WO2019179125A1 - 显示面板、显示装置及彩膜基板 - Google Patents

显示面板、显示装置及彩膜基板 Download PDF

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Publication number
WO2019179125A1
WO2019179125A1 PCT/CN2018/114201 CN2018114201W WO2019179125A1 WO 2019179125 A1 WO2019179125 A1 WO 2019179125A1 CN 2018114201 W CN2018114201 W CN 2018114201W WO 2019179125 A1 WO2019179125 A1 WO 2019179125A1
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WIPO (PCT)
Prior art keywords
pixel
edge
area
region
display
Prior art date
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PCT/CN2018/114201
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English (en)
French (fr)
Inventor
蔡修军
张彦超
李卅
王大威
王甲强
包欢
王翠娥
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/341,547 priority Critical patent/US11403988B2/en
Publication of WO2019179125A1 publication Critical patent/WO2019179125A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2074—Display of intermediate tones using sub-pixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0465—Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness

Definitions

  • the present disclosure relates to a display panel, a display device, and a color filter substrate.
  • the profile display panel refers to a display panel having a non-rectangular display area, such as a circular display area, a sector display area, and the like.
  • the pixels are arranged along the boundary line at the profiled edge to better match the boundary line at the profiled edge.
  • each pixel in the display panel includes a plurality of sub-pixels, and the sub-pixels are rectangular, the boundary between the sub-pixels located at the edge of the profiled edge and the edge of the profiled shape cannot be completely matched, and there is a jagged gap, resulting in display.
  • the picture has a sawtooth at the shaped edge of the display area, affecting the visual effect of the shaped display panel.
  • Embodiments of the present disclosure provide a display panel, a display device, and a color filter substrate.
  • At least one embodiment of the present disclosure provides a display panel including a display area and a non-display area adjacent to the display area, the display area including at least one shaped edge area, each of the shaped edges
  • the area includes a plurality of edge pixels
  • the display panel further includes a light shielding structure in the shaped edge region, and the light shielding structure includes a light shielding unit corresponding to the edge pixels in one-to-one correspondence.
  • Each of the edge pixels includes a plurality of sub-pixels arranged side by side in a first direction, and an orthographic projection of the shading unit on each of the sub-pixels covers a first end of a corresponding sub-pixel, the first The end is an end adjacent to the non-display area in the second direction, and a boundary line between the orthographic projection and the corresponding sub-pixel is an arc, and the second direction is perpendicular to the first direction.
  • the first direction is one of a pixel row arrangement direction and a pixel column arrangement direction.
  • a boundary line between the orthographic projection and the corresponding sub-pixel is recessed toward the non-display area along the second direction.
  • the shaped edge region includes a plurality of pixel groups arranged in a stepwise manner, the plurality of pixel groups including at least one of a first pixel group, a second pixel group, and a third pixel group.
  • the first set of pixels includes at least two edge pixels in the same pixel column
  • the second pixel set includes at least two edge pixels in the same pixel row
  • the third pixel group includes one edge pixel.
  • the occlusion area S 1 of the shading unit of the edge pixel in the first pixel group is decreased in the direction away from the non-display area, 0 ⁇ S 1 ⁇ S B
  • the occlusion area S 2 of the shading unit of the edge pixel in the second pixel group is decreased in the direction away from the non-display area, 0 ⁇ S 2 ⁇ S B
  • S B is the edge of each edge pixel. area.
  • an occlusion area of the shading unit of two adjacent edge pixels in the second pixel group satisfies the following conditions:
  • S 2a and S 2b are respectively occlusion areas of the shading units of two adjacent edge pixels in the second pixel group in the pixel row direction.
  • an occlusion area of the shading unit of two adjacent edge pixels in the first pixel group satisfies the following conditions:
  • S 1c and S 1d are respectively occlusion areas of the shading units of two adjacent edge pixels in the first pixel group in the second direction.
  • a difference in an occlusion area of the shading unit of the most edge pixel of the adjacent two pixel groups in the plurality of pixel groups satisfies the following conditions:
  • S m and S n are respectively occlusion areas of the shading units of the most edge pixels of the adjacent two pixel groups in the plurality of pixel groups, and the most edge pixels of the first pixel group are An edge pixel closest to the non-display area in the second direction, the edge pixel of the second pixel group being the edge pixel closest to the non-display area in the first direction, in the third pixel group
  • the one edge pixel is the most edge pixel.
  • the display panel further includes a black matrix
  • the light shielding structure is a black matrix
  • the display panel includes an array substrate and a color filter substrate disposed opposite to the array substrate, and the black matrix is located on the color filter substrate.
  • boundary line of the shaped edge region is an arc protruding toward the non-display area or an arc protruding toward the display area.
  • the arc is semicircular.
  • the display area is a fan shape, an arc shape, a circle shape, a rounded rectangle or a polygon.
  • At least one embodiment of the present disclosure also provides a display device, the display device comprising the display panel of any of the first aspects.
  • At least one embodiment of the present disclosure provides a color filter substrate including a display area and a non-display area, the display area including at least one shaped edge area, each of the shaped edge areas including a plurality of edge pixels
  • the color film substrate further includes a light shielding structure in the deformed edge region, and the light shielding structure includes a light shielding unit corresponding to the edge pixel region in one-to-one correspondence.
  • Each of the edge pixel regions includes a plurality of sub-pixel regions arranged side by side in a first direction, and an orthographic projection of the shading unit on each of the sub-pixel regions covers a first end of a corresponding sub-pixel region, The first end is an end adjacent to the non-display area in the second direction, and a boundary line between the orthographic projection and the corresponding sub-pixel area is an arc, the second direction and the first direction vertical.
  • a boundary line between the orthographic projection and the corresponding sub-pixel region is recessed toward the non-display region along the second direction.
  • the shaped edge region includes a plurality of pixel groups arranged in a stepped manner, the plurality of pixel group regions including at least one of a first pixel group region, a second pixel group region, and a third pixel group region.
  • the first pixel group region includes at least two edge pixel regions in the same pixel region column, and the second pixel group region includes at least two edge pixel regions disposed in the same pixel region row along the pixel row direction, the first The three-pixel group area includes one edge pixel area.
  • an occlusion area S 1 of the shading unit of the edge pixel region in the first pixel group region is decreased in a direction away from the non-display region, and 0 ⁇ S 1 ⁇ S B
  • the occlusion area S 2 of the shading unit of the edge pixel area in the second pixel group region is decreased in the direction away from the non-display area
  • 0 ⁇ S 2 ⁇ S B , S B is The area of the edge pixel area.
  • FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure
  • Figure 2 is an enlarged schematic view of the area I of Figure 1;
  • FIG. 3 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure.
  • Figure 4 is another enlarged schematic view of the area I of Figure 3;
  • Figure 5 is another enlarged schematic view of the area I of Figure 1;
  • Figure 6 is a partial enlarged view of Figure 1;
  • Figure 7 is an enlarged schematic view of a region II in Figure 6;
  • Figure 8 is an enlarged schematic view of a region III in Figure 6;
  • Figure 9 is an enlarged schematic view of a region IV of Figure 7;
  • Figure 10 is another enlarged schematic view of the area IV of Figure 7;
  • Figure 11 is another enlarged schematic view of the area IV of Figure 7;
  • Figure 12 is an enlarged schematic view of a region V in Figure 8.
  • FIG. 13 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure.
  • Figure 14 is a partial enlarged view of Figure 13;
  • FIG. 15 is a schematic structural diagram of still another display panel according to an embodiment of the present disclosure.
  • Figure 16 is a partial enlarged view of Figure 15;
  • 17 is a schematic structural diagram of still another display panel according to an embodiment of the present disclosure.
  • Figure 18 is a partial enlarged view of Figure 17;
  • FIG. 19 is a schematic structural diagram of a color filter substrate according to an embodiment of the present disclosure.
  • FIG. 20 is a schematic structural diagram of a partial edge pixel region of a color filter substrate according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a display panel including a display area A1 and a non-display area A2 adjacent to the display area A1.
  • the non-display area A2 is disposed around the display area A1, and the display area A1 includes A plurality of pixels arranged in an array.
  • the display area A1 includes at least one profiled edge area A10, and each of the profiled edge areas A10 includes a plurality of edge pixels.
  • the profiled edge region A10 refers to a region where the boundary lines of the display region A1 and the non-display region A2 are not arranged in the pixel row direction or the pixel column direction.
  • the edge pixel refers to a pixel adjacent to the non-display area A2.
  • the edge pixels include a plurality of edge pixels located in the shaped edge region A10.
  • the boundary line of the display area A1 of the display panel is circular, the display panel has four shaped edge areas A10, and the shaped edge area A10 shown in FIG. 1 is shaded in gray.
  • the profiled edge regions A10 are spaced apart from each other.
  • the four shaped edge regions A10 respectively include a first profiled edge region located in the upper left corner of FIG. 1, a second profiled edge region located at the upper right corner of FIG. 1, a third profiled edge region located at the lower left corner of FIG. 1, and a lower right corner of FIG.
  • the fourth shaped edge zone is provided in the boundary line of the display area A1 of the display panel.
  • the display panel further includes a light shielding structure disposed on the shaped edge area A10, and the light shielding structure includes a light shielding unit disposed in one-to-one correspondence with the edge pixels.
  • each rectangular block in FIGS. 1 and 2 represents one pixel, and the pixel includes an edge pixel and a non-edge pixel.
  • the black portion in the figure represents the non-display area A2, and the white rectangular block represents the display area.
  • the non-edge pixel of A1 the shaded rectangular block represents the edge pixel located in the shaped edge area A10, and the sub-pixel in the non-edge pixel is arranged in the same manner as the sub-pixel in the edge pixel.
  • Each of the edge pixels may include three sub-pixels of a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B, and the three sub-pixels are arranged in a pixel row direction (ie, the x direction in FIG. 2).
  • the orthographic projection of the shading unit K on each sub-pixel covers an end of the corresponding sub-pixel adjacent to the non-display area A2 in the pixel column direction (ie, the y direction in FIG. 2), and the boundary between the orthographic projection and the corresponding sub-pixel All are curved.
  • a black matrix is also disposed between each sub-pixel, and black between each sub-pixel is not shown in FIG. 2 and FIG. 7, FIG. 8, FIG. 9, FIG. 10, FIG. 11, and FIG. matrix.
  • a light shielding structure is disposed on a deformed edge region of the display panel, and the light shielding structure includes a light shielding unit disposed in one-to-one correspondence with the edge pixels.
  • Each of the edge pixels includes a plurality of sub-pixels, and the occlusion area of the plurality of sub-pixels of the same edge pixel is equal, that is, in the same edge pixel, the light-emitting area of each sub-pixel is equal, which can prevent the color-shift phenomenon of the pixel, and simultaneously
  • the orthographic projection of the shading unit on each sub-pixel covers an end of the corresponding sub-pixel adjacent to the non-display area in the pixel column direction, and the boundary between the orthographic projection and the corresponding sub-pixel is curved, that is, each sub-pixel is One end of the pixel column direction close to the non-display area is curved, for example, a semicircle.
  • the curved design can make the sawtooth weakening effect of the shaped edge region more obvious, reduce the edge sawtooth effect of the display panel, and improve the display effect of the shaped display panel, so that the sawtooth of the shaped edge region of the human eye is no longer obvious.
  • the occlusion area of the light shielding unit K on the plurality of sub-pixels of the same edge pixel is equal.
  • the occlusion area of the shading unit on the plurality of sub-pixels of the same edge pixel is equal, and the orthographic projection of the shading unit on each sub-pixel covers an end of the corresponding sub-pixel adjacent to the non-display area in the pixel column direction, which is convenient for the shading unit. Design and production.
  • the boundary between the orthographic projection and the corresponding sub-pixel is recessed toward the non-display area A2 along the pixel column direction.
  • the boundary between the orthographic projection and the corresponding sub-pixel is an arc that is recessed toward the non-display area, that is, one end of each sub-pixel near the non-display area in the pixel column direction is a convex arc.
  • FIG. 3 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure.
  • the boundary line of the display area A1 of the display panel includes a convex arc portion and an indented arc portion, and the light shielding structure of the convex arc portion can follow the scheme shown in FIG.
  • the shading structure of the arc portion of the inset is set by the scheme shown in FIG.
  • the boundary between the orthographic projection and the corresponding sub-pixel is recessed toward the display area A1 along the pixel column direction.
  • the boundary between the orthographic projection and the corresponding sub-pixel is an arc that is recessed toward the display area, that is, each sub-pixel has a convex arc shape at one end of the pixel column in the direction of the display region.
  • the boundary line between the orthographic projection and the corresponding sub-pixel is an arc that is recessed toward the non-display area.
  • the boundary line between the orthographic projection and the corresponding sub-pixel is an arc that is recessed toward the display area.
  • FIG. 5 is another enlarged schematic view of the area I of FIG. 1.
  • the pixel structure shown in FIG. 5 is different from that of FIG. 2 in that three sub-pixels are arranged in the pixel column direction (ie, the y direction in FIG. 5), and the orthographic projection of the light-shielding unit K on each sub-pixel covers the corresponding sub-pixel.
  • the pixel row direction i.e., the x direction in Fig. 2
  • the boundary between the orthographic projection and the corresponding sub-pixel is recessed toward the non-display area A2 in the pixel row direction.
  • each of the edge pixels includes a plurality of sub-pixels arranged side by side in the first direction, and the orthographic projection of the shading unit on each sub-pixel is covered
  • the first end of the corresponding sub-pixel is an end close to the non-display area in the second direction
  • the first direction is one of a pixel row direction and a pixel column direction
  • the second direction is perpendicular to the first direction.
  • each edge pixel is not limited to three sub-pixels of R, G, and B as shown in FIG. 2 and FIG. 5, for example, may be red, green, or blue. And four sub-pixels of white. Meanwhile, the arrangement of each sub-pixel in each edge pixel is not limited to the arrangement structure in FIG. 2, and other arrangement structures may be employed.
  • each of the light shielding units is located on a light exiting side of the corresponding edge pixel.
  • the structure of the display panel provided by the present disclosure will be further described below by taking the pixel structure shown in FIG. 2 as an example. Referring to FIG. 6 to FIG. 20 .
  • Fig. 6 is a partial enlarged view of Fig. 1; 6 is a top left corner area in FIG. Multiple pixel groups.
  • the plurality of pixel groups includes at least one of the first pixel group P1, the second pixel group P2, and the third pixel group P3.
  • the first pixel group P1 includes at least two edge pixels disposed in the same pixel column in the pixel column direction (ie, the y direction in FIG. 6), and the second pixel group P2 is disposed in the pixel row direction (ie, the x direction in FIG. 6).
  • At least two edge pixels of the same pixel row, and the third pixel group P3 includes one edge pixel.
  • the display panel has four profiled edge regions A10, and the four profiled edge regions A10 are symmetrically arranged.
  • FIG. 6 includes one profiled edge region A10 of the four profiled edge regions A10 of FIG.
  • the profiled edge region A10 includes five first pixel groups P1, five second pixel groups P2, and eight third pixel groups P3.
  • the occlusion area S 1 of the shading unit of the edge pixel in the first pixel group P1 is decreased in the direction away from the non-display area A2, 0 ⁇ S 1 ⁇ S B , in the pixel row direction, the second pixel
  • the occlusion area S 2 of the shading unit of the edge pixel in the group P2 is decreased in the direction away from the non-display area A2, 0 ⁇ S 2 ⁇ S B
  • S B is the area of each edge pixel, so that the display panel can be displayed from the display panel.
  • the brightness transitions smoothly from light to dark, which makes the edge soften the display, reduces the edge sawtooth effect of the display panel, and improves the display effect of the shaped display panel, so that the human eye perceives the aliased edge area. obvious.
  • the difference of the occlusion areas of the shading units of the most edge pixels of the adjacent two pixel groups in the plurality of pixel groups satisfies the following conditions:
  • S m and S n are the extreme edge pixels of two pixel groups of the plurality of pixel groups adjacent to the area of the light shielding unit shielding, the extreme edge pixels of the first pixel P1 is set in the pixel column direction, The edge pixel closest to the non-display area A2, the edge pixel of the second pixel group P2 is the edge pixel closest to the non-display area A2 in the pixel row direction, and one edge pixel of the third pixel group P3 is the most edge pixel.
  • the occlusion area difference of the shading unit of the most edge pixel of the adjacent two pixel groups in the plurality of pixel groups it can be ensured that the brightness difference of the adjacent pixel group is not too large, thereby realizing the display panel from the display area to the non-display area.
  • the brightness transitions smoothly from light to dark.
  • Figure 7 is an enlarged schematic view of a region II of Figure 6. As shown in FIG. 7, the figure includes two adjacent second pixel groups P2, and the second pixel group P2 located in the mth row includes five edge pixels m 1 , m 2 , m 3 , m 4 , and m 5 .
  • the edge pixel m 1 closest to the non-display area A2 among the 5 edge pixels is the most edge pixel
  • the occlusion area of the light shielding unit of the edge pixel m 1 is S m1
  • the second pixel group P2 located in the nth line includes 4 edges a pixel
  • the edge pixel n 1 closest to the non-display area A2 among the 4 edge pixels is the most edge pixel
  • the edge pixel closest to the non-display area A2 among the 4 edge pixels is the leftmost edge pixel n 1
  • the two sides of 1 are close to the non-display area A2, and the occlusion area of the shading unit of the most edge pixel n 1 is S n1 , and the difference of the occlusion area of the shading unit of the most edge pixel m 1 and the edge pixel n 1 satisfies: 10% ⁇
  • Figure 8 is an enlarged schematic view of a region III of Figure 6.
  • the figure includes two adjacent first pixel groups P1, and the first pixel group P1 located in the pth column includes six edge pixels p 1 , p 2 , p 3 , p 4 , p 5 and p 6 , the edge pixel p 1 closest to the non-display area A2 among the 6 edge pixels is the most edge pixel, the occlusion area of the shading unit of the most edge pixel p 1 is S p1 , and the first pixel group P1 located in the qth column includes 3 edge pixels, the edge pixel q 1 closest to the non-display area A2 among the 3 edge pixels is the most edge pixel, and the edge pixel closest to the non-display area A2 among the 3 edge pixels is the uppermost edge pixel q 1 , the edge The two sides of the pixel q 1 are close to the non-display area A2, and the occlusion area of the shading unit of the most edge
  • the occlusion area of the light shielding unit of the adjacent two edge pixels in the second pixel group P2 satisfies the following conditions:
  • S 2a and S 2b are the occlusion areas of the light shielding units of the adjacent two edge pixels in the second pixel group P2 in the pixel row direction, respectively.
  • the difference of the occlusion area S 2 of the shading unit of the adjacent edge pixels in the second pixel group P2 is within a set range, so that the brightness difference of the edge pixels of the same row is not too large, and the display is realized.
  • the panel transitions from the display area A1 to the non-display area A2 with a smooth transition from light to dark.
  • Figure 9 is an enlarged schematic view of a region IV of Figure 7. 9, the m-th row of pixels, the second pixel group P2 includes five edge pixels m 1, m 2, m 3 , m 4 and m 5. Each edge pixel is provided with a light shielding unit, and the percentage in FIG. 9 represents an unoccluded pixel area ratio, and the unoccluded pixel area ratio represents a percentage of the pixel area of each edge pixel that is not blocked by the light shielding unit and the area of the edge pixel. .
  • the unoccluded pixel area ratios of the edge pixels m 1 , m 2 , m 3 , m 4 , and m 5 are sequentially 15%, 35%, 55%, 75%, and 95%.
  • FIG 10 is another enlarged schematic view of the area IV of Figure 7.
  • edge pixel m 1, m 2, m 3 , m 4 and m 5 are not shielded pixel area ratio of 55% were 65%, 75%, 85% and 95%.
  • FIG 11 is another enlarged schematic view of the area IV of Figure 7. 11, in the present embodiment, edge pixel m 1, m 2, m 3 , m 4 and m 5 are not shielded pixel area ratio of 45% were 55%, 65%, 75% and 85%.
  • the edges of two adjacent pixels for example, the ratio of the edge pixel occlusion area S m shielding unit 21 and an edge pixel of an area S B m is 55% occlusion edge pixel area S m 2 of the light shielding unit 22 and
  • the difference in the occlusion area of the light shielding units of the adjacent two edge pixels in the first pixel group P1 satisfies the following conditions:
  • S 1c and S 1d are the occlusion areas of the shading units of the adjacent two edge pixels in the first pixel group in the pixel column direction, respectively.
  • the difference of the occlusion area S 1 of the shading unit of the adjacent edge pixel in the first pixel group is within a set range, so that the luminance difference of the edge pixels of the same row is not too large, and the display is realized.
  • the panel transitions from the display area A1 to the non-display area A2 with a smooth transition from light to dark.
  • Figure 12 is an enlarged schematic view of a region V in Figure 8.
  • the first pixel group P1 in the p-th column pixel, includes six edge pixels p 1 , p 2 , p 3 , p 4 , p 5 , and p 6 .
  • Each edge pixel is provided with a light shielding unit, and the percentage in FIG. 12 represents an unoccluded pixel area ratio, and the unoccluded pixel area ratio indicates a pixel area of each edge pixel that is not blocked by the light shielding unit and a total area of the edge pixel. percentage.
  • the unoccluded pixel area ratios of the edge pixels p 1 , p 2 , p 3 , p 4 , p 5 , and p 6 are 45%, 55%, 65%, 75%, 85%, and 95%, respectively.
  • the display panel further includes a black matrix.
  • the light blocking structure is the black matrix.
  • the black matrix masking effect is good and easy to implement. Since a black matrix for occlusion is provided in a general display panel, when the above-mentioned shaped display panel is prepared, a light-shielding structure can be directly formed when the black matrix is formed, and the light-shielding structure is formed with the formation of the black matrix, due to black Both the matrix and the light-shielding structure play an occlusion function, and no additional process is required to prepare the light-shielding structure. Therefore, it is advantageous to reduce the design difficulty of the display panel, without increasing the preparation process of the display panel, and improving the production efficiency.
  • the light shielding structure may also be fabricated in the same layer as the opaque layer on the array substrate, for example, with the gate, source and drain equivalent layers.
  • the display panel includes an array substrate and a color filter substrate disposed opposite to the array substrate, and the black matrix is located on the color filter substrate.
  • the boundary line of the profiled edge region A10 is an arc that protrudes toward the non-display region A2.
  • FIG. 13 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure. As shown in FIG. 13, in the display panel, the circular area in the middle is the non-display area A2, and the surrounding area A2 is the display area A1.
  • the boundary line of the profiled edge region A10 may also be an arc that protrudes toward the display region A1.
  • FIG. 1 and FIG. 13 respectively correspond to the inner rounded shaped edge and the outer round shaped shaped edge display panel
  • the structures of FIGS. 1 and 13 are only an example. In other embodiments, the structures of FIGS. 1 and 13 are used. It can also be only half or a quarter, in which case the above solution can still be used.
  • the inner rounded shaped edge is usually designed at the four corners of the display panel of the mobile terminal such as a mobile phone
  • the outer rounded shaped edge is usually designed to be a region where the camera is disposed at the top of the display panel of the mobile terminal such as a mobile phone.
  • Fig. 14 is a partially enlarged schematic view of Fig. 13;
  • the profiled edge region A10 includes a plurality of pixel groups arranged in a stepped manner, and the plurality of pixel groups includes at least one of the first pixel group P1, the second pixel group P2, and the third pixel group P3.
  • the first pixel group P1 includes at least two edge pixels disposed in the same pixel column in the pixel column direction (ie, the y direction in FIG. 14), and the second pixel group P2 is disposed in the pixel row direction (ie, the x direction in FIG. 14).
  • At least two edge pixels of the same pixel row, and the third pixel group P3 includes one edge pixel.
  • the display panel further includes a light shielding structure (not shown) disposed in the shaped edge region A10.
  • the light shielding structure includes a light shielding unit disposed in one-to-one correspondence with the edge pixels, and each of the light shielding units is located on a light exiting side of the corresponding edge pixel.
  • the occlusion area S 1 of the shading unit of the edge pixel in the first pixel group P1 is decreased in the direction away from the non-display area A2, 0 ⁇ S 1 ⁇ S B , in the pixel row direction, the second pixel
  • the occlusion area S 2 of the shading unit of the edge pixel in the group P2 is decreased in the direction away from the non-display area A2, and 0 ⁇ S 2 ⁇ S B
  • S B is the area of each edge pixel.
  • the display area may also be a sector, an arc, a circle, a rounded rectangle or a polygon.
  • FIG. 15 is a schematic structural diagram of still another display panel according to an embodiment of the present disclosure.
  • the display area is octagonal at this time, and the display panel includes a display area A1 and a non-display area A2 adjacent to the display area A1.
  • the display area A1 includes eight shaped edge areas A10, each of the shaped edge areas A10 corresponds to one side of the octagon, and the shaped edge area A10 includes a plurality of edge pixels.
  • FIG. 16 is a partially enlarged schematic view of Fig. 15; As shown in FIG. 16, FIG. 16 includes a first shaped edge area A11 and a second shaped edge area A12 located in the upper left corner of FIG. 15, and a plurality of edge pixels in the first shaped edge area A11 are arranged in a stepped manner.
  • the pixel group, the plurality of pixel groups includes the first pixel group P1, and the first pixel group P1 includes at least two edge pixels disposed in the same pixel column in the pixel column direction (ie, the y direction in FIG. 16).
  • the plurality of edge pixels in the second shaped edge region A12 constitute a plurality of pixel groups arranged in a stepped manner, the plurality of pixel groups include the second pixel group P2, and the second pixel group P2 includes the pixel row direction (ie, x in FIG. 16) Direction) Set at least two edge pixels in the same pixel row.
  • the first profiled edge region A11 includes nine first pixel groups P1
  • the second profiled edge region A12 includes nine first pixel groups P2.
  • FIG. 17 is a schematic structural diagram of still another display panel according to an embodiment of the present disclosure.
  • the display panel includes a display area A1 and a non-display area A2 adjacent to the display area A1.
  • the display area A1 is a rounded rectangle
  • the display area A1 includes four shaped edge areas A10 located at the four corners of the display area A1
  • the shaped edge area A10 includes a plurality of edge pixels.
  • FIG. 18 is a partial enlarged view of Figure 17.
  • FIG. 18 includes a profiled edge region A10 located at the upper left corner of FIG. 17, and a plurality of edge pixels in the profiled edge region A10 constitute a plurality of pixel groups arranged in a stepped manner, and the plurality of pixel groups include the first At least one of the pixel group P1, the second pixel group P2, and the third pixel group P3.
  • the first pixel group P1 includes at least two edge pixels disposed in the same pixel column in the pixel column direction (ie, the y direction in FIG. 18), and the second pixel group P2 is disposed in the pixel row direction (ie, the x direction in FIG. 18).
  • At least two edge pixels of the same pixel row, and the third pixel group P3 includes one edge pixel.
  • the profiled edge region A10 includes a first pixel group P1, a first pixel group P2, and four first pixel groups P3.
  • the embodiment of the present disclosure further provides a display device including the display panel as shown in FIG. 1 or FIG. 13 or FIG. 15 or FIG.
  • the display device provided by the embodiment of the present disclosure may be any product or component having a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
  • a light shielding structure is disposed on a deformed edge region of the display panel, and the light shielding structure includes a light shielding unit disposed in one-to-one correspondence with the edge pixels.
  • Each of the edge pixels includes a plurality of sub-pixels, and the occlusion area of the plurality of sub-pixels of the same edge pixel is equal, that is, in the same edge pixel, the light-emitting area of each sub-pixel is equal, which can prevent the color-shift phenomenon of the pixel, and simultaneously
  • the orthographic projection of the shading unit on each sub-pixel covers an end of the corresponding sub-pixel adjacent to the non-display area in the pixel column direction, and the boundary line between the orthographic projection and the corresponding sub-pixel is an arc that is recessed toward the non-display area.
  • one end of each sub-pixel adjacent to the non-display area in the pixel column direction is a convex arc, for example, a semicircle.
  • the curved design can make the sawtooth weakening effect of the shaped edge region more obvious, reduce the edge sawtooth effect of the display panel, and improve the display effect of the shaped display panel, so that the sawtooth of the shaped edge region of the human eye is no longer obvious.
  • FIG. 19 is a schematic structural diagram of a color filter substrate according to an embodiment of the present disclosure.
  • the color filter substrate generally includes a base substrate 100 and a color film layer 110 and a black matrix 120 formed on the base substrate 100.
  • the light transmissive region of the black matrix 120 is filled with the color filter layer 110, and the sub-pixel
  • the emitted light has a color after passing through the light-transmissive region of the color film layer 110.
  • the color film layer 110 is made of a color resist material, and may include, for example, a red color block 111, a green color block 112, and a blue color block 113.
  • FIG. 20 is a schematic structural diagram of a partial edge pixel region of a color filter substrate according to an embodiment of the present disclosure.
  • each edge pixel region includes three sub-pixel regions of a red sub-pixel region 211, a green sub-pixel region 212, and a blue sub-pixel region 213, and the color film layer corresponding to the red sub-pixel region 211 adopts a red color resist.
  • the block 111 is formed.
  • the color film layer corresponding to the green sub-pixel region 212 is formed by the green color block 112, and the color film layer corresponding to the blue sub-pixel region 213 is formed by the blue color block 113.
  • the color filter substrate includes a display area (corresponding to A1 in FIG. 1) and a non-display area (corresponding to A2 in FIG. 1), and the display area includes at least one shaped edge area (corresponding to A10 in FIG. 1).
  • Each of the shaped edge regions includes a plurality of edge pixel regions, and the display panel further includes a light shielding structure disposed on the shaped edge region, and the light shielding structure includes a light shielding unit disposed in one-to-one correspondence with the edge pixel regions.
  • the light shielding structure is a black matrix, and the black matrix has the same occlusion area on the three sub-pixel regions of the same edge pixel region.
  • the orthographic projection of the black matrix on each sub-pixel region covers one end of the corresponding sub-pixel region in the pixel column direction close to the non-display region, and the boundary between the orthographic projection and the corresponding sub-pixel region is It is an arc that is recessed toward the non-display area.
  • the plurality of edge pixel regions constitute a plurality of pixel group regions arranged in a stepwise manner, that is, the profiled edge regions include a plurality of pixel groups arranged in a stepped manner.
  • the plurality of pixel group regions include at least one of a first pixel group region, a second pixel group region, and a third pixel group region.
  • the first pixel group region includes at least two edge pixel regions disposed in the same pixel region column in the pixel column direction, that is, a region corresponding to the first pixel group P1 in the embodiment shown in FIG. 6.
  • the second pixel group region includes at least two edge pixel regions disposed in the same pixel region row in the pixel row direction, that is, a region corresponding to the second pixel group P2 in the embodiment shown in FIG. 6.
  • the third pixel group region includes one edge pixel region, that is, a region corresponding to the third pixel group P3 in the embodiment shown in FIG. 6.
  • the occlusion area S 1 of the shading unit of the edge pixel area in the first pixel group area is decreased in the direction away from the non-display area, 0 ⁇ S 1 ⁇ S B , see FIG. 7 and FIG. 9 . 10 and related descriptions of the shading unit of the edge pixel region in the first pixel group region in the embodiment shown in FIG.
  • the occlusion area S 2 of the shading unit of the edge pixel region in the second pixel group region is decreased in the direction away from the non-display region, 0 ⁇ S 2 ⁇ S B , and S B is the edge pixel region area.
  • S B is the edge pixel region area.
  • a light shielding structure is disposed on a profiled edge region of the color filter substrate, and the light shielding structure includes a light shielding unit disposed in one-to-one correspondence with the edge pixels.
  • Each of the edge pixel regions includes a plurality of sub-pixel regions, and the occlusion regions of the plurality of sub-pixel regions of the same edge pixel region are equal, that is, in the same edge pixel region, the light-emitting area of each sub-pixel region is equal, and the pixel can be prevented.
  • a color shift phenomenon occurs, and the orthographic projection of the light shielding unit on each sub-pixel region covers one end of the corresponding sub-pixel region in the pixel column direction close to the non-display region, and the boundary between the orthographic projection and the corresponding sub-pixel region is
  • An arc that is recessed toward the non-display area, that is, an end of each sub-pixel area that is close to the non-display area in the pixel column direction is a convex arc, for example, a semicircle.
  • the curved design can make the sawtooth weakening effect of the shaped edge region more obvious, reduce the edge sawtooth effect of the color film substrate, and improve the display effect of the color film substrate, so that the saw teeth of the shaped edge region of the human eye are no longer obvious.

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Abstract

一种显示面板、显示装置及彩膜基板。显示面板的异形边缘区(A10)包括多个边缘像素，异形边缘区(A10)有设置遮光结构，遮光结构包括与多个边缘像素一一对应设置的遮光单元。多个边缘像素均包括在第一方向上并排布置的多个子像素，遮光单元在同一边缘像素的多个子像素上的遮挡面积相等，能够防止像素产生色偏现象，同时遮光单元在每个子像素上的正投影均覆盖对应的子像素的在第二方向上靠近非显示区域(A2)的一端，且正投影与对应的子像素的交界线均为的弧形，第二方向与第一方向垂直，弧形设计可以使得异形边缘区(A10)的锯齿的弱化效果更明显，降低了显示面板的边缘锯齿效应。

Description

显示面板、显示装置及彩膜基板
本申请要求于2018年3月19日提交的、申请号为201810225574.7、发明名称为“一种显示面板、显示装置及彩膜基板”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及一种显示面板、显示装置及彩膜基板。
背景技术
随着显示技术的飞速发展，各种异形显示面板广泛应用于电子设备中。异形显示面板是指具有非矩形显示区域的显示面板，例如圆形显示区域、扇形显示区域等。
对于具有非矩形显示区域的显示面板来说，在非矩形显示区域的异形边缘处，像素会沿异形边缘处的边界线布置，以更好地与异形边缘处的边界线吻合。但是由于显示面板中的每个像素均包括多个子像素，而子像素呈矩形，因此位于异形边缘处的子像素与异形边缘处的边界线并不能完全匹配，会存在锯齿状的缺口，导致显示的画面在显示区域的异形边缘处存在锯齿，影响异形显示面板的视觉效果。
发明内容
本公开实施例提供了一种显示面板、显示装置及彩膜基板。
本公开至少一实施例提供了一种显示面板，所述显示面板包括显示区域和与所述显示区域相邻的非显示区域，所述显示区域包括至少一个异形边缘区，每个所述异形边缘区包括多个边缘像素，所述显示面板还包括在所述异形边缘区的遮光结构，所述遮光结构包括与所述边缘像素一一对应的遮光单元。
每个所述边缘像素均包括在第一方向上并排布置的多个子像素，所述遮光单元在每个所述子像素上的正投影均覆盖对应的子像素的第一端，所述第一端为在第二方向上靠近所述非显示区域的一端，且所述正投影与对应的子像素的交界线均为弧形，所述第二方向与所述第一方向垂直。
这里，第一方向为像素行排列方向和像素列排列方向中的一种。
进一步地，所述正投影与对应的子像素的交界线均沿所述第二方向向所述非显示区域凹陷。
进一步地，所述异形边缘区包括呈阶梯状布置的多个像素组，所述多个像素组包括第一像素组、第二像素组和第三像素组中的至少一种。
所述第一像素组包括在同一像素列的至少两个边缘像素，所述第二像素组包括在同一像素行的至少两个边缘像素，所述第三像素组包括一个边缘像素。
在所述第二方向上，所述第一像素组中边缘像素的遮光单元的遮挡面积S 1沿远离所述非显示区域的方向等差递减，0＜S 1＜S B，在所述第一方向上，所述第二像素组中边缘像素的遮光单元的遮挡面积S 2沿远离所述非显示区域的方向等差递减，0＜S 2＜S B，S B为每个边缘像素的面积。
进一步地，在所述像素行方向上，所述第二像素组中相邻的两个边缘像素的遮光单元的遮挡面积满足以下条件：
10％≤|S 2a-S 2b|/S B≤30％；
在本公开实施例中，S 2a和S 2b分别为在所述像素行方向上，所述第二像素组中相邻的两个边缘像素的遮光单元的遮挡面积。
进一步地，在所述第二方向上，所述第一像素组中相邻的两个边缘像素的遮光单元的遮挡面积满足以下条件：
10％≤|S 1c-S 1d|/S B≤30％；
在本公开实施例中，S 1c和S 1d分别为在所述第二方向上，所述第一像素组中相邻的两个边缘像素的遮光单元的遮挡面积。
进一步地，所述多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积的差值满足以下条件：
10％≤|S m-S n|/S B≤30％；
在本公开实施例中，S m和S n分别为所述多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积，所述第一像素组的最边缘像素为在第二方向上最靠近所述非显示区域的边缘像素，所述第二像素组的最边缘像素为在第一方向上最靠近所述非显示区域的边缘像素，所述第三像素组中的所述一个边缘像素为最边缘像素。
进一步地，所述显示面板还包括黑矩阵，所述遮光结构为黑矩阵。
进一步地，所述显示面板包括阵列基板和与所述阵列基板对向设置的彩膜 基板，所述黑矩阵位于所述彩膜基板上。
进一步地，所述异形边缘区的边界线为向所述非显示区域凸出的弧线或者为向所述显示区域凸出的弧线。
进一步地，所述弧线为半圆形。
进一步地，所述显示区域呈扇形、弧形、圆形、圆角矩形或多边形。
本公开至少一实施例还提供一种显示装置，所述显示装置包括如第一方面任一项所述的显示面板。
本公开至少一实施例提供了一种彩膜基板，所述彩膜基板包括显示区域和非显示区域，所述显示区域包括至少一个异形边缘区，每个所述异形边缘区包括多个边缘像素区域，所述彩膜基板还包括在所述异形边缘区的遮光结构，所述遮光结构包括与所述边缘像素区域一一对应的遮光单元。
每个所述边缘像素区域均包括在第一方向上并排布置的多个子像素区域，所述遮光单元在每个所述子像素区域上的正投影均覆盖对应的子像素区域的第一端，所述第一端为在第二方向上靠近所述非显示区域的一端，且所述正投影与对应的子像素区域的交界线均为弧形，所述第二方向与所述第一方向垂直。
进一步地，所述正投影与对应的子像素区域的交界线均沿所述第二方向向所述非显示区域凹陷。
进一步地，所述异形边缘区包括呈阶梯状布置的多个像素组，所述多个像素组区域包括第一像素组区域、第二像素组区域和第三像素组区域中的至少一种。
所述第一像素组区域包括在同一像素区域列的至少两个边缘像素区域，所述第二像素组区域包括沿像素行方向设置在同一像素区域行的至少两个边缘像素区域，所述第三像素组区域包括一个边缘像素区域。
在所述第二方向上，所述第一像素组区域中边缘像素区域的遮光单元的遮挡面积S 1沿远离所述非显示区域的方向等差递减，0＜S 1＜S B，在所述第一方向上，所述第二像素组区域中边缘像素区域的遮光单元的遮挡面积S 2沿远离所述非显示区域的方向等差递减，0＜S 2＜S B，S B为每个边缘像素区域的面积。
附图说明
图1是本公开实施例提供的一种显示面板的结构示意图；
图2是图1中区域I的一种放大示意图；
图3是本公开实施例提供的另一种显示面板的结构示意图；
图4是图3中区域I的另一种放大示意图；
图5是图1中区域I的另一种放大示意图；
图6是图1的局部放大示意图；
图7是图6中区域II的放大示意图；
图8是图6中区域III的放大示意图；
图9是图7中区域IV的一种放大示意图；
图10是图7中区域IV的另一种放大示意图；
图11是图7中区域IV的又一种放大示意图；
图12是图8中区域V的一种放大示意图；
图13是本公开实施例提供的另一种显示面板的结构示意图；
图14是图13的局部放大示意图；
图15是本公开实施例提供的又一种显示面板的结构示意图；
图16是图15的局部放大示意图；
图17是本公开实施例提供的又一种显示面板的结构示意图；
图18是图17的局部放大示意图；
图19是本公开实施例提供的一种彩膜基板的结构示意图；
图20是本公开实施例提供的一种彩膜基板的部分边缘像素区域的结构示意图。
具体实施方式
为使本公开的原理和优点更加清楚，下面将结合附图对本公开实施方式作进一步地详细描述。
图1是本公开实施例提供的一种显示面板的结构示意图。如图1所示，本公开实施例提供了一种显示面板，显示面板包括显示区域A1和与显示区域A1相邻的非显示区域A2，非显示区域A2围绕显示区域A1设置，显示区域A1包括阵列布置的多个像素。显示区域A1包括至少一个异形边缘区A10，每个异形边缘区A10包括多个边缘像素。
需要说明的是，在本公开实施例中，异形边缘区A10是指显示区域A1和非显示区域A2的边界线不是沿像素行方向或像素列方向布置的区域。边缘像素是指与非显示区域A2相邻的像素。边缘像素包括位于异形边缘区A10的多个边缘像素。
在图1所示实施例中，显示面板的显示区域A1的边界线为圆形，该显示面板具有四个异形边缘区A10，图1中所示的异形边缘区A10为灰色阴影部分，这四个异形边缘区A10之间相互间隔。该四个异形边缘区A10分别包括位于图1左上角的第一异形边缘区、位于图1右上角的第二异形边缘区、位于图1左下角的第三异形边缘区和位于图1右下角的第四异形边缘区。
显示面板还包括设置于异形边缘区A10的遮光结构，遮光结构包括与边缘像素一一对应设置的遮光单元。
图2为图1中区域I的一种放大示意图。如图1和图2所示，图1和图2中每个矩形块均表示一个像素，像素包括边缘像素和非边缘像素，图中黑色部分表示非显示区域A2，白色矩形块表示位于显示区域A1的非边缘像素，带阴影的矩形块表示位于异形边缘区A10的边缘像素，非边缘像素中的子像素的设置方式与边缘像素中的子像素的设置方式相同。每个边缘像素均可以包括红色子像素R、绿色子像素G和蓝色子像素B共3个子像素，三个子像素按照像素行方向(即图2中x方向)排列。遮光单元K在每个子像素上的正投影均覆盖对应的子像素的在像素列方向(即图2中y方向)上靠近非显示区域A2的一端，且正投影与对应的子像素的交界线均为弧形。
可选地，每个子像素之间也设有黑矩阵，在图2以及下述图7、图8、图9、图10、图11、图12中均未示出每个子像素之间的黑矩阵。
本公开实施例通过在显示面板的异形边缘区设置遮光结构，遮光结构包括与边缘像素一一对应设置的遮光单元。每个边缘像素均包括多个子像素，遮光单元在同一边缘像素的多个子像素上的遮挡面积相等，即在同一边缘像素中，每个子像素的发光面积相等，能够防止像素产生色偏现象，同时遮光单元在每个子像素上的正投影均覆盖对应的子像素的在像素列方向上靠近非显示区域的一端，且正投影与对应的子像素的交界线均为弧形，即每个子像素在像素列方向上靠近非显示区域的一端为弧形，例如是半圆形。弧形设计可以使得异形边缘区的锯齿的弱化效果更明显，降低了显示面板的边缘锯齿效应，提升了异形显示面板的显示效果，使得人眼感知异形边缘区的锯齿不再明显。
如图2所示，遮光单元K在同一边缘像素的多个子像素上的遮挡面积相等。遮光单元在同一边缘像素的多个子像素上的遮挡面积相等，且遮光单元在每个子像素上的正投影均覆盖对应的子像素的在像素列方向上靠近非显示区域的一端，方便遮光单元的设计和制作。
如图1和图2所示，在本公开实施例的一种实现方式中，正投影与对应的子像素的交界线均沿像素列方向向非显示区域A2凹陷。正投影与对应的子像素的交界线均为向非显示区域凹陷的弧形，即每个子像素在像素列方向上靠近非显示区域的一端为凸起的弧形。
图3是本公开实施例提供的另一种显示面板的结构示意图。在图3所示实施例中，显示面板的显示区域A1的边界线包括外凸的圆弧部分和内陷的圆弧部分，外凸的圆弧部分的遮光结构可以按照图2所示的方案设置，而内陷的圆弧部分的遮光结构则采用图4所示的方案设置。
图4为图3中区域I的另一种放大示意图。如图1和图4所示，在本公开实施例的另一种实现方式中，正投影与对应的子像素的交界线均沿像素列方向向显示区域A1凹陷。正投影与对应的子像素的交界线均为向显示区域凹陷的弧形，即每个子像素在像素列方向上靠近显示区域的一端为凸起的弧形。
也即，当显示区域A1的边界线为外凸时，正投影与对应的子像素的交界线均为向非显示区域凹陷的弧形。当显示区域A1的边界线为内陷时，正投影与对应的子像素的交界线均为向显示区域凹陷的弧形。
图5为图1中区域I的另一种放大示意图。图5所示的像素结构与图2的区别在于，三个子像素按照像素列方向(即图5中y方向)排列，遮光单元K在每个子像素上的正投影均覆盖对应的子像素的在像素行方向(即图2中x方向)上靠近非显示区域A2的一端。
在图5所示的结构中，正投影与对应的子像素的交界线均沿像素行方向向非显示区域A2凹陷。
也就是说，在图2、图4和图5所示的像素结构中，每个边缘像素均包括在第一方向上并排布置的多个子像素，遮光单元在每个子像素上的正投影均覆盖对应的子像素的第一端，第一端为在第二方向上靠近非显示区域的一端，第一方向为像素行方向和像素列方向中的一种，第二方向与第一方向垂直。
需要说明的是，在本公开的其它实施例中，每个边缘像素并不限于如图2和图5中的由R、G、B三个子像素构成，例如，可以由红色、绿色、蓝色和 白色的四个子像素构成。同时，每个边缘像素中的各子像素的排列方式也不限于图2中的排列结构，也可以采用其它的排列结构。
示例性的，在本实施例中，每个遮光单元均位于所对应的边缘像素的出光侧。
下面以图2所示的像素结构为例，对本公开提供的显示面板的结构进行进一步说明，参见后续图6～图20。
图6是图1的局部放大图。如图6所示，图6为图1中的左上角区域，异形边缘区A10中的多个边缘像素组成呈阶梯状布置的多个像素组，也即异形边缘区A10包括呈阶梯状布置的多个像素组。多个像素组包括第一像素组P1、第二像素组P2和第三像素组P3中的至少一种。第一像素组P1包括沿像素列方向(即图6中y方向)设置在同一像素列的至少两个边缘像素，第二像素组P2包括沿像素行方向(即图6中x方向)设置在同一像素行的至少两个边缘像素，第三像素组P3包括一个边缘像素。
在本实施例中，显示面板具有四个异形边缘区A10，四个异形边缘区A10是对称布置的，图6中包括图1中的四个异形边缘区A10中的一个异形边缘区A10，该异形边缘区A10包括5个第一像素组P1，5个第二像素组P2和8个第三像素组P3。
在像素列方向上，第一像素组P1中边缘像素的遮光单元的遮挡面积S 1沿远离非显示区域A2的方向等差递减，0＜S 1＜S B，在像素行方向上，第二像素组P2中边缘像素的遮光单元的遮挡面积S 2沿远离非显示区域A2的方向等差递减，0＜S 2＜S B，S B为每个边缘像素的面积，从而可以实现显示面板从显示区域到非显示区域，亮度由明到暗的平滑过渡，使得边缘柔化显示，降低了显示面板的边缘锯齿效应，提升了异形显示面板的显示效果，使得人眼感知异形边缘区的锯齿不再明显。
进一步地，多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积的差值满足以下条件：
10％≤|S m-S n|/S B≤30％；
在本公开实施例中，S m和S n分别为多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积，第一像素组P1的最边缘像素为在像素列方向上最靠近非显示区域A2的边缘像素，第二像素组P2的最边缘像素为在像素行方向上最靠近非显示区域A2的边缘像素，第三像素组P3中的一个边缘像素为 最边缘像素。通过设置多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积差，可以保证相邻像素组的亮度差不会太大，从而实现显示面板从显示区域到非显示区域，亮度由明到暗的平滑过渡。
图7是图6中区域II的放大示意图。如图7所示，图中包括两个相邻的第二像素组P2，位于第m行的第二像素组P2包括5个边缘像素m 1、m 2、m 3、m 4和m 5，5个边缘像素中最靠近非显示区域A2的边缘像素m 1为最边缘像素，最边缘像素m 1的遮光单元的遮挡面积为S m1，位于第n行的第二像素组P2包括4个边缘像素，4个边缘像素中最靠近非显示区域A2的边缘像素n 1为最边缘像素，4个边缘像素中最靠近非显示区域A2的边缘像素为最左侧的边缘像素n 1，边缘像素n 1的两个侧边靠近非显示区域A2，最边缘像素n 1的遮光单元的遮挡面积为S n1，则最边缘像素m 1和最边缘像素n 1的遮光单元的遮挡面积的差值满足：10％≤|S m1-S n1|/S B≤30％。
图8是图6中区域III的放大示意图。如图8所示，图中包括两个相邻的第一像素组P1，位于第p列的第一像素组P1包括6个边缘像素p 1、p 2、p 3、p 4、p 5和p 6，6个边缘像素中最靠近非显示区域A2的边缘像素p 1为最边缘像素，最边缘像素p 1的遮光单元的遮挡面积为S p1，位于第q列的第一像素组P1包括3个边缘像素，3个边缘像素中最靠近非显示区域A2的边缘像素q 1为最边缘像素，3个边缘像素中最靠近非显示区域A2的边缘像素为最上方的边缘像素q 1，边缘像素q 1的两个侧边靠近非显示区域A2，最边缘像素q 1的遮光单元的遮挡面积为S q1，则最边缘像素p 1和最边缘像素q 1的遮光单元的遮挡面积的差值满足：10％≤|S p1-S q1|/S B≤30％。
进一步地，在像素行方向上，第二像素组P2中相邻的两个边缘像素的遮光单元的遮挡面积满足以下条件：
10％≤|S 2a-S 2b|/S B≤30％；
在本公开实施例中，S 2a和S 2b分别为在像素行方向上，第二像素组P2中相邻的两个边缘像素的遮光单元的遮挡面积。在像素行方向上，第二像素组P2中相邻的边缘像素的遮光单元的遮挡面积S 2的差值在设定范围，可以保证同一行的边缘像素的亮度差不会太大，实现了显示面板从显示区域A1到非显示区域A2，亮度由明到暗的平滑过渡。
图9是图7中区域IV的一种放大示意图。如图9所示，在第m行像素中，第二像素组P2包括5个边缘像素m 1、m 2、m 3、m 4和m 5。每个边缘像素均设 有遮光单元，图9中的百分数表示未遮挡像素面积比，该未遮挡像素面积比表示每个边缘像素中未被遮光单元遮挡的像素面积与该边缘像素的面积的百分比。在本实施例中边缘像素m 1、m 2、m 3、m 4和m 5的未遮挡像素面积比依次为15％、35％、55％、75％和95％。则相邻的两个边缘像素，例如边缘像素m 1的遮光单元的遮挡面积S 21与边缘像素m 1的面积S B的比值为85％，边缘像素m 2的遮光单元的遮挡面积S 22与边缘像素m 2的面积S B的比值为65％，85％-65％＝20％，满足10％≤|S 21-S 22|/S B≤30％。
图10是图7中区域IV的另一种放大示意图。如图10所示，在本实施例中边缘像素m 1、m 2、m 3、m 4和m 5的未遮挡像素面积比依次为55％、65％、75％、85％和95％。则相邻的两个边缘像素，例如边缘像素m 1的遮光单元的遮挡面积S 21与边缘像素m 1的面积S B的比值为45％，边缘像素m 2的遮光单元的遮挡面积S 22与边缘像素m 2的面积S B的比值为35％，45％-35％＝10％，满足10％≤|S 21-S 22|/S B≤30％。
图11是图7中区域IV的又一种放大示意图。如图11所示，在本实施例中边缘像素m 1、m 2、m 3、m 4和m 5的未遮挡像素面积比依次为45％、55％、65％、75％和85％。则相邻的两个边缘像素，例如边缘像素m 1的遮光单元的遮挡面积S 21与边缘像素m 1的面积S B的比值为55％，边缘像素m 2的遮光单元的遮挡面积S 22与边缘像素m 2的面积S B的比值为45％，55％-45％＝10％，满足10％≤|S 21-S 22|/S B≤30％。
在像素列方向上，第一像素组P1中相邻的两个边缘像素的遮光单元的遮挡面积的差值满足以下条件：
10％≤|S 1c-S 1d|/S B≤30％；
在本公开实施例中，S 1c和S 1d分别为在像素列方向上，第一像素组中相邻的两个边缘像素的遮光单元的遮挡面积。在像素列方向上，第一像素组中相邻的边缘像素的遮光单元的遮挡面积S 1的差值在设定范围，可以保证同一行的边缘像素的亮度差不会太大，实现了显示面板从显示区域A1到非显示区域A2，亮度由明到暗的平滑过渡。
图12是图8中区域V的一种放大示意图。如图12和图8所示，在第p列像素中，第一像素组P1包括6个边缘像素p 1、p 2、p 3、p 4、p 5和p 6。每个边缘像素均设有遮光单元，图12中的百分数表示未遮挡像素面积比，该未遮挡像素面积比表示每个边缘像素中未被遮光单元遮挡的像素面积与该边缘像素 的总面积的百分比。在本实施例中边缘像素p 1、p 2、p 3、p 4、p 5和p 6的未遮挡像素面积比依次为45％、55％、65％、75％、85％和95％。则相邻的两个边缘像素，例如边缘像素p 1和边缘像素p 2，边缘像素p 1的遮光单元的遮挡面积S 11与边缘像素p 1的面积S B的比值为55％，边缘像素p 2的遮光单元的遮挡面积S 12与边缘像素p 2的面积S B的比值为45％，55％-45％＝10％，满足10％≤|S 11-S 12|/S B≤30％。
进一步地，显示面板还包括黑矩阵。在本公开的一种实现方式中，遮光结构为该黑矩阵。采用黑矩阵遮盖效果好且易于实现。由于在一般的显示面板中均设置有用于遮挡的黑矩阵，因此，在制备上述异形显示面板时，可以在形成黑矩阵时直接形成遮光结构，使遮光结构随黑矩阵的形成而形成，由于黑矩阵和遮光结构均起到遮挡作用，且不需要设置另外的工艺来制备遮光结构，因此，有利于降低显示面板的设计难度，无需增加显示面板的制备工艺，并可提高生产效率。
在本公开的另一种实现方式中，遮光结构也可以与阵列基板上的不透光层同层制作，例如和栅极、源漏极等同层制作。
进一步地，显示面板包括阵列基板和与阵列基板对向设置的彩膜基板，黑矩阵位于彩膜基板上。
在本公开实施例中，如图1所示，异形边缘区A10的边界线为向非显示区域A2凸出的弧线。
图13是本公开实施例提供的另一种显示面板的结构示意图。如图13所示，该显示面板中，中部的圆形区域为非显示区域A2，围绕非显示区域A2的为显示区域A1。异形边缘区A10的边界线还可以为向显示区域A1凸出的弧线。
需要说明的是，图1和图13分别对应内圆角异形边缘和外圆角异形边缘显示面板，图1和图13的结构只是一种示例，在其他实施例中图1和图13的结构也可以只有一半或者四分之一，这种情况下仍然可以采用上述方案。这里，内圆角异形边缘通常设计在手机等移动终端的显示面板的四角，外圆角异形边缘通常设计在手机等移动终端的显示面板的顶部设置摄像头的区域。
图14是图13的局部放大示意图。如图14所示，异形边缘区A10包括呈阶梯状布置的多个像素组，多个像素组包括第一像素组P1、第二像素组P2和第三像素组P3中的至少一种。第一像素组P1包括沿像素列方向(即图14中y方向)设置在同一像素列的至少两个边缘像素，第二像素组P2包括沿像素行 方向(即图14中x方向)设置在同一像素行的至少两个边缘像素，第三像素组P3包括一个边缘像素。
显示面板还包括设置于异形边缘区A10的遮光结构(图中未示出)，遮光结构包括与边缘像素一一对应设置的遮光单元，每个遮光单元均位于所对应的边缘像素的出光侧。在像素列方向上，第一像素组P1中边缘像素的遮光单元的遮挡面积S 1沿远离非显示区域A2的方向等差递减，0＜S 1＜S B，在像素行方向上，第二像素组P2中边缘像素的遮光单元的遮挡面积S 2沿远离非显示区域A2的方向等差递减，0＜S 2＜S B，S B为每个边缘像素的面积。
进一步地，在其它实施例中，显示区域还可以为扇形、弧形、圆形、圆角矩形或多边形。
图15是本公开实施例提供的又一种显示面板的结构示意图。如图15所示，此时显示区域呈八边形，显示面板包括显示区域A1和与显示区域A1相邻的非显示区域A2。在如图15所示的实施例中，显示区域A1包括八个异形边缘区A10，每个异形边缘区A10对应八边形的一条边，异形边缘区A10包括多个边缘像素。
图16是图15的局部放大示意图。如图16所示，图16中包括位于图15中左上角的第一异形边缘区A11和第二异形边缘区A12，第一异形边缘区A11中的多个边缘像素组成呈阶梯状布置的多个像素组，多个像素组包括第一像素组P1，第一像素组P1包括沿像素列方向(即图16中y方向)设置在同一像素列的至少两个边缘像素。第二异形边缘区A12中的多个边缘像素组成呈阶梯状布置的多个像素组，多个像素组包括第二像素组P2，第二像素组P2包括沿像素行方向(即图16中x方向)设置在同一像素行的至少两个边缘像素。
在如图16所示的实施例中，第一异形边缘区A11包括9个第一像素组P1，第二异形边缘区A12包括9个第一像素组P2。
图17是本公开实施例提供的又一种显示面板的结构示意图。如图17所示，显示面板包括显示区域A1和与显示区域A1相邻的非显示区域A2。在如图17所示的实施例中，显示区域A1为圆角矩形，显示区域A1包括位于显示区域A1四角的四个异形边缘区A10，异形边缘区A10包括多个边缘像素。
图18是图17的局部放大示意图。如图18所示，图18中包括位于图17中左上角的异形边缘区A10，异形边缘区A10中的多个边缘像素组成呈阶梯状布置的多个像素组，多个像素组包括第一像素组P1、第二像素组P2和第三像 素组P3中的至少一种。第一像素组P1包括沿像素列方向(即图18中y方向)设置在同一像素列的至少两个边缘像素，第二像素组P2包括沿像素行方向(即图18中x方向)设置在同一像素行的至少两个边缘像素，第三像素组P3包括一个边缘像素。
在如图18所示的实施例中，该异形边缘区A10包括1个第一像素组P1，1个第一像素组P2和4个第一像素组P3。
本公开实施例还提供了一种显示装置，该显示装置包括如图1或图13或图15或图17所示的显示面板。
在本公开实施例中，本公开实施例提供的显示装置可以为手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
本公开实施例通过在显示面板的异形边缘区设置遮光结构，遮光结构包括与边缘像素一一对应设置的遮光单元。每个边缘像素均包括多个子像素，遮光单元在同一边缘像素的多个子像素上的遮挡面积相等，即在同一边缘像素中，每个子像素的发光面积相等，能够防止像素产生色偏现象，同时遮光单元在每个子像素上的正投影均覆盖对应的子像素的在像素列方向上靠近非显示区域的一端，且正投影与对应的子像素的交界线均为向非显示区域凹陷的弧形，即每个子像素在像素列方向上靠近非显示区域的一端为凸起的弧形，例如是半圆形。弧形设计可以使得异形边缘区的锯齿的弱化效果更明显，降低了显示面板的边缘锯齿效应，提升了异形显示面板的显示效果，使得人眼感知异形边缘区的锯齿不再明显。
本公开实施例还提供了一种彩膜基板，图19是本公开实施例提供的一种彩膜基板的结构示意图。如图19所示，彩膜基板通常包括衬底基板100和形成在衬底基板100上的彩膜层110和黑矩阵120，黑矩阵120的透光区域被彩膜层110所填充，子像素出射的光经过填充彩膜层110的透光区域后具有颜色。在本公开实施例中。在本公开实施例中，彩膜层110采用色阻材料制作而成，可以包括例如红色色阻块111、绿色色阻块112和蓝色色阻块113。
图20是本公开实施例提供的一种彩膜基板的部分边缘像素区域的结构示意图。如图20所示，每个边缘像素区域均包括红色子像素区域211、绿色子像 素区域212和蓝色子像素区域213三个子像素区域，红色子像素区域211对应的彩膜层采用红色色阻块111制作而成，绿色子像素区域212对应的彩膜层采用绿色色阻块112制作而成，蓝色子像素区域213对应的彩膜层采用蓝色色阻块113制作而成。
与图1的显示面板结构对应，彩膜基板包括显示区域(对应图1中A1)和非显示区域(对应图1中A2)，显示区域包括至少一个异形边缘区(对应图1中A10)，每个异形边缘区包括多个边缘像素区域，显示面板还包括设置于异形边缘区的遮光结构，遮光结构包括与边缘像素区域一一对应设置的遮光单元。
在本实施例中，遮光结构为黑矩阵，黑矩阵在同一边缘像素区域的三个子像素区域上的遮挡面积相等。在像素列方向上，黑矩阵在每个子像素区域上的正投影均覆盖对应的子像素区域的在像素列方向上靠近非显示区域的一端，且正投影与对应的子像素区域的交界线均为向非显示区域凹陷的弧形。
进一步地，多个边缘像素区域组成呈阶梯状布置的多个像素组区域，也即异形边缘区包括呈阶梯状布置的多个像素组。多个像素组区域包括第一像素组区域、第二像素组区域和第三像素组区域中的至少一种。
第一像素组区域包括沿像素列方向设置在同一像素区域列的至少两个边缘像素区域，即图6所示实施例中的第一像素组P1所对应的区域。第二像素组区域包括沿像素行方向设置在同一像素区域行的至少两个边缘像素区域，即图6所示实施例中的第二像素组P2所对应的区域。第三像素组区域包括一个边缘像素区域，即图6所示实施例中的第三像素组P3所对应的区域。
在像素列方向上，第一像素组区域中边缘像素区域的遮光单元的遮挡面积S 1沿远离非显示区域的方向等差递减，0＜S 1＜S B，可参见图7、图9图10和图11所示实施例中关于第一像素组区域中边缘像素区域的遮光单元的相关描述。
在像素行方向上，第二像素组区域中边缘像素区域的遮光单元的遮挡面积S 2沿远离非显示区域的方向等差递减，0＜S 2＜S B，S B为每个边缘像素区域的面积。可参见图8和图12所示实施例中关于第二像素组区域中边缘像素区域的遮光单元的相关描述。
本公开实施例通过在彩膜基板的异形边缘区设置遮光结构，遮光结构包括与边缘像素一一对应设置的遮光单元。每个边缘像素区域均包括多个子像素区 域，遮光单元在同一边缘像素区域的多个子像素区域上的遮挡面积相等，即在同一边缘像素区域中，每个子像素区域的发光面积相等，能够防止像素产生色偏现象，同时遮光单元在每个子像素区域上的正投影均覆盖对应的子像素区域的在像素列方向上靠近非显示区域的一端，且正投影与对应的子像素区域的交界线均为向非显示区域凹陷的弧形，即每个子像素区域在像素列方向上靠近非显示区域的一端为凸起的弧形，例如是半圆形。弧形设计可以使得异形边缘区的锯齿的弱化效果更明显，降低了彩膜基板的边缘锯齿效应，提升了彩膜基板的显示效果，使得人眼感知异形边缘区的锯齿不再明显。
以上仅为本公开的示例性实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开所附权利要求书限定的保护范围之内。

Claims (15)

  1. 一种显示面板，包括：显示区域和与所述显示区域相邻的非显示区域，所述显示区域包括至少一个异形边缘区，每个所述异形边缘区包括多个边缘像素，所述显示面板还包括在所述异形边缘区的遮光结构，所述遮光结构包括与所述边缘像素一一对应的遮光单元；
    每个所述边缘像素均包括在第一方向上并排布置的多个子像素，所述遮光单元在每个所述子像素上的正投影均覆盖对应的子像素的第一端，所述第一端为在第二方向上靠近所述非显示区域的一端，且所述正投影与对应的子像素的交界线为弧形，所述第二方向与所述第一方向垂直。
  2. 根据权利要求1所述的显示面板，其中，所述正投影与对应的子像素的交界线均沿所述第二方向向所述非显示区域凹陷。
  3. 根据权利要求1或2所述的显示面板，其中，所述异形边缘区包括呈阶梯状布置的多个像素组，所述多个像素组包括第一像素组、第二像素组和第三像素组中的至少一种；
    所述第一像素组包括在同一像素列的至少两个边缘像素，所述第二像素组包括在同一像素行的至少两个边缘像素，所述第三像素组包括一个边缘像素；
    在所述第二方向上，所述第一像素组中边缘像素的遮光单元的遮挡面积S 1沿远离所述非显示区域的方向等差递减，0＜S 1＜S B，在所述第一方向上，所述第二像素组中边缘像素的遮光单元的遮挡面积S 2沿远离所述非显示区域的方向等差递减，0＜S 2＜S B，S B为每个边缘像素的面积。
  4. 根据权利要求3所述的显示面板，其中，在所述第一方向上，所述第二像素组中相邻的两个边缘像素的遮光单元的遮挡面积满足以下条件：
    10％≤|S 2a-S 2b|/S B≤30％；
    其中，S 2a和S 2b分别为在所述第一方向上，所述第二像素组中相邻的两个边缘像素的遮光单元的遮挡面积。
  5. 根据权利要求3所述的显示面板，其中，在所述第二方向上，所述第一像素组中相邻的两个边缘像素的遮光单元的遮挡面积满足以下条件：
    10％≤|S 1c-S 1d|/S B≤30％；
    其中，S 1c和S 1d分别为在所述第二方向上，所述第一像素组中相邻的两个边缘像素的遮光单元的遮挡面积。
  6. 根据权利要求3所述的显示面板，其中，所述多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积的差值满足以下条件：
    10％≤|S m-S n|/S B≤30％；
    其中，S m和S n分别为所述多个像素组中相邻两个像素组的最边缘像素的遮光单元的遮挡面积，所述第一像素组的最边缘像素为在第二方向上最靠近所述非显示区域的边缘像素，所述第二像素组的最边缘像素为在第一方向上最靠近所述非显示区域的边缘像素，所述第三像素组中的所述一个边缘像素为最边缘像素。
  7. 根据权利要求1-6任一项所述的显示面板，其中，所述遮光结构为黑矩阵。
  8. 根据权利要求7所述的显示面板，其中，所述显示面板包括阵列基板和与所述阵列基板对向设置的彩膜基板，所述黑矩阵位于所述彩膜基板上。
  9. 根据权利要求1-8任一项所述的显示面板，其中，所述异形边缘区的边界线为向所述非显示区域凸出的弧线或者为向所述显示区域凸出的弧线。
  10. 根据权利要求9所述的显示面板，其中，所述弧线为半圆形。
  11. 根据权利要求1-10任一项所述的显示面板，其中，所述显示区域呈扇形、弧形、圆形、圆角矩形或多边形。
  12. 一种显示装置，包括如权利要求1-11任一项所述的显示面板。
  13. 一种彩膜基板，包括：显示区域和非显示区域，所述显示区域包括至少一个异形边缘区，每个所述异形边缘区包括多个边缘像素区域，所述彩膜基板还包括在所述异形边缘区的遮光结构，所述遮光结构包括与所述边缘像素区域一一对应的遮光单元；
    每个所述边缘像素区域均包括在第一方向上并排布置的多个子像素区域，所述遮光单元在每个所述子像素区域上的正投影均覆盖对应的子像素区域的第一端，所述第一端为在第二方向上靠近所述非显示区域的一端，且所述正投影与对应的子像素区域的交界线为弧形，所述第二方向与所述第一方向垂直。
  14. 根据权利要求13所述的彩膜基板，其中，所述正投影与对应的子像素区域的交界线均沿所述第二方向向所述非显示区域凹陷。
  15. 根据权利要求13或14所述的彩膜基板，其中，所述异形边缘区包括呈阶梯状布置的多个像素组，所述多个像素组区域包括第一像素组区域、第二像素组区域和第三像素组区域中的至少一种；
    所述第一像素组区域包括在同一像素区域列的至少两个边缘像素区域，所述第二像素组区域包括在同一像素区域行的至少两个边缘像素区域，所述第三像素组区域包括一个边缘像素区域；
    在所述第二方向上，所述第一像素组区域中边缘像素区域的遮光单元的遮挡面积S 1沿远离所述非显示区域的方向等差递减，0＜S 1＜S B，在所述第一方向上，所述第二像素组区域中边缘像素区域的遮光单元的遮挡面积S 2沿远离所述非显示区域的方向等差递减，0＜S 2＜S B，S B为每个边缘像素区域的面积。
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CN105511152A (zh) * 2016-02-02 2016-04-20 京东方科技集团股份有限公司 显示基板、显示面板和显示装置
CN106873224A (zh) * 2017-04-25 2017-06-20 武汉华星光电技术有限公司 一种显示面板及显示装置
CN107255883A (zh) * 2017-08-01 2017-10-17 京东方科技集团股份有限公司 一种显示基板及显示装置
CN107577078A (zh) * 2017-09-19 2018-01-12 厦门天马微电子有限公司 一种显示面板及显示装置
CN108364568A (zh) * 2018-03-19 2018-08-03 京东方科技集团股份有限公司 一种显示面板、显示装置及彩膜基板

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