WO2020125416A1 - 显示面板和显示装置 - Google Patents

显示面板和显示装置 Download PDF

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Publication number
WO2020125416A1
WO2020125416A1 PCT/CN2019/122991 CN2019122991W WO2020125416A1 WO 2020125416 A1 WO2020125416 A1 WO 2020125416A1 CN 2019122991 W CN2019122991 W CN 2019122991W WO 2020125416 A1 WO2020125416 A1 WO 2020125416A1
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Prior art keywords
trunk
sub
horizontal
vertical
pixel electrode
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Ceased
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PCT/CN2019/122991
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English (en)
French (fr)
Inventor
黄世帅
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HKC Co Ltd
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HKC Co Ltd
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Application filed by HKC Co Ltd filed Critical HKC Co Ltd
Priority to US17/290,262 priority Critical patent/US11488553B2/en
Publication of WO2020125416A1 publication Critical patent/WO2020125416A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3648Control of matrices with row and column drivers using an active matrix
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134345Subdivided pixels, e.g. for grey scale or redundancy
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3607Control 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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and a display device.
  • LCD monitors are the most widely used monitors on the market, especially in LCD TVs.
  • the liquid crystal display panel has a data line (DL), a scan line (SL), a thin film transistor, and a pixel electrode.
  • DL data line
  • SL scan line
  • a thin film transistor thin film transistor
  • pixel electrode a pixel electrode.
  • the branches of the transparent electrodes in the four alignment areas are oriented in four directions, in a "meter" pattern. After the voltage is applied, the liquid crystal will fall down along the branches of the transparent electrodes.
  • a wide trunk is provided at the junction of the alignment regions.
  • the present application provides a display panel and a display device to improve color shift.
  • the present application provides a display panel including a first substrate, the first substrate includes a plurality of pixels, and each pixel includes a plurality of sub-pixels of different colors; each color sub-pixel includes a For a sub-pixel and a second sub-pixel, the aperture ratio of the first sub-pixel is smaller than the aperture ratio of the second sub-pixel.
  • the application also discloses a display panel, which includes a first substrate.
  • the first substrate includes a plurality of pixels, each of the pixels includes a plurality of sub-pixels of different colors, and the sub-pixels of each color include a first sub-pixel and a second sub-pixel, respectively.
  • the first sub-pixel includes a first sub-pixel electrode, the first sub-pixel electrode includes a first backbone that divides the first sub-pixel electrode into a plurality of alignment regions, and the alignment region of the first sub-pixel electrode, A plurality of first branches are evenly arranged; the second subpixel includes a second subpixel electrode, and the second subpixel electrode includes a second trunk that divides the second subpixel electrode into a plurality of alignment regions, the In the alignment area of the second sub-pixel electrode, a plurality of second branches are evenly arranged.
  • the first trunk includes a first horizontal trunk disposed in the middle of the first subpixel electrode in the vertical direction, and a first vertical trunk disposed in the middle of the first subpixel electrode in the horizontal direction, the first horizontal The main stem and the first vertical main stem divide the first sub-pixel electrode into four alignment regions.
  • a plurality of first branches are evenly arranged.
  • the second trunk includes a second horizontal trunk disposed in the middle in the vertical direction of the second subpixel electrode, and a second vertical trunk disposed in the middle in the horizontal direction of the second subpixel electrode, the second horizontal The main trunk and the second vertical main trunk divide the second sub-pixel electrode into four alignment regions.
  • a plurality of second branches are evenly arranged.
  • the width of the first horizontal trunk is greater than the width of the second horizontal trunk
  • the width of the first vertical trunk is greater than the width of the second vertical trunk
  • the horizontal projection area of the first trunk accounts for the first
  • the ratio of the total area of the sub-pixel electrodes is greater than the ratio of the horizontal projection area of the second trunk to the total area of the second sub-pixel electrodes.
  • the present application also discloses a display device including a display panel.
  • the display panel includes a first substrate.
  • the first substrate includes a plurality of pixels, and each pixel includes a plurality of sub-pixels of different colors.
  • the sub-pixels include a first sub-pixel and a second sub-pixel, respectively, and the aperture ratio of the first sub-pixel is smaller than the aperture ratio of the second sub-pixel.
  • each color sub-pixel includes a first sub-pixel and a second sub-pixel, the first sub-pixel is a sub-pixel, the second sub-pixel is a main pixel, and the aperture ratio of the first sub-pixel Less than the aperture ratio of the second sub-pixel, under the same driving voltage, the brightness of the first sub-pixel will be lower than the brightness of the second sub-pixel, with the appropriate first sub-pixel gamma voltage and second sub-pixel gamma Horse voltage driving can reduce or even eliminate the uneven brightness, thereby improving the color shift and improving the quality of the display panel under the large viewing angle of the product.
  • FIG. 1 is a schematic diagram of four alignment regions of a display panel according to an embodiment of the application.
  • FIG. 2 is a schematic diagram of a deflection of liquid crystal according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a first sub-pixel and a second sub-pixel of a display panel according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of a first sub-pixel electrode and a second sub-pixel electrode of a display panel according to an embodiment of the present application (1);
  • FIG. 5 is a schematic diagram of a first sub-pixel electrode and a second sub-pixel electrode of a display panel according to an embodiment of the present application (2);
  • FIG. 6 is a schematic diagram of a first sub-pixel electrode and a second sub-pixel electrode of a display panel according to an embodiment of the present application (3);
  • FIG. 7 is a schematic diagram of a block diagram of a display device according to an embodiment of the present application.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more.
  • the term “including” and any variations thereof are intended to cover non-exclusive inclusions.
  • the liquid crystal display panel has a data line (Date line, DL), a scan line SL (Scan line, SL), a thin film transistor, and a pixel electrode.
  • the pixels will be designed into multiple alignment regions.
  • the branches of the transparent electrodes in the four alignment areas are oriented in four directions, in a "meter" pattern. After the voltage is applied, the liquid crystal will fall down along the branches of the transparent electrodes. In order to prevent the liquid crystal falling down in two adjacent alignment regions from affecting each other and causing a reverse anomaly, a wide backbone will be provided at the junction of the alignment regions.
  • the liquid crystal on the trunk will fall parallel to the trunk, polarized light will only pass through the short axis of the liquid crystal, and the polarization state will not change, so it will not transmit light.
  • Above the Trunk is black opaque, which affects the transmittance of pixels.
  • an embodiment of the present application discloses a display panel 101 including a first substrate 110, the first substrate 110 includes a plurality of pixels 111, and each of the pixels 111 includes a plurality of different colors Of subpixels.
  • the sub-pixels of each color include a first sub-pixel 122 and a second sub-pixel 123, respectively, and the aperture ratio of the first sub-pixel 122 is smaller than the aperture ratio of the second sub-pixel 123.
  • the display panel 101 with a relatively large size especially the VA mode display panel 101, will illuminate on both sides when viewed in the middle, or the unevenness of the display panel 101 near the two sides will be uneven, resulting in a large Depending on the role of the phenomenon.
  • each color sub-pixel includes a first sub-pixel 122 and a second sub-pixel 123
  • the first sub-pixel 122 is a sub-pixel, wherein the sub-pixel is brighter in this solution
  • the The second sub-pixel 123 is a main pixel, where the main pixel is darker in this scheme, and the aperture ratio of the first sub-pixel 122 is smaller than the aperture ratio of the second sub-pixel 123, under the same driving voltage ( Of course, the driving voltage of the first sub-pixel 122 may also be lower than that of the second sub-pixel 123); when displaying an image, the brightness of the first sub-pixel 122 will be lower than that of the second sub-pixel 123.
  • Appropriate driving of the gamma voltage of the first sub-pixel 122 and the gamma voltage of the second sub-pixel 123 can improve the color shift phenomenon and improve the quality of the display panel 101 under a large viewing angle of the product.
  • Data(n) corresponds to the current data line
  • Data(n+1) corresponds to the next data line
  • Gate(n) corresponds to the current scan line
  • Gate(n+1) corresponds to the next line of scan line
  • Gate(n+2) Corresponds to the next scan line.
  • the first sub-pixel electrode 112 and the second sub-pixel electrode 113 can be connected to the same data line and the same scanning line, and of course, can also be connected to two data lines (receiving the same data signal) and the same Scanning lines; also the same data line and two scanning lines (receiving the same gate start signal); even two data lines (receiving the same data start signal) and two scanning lines (receiving the same gate start signal), Just apply.
  • This solution mainly changes the aperture ratio by implementing pixel electrode patterns with different aperture ratios corresponding to the first sub-pixel 122 and the second sub-pixel 123.
  • this solution is also applicable to other ways to make the aperture ratios of the first sub-pixel 122 and the second sub-pixel 123 different.
  • the first subpixel 122 includes a first subpixel electrode 112
  • the second subpixel 123 includes a second subpixel electrode 113
  • the aperture ratio of the first subpixel electrode 112 is smaller than the second The aperture ratio of the sub-pixel electrode 113.
  • the first sub-pixel electrode 112 includes a first main body 114 that divides the first sub-pixel electrode 112 into a plurality of alignment regions. In the alignment region of the first sub-pixel electrode 112, a plurality of first branches are evenly arranged 120.
  • the second sub-pixel electrode 113 includes a second trunk 115 that divides the second sub-pixel electrode 113 into a plurality of alignment regions. In the alignment region of the second sub-pixel electrode 113, a plurality of second Branch 121.
  • the proportion of the horizontal projection area of the first trunk 114 and the first branch 120 to the total area of the first sub-pixel electrode 112 is greater than the horizontal projection area of the second trunk 115 and the second branch 121 to the second sub-pixel electrode 113 The proportion of the total area.
  • the pattern of the first sub-pixel electrode 112 can be different from that of the second sub-pixel electrode 113 to achieve different aperture ratios; specifically, by setting different trunk widths and/or numbers, or by Different branch widths and/or numbers are set to change the aperture ratio of the pixel structure, and finally the aperture ratio of the first sub-pixel electrode 112 may be smaller than the aperture ratio of the second sub-pixel electrode 113.
  • the brightness of the first sub-pixel electrode 112 will be lower than that of the second sub-pixel electrode 113.
  • gamma voltage of the first sub-pixel electrode 112 and the second sub-pixel electrode 113 gamma voltage drive complete light and dark compensation, can reduce or even eliminate the effect of uneven light and dark, thereby improving the phenomenon of color shift.
  • the first stem 114 includes a first horizontal stem 116 disposed at the middle of the first sub-pixel electrode 112 in the vertical direction, and a horizontal stem disposed at the first sub-pixel electrode 112
  • the first vertical main body 117 in the middle of the direction, the first horizontal main body 116 and the first vertical main body 117 divide the first sub-pixel electrode 112 into four alignment regions.
  • the second trunk 115 includes a second horizontal trunk 118 disposed in the middle of the second subpixel electrode 113 in the vertical direction, and a second vertical trunk 119 disposed in the middle of the second subpixel electrode 113 in the horizontal direction,
  • the second horizontal trunk 118 and the second vertical trunk 119 divide the second sub-pixel electrode 113 into four alignment regions.
  • the width of the first horizontal trunk 116 is larger than that of the second horizontal trunk 118, and/or the width of the first vertical trunk 117 is larger than that of the second vertical trunk 119.
  • the arrangement, number and width of the first branches 120 are equivalent to the arrangement, number and width of the second branches 121.
  • This solution includes a solution in which only the width of the first horizontal trunk 116 is greater than the width of the second horizontal trunk 118, and a solution in which only the width of the first vertical trunk 117 is greater than the width of the second vertical trunk 119,
  • the width of the first horizontal trunk 116 may be larger than the width of the second horizontal trunk 118
  • the width of the first vertical trunk 117 may be larger than the width of the second vertical trunk 119.
  • the width of the first vertical trunk 117 and the second vertical trunk 119 are the same, the case where the width of the first horizontal trunk 116 is set larger than the width of the second horizontal trunk 118 is taken as an example, when the first horizontal When the length of the trunk 116 is equal to the length of the second horizontal trunk 118 or the difference is not large, since the width of the first horizontal trunk 116 is larger than the width of the second horizontal trunk 118, the area of the first horizontal trunk 116 is larger than that of the second horizontal trunk The area of 118 is the difference between the first horizontal trunk 116 and the second horizontal trunk 118, so that the aperture ratio of the first subpixel electrode 112 is smaller than the aperture ratio of the second subpixel electrode 113.
  • the light transmittance of the first sub-pixel electrode 112 is lower than that of the second sub-pixel electrode 113. Under the same driving voltage, the brightness of the first sub-pixel electrode 112 is higher than that of the second sub-pixel electrode 113. When the brightness is low, driving with the appropriate gamma voltage of the first sub-pixel electrode 112 and the gamma voltage of the second sub-pixel electrode 113 can reduce or even eliminate the influence of uneven brightness, thereby improving the color shift phenomenon.
  • the length of the first horizontal trunk 116 is equal to the horizontal width of the first sub-pixel electrode 112, and the length of the first vertical trunk 117 is the same as that of the first sub-pixel electrode 112
  • the width in the vertical direction is equivalent;
  • the length of the second horizontal trunk 118 is equal to the horizontal width of the second subpixel electrode 113, and the length of the second vertical trunk 119 is the same as that of the second subpixel electrode 113
  • the vertical width is equivalent.
  • the length of the first horizontal trunk 116 is equal to the length of the second horizontal trunk 118, and the length of the first vertical trunk 117 is equal to the length of the second vertical trunk 119; therefore, when the first horizontal trunk 116 is larger than the second horizontal
  • the width of the trunk 118 and/or the width of the first vertical trunk 117 is greater than the width of the second vertical trunk 119, then the total area of the first trunk 114 will be greater than the total area of the second trunk 115, so that the first The aperture ratio of the sub-pixel electrode 112 is smaller than the aperture ratio of the second sub-pixel electrode 113.
  • the brightness of the first sub-pixel electrode 112 will be lower than that of the second sub-pixel electrode 113, matching the appropriate gamma voltage of the first sub-pixel electrode 112 and the second sub-pixel electrode 113
  • the horse voltage driving can reduce or even eliminate the influence of uneven brightness, thereby improving the phenomenon of color shift and improving the quality of the display panel 101 under a large viewing angle of the product.
  • the length of the first horizontal trunk 116 is smaller than the horizontal width of the first sub-pixel electrode 112, and/or the length of the first vertical trunk 117 is smaller than the first sub-pixel electrode 112 in the vertical direction; the length of the second horizontal trunk 118 is equal to the horizontal width of the second sub-pixel electrode 113, and the length of the second vertical trunk 119 is the same as that of the second sub-pixel electrode 113
  • the vertical width is equivalent.
  • the length of the first horizontal trunk 116 is smaller than the horizontal width of the first subpixel electrode 112 as an example, the length of the first horizontal trunk 116 here is smaller than the horizontal width of the first subpixel electrode 112, but The length setting needs to be satisfied that the total area of the horizontal projection of the first trunk 114 occupies the proportion of the first sub-pixel electrode 112, which is greater than the total area of the horizontal projection of the second trunk 115 occupies the proportion of the second sub-pixel, so that the first sub The aperture ratio of the pixel electrode 112 is smaller than the aperture ratio of the second sub-pixel electrode 113.
  • the lengths of the first horizontal trunk 116 and the first vertical trunk 117 can be flexibly set to meet the different requirements of various panels. Even, the lengths of the second horizontal trunk 118 and the second vertical trunk 119 may be smaller than the horizontal width and vertical width of the second sub-pixel electrode 113, as long as the above solution is satisfied, so that the main trunk can be satisfied.
  • the difference in pixel brightness to improve color shift can also increase the light transmittance of pixels to a certain extent.
  • the length of the first horizontal trunk 116 may be smaller than the horizontal width of the first sub-pixel electrode 112. At this time, the first horizontal trunk 116 is provided with hollowed areas on both sides, and the hollowing may be performed by the first branch 120 filling.
  • the width of the first horizontal trunk 116 is equivalent to the second horizontal trunk 118
  • the width of the first vertical trunk 117 is equivalent to the second vertical trunk 119
  • the number of the first horizontal trunks 116 is greater than the number of the second horizontal trunks 118, and/or the number of the first vertical trunks 117 is greater than the number of the second vertical trunks 119.
  • the solution includes that only the number of the first horizontal trunk 116 is greater than the number of the second horizontal trunk 118, and also includes that only the number of the first vertical trunk 117 is greater than the number of the second vertical trunk 119
  • the number of first horizontal trunks 116 may be greater than the number of second horizontal trunks 118
  • the number of first vertical trunks 117 may be greater than the number of second vertical trunks 119.
  • the length and width of the horizontal trunk 116 are equal to those of the second horizontal trunk 118, increase the number of the first horizontal trunk 116 or the first vertical trunk 117 so that the first horizontal trunk 116 occupies the first sub-pixel electrode
  • the area of 112 is larger than the area of the second horizontal trunk 118 occupying the second sub-pixel electrode 113, so that the aperture ratio of the first sub-pixel electrode 112 is smaller than that of the second sub-pixel electrode 113.
  • the brightness of the first sub-pixel electrode 112 will be lower than that of the second sub-pixel electrode 113, matching the appropriate gamma voltage of the first sub-pixel electrode 112 and the gamma of the second sub-pixel electrode 113 Voltage drive can reduce or even eliminate the influence of uneven brightness, thereby improving the phenomenon of color shift.
  • the width of the first horizontal trunk 116 is larger than the width of the second horizontal trunk 118, and/or the width of the first vertical trunk 117 is larger than the width of the second vertical trunk 119
  • the number of the first horizontal trunk 116 is greater than the number of the second horizontal trunk 118, and/or the number of the first vertical trunk 117 is greater than the number of the second vertical trunk 119.
  • the first subpixel electrode 112 and the second subpixel electrode can be realized to a certain extent
  • the voltage and the gamma voltage of the second sub-pixel electrode 113 are driven to reduce or even eliminate the influence of uneven brightness, thereby improving the color shift phenomenon.
  • this solution is set at the same time so that the number and width of the trunks of the first sub-pixel electrode 112 and the second sub-pixel electrode 113 are different.
  • the width difference between the first trunk 114 and the second trunk 115 may not be set too large, and the difference in the number of the first trunk 114 and the second trunk 115 may not be set too large.
  • the width of the first horizontal trunk 116 is 1.1 to 1.3 times the width of the second horizontal trunk 118.
  • the number of branches in the first subpixel electrode 112 is greater than the number of branches in the second subpixel electrode 113, or the number of branches in the first subpixel electrode 112
  • the width is smaller than the width of the branches in the second sub-pixel electrode 113.
  • the branches are arranged obliquely with respect to the horizontally arranged trunk structure; the number becomes larger, the branches become thinner, and the penetration rate decreases; when the branches are widened, the branches become thinner and the penetration rate is enhanced .
  • this solution includes a solution in which the number of branches in the first subpixel electrode 112 is greater than the number of branches in the second subpixel electrode 113, or the width of the branches in the first subpixel electrode 112 is less than The width of the branches in the second sub-pixel electrode 113.
  • the number of branches in the first sub-pixel electrode 112 of the first sub-pixel electrode 112 is greater than that of the first
  • the scheme of the number of branches in the two sub-pixel electrodes 113 is an example: as the number of branches of the first sub-pixel electrode 112 becomes larger, and within a certain area, the number of branches becomes larger, and the branches account for The volume is small, the branches become thinner, and the penetration rate is reduced; on the contrary, because the number of branches of the second sub-pixel electrode 113 is less, within a certain area, the number of branches becomes larger, and the branches account for The volume becomes larger, the branches become thicker, and the transmittance increases, so that the transmittance of the first subpixel electrode 112 is smaller than the transmittance of the second subpixel electrode 113.
  • the brightness of the first sub-pixel electrode 112 will be lower than that of the second sub-pixel electrode 113, matching the appropriate gamma voltage of the first sub-pixel electrode 112 and the second sub-pixel electrode
  • the 113 gamma voltage drive can reduce or even eliminate the influence of uneven brightness, thereby improving the phenomenon of color shift and improving the quality of the display panel 101 under a large viewing angle of the product.
  • the present application may also be provided when the number and width of the trunks of the first subpixel electrode 112 and the second subpixel electrode 113 are equal, and the width of the branch in the first subpixel electrode 112 is smaller than that of the second The width of the branch in the sub-pixel electrode 113.
  • the width of the branch since the width of the branch is widened within a certain area, the branch becomes sparse and the penetration rate increases; since the width of the branch in the first sub-pixel electrode 112 is smaller than the first The width of the branches in the two sub-pixel electrodes 113, so that the transmittance of the first sub-pixel electrode 112 is smaller than the transmittance of the second sub-pixel electrode 113.
  • the brightness of the first sub-pixel electrode 112 will be lower than that of the second sub-pixel electrode 113.
  • the 113 gamma voltage drive can reduce or even eliminate the problem of uneven brightness, thereby improving the problem of color shift and improving the quality of the display panel 101 in the case of a large viewing angle of the product.
  • the first sub-pixel electrode 112 and the second sub-pixel electrode 113 are driven by the same data line and the same scanning line; the first sub-pixel electrode 112 is connected to The pull-down circuit 124 of the voltage of the sub-pixel electrode 112.
  • the difference in the aperture ratio of the first sub-pixel electrode 112 and the second sub-pixel electrode 113 can be achieved to a certain extent.
  • the The first sub-pixel electrode 112 and the second sub-pixel electrode 113 can realize the difference in brightness between light and dark, and cooperate with the appropriate gamma voltage of the first sub-pixel electrode 112 and the second sub-pixel electrode 113 to achieve improved color shift
  • a discharge capacitor is added to lower the driving voltage of the first sub-pixel electrode 112, so that the difference in brightness between the first sub-pixel electrode 112 and the second sub-pixel electrode 113 will be more obvious
  • the number and width of the trunk and branches can achieve the required brightness difference with a lower degree of change; on the contrary, due to the first sub-pixel electrode 112 and the second sub-pixel electrode 113 There is a difference in aperture ratio itself. Therefore, in order to achieve the required brightness difference, only a smaller capacitor can be added to
  • the discharge capacitor may be formed between the first subpixel electrode 112 and the common electrode, or may be formed between the first subpixel electrode 112 and the gate line, which is applicable; even if two or more are provided Yes.
  • the pull-down circuit 124 may include a discharge capacitor, which may be formed between the first subpixel electrode 112 and the common electrode of the array substrate, and may be formed between the first subpixel electrode 112 and a certain gate line (generally Is the gate line of the next row); the pull-down circuit 124 may include a discharge capacitor and a discharge switch, the control terminal of the discharge switch is connected to the gate line of the next row, the source terminal is connected to the first sub-pixel electrode 112, and the drain terminal is connected to the A common electrode of the array substrate or a gate line; the pull-down circuit 124 may further include a pull-down resistor, one end of the pull-down resistor is connected to the first sub-pixel electrode 112, and the other end may be connected to the next row of gate lines, etc.;
  • first sub-pixel electrode 112 and the second sub-pixel electrode 113 are made of different materials.
  • the primary thin-film crystal switch and the secondary thin-film crystal switch with different channel width-to-length ratios may be provided corresponding to the first sub-pixel electrode 112 and the second sub-pixel electrode 113 (the primary thin-film crystal switch and the secondary thin-film crystal switch Connect to scan line and data line).
  • the width of the first horizontal trunk 116 is larger than the width of the second horizontal trunk 118, and/or the width of the first vertical trunk 117 is larger than the width of the second vertical trunk 119 ;
  • the number of the first horizontal trunk 116 is greater than the number of the second horizontal trunk 118, and/or the number of the first vertical trunk 117 is greater than the number of the second vertical trunk 119;
  • the first The number of first branches 120 in the sub-pixel electrode 112 is greater than the number of second branches 121 in the second sub-pixel electrode 113, or the width of the first branches 120 in the first sub-pixel electrode 112 It is smaller than the width of the second branch 121 in the second sub-pixel electrode 113.
  • the width of the first sub-pixel electrode 112 and the second sub-pixel electrode 113 can be achieved to a certain extent, so that under the same driving voltage, the first sub-pixel electrode 112 and the second sub-pixel electrode 113 can realize the difference in brightness between light and dark, and cooperate with the appropriate gamma voltage of the first sub-pixel electrode 112 and the gamma voltage of the second sub-pixel electrode 113 to improve the color shift.
  • a display panel 101 including a first substrate 110.
  • the first substrate 110 includes a plurality of pixels 111, and each of the pixels 111 includes a plurality of sub-pixels of different colors.
  • the sub-pixels of each color respectively include a first sub-pixel 122 and a second sub-pixel 123;
  • the first sub-pixel 122 includes a first sub-pixel electrode 112, and the second sub-pixel 123 includes a second sub-pixel electrode 113;
  • the first trunk 114 includes a first horizontal trunk 116 disposed in the middle of the first subpixel electrode 112 in the vertical direction, and a first vertical trunk disposed in the middle of the first subpixel electrode 112 in the horizontal direction 117, the first horizontal trunk 116 and the first vertical trunk 117 divide the first sub-pixel electrode 112 into four alignment regions;
  • the alignment region of the first sub-pixel electrode 112 is uniformly provided with a plurality of The first branch 120;
  • the first sub-pixel electrode 112 and the second sub-pixel electrode 113 are driven by
  • a plurality of second branches 121 are evenly arranged; the width of the first horizontal trunk 116 is greater than that of the first The width of the second horizontal trunk 118; the width of the first vertical trunk 117 is greater than the width of the second vertical trunk 119.
  • the ratio of the horizontal projection area of the first trunk 114 to the total area of the first subpixel electrode 112 is greater than the ratio of the horizontal projection area of the second trunk 115 to the total area of the second subpixel electrode 113.
  • each color sub-pixel includes a first sub-pixel 122 and a second sub-pixel 123, the first sub-pixel 122 is a sub-pixel, the second sub-pixel 123 is a main pixel, and the first sub-pixel
  • the aperture ratio of the pixel 122 is smaller than the aperture ratio of the second sub-pixel 123, and under the same driving voltage (of course, the driving voltage of the first sub-pixel 122 may also be smaller than the driving voltage of the second sub-pixel 123), The brightness of the first sub-pixel 122 will be lower than that of the second sub-pixel.
  • the phenomenon of uneven brightness and darkness can be reduced or even eliminated In order to improve the color shift and enhance the quality of the display panel 101 under a large viewing angle of the product.
  • a display device 100 including the display panel 101 described above.
  • a brighter pixel is used as a sub-pixel
  • a darker pixel is used as a main pixel
  • a brighter pixel is used as a main pixel
  • a darker pixel is used as a sub-pixel
  • the panel of this application may be a TN panel (full name Twisted Nematic, namely twisted nematic panel), IPS panel (In-Plane Switching), VA panel (Multi-domain Vertical Alignment, multi-quadrant vertical alignment technology), Of course, it can also be other types of panels, just apply.
  • TN panel full name Twisted Nematic, namely twisted nematic panel
  • IPS panel In-Plane Switching
  • VA panel Multi-domain Vertical Alignment, multi-quadrant vertical alignment technology

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Abstract

本申请公开了一种显示面板和显示装置。显示面板(101)包括第一基板(110),所述第一基板(110)包括多个像素(111);每个所述像素(111)包括多个不同颜色的子像素;每个颜色的子像素分别包括第一子像素(122)和第二子像素(123);所述第一子像素(122)的开口率小于第二子像素(123)的开口率。

Description

显示面板和显示装置
本申请要求于2018年12月17日提交中国专利局,申请号为CN201811540884.4,申请名称为“一种显示面板和显示装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域,尤其涉及一种显示面板和显示装置。
背景技术
这里的陈述仅提供与本申请有关的背景信息,而不必然地构成现有技术。
随着科技的发展和进步,液晶显示器是市场上运用最为广泛的显示器,特别是广泛应用在液晶电视上。
液晶显示面板具有数据线(Data Line,DL)、扫描线(Scan line,SL)、薄膜晶体管以及像素电极。为改善大视角色偏,会将像素设计成多个配向区域(domain)。四个配向区域的透明电极枝干朝着4个方向,为一“米”字型的图案,施加电压后液晶会沿着透明电极枝干方向倒下。而为了防止两个相邻配向区域液晶倒下时相互影响出现倒向异常,会在配向区域的交界处设置宽的主干(trunk)。当液晶分子排列定向后,在不同角度观看时,大视角的时候会有色偏产生。
发明内容
本申请提供一种显示面板和显示装置,以改善色偏。
为实现上述目的,本申请提供了一种显示面板,包括第一基板,所述第一基板包括多个像素,每个像素包括多个不同颜色的子像素;每个颜色的子像素分别包括第一子像素和第二子像素,所述第一子像素的开口率小于第二子像素的开口率。
本申请还公开了一种显示面板,包括第一基板。所述第一基板包括多个像素,每个所述像素包括多个不同颜色的子像素,每个颜色的所述子像素分别包括第一子像素和第二子像素。所述第一子像素包括第一子像素电极,所述第一子像素电极包括将第一子像素电极划分为多个配向区域的第一主干,所述第一子像素电极的配向区域内,均匀设置有多条第一枝干;所述第二子像素包括第二子像素电极,所述第二子像素电极包括将第二子像素电极划分为多个配向区域的第二主干,所述第二子像素电极的配向区域内,均匀设置有多条第二枝干。所述第一主干包括设置在所述第一子像素电极竖直方向中部的第一水平主干,以及设置在所述 第一子像素电极水平方向中部的第一竖直主干,所述第一水平主干和第一竖直主干将所述第一子像素电极划分为四个配向区域,所述第一子像素电极的配向区域内,均匀设置有多条第一枝干。所述第二主干包括设置在所述第二子像素电极竖直方向中部的第二水平主干,以及设置在所述第二子像素电极水平方向中部的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域,所述第二子像素电极的配向区域内,均匀设置有多条第二枝干。所述第一水平主干的宽度大于所述第二水平主干的宽度,所述第一竖直主干的宽度大于所述第二竖直主干的宽度,所述第一主干的水平投影面积占第一子像素电极总面积的比例大于所述第二主干的水平投影面积占第二子像素电极总面积的比例。
本申请还公开了一种显示装置,包括显示面板,所述显示面板包括第一基板,所述第一基板包括多个像素,每个像素包括多个不同颜色的子像素,每个颜色的所述子像素分别包括第一子像素和第二子像素,所述第一子像素的开口率小于所述第二子像素的开口率。
尺寸比较大的显示面板,特别是垂直配向(Vertical Alignment,VA)模式的显示面板,在中间看的时候两边会发亮,或者说显示面板的靠近两侧边处亮暗不均匀,从而产生大视角色偏的现象。本方案中,每个颜色的子像素分别包括第一子像素和第二子像素,所述第一子像素为次像素,所述第二子像素为主像素,且第一子像素的开口率小于第二子像素的开口率,在相同的驱动电压的情况下,第一子像素的亮度会比第二子像素的亮度低,配合合适的第一子像素伽马电压和第二子像素伽马电压驱动,便能够减轻甚至消除亮暗不均匀的现象,从而改善色偏,提升产品大视角情况下显示面板的品质。
附图说明
所包括的附图用来提供对本申请实施例的进一步的理解,其构成了说明书的一部分,用于例示本申请的实施方式,并与文字描述一起来阐释本申请的原理。显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。在附图中:
图1是本申请的一实施例的一种显示面板的四个配向区域的示意图;
图2是本申请实施例一种液晶的偏转的示意图;
图3是本申请实施例一种显示面板第一子像素和第二子像素的示意图;
图4是本申请实施例一种显示面板第一子像素电极和第二子像素电极的示意图(1);
图5是本申请实施例一种显示面板第一子像素电极和第二子像素电极的示意图(2);
图6是本申请实施例一种显示面板第一子像素电极和第二子像素电极的示意图(3);
图7是本申请实施例一种显示装置框图的示意图。
具体实施方式
这里所公开的具体结构和功能细节仅仅是代表性的,并且是用于描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现,并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中,需要理解的是,术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中,除非另有说明,“多个”的含义是两个或两个以上。另外,术语“包括”及其任何变形,意图在于覆盖不排他的包含。
在本申请的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指,否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是,这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在,而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
参考图1和图2,液晶显示面板具有数据线(Date line,DL)、扫描线SL(Scan line,SL)、薄膜晶体管以及像素电极。为改善大视角色偏,会将像素设计成多个配向区域。四个配向区域的透明电极枝干朝着4个方向,为一“米”字型的图案,施加电压后液晶会沿着透明电极枝干方向倒下。而为了防止两个相邻配向区域液晶倒下时相互影响出现倒向异常,会在配向区域交界处设置宽的主干。主干上的液晶会平行于主干倒下,偏振光只会穿过液晶的短轴,偏振状态不会改变,故不会透光。Trunk上方就是黑的不透光,从而影响了像素的穿透率。
下面参考附图和可选的实施例对本申请作进一步说明。
参考图3至图7所示,本申请实施例公开了一种显示面板101,包括第一基板110,所述第一基板110包括多个像素111,每个所述像素111包括多个不同颜色的子像素。每个颜 色的所述子像素分别包括第一子像素122和第二子像素123,所述第一子像素122的开口率小于所述第二子像素123的开口率。
本方案中,尺寸比较大的显示面板101,特别是VA模式的显示面板101,在中间看的时候两边会发亮,或者说显示面板101的靠近两侧边处亮暗不均匀,从而产生大视角色偏的现象。本方案中,每个颜色的子像素分别包括第一子像素122和第二子像素123,所述第一子像素122为次像素,其中次像素在本方案中是亮度较亮的,所述第二子像素123为主像素,其中主像素在本方案中是亮度较暗的,且第一子像素122的开口率小于第二子像素123的开口率,在相同的驱动电压的情况下(当然,该第一子像素122的驱动电压也可以比第二子像素123的驱动电压小);在显示画面时,该第一子像素122的亮度会比第二子像素123的亮度低,配合合适的第一子像素122伽马电压和第二子像素123伽马电压驱动,可以改善色偏的现象,提升产品大视角情况下显示面板101的品质。
其中,Data(n)对应当前数据线,Data(n+1)对应下一数据线,Gate(n)对应当前扫描线,Gate(n+1)对应下一行扫描线,Gate(n+2)对应下下行扫描线。
其中,该第一子像素电极112和第二子像素电极113可以连接于同一条数据线和同一条扫描线,当然,也可以设置连接于两条数据线(接收相同的数据信号)和同一条扫描线;还可以同一条数据线和两条扫描线(接收相同的栅启动信号);甚至可以两条数据线(接收相同的数据信号)和两条扫描线(接收相同的栅启动信号),适用即可。
本方案改变开口率的主要是对应第一子像素122和第二子像素123设置不同开口率的像素电极图案来实现。当然,本方案也适用于其他使得该第一子像素122和第二子像素123开口率不同的方式。
在一实施例中,所述第一子像素122包括第一子像素电极112,所述第二子像素123包括第二子像素电极113,所述第一子像素电极112的开口率小于第二子像素电极113的开口率。所述第一子像素电极112包括将第一子像素电极112划分为多个配向区域的第一主干114,所述第一子像素电极112的配向区域内,均匀设置有多条第一枝干120,所述第二子像素电极113包括将第二子像素电极113划分为多个配向区域的第二主干115,所述第二子像素电极113的配向区域内,均匀设置有多条第二枝干121。所述第一主干114和第一枝干120的水平投影面积占第一子像素电极112总面积的比例大于所述第二主干115和第二枝干121的水平投影面积占第二子像素电极113总面积的比例。
本方案中,可以通过设置使得第一子像素电极112,跟第二子像素电极113的图案不同,以达到不同的开口率;具体的,可以通过设置不同的主干宽度和/或数量,或者通过设置不同的枝干宽度和/或数量,从而改变像素结构的开口率,最终使得第一子像素电极112的开口率小于第二子像素电极113的开口率即可。如此设置,在相同的驱动电压的情况下,第一 子像素电极112的亮度会比第二子像素电极113的亮度低,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,完成亮暗补偿,便能够减轻甚至消除亮暗不均匀的影响,从而改善色偏的现象。
在一实施例中,参考图4,所述第一主干114包括设置在所述第一子像素电极112竖直方向中部的第一水平主干116,以及设置在所述第一子像素电极112水平方向中部的第一竖直主干117,所述第一水平主干116和第一竖直主干117将所述第一子像素电极112划分为四个配向区域。所述第二主干115包括设置在所述第二子像素电极113竖直方向中部的第二水平主干118,以及设置在所述第二子像素电极113水平方向中部的第二竖直主干119,所述第二水平主干118和第二竖直主干119将所述第二子像素电极113划分为四个配向区域。所述第一水平主干116的宽度大于所述第二水平主干118,和/或所述第一竖直主干117的宽度大于所述第二竖直主干119。
该第一枝干120的排列方式、数量和宽度与第二枝干121的排列方式、数量和宽度相当。
本方案中,包括仅第一水平主干116的宽度大于所述第二水平主干118的宽度的方案,还包括仅第一竖直主干117的宽度大于所述第二竖直主干119的宽度方案,另外还可以包括该第一水平主干116的宽度大于所述第二水平主干118的宽度,同时,该第一竖直主干117的宽度大于所述第二竖直主干119的宽度方案。
其中,以在第一竖直主干117和第二竖直主干119的宽度相同的情况下,设置第一水平主干116的宽度大于第二水平主干118的宽度的情况为例,当该第一水平主干116长度与第二水平主干118长度相当或者差异不大时,由于该第一水平主干116的宽度大于第二水平主干118的宽度,因而,该第一水平主干116的面积大于第二水平主干118的面积,则第一水平主干116和第二水平主干118的区别设置,使得第一子像素电极112的开口率小于第二子像素电极113的开口率。第一子像素电极112的光穿透率比第二子像素电极113的光穿透率低,在相同的驱动电压情况下,第一子像素电极112的亮度会比第二子像素电极113的亮度低,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的影响,从而改善色偏的现象。
在一实施例中,所述第一水平主干116的长度与所述第一子像素电极112的水平方向宽度相当,所述第一竖直主干117的长度与所述第一子像素电极112的竖直方向宽度相当;所述第二水平主干118的长度与所述第二子像素电极113的水平方向宽度相当,所述第二竖直主干119的长度与所述第二子像素电极113的竖直方向宽度相当。
本方案中,第一水平主干116的长度等于第二水平主干118的长度,第一竖直主干117的长度等于第二竖直主干119的长度;因而,当第一水平主干116大于第二水平主干118的宽度,和/或第一竖直主干117的宽度大于第二竖直主干119的宽度时,则该第一主干114 的总面积将大于第二主干115的总面积,从而使得第一子像素电极112的开口率小于第二子像素电极113的开口率。在相同的驱动电压的情况下,该第一子像素电极112的亮度会比第二子像素电极113的亮度低,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的影响,从而改善色偏的现象,提升产品大视角情况下显示面板101的品质。
在一实施例中,所述第一水平主干116的长度小于所述第一子像素电极112的水平方向宽度,和/或所述第一竖直主干117的长度小于所述第一子像素电极112的竖直方向宽度;所述第二水平主干118的长度与所述第二子像素电极113的水平宽度相当,所述第二竖直主干119的长度与所述第二子像素电极113的竖直宽度相当。
本方案中,包括仅第一水平主干116的长度小于所述第一子像素电极112的水平方向宽度的方案;还包括仅所述第一竖直主干117的长度小于所述第一子像素电极112的竖直方向宽度的方案;另外还可以包括第一水平主干116的长度小于所述第一子像素电极112的水平方向宽度,同时,第一竖直主干117的长度小于所述第一子像素电极112的竖直方向宽度的方案。以第一水平主干116的长度小于所述第一子像素电极112的水平方向宽度的情况为例,这里的第一水平主干116的长度小于所述第一子像素电极112的水平方向宽度,但长度的设置,需要满足,该第一主干114的水平投影总面积占据第一子像素电极112的比例,大于第二主干115的水平投影总面积占据第二子像素的比例,以使得第一子像素电极112的开口率小于第二子像素电极113的开口率。
在此基础上,该第一水平主干116和第一竖直主干117的长度可以灵活设置,以适应各种不同面板的不同需求。甚至,该第二水平主干118和第二竖直主干119的长度,也可以比第二子像素电极113的水平宽度和竖直宽度小,只要满足上述方案即可,如此,可以在满足主主像素亮度差异以改善色偏的同时,可以在一定程度上,提高像素的光穿透率。
其中,该第一水平主干116的长度可以小于第一子像素电极112的水平宽度,此时,该第一水平主干116的两侧设置有镂空区域,该镂空可以选择用第一枝干120进行填充。
在一实施例中,在所述第一水平主干116的宽度与所述第二水平主干118相当,所述第一竖直主干117的宽度与所述第二竖直主干119相当的情况下,所述第一水平主干116的数量大于所述第二水平主干118的数量,和/或第一竖直主干117的数量大于所述第二竖直主干119的数量。
本方案中,包括仅所述第一水平主干116的数量大于所述第二水平主干118的数量的方案,还包括仅第一竖直主干117的数量大于所述第二竖直主干119的数量的方案,另外还可以包括第一水平主干116的数量大于所述第二水平主干118的数量,同时,第一竖直主干117的数量大于所述第二竖直主干119的数量的方案。
其中,以第一水平主干116的数量大于所述第二水平主干118的数量的情况为例,以第一竖直主干117的面积与第二竖直主干119的面积相当为前提,在第一水平主干116的长度和宽度和第二水平主干118的长度和宽度相当的情况下,增加第一水平主干116或第一竖直主干117的数量,使得第一水平主干116占第一子像素电极112的面积大于第二水平主干118占第二子像素电极113的面积,从而第一子像素电极112的开口率小于第二子像素电极113。在相同的驱动电压的情况下,第一子像素电极112的亮度会比第二子像素电极113的亮度低,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的影响,从而改善色偏的现象。
在一实施例中,所述第一水平主干116的宽度大于所述第二水平主干118的宽度,和/或所述第一竖直主干117的宽度大于所述第二竖直主干119的宽度;所述第一水平主干116的数量大于所述第二水平主干118的数量,和/或第一竖直主干117的数量大于所述第二竖直主干119的数量。
通过设置第一水平主干116、第一竖直主干117、第二水平主干118、第二竖直主干119的数量和宽度,可以在一定程度上实现第一子像素电极112和第二子像素电极113的开口率差异,如此,在相同的驱动电压情况下,该第一子像素电极112和第二子像素电极113可以实现亮度上的亮暗差异,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的影响,从而改善色偏的现象。
在此基础上,本方案同时设置使得第一子像素电极112和第二子像素电极113的主干的数量和宽度不同,如此,相对于只设置数量不同或者只设置宽度不同的方案,在相同的目标亮度差异追求情况下,第一主干114和第二主干115的宽度差异可以不设置太大,第一主干114和第二主干115的数量差异也可以不设置太大。基于本方案的像素电极结构设置,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的现象,从而改善色偏。
其中,第一水平主干116的宽度是第二水平主干118的宽度的1.1至1.3倍。
在一实施例中,所述第一子像素电极112内的枝干的数量大于所述第二子像素电极113内的枝干的数量,或所述第一子像素电极112内的枝干的宽度小于所述第二子像素电极113内的枝干的宽度。
本方案中,首先,相对于水平设置的主干结构,枝干是倾斜设置的;数量变多,枝干变细,穿透率降低;枝干加宽,则枝干变疏,穿透率增强。
因而,本方案包括第一子像素电极112内的枝干的数量大于所述第二子像素电极113内的枝干的数量的方案,或,第一子像素电极112内的枝干的宽度小于所述第二子像素电极113内的枝干的宽度的方案。
具体的,以第一子像素电极112和第二子像素电极113的主干数量和宽度相当的情况下,第一子像素电极112所述第一子像素电极112内的枝干数量大于所述第二子像素电极113内的枝干的数量的方案为例:由于第一子像素电极112的枝干数量变多,而在一定的区域面积内,枝干的数量变多,而枝干占的体积小,枝干变细,从而穿透率降低;相对的,由于第二子像素电极113的枝干数量较少,在一定的区域面积内,枝干的数量变多,而枝干占的体积变大,枝干变粗,从而穿透率增大,从而第一子像素电极112的穿透率小于第二子像素电极113的穿透率。
如此,在相同的驱动电压的情况下,该第一子像素电极112的亮度会比第二子像素电极113的亮度低,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的影响,从而改善色偏的现象,提升产品大视角情况下显示面板101的品质。
另外,本申请还可以设置在第一子像素电极112和第二子像素电极113的主干数量和宽度相当的情况下,所述第一子像素电极112内的枝干的宽度小于所述第二子像素电极113内的枝干的宽度。该设计架构中,由于在一定的区域面积内,枝干的宽度加宽,则枝干变疏,从而穿透率增大;由于第一子像素电极112内的枝干的宽度小于所述第二子像素电极113内的枝干的宽度,从而第一子像素电极112的穿透率小于第二子像素电极113的穿透率。
因而,在相同的驱动电压的情况下,该第一子像素电极112的亮度会比第二子像素电极113的亮度低,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,便能够减轻甚至消除亮暗不均匀的问题,从而改善色偏的问题,提升产品大视角情况下显示面板101的品质。
在一实施例中,所述第一子像素电极112和第二子像素电极113由同一条数据线和同一条扫描线驱动;所述第一子像素电极112连接于用于降低所述第一子像素电极112的电压的下拉电路124。
本方案中,通过设置主干、枝干的数量和宽度,可以在一定程度上实现第一子像素电极112和第二子像素电极113的开口率差异,如此,在相同的驱动电压情况下,该第一子像素电极112和第二子像素电极113可以实现亮度上的亮暗差异,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,达到改善色偏;在此基础上,本方案,加入一放电电容,以拉低该第一子像素电极112的驱动电压,如此,该第一子像素电极112和第二子像素电极113的亮度差异会更加明显,在此基础,该主干和枝干的数量和宽度,可以在改变的程度较低的情况下,达到需求的亮度差异;而相反之,由于该第一子像素电极112和第二子像素电极113本身便存在开口率的区别,因而,为达到需求的亮度差异,可以只增加一较小的电容即可达到需求,而电容越小体积也就越小,可以在改善色偏的同时,保 证开口率不会降低太多,达到极佳的技术效果。
具体的,该放电电容可以形成在第一子像素电极112和公共电极,也可以形成在第一子像素电极112和栅极线之间,适用即可;甚至,设置两个及两个以上也是可以的。
其中,该下拉电路124可以包括放电电容,该放电电容可以形成在第一子像素电极112和阵列基板的公共电极之间,可以形成在第一子像素电极112和某一条栅线之间(一般是下一行栅线);该下拉电路124可以包括一放电电容和放电开关,放电开关的控制端连接于下一行栅线,源极端连接于第一子像素电极112,漏极端通过放电电容连接到阵列基板的公共电极或某一条栅线;该下拉电路124还可以包括是一下拉电阻,下拉电阻的一端连接于该第一子像素电极112,另一端可以连接于下一行栅线等;
当然,其他用于拉低该第一子像素电极112的电压或电流从而使得该第一子像素电极112的亮度降低的设计也可以,举例如下,未举例说明的,适用即可。
例如,设置第一子像素电极112和第二子像素电极113采用不同的材质等也是适用的。再例如,可以通过对应第一子像素电极112和第二子像素电极113设置沟道宽长比不同的主薄膜晶体开关和次薄膜晶体开关(该主薄膜晶体开关和次薄膜晶体开关将像素电极连接到扫描线和数据线)。
在一实施例中,所述第一水平主干116的宽度大于所述第二水平主干118的宽度,和/或所述第一竖直主干117的宽度大于所述第二竖直主干119的宽度;所述第一水平主干116的数量大于所述第二水平主干118的数量,和/或第一竖直主干117的数量大于所述第二竖直主干119的数量;同时,所述第一子像素电极112内的第一枝干120的数量大于所述第二子像素电极113内的第二枝干121的数量,或所述第一子像素电极112内的第一枝干120的宽度小于所述第二子像素电极113内的第二枝干121的宽度。
本方案中,通过设置第一主干114和第二主干115的宽度或数量,以及同时设置第一枝干120和第二枝干121的数量,或者设置第一枝干120和第二枝干121的宽度,可以在一定程度上实现第一子像素电极112和第二子像素电极113的开口率差异,如此,在相同的驱动电压情况下,该第一子像素电极112和第二子像素电极113可以实现亮度上的亮暗差异,配合合适的第一子像素电极112伽马电压和第二子像素电极113伽马电压驱动,达到改善色偏。
作为本申请的另一实施例,公开了一种显示面板101,包括第一基板110。所述第一基板110包括多个像素111,每个所述像素111包括多个不同颜色的子像素。每个颜色的所述子像素分别包括第一子像素122和第二子像素123;所述第一子像素122包括第一子像素电极112,所述第二子像素123包括第二子像素电极113;所述第一主干114包括设置在所述第一子像素电极112竖直方向中部的第一水平主干116,以及设置在所述第一子像素电极112水平方向中部的第一竖直主干117,所述第一水平主干116和第一竖直主干117将所述第一 子像素电极112划分为四个配向区域;所述第一子像素电极112的配向区域内,均匀设置有多条第一枝干120;所述第一子像素电极112和第二子像素电极113由同一条数据线和同一条扫描线驱动;所述第二主干115包括设置在所述第二子像素电极113竖直方向中部的第二水平主干118,以及设置在所述第二子像素电极113水平方向中部的第二竖直主干119,所述第二水平主干118和第二竖直主干119将所述第二子像素电极113划分为四个配向区域,所述第二子像素电极113的配向区域内,均匀设置有多条第二枝干121;所述第一水平主干116的宽度大于所述第二水平主干118的宽度;所述第一竖直主干117的宽度大于所述第二竖直主干119的宽度。所述第一主干114的水平投影面积占第一子像素电极112总面积的比例大于所述第二主干115的水平投影面积占第二子像素电极113总面积的比例。
尺寸比较大的显示面板101,特别是VA模式的显示面板101,在中间看的时候两边会发亮,或者说显示面板101的靠近两侧边处亮暗不均匀,从而产生大视角色偏的现象。本方案中,每个颜色的子像素分别包括第一子像素122和第二子像素123,所述第一子像素122为次像素,所述第二子像素123为主像素,且第一子像素122的开口率小于第二子像素123的开口率,在相同的驱动电压的情况下,(当然,该第一子像素122的驱动电压也可以比第二子像素123的驱动电压小),第一子像素122的亮度会比第二子像素的亮度低,配合合适的第一子像素122伽马电压和第二子像素123伽马电压驱动,便能够减轻甚至消除亮暗不均匀的现象,从而改善色偏,提升产品大视角情况下显示面板101的品质。
作为本申请的另一实施例,参考图7所示,公开了一种显示装置100,包括如上述所述的显示面板101。
本方案是以亮度较亮的作为次像素,以亮度较暗的作为主像素,当然以亮度较亮的作为主像素,以亮度较暗的作为次像素也是可以的。
本申请的面板可以是TN面板(全称为Twisted Nematic,即扭曲向列型面板)、IPS面板(In-Plane Switching,平面转换)、VA面板(Multi-domain Vertical Alignment,多象限垂直配向技术),当然,也可以是其他类型的面板,适用即可。
以上内容是结合具体的可选的实施方式对本申请所作的进一步详细说明,不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说,在不脱离本申请构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本申请的保护范围。

Claims (17)

  1. 一种显示面板,包括第一基板,所述第一基板包括:
    像素,设置有多个;
    每个像素包括多个不同颜色的子像素;
    每个颜色的所述子像素分别包括第一子像素和第二子像素;
    所述第一子像素的开口率小于所述第二子像素的开口率。
  2. 如权利要求1所述的显示面板,其中,所述第一子像素包括第一子像素电极,所述第二子像素包括第二子像素电极;所述第一子像素电极的开口率小于第二子像素电极的开口率;
    所述第一子像素电极包括将第一子像素电极划分为多个配向区域的第一主干,所述第一子像素电极的配向区域内,均匀设置有多条第一枝干;
    所述第二子像素电极包括将第二子像素电极划分为多个配向区域的第二主干,所述第二子像素电极的配向区域内,均匀设置有多条第二枝干;
    所述第一主干和第一枝干的水平投影面积占第一子像素电极总面积的比例大于所述第二主干和第二枝干的水平投影面积占第二子像素电极总面积的比例。
  3. 如权利要求2所述的显示面板,其中,所述第一主干包括设置在所述第一子像素电极竖直方向中部的第一水平主干,以及设置在所述第一子像素电极水平方向中部的第一竖直主干,所述第一水平主干和第一竖直主干将所述第一子像素电极划分为四个配向区域;
    所述第二主干包括设置在所述第二子像素电极竖直方向中部的第二水平主干,以及设置在所述第二子像素电极水平方向中部的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域;
    所述第一水平主干的宽度大于所述第二水平主干,和/或所述第一竖直主干的宽度大于所述第二竖直主干。
  4. 如权利要求3所述的显示面板,其中,所述第一水平主干的宽度是第二水平主干的宽度的1.1至1.3倍。
  5. 如权利要求3所述的显示面板,其中,所述第一水平主干的长度与所述第一子像素电极的水平方向宽度相当,所述第一竖直主干的长度与所述第一子像素电极的竖直方向宽度相当;
    所述第二水平主干的长度与所述第二子像素电极的水平方向宽度相当,所述第二竖直主干的长度与所述第二子像素电极的竖直方向宽度相当。
  6. 如权利要求2所述的显示面板,其中,所述第一主干包括设置在所述第一子像素电极竖直方向中部的第一水平主干,以及设置在所述第一子像素电极水平方向中部的第一竖直 主干,所述第一水平主干和第一竖直主干将所述第一子像素电极划分为四个配向区域;
    所述第二主干包括设置在所述第二子像素电极竖直方向中部的第二水平主干,以及设置在所述第二子像素电极水平方向中部的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域;
    所述第一水平主干的长度小于所述第一子像素电极的水平方向宽度,和/或所述第一竖直主干的长度小于所述第一子像素电极的竖直方向宽度;
    所述第二水平主干的长度与所述第二子像素电极的水平宽度相当,所述第二竖直主干的长度与所述第二子像素电极的竖直宽度相当。
  7. 如权利要求2所述的显示面板,其中,所述第一主干包括水平设置的第一水平主干,以及竖直设置的第一竖直主干;
    所述第二主干包括水平设置的第二水平主干,以及竖直设置的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域;
    所述第一水平主干的宽度与所述第二水平主干相当,所述第一竖直主干的宽度与所述第二竖直主干相当;
    所述第一水平主干的数量大于所述第二水平主干的数量,或第一竖直主干的数量大于所述第二竖直主干的数量。
  8. 如权利要求2所述的显示面板,其中,所述第一主干包括水平设置的第一水平主干,以及竖直设置的第一竖直主干;
    所述第二主干包括水平设置的第二水平主干,以及竖直设置的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域;
    所述第一水平主干的宽度与所述第二水平主干相当,所述第一竖直主干的宽度与所述第二竖直主干相当;
    所述第一水平主干的数量大于所述第二水平主干的数量,和第一竖直主干的数量大于所述第二竖直主干的数量。
  9. 如权利要求2所述的显示面板,其中,所述第一主干包括水平设置的第一水平主干,以及竖直设置的第一竖直主干;
    所述第二主干包括水平设置的第二水平主干,以及竖直设置的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域;
    所述第一水平主干的宽度大于所述第二水平主干的宽度,和/或所述第一竖直主干的宽度大于所述第二竖直主干的宽度;
    同时,所述第一水平主干的数量大于所述第二水平主干的数量,和/或第一竖直主干的数量大于所述第二竖直主干的数量。
  10. 如权利要求2所述的显示面板,其中,所述第一子像素电极内的第一枝干的数量大于所述第二子像素电极内的第二枝干的数量,或所述第一子像素电极内的第一枝干的宽度小于所述第二子像素电极内的第二枝干的宽度。
  11. 如权利要求2所述的显示面板,其中,所述第一主干包括水平设置的第一水平主干,以及竖直设置的第一竖直主干;
    所述第二主干包括水平设置的第二水平主干,以及竖直设置的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域;
    所述第一水平主干的宽度大于所述第二水平主干的宽度,和/或所述第一竖直主干的宽度大于所述第二竖直主干的宽度;
    所述第一水平主干的数量大于所述第二水平主干的数量,和/或第一竖直主干的数量大于所述第二竖直主干的数量;
    同时,所述第一子像素电极内的第一枝干的数量大于所述第二子像素电极内的第二枝干的数量,或所述第一子像素电极内的第一枝干的宽度小于所述第二子像素电极内的第二枝干的宽度。
  12. 如权利要求1所述的显示面板,其中,所述第一子像素电极和第二子像素电极由同一条数据线和同一条扫描线驱动;
    所述第一子像素电极连接有以降低所述第一子像素电极的电压的下拉电路。
  13. 如权利要求12所述的显示面板,其中,所述下拉电路包括放电电容。
  14. 如权利要求1所述的显示面板,其中,所述第一子像素为次像素,所述第二子像素为主像素;
    所述第一子像素的亮度低于所述第二子像素的亮度。
  15. 如权利要求1所述的显示面板,其中,所述第一子像素电极和第二子像素电极由同一条扫描线驱动,所述第一子像素电极和所述第二子像素电极分别连接两条不同的数据线,且两条所述数据线接收相同的数据信号;
    所述第一子像素电极连接有以降低所述第一子像素电极的电压的下拉电路。
  16. 一种显示面板,包括第一基板,所述第一基板包括:
    像素,设置有多个;
    每个所述像素包括多个不同颜色的子像素,每个颜色的所述子像素分别包括第一子像素和第二子像素;
    所述第一子像素包括第一子像素电极,所述第一子像素电极包括将第一子像素电极划分为多个配向区域的第一主干,所述第一子像素电极的配向区域内,均匀设置有多条第一枝干;
    所述第二子像素包括第二子像素电极,所述第二子像素电极包括将第二子像素电极划分 为多个配向区域的第二主干,所述第二子像素电极的配向区域内,均匀设置有多条第二枝干;
    所述第一主干包括设置在所述第一子像素电极竖直方向中部的第一水平主干,以及设置在所述第一子像素电极水平方向中部的第一竖直主干,所述第一水平主干和第一竖直主干将所述第一子像素电极划分为四个配向区域,所述第一子像素电极的配向区域内,均匀设置有多条第一枝干;
    所述第二主干包括设置在所述第二子像素电极竖直方向中部的第二水平主干,以及设置在所述第二子像素电极水平方向中部的第二竖直主干,所述第二水平主干和第二竖直主干将所述第二子像素电极划分为四个配向区域,所述第二子像素电极的配向区域内,均匀设置有多条第二枝干;
    所述第一水平主干的宽度大于所述第二水平主干的宽度,所述第一竖直主干的宽度大于所述第二竖直主干的宽度,所述第一主干的水平投影面积占第一子像素电极总面积的比例大于所述第二主干的水平投影面积占第二子像素电极总面积的比例。
  17. 一种显示装置,包括显示面板,所述显示面板包括第一基板,所述第一基板包括:
    像素,设置有多个;
    每个像素包括多个不同颜色的子像素;
    每个颜色的所述子像素分别包括第一子像素和第二子像素;
    所述第一子像素的开口率小于所述第二子像素的开口率。
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