Display panel and display device

Abstract

The application provides a display panel and a display device, and relates to the technical field of display, and the display panel comprises a display area, the display area comprises a first display area and a light sensing element setting area, the light sensing element setting area comprises a light transmission area and a light shielding area; a substrate and a plurality of pixel units on the substrate, wherein the light shielding area only comprises one pixel unit, and the pixel unit comprises a plurality of sub-pixels; in a direction perpendicular to a plane where the substrate is located, the light shielding area comprises an arc-shaped edge. The application provides a display panel and a display device, so that the diffraction phenomenon and the particle feeling of the light sensing element setting area are reduced.

Description

[0001] This application is a divisional application with the application date of November 27, 2019, application number 201911184050.9, and name “A display panel and display device”. Technical Field

[0002] The present invention relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0003] With the development of science and technology and the progress of society, people's dependence on the exchange and transmission of information is increasing. Display devices, as the main carrier and material basis for information exchange and transmission, have now become a hot topic of research for many scientists.

[0004] To enable functions such as video recording, a light sensor is often placed in the light sensor area of ​​the display panel. Ambient light can pass through the light sensor area and reach the light sensor, enabling functions such as video recording. The light sensor area can also display images, enabling full-screen display. However, when the light sensor is operating, ambient light can diffract as it passes through the light sensor area, creating stray light and affecting the normal operation of the light sensor. Summary of the Invention

[0005] The present invention provides a display panel and a display device, so as to reduce the diffraction phenomenon in the area where a light sensing element is arranged.

[0006] In a first aspect, an embodiment of the present invention provides a display panel, including:

[0007] A display area, the display area including a first display area and a light sensing element setting area, the light sensing element setting area including a light-transmitting area and a light-shielding area;

[0008] A base substrate and a plurality of pixel units located on the base substrate, wherein the light-shielding area includes only one pixel unit, and the pixel unit includes a plurality of sub-pixels;

[0009] In a direction perpendicular to the plane where the substrate is located, the light shielding area includes an arc-shaped edge.

[0010] In a second aspect, based on the same inventive concept, an embodiment of the present invention provides a display device, comprising the display panel described in the first aspect, and a light sensing element located in the light sensing element setting area; the light sensing element is located on the backlight side of the display panel.

[0011] In the display panel provided by an embodiment of the present invention, the shading area includes an arc-shaped edge. It can be understood that if the boundary line between the shading area and the light-transmitting area is a straight line, the light energy is distributed on both sides of the straight line, forming a plurality of light and dark stripes parallel to the extension direction of the straight line. If the boundary line between the shading area and the light-transmitting area is an arc, the arc is equivalent to being composed of a plurality of straight lines with different extension directions, and the light energy is distributed in a plurality of different directions, thereby weakening the diffraction phenomenon. In the present invention, only one pixel unit is provided in the shading area, and the pixel unit has a relatively low luminous brightness, so as to reduce or even eliminate the graininess of the image displayed in the area where the light-sensing element is provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of a top view of a display panel provided by an embodiment of the present invention;

[0013] Figure 2 For the Figure 1 Schematic diagram of the enlarged structure of the middle S1 region;

[0014] Figure 3 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0015] Figure 4 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0016] Figure 5 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0017] Figure 6 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0018] Figure 7 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0019] Figure 8 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0020] Figure 9 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0021] Figure 10 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0022] Figure 11 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0023] Figure 12 for Figure 11Schematic diagram of the enlarged structure of the shading area shown in;

[0024] Figure 13 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0025] Figure 14 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0026] Figure 15 A partial structural top view of another display panel provided by an embodiment of the present invention;

[0027] Figure 16 For the Figure 15 Schematic diagram of the enlarged structure of the middle S2 region;

[0028] Figure 17 For the Figure 16 Schematic diagram of the cross-sectional structure of AA';

[0029] Figure 18 A partial structural cross-sectional view of another display panel provided by an embodiment of the present invention;

[0030] Figure 19 A schematic structural diagram of a display device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0032] Figure 1 A schematic diagram of a top view of a display panel provided by an embodiment of the present invention is shown. Figure 2 For the Figure 1 Schematic diagram of the enlarged structure of the S1 region, see Figure 1 and Figure 2 The display panel includes a display area A1, which includes a first display area A2 and a light-sensing element setting area A3, and the light-sensing element setting area A3 includes a light-transmitting area A31 and a light-shielding area A32. When external ambient light is irradiated onto the light-sensing element setting area A3, it can pass through the light-transmitting area A31 in the light-sensing element setting area A3 and irradiate the backlight side of the display panel. The display panel includes a base substrate 10 and a plurality of pixel units 20 located on the base substrate 10, wherein the light-shielding area A32 includes at least one pixel unit 20, and the pixel unit 20 includes a plurality of sub-pixels 200. In a direction perpendicular to the plane of the base substrate 10, the light-shielding area A32 includes at least a first convex arc-shaped edge CV.

[0033] In the display panel provided by an embodiment of the present invention, because the pixel units located in the light-sensing element placement area are located within the light-shielding area, when ambient light strikes the light-sensing element placement area, the light striking the gap between two adjacent sub-pixels is blocked, preventing diffraction in the gap between the two adjacent sub-pixels. Furthermore, the light-shielding area includes at least a first convex curved edge; that is, at least a portion of the outer edge of the light-shielding area is convexly curved. It will be appreciated that if the boundary between the light-shielding area and the light-transmitting area is a straight line, the light energy is distributed on both sides of the line, forming multiple bright and dark stripes parallel to the direction of the line. If the boundary between the light-shielding area and the light-transmitting area is an arc, the arc is equivalent to being composed of multiple straight lines extending in different directions, so the light energy is distributed in multiple different directions, thereby reducing diffraction. The light-shielding area in the embodiment of the present invention includes at least the first convex curved edge, thereby reducing diffraction in the light-sensing element placement area. Furthermore, the first convex curved edge also reserves sufficient space within the light-shielding area for the pixel units, facilitating their placement within the light-shielding area. Optionally, when ambient light irradiates the light sensing element arrangement area, the light cannot penetrate the light shielding area. In a direction perpendicular to the plane where the substrate is located, the gap between two adjacent sub-pixels is covered by the light shielding area.

[0034] Optionally, refer to Figure 1 and Figure 2 , in the direction perpendicular to the plane where the base substrate 10 is located, the edge profile of the shading area A32 is a circle. Any position of the circle is a convex arc (i.e., the first convex arc edge CV), and since the curvature at any position of the circle is the same, the light energy can be evenly dispersed in the direction of 360°, thereby weakening the diffraction phenomenon. In other embodiments, in the direction perpendicular to the plane where the base substrate 10 is located, the edge profile of the shading area A32 can also be an elliptical or non-elliptical multi-segment arc. Among them, the non-elliptical multi-segment arc includes multiple arc lines, the arc line is not an elliptical arc, and the arc line included in the non-elliptical multi-segment arc can be, for example, a circular arc. An elliptical arc refers to a segment of an arc line in an ellipse, and a circular arc refers to a segment of an arc line in a circle. In short, in the direction perpendicular to the plane where the base substrate 10 is located, the edge profile of the shading area A32 is any one of a circle, an ellipse, and a non-elliptical multi-segment arc.

[0035] Figure 3 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 3, a pixel unit 20 is set in each light-shielding area A32. Optionally, the pixel density in the light-sensing element setting area A3 is lower than the pixel density in the first display area A2, the pixel density in the light-sensing element setting area A3 is low, and the light-transmitting area A31 in the light-sensing element setting area A3 does not display an image. If multiple pixel units 20 are set in each light-shielding area A32, the multiple pixel units 20 have a larger luminous brightness, resulting in an image displayed in the light-sensing element setting area A3 with obvious graininess. In an embodiment of the present invention, a pixel unit 20 is set in each light-shielding area A32, and a pixel unit 20 has a smaller luminous brightness to reduce or even eliminate the graininess of the image displayed in the light-sensing element setting area. It should be noted that, in other embodiments, multiple pixel units 20 may also be set in each light-shielding area A32, and the present invention is not limited to this.

[0036] Optionally, refer to Figure 3 , multiple pixel units 20 are arranged in rows and columns in the photosensitive element setting area A3. In the shading area A32, the pixel unit 20 includes a first sub-pixel 21, a second sub-pixel 22 and a third sub-pixel 23 arranged in a herringbone shape. In an embodiment of the present invention, the first sub-pixel 21, the second sub-pixel 22 and the third sub-pixel 23 are arranged in a herringbone shape. In the direction perpendicular to the plane where the base substrate 10 is located, the arrangement of the first sub-pixel 21, the second sub-pixel 22 and the third sub-pixel 23 is relatively compact. The first sub-pixel 21, the second sub-pixel 22 and the third sub-pixel 23 generally occupy an area inscribed in a circle or an ellipse. The first sub-pixel 21, the second sub-pixel 22 and the third sub-pixel 23 together occupy a smaller area, thereby reducing the area of ​​the shading area A32 and increasing the area of ​​the light-transmitting area A31 to increase the amount of external ambient light passing through the light-transmitting area A31. It should be noted that, Figure 3 The circular edge profile of the light-shielding area A32 is used as an example, but this is not a limitation of the present invention. As long as the light-shielding area A32 includes at least a first convex arc-shaped edge CV in a direction perpendicular to the plane of the substrate 10, it is sufficient. Optionally, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 are respectively selected from the group consisting of a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and each of the sub-pixels is a different color.

[0037] Optionally, refer to Figure 3 In the same pixel unit 20 , the first sub-pixel 21 and the second sub-pixel 22 are located in the same column, and the first sub-pixel 21 and the third sub-pixel 23 are located in different columns.

[0038] For example, refer to Figure 3, the X direction is the row direction, and the Y direction is the column direction. Along the X direction, the third sub-pixel 23 overlaps with the first sub-pixel 21 and the second sub-pixel 22. Along the Y direction, the first sub-pixel 21 and the third sub-pixel 23 are located in different columns, the second sub-pixel 22 and the third sub-pixel 23 are located in different columns, and the first sub-pixel 21 and the second sub-pixel 22 are located in the same column. The lengths of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 along the Y direction are all greater than their lengths along the X direction. Optionally, along the Y direction, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 have the same length.

[0039] Optionally, refer to Figure 3 , multiple shading areas A32 are arranged in rows and columns in the photosensitive element setting area A3. Along the row direction and the column direction, the distance between the geometric centers of two adjacent shading areas A32 is D. In the direction perpendicular to the plane where the substrate 10 is located, the edge contour of the shading area A32 is circular, and the radius of the circle is R, where R and D satisfy 0<2R<D<6R. If D≤2R, the two adjacent shading areas A32 are connected to each other as one shading area, resulting in the edge contour of the shading area A32 no longer being a circle. If D≥6R, the spacing between the two adjacent shading areas A32 is too large, resulting in too low a setting density of the shading areas A32, poor display uniformity of the photosensitive element setting area A3, and affecting the display. In the embodiment of the present invention, R and D satisfy 0<2R<D<6R, thereby ensuring that the edge contour of the shading area A32 is circular and that the photosensitive element setting area A3 has good display uniformity.

[0040] Figure 4 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 4 Along the X direction, the third sub-pixel 23 overlaps with the first sub-pixel 21 and the second sub-pixel 22. Along the Y direction, the first sub-pixel 21 and the third sub-pixel 23 are located in different columns, the second sub-pixel 22 and the third sub-pixel 23 are located in different columns, and the first sub-pixel 21 and the second sub-pixel 22 are located in the same column. The lengths of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 along the Y direction are all greater than their lengths along the X direction. Along the Y direction, the first sub-pixel 21 and the second sub-pixel 22 have the same length, the third sub-pixel 23 has a length greater than the first sub-pixel 21, and the third sub-pixel 23 has a length greater than the second sub-pixel 23.

[0041] Figure 5 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 5In the display area A1, the sub-pixels 200 in odd rows are staggered with the sub-pixels 200 in even rows. In the same pixel unit 20, the first sub-pixel 21 and the second sub-pixel 22 are located in the same row, and the first sub-pixel 21 and the third sub-pixel 23 are located in different rows.

[0042] For example, refer to Figure 5 Along the X direction, the first sub-pixel 21 and the second sub-pixel 22 are located in the same row, the first sub-pixel 21 and the third sub-pixel 23 are located in different rows, and the second sub-pixel 22 and the third sub-pixel 23 are located in different rows. The lengths of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 along the Y direction are all greater than their lengths along the X direction. Optionally, in a direction perpendicular to the plane of the base substrate 10, the edge contour of the light-shielding area A32 is circular.

[0043] Figure 6 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 6 In a direction perpendicular to the plane of the substrate 10, the edge profile of the light-shielding area A32 is an ellipse, with the minor axis of the ellipse parallel to the row direction and the major axis of the ellipse parallel to the column direction. In the embodiment of the present invention, since, in the same pixel unit 20, the first sub-pixel 21 and the second sub-pixel 22 are located in the same row, and the first sub-pixel 21 and the third sub-pixel 23 are located in different rows, and in a direction perpendicular to the plane of the substrate 10, the length of the area jointly occupied by the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 in the row direction (X direction) is shorter than the length in the column direction (Y direction), the edge profile of the light-shielding area A32 is an ellipse, with the minor axis of the ellipse parallel to the row direction. This allows the arrangement of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 to match the shape of the light-shielding area A32, thereby reducing the area of ​​the light-shielding area A32 and increasing the area of ​​the light-transmitting area A31, thereby increasing the amount of ambient light passing through the light-transmitting area A31.

[0044] Figure 7 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 7 In the light-sensing element arrangement area A3, the third sub-pixels 23 in different pixel units 20 are located in the same row. In this embodiment of the present invention, the third sub-pixels 23 in different pixel units 20 are located in the same row, and the first sub-pixels 21 and the second sub-pixels 22 are located in the same row. In other words, in the multiple pixel units 20 arranged in the same row, all the first sub-pixels 21 are located in the same row, all the second sub-pixels 22 are located in the same row, and all the third sub-pixels 23 are located in the same row. This facilitates the display of straight lines and avoids jagged edges when displaying straight lines.

[0045] For example, refer to Figure 7The first display area A2 includes first pixel units 201 and second pixel units 202, which are alternately arranged along the X direction. In the first pixel units 201 and the second pixel units 202, the first sub-pixel 21 and the second sub-pixel 22 are located in the same row, while the first sub-pixel 21 and the third sub-pixel 23 are located in different rows. In a row of pixel units 20 located in the first display area A2, the plurality of first sub-pixels 21 are located in two rows, the plurality of second sub-pixels 22 are located in two rows, and the plurality of third sub-pixels 23 are located in two rows. A row of sub-pixels 200 located in the first display area A2 includes the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23. In a row of pixel units 20 located in the photosensitive element placement area A3, the first sub-pixels 21 in different pixel units 20 are located in the same row, the second sub-pixels 22 in different pixel units 20 are located in the same row, and the third sub-pixels 23 in different pixel units 20 are located in the same row. This facilitates the display of straight lines and avoids aliasing when displaying straight lines.

[0046] Figure 8 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 8 , multiple pixel units 20 are arranged in rows and columns in the light sensing element setting area A3. In the light shielding area A32, the pixel unit 20 includes a first sub-pixel 21, a second sub-pixel 22 and a third sub-pixel 23 arranged along the row direction, and the first sub-pixel 21, the second sub-pixel 22 and the third sub-pixel 23 are located in the same row. It should be noted that, Figure 8 The circular edge profile of the light-shielding area A32 is used as an example, but this is not a limitation of the present invention. As long as the light-shielding area A32 includes at least a first convex arc-shaped edge CV in a direction perpendicular to the plane of the substrate 10, it is sufficient. Optionally, the arrangement of the sub-pixels 200 in the pixel unit 20 in the first display area A2 is the same as the arrangement of the sub-pixels in the pixel unit 20 in the light-sensing element arrangement area A3.

[0047] Figure 9 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 9In a direction perpendicular to the plane of the substrate 10, the edge profile of the light-shielding area A32 is an ellipse, with the major axis of the ellipse parallel to the row direction and the minor axis of the ellipse parallel to the column direction. In the embodiment of the present invention, since the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 in the same pixel unit 20 are arranged along the row direction, and in a direction perpendicular to the plane of the substrate 10, the length of the area jointly occupied by the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 in the row direction (X direction) is longer than the length in the column direction (Y direction), the edge profile of the light-shielding area A32 is an ellipse, with the major axis of the ellipse parallel to the row direction. This allows the arrangement of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 to be adapted to the shape of the light-shielding area A32, thereby reducing the area of ​​the light-shielding area A32 and increasing the area of ​​the light-transmitting area A31, thereby increasing the amount of ambient light passing through the light-transmitting area A31. Optionally, the arrangement of the sub-pixels 200 in the pixel unit 20 in the first display area A2 is the same as the arrangement of the sub-pixels in the pixel unit 20 in the light sensing element arrangement area A3.

[0048] Figure 10 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 10 , multiple pixel units 20 are arranged in rows and columns in the light sensing element setting area A3. In the shading area A32, the pixel unit 20 includes a first sub-pixel 21, a second sub-pixel 22, a third sub-pixel 23 and a fourth sub-pixel 24. In the same pixel unit 20, the first sub-pixel 21 and the third sub-pixel 23 are located in the same row, any two of the first sub-pixel 21, the second sub-pixel 22 and the fourth sub-pixel 24 are located in different rows, the second sub-pixel 22 and the fourth sub-pixel 24 are located in the same column, and any two of the first sub-pixel 21, the second sub-pixel 22 and the third sub-pixel 23 are located in different columns. It should be noted that, Figure 10 The edge contour of the light-shielding area A32 is a circle for example, which is not a limitation of the present invention. As long as the light-shielding area A32 includes at least a first convex arc-shaped edge CV in a direction perpendicular to the plane of the base substrate 10, it will suffice.

[0049] For example, refer to Figure 10, the second sub-pixel 22 and the fourth sub-pixel 24 have the same luminous color, and any two of the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 have different luminous colors. The first sub-pixel 21, the second sub-pixel 22, the third sub-pixel 23, and the fourth sub-pixel 24 form a 2*2 array, and the array row direction of the 2*2 array is 45 degrees to the X direction and the Y direction. In the first display area A2, the pixel units 20 in odd rows are staggered with the pixel units 20 in even rows. Optionally, the first sub-pixel 21, the second sub-pixel 22, and the third sub-pixel 23 are respectively one of a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and the colors are different.

[0050] Figure 11 A partial structural top view of another display panel provided by an embodiment of the present invention, Figure 12 for Figure 11 The enlarged structural diagram of the shading area is shown in Figure 11 and Figure 12 , multiple shading areas A32 are arranged in rows and columns in the photosensitive element setting area A3. In the direction perpendicular to the plane where the base substrate 10 is located, the edge profile of the shading area A32 includes a first side L1, a second side L2, a third side L3, a fourth side L4, a fifth side L5, a sixth side L6, a seventh side L7 and an eighth side L8 connected end to end. The first side L1, the third side L3, the fifth side L5 and the seventh side L7 are all convex arcs. The second side L2, the fourth side L4, the sixth side L6 and the eighth side L8 are all concave arcs. In an embodiment of the present invention, the first side L1, the second side L2, the third side L3, the fourth side L4, the fifth side L5, the sixth side L6, the seventh side L7 and the eighth side L8 are all arcs, thereby weakening the diffraction phenomenon. In addition, the first side L1, the third side L3, the fifth side L5 and the seventh side L7 are all convex arcs, that is, the first side L1, the third side L3, the fifth side L5 and the seventh side L7 are all first convex arc edges CV, so as to reserve sufficient space for the setting of the pixel unit 20 in the shading area A32.

[0051] Optionally, refer to Figure 11 and Figure 12 , the first side L1, the third side L3, the fifth side L5 and the seventh side L7 have the same curvature. That is, the first side L1, the third side L3, the fifth side L5 and the seventh side L7 are the same circle ( Figure 12The arc line on the second side L2, the fourth side L4, the sixth side L6 and the eighth side L8 have the same curvature. The light-sensing element setting area A3 includes a plurality of matrix units A33, and the matrix unit A33 includes a 2*2 matrix-arranged shading area A32. The light-transmitting area A31 includes a plurality of circular sub-light-transmitting areas A311. In one matrix unit A33, each light-shielding area A32 has one side that coincides with the edge of the circular sub-light-transmitting area A31. In an embodiment of the present invention, the light-shielding area A32 includes at least a first convex arc-shaped edge CV, thereby reducing the diffraction phenomenon of the light-sensing element setting area A3. Furthermore, the 2*2 matrix-arranged shading areas A32 enclose a circular sub-light-transmitting area A311, and the edge of the circular sub-light-transmitting area A311 is circular, which is conducive to further reducing or even eliminating the diffraction phenomenon of the light-sensing element setting area A3. It should be noted that, Figure 11 The first sub-pixel 21 , the second sub-pixel 22 and the third sub-pixel 23 are arranged in a herringbone shape for example, which is not a limitation of the present invention.

[0052] Figure 13 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 13 , the light-sensing element setting area A3 includes a plurality of matrix units A33, and the matrix unit A33 includes a shading area A32 arranged in a 1*2 or 2*1 matrix. The light-transmitting area A31 includes a plurality of elliptical sub-light-transmitting areas A312. In a matrix unit A33, each light-shielding area A32 has one side that coincides with the edge of the elliptical sub-light-transmitting area A312. In an embodiment of the present invention, the light-shielding area A32 includes at least a first convex arc-shaped edge CV, thereby reducing the diffraction phenomenon of the light-sensing element setting area A3. Furthermore, the light-shielding areas A32 arranged in a 1*2 or 2*1 matrix form an elliptical sub-light-transmitting area A312, and the edge of the elliptical sub-light-transmitting area A312 is elliptical, which is beneficial to further reduce or even eliminate the diffraction phenomenon of the light-sensing element setting area A3. It should be noted that, Figure 13 The first sub-pixel 21 , the second sub-pixel 22 and the third sub-pixel 23 are arranged in a herringbone shape for example, which is not a limitation of the present invention.

[0053] Figure 14 A partial top view of another display panel provided by an embodiment of the present invention, referring to Figure 14, multiple light-shielding areas A32 are arranged in rows and columns in the light-sensing element setting area A3, wherein the light-shielding areas A32 in odd rows are staggered with the light-shielding areas A32 in even rows. In the embodiment of the present invention, since the light-shielding areas A32 in odd rows are staggered with the light-shielding areas A32 in even rows, the distance between two adjacent light-shielding areas A32 along the X direction is increased, and the number of light-shielding areas A32 in each row is reduced, thereby reducing the area of ​​the light-shielding area A32 and increasing the area of ​​the light-transmitting area A31, thereby increasing the amount of external ambient light passing through the light-transmitting area A31. It should be noted that in other embodiments, the multiple light-shielding areas A32 are arranged in a matrix in the light-sensing element setting area A3, and the present invention is not limited to this.

[0054] Figure 15 A partial structural top view of another display panel provided by an embodiment of the present invention, Figure 16 For the Figure 15 Schematic diagram of the enlarged structure of the S2 region. Figure 17 For the Figure 16 Schematic diagram of the cross-section structure of AA', refer to Figure 15 、 Figure 16 and Figure 17 The light-shielding area A32 includes a light-shielding structure 50, and the sub-pixel 200 includes a light-emitting unit 60. The display panel also includes a pixel driving circuit 40, which is electrically connected to the light-emitting unit 60 and is located between the light-emitting unit 60 and the base substrate 10. The light-shielding structure 50 is located between the light-emitting unit 60 and the pixel driving circuit 40. In other embodiments, the light-shielding structure 50 may also be located between the base substrate 10 and the pixel driving circuit 40.

[0055] For example, refer to Figure 17 The light-shielding structure 50 is located between the light-emitting unit 60 and the pixel driving circuit 40, and the vertical projection of the light-emitting unit 60 on the base substrate 10 is located within the vertical projection of the light-shielding structure 50 on the base substrate 10. The pixel driving circuit 40 includes a thin film transistor, which may include a source electrode 41, a semiconductor layer 42, a gate electrode 43, and a drain electrode 44. The light-emitting unit 60 includes a first electrode (anode) 61, an (organic) light-emitting functional layer 62, and a second electrode (cathode) 63. The light-emitting functional layer 62 is located between the first electrode 61 and the second electrode 63. The first electrode 61 is electrically connected to the drain electrode 44.

[0056] Optionally, refer to Figure 15 、 Figure 16 and Figure 17, the shading area A32 includes a shading structure 50. The display panel also includes a plurality of signal lines 300, and the plurality of signal lines 300 include at least a plurality of power supply signal lines 33. The shading structure 50 is electrically connected to the power supply signal line 33. In an embodiment of the present invention, the shading structure 50 can be made of metal material, and the shading structure 50 is electrically connected to the power supply signal line 33, so that a stable potential can be provided to the shading structure 50 through the power supply signal line 33, thereby preventing the shading structure 50 from floating, reducing or even eliminating the electrical effect of the shading structure 50 on the original display panel structure, for example, reducing or even eliminating the electrical effect of the shading structure 50 on the first electrode 61. In addition, the shading structure 50 is electrically connected to the power supply signal line 33, and the shading structure 50 is connected in parallel with the power supply signal line 33, which reduces the voltage drop of the power supply voltage on the power supply signal line 33, thereby ensuring the uniformity of light emission of the display panel.

[0057] Optionally, refer to Figure 15 、 Figure 16 and Figure 17 The display panel also includes a plurality of signal lines 300 and a pixel driving circuit 40. The signal line 300 is electrically connected to the pixel driving circuit 40. The signal line 300 includes a first signal line 300a located in the light-transmitting area A31, and the first signal line 300a is made of a transparent conductive material. In an embodiment of the present invention, the first signal line 300a located in the light-transmitting area A31 is made of a transparent conductive material. The first signal line 300a has a high transmittance. The difference in transmittance between the position where the first signal line 300a exists in the light-transmitting area A31 and the position where the first signal line 300a is not present in the light-transmitting area A31 is relatively small, thereby reducing or even eliminating the diffraction caused by the plurality of signal lines 300 in the light-transmitting area A31, thereby further reducing the diffraction phenomenon in the light-sensing element setting area A3. On the other hand, the use of a transparent conductive material for the first signal line 300a can also improve the overall transmittance of the light-sensing element setting area A3.

[0058] For example, refer to Figure 15 、 Figure 16 and Figure 17 The first signal line 300a is made of a transparent conductive material with a light transmittance greater than or equal to 85%. The transparent conductive material may include, for example, indium tin oxide or indium zinc oxide.

[0059] Optionally, refer to Figure 15 、 Figure 16 and Figure 17The signal line 300 also includes a second signal line 300b located in the light-shielding area A32, and the second signal line 300b is made of a metal material. The connection point 300c between the first signal line 300a and the second signal line 300b is located in the light-shielding area A32. In the embodiment of the present invention, since the second signal line 300b is located in the light-shielding area A32, the external ambient light irradiating the second signal line 300b is blocked by the light-shielding area A32, and the second signal line 300b does not cause diffraction problems. Moreover, the transmittance of the second signal line 300b does not affect the transmittance of the light-sensing element setting area A3. Therefore, the second signal line 300b can be made of a metal material to reduce the resistance of the signal line 300. Furthermore, the connection point 300c between the first signal line 300a and the second signal line 300b is located in the light-shielding area A32, and the external ambient light irradiating the connection point 300c is blocked by the light-shielding area A32, so that the connection point 300c does not cause diffraction. It should be noted that, in the embodiment of the present invention, the signal line 300 is explained as the power supply signal line 33 , which is not a limitation to the embodiment of the present invention.

[0060] For example, refer to Figure 15 The plurality of signal lines 300 may further include scan lines 31 and data lines 32. The plurality of scan lines 31 extend along the X direction and are arranged along the Y direction, and the plurality of data lines 32 extend along the Y direction and are arranged along the X direction. The plurality of signal lines 300 may further include a reference voltage supply signal line (not shown in the figure), etc. The present invention does not limit the type of the signal lines 300.

[0061] For example, refer to Figure 16 In the same signal line 300, the line width of the first signal line 300a is greater than the line width of the second signal line 300b. Because the first signal line 300a is made of a transparent conductive material, the second signal line 300b can be made of a metal material. Transparent conductive materials have poor conductivity, while metal materials have better conductivity. In the same signal line 300, the line width of the first signal line 300a is greater than the line width of the second signal line 300b. This balances the conductivity of the first signal line 300a and the second signal line 300b, thereby optimizing the conductivity of the entire signal line 300.

[0062] For example, refer to Figure 17 The light shielding structure 50 and the first signal line 300a are both located between the light emitting unit 60 and the pixel driving circuit 40. The light shielding structure 50 is located between the first signal line 300a and the pixel driving circuit 40. The first signal line 300a is electrically connected to the light shielding structure 50 through a first via, and the light shielding structure 50 is electrically connected to the second signal line 300b through a second via. The first via and the second via constitute a connection point 300c between the first signal line 300a and the second signal line 300b. In other embodiments, the first signal line 300a can be located between the light shielding structure 50 and the pixel driving circuit 40.

[0063] For example, refer to Figure 17 The light shielding structure 50 is located between the light emitting unit 60 and the pixel driving circuit 40. The power supply signal line 33 is on the same layer as the source 41 and the drain 44. The light shielding structure 50 is electrically connected to the power supply signal line 33 through a second via hole.

[0064] Figure 18 A partial structural cross-sectional view of another display panel provided by an embodiment of the present invention, referring to Figure 18 , the shading area A32 includes a shading structure 50, and the sub-pixel 200 includes a light-emitting unit 60. The display panel also includes a pixel driving circuit 40, which is electrically connected to the light-emitting unit 60, and the pixel driving circuit 40 is located between the light-emitting unit 60 and the substrate 10. The shading structure 50 is located on the side of the light-emitting unit 60 away from the base substrate 10, and the shading structure 50 includes an opening 51, and the opening 51 exposes the light-emitting unit 60. In an embodiment of the present invention, the shading structure 50 is located on the side of the light-emitting unit 60 away from the base substrate 10, and the opening 51 exposes the light-emitting unit 60. The light emitted by the light-emitting unit 60 can be emitted outside the display panel through the opening 51 on the shading structure 50, and the shading structure 50 will not affect the light-emitting display of the display panel.

[0065] For example, refer to Figure 18 The light-emitting unit 60 may include a first electrode (anode) 61, an (organic) light-emitting functional layer 62 and a second electrode (cathode) 63, and the light-emitting functional layer 62 is located between the first electrode 61 and the second electrode 63. The first electrode 61 may be a reflective electrode. The vertical projection of the opening 51 on the base substrate 10 is located within the vertical projection of the first electrode 61 on the base substrate 10. When external ambient light is irradiated onto the photosensitive element setting area A3, the shading structure 50 and the first electrode 61 block the external ambient light, preventing the external ambient light from passing through the shading area A32 and irradiating the backlight side of the display panel, thereby preventing external ambient light from passing through the shading area A32, preventing external ambient light from irradiating components such as the light-emitting unit 60 and the pixel driving circuit 40 in the shading area A32, and preventing the components in the shading area A32 from diffraction.

[0066] An embodiment of the present invention further provides a display device, Figure 19 Schematic diagram of the structure of a display device provided by an embodiment of the present invention. Figure 19 As shown, the display device provided by the embodiment of the present invention includes the display panel 410 described in any embodiment of the present invention and the light sensing element 420 located in the light sensing element setting area A3. The light sensing element 420 is located on the backlight side of the display panel. In other words, the light sensing element 420 is located on the light emitting display side ( Figure 19The direction of the arrow in the middle indicates the direction of light emission from the display panel 410). The light sensor 420 can be an optical or optoelectronic device, such as a camera or infrared sensor. External ambient light penetrates the light sensor arrangement area A3 of the display panel and reaches the light sensor 420, thereby realizing functions such as video recording. The display device provided in the embodiments of the present invention can be a mobile phone, a computer, a television, a smart wearable device, etc., and the embodiments of the present invention are not particularly limited thereto.

[0067] Note that the above are only preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, combinations, and substitutions are possible for those skilled in the art without departing from the scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A display panel, characterized in that: include: A display area, the display area including a first display area and a light sensing element setting area, the light sensing element setting area including a light-transmitting area and a light-shielding area; A base substrate and a plurality of pixel units located on the base substrate, wherein the light-shielding area includes only one pixel unit, and the pixel unit includes a plurality of sub-pixels; In a direction perpendicular to the plane where the substrate is located, the light shielding area at least includes a first convex arc edge; the light shielding area includes an inward concave arc edge; The light sensing element setting area includes a plurality of matrix units, and the matrix unit includes the light shielding areas arranged in a 2*2 matrix; The light-transmitting area includes a plurality of circular sub-light-transmitting areas, and in one matrix unit, each of the light-shielding areas has one side that coincides with an edge of the circular sub-light-transmitting area; or, The light sensing element setting area includes a plurality of matrix units, and the matrix units include the light shielding areas arranged in a 1*2 or 2*1 matrix; The light-transmitting area includes a plurality of elliptical sub-light-transmitting areas. In one matrix unit, each of the light-shielding areas has one side that coincides with an edge of the elliptical sub-light-transmitting area.

2. The display panel according to claim 1, wherein: In a direction perpendicular to the plane where the substrate is located, the edge contour of the light-shielding area is a non-elliptical multi-segment arc.

3. The display panel according to claim 1, wherein: In the light-shielding area, the pixel unit includes a first sub-pixel, a second sub-pixel, and a third sub-pixel arranged in a herringbone shape.

4. The display panel according to claim 3, wherein: In the same pixel unit, the first sub-pixel and the second sub-pixel are located in the same column, and the first sub-pixel and the third sub-pixel are located in different columns.

5. The display panel according to claim 3, wherein: The sub-pixels in odd-numbered rows are staggered with the sub-pixels in even-numbered rows; In the same pixel unit, the first sub-pixel and the second sub-pixel are located in the same row, and the first sub-pixel and the third sub-pixel are located in different rows.

6. The display panel according to claim 5, wherein: In the light sensing element arrangement area, the third sub-pixels in different pixel units are located in the same row.

7. The display panel according to claim 1, wherein: In the light-shielding area, the pixel unit includes a first sub-pixel, a second sub-pixel, and a third sub-pixel arranged along a row direction.

8. The display panel according to claim 1, wherein: In the light-shielding area, the pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel; In the same pixel unit, the first sub-pixel and the third sub-pixel are located in the same row, any two of the first sub-pixel, the second sub-pixel and the fourth sub-pixel are located in different rows, the second sub-pixel and the fourth sub-pixel are located in the same column, and any two of the first sub-pixel, the second sub-pixel and the third sub-pixel are located in different columns.

9. The display panel according to claim 1, wherein: The light-shielding area includes a light-shielding structure, and the sub-pixel includes a light-emitting unit; The display panel further includes a pixel driving circuit, the pixel driving circuit being electrically connected to the light emitting unit and being located between the light emitting unit and the base substrate; The light shielding structure is located between the base substrate and the pixel driving circuit, or the light shielding structure is located between the light emitting unit and the pixel driving circuit.

10. The display panel according to claim 1, wherein The light-shielding area includes a light-shielding structure, and the sub-pixel includes a light-emitting unit; The display panel further includes: a pixel driving circuit, the pixel driving circuit being electrically connected to the light-emitting unit and being located between the light-emitting unit and the substrate; The light-shielding structure is located on a side of the light-emitting unit that is away from the base substrate. The light-shielding structure includes an opening, and the opening exposes the light-emitting unit.

11. The display panel according to claim 1, wherein The light-shielding area includes a light-shielding structure; The display panel further comprises a plurality of signal lines, wherein the plurality of signal lines at least comprise a plurality of power supply signal lines; The light shielding structure is electrically connected to the power supply signal line.

12. The display panel according to claim 1, wherein Also includes: a plurality of signal lines and a pixel driving circuit, wherein the signal lines are electrically connected to the pixel driving circuit; The signal line includes a first signal line located in the light-transmitting area, and the first signal line is made of a transparent conductive material.

13. The display panel according to claim 12, wherein: The signal line further includes a second signal line located in the light shielding area, and the second signal line is made of metal material; A connection point between the first signal line and the second signal line is located in the light shielding area.

14. A display device, characterized in that: A display panel comprising the display panel according to any one of claims 1 to 13, and a light sensing element located in the light sensing element setting area; The light sensing element is located on the backlight side of the display panel.

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