WO2022188421A1 - 显示基板、彩膜基板、显示面板及显示装置 - Google Patents

显示基板、彩膜基板、显示面板及显示装置 Download PDF

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Publication number
WO2022188421A1
WO2022188421A1 PCT/CN2021/126214 CN2021126214W WO2022188421A1 WO 2022188421 A1 WO2022188421 A1 WO 2022188421A1 CN 2021126214 W CN2021126214 W CN 2021126214W WO 2022188421 A1 WO2022188421 A1 WO 2022188421A1
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Prior art keywords
color
area
sub
substrate
base substrate
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PCT/CN2021/126214
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English (en)
French (fr)
Inventor
陈祯祐
卢鹏程
朱志坚
陈小川
Original Assignee
京东方科技集团股份有限公司
云南创视界光电科技有限公司
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Priority to US17/914,664 priority Critical patent/US20230117098A1/en
Publication of WO2022188421A1 publication Critical patent/WO2022188421A1/zh

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/351—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/126—Shielding, e.g. light-blocking means over the TFTs
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]

Definitions

  • the present application relates to the field of display technology, and in particular, to a display substrate, a color filter substrate, a display panel and a display device.
  • the display substrate includes a plurality of sub-pixels, and the colors of light emitted by the plurality of sub-pixels are different, so that the display substrate displays a color image.
  • the present application provides a display substrate, a color filter substrate, a display panel and a display device, and the technical solutions are as follows:
  • a display substrate comprising:
  • the area of the orthographic projection of the first opening area of the first sub-pixel on the first base substrate is smaller than the area of the second opening area of the second sub-pixel on the first base substrate
  • the area of the orthographic projection is smaller than the area of the orthographic projection of the third opening area of the third sub-pixel on the first base substrate.
  • the first color is red
  • the second color is blue
  • the third color is green
  • the area of the orthographic projection of the second opening area on the first base substrate is the same as the area of the orthographic projection of the third opening area on the first base substrate;
  • the shape of the orthographic projection of the second opening area on the first base substrate is the same as the shape of the orthographic projection of the third opening area on the first base substrate.
  • the plurality of second sub-pixels and the plurality of third sub-pixels are arranged in an array, and there is a first space between the opening regions of two adjacent sub-pixels in the target direction, and the The orthographic projection of an opening area on the first base substrate is located within the orthographic projection of the first spacing area on the first base substrate;
  • the color of the light emitted by the two adjacent sub-pixels includes at least one of the second color and the third color.
  • the shape of the orthographic projection of the second opening area on the first base substrate and the shape of the orthographic projection of the third opening area on the first base substrate are both hexagonal
  • the shape of the orthographic projection of the first opening area on the first base substrate is a rhombus.
  • the side length of the hexagon is greater than or equal to the side length of the rhombus.
  • the area of the orthographic projection of the second opening area on the first base substrate is less than or equal to 3 times the area of the orthographic projection of the first opening area on the first base substrate .
  • the shape of the orthographic projection of the first opening area on the first base substrate, the shape of the orthographic projection of the second opening area on the first base substrate, and the The shapes of the orthographic projections of the three opening regions on the first base substrate are all hexagons.
  • the display substrate further includes: a black matrix, and the black matrix is located in the second spacing area.
  • the boundary lines of any two adjacent opening areas overlap.
  • the display substrate further includes: a plurality of fourth sub-pixels located on the first base substrate, and the color of the light emitted by the fourth sub-pixels is a fourth color;
  • the area of the orthographic projection of the fourth opening area of the fourth sub-pixel on the first base substrate is smaller than the area of the orthographic projection of the second opening area on the first base substrate, and is smaller than the area of the orthographic projection of the second opening area on the first base substrate The area of the orthographic projection of the third opening area on the first base substrate.
  • the fourth color is white.
  • each sub-pixel included in the display substrate includes two stacked light-emitting units.
  • a color filter substrate in another aspect, includes:
  • the wavelength of the light of the first color is greater than the wavelength of the light of the second color, and is greater than the wavelength of the light of the third color;
  • the area of the orthographic projection of the first color resist block on the first base substrate is smaller than the area of the orthographic projection of the second color resist block on the first base substrate, and is smaller than all the area of the orthographic projection of the third color resist block on the first base substrate;
  • a display panel in another aspect, includes the display substrate according to the above aspect, or the display panel includes: an array substrate and the color filter substrate according to the above aspect.
  • a display device in yet another aspect, includes a power supply assembly and the display panel according to the above aspect;
  • the power supply assembly is used for supplying power to the display panel.
  • FIG. 1 is a schematic structural diagram of a display substrate provided by an embodiment of the present application.
  • FIG. 2 is a top view of the display substrate shown in FIG. 1;
  • FIG. 3 is a schematic diagram showing the relationship between the viewing angle and the brightness of the light of each color after the display substrate provided by the embodiment of the present application is not used;
  • FIG. 4 is a schematic diagram of a second sub-pixel and a third sub-pixel provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another display substrate provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of another display substrate provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a first sub-pixel, a second sub-pixel and a third sub-pixel provided by an embodiment of the present application;
  • FIG. 8 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • 17 is a schematic diagram showing the relationship between the viewing angle and the brightness of the light of each color after using the display substrate provided by the embodiment of the present application;
  • FIG. 18 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • FIG. 19 is a schematic structural diagram of a sub-pixel provided by an embodiment of the present application.
  • FIG. 20 is a schematic structural diagram of a color filter substrate provided by an embodiment of the present application.
  • FIG. 21 is a top view of the color filter substrate shown in FIG. 20;
  • 22 is a schematic diagram of light emitted by a display substrate provided by an embodiment of the present application.
  • 23 is a schematic diagram of light emitted by another display substrate provided by an embodiment of the present application.
  • FIG. 24 is a schematic structural diagram of another color filter substrate provided by an embodiment of the present application.
  • FIG. 25 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • FIG. 26 is a schematic structural diagram of another display panel provided by an embodiment of the present application.
  • FIG. 27 is a schematic structural diagram of another display panel provided by an embodiment of the present application.
  • FIG. 28 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a display substrate provided by an embodiment of the present application.
  • the display substrate 10 may include: a first base substrate 101 , a plurality of first sub-pixels 102 , a plurality of second sub-pixels 103 and a plurality of first sub-pixels 102 located on the first base substrate 101 .
  • Three sub-pixels 104 FIG. 1 shows a first sub-pixel 102 , a second sub-pixel 103 and a third sub-pixel 104 .
  • the color of the light emitted by the first sub-pixel is the first color
  • the color of the light emitted by the second sub-pixel is the second color
  • the color of the light emitted by the third sub-pixel is the third color.
  • the wavelength of the light of the first color may be greater than the wavelength of the light of the second color and greater than the wavelength of the light of the third color.
  • FIG. 2 is a plan view of the display substrate shown in FIG. 1 .
  • the area of the orthographic projection of the first opening area 102a of the first sub-pixel 102 on the first base substrate 101 is smaller than that of the second opening area 103a of the second sub-pixel 103 on the first base substrate The area of the orthographic projection on 101.
  • the area of the orthographic projection of the first opening area 102a of the first sub-pixel 102 on the first base substrate 101 is smaller than the orthographic projection area of the third opening area 104a of the third sub-pixel 104 on the first base substrate 101 area.
  • the area of the orthographic projection of the first opening area 102a of the first sub-pixel 102 on the first base substrate 101 may be smaller, while the second opening area 103a of the second sub-pixel 103 is on the first base substrate
  • the area of the orthographic projection on 101 and the area of the orthographic projection of the third opening region 104a of the third sub-pixel 104 on the first base substrate 101 may be larger.
  • the opening area of the sub-pixel refers to an area where the light emitted by the sub-pixel can be emitted from the display substrate 10 .
  • the intensity of the light with a larger wavelength (the light of the first color) is relative to the light of the smaller wavelength (the light of the second color)
  • the difference between the intensities is large, which may cause the color viewed by the user to be biased towards the color corresponding to the light with a larger wavelength. That is, when the viewing angle of the user is large, the display panel may have a color shift. Based on the above reasons, when the viewing angle of the user is large, the possibility of color shift of the display panel can be reduced by reducing the intensity of light with a large wavelength.
  • the area of the orthographic projection of the first opening region 102a of the first sub-pixel 102 of the first color on the first base substrate 101 is designed to be small, which can reduce the output of the display substrate.
  • the proportion of the light of the first color in the light so that the intensity of the light of the first color is small, thereby avoiding the color shift of the display substrate.
  • the embodiments of the present application provide a display substrate. Since the orthographic projection area of the first opening area of the first sub-pixel in the display substrate on the first substrate is small, the The area of the orthographic projection of the second opening area on the first substrate and the area of the orthographic projection of the third opening area of the third sub-pixel on the first substrate are larger, so the first sub-pixel emits Less light, and more light from the second subpixel and more light from the third subpixel. In addition, since the wavelength of the first color is relatively large, and the proportion of light of the first color in the light emitted from the display substrate is relatively small, the color shift of the display panel can be avoided, and the display effect of the display panel is better.
  • the first color may be red
  • the second color may be blue
  • the third color may be green
  • the area of the orthographic projection of the second opening area 103a of the second sub-pixel 103 on the first base substrate 101 is the same as the area of the orthographic projection of the third opening area 104a of the third sub-pixel 104 on the first base substrate
  • the area of the orthographic projection on 101 is the same.
  • the shape of the orthographic projection of the second opening area 103a of the second sub-pixel 103 on the first base substrate 101 is the same as the shape of the orthographic projection of the third opening area 104a of the third sub-pixel 104 on the first base substrate 101 same.
  • the area of the orthographic projection of the second opening area 103 a of the second sub-pixel 103 on the first base substrate 101 may be smaller than or equal to the area of the first opening area 102 a of the first sub-pixel 102 on the first base substrate 101 . 3 times the area of the orthographic projection on it.
  • the area of the orthographic projection of the second opening region 103a of the second sub-pixel 103 on the first substrate 101 is the same as the orthographic projection of the third opening region 104a of the third sub-pixel 104 on the first substrate 101 area can vary.
  • the shape of the orthographic projection of the second opening area 103a of the second sub-pixel 103 on the first base substrate 101 is the same as that of the orthographic projection of the third opening area 104a of the third sub-pixel 104 on the first base substrate 101 can vary in shape.
  • This embodiment of the present application does not make the relationship between the area and shape of the orthographic projection of the second opening region 103a of the second sub-pixel 103 and the third opening region 104a of the third sub-pixel 104 on the first base substrate 101 . limited.
  • FIG. 4 is a schematic diagram of a plurality of second sub-pixels and a plurality of third sub-pixels provided by an embodiment of the present application.
  • a plurality of second sub-pixels 103 and a plurality of third sub-pixels 104 are arranged in an array, and there is a first space area AA between the opening areas of two adjacent sub-pixels in the target direction X.
  • the orthographic projection of the first opening area 102 a of the first sub-pixel 102 on the first base substrate 101 is located within the orthographic projection of the first spacing area AA on the first base substrate 101 .
  • the color of the light emitted by the adjacent two sub-pixels includes at least one of a second color and a third color.
  • the second sub-pixels 103 and the third sub-pixels 104 are arranged in a staggered manner.
  • the second sub-pixels 103 and the third sub-pixels 104 are staggered.
  • the second sub-pixels 103 and the third sub-pixels 104 are alternately arranged.
  • the direction perpendicular to the target direction X is the pixel column direction.
  • the plurality of sub-pixels in each column only include sub-pixels of one color.
  • the sub-pixels in the first column are all second sub-pixels 103 of the second color
  • the sub-pixels in the second column are all the third sub-pixels 104 of the third color.
  • the plurality of sub-pixels in each row only include sub-pixels of one color.
  • the sub-pixels in the first row are all second sub-pixels 103 of the second color
  • the sub-pixels in the second row are all the third sub-pixels 104 of the third color.
  • the shape of the orthographic projection of the second opening area 103 a of the second sub-pixel 103 on the first base substrate 101 and the shape of the orthographic projection of the third sub-pixel 104 may all be hexagonal, and the shape of the orthographic projection of the first opening region 102a of the first sub-pixel 102 on the first base substrate 101 is a rhombus .
  • the side length of the hexagon may be greater than or equal to the side length of the rhombus.
  • the boundary lines of any two adjacent opening regions overlap.
  • four opening areas in the plurality of second opening areas 103a and the plurality of third opening areas 104a may enclose a first spaced area AA, and the shape of the first spaced area AA is a rhombus.
  • the area of the orthographic projection of the first opening area 102 a on the first base substrate 101 may be equal to the area of the orthographic projection of the first spacing area AA on the first base substrate 101 . That is, the first opening area 102a overlaps with the boundary line of the adjacent second opening area 103a or the adjacent third opening area 104a.
  • the side length of the hexagon is equal to the side length of the rhombus.
  • any two adjacent opening areas Boundary lines overlap. Therefore, there can be no space between any two adjacent opening regions, and the display substrate 10 does not need to be provided with a black matrix.
  • the area S1 of the hexagon satisfies:
  • the area S2 of the rhombus satisfies: According to the area S1 of the hexagon and the area S2 of the rhombus, the area of the hexagon may be three times the area of the rhombus.
  • the area of the orthographic projection of the second opening area 103 a on the first base substrate 101 and the orthographic projection of the third opening area 104 a on the first base substrate 101 The area is 3 times the area of the orthographic projection of the first opening region 102 a on the first base substrate 101 .
  • boundary lines of some two adjacent opening areas do not overlap in the plurality of first opening areas 102a, the plurality of second opening areas 103a, and the plurality of third opening areas 104a, the boundary lines of the two adjacent opening areas may not overlap.
  • a black matrix is arranged in the spaced area between adjacent color resist blocks, so as to prevent light from being exposed from the spaced area between the two adjacent opening areas.
  • the boundary lines of any two adjacent opening regions overlap. If the area of the orthographic projection of the first opening area 102a on the first base substrate 101 is smaller than the area of the orthographic projection of the first spacing area AA on the first base substrate 101, the first opening area 102a is adjacent to it There may be spaced regions between at least one of the opening regions. In this case, the side length of the hexagon is greater than the side length of the rhombus.
  • at least one opening area adjacent to the first opening area 102a includes: at least one second opening area 103a and/or at least one third opening area 104a.
  • the shape of the orthographic projection of 104a on the first base substrate 101 may also be other shapes.
  • the shape of the orthographic projection of the first opening area 102a on the first base substrate 101, the shape of the orthographic projection of the second opening area 103a on the first base substrate 101, and the shape of the orthographic projection of the third opening area 104a on the first base substrate 101 may all be hexagons.
  • the display substrate 10 may further include a black matrix 105, and the black matrix 105 may be located in the second spacer region BB. Therefore, the exposure of light from the second spaced region BB can be avoided, and the display effect of the display substrate can be ensured.
  • the shape of the orthographic projection of the second opening area 103a on the first base substrate 101 and the shape of the orthographic projection of the third opening area 104a on the first base substrate 101 may both be decagons .
  • the shape of the orthographic projection of the first opening region 102 a on the first base substrate 101 is a four-pointed star.
  • the shape of the orthographic projection of the second opening region 103a on the first base substrate 101 and the shape of the orthographic projection of the third opening region 104a on the first base substrate 101 may both be cross-shaped .
  • the shape of the orthographic projection of the first opening area 102a on the first base substrate 101 is a quadrilateral.
  • the shape of the orthographic projection of the second opening region 103 a on the first base substrate 101 and the shape of the orthographic projection of the third opening region 104 a on the first base substrate 101 may both be pentagonal shape.
  • the shape of the orthographic projection of the first opening region 102 a on the first base substrate 101 is an irregular shape.
  • the shape of the orthographic projection of the second opening region 103a on the first base substrate 101 and the shape of the orthographic projection of the third opening region 104a on the first base substrate 101 may be heptagons .
  • the shape of the orthographic projection of the first opening area 102a on the first base substrate 101 is an irregular shape.
  • the display substrate 10 may further include: a plurality of fourth sub-pixels 106 located on the first base substrate 101 , and the color of the light emitted by the fourth sub-pixels 106 is the first sub-pixel 106 .
  • the area of the orthographic projection of the fourth opening area 106a of the fourth sub-pixel 106 on the first base substrate 101 is smaller than the area of the orthographic projection of the second opening area 103a of the second sub-pixel 103 on the first base substrate 101 , and is smaller than the orthographic projection area of the third opening region 104 a of the third sub-pixel 104 on the first base substrate 101 .
  • the fourth color may be white. That is, the color of the light emitted by the fourth sub-pixel 106 is white. Therefore, the brightness of the display substrate can be improved, and the display effect of the display substrate can be ensured. For example, assuming that the transmittance of the fourth sub-pixel is K, the brightness of the display substrate can be increased by a factor of K/4.
  • a plurality of second sub-pixels 103 and a plurality of third sub-pixels 104 are arranged in an array, and there is a first spacer area AA between the opening areas of two adjacent sub-pixels in the target direction X.
  • the first opening areas 102a of the first sub-pixels 102 The orthographic projection on the first base substrate 101 may be located in the orthographic projection of the first spacer area AA of the first part on the first base substrate 101, and the fourth opening area 106a of the fourth sub-pixel 106 is on the first base substrate.
  • the orthographic projection on 101 may be located within the orthographic projection of the first spacing area AA of the second portion on the first base substrate 101 .
  • the colors of the two adjacent sub-pixels include at least one of the second color and the third color.
  • the target direction X and the direction perpendicular to the target direction X there may be one fourth subpixel 106 between two adjacent first subpixels 102 , and two adjacent fourth subpixels 106 .
  • FIG. 15 in the direction X perpendicular to the target, there may be a fourth sub-pixel 106 between two adjacent first sub-pixels 102 , and there may be a fourth sub-pixel 106 between two adjacent fourth sub-pixels 106 A first sub-pixel 102 .
  • FIG. 16 in the target direction X, there may be one fourth subpixel 106 between two adjacent first subpixels 102 , and one fourth subpixel 106 between two adjacent fourth subpixels 106 The first sub-pixel 102 .
  • FIG. 17 is a schematic diagram illustrating the relationship between the viewing angle of light of each color and the brightness after the display substrate provided by the embodiment of the present application is used.
  • the intensity of the light with a larger wavelength (the light of the first color) is larger than that of the light with a smaller wavelength (the light of the second color)
  • the difference is small, so that the color viewed by the user can be prevented from being biased towards the color corresponding to the light with a larger wavelength. That is, when the viewing angle of the user is larger, the display panel is less likely to have color shift.
  • FIG. 18 is a schematic structural diagram of still another display substrate provided by an embodiment of the present application.
  • the display substrate may include: a transistor device layer c1, a planarization layer (PLN) c2, a first electrode layer c3, a pixel definition layer (PDL) c4, a light-emitting layer c5, A second electrode layer c6, and an encapsulation film layer (thin-film encapsulation, TFE) c7.
  • PPN planarization layer
  • PDL pixel definition layer
  • TFE encapsulation film layer
  • the pixel circuits of the plurality of first sub-pixels 102 , the pixel circuits of the plurality of second sub-pixels 103 and the pixel circuits of the plurality of third sub-pixels 104 are all located in the transistor device layer c1 .
  • the first electrode layer c3 may include a plurality of electrode patterns c31, and the light-emitting layer c5 may include a plurality of light-emitting patterns c51 corresponding to the plurality of electrode patterns c31 one-to-one.
  • the first electrode layer c3 may be an anode layer (anode)
  • the second electrode layer c7 may be a cathode layer (cathode).
  • the encapsulation film layer c7 may be used to encapsulate the film layer between the first base substrate 101 and the encapsulation film layer c7 to prevent the entry of water vapor or oxygen.
  • each electrode pattern c31 , the light-emitting pattern c51 corresponding to the electrode pattern c31 , and the second electrode layer c6 may constitute one light-emitting unit of one sub-pixel.
  • FIG. 19 is a schematic structural diagram of a sub-pixel provided by an embodiment of the present application. Referring to FIG. 19 , it can be seen that the sub-pixel may include two stacked light-emitting units b, and a charge generation layer (CGL) e located between the two light-emitting units b. Since each sub-pixel includes two stacked light-emitting units b, the brightness of the display panel can be improved.
  • CGL charge generation layer
  • the sub-pixels may also include a larger number of stacked light-emitting units b.
  • a sub-pixel may include three stacked light-emitting units b, and the embodiment of the present application does not limit the number of light-emitting units b included in the sub-pixel.
  • the light-emitting unit b may be an organic light-emitting diode (organic light-emitting diode, OLED). 19, each light-emitting unit b may include: electrode patterns b1 stacked in sequence along a direction away from the first base substrate 101, a hole injection layer (HIL) b2, a hole transport layer (hole transport layer (HTL) b3, light emitting pattern b4, hole block layer (HBL) b5, electron transport layer (ETL) b6, electron injection layer (EIL) b7, and cathode Layer b8.
  • HIL hole injection layer
  • HTL hole transport layer
  • HBL hole block layer
  • ETL electron transport layer
  • EIL electron injection layer
  • the aperture ratio of the sub-pixels may range from 10% to 40%.
  • the aperture ratio of the sub-pixel may be equal to the area of the electrode pattern b1 of the sub-pixel divided by the area of the sub-pixel.
  • the embodiments of the present application provide a display substrate. Since the orthographic projection area of the first opening area of the first sub-pixel in the display substrate on the first substrate is small, the The area of the orthographic projection of the second opening area on the first substrate and the area of the orthographic projection of the third opening area of the third sub-pixel on the first substrate are larger, so the first sub-pixel emits Less light, and more light from the second subpixel and more light from the third subpixel. In addition, since the wavelength of the first color is relatively large, and the proportion of light of the first color in the light emitted by the display substrate is relatively small, the color shift of the display panel can be avoided, and the display effect of the display panel is better.
  • FIG. 20 is a schematic structural diagram of a color filter substrate provided by an embodiment of the present application.
  • the color filter substrate 20 may include: a second base substrate 201, and a plurality of first color resist blocks 202 of a first color located on the second base substrate 201, a plurality of second color blocks 202 The second color resist block 203 and a plurality of third color resist blocks 204 of the third color.
  • FIG. 20 shows a first color resist block 202 , a second color resist block 203 and a third color resist block 204 .
  • the wavelength of the light of the first color may be greater than the wavelength of the light of the second color and greater than the wavelength of the light of the third color.
  • FIG. 21 is a top view of the color filter substrate shown in FIG. 20 .
  • the area of the orthographic projection of the first color resist block 202 on the second base substrate 201 is smaller than the area of the orthographic projection of the second color resist block 203 on the second base substrate 201 .
  • the area of the orthographic projection of the first color resist block 202 on the second base substrate 201 is smaller than the area of the orthographic projection of the third color resist block 204 on the second base substrate 201 .
  • the area of the orthographic projection of the first color resist block 202 on the second base substrate 201 may be smaller, while the area of the orthographic projection of the second color resist block 203 on the second base substrate 201, and the The area of the orthographic projection of the three color resist blocks 204 on the second base substrate 201 may be larger.
  • the target direction X there is at least one second color resist block 203 and/or at least one third color resist block 204 between two adjacent first color resist blocks 202 in the target direction X. That is, there may be at least one color resist block between two adjacent first color resist blocks 202 in the target direction X, and the at least one color resist block may include the second color resist block 203 and the third color resist block. at least one of blocks 204 .
  • the target direction X may be the pixel row direction.
  • the area of the orthographic projection of the first color resist block 202 on the second base substrate 201 is small, and when the user's viewing angle is small, the light entering the user's eyes can pass normally from the first color resist block 202 shoot.
  • the orthographic projection area of the first color blocking block 202 on the second base substrate 201 is small, when the user's viewing angle is large, the first color blocking block 202 should enter the user's The light from the eyes may enter from the adjacent second color resist block 203 or the third color resist block 204 .
  • the viewing angle of the user refers to the included angle between the line of sight of the user and a plane perpendicular to the bearing surface of the second base substrate.
  • the light that should enter the user's eyes from the second color blocking block 203 will still enter from the second color blocking block 203, which should be from the third color blocking block 203.
  • the light entering the user's eyes from the color blocking block 204 will still enter from the third color blocking block 204 . That is, since the area of the orthographic projection of the second color resist block 203 on the second base substrate 201 and the area of the orthographic projection of the third color resist block 204 on the second base substrate 201 are both large, the The light emitted from the second color resist block 203 or the third color resist block 204 has an influence.
  • the embodiments of the present application provide a color filter substrate, in which the first color resist block of the color filter substrate has a small orthographic projection area on the second base substrate, and the second color resist block is located on the second base substrate.
  • the area of the orthographic projection on the base substrate and the area of the orthographic projection of the third color resist block on the second base substrate are both larger, so less light is emitted from the first color resist block, and less light is emitted from the second color resist block.
  • the light emitted from the color blocking block and the light emitted from the third color blocking block are more. Therefore, the proportion of the light of the first color in the light emitted by the display panel is small, so that the color shift of the display panel is avoided, and the display effect of the display panel is better.
  • the color filter substrate 20 may further include a plurality of fourth color resist blocks 205 of the fourth color located on the second base substrate 202 .
  • the area of the orthographic projection of the fourth color resist block 205 on the second base substrate 201 is smaller than the area of the orthographic projection of the second color resist block 203 on the second base substrate 201 , and is smaller than that of the third color resist block 204 on the second base substrate 201 .
  • the area of the orthographic projection on the second base substrate 201 may be white.
  • the first color blocking block 202 in the color filter substrate 20 may correspond to the first sub-pixel 102 in the display substrate 10
  • the second color blocking block 203 in the color filter substrate 20 may correspond to the second color blocking block 203 in the display substrate 10
  • the third color blocking block 204 in the color filter substrate 20 may correspond to the third sub-pixel 104 in the display substrate 10
  • the fourth color blocking block 205 in the color filter substrate 20 may correspond to the fourth sub-pixel in the display substrate 10 .
  • 106 corresponds.
  • each color blocking block in the color filter substrate 20 may be respectively the same as the shape and size of the opening area of the corresponding sub-pixel in the display substrate 10 . That is, the shape and size of the first color resist block 202 in the color filter substrate 20 may be the same as the shape and size of the first opening area 102a of the first sub-pixel 102 in the display substrate 10, respectively. The shape and size of the second color resist block 203 in the color filter substrate 20 may be the same as the shape and size of the second opening area 103 a of the second sub-pixel 103 in the display substrate 10 , respectively.
  • the shape and size of the third color blocking block 204 in the color filter substrate 20 may be the same as the shape and size of the third opening area 104 a of the third sub-pixel 104 in the display substrate 10 , respectively.
  • the shape and size of the fourth color blocking block 205 in the color filter substrate 20 may be the same as the shape and size of the fourth opening area 106a of the fourth sub-pixel 106 in the display substrate 10, respectively.
  • the arrangement of the color resist blocks included in the color filter substrate 20 may match the arrangement of the sub-pixels in the display substrate 10 . Therefore, for the arrangement of the color resist blocks in the color filter substrate 20 , reference may be made to the arrangement of the sub-pixels in FIGS. 2 , 5 , 6 , and FIGS. 8 to 16 . Wherein, the first sub-pixel in FIG. 2, FIG. 5, FIG. 6, and FIG. 8 to FIG. 16 can be replaced by the first color resist block, the second sub-pixel can be replaced by the second color resist block, and the third sub-pixel can be replaced by The third color blocking block and the fourth sub-pixel are replaced with the fourth color blocking block, so that the drawings of multiple color filter substrates can be obtained. In addition, for the arrangement of the color resist blocks in the color filter substrate, reference may be made to the above description of the arrangement of the sub-pixels in the display substrate, which will not be repeated in this embodiment of the present application.
  • the embodiments of the present application provide a color filter substrate, in which the first color resist block of the color filter substrate has a small orthographic projection area on the second base substrate, and the second color resist block is located on the second base substrate.
  • the area of the orthographic projection on the base substrate and the area of the orthographic projection of the third color resist block on the second base substrate are both larger, so less light is emitted from the first color resist block, and less light is emitted from the second color resist block.
  • the light emitted from the color blocking block and the light emitted from the third color blocking block are more. Therefore, the proportion of the light of the first color in the light emitted by the display panel is small, so that the color shift of the display panel is avoided, and the display effect of the display panel is better.
  • FIG. 25 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • the display panel 01 may include: the display substrate 10 provided in the above embodiments.
  • the display panel 01 may further include: a gate driving circuit 30 and a source driving circuit 40 .
  • the gate driving circuit 30 can be connected to each row of sub-pixels in the display substrate through gate lines, and is used to provide gate driving signals for each row of sub-pixels.
  • the source driving circuit 40 can be connected to each column of sub-pixels in the display substrate 10 through a data line, so as to provide data signals for each column of sub-pixels.
  • FIG. 26 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • the display panel 01 may include an array substrate 50 and the color filter substrate 20 provided in the above-mentioned embodiment.
  • the display panel 01 may also include: a gate driving circuit 30 and a source driving circuit 40 . This embodiment of the present application will not be repeated here.
  • FIG. 27 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • the display panel 01 may include the display substrate 10 provided in the foregoing embodiment and the color filter substrate 20 provided in the foregoing embodiment.
  • the color filter substrate 20 may further include: a buffer layer (buffer) 206 located on the second base substrate 201 .
  • the first color resist block 202 , the second color resist block 203 and the third color resist block 204 may be located on a side of the buffer layer 206 away from the second base substrate 201 .
  • the display panel 01 may further include: an adhesive layer 60 , a microlens 70 and a polarizing layer 80 .
  • the adhesive layer 60 can be used to fix the display substrate 10 and the color filter substrate 20 .
  • the microlenses 70 can be used to transmit the light emitted by the sub-pixels.
  • the polarizing layer 80 can be used to adjust the light emitted by the sub-pixels into polarized light.
  • the display panel 01 may also include: a gate driving circuit 30 and a source driving circuit 40 . This embodiment of the present application will not be repeated here.
  • the embodiment of the present application provides a display panel, in which the proportion of light of the first color in the light emitted from the display panel is small, so that the color shift of the display panel is avoided, and the display effect of the display panel is better.
  • FIG. 28 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • the display device 00 may include a power supply assembly 02 and the display panel 01 provided in the above-mentioned embodiments.
  • the power supply assembly 02 can be used to supply power to the display panel 01 .
  • the display device may be any product or component with a display function, such as an OLED display device, a liquid crystal display device, electronic paper, a mobile phone, a tablet computer, a TV, a monitor, a notebook computer, a digital photo frame, or a navigator.
  • a display function such as an OLED display device, a liquid crystal display device, electronic paper, a mobile phone, a tablet computer, a TV, a monitor, a notebook computer, a digital photo frame, or a navigator.

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Abstract

本申请公开了一种显示基板、彩膜基板、显示面板及显示装置，涉及显示技术领域。由于显示基板中的第一子像素的第一开口区在第一衬底基板上的正投影的面积较小，第二子像素的第二开口区在第一衬底基板上的正投影的面积以及第三子像素的第三开口区在第一衬底基板上的正投影的面积均较大，因此该第一子像素发出的光线较少，而第二子像素发出的光线以及第三子像素发出的光线较多。并且，由于第一颜色的波长较大，且显示基板射出的光线中第一颜色的光线比例较小，因此可以避免显示面板产生色偏，显示面板的显示效果较好。

Description

显示基板、彩膜基板、显示面板及显示装置
本公开要求于2021年3月11日提交的申请号为202110265207.1、发明名称为“显示基板、彩膜基板、显示面板及显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本申请涉及显示技术领域，特别涉及一种显示基板、彩膜基板、显示面板及显示装置。
背景技术
显示基板包括多个子像素，多个子像素发出的光线的颜色不同，以使得显示基板显示彩色图像。
发明内容
本申请提供了一种显示基板、彩膜基板、显示面板及显示装置，所述技术方案如下：
一方面，提供了一种显示基板，所述显示基板包括：
第一衬底基板；
以及，位于所述第一衬底基板上的多个第一子像素，多个第二子像素，以及多个第三子像素，所述第一子像素发出的第一颜色的光线的波长，大于第二子像素发出的第二颜色的光线的波长，且大于所述第三子像素发出的第三颜色的光线的波长；
其中，所述第一子像素的第一开口区在所述第一衬底基板上的正投影的面积，小于所述第二子像素的第二开口区在所述第一衬底基板上的正投影的面积，且小于所述第三子像素的第三开口区在所述第一衬底基板上的正投影的面积。
可选的，所述第一颜色为红色，所述第二颜色为蓝色，所述第三颜色为绿色。
可选的，所述第二开口区在所述第一衬底基板上的正投影的面积，与所述第三开口区在所述第一衬底基板上的正投影的面积相同；
所述第二开口区在所述第一衬底基板上的正投影的形状，与所述第三开口区在所述第一衬底基板上的正投影的形状相同。
可选的，所述多个第二子像素和所述多个第三子像素阵列排布，且在目标方向上相邻的两个子像素的开口区之间具有第一间隔区域，所述第一开口区在所述第一衬底基板上的正投影位于所述第一间隔区域在所述第一衬底基板上的正投影内；
其中，所述相邻的两个子像素发出的光线的颜色包括所述第二颜色和所述第三颜色中的至少一种。
可选的，所述第二开口区在所述第一衬底基板上的正投影的形状以及所述第三开口区在所述第一衬底基板上的正投影的形状均为六边形，所述第一开口区在所述第一衬底基板上的正投影的形状为菱形。
可选的，所述六边形的边长大于或等于所述菱形的边长。
可选的，所述第二开口区在所述第一衬底基板上的正投影的面积小于或等于所述第一开口区在所述第一衬底基板上的正投影的面积的3倍。
可选的，所述第一开口区在所述第一衬底基板上的正投影的形状，所述第二开口区在所述第一衬底基板上的正投影的形状，以及所述第三开口区在所述第一衬底基板上的正投影的形状均为六边形。
可选的，所述第一开口区与其相邻的至少一个开口区之间具有第二间隔区域；
所述显示基板还包括：黑矩阵，所述黑矩阵位于所述第二间隔区域内。
可选的，所述多个第一开口区，所述多个第二开口区以及所述多个第三开口区中，任意相邻的两个开口区的边界线重叠。
可选的，所述显示基板还包括：位于所述第一衬底基板上的多个第四子像素，所述第四子像素发出的光线的颜色为第四颜色；
所述第四子像素的第四开口区在所述第一衬底基板上的正投影的面积小于所述第二开口区在所述第一衬底基板上的正投影的面积，小于所述第三开口区在所述第一衬底基板上的正投影的面积。
可选的，所述第四颜色为白色。
可选的，所述显示基板包括的每个子像素包括层叠的两个发光单元。
另一方面，提供了一种彩膜基板，所述彩膜基板包括：
第二衬底基板；
以及，位于所述第二衬底基板上的多个第一颜色的第一色阻块，与多个第二颜色的第二色阻块，以及多个第三颜色的第三色阻块，所述第一颜色的光线的波长大于所述第二颜色的光线的波长，且大于所述第三颜色的光线的波长；
其中，所述第一色阻块在所述第一衬底基板上的正投影的面积，小于所述第二色阻块在所述第一衬底基板上的正投影的面积，且小于所述第三色阻块在所述第一衬底基板上的正投影的面积；
在所述目标方向上相邻的两个所述第一色阻块之间具有至少一个所述第二色阻块和/或至少一个所述第三色阻块。
又一方面，提供了一种显示面板，所述显示面板包括：如上述方面所述的显示基板，或者所述显示面板包括：阵列基板以及如上述方面所述的彩膜基板。
再一方面，提供了一种显示装置，所述显示装置包括供电组件以及如上述方面所述的显示面板；
所述供电组件用于为所述显示面板供电。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，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的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的一种显示基板的结构示意图；
图2是图1所示的显示基板的俯视图；
图3是未采用本申请实施例提供的显示基板后各个颜色的光线的观察视角与亮度的关系示意图；
图4是本申请实施例提供的一种第二子像素和第三子像素的示意图；
图5是本申请实施例提供的另一种显示基板的结构示意图；
图6是本申请实施例提供的又一种显示基板的结构示意图；
图7是本申请实施例提供的一种第一子像素，第二子像素以及第三子像素的示意图；
图8是本申请实施例提供的再一种显示基板的结构示意图；
图9是本申请实施例提供的再一种显示基板的结构示意图；
图10是本申请实施例提供的再一种显示基板的结构示意图；
图11是本申请实施例提供的再一种显示基板的结构示意图；
图12是本申请实施例提供的再一种显示基板的结构示意图；
图13是本申请实施例提供的再一种显示基板的结构示意图；
图14是本申请实施例提供的再一种显示基板的结构示意图；
图15是本申请实施例提供的再一种显示基板的结构示意图；
图16是本申请实施例提供的再一种显示基板的结构示意图；
图17是采用本申请实施例提供的显示基板后各个颜色的光线的观察视角与亮度的关系示意图；
图18是本申请实施例提供的再一种显示基板的结构示意图；
图19是本申请实施例提供的一种子像素的结构示意图；
图20是本申请实施例提供的一种彩膜基板的结构示意图；
图21是图20所示的彩膜基板的俯视图；
图22是本申请实施例提供一种显示基板发出的光线的示意图；
图23是本申请实施例提供另一种显示基板发出的光线的示意图；
图24是本申请实施例提供的另一种彩膜基板的结构示意图；
图25是本申请实施例提供的一种显示面板的结构示意图；
图26是本申请实施例提供的另一种显示面板的结构示意图；
图27是本申请实施例提供的又一种显示面板的结构示意图；
图28是本申请实施例提供的一种显示装置的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
但是，用户的观看视角较大时，显示面板会产生色偏，显示面板的显示效果较差。
图1是本申请实施例提供的一种显示基板的结构示意图。参考图1可以看出，该显示基板10可以包括：第一衬底基板101，以及位于第一衬底基板101上的多个第一子像素102，多个第二子像素103和多个第三子像素104。图1中示出了一个第一子像素102，一个第二子像素103以及一个第三子像素104。
其中，第一子像素发出的光线的颜色为第一颜色，第二子像素发出的光线 的颜色为第二颜色，第三子像素发出的光线的颜色为第三颜色。该第一颜色的光线的波长可以大于第二颜色的光线的波长，且大于第三颜色的光线的波长。
图2是图1所示的显示基板的俯视图。参考图2可以看出，第一子像素102的第一开口区102a在第一衬底基板101上的正投影的面积，小于第二子像素103的第二开口区103a在第一衬底基板101上的正投影的面积。并且，第一子像素102的第一开口区102a在第一衬底基板101上的正投影的面积，小于第三子像素104的第三开口区104a在第一衬底基板101上的正投影的面积。也即是，第一子像素102的第一开口区102a在第一衬底基板101上的正投影的面积可以较小，而第二子像素103的第二开口区103a在第一衬底基板101上的正投影的面积，以及第三子像素104的第三开口区104a在第一衬底基板101上的正投影的面积可以较大。其中，子像素的开口区是指子像素发出的光线能够从显示基板10射出的区域。
在本申请实施例中，参考图3，在用户的观察视角较大的情况下，波长较大的光线(第一颜色的光线)的强度相对于波长较小的光线(第二颜色的光线)的强度的差值较大，由此可能导致用户观看到的颜色偏向于波长较大的光线对应的颜色。也即是，在用户的观察视角较大时，显示面板可能会产生色偏。基于上述原因，在用户的观察视角较大的情况下，可以通过减少波长较大的光线的强度，降低显示面板产生色偏的可能性。
由于第一颜色的光线的波长较大，因此第一颜色的光线可能会导致显示面板产生色偏。由此，在本申请实施例中，将第一颜色的第一子像素102的第一开口区102a在第一衬底基板101上的正投影的面积设计的较小，可以降低显示基板射出的光线中第一颜色的光线的比例，从而使得该第一颜色的光线的强度较小，进而避免显示基板产生色偏。
综上所述，本申请实施例提供了一种显示基板，由于显示基板中的第一子像素的第一开口区在第一衬底基板上的正投影的面积较小，第二子像素的第二开口区在第一衬底基板上的正投影的面积以及第三子像素的第三开口区在第一衬底基板上的正投影的面积均较大，因此该第一子像素发出的光线较少，而第二子像素发出的光线以及第三子像素发出的光线较多。并且，由于第一颜色的波长较大，且显示基板射出的光线中第一颜色的光线比例较小，因此可以避免显示面板产生色偏，显示面板的显示效果较好。
可选的，该第一颜色可以为红色，第二颜色可以为蓝色，第三颜色可以为 绿色。
在本申请实施例中，第二子像素103的第二开口区103a在第一衬底基板101上的正投影的面积，与第三子像素104的第三开口区104a在第一衬底基板101上的正投影的面积相同。第二子像素103的第二开口区103a在第一衬底基板101上的正投影的形状，与第三子像素104的第三开口区104a在第一衬底基板101上的正投影的形状相同。
可选的，第二子像素103的第二开口区103a在第一衬底基板101上的正投影的面积可以小于或等于第一子像素102的第一开口区102a在第一衬底基板101上的正投影的面积的3倍。
当然，第二子像素103的第二开口区103a在第一衬底基板101上的正投影的面积，与第三子像素104的第三开口区104a在第一衬底基板101上的正投影的面积可以不同。并且，第二子像素103的第二开口区103a在第一衬底基板101上的正投影的形状，与第三子像素104的第三开口区104a在第一衬底基板101上的正投影的形状可以不同。本申请实施例对该第二子像素103的第二开口区103a和第三子像素104的第三开口区104a在第一衬底基板101上的正投影的面积的关系以及形状的关系不做限定。
图4是本申请实施例提供的多个第二子像素和多个第三子像素的示意图。参考图4可以看出，多个第二子像素103和多个第三子像素104阵列排布，且在目标方向X上相邻的两个子像素的开口区之间具有第一间隔区域AA。第一子像素102的第一开口区102a在第一衬底基板101上的正投影位于该第一间隔区域AA在第一衬底基板101上的正投影内。其中，相邻的两个子像素发出的光线的颜色包括第二颜色和第三颜色中的至少一种。
在本申请实施例中，参考图2和图4，在目标方向X以及垂直于目标方向X的方向上，第二子像素103和第三子像素104均交错排布。或者，参考图5，仅在目标方向X上，第二子像素103和第三子像素104交错排布。又或者，参考图6，仅在垂直于目标方向X的方向上，第二子像素103和第三子像素104交错排布。
可选的，假设目标方向X为像素行方向，则垂直于目标方向X的方向为像素列方向。图5中，每一列中多个子像素仅包括一种颜色的子像素。例如，第一列子像素均为第二颜色的第二子像素103，第二列子像素均为第三颜色的第三子像素104。图6中，每一行中多个子像素仅包括一种颜色的子像素。例如，第 一行子像素均为第二颜色的第二子像素103，第二行子像素均为第三颜色的第三子像素104。
在本申请实施例中，参考图1，以及图4至图6，第二子像素103的第二开口区103a在第一衬底基板101上的正投影的形状以及第三子像素104的第三开口区104a在第一衬底基板101上的正投影的形状可以均为六边形，第一子像素102的第一开口区102a在第一衬底基板101上的正投影的形状为菱形。其中，该六边形的边长可以大于或等于菱形的边长。
图4中，多个第二开口区103a和多个第三开口区104a中，任意相邻的两个开口区的边界线重叠。由此，多个第二开口区103a和多个第三开口区104a中的四个开口区可以围成一个第一间隔区域AA，该第一间隔区域AA的形状为菱形。第一开口区102a在第一衬底基板101上的正投影的面积，可以与该第一间隔区域AA在第一衬底基板101上的正投影的面积相等。也即是，该第一开口区102a与相邻的第二开口区103a或相邻的第三开口区104a的边界线重叠。此种情况下，六边形的边长等于菱形的边长。
也即是，在图1，以及图4至图6中，多个第一开口区102a，多个第二开口区103a以及多个第三开口区104a中，任意相邻的两个开口区的边界线重叠。由此，可以使得任意相邻的两个开口区之间不具有间隔区域，显示基板10中可以无需设置黑矩阵。
需要说明的是，在六边形的边长与菱形的边长均为a的情况下，六边形的面积S1满足：
Figure PCTCN2021126214-appb-000001
菱形的面积S2满足：
Figure PCTCN2021126214-appb-000002
根据上述六边形的面积S1以及菱形的面积S2可知，六边形的面积可以为菱形的面积的三倍。
由此，在图1，以及图4至图6中，第二开口区103a在第一衬底基板101上的正投影的面积以及第三开口区104a在第一衬底基板101上的正投影的面积，均为第一开口区102a在第一衬底基板101上的正投影的面积的3倍。
当然，若多个第一开口区102a，多个第二开口区103a以及多个第三开口区104a中，存在某两个相邻的开口区的边界线不重叠，则可以在这两个相邻的色阻块之间的间隔区域中设置黑矩阵，从而避免光线从这两个相邻的开口区之间的间隔区域露出。
示例的，在多个第二开口区103a和多个第三开口区104a中，任意相邻的两个开口区的边界线重叠的情况下。若第一开口区102a在第一衬底基板101上的 正投影的面积，小于该第一间隔区域AA在第一衬底基板101上的正投影的面积，则第一开口区102a与其相邻的至少一个开口区之间可以具有间隔区域。此种情况下，六边形的边长大于菱形的边长。其中，第一开口区102a相邻的至少一个开口区包括：至少一个第二开口区103a和/或至少一个第三开口区104a。
在本申请实施例中，第一开口区102a在第一衬底基板101上的正投影的形状，第二开口区103a在第一衬底基板101上的正投影的形状，以及第三开口区104a在第一衬底基板101上的正投影的形状还可以为其他形状。
参考图7，第一开口区102a在第一衬底基板101上的正投影的形状，第二开口区103a在第一衬底基板101上的正投影的形状，以及第三开口区104a在第一衬底基板101上的正投影的形状可以均为六边形。
并且，参考图7，在第一开口区102a，第二开口区103a以及第三开口区104a的形状均为六边形的情况下，由于第一开口区102a的面积较小，因此第一开口区102a与相邻的开口区之间会具有第二间隔区域BB。参考图8，该显示基板10还可以包括黑矩阵105，该黑矩阵105可以位于第二间隔区域BB内。由此可以避免光线从该第二间隔区域BB露出，保证显示基板的显示效果。
或者，参考图9，第二开口区103a在第一衬底基板101上的正投影的形状，以及第三开口区104a在第一衬底基板101上的正投影的形状可以均为十边形。并且图9中，第一开口区102a在第一衬底基板101上的正投影的形状为四角星。
又或者，参考图10，第二开口区103a在第一衬底基板101上的正投影的形状，以及第三开口区104a在第一衬底基板101上的正投影的形状可以均为十字形。并且图10中，第一开口区102a在第一衬底基板101上的正投影的形状为四边形。
再或者，参考图11，第二开口区103a在第一衬底基板101上的正投影的形状，以及第三开口区104a在第一衬底基板101上的正投影的形状可以均为五边形。并且图11中，第一开口区102a在第一衬底基板101上的正投影的形状为异形。
再或者，参考图12，第二开口区103a在第一衬底基板101上的正投影的形状，以及第三开口区104a在第一衬底基板101上的正投影的形状可以均七边形。并且图14中，第一开口区102a在第一衬底基板101上的正投影的形状为异形。
在本申请实施例中，参考图13，该显示基板10还可以包括：位于第一衬底基板101上的多个第四子像素106，所述第四子像素106发出的光线的颜色为第 四颜色。该第四子像素106的第四开口区106a在第一衬底基板101上的正投影的面积小于第二子像素103的第二开口区103a在第一衬底基板101上的正投影的面积，且小于第三子像素104的第三开口区104a在第一衬底基板101上的正投影的面积。
可选的，该第四颜色可以为白色。也即是，该第四子像素106发出的光线的颜色为白色。由此能够提高显示基板的亮度，保证显示基板的显示效果。示例的，假设第四子像素的穿透率为K，则显示基板的亮度可以提升K/4倍。
参考图4和图13，多个第二子像素103和多个第三子像素104阵列排布，且在目标方向X上相邻的两个子像素的开口区之间具有第一间隔区域AA。在多个第二子像素103的第二开口区103a和多个第三子像素104的第三开口区104a构成的多个第一间隔区域AA中，第一子像素102的第一开口区102a在第一衬底基板101上的正投影可以位于第一部分的第一间隔区域AA在第一衬底基板101上的正投影，第四子像素106的第四开口区106a在第一衬底基板101上的正投影可以位于第二部分的第一间隔区域AA在第一衬底基板101上的正投影内。其中，相邻的两个子像素的颜色包括第二颜色和第三颜色中的至少一种。
参考图13和图14，在目标方向X以及垂直于目标方向X的方向上，相邻的两个第一子像素102之间可以具有一个第四子像素106，且相邻的两个第四子像素106之间可以具有一个第一子像素102。或者，参考图15，在垂直于目标方向X上，相邻的两个第一子像素102之间可以具有一个第四子像素106，且相邻的两个第四子像素106之间可以具有一个第一子像素102。又或者，参考图16，在目标方向X上，相邻的两个第一子像素102之间可以具有一个第四子像素106，且相邻的两个第四子像素106之间可以具有一个第一子像素102。
图17是采用本申请实施例提供的显示基板后各个颜色的光线的观察视角与亮度的关系示意图。参考图17可以看出，在用户的观察视角较大的情况下，波长较大的光线(第一颜色的光线)的强度较大相对于波长较小的光线(第二颜色的光线)的强度的差值较小，由此可以避免用户观看到的颜色偏向于波长较大的光线对应的颜色。也即是，在用户的观察视角较大时，显示面板产生色偏的可能性较小。
图18是本申请实施例提供的再一种显示基板的结构示意图。参考图18可以看出，该显示基板可以包括：晶体管器件层c1，平坦层(planarization layer，PLN)c2，第一电极层c3，像素界定层(photo define layer，PDL)c4，发光层 c5，第二电极层c6，以及封装膜层(thin-film encapsulation，TFE)c7。
其中，多个第一子像素102的像素电路，多个第二子像素103的像素电路以及多个第三子像素104的像素电路均位于晶体管器件层c1。该第一电极层c3可以包括多个电极图案c31，发光层c5可以包括与多个电极图案c31一一对应的多个发光图案c51。可选的，该第一电极层c3可以为阳极层(anode)，该第二电极层c7可以为阴极层(cathode)。
在本申请实施例中，封装膜层c7可以用于封装第一衬底基板101与该封装膜层c7之间的膜层，避免水汽或氧气进入。
图18中，每个电极图案c31，该电极图案c31对应的发光图案c51，以及第二电极层c6可以构成一个子像素的一个发光单元。图19是本申请实施例提供的一种子像素的结构示意图。参考图19可以看出，该子像素可以包括层叠的两个发光单元b，以及位于两个发光单元b之间的电荷产生层(charge generation layer，CGL)e。由于每个子像素包括层叠的两个发光单元b，因此可以提高显示面板的亮度。
当然，子像素还可以包括层叠的更多数量的发光单元b。例如，子像素可以包括层叠的三个发光单元b，本申请实施例对子像素包括的发光单元b的数量不做限定。
可选的，发光单元b可以为有机发光二极管(organic light-emitting diode，OLED)。其中，参考图19，每个发光单元b可以包括：沿远离第一衬底基板101的方向依次层叠的电极图案b1，空穴注入层(hole injection layer，HIL)b2，空穴传输层(hole transport layer，HTL)b3，发光图案b4，空穴阻挡层(hole block layer，HBL)b5，电子传输层(electron transport layer，ETL)b6，电子注入层(electron injection layer，EIL)b7，以及阴极层b8。
在本申请实施例中，子像素的开口率范围可以为10％至40％。其中，子像素的开口率可以等于该子像素的电极图案b1的面积除以子像素的面积。
综上所述，本申请实施例提供了一种显示基板，由于显示基板中的第一子像素的第一开口区在第一衬底基板上的正投影的面积较小，第二子像素的第二开口区在第一衬底基板上的正投影的面积以及第三子像素的第三开口区在第一衬底基板上的正投影的面积均较大，因此该第一子像素发出的光线较少，而第二子像素发出的光线以及第三子像素发出的光线较多。并且，由于第一颜色的波长较大，且显示基板射出的光线中第一颜色的光线比例较小，因此可以避免 显示面板产生色偏，显示面板的显示效果较好。
图20是本申请实施例提供的一种彩膜基板的结构示意图。参考图20可以看出，该彩膜基板20可以包括：第二衬底基板201，以及位于第二衬底基板201上的多个第一颜色的第一色阻块202，多个第二颜色的第二色阻块203和多个第三颜色的第三色阻块204。图20中示出了一个第一色阻块202，一个第二色阻块203以及一个第三色阻块204。
可选的，该第一颜色的光线的波长可以大于第二颜色的光线的波长，且大于第三颜色的光线的波长。
图21是图20所示的彩膜基板的俯视图。参考图21可以看出，该第一色阻块202在第二衬底基板201上的正投影的面积，小于第二色阻块203在第二衬底基板201上的正投影的面积。并且，第一色阻块202在第二衬底基板201上的正投影的面积，小于第三色阻块204在第二衬底基板201上的正投影的面积。也即是，第一色阻块202在第二衬底基板201上的正投影的面积可以较小，而第二色阻块203在第二衬底基板201上的正投影的面积，以及第三色阻块204在第二衬底基板201上的正投影的面积可以较大。
其中，在目标方向X上相邻的两个第一色阻块202之间具有至少一个第二色阻块203和/或至少一个第三色阻块204。也即是，在目标方向X上相邻的两个第一色阻块202之间可以具有至少一个色阻块，且该至少一个色阻块可以包括第二色阻块203和第三色阻块204中的至少一种。可选的，该目标方向X可以为像素行方向。
参考图22，第一色阻块202在第二衬底基板201上的正投影的面积较小，在用户的观察视角较小时，进入用户的眼睛的光线可以从该第一色阻块202正常射出。但是，参考图23，由于第一色阻块202在第二衬底基板201上的正投影的面积较小，因此在用户的观察视角较大时，本应从第一色阻块202进入用户的眼睛的光线，可能会从与其相邻的第二色阻块203或第三色阻块204进入。其中，用户的观察视角是指：用户的视线与垂直于第二衬底基板的承载面的平面之间的夹角。
并且，参考图22和图23，无论用户的观察视角较小还是较大，本应从第二色阻块203进入用户的眼睛的光线，还是会从第二色阻块203进入，本应从第三色阻块204进入用户的眼睛的光线，还是会从第三色阻块204进入。也即是， 由于第二色阻块203在第二衬底基板201上正投影的面积以及第三色阻块204在第二衬底基板201上正投影的面积均较大，因此不会对从第二色阻块203或第三色阻块204射出的光线造成影响。
综上所述，本申请实施例提供的一种彩膜基板，该彩膜基板的第一色阻块在第二衬底基板上的正投影的面积较小，第二色阻块在第二衬底基板上的正投影的面积以及第三色阻块在第二衬底基板上的正投影的面积均较大，因此从该第一色阻块射出的光线较少，而从该第二色阻块射出的光线以及从第三色阻块射出的光线较多。由此，显示面板射出的光线中第一颜色的光线比例较小，避免显示面板产生色偏，显示面板的显示效果较好。
可选的，参考图24，该彩膜基板20还可以包括位于第二衬底基板202上的多个第四颜色的第四色阻块205。该第四色阻块205在第二衬底基板201上的正投影的面积小于第二色阻块203在第二衬底基板201上的正投影的面积，且小于第三色阻块204在第二衬底基板201上的正投影的面积。可选的，该第四颜色可以为白色。
在本申请实施例中，彩膜基板20中第一色阻块202可以与显示基板10中第一子像素102对应，彩膜基板20中第二色阻块203可以与显示基板10中第二子像素103对应，彩膜基板20中第三色阻块204可以与显示基板10中第三子像素104对应，彩膜基板20中第四色阻块205可以与显示基板10中第四子像素106对应。
彩膜基板20中的每个色阻块的形状和尺寸可以分别与显示基板10中对应的子像素的开口区的形状和尺寸相同。也即是，彩膜基板20中第一色阻块202的形状和尺寸可以分别与显示基板10中第一子像素102的第一开口区102a的形状和尺寸相同。彩膜基板20中第二色阻块203的形状和尺寸可以分别与显示基板10中第二子像素103的第二开口区103a的形状和尺寸相同。彩膜基板20中第三色阻块204的形状和尺寸可以分别与显示基板10中第三子像素104的第三开口区104a的形状和尺寸相同。彩膜基板20中第四色阻块205的形状和尺寸可以分别与显示基板10中第四子像素106的第四开口区106a的形状和尺寸相同。
并且，彩膜基板20包括的色阻块的排布方式可以与显示基板10中子像素的排布方式相匹配。由此，彩膜基板20中各个色阻块的排布方式可以参考上述图2，图5，图6，以及图8至图16中各个子像素的排布方式。其中，可以将图 2，图5，图6，以及图8至图16中第一子像素替换为第一色阻块，第二子像素替换为第二色阻块，第三子像素替换为第三色阻块，第四子像素替换为第四色阻块，由此可以得到多个彩膜基板的附图。另外，彩膜基板中各个色阻块的排布方式可以参考上述针对显示基板中各个子像素的排布方式的描述，本申请实施例在此不再赘述。
综上所述，本申请实施例提供的一种彩膜基板，该彩膜基板的第一色阻块在第二衬底基板上的正投影的面积较小，第二色阻块在第二衬底基板上的正投影的面积以及第三色阻块在第二衬底基板上的正投影的面积均较大，因此从该第一色阻块射出的光线较少，而从该第二色阻块射出的光线以及从第三色阻块射出的光线较多。由此，显示面板射出的光线中第一颜色的光线比例较小，避免显示面板产生色偏，显示面板的显示效果较好。
作为一种可选的实现方式，图25是本申请实施例提供的一种显示面板的结构示意图。参考图25可以看出，该显示面板01可以包括：上述实施例提供的显示基板10。参考图25，该显示面板01还可以包括：栅极驱动电路30和源极驱动电路40。该栅极驱动电路30可以通过栅线与显示基板中的各行子像素连接，用于为各行子像素提供栅极驱动信号。源极驱动电路40可以通过数据线与显示基板10中的各列子像素连接，用于为各列子像素提供数据信号。
作为另一种可选的实现方式，图26是本申请实施例提供的一种显示面板的结构示意图。参考图26可以看出，该显示面板01可以包括阵列基板50以及如上述实施例提供的彩膜基板20。
在该实现方式中，显示面板01也可以包括：栅极驱动电路30和源极驱动电路40。本申请实施例在此不再赘述。
作为又一种可选的实现方式，图27是本申请实施例提供的一种显示面板的结构示意图。参考图27可以看出，该显示面板01可以包括上述实施例提供的显示基板10以及上述实施例提供的彩膜基板20。
参考图27还可以看出，该彩膜基板20还可以包括：位于第二衬底基板201上的缓冲层(buffer)206。第一色阻块202，第二色阻块203以及第三色阻块204可以位于缓冲层206远离第二衬底基板201的一侧。
并且，参考图27，该显示面板01还可以包括：胶层60，微透镜70以及偏光层80。该胶层60可以用于固定显示基板10和彩膜基板20。微透镜70可以 用于透射子像素发出的光线。偏光层80可以用于将子像素发出的光线调整为偏振光。
在该实现方式中，显示面板01也可以包括：栅极驱动电路30和源极驱动电路40。本申请实施例在此不再赘述。
综上所述，本申请实施例提供的一种显示面板，该显示面板中射出的光线中第一颜色的光线比例较小，避免显示面板产生色偏，显示面板的显示效果较好。
图28是本申请实施例提供的一种显示装置的结构示意图。参考图28可以看出，该显示装置00可以包括供电组件02以及上述实施例提供的显示面板01。该供电组件02可以用于为显示面板01供电。
可选的，该显示装置可以为OLED显示装置、液晶显示装置、电子纸、手机、平板电脑、电视机、显示器、笔记本电脑、数码相框或导航仪等任何具有显示功能的产品或部件。
以上所述仅为本申请的可选实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (16)

  1. 一种显示基板，其特征在于，所述显示基板包括：
    第一衬底基板；
    以及，位于所述第一衬底基板上的多个第一子像素，多个第二子像素，以及多个第三子像素，所述第一子像素发出的第一颜色的光线的波长，大于第二子像素发出的第二颜色的光线的波长，且大于所述第三子像素发出的第三颜色的光线的波长；
    其中，所述第一子像素的第一开口区在所述第一衬底基板上的正投影的面积，小于所述第二子像素的第二开口区在所述第一衬底基板上的正投影的面积，且小于所述第三子像素的第三开口区在所述第一衬底基板上的正投影的面积。
  2. 根据权利要求1所述的显示基板，其特征在于，所述第一颜色为红色，所述第二颜色为蓝色，所述第三颜色为绿色。
  3. 根据权利要求1或2所述的显示基板，其特征在于，所述第二开口区在所述第一衬底基板上的正投影的面积，与所述第三开口区在所述第一衬底基板上的正投影的面积相同；
    所述第二开口区在所述第一衬底基板上的正投影的形状，与所述第三开口区在所述第一衬底基板上的正投影的形状相同。
  4. 根据权利要求3所述的显示基板，其特征在于，所述多个第二子像素和所述多个第三子像素阵列排布，且在目标方向上相邻的两个子像素的开口区之间具有第一间隔区域，所述第一开口区在所述第一衬底基板上的正投影位于所述第一间隔区域在所述第一衬底基板上的正投影内；
    其中，所述相邻的两个子像素发出的光线的颜色包括所述第二颜色和所述第三颜色中的至少一种。
  5. 根据权利要求4所述的显示基板，其特征在于，所述第二开口区在所述第一衬底基板上的正投影的形状以及所述第三开口区在所述第一衬底基板上的正投影的形状均为六边形，所述第一开口区在所述第一衬底基板上的正投影的形 状为菱形。
  6. 根据权利要求5所述的显示基板，其特征在于，所述六边形的边长大于或等于所述菱形的边长。
  7. 根据权利要求3所述的显示基板，其特征在于，所述第二开口区在所述第一衬底基板上的正投影的面积小于或等于所述第一开口区在所述第一衬底基板上的正投影的面积的3倍。
  8. 根据权利要求3所述的显示基板，其特征在于，所述第一开口区在所述第一衬底基板上的正投影的形状，所述第二开口区在所述第一衬底基板上的正投影的形状，以及所述第三开口区在所述第一衬底基板上的正投影的形状均为六边形。
  9. 根据权利要求8所述的显示基板，其特征在于，所述第一开口区与其相邻的至少一个开口区之间具有第二间隔区域；
    所述显示基板还包括：黑矩阵，所述黑矩阵位于所述第二间隔区域内。
  10. 根据权利要求1至9任一所述的显示基板，其特征在于，所述多个第一开口区，所述多个第二开口区以及所述多个第三开口区中，任意相邻的两个开口区的边界线重叠。
  11. 根据权利要求1至10任一所述的显示基板，其特征在于，所述显示基板还包括：位于所述第一衬底基板上的多个第四子像素，所述第四子像素发出的光线的颜色为第四颜色；
    所述第四子像素的第四开口区在所述第一衬底基板上的正投影的面积小于所述第二开口区在所述第一衬底基板上的正投影的面积，小于所述第三开口区在所述第一衬底基板上的正投影的面积。
  12. 根据权利要求11所述的显示基板，其特征在于，所述第四颜色为白色。
  13. 根据权利要求1至12任一所述的显示基板，其特征在于，所述显示基板包括的每个子像素包括层叠的两个发光单元。
  14. 一种彩膜基板，其特征在于，所述彩膜基板包括：
    第二衬底基板；
    以及，位于所述第二衬底基板上的多个第一颜色的第一色阻块，与多个第二颜色的第二色阻块，以及多个第三颜色的第三色阻块，所述第一颜色的光线的波长大于所述第二颜色的光线的波长，且大于所述第三颜色的光线的波长；
    其中，所述第一色阻块在所述第一衬底基板上的正投影的面积，小于所述第二色阻块在所述第一衬底基板上的正投影的面积，且小于所述第三色阻块在所述第一衬底基板上的正投影的面积；
    在所述目标方向上相邻的两个所述第一色阻块之间具有至少一个所述第二色阻块和/或至少一个所述第三色阻块。
  15. 一种显示面板，其特征在于，所述显示面板包括：如权利要求1至13任一所述的显示基板，或者所述显示面板包括：阵列基板以及如权利要求14所述的彩膜基板。
  16. 一种显示装置，其特征在于，所述显示装置包括供电组件以及如权利要求14所述的显示面板；
    所述供电组件用于为所述显示面板供电。
PCT/CN2021/126214 2021-03-11 2021-10-25 显示基板、彩膜基板、显示面板及显示装置 WO2022188421A1 (zh)

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