率得到了提升，此时用户会感受到该交界线处图形轮廓会更 加的细腻，从而实现对显示面板的显示画面的细腻度。
实施例三
本发明实施例三提供了一种显示装置，该显示装置包括显示面板，该显示面板采用上述实施例二中提供的显示面板，具体内容可参见上述实施例二中的描述，此处不再进行赘述。
可以理解的是，以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式，然而本发明并不局限于此。对于本领域内的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (13)

  1. 一种显示单元，其特征在于，包括：一个能够显示全彩色的全彩显示子单元和至少一个能够显示黑白的黑白显示子单元；
    在第一显示模式时，所述显示单元中的所述全彩显示子单元和全部所述黑白显示子单元共同显示一个像素；
    在第二显示模式时，所述显示单元中的所述全彩显示子单元显示一个彩色像素，所述显示单元中的各所述黑白显示子单元分别独立的显示一个黑白像素。
  2. 根据权利要求1所述的显示单元，其特征在于，所述显示单元包括：布置成一行、四列的共四个亚像素；
    其中相邻的三个亚像素构成所述全彩显示子单元，余下的一个亚像素构成所述黑白显示子单元。
  3. 根据权利要求1所述的显示单元，其特征在于，所述显示单元包括：布置成两行、两列的共四个亚像素；
    其中相邻的三个亚像素构成所述全彩显示子单元，余下的一个亚像素构成所述黑白显示子单元。
  4. 根据权利要求1所述的显示单元，其特征在于，所述显示单元包括：布置成两行、四列的共八个亚像素；
    其中位于同一行上且相邻的三个亚像素构成所述全彩显示子单元，余下的五个亚像素分别独立构成一个黑白显示子单元。
  5. 根据权利要求2至4中任一所述的显示单元，其特征在于，构成全彩显示子单元的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素；
    或者，构成全彩显示子单元的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素。
  6. 根据权利要求2-4中任一所述的显示单元，其特征在于，构成所述黑白显示子单元的亚像素为白色亚像素。
  7. 根据权利要求1所述的显示单元，其特征在于，所述显示单元包括：布置成两行、四列的共八个亚像素；
    其中位于同一行上且相邻的三个亚像素构成所述全彩显示子单元，与所述全彩显示子单元中三个亚像素处于不同行的、且相邻的三个亚像素共同构成一个黑白显示子单元，余下的两个亚像素分别独立构成一个黑白显示子单元。
  8. 根据权利要求7所述的显示单元，其特征在于，所述全彩显示子单元中的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素；或者，
    所述全彩显示子单元中的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素。
  9. 根据权利要求8所述的显示单元，其特征在于，当所述全彩显示子单元中的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素时，所述共同构成一个黑白显示子单元的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素；
    当所述全彩显示子单元中的三个亚像素分别为黄色亚像素、品红色亚像素和青色亚像素时，所述共同构成一个黑白显示子单元的三个亚像素分别为红色亚像素、绿色亚像素和蓝色亚像素。
  10. 根据权利要求7-9中任一所述的显示单元，其特征在于，所述分别独立构成一个所述黑白显示子单元的两个亚像素均为白色亚像素。
  11. 一种显示面板，其特征在于，包括：若干个如上述权利要求 1-10中任一所述的显示单元。
  12. 一种显示面板的驱动方法，其特征在于，所述显示面板采用上述权利要求11所述的显示面板，所述显示面板的驱动方法包括：
    驱动位于彩色图形与黑白图形交界线上的所述显示单元采用第二显示模式进行显示；以及同时
    驱动不位于彩色图形与黑白图形交界线上的所述显示单元采用第一显示模式进行显示。
  13. 一种显示装置，其特征在于，包括：如上述权利要求11中的显示面板。
PCT/CN2016/070355 2015-08-14 2016-01-07 显示单元、显示面板及其驱动方法和显示装置 WO2017028483A1 (zh)

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