WO2015113375A1 - 显示基板及其制造方法和显示装置 - Google Patents

显示基板及其制造方法和显示装置 Download PDF

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Publication number
WO2015113375A1
WO2015113375A1 PCT/CN2014/081580 CN2014081580W WO2015113375A1 WO 2015113375 A1 WO2015113375 A1 WO 2015113375A1 CN 2014081580 W CN2014081580 W CN 2014081580W WO 2015113375 A1 WO2015113375 A1 WO 2015113375A1
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WIPO (PCT)
Prior art keywords
pixel
sub
pixels
white light
row
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/081580
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English (en)
French (fr)
Inventor
徐宇博
胡明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Hefei Xinsheng Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Hefei Xinsheng Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US14/431,504 priority Critical patent/US9997560B2/en
Publication of WO2015113375A1 publication Critical patent/WO2015113375A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
    • H10H29/10—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
    • H10H29/14—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00 comprising multiple light-emitting semiconductor components
    • H10H29/142—Two-dimensional arrangements, e.g. asymmetric LED layout
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/01—Manufacture or treatment
    • H10D86/021—Manufacture or treatment of multiple TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/441—Interconnections, e.g. scanning lines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements

Definitions

  • Display substrate manufacturing method thereof and display device
  • the present disclosure relates to a display substrate, a method of manufacturing the same, and a display device. Background technique
  • Liquid crystal displays are currently the most commonly used flat panel displays, and Thin Film Transistor Liquid Crystal Display (TFT-LCD) is a mainstream product in liquid crystal displays.
  • Display devices are an important component in liquid crystal displays.
  • the display device is formed by pairing an array substrate and a color filter substrate into a box by a process of a cartridge, and filling a liquid crystal layer between the array substrate and the color filter substrate.
  • the color film substrate includes: a black matrix 10 and red sub-pixels 11, green sub-pixels 12, blue sub-pixels 13, and white sub-pixels arranged in sequence. 14.
  • the color sub-pixels on the color filter substrate in Fig. 1 are arranged in a conventional red, green, blue and white color arrangement to realize the screen display of the display device. Summary of the invention
  • a display substrate including: a substrate substrate and a plurality of pixel groups disposed on the substrate substrate, each of the pixel groups comprising: four first sub-pixels, Four second sub-pixels, four third sub-pixels, and four fourth sub-pixels, wherein the sub-pixels in each of the pixel groups are arranged in a 4 x 4 matrix;
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel in one pixel row are sequentially arranged, one of which The second sub-pixel, the third sub-pixel, the fourth sub-pixel, and the first sub-pixel are sequentially arranged in a pixel row, wherein the fourth sub-pixel, the first sub-pixel in one pixel row
  • the pixel, the second sub-pixel, and the third sub-pixel are sequentially arranged, wherein the third sub-pixel, the fourth sub-pixel, the first sub-pixel, and the second sub-pixel in one pixel row Arrange in order.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel are sequentially arranged in a first pixel row, and the second array is sequentially arranged.
  • Subimage The fourth sub-pixel, the fourth sub-pixel, and the first sub-pixel are located in a second pixel row, and the fourth sub-pixel, the first sub-pixel, and the first The second sub-pixel and the third sub-pixel are located in a third pixel row, and the third sub-pixel, the fourth sub-pixel, the first sub-pixel, and the second sub-pixel are sequentially arranged In four pixel rows; or
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel arranged in sequence are located in a first pixel row, and the third sub-pixels are sequentially arranged,
  • the fourth sub-pixel, the first sub-pixel and the second sub-pixel are located in a second pixel row, and the fourth sub-pixel, the first sub-pixel, the second sub-pixel and
  • the third sub-pixel is located in a third pixel row, and the second sub-pixel, the third sub-pixel, the fourth sub-pixel, and the first sub-pixel are sequentially arranged in a fourth pixel row in.
  • At least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is provided with a white light-transmitting region.
  • the white light-transmitting regions are disposed in all of the first sub-pixels and the second sub-pixels.
  • a white light transmissive area is disposed in the first sub-pixel and the second sub-pixel, and white light is disposed in the adjacent first sub-pixel and the second sub-pixel.
  • the projections of the regions in the pixel row direction do not overlap each other.
  • a white light-transmitting region is disposed in the second sub-pixel and the third sub-pixel, and white light is disposed in the adjacent second sub-pixel and the third sub-pixel.
  • the projections of the regions in the pixel row direction do not overlap each other.
  • the white light transmissive regions are disposed in all of the second sub-pixels.
  • the display substrate includes eight pixel groups arranged in a 2 x 4 matrix, wherein two adjacent pixel groups form one region; all of the first sub-regions of the two regions disposed along the diagonal of the matrix
  • the white light transmitting region is disposed in the pixel and the second subpixel.
  • the white light-transmitting region is a strip-shaped region that is disposed obliquely with respect to the pixel row direction.
  • the white light transmissive region is a strip region disposed in parallel with the pixel row direction.
  • the length of the white light-transmitting region in the pixel column direction is greater than 0 and less than or equal to 1/3 of the length of the sub-pixel in the pixel column direction.
  • the first sub-pixel is a red sub-pixel
  • the second sub-pixel is blue a sub-pixel
  • the third sub-pixel is a green sub-pixel
  • the fourth sub-pixel is a white sub-pixel.
  • a display device comprising any of the display substrates described.
  • the display device further includes a counter substrate, the display substrate is a color filter substrate, and the opposite substrate is an array substrate.
  • a method of manufacturing a display substrate includes: forming a plurality of pixel groups on a substrate, each pixel group comprising: four first sub-pixels, four second sub-pixels Four fourth sub-pixels and four fourth sub-pixels, the sub-pixels in each pixel group being arranged in a 4 x 4 matrix; in one of the four pixel rows of the pixel group, one of the pixel rows The first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel are sequentially arranged, wherein the second sub-pixel, the third sub-pixel, and the first pixel in one pixel row The fourth sub-pixel and the first sub-pixel are sequentially arranged, wherein the fourth sub-pixel, the first sub-pixel, the second sub-pixel, and the third sub-pixel in one pixel row are sequentially arranged, one of which The third sub-pixel, the fourth sub-pixel, the first sub-pixel, and the second sub-pixel are sequentially arranged in
  • the above manufacturing method further includes forming a white light-transmitting region in at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel.
  • the white light-transmitting region is a strip-shaped region that is disposed obliquely with respect to the pixel row direction.
  • the white light transmitting region is a strip region disposed in parallel with the pixel row direction.
  • the first sub-pixel is a red sub-pixel
  • the second sub-pixel is a blue sub-pixel
  • the third sub-pixel is a green sub-pixel
  • the fourth sub-pixel is a white sub-pixel.
  • the above manufacturing method further includes forming a black matrix surrounding each sub-pixel on the base substrate.
  • FIG. 1 is a schematic structural view of a known color substrate
  • FIG. 2 is a schematic structural diagram of a display substrate according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural diagram of a display substrate according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic structural diagram of a display substrate according to Embodiment 3 of the present invention.
  • FIG. 5 is a schematic structural diagram of a display substrate according to Embodiment 4 of the present invention.
  • FIG. 6 is a schematic structural diagram of a display substrate according to Embodiment 5 of the present invention.
  • FIG. 7 is a schematic structural diagram of a display substrate according to Embodiment 6 of the present invention. detailed description
  • the white sub-pixels 14 shown in Fig. 1 are too concentrated, that is, the white sub-pixels 14 are located in the same column, causing severe white streaks in the gray scale picture of the display device, thereby degrading the display quality of the display screen.
  • Embodiments of the present invention provide a display substrate, a method of manufacturing the same, and a display device for improving a display shield of a display screen.
  • the display substrate includes: a substrate substrate and a plurality of pixel groups disposed on the substrate, each pixel group
  • the method includes: four first sub-pixels 21, four second sub-pixels 22, four third sub-pixels 23, and four fourth sub-pixels 24, and the sub-pixels in each pixel group are arranged in a 4 x 4 matrix (ie, 4 rows X 4 columns ;).
  • the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 of one of the pixel rows are sequentially arranged, and the second sub-pixel of one pixel row
  • the pixel 22, the third sub-pixel 23, the fourth sub-pixel 24, and the first sub-pixel 21 are sequentially arranged, wherein the fourth sub-pixel 24, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel in one pixel row 23 is arranged in order, and the fourth sub-pixel 24, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 of one pixel row are sequentially arranged.
  • the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 are sequentially arranged in the first pixel row, and the third sub-pixels 23 and fourth are sequentially arranged.
  • the sub-pixel 24, the first sub-pixel 21, and the second sub-pixel 22 are located in the second pixel row, and the fourth sub-pixel 24, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 are sequentially arranged.
  • the second sub-pixel 22, the third sub-pixel 23, the fourth sub-pixel 24, and the first sub-pixel 21, which are sequentially arranged are located in the fourth pixel row.
  • the first sub-pixel 21 is a red sub-pixel
  • the second sub-pixel 22 is a blue sub-pixel
  • the third sub-pixel 23 is a green sub-pixel
  • the fourth sub-pixel 24 is a white sub-pixel.
  • the red sub-pixel, the blue sub-pixel, the green sub-pixel, and the white sub-pixel in the first pixel row are sequentially arranged
  • the green pixel, the white sub-pixel, the red sub-pixel, and the second pixel row are sequentially arranged.
  • the blue sub-pixels are sequentially arranged, and the white sub-pixel, the red sub-pixel, the blue sub-pixel, and the green sub-pixel are sequentially arranged in the third pixel row, and the blue sub-pixel, the green sub-pixel, and the white sub-pixel in the fourth pixel row And the red sub-pixels are arranged in order.
  • the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 form one pixel unit or any two of the sub-pixels form one pixel unit.
  • two sub-pixels of the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 form one pixel unit.
  • the fourth sub-pixel 24 is a white sub-pixel
  • the pixel in the first pixel row The unit 3 includes red sub-pixels and blue sub-pixels arranged in sequence
  • the pixel unit 4 in the first pixel row includes green sub-pixels and white sub-pixels arranged in sequence
  • the pixel unit 3 in the second pixel row includes green sub-arrays arranged in sequence a pixel and a white sub-pixel
  • the pixel unit 4 in the second pixel row includes red sub-pixels and blue sub-pixels arranged in sequence
  • the pixel unit 3 in the third pixel row includes white sub-pixels and red sub-pixels arranged in sequence
  • the pixel unit 4 in the three pixel rows includes blue sub-pixels and green sub-pixels arranged in sequence
  • the pixel unit 3 in the fourth pixel row includes blue sub-pixels
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel in four different pixel rows in each pixel group are sequentially arranged in different orders.
  • the sub-pixels are evenly distributed, so that the same sub-pixels are avoided in the same column, thereby avoiding serious white streaks in the grayscale image of the display device, thereby improving the display quality of the display screen.
  • FIG. 3 is a schematic structural diagram of a display substrate according to Embodiment 2 of the present invention, as shown in FIG. 3,
  • at least one of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 is provided with a white light-transmitting region 2.
  • all of the first sub-pixel 21 and the second sub-pixel 22 are provided with a white light-transmitting region.
  • the first sub-pixel 21 is a red sub-pixel and the second sub-pixel 22 is a blue sub-pixel. Therefore, in the present embodiment, the white light-transmissive region 2 is disposed in all of the red sub-pixels and the blue sub-pixels.
  • each of the pixel units includes a white sub-pixel or a white light-transmissive area, so that each of the pixel units includes three color elements of red, green, and blue, thereby improving the display effect of the display screen.
  • the white light-transmitting region is provided to make the white distribution more uniform, thereby improving the display effect of the display screen while improving the transmittance of the display substrate, thereby optimizing the user's visual experience.
  • the human eye is less sensitive to the red sub-pixel and the blue sub-pixel, so that a white light-transmitting region is disposed in the red sub-pixel and the blue sub-pixel, which can improve the transmittance of the display substrate. Also ensure the display quality of the display.
  • the projections of the white light-transmitting regions 2 disposed in the adjacent first and second sub-pixels 21 and 22 in the pixel row direction do not overlap each other, that is, the adjacent first sub-pixels 21 and The white light-transmitting regions 2 provided in the second sub-pixels 22 are shifted from each other in the pixel row direction. As shown in FIG.
  • the projections of the white light-transmitting regions disposed in the adjacent first sub-pixels 21 and the second sub-pixels 22 in the pixel row direction (horizontal direction) do not overlap each other, thereby avoiding the white light-transmitting region in the sub-
  • a continuous white light-transmitting area is formed in the direction in which the pixels are arranged, thereby avoiding the occurrence of white horizontal lines in the display screen.
  • the transmittances of the red sub-pixel, the green sub-pixel, and the blue sub-pixel are less than 30%, and the transmittance of the white transparent region 2 is close to 100%, so the red sub-pixel, the green sub-pixel, and The white light-transmitting region 2 is provided in at least one of the blue sub-pixels, and the transmittance of the display substrate can be effectively improved.
  • a white light transmissive area is disposed in the pixel unit not including the fourth sub-pixel 24, and such a case is not specifically drawn.
  • the white light-transmitting region 2 disposed in the first sub-pixel 21 is a hollow region of the color filter layer in the first sub-pixel 21; and the white light-transmitting region 2 disposed in the second sub-pixel 22 is the first The hollow region of the color filter layer in the two sub-pixels 22; the white light-transmitting region 2 disposed in the third sub-pixel 23 is a hollow region of the color filter layer in the third sub-pixel 23.
  • white light transmission The area 2 is a strip-shaped area disposed along the pixel row direction. Alternatively, in practical applications, the white light-transmitting area 2 may have other shapes.
  • the white light-transmitting region 2 may also be disposed in other forms, for example: the white light-transmitting region 2 may be a strip-shaped region that is inclined with respect to the pixel row direction, which will be discussed below. .
  • the size of the white light transmitting area 2 can be set as needed.
  • the length of the white light-transmitting region 2 is less than or equal to 1/3 of the length of the color sub-pixel and greater than 0, and the white light-transmitting region 2 ⁇ With the above dimensions, it is possible to effectively prevent the white light-transmitting regions from forming a continuous white light-transmitting region in the arrangement direction of the sub-pixels, thereby avoiding the occurrence of white horizontal lines in the display screen.
  • the display substrate further includes: a black matrix 1 disposed on the base substrate and surrounding each sub-pixel.
  • all of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 are provided with a white light-transmitting region 2, which is not specifically drawn.
  • all or part of the third sub-pixels 23 are provided with a white light-transmitting region 2, which is not specifically drawn.
  • all or part of any two of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 is provided with a white light-transmitting region 2, which is not specifically drawn.
  • a white light-transmitting region is disposed in the second sub-pixel and the third sub-pixel, the projections of the white light-transmitting regions disposed in the adjacent second and third sub-pixels do not overlap each other in the pixel row direction, thereby avoiding white
  • the light-transmitting regions form a continuous white light-transmitting region in the arrangement direction of the sub-pixels, thereby avoiding the occurrence of white horizontal lines in the display screen.
  • the number and position of the white light-transmitting regions can be set according to the requirements of the color ratio to achieve the purpose of improving the transmittance of the display substrate and ensuring the display quality of the display screen, which is not enumerated here.
  • the red luminance signal corresponding to the original red sub-pixel, the green luminance signal corresponding to the green sub-pixel, and the blue luminance signal corresponding to the blue sub-pixel are processed, for example, according to the white light-transmitting region.
  • the sub-pixels have a wider color gamut.
  • At least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is provided with a white light-transmitting region, thereby effectively improving the transmittance of the display substrate, thereby improving The transmittance of the display device. Since the embodiment can improve the transmittance of the display device, Therefore, under the premise that the overall brightness of the display device of the present embodiment is consistent with the overall brightness of the known display device, the luminance of the backlight can be reduced.
  • each of the pixel units includes a white sub-pixel or a white light-transmissive area, so that each of the pixel units includes three color elements of red, green, and blue, thereby improving the display effect of the display screen.
  • the white light-transmissive area is set to make the white distribution more uniform, thereby improving the display effect of the display screen while improving the display efficiency of the display substrate, thereby optimizing the user's visual experience.
  • At least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is provided with a white light-transmitting region, thereby effectively improving the transmittance of the display substrate, thereby improving The transmittance of the display device. Since the transmittance of the display device can be improved by the present embodiment, the luminance of the backlight can be reduced under the premise that the overall luminance of the display device of the present embodiment is kept consistent with the overall luminance of the known display device.
  • FIG. 5 is a schematic structural diagram of a display substrate according to Embodiment 4 of the present invention.
  • the difference between this embodiment and the second embodiment is as follows:
  • the display substrate is arranged in a 2 x 4 matrix.
  • a white light transmissive area is described.
  • the area 51, the area 52, the area 53, and the area 54 are each formed by two pixel groups, and the first sub-pixel 21 and the second sub-pixel 22 in the area 51 are provided with a white light-transmitting area.
  • a white light-transmitting region is not disposed in the region 52, and a white light-transmitting region is not disposed in the region 53, and the white light-transmitting region 2 is disposed in the first sub-pixel 21 and the second sub-pixel 22 in the region 54.
  • the region 51 at the upper left corner of the white light-transmitting region 2 and the region 53 at the lower right corner where the white light-transmitting region 2 is disposed are disposed along the diagonal of the matrix, and the upper right corner of the white light-transmitting region is not disposed.
  • the region 52 and the region 54 at the lower left corner where the white light transmitting region is not disposed are disposed along the other diagonal of the matrix.
  • the first sub-pixel 21 is a red sub-pixel
  • the second sub-pixel 22 is a blue sub-pixel.
  • the white light-transmitting region is arranged to make the white distribution more uniform, thereby improving the display effect of the display screen while improving the transmittance of the display substrate, thereby optimizing the visual experience of the user.
  • at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is provided with a white light-transmitting region, thereby effectively improving the transmittance of the display substrate, thereby improving The transmittance of the display device. Since the transmittance of the display device can be improved in the present embodiment, the luminance of the backlight can be reduced under the premise that the overall brightness of the display device of the present embodiment is consistent with the overall brightness of the known display device.
  • FIG. 6 is a schematic structural diagram of a display substrate according to Embodiment 5 of the present invention.
  • the display substrate includes: a base substrate and a plurality of pixel groups disposed on the base substrate, each pixel group
  • the method includes: four first sub-pixels 21, four second sub-pixels 22, four third sub-pixels 23, and four fourth sub-pixels 24, and the sub-pixels in each pixel group are arranged in a 4 x 4 matrix.
  • the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 of one of the pixel rows are sequentially arranged, and the second sub-pixel of one pixel row
  • the pixel 22, the third sub-pixel 23, the fourth sub-pixel 24, and the first sub-pixel 21 are sequentially arranged, wherein the fourth sub-pixel 24, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel in one pixel row 23 is sequentially arranged, wherein the fourth sub-pixel 24, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 of one pixel row are sequentially arranged.
  • the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 are sequentially arranged in the first pixel row, and the second sub-pixel 22 and the third array are sequentially arranged.
  • the sub-pixel 23, the fourth sub-pixel 24, and the first sub-pixel 21 are located in the second pixel row, and the fourth sub-pixel 24, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 are sequentially arranged.
  • the third sub-pixel 23, the fourth sub-pixel 24, the first sub-pixel 21, and the second sub-pixel 22, which are sequentially arranged are located in the fourth pixel row.
  • the first sub-pixel 21 is a red sub-pixel
  • the second sub-pixel 22 is a blue sub-pixel
  • the third sub-pixel 23 is a green sub-pixel
  • the fourth sub-pixel 24 is a white sub-pixel.
  • the red sub-pixel, the blue sub-pixel, the green sub-pixel, and the white sub-pixel in the first pixel row are sequentially arranged in ⁇ ij
  • the second sub-pixel in the second pixel row is a blue sub-pixel, a green sub-pixel, and a white sub-pixel.
  • the pixels and the red sub-pixels are sequentially arranged, and the white sub-pixel, the red sub-pixel, the blue sub-pixel, and the green sub-pixel are sequentially arranged in the third pixel row, and the green sub-pixel, the white sub-pixel, and the red sub-pixel in the fourth pixel row And blue sub-pixels are arranged in order.
  • the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 form one pixel unit or any two of the sub-pixels form one pixel unit.
  • two sub-pixels of the first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 form one pixel unit.
  • the fourth sub-pixel 24 is a white sub-pixel
  • the pixel in the first pixel row The unit 3 includes red sub-pixels and blue sub-pixels arranged in sequence
  • the pixel unit 4 in the first pixel row includes green sub-pixels and white sub-pixels arranged in sequence
  • the pixel unit 3 in the second pixel row includes blue arranged in order a sub-pixel and a green sub-pixel
  • the pixel unit 4 in the second pixel row includes a white sub-pixel and a red sub-pixel
  • the pixel unit 3 in the third pixel row includes a white sub-pixel and a red sub-pixel arranged in sequence
  • the pixel unit 4 in the row includes blue sub-pixels and green sub-pixels arranged in sequence
  • the pixel unit 3 in the fourth pixel row includes green sub-pixels and white sub-pixel
  • a white light transmissive region 2 is disposed in at least one of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23.
  • each of the pixel units includes a white sub-pixel or a white light-transmissive area, so that each of the pixel units includes three color elements of red, green, and blue, thereby improving the display effect of the display screen.
  • the white light-transmitting region is provided to make the white distribution more uniform, thereby improving the display effect of the display screen while improving the display efficiency of the display substrate, thereby optimizing the user's visual experience.
  • the white light-transmitting region 2 is a strip-shaped region provided along the pixel row direction.
  • the size of the white light transmission area 2 can be set as needed.
  • the length of the white light-transmitting region 2 is less than or equal to 1/3 of the length of the color sub-pixel and greater than 0 in a direction perpendicular to the pixel row direction.
  • the white light-transmitting region 2 disposed in the second sub-pixel 22 is the second sub-pixel.
  • the display substrate further includes: a black matrix 1 disposed on the base substrate and surrounding each sub-pixel.
  • the white light-transmitting area 2 in this embodiment may also adopt the setting manner described in the second embodiment, the third embodiment or the fourth embodiment, and will not be specifically described herein.
  • the display substrate provided in this embodiment at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is provided with a white light-transmitting region, thereby effectively improving the transmittance of the display substrate, thereby improving The transmittance of the display device. Since the transmittance of the display device can be improved in the present embodiment, the luminance of the backlight can be reduced under the premise that the overall brightness of the display device of the present embodiment is consistent with the overall brightness of the known display device.
  • FIG. 7 is a schematic structural diagram of a display substrate according to Embodiment 6 of the present invention. As shown in FIG. 6, the difference between the embodiment and the sixth embodiment is as follows: In this embodiment, all the first sub-pixels 21 and 2 are A white light-transmitting region 2 is provided in the sub-pixel 22 and the third sub-pixel 23.
  • the first sub-pixel 21 is a red sub-pixel
  • the second sub-pixel 22 is a blue sub-pixel
  • the third sub-pixel 23 is a green sub-pixel
  • all red sub-pixels, blue sub-pixels, and green sub-pixels are all set.
  • each of the pixel units includes a white sub-pixel or a white light-transmissive area, so that each of the pixel units includes red, green, and blue color elements, thereby improving the display effect of the display screen.
  • the white light-transmitting region is provided to make the white distribution more uniform, thereby improving the display effect of the display screen while improving the transmittance of the display substrate, thereby optimizing the visual experience of the user.
  • the white light-transmitting region 2 is a strip-shaped region that is obliquely disposed with respect to the pixel row direction, thereby effectively preventing the white light-transmitting region in each sub-pixel from forming a continuous white light-transmitting region, thereby avoiding appearance in the display screen.
  • White lines are a strip-shaped region that is obliquely disposed with respect to the pixel row direction, thereby effectively preventing the white light-transmitting region in each sub-pixel from forming a continuous white light-transmitting region, thereby avoiding appearance in the display screen.
  • the seventh embodiment of the present invention provides a display device comprising the display substrate according to any one of the first to sixth embodiments.
  • the display device further includes an opposite substrate disposed opposite the display substrate. In one example, the display device further includes a liquid crystal layer disposed between the display substrate and the opposite substrate.
  • the display substrate is a color film substrate
  • the opposite substrate is an array substrate
  • the display substrate is a Color Filter On Array (COA) substrate, and the opposite substrate is a glass substrate.
  • COA Color Filter On Array
  • the display substrate is a color film array substrate.
  • a black matrix, a red sub-pixel unit, a green sub-pixel unit, a blue sub-pixel unit, and a white sub-pixel unit are formed on a front surface of the base substrate.
  • the structure of the original array substrate is formed on the back surface of the base substrate, that is, the color film array substrate is formed by disposing the original color film substrate and the array substrate on the front and back surfaces of a substrate substrate respectively; It is a glass substrate.
  • a plurality of pixel groups are disposed on the base substrate, and each pixel group includes four first sub-pixels, second sub-pixels, third sub-pixels, and fourth sub-pixels.
  • the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel in four different pixel rows in each pixel group are sequentially arranged in a different order, so that each sub-pixel is evenly distributed, avoiding the same sub-pixel They are located in the same column, thus avoiding the occurrence of severe white streaks in the grayscale picture of the display device, thereby improving the display quality of the display screen.
  • a white light-transmitting region is disposed in at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel, thereby effectively improving the transmittance of the display substrate, thereby improving the transmittance of the display device. Since the transmittance of the display device can be improved in the present embodiment, the luminance of the backlight can be reduced under the premise that the overall brightness of the display device of the present embodiment is consistent with the overall brightness of the known display device.
  • a method for manufacturing a display substrate according to Embodiment 8 of the present invention includes:
  • Step 101 Form a plurality of pixel groups on the substrate, each pixel group including: four first sub-pixels, four second sub-pixels, four third sub-pixels, and four fourth sub-pixels, each The sub-pixels in the pixel group are arranged in a 4 x 4 matrix; in the four pixel rows of one of the pixel groups, the first sub-pixel, the second sub-pixel, and the third in one of the pixel rows The sub-pixel and the fourth sub-pixel are sequentially arranged, wherein the second sub-pixel, the third sub-pixel, the fourth sub-pixel, and the first sub-pixel are sequentially arranged in one pixel row, wherein one pixel The fourth sub-pixel, the first sub-pixel, the second sub-pixel, and the third sub-pixel are sequentially arranged in a row, wherein the third sub-pixel and the fourth sub-pixel in one pixel row The first sub-pixel and the second sub-pixel are sequentially arranged.
  • At least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel is provided with a white light-transmitting region.
  • Step 101 includes, for example:
  • Step 1011 Form a first sub-pixel on the base substrate by a patterning process.
  • Step 1012 Form a second sub-pixel on the base substrate by a patterning process.
  • Step 1013 Form a third sub-pixel on the base substrate by a patterning process.
  • Step 1014 Form a fourth sub-pixel on the base substrate by a patterning process.
  • steps 1011 to 1014 can be changed as needed.
  • the method further includes:
  • Step 102 forming a black matrix surrounding each sub-pixel on the base substrate.
  • a black matrix surrounding each sub-pixel can be formed on the base substrate by a patterning process. The order of execution of steps 101 and 102 can be changed as needed.
  • the patterning process may include: photoresist coating, exposure, development, etching, and photoresist stripping.
  • the display substrate manufacturing method provided in this embodiment can be used to manufacture the display substrate according to any one of the first to sixth embodiments.
  • the display substrate refer to the description of any one of the first embodiment to the sixth embodiment. .
  • each pixel group includes four first sub-pixels, second sub-pixels, third sub-pixels, and a fourth sub-pixel, wherein the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel are arranged in a different order in four different pixel rows in each pixel group, so that the sub-pixels are evenly distributed.
  • the same sub-pixels are avoided in the same column, thereby avoiding serious white streaks in the grayscale picture of the display device, thereby improving the display quality of the display screen.
  • a white light-transmitting region is provided in at least one of the first sub-pixel, the second sub-pixel, and the third sub-pixel, which effectively increases the transmittance of the display substrate, thereby improving the transmittance of the display device. Since the transmittance of the display device can be improved in the present embodiment, the luminance of the backlight can be reduced under the premise that the overall brightness of the display device of the present embodiment is kept in line with the overall brightness of the known display device.

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Abstract

一种显示基板及其制造方法和显示装置。该显示基板包括：衬底基板和设置于衬底基板之上的多个像素组，每个像素组包括：四个第一子像素（21）、四个第二子像素（22）、四个第三子像素（23）和四个第四子像素（24），每个像素组中的子像素成4X4矩阵排列；在一个像素组的四个像素行中，其中一个像素行中第一子像素（21）、第二子像素（22）、第三子像素（23）和第四子像素（24）依次排列，其中一个像素行中第二子像素（22）、第三子像素（23）、第四子像素（24）和第一子像（21）素依次排列，其中一个像素行中第四子像素（24）、第一子像素（21）、第二子像素（22）和第三子像素（23）依次排列，其中一个像素行中第三子像素（23）、第四子像素（24）、第一子像素（21）和第二子像素（22）依次排列。上述显示基板提高了显示画面的显示品质。

Description

显示基板及其制造方法和显示装置 技术领域
本公开涉及一种显示基板及其制造方法和显示装置。 背景技术
液晶显示器是目前最常用的平板显示器， 其中薄膜晶体管液晶显示器 ( Thin Film Transistor Liquid Crystal Display， 简称 TFT-LCD )是液晶显示器 中的主流产品。 显示装置是液晶显示器中的重要部件。 显示装置是通过对盒 工艺将一阵列基板和一彩膜基板对盒而形成， 并且在阵列基板和彩膜基板之 间填充有液晶层。
图 1为已知彩膜基板的结构示意图， 如图 1所示， 该彩膜基板包括： 黑 矩阵 10和依次排列的红色子像素 11、绿色子像素 12、蓝色子像素 13和白色 子像素 14。 图 1中的彩膜基板上的彩色子像素釆用的是传统的红绿蓝白四基 色排列方式， 以实现显示装置的画面显示。 发明内容
根据本发明的第一方面， 提供一种显示基板， 包括： 衬底基板和设置于 所述衬底基板之上的多个像素组， 每个所述像素组包括： 四个第一子像素、 四个第二子像素、 四个第三子像素和四个第四子像素， 所述每个像素组中的 子像素成 4 x 4矩阵排列；
在一个所述像素组的四个像素行中，其中一个像素行中所述第一子像素、 所述第二子像素、 所述第三子像素和所述第四子像素依次排列， 其中一个像 素行中所述第二子像素、 所述第三子像素、 所述第四子像素和所述第一子像 素依次排列， 其中一个像素行中所述第四子像素、 所述第一子像素、 所述第 二子像素和所述第三子像素依次排列， 其中一个像素行中所述第三子像素、 所述第四子像素、 所述第一子像素和所述第二子像素依次排列。
在一个示例中， 依次排列的所述第一子像素、 所述第二子像素、 所述第 三子像素和所述第四子像素位于第一个像素行中， 依次排列的所述第二子像 素、 所述第三子像素、 所述第四子像素和所述第一子像素位于第二个像素行 中， 依次排列的所述第四子像素、 所述第一子像素、 所述第二子像素和所述 第三子像素位于第三个像素行中， 依次排列的所述第三子像素、 所述第四子 像素、 所述第一子像素和所述第二子像素位于第四个像素行中； 或者
依次排列的所述第一子像素、 所述第二子像素、 所述第三子像素和所述 第四子像素位于第一个像素行中， 依次排列的所述第三子像素、 所述第四子 像素、 所述第一子像素和所述第二子像素位于第二个像素行中， 依次排列的 所述第四子像素、 所述第一子像素、 所述第二子像素和所述第三子像素位于 第三个像素行中， 依次排列的所述第二子像素、 所述第三子像素、 所述第四 子像素和所述第一子像素位于第四个像素行中。
在一个示例中， 所述第一子像素、 所述第二子像素和所述第三子像素中 的至少一个中设置有白色透光区域。
在一个示例中， 全部所述第一子像素和所述第二子像素中设置有所述白 色透光区域。
在一个示例中， 所述第一子像素和所述第二子像素中均设置有白色透光 区域， 并且相邻的所述第一子像素和所述第二子像素中设置的白色透光区域 在像素行方向上的投影不相互重叠。
在一个示例中， 所述第二子像素和所述第三子像素中均设置有白色透光 区域， 并且相邻的所述第二子像素和所述第三子像素中设置的白色透光区域 在像素行方向上的投影不相互重叠。
在一个示例中， 全部所述第二子像素中设置有所述白色透光区域。
在一个示例中， 显示基板包括按 2 x 4 矩阵排列的八个像素组， 其中相 邻的两个像素组形成一个区域； 沿矩阵对角线设置的两个区域中的全部所述 第一子像素和所述第二子像素中设置有所述白色透光区域。
在一个示例中， 所述白色透光区域为相对于像素行方向呈倾斜设置的条 状区域。
在一个示例中，所述白色透光区域为与像素行方向平行设置的条状区域。 在一个示例中， 白色透光区域在像素列方向上的长度大于 0且小于或等 于所述子像素在像素列方向上的长度的 1/3。
在一个示例中， 所述第一子像素为红色子像素， 所述第二子像素为蓝色 子像素， 所述第三子像素为绿色子像素， 所述第四子像素为白色子像素。 根据本发明的第二方面，提供一种显示装置， 包括任一所述的显示基板。 在一个示例中， 显示装置还包括对置基板， 所述显示基板为彩膜基板， 所述对置基板为阵列基板。
根据本发明的第二方面， 提供一种显示基板的制造方法， 包括： 在衬底基板之上形成多个像素组， 每个像素组包括： 四个第一子像素、 四个第二子像素、 四个第三子像素和四个第四子像素， 每个像素组中的子像 素成 4 x 4 矩阵排列； 在一个所述像素组的四个像素行中， 其中一个像素行 中所述第一子像素、 所述第二子像素、 所述第三子像素和所述第四子像素依 次排列， 其中一个像素行中所述第二子像素、 所述第三子像素、 所述第四子 像素和所述第一子像素依次排列， 其中一个像素行中所述第四子像素、 所述 第一子像素、 所述第二子像素和所述第三子像素依次排列， 其中一个像素行 中所述第三子像素、 所述第四子像素、 所述第一子像素和所述第二子像素依 次排列。
在一个示例中， 上述制造方法还包括在所述第一子像素、 所述第二子像 素和所述第三子像素中的至少一个中形成白色透光区域。
在一个示例中， 所述白色透光区域为相对于像素行方向呈倾斜设置的条 状区域。
在一个示例中， 所述白色透光区域为与像素行方向平行设置的条状区 域。
在一个示例中， 所述第一子像素为红色子像素， 所述第二子像素为蓝色 子像素， 所述第三子像素为绿色子像素， 所述第四子像素为白色子像素。
在一个示例中， 上述制造方法还包括在衬底基板上形成围绕每个子像素 的黑矩阵。
附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1为已知彩莫基板的结构示意图； 图 2为本发明实施例一提供的一种显示基板的结构示意图； 图 3为本发明实施例二提供的一种显示基板的结构示意图；
图 4为本发明实施例三提供的一种显示基板的结构示意图；
图 5为本发明实施例四提供的一种显示基板的结构示意图；
图 6为本发明实施例五提供的一种显示基板的结构示意图；
图 7为本发明实施例六提供的一种显示基板的结构示意图。 具体实施方式
图 1所示的白色子像素 14分布过于集中， 即白色子像素 14位于同一列 中， 导致显示装置的灰阶画面中出现严重的白色条纹， 从而降低了显示画面 的显示品质。
本发明实施例提供一种显示基板及其制造方法和显示装置， 用于提高显 示画面的显示品盾。
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图， 对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
图 2为本发明实施例一提供的一种显示基板的结构示意图，如图 2所示， 该显示基板包括： 衬底基板和设置于衬底基板之上的多个像素组， 每个像素 组包括： 四个第一子像素 21、 四个第二子像素 22、 四个第三子像素 23和四 个第四子像素 24，每个像素组中的子像素成 4 x 4矩阵排列（即 4行 X 4列；)。 在一个像素组的四个像素行中， 其中一个像素行中第一子像素 21、 第二子像 素 22、 第三子像素 23和第四子像素 24依次排列， 其中一个像素行中第二子 像素 22、 第三子像素 23、 第四子像素 24和第一子像素 21依次排列， 其中一 个像素行中第四子像素 24、 第一子像素 21、 第二子像素 22和第三子像素 23 依次排列， 其中一个像素行中第四子像素 24、 第一子像素 21、 第二子像素 22和第三子像素 23依次排列。
本实施例中， 依次排列的第一子像素 21、 第二子像素 22、 第三子像素 23和第四子像素 24位于第一个像素行中， 依次排列的第三子像素 23、 第四 子像素 24、 第一子像素 21和第二子像素 22位于第二个像素行中， 依次排列 的第四子像素 24、第一子像素 21、第二子像素 22和第三子像素 23位于第三 个像素行中， 依次排列的第二子像素 22、 第三子像素 23、 第四子像素 24和 第一子像素 21位于第四个像素行中。
例如， 第一子像素 21为红色子像素， 第二子像素 22为蓝色子像素， 第 三子像素 23为绿色子像素，第四子像素 24为白色子像素。每个个像素组中， 第一个像素行中红色子像素、 蓝色子像素、 绿色子像素和白色子像素依次排 歹 ， 第二个像素行中绿色像素、 白色子像素、 红色子像素和蓝色子像素依次 排列， 第三个像素行中白色子像素、 红色子像素、 蓝色子像素和绿色子像素 依次排列， 第四个像素行中蓝色子像素、 绿色子像素、 白色子像素和红色子 像素依次排列。
每个像素行中， 第一子像素 21、 第二子像素 22、 第三子像素 23和第四 子像素 24形成一个像素单元或者其中的任意两个子像素形成一个像素单元。 本实施例中， 每个像素行中， 第一子像素 21、 第二子像素 22、 第三子像素 23和第四子像素 24中的两个子像素形成一个像素单元。若第一子像素 21为 红色子像素、 第二子像素 22为蓝色子像素、 第三子像素 23为绿色子像素且 第四子像素 24为白色子像素时，第一个像素行中像素单元 3包括依次排列的 红色子像素和蓝色子像素， 第一像素行中像素单元 4包括依次排列的绿色子 像素和白色子像素， 第二个像素行中像素单元 3包括依次排列的绿色子像素 和白色子像素， 第二个像素行中像素单元 4包括依次排列的红色子像素和蓝 色子像素， 第三个像素行中像素单元 3包括依次排列的白色子像素和红色子 像素，第三个像素行中像素单元 4包括依次排列的蓝色子像素和绿色子像素， 第四个像素行中像素单元 3包括依次排列的蓝色子像素和绿色子像素， 第四 个像素行中像素单元 4包括白色子像素和红色子像素。
本实施例提供的显示基板的技术方案中， 每个像素组中的四个不同像素 行中第一子像素、 第二子像素、 第三子像素和第四子像素以不同的顺序依次 排列， 使得各个子像素均匀分布， 避免了同一子像素位于同一列中， 从而避 免了显示装置的灰阶画面中出现严重的白色条纹， 进而提高了显示画面的显 示品质。
图 3为本发明实施例二提供的一种显示基板的结构示意图，如图 3所示， 本实施例在上述实施例一的基础上， 第一子像素 21、 第二子像素 22和第三 子像素 23中的至少一个中设置有白色透光区域 2。
例如， 全部第一子像素 21和所述第二子像素 22中设置有白色透光区域
2。
第一子像素 21为红色子像素且第二子像素 22为蓝色子像素， 因此， 本 实施例中， 全部红色子像素和蓝色子像素中设置有白色透光区域 2。 上述方 案中， 每个像素单元中均包括了白色子像素或者白色透光区域， 使得每个像 素单元中均包括了红、 绿、 蓝三种颜色元素， 从而提高了显示画面的显示效 果。 上述方案中， 设置白色透光区域使得白色分布更加均匀， 从而在提高显 示基板的透过率的同时， 提高了显示画面的显示效果， 进而优化了用户的视 觉体验。相对于绿色子像素，人眼对红色子像素和蓝色子像素的敏感度更低， 因此在红色子像素和蓝色子像素中设置白色透光区域， 可在提高显示基板的 透过率的同时确保显示画面的显示品质。
在一个示例中， 相邻的第一子像素 21和第二子像素 22中设置的白色透 光区域 2在像素行方向上的投影不相互重叠， 也就是说， 相邻的第一子像素 21和第二子像素 22中设置的白色透光区域 2像素行方向上相互错开。如图 3 所示， 相邻的第一子像素 21和第二子像素 22中设置的白色透光区域在像素 行方向 （水平方向）上的投影不相互重叠， 避免了白色透光区域在子像素的 排列方向上形成连续的白色透光区域， 从而避免了显示画面中出现白色的横 线。
本实施例中，红色子像素、绿色子像素和蓝色子像素的透过率低于 30%， 而白色透光区域 2的透过率接近 100%， 因此在红色子像素、 绿色子像素和 蓝色子像素中的至少一个中设置有白色透光区域 2， 可有效提高显示基板的 透过率。
可选地，未包括第四子像素 24的像素单元中设置有白色透光区域，此种 情况不再具体画出。
本实施例中， 设置于第一子像素 21 中的白色透光区域 2为第一子像素 21中彩色滤光层的镂空区域； 设置于第二子像素 22中的白色透光区域 2为 第二子像素 22中彩色滤光层的镂空区域； 设置于第三子像素 23中的白色透 光区域 2为第三子像素 23中彩色滤光层的镂空区域。本实施例中， 白色透光 区域 2为沿着像素行方向设置的条状区域， 可选地， 在实际应用中， 该白色 透光区域 2还可以为其它形状。 可选地， 在实际应用中， 该白色透光区域 2 还可以釆用其它形式设置， 例如： 该白色透光区域 2可以为与像素行方向呈 倾斜设置的条状区域， 这将在下文中讨论。
白色透光区域 2的尺寸可根据需要进行设置。 在一个示例中， 在垂直于 像素行方向的方向上（即像素列方向）， 白色透光区域 2的长度小于或等于彩 色子像素的长度的 1/3且大于 0， 白色透光区域 2釆用上述尺寸可有效避免 白色透光区域在子像素的排列方向上形成连续的白色透光区域， 从而避免了 显示画面中出现白色的横线。
可选地， 该显示基板还包括： 黑矩阵 1， 该黑矩阵 1设置于衬底基板上 且围绕在每个子像素。
在另一示例中， 全部第一子像素 21、 第二子像素 22和第三子像素 23中 均设置有白色透光区域 2， 此种情况不再具体画出。 在再一示例中， 全部或 者部分第三子像素 23中设置有白色透光区域 2， 此种情况不再具体画出。 在 又一示例中， 第一子像素 21、 第二子像素 22和第三子像素 23中任意两种中 全部或者部分设置有白色透光区域 2， 此种情况不再具体画出。 若第二子像 素和第三子像素中设置有白色透光区域， 相邻的第二子像素和第三子像素中 设置的白色透光区域在像素行方向上的投影不相互重叠， 避免了白色透光区 域在子像素的排列方向上形成连续的白色透光区域， 从而避免了显示画面中 出现白色的横线。 在实际应用中， 还可以根据色彩配比的需求设置白色透光 区域的数量以及位置， 以达到提高显示基板的透过率以及确保显示画面的显 示品质的目的， 此处不再——列举。
实际显示过程中， 通过对原有的红色子像素对应的红色亮度信号、 绿色 子像素对应的绿色亮度信号和蓝色子像素对应的蓝色亮度信号进行处理， 例 如根据白色透光区域所占子像素的面积的比例而适当增加或降低提供给该子 像素的电压信号， 使得该子像素的灰阶得到增加或降低， 可使得设置有白色 透光区域的各个红色子像素、 绿色子像素和蓝色子像素的色域更广。
本实施例提供的显示基板的技术方案中， 第一子像素、 第二子像素和第 三子像素中的至少一个中设置有白色透光区域， 有效提高了显示基板的透过 率，从而提高了显示装置的透过率。 由于本实施例可提高显示装置的透过率， 因此在本实施例的显示装置的整体亮度与已知的显示装置的整体亮度保持一 致的前提下， 可降低背光源的发光亮度。
图 4为本发明实施例三提供的一种显示基板的结构示意图，如图 4所示， 本实施例与上述实施例二的区别在于： 本实施例中，全部第二子像素 22中设 置有白色透光区域 2。 例如， 当第二子像素 22为蓝色子像素时， 则全部蓝色 子像素中设置有白色透光区域 2。 上述方案中， 每个像素单元中均包括了白 色子像素或者白色透光区域， 使得每个像素单元中均包括了红、 绿、 蓝三种 颜色元素， 从而提高了显示画面的显示效果。 上述方案中， 设置白色透光区 域使得白色分布更加均匀， 从而在提高显示基板的透过率的同时， 提高了显 示画面的显示效果， 进而优化了用户的视觉体验。
本实施例提供的显示基板的技术方案中， 第一子像素、 第二子像素和第 三子像素中的至少一个中设置有白色透光区域， 有效提高了显示基板的透过 率，从而提高了显示装置的透过率。 由于本实施例可提高显示装置的透过率， 因此在本实施例的显示装置的整体亮度与已知的显示装置的整体亮度保持一 致的前提下， 可降低背光源的发光亮度。
图 5为本发明实施例四提供的一种显示基板的结构示意图，如图 5所示， 本实施例与上述实施例二的区别在于： 本实施例中， 显示基板包括按 2 x 4 矩阵排列的八个像素组， 其中任意相邻的两个像素组形成一个区域； 沿矩阵 的对角线设置的两个区域中的全部所述第一子像素和所述第二子像素中设置 有所述白色透光区域。 例如： 如图 5所示， 区域 51、 区域 52、 区域 53和区 域 54均是由两个像素组形成， 区域 51中的第一子像素 21和第二子像素 22 中设置有白色透光区域 2， 区域 52中未设置白色透光区域， 区域 53中未设 置白色透光区域，区域 54中的第一子像素 21和第二子像素 22中设置有白色 透光区域 2。设置有白色透光区域 2的位于左上角的区域 51与设置有白色透 光区域 2的位于右下角的区域 53沿矩阵的对角线设置， 同时，未设置白色透 光区域的位于右上角的区域 52 与未设置白色透光区域的位于左下角的区域 54沿矩阵的另一对角线设置。 第一子像素 21为红色子像素， 第二子像素 22 为蓝色子像素。 上述方案中， 设置白色透光区域使得白色分布更加均匀， 从 而在提高显示基板的透过率的同时， 提高了显示画面的显示效果， 进而优化 了用户的视觉体验。 本实施例提供的显示基板的技术方案中， 第一子像素、 第二子像素和第 三子像素中的至少一个中设置有白色透光区域， 有效提高了显示基板的透过 率，从而提高了显示装置的透过率。 由于本实施例可提高显示装置的透过率， 因此在本实施例的显示装置的整体亮度与已知的显示装置的整体亮度保持一 致的前提下， 可降低背光源的发光亮度。
图 6为本发明实施例五提供的一种显示基板的结构示意图，如图 6所示， 该显示基板包括： 衬底基板和设置于衬底基板之上的多个像素组， 每个像素 组包括： 四个第一子像素 21、 四个第二子像素 22、 四个第三子像素 23和四 个第四子像素 24， 每个像素组中的子像素成 4 x 4矩阵排列。 在一个像素组 的四个像素行中， 其中一个像素行中第一子像素 21、 第二子像素 22、 第三子 像素 23和第四子像素 24依次排列， 其中一个像素行中第二子像素 22、 第三 子像素 23、 第四子像素 24和第一子像素 21依次排列， 其中一个像素行中第 四子像素 24、 第一子像素 21、 第二子像素 22和第三子像素 23依次排列， 其 中一个像素行中第四子像素 24、 第一子像素 21、 第二子像素 22和第三子像 素 23依次排列。
本实施例中， 依次排列的第一子像素 21、 第二子像素 22、 第三子像素 23和第四子像素 24位于第一个像素行中， 依次排列的第二子像素 22、 第三 子像素 23、 第四子像素 24和第一子像素 21位于第二个像素行中， 依次排列 的第四子像素 24、第一子像素 21、第二子像素 22和第三子像素 23位于第三 个像素行中， 依次排列的第三子像素 23、 第四子像素 24、 第一子像素 21和 第二子像素 22位于第四个像素行中。
例如， 第一子像素 21为红色子像素， 第二子像素 22为蓝色子像素， 第 三子像素 23为绿色子像素， 第四子像素 24为白色子像素。 每个像素组中， 第一个像素行中红色子像素、 蓝色子像素、 绿色子像素和白色子像素依次排 歹 ij， 第二个像素行中蓝色子像素、 绿色子像素、 白色子像素和红色子像素依 次排列， 第三个像素行中白色子像素、 红色子像素、 蓝色子像素和绿色子像 素依次排列， 第四个像素行中绿色子像素、 白色子像素、 红色子像素和蓝色 子像素依次排列。
每个像素行中， 第一子像素 21、 第二子像素 22、 第三子像素 23和第四 子像素 24形成一个像素单元或者其中的任意两个子像素形成一个像素单元。 本实施例中， 每个像素行中， 第一子像素 21、 第二子像素 22、 第三子像素 23和第四子像素 24中的两个子像素形成一个像素单元。若第一子像素 21为 红色子像素、 第二子像素 22为蓝色子像素、 第三子像素 23为绿色子像素且 第四子像素 24为白色子像素时，第一个像素行中像素单元 3包括依次排列的 红色子像素和蓝色子像素， 第一像素行中像素单元 4包括依次排列的绿色子 像素和白色子像素， 第二个像素行中像素单元 3包括依次排列的蓝色子像素 和绿色子像素， 第二个像素行中像素单元 4包括白色子像素和红色子像素， 第三个像素行中像素单元 3包括依次排列的白色子像素和红色子像素， 第三 个像素行中像素单元 4包括依次排列的蓝色子像素和绿色子像素， 第四个像 素行中像素单元 3包括依次排列的绿色子像素和白色子像素， 第四个像素行 中像素单元 4包括依次排列的红色子像素和蓝色子像素。
可选地， 第一子像素 21、 第二子像素 22和第三子像素 23中的至少一个 中设置有白色透光区域 2。
本实施例中， 全部第二子像素 22中设置有白色透光区域 2。 其中， 第二 子像素 22为蓝色子像素， 则全部蓝色子像素中设置有白色透光区域 2。 上述 方案中， 每个像素单元中均包括了白色子像素或者白色透光区域， 使得每个 像素单元中均包括了红、 绿、 蓝三种颜色元素， 从而提高了显示画面的显示 效果。 上述方案中， 设置白色透光区域使得白色分布更加均匀， 从而在提高 显示基板的透过率的同时， 提高了显示画面的显示效果， 进而优化了用户的 视觉体验。
本实施例中， 白色透光区域 2为沿着像素行方向设置的条状区域。 白色 透光区域 2的尺寸可根据需要进行设置。 在一个例子中， 在垂直于像素行方 向的方向上， 白色透光区域 2的长度小于或等于彩色子像素的长度的 1/3且 大于 0。
本实施例中， 设置于第二子像素 22中的白色透光区域 2为第二子像素
22的彩色滤光层的镂空区域。
可选地， 该显示基板还包括： 黑矩阵 1， 该黑矩阵 1设置于衬底基板上 且围绕每个子像素。
在实际应用中，本实施例中的白色透光区域 2还可以釆用上述实施例二、 实施例三或者实施例四中所述的设置方式， 此处不再具体描述。 本实施例提供的显示基板的技术方案中， 第一子像素、 第二子像素和第 三子像素中的至少一个中设置有白色透光区域， 有效提高了显示基板的透过 率，从而提高了显示装置的透过率。 由于本实施例可提高显示装置的透过率， 因此在本实施例的显示装置的整体亮度与已知的显示装置的整体亮度保持一 致的前提下， 可降低背光源的发光亮度。
图 7为本发明实施例六提供的一种显示基板的结构示意图，如图 6所示， 本实施例与上述实施例六的区别在于： 本实施例中， 全部第一子像素 21、 第 二子像素 22和第三子像素 23中设置有白色透光区域 2。 其中， 第一子像素 21为红色子像素， 第二子像素 22为蓝色子像素， 第三子像素 23为绿色子像 素， 则全部红色子像素、 蓝色子像素和绿色子像素中均设置有白色透光区域 2。 上述方案中，每个像素单元中均包括了白色子像素或者白色透光区域，使 得每个像素单元中均包括了红、 绿、 蓝三种颜色元素， 从而提高了显示画面 的显示效果。 上述方案中， 设置白色透光区域使得白色分布更加均匀， 从而 在提高显示基板的透过率的同时， 提高了显示画面的显示效果， 进而优化了 用户的视觉体验。
本实施例中， 白色透光区域 2为与像素行方向呈倾斜设置的条状区域， 有效避免了各个子像素中的白色透光区域形成连续的白色透光区域， 从而避 免了显示画面中出现白色的线条。
本发明实施例七提供了一种显示装置， 该显示装置包括上述实施例一至 实施例六中任一所述的显示基板。
在一个示例中， 该显示装置还包括与显示基板相对设置的对置基板。 在 一个示例中， 该显示装置还包括设置在显示基板和对置基板之间的液晶层。
在一个示例中， 显示基板为彩膜基板， 则对置基板为阵列基板。
在一个示例中， 该显示基板为彩膜阵列 （Color Filter On Array, 简称： COA )基板， 则对置基板为玻璃基板。
可选地， 显示基板为彩膜阵列基板， 该彩膜阵列基板中， 黑矩阵、 红色 子像素单元、 绿色子像素单元、 蓝色子像素单元和白色子像素单元形成于衬 底基板的正面， 而原阵列基板中各个结构形成于衬底基板的背面，也就是说， 该彩膜阵列基板将原彩膜基板和阵列基板分别设置于一衬底基板的正面和背 面而形成； 则对置基板为玻璃基板。 本实施例提供的显示装置的技术方案中，衬底基板上设置有多个像素组， 每个像素组包括四个第一子像素、 第二子像素、 第三子像素和第四子像素， 每个像素组中的四个不同像素行中第一子像素、 第二子像素、 第三子像素和 第四子像素以不同的顺序依次排列， 使得各个子像素均匀分布， 避免了同一 子像素位于同一列中， 从而避免了显示装置的灰阶画面中出现严重的白色条 纹， 进而提高了显示画面的显示品质。 第一子像素、 第二子像素和第三子像 素中的至少一个中设置有白色透光区域， 有效提高了显示基板的透过率， 从 而提高了显示装置的透过率。 由于本实施例可提高显示装置的透过率， 因此 在本实施例的显示装置的整体亮度与已知的显示装置的整体亮度保持一致的 前提下， 可降低背光源的发光亮度。
本发明实施例八提供的一种显示基板的制造方法包括：
步骤 101、 在衬底基板之上形成多个像素组， 每个像素组包括： 四个第 一子像素、 四个第二子像素、 四个第三子像素和四个第四子像素， 每个像素 组中的子像素成 4 x 4 矩阵排列； 在一个所述像素组的四个像素行中， 其中 一个像素行中所述第一子像素、 所述第二子像素、 所述第三子像素和所述第 四子像素依次排列， 其中一个像素行中所述第二子像素、 所述第三子像素、 所述第四子像素和所述第一子像素依次排列， 其中一个像素行中所述第四子 像素、 所述第一子像素、 所述第二子像素和所述第三子像素依次排列， 其中 一个像素行中所述第三子像素、 所述第四子像素、 所述第一子像素和所述第 二子像素依次排列。
可选地， 所述第一子像素、 所述第二子像素和所述第三子像素中的至少 一个中设置有白色透光区域。
步骤 101例如包括：
步骤 1011、 通过构图工艺在衬底基板上形成第一子像素。
步骤 1012、 通过构图工艺在衬底基板上形成第二子像素。
步骤 1013、 通过构图工艺在衬底基板上形成第三子像素。
步骤 1014、 通过构图工艺在衬底基板上形成第四子像素。
可根据需要变更步骤 1011至步骤 1014的执行顺序。
在一个示例中， 该方法还包括：
步骤 102、 在衬底基板上形成围绕每个子像素的黑矩阵。 例如可通过构图工艺在衬底基板上形成围绕每个子像素的黑矩阵。 可根 据需要变更步骤 101和步骤 102的执行顺序。
本实施例中， 构图工艺可包括： 光刻胶涂覆、 曝光、 显影、 刻蚀和光刻 胶剥离等工艺。
本实施例提供的显示基板的制造方法可用于制造上述实施例一至实施例 六中任一所述的显示基板， 对显示基板的具体描述可参见实施例一至实施例 六中任一实施例的描述。
本实施例提供的显示基板的制造方法制造出的显示基板中， 衬底基板上 形成有多个像素组， 每个像素组包括四个第一子像素、 第二子像素、 第三子 像素和第四子像素， 每个像素组中的四个不同像素行中第一子像素、 第二子 像素、 第三子像素和第四子像素以不同的顺序依次排列， 使得各个子像素均 匀分布， 避免了同一子像素位于同一列中， 从而避免了显示装置的灰阶画面 中出现严重的白色条纹， 进而提高了显示画面的显示品质。 第一子像素、 第 二子像素和第三子像素中的至少一个中设置有白色透光区域， 有效提高了显 示基板的透过率， 从而提高了显示装置的透过率。 由于本实施例可提高显示 装置的透过率， 因此在本实施例的显示装置的整体亮度与已知的显示装置的 整体亮度保持一致的前提下， 可降低背光源的发光亮度。
以上所述仅是本发明的示范性实施方式， 而非用于限制本发明的保护范 围， 本发明的保护范围由所附的权利要求确定。
本申请基于并且要求于 2014 年 1 月 29 日递交的中国专利申请第
201410043962.5号的优先权， 在此全文引用上述中国专利申请公开的内容。

Claims

权利要求书
1、一种显示基板， 包括： 衬底基板和设置于所述衬底基板之上的多个像 素组， 每个所述像素组包括： 四个第一子像素、 四个第二子像素、 四个第三 子像素和四个第四子像素， 所述每个像素组中的子像素成 4 x 4矩阵排列； 在一个所述像素组的四个像素行中，其中一个像素行中所述第一子像素、 所述第二子像素、 所述第三子像素和所述第四子像素依次排列， 其中一个像 素行中所述第二子像素、 所述第三子像素、 所述第四子像素和所述第一子像 素依次排列， 其中一个像素行中所述第四子像素、 所述第一子像素、 所述第 二子像素和所述第三子像素依次排列， 其中一个像素行中所述第三子像素、 所述第四子像素、 所述第一子像素和所述第二子像素依次排列。
2、 根据权利要求 1所述的显示基板， 其中
依次排列的所述第一子像素、 所述第二子像素、 所述第三子像素和所述 第四子像素位于第一个像素行中， 依次排列的所述第二子像素、 所述第三子 像素、 所述第四子像素和所述第一子像素位于第二个像素行中， 依次排列的 所述第四子像素、 所述第一子像素、 所述第二子像素和所述第三子像素位于 第三个像素行中， 依次排列的所述第三子像素、 所述第四子像素、 所述第一 子像素和所述第二子像素位于第四个像素行中； 或者
依次排列的所述第一子像素、 所述第二子像素、 所述第三子像素和所述 第四子像素位于第一个像素行中， 依次排列的所述第三子像素、 所述第四子 像素、 所述第一子像素和所述第二子像素位于第二个像素行中， 依次排列的 所述第四子像素、 所述第一子像素、 所述第二子像素和所述第三子像素位于 第三个像素行中， 依次排列的所述第二子像素、 所述第三子像素、 所述第四 子像素和所述第一子像素位于第四个像素行中。
3、根据权利要求 1或 2所述的显示基板， 其中所述第一子像素、所述第 二子像素和所述第三子像素中的至少一个中设置有白色透光区域。
4、根据权利要求 3所述的显示基板，其中全部所述第一子像素和所述第 二子像素中设置有所述白色透光区域。
5、根据权利要求 3所述的显示基板，其中所述第一子像素和所述第二子 像素中均设置有白色透光区域， 并且相邻的所述第一子像素和所述第二子像 素中设置的白色透光区域在像素行方向上的投影不相互重叠。
6、根据权利要求 4所述的显示基板，其中所述第二子像素和所述第三子 像素中均设置有白色透光区域， 并且相邻的所述第二子像素和所述第三子像 素中设置的白色透光区域在像素行方向上的投影不相互重叠。
7、根据权利要求 3所述的显示基板，其中全部所述第二子像素中设置有 所述白色透光区域。
8、 根据权利要求 2所述的显示基板， 包括按 2 x 4矩阵排列的八个像素 组， 其中相邻的两个像素组形成一个区域； 沿矩阵对角线设置的两个区域中 的全部所述第一子像素和所述第二子像素中设置有所述白色透光区域。
9、根据权利要求 3所述的显示基板，其中所述白色透光区域为相对于像 素行方向呈倾斜设置的条状区域。
10、 根据权利要求 3所述的显示基板， 其中所述白色透光区域为与像素 行方向平行设置的条状区域。
11、根据权利要求 10所述的显示基板，其中白色透光区域在像素列方向 上的长度大于 0且小于或等于所述子像素在像素列方向上的长度的 1/3。
12、根据权利要求 1至 11任一所述的显示基板，其中所述第一子像素为 红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素， 所述第四子像素为白色子像素。
13、 一种显示装置， 包括权利要求 1至 12任一所述的显示基板。
14、根据权利要求 13所述的显示装置，还包括对置基板， 所述显示基板 为彩膜基板， 所述对置基板为阵列基板。
15、 一种显示基板的制造方法， 包括：
在衬底基板之上形成多个像素组， 每个像素组包括： 四个第一子像素、 四个第二子像素、 四个第三子像素和四个第四子像素， 每个像素组中的子像 素成 4 x 4 矩阵排列； 在一个所述像素组的四个像素行中， 其中一个像素行 中所述第一子像素、 所述第二子像素、 所述第三子像素和所述第四子像素依 次排列， 其中一个像素行中所述第二子像素、 所述第三子像素、 所述第四子 像素和所述第一子像素依次排列， 其中一个像素行中所述第四子像素、 所述 第一子像素、 所述第二子像素和所述第三子像素依次排列， 其中一个像素行 中所述第三子像素、 所述第四子像素、 所述第一子像素和所述第二子像素依 次排列。
16、如权利要求 15所述的制造方法，还包括在所述第一子像素、 所述第 二子像素和所述第三子像素中的至少一个中形成白色透光区域。
17、如权利要求 16所述的制造方法，其中所述白色透光区域为相对于像 素行方向呈倾斜设置的条状区域。
18、如权利要求 16所述的制造方法，其中所述白色透光区域为与像素行 方向平行设置的条状区域。
19、 如权利要求 15至 18任一所述的制造方法， 其中所述第一子像素为 红色子像素，所述第二子像素为蓝色子像素，所述第三子像素为绿色子像素， 所述第四子像素为白色子像素。
20、 如权利要求 15至 19任一所述的制造方法， 还包括在衬底基板上形 成围绕每个子像素的黑矩阵。
PCT/CN2014/081580 2014-01-29 2014-07-03 显示基板及其制造方法和显示装置 Ceased WO2015113375A1 (zh)

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