CN111653201B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN111653201B CN111653201B CN202010622176.6A CN202010622176A CN111653201B CN 111653201 B CN111653201 B CN 111653201B CN 202010622176 A CN202010622176 A CN 202010622176A CN 111653201 B CN111653201 B CN 111653201B
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- 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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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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
Abstract
The embodiment of the invention provides a display panel and a display device, which solve the technical problem of low imaging quality of a front camera of an electronic device with a front camera and a full screen in the prior art, and the display panel provided by the embodiment of the invention comprises a first display area and a second display area, wherein the front camera is arranged below the first display area, the first display area comprises a pixel layer and a shading layer, a plurality of light holes are arranged on the shading layer, the first display area comprises a plurality of pixel light hole groups, and each pixel light hole group comprises: at least one first pixel and a plurality of light trap to two adjacent pixel printing opacity groups share one or three light trap, when light passes through first display area, the light trap of sharing in the pixel printing opacity group can avoid light to appear interfering the phenomenon of growing or destructing mutually, further avoids the phase place stack, has reduced the diffraction of light and has interfered the influence of effect to the light homogeneity, has promoted the picture quality of making a video recording of leading camera.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a display panel and a display device.
[ background of the invention ]
With the development of display technology, display panels have higher screen occupation ratio, and full screens have wide attention due to the narrow-frame or even frameless display effect. At present, the front of display equipment such as mobile phones and tablet computers often needs to be provided with reserved spaces of electronic photosensitive devices such as commonly-used front cameras and fingerprint identification devices, but the photosensitive devices are arranged at the front positions of the display equipment, and non-display areas are formed at corresponding positions, so that the screen occupation ratio of the display equipment is reduced.
In the prior art, in order to improve the screen ratio of the display device, a high-transmittance area is formed in a display area of a display panel to place photosensitive devices such as a front camera assembly, that is, a through hole is formed below the display screen to accommodate the photosensitive devices such as the front camera. And set up a via hole below the display screen, the display area that corresponds to this via hole is the high printing opacity district, and the main method of realizing the high printing opacity district in display area among the prior art does: the PPI of the display area corresponding to the via hole is reduced, the transmittance is increased, and the photographing function can be achieved. But set up and walk the line connection through the metal between each pixel in high printing opacity district, and when light passed through high printing opacity district, light produced the diffraction easily when walking the line through the metal for it is unclear to be located the formation of image of making a video recording under the high printing opacity district, and also can't use the imaging algorithm to eliminate this defect, has consequently reduced the imaging quality of leading camera.
[ summary of the invention ]
In view of the above, an embodiment of the present invention provides a display panel and a display device, where the display panel includes a first display area and a second display area, a front camera is disposed below the first display area, the first display area includes a pixel layer and a light-shielding layer, a plurality of light-transmitting holes are disposed on the light-shielding layer, and at least one pixel in the first display area and the plurality of light-transmitting holes are combined into a plurality of pixel light-transmitting hole groups, so that one pixel light-transmitting group includes: a plurality of first pixels and a plurality of light trap to two adjacent pixel printing opacity groups share one or three light trap, when light through first demonstration district, the light trap of sharing can avoid light to appear interfering the phenomenon of growing or destructing mutually in a pixel printing opacity group, thereby further avoids the phase place stack, has reduced the diffraction of light and has interfered the influence of effect to the light homogeneity, has promoted the picture quality of making a video recording of leading camera.
As an aspect of the present invention, an embodiment of the present invention provides a display panel including a first display area and a second display area disposed around the first display area, the display panel including: a substrate layer; the first display area comprises a light shielding layer arranged on one side of the substrate layer, a plurality of light holes are formed in the light shielding layer, and the light holes penetrate through the light shielding layer; the display panel further comprises a pixel layer arranged on one side, far away from the substrate layer, of the light shielding layer, wherein the pixel layer located in the first display area comprises a plurality of first pixels; wherein the first display region includes a plurality of pixel transmission groups, the pixel transmission groups including: at least one first pixel and a plurality of light holes; the two adjacent pixel light-transmitting groups are respectively a first pixel light-transmitting group and a second pixel light-transmitting group, and the projection of one light-transmitting hole in the first pixel light-transmitting group on the substrate layer is superposed with the projection of one light-transmitting hole in the second pixel light-transmitting group on the substrate layer; or the projection of the three adjacent light holes in the first pixel light-transmitting group on the substrate layer is superposed with the projection of the three adjacent light holes in the second pixel light-transmitting group on the substrate layer.
As a second aspect of the present invention, an embodiment of the present invention provides a display device, including the display panel as described above.
The embodiment of the invention provides a display panel and a display device, wherein the display panel comprises a first display area and a second display area, a front camera is arranged below the first display area, the first display area comprises a pixel layer and a light shielding layer, a plurality of light transmitting holes are formed in the light shielding layer, and a plurality of pixels and a plurality of light transmitting holes in the first display area are combined into a plurality of pixel light transmitting hole groups, so that one pixel light transmitting group comprises: a plurality of first pixels and a plurality of light trap to two adjacent pixel printing opacity groups share one or three light trap, when light through first demonstration district, the light trap of sharing can avoid light to appear interfering the phenomenon of growing or destructing mutually in a pixel printing opacity group, thereby further avoids the phase place stack, has reduced the diffraction of light and has interfered the influence of effect to the light homogeneity, has promoted the picture quality of making a video recording of leading camera.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a top view of a display panel according to an embodiment of the invention;
FIG. 2 is a cross-sectional view of the display panel shown in FIG. 1 taken along plane A-A;
FIG. 3 is a top view of a light-shielding layer and a pixel layer in a first display region of the display panel shown in FIG. 2;
fig. 4 is a top view of a light-shielding layer and a pixel layer in a first display region of a display panel according to another embodiment of the invention;
FIG. 5 is a top view of a light-shielding layer and a pixel layer in a first display region of a display panel according to another embodiment of the present invention;
FIG. 6 is a top view of a light-shielding layer and a pixel layer in a first display region of a display panel according to another embodiment of the present invention;
FIG. 7 is a top view of a light-shielding layer and a pixel layer in a first display region of a display panel according to another embodiment of the present invention;
FIG. 8 is a top view of a light-shielding layer and a pixel layer in a first display region of a display panel according to another embodiment of the present invention;
FIG. 9 is a cross-sectional view of a display panel taken along section A-A according to another embodiment of the present invention;
fig. 10 is a top view of a light-shielding layer and a pixel layer in a first display region of a display panel according to another embodiment of the invention;
FIG. 11 is a cross-sectional view of a display panel taken along section A-A according to another embodiment of the present invention;
FIG. 12 is a top view of a light-shielding layer and a pixel layer in a first display region according to another embodiment of the present invention;
fig. 13 is a schematic structural diagram of a display device according to an embodiment of the invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention, and as shown in fig. 1, the display panel includes a first display area 1 and a second display area 2 surrounding the first display area 1, where the first display area 1 is a high-transmittance area, and a front camera is disposed below a screen of the first display area 1, so that not only can the display panel have a full-screen display, but also an electronic device having the display panel has a front camera function. Fig. 2 is a cross-sectional view of the display panel shown in fig. 1 along a-a plane, and fig. 3-8, 10 and 12 are top views of the light-shielding layer 4 and the pixel layer 5 in the first display region 1 of the display panel shown in fig. 2; as shown in fig. 2, the display panel includes a substrate layer 3 and a pixel layer 5 disposed on one side of the substrate layer 3, wherein the first display area 1 further includes a light-shielding layer 4 disposed between the substrate layer 3 and the pixel layer 5, wherein a light hole 41 penetrating through the light-shielding layer 4 is disposed on the light-shielding layer 4, and a region of the light-shielding layer 4 where the light hole 41 is not disposed is a light-shielding area 42; the pixel layer 5 located in the first display region 1 includes a plurality of first pixels 51; the first display region 1 includes a plurality of pixel light-transmitting groups, each pixel light-transmitting group including at least one first pixel 51 and a plurality of light-transmitting holes 41; the two adjacent pixel light-transmitting groups are respectively a first pixel light-transmitting group 211 and a second pixel light-transmitting group 212, and the projection of one light-transmitting hole 41 in the first pixel light-transmitting group 211 on the substrate layer 3 is superposed with the projection of one light-transmitting hole 41 in the second pixel light-transmitting group 212 on the substrate layer 3; or the projection of the three adjacent light transmission holes 41 in the first pixel light transmission group 211 on the substrate layer 3 coincides with the projection of the three adjacent light transmission holes 41 in the second pixel light transmission group 212 on the substrate layer 3.
Because the display panel includes first display region 1 district second display region 2, wherein the below of first display region 1 sets up leading camera, and first display region 1 includes pixel layer 5 and light shield layer 4, has seted up a plurality of light trap 41 on light shield layer 4 wherein, through making a plurality of pixels in first display region 1 and a plurality of light trap 41 combination into a plurality of light trap 41 groups for a pixel printing opacity group includes: the first pixels 51 and the light holes 41 are arranged, and one or three light holes 41 are shared by two adjacent pixel light transmission groups, when light passes through the first display area 1, the light holes 41 shared by one pixel light transmission group can avoid the phenomenon of constructive or destructive interference of light, so that phase superposition is further avoided, the influence of diffraction and interference effect of light on light uniformity is reduced, and the image quality of the front camera is improved.
For convenience of understanding, the light-shielding layer 4 and the pixel layer 5 in the first display region 1 will be described in detail below with reference to the drawings.
In an embodiment of the present invention, as shown in fig. 3, one pixel light-transmitting group includes a first pixel 51 and six light-transmitting holes 41 surrounding the first pixel 51, a projection of one light-transmitting hole 41 in the first pixel light-transmitting group 211 on the substrate layer 3 coincides with a projection of one light-transmitting hole 41 in the second pixel light-transmitting group 212 on the substrate layer 3, that is, the first pixel light-transmitting group 211 and the second pixel light-transmitting group 212 in two adjacent pixel light-transmitting groups share one light-transmitting hole 41; and the centers of each light-transmitting hole 41 around the periphery of the first pixel 51 are on the same first circle. Because the centers of the light holes 41 are on the same circle, in one pixel light transmission group, a plurality of light holes 41 surround to form a circle, when light passes through one pixel light transmission group in the first display area 1, the light is further prevented from generating interference and constructive or destructive interference, the influence of diffraction and interference effects on light uniformity is further reduced, and the image quality of the camera is improved.
Optionally, the center of the first circle is the center of the first pixel 51, and since the center of the first pixel 51 coincides with the center of the first circle, the display uniformity in one pixel light-transmitting group is increased, and the display quality of the first display region 1 is improved.
Optionally, as shown in fig. 4, a projection of one light transmission hole 41 in the first pixel light transmission group 211 on the substrate layer 3 coincides with a projection of one light transmission hole 41 in the second pixel light transmission group 212 on the substrate layer 3, where the light transmission hole 41 whose projection coincides on the substrate layer 3 is a coinciding light transmission hole 41 a; in the first pixel light-transmitting group 211, two light-transmitting holes 41 which are adjacent to the overlapping light-transmitting hole 41 in the clockwise direction and located at two sides of the overlapping light-transmitting hole 41, with the overlapping light-transmitting hole 41 as a starting point, are a first light-transmitting hole 41b and a second light-transmitting hole 41c, respectively; in the second pixel light-transmitting group 212, two light-transmitting holes 41 which are adjacent to the overlapped light-transmitting hole 41 in the clockwise direction and located on two sides of the overlapped light-transmitting hole 41 with the overlapped light-transmitting hole 41a as a starting point are respectively a third light-transmitting hole 41d and a fourth light-transmitting hole 41 e; the center of the second light hole 41c, the center of the fourth light hole 41e and the center of the coincident light hole 41 are on the same straight line, and the center of the first light hole 41b, the center of the third light hole 41d and the center of the coincident light hole 41 are on the same straight line. When light passes through one pixel light-transmitting group in the first display area 1, the light is further prevented from being subjected to constructive or destructive interference, the influence of diffraction and interference effects on light uniformity is further reduced, and the image quality is improved.
Alternatively, as shown in fig. 4, the distance between the center of the second light-transmitting hole 41c and the center of the overlapped light-transmitting hole 41a is equal to the distance between the center of the fourth light-transmitting hole 41e and the center of the overlapped light-transmitting hole 41 a; the distance between the center of the first light hole 41b and the center of the overlapped light hole 41e is equal to the distance between the center of the third light hole 41e and the center of the overlapped light hole 41b, so that the three light holes 41 on the same straight line are distributed more uniformly.
Optionally, as shown in fig. 5, a triangle is formed by the center of the first light transmission hole 41b, the center of the overlapped light transmission hole 41a, and the center of the fourth light transmission hole 41e, and the triangle is shaped as a regular triangle, so that the distribution of the light transmission holes 41 is more uniform, further avoiding the occurrence of constructive or destructive interference of light, further reducing the influence of diffraction and interference effects on light uniformity, and improving image quality.
In another embodiment of the present invention, as shown in fig. 6, in two adjacent pixel light-transmitting groups, a projection of one light-transmitting hole 41 in the first pixel light-transmitting group 211 on the substrate layer 3 coincides with a projection of one light-transmitting hole 41 in the second pixel light-transmitting group 212 on the substrate layer 3, that is, the first pixel light-transmitting group 211 and the second pixel light-transmitting group 212 in the two adjacent pixel light-transmitting groups share one light-transmitting hole 41; a pixel transmission group comprises a first sub-pixel transmission group 22; and a plurality of light transmission holes 41 surrounding the periphery of the first sub-pixel light transmission group 22; wherein, the first sub-pixel transmission group 22 includes: a first sub light-transmitting aperture 44; and a plurality of first pixels 51 surrounding the first sub-transmissive hole 44. The light holes 41 and the pixels in the whole pixel light-transmitting group are distributed more uniformly, so that the display quality of the first display area 1 is improved; when light passes through one pixel light-transmitting group in the first display area 1, the light-transmitting hole 41 further prevents the light from interfering constructively or destructively, further reduces the influence of diffraction and interference effects on light uniformity, and improves the image quality of the camera.
Optionally, the centers of the light holes 41 around the first sub-pixel light-transmitting group 22 are on the same second circle, so that in one pixel light-transmitting group, the light transmission is more uniform while the display is uniform.
Optionally, the center of the second circle coincides with the center of the first sub light transmission hole 44.
It should be understood that when the centers of the six light-transmitting holes 41 in one pixel light-transmitting group are on the same first circle, the number of the first pixels 51 in the light-transmitting group located in the first circle may be one, as shown in fig. 3-6, or may be multiple, for example, two first pixels 51, that is, one pixel light-transmitting group includes two first pixels 51, and six light-transmitting holes 41 around the two first pixels 51, wherein the centers of the six light-transmitting holes 41 are on the same first circle. Therefore, when one pixel includes six light-transmitting holes 41 and the centers are on a first circle, the number of first pixels located in the first circle is not limited in the embodiment of the present invention.
It should also be understood that when a pixel group includes at least one first pixel 51 and a plurality of light holes 41 surrounding the first pixel 51, the number of the plurality of light holes 41 centered on the same first circle may be six, as shown in fig. 3-6, or may be multiple, for example, five, eight, etc., and therefore, the number of the light holes 41 centered on the same first circle is not limited in the embodiment of the present invention.
In an embodiment of the present invention, as shown in fig. 7, in two adjacent pixel light-transmitting groups, a projection of one light-transmitting hole 41 in the first pixel light-transmitting group 211 on the substrate layer 3 coincides with a projection of one light-transmitting hole 41 in the second pixel light-transmitting group 212 on the substrate layer 3, that is, the first pixel light-transmitting group 211 and the second pixel light-transmitting group 212 in the two adjacent pixel light-transmitting groups share one light-transmitting hole 41; a pixel transmission group comprising: a second sub-pixel light-transmitting group 23; a plurality of light transmission holes 41 surrounding the periphery of the second sub-pixel light transmission group 23; and a first pixel 51 disposed around the plurality of light-transmitting holes 41; wherein, the second sub-pixel light-transmitting group 23 includes: a second sub light-transmitting hole 43; and at least one second pixel 52, the second pixel 52 being disposed on the substrate layer 3 corresponding to the second sub-transmission hole 43. In the display panel in the embodiment of the invention, in one pixel light-transmitting group, the second sub light-transmitting hole 43, the plurality of light-transmitting holes 41 and the plurality of first pixels 51 are sequentially arranged from the center of the pixel light-transmitting group to the outside, so that the total light-transmitting area in the pixel light-transmitting group is increased (the total light-transmitting area is not shielded by any light-shielding layer 4), and the image quality of the image is increased; also, the second pixel 52 is provided in the full light-transmitting region, increasing the display quality in the full light-transmitting region.
Alternatively, as shown in fig. 8, the second sub-pixel light-transmitting group 23 includes: two second pixels 52, a line connecting centers of the two second pixels 52 passes through a center of the second sub light-transmitting hole 43, so that display in the full light-transmitting area is more uniform.
It should be understood that the number of the second pixels 52 may be one, as shown in fig. 7, two, as shown in fig. 8, three, or four, and the like, and the embodiment of the present invention does not limit the number of the second pixels 52 in one second sub-pixel light-transmitting group 23.
Optionally, fig. 9 is a cross-sectional view of the display panel along a-a cross-section, and fig. 10 is a top view of the light-shielding layer and the pixel layer in the first display region of the display panel shown in fig. 9. As shown in fig. 9, the display panel further includes: a drive circuit layer 6, the drive circuit layer 6 being provided between the light shielding layer 4 and the pixel layer 5, the drive circuit layer 6 including: a plurality of first pixel driving circuits 61 for driving the first pixels 51 to emit light, respectively; a plurality of first signal lines for supplying signals to the first pixel driving circuit 61; at least one second pixel driving circuit 62 for driving the second pixels 52 to emit light, respectively; and at least one second signal line for supplying a signal to the second pixel driving circuit 62; as shown in fig. 9, projections of the plurality of first pixel driving circuits 61, the plurality of second pixel driving circuits 62, and the plurality of first signal lines on the substrate layer 3 are all located in a projection of the light shielding layer 4 on the substrate layer 3, that is, the plurality of first pixel driving circuits 61, the plurality of second pixel driving circuits 62, and the plurality of first signal lines on the substrate layer 3 are all located in the light shielding region 42; at least one of the second signal lines is a transparent signal line, as shown in fig. 10. The first signal lines include a first scan line and a first data line, wherein the first scan line provides a scan signal scan1 for each row of the first pixels 51, and the first data line provides a data signal Vdata1 for each column of the first pixels 51. The second signal lines include a second scan line for providing a scan signal scan2 to each row of the second pixels 52 and a second data line for providing a data signal Vdata2 to each column of the second pixels 52. The second signal lines are transparent signal lines, so that the light transmittance of the full light-transmitting area is increased, the first pixel driving circuit 61, the second pixel driving circuit 62 and the first signal lines are all located in the light-shielding area 42, the number of routing lines in the full light-transmitting area in the first display area 1 is reduced, when light passes through the first display area 1, the light is further reduced from being greatly diffracted due to metal, and the image quality of shooting is improved.
Alternatively, since the second pixel 52 is disposed in the fully light-transmitting region, in order to reduce diffraction of light passing through the fully light-transmitting region, the second pixel 52 shares one first pixel driving circuit 61 with any one first pixel 51 of the plurality of first pixels 51 located in the first display region 1; the second pixel 52 is connected to the first pixel 51 sharing one first pixel driving circuit 61 with the second pixel 52 via a first metal line. That is, the second pixel 52 shares one first pixel driving circuit 61 with any one first pixel 51 of the plurality of first pixels 51 through the first metal wire, when the display panel is manufactured, the second pixel driving circuit is not required to be prepared under the second pixel 52, that is, the second pixel 52 is designed in the full light transmission region but the second pixel driving circuit is not designed, so that the number of metal wires in the full light transmission region is reduced, when light passes through the first display region 1, the metal wires in the full light transmission region in the first display region 1 are obviously reduced, large diffraction of the light caused by metal is further reduced, and the image quality of the image pickup is improved.
Optionally, the first metal wire is a transparent wire, so that the light transmittance of the full light-transmitting area is increased.
Alternatively, as shown in fig. 11, the light shielding layer may be disposed between the pixel driving circuit and the light emitting device layer, specifically, the light shielding layer is disposed on the metal layer between the source drain layer and the anode layer, or the light shielding layer may be disposed on the metal layer between the active layer and the substrate. In the rete before the light entering camera of external world, all can set up the light shield layer to improve the light diffraction effect who reaches the camera.
The first pixel 51 sharing one pixel driving circuit with the second pixel 52 includes: a first anode 71 disposed on the side of the driving circuit layer 6 far from the substrate layer 3, and a first light-emitting functional layer 91 and a first cathode 81 disposed on the side of the first anode 71 in an overlapping manner, wherein the first anode 71 is connected to the first pixel driving circuit 61; the first anode 71 includes a first conductive layer 711, and a first insulating layer 712 and a second conductive layer 713 which are stacked over the first conductive layer 711; the second pixel 52 includes: a second anode 72, and a second light-emitting functional layer 92 and a second cathode 82 which are stacked and arranged on the side of the second anode 72 far from the substrate layer 3; the second anode 72 includes a third conductive layer 721, and a second insulating layer 722 and a fourth conductive layer 721 which are stacked over the third conductive layer 723; the first conductive layer 711 and the third conductive layer 723 are connected by a first metal line; the first metal wire and the first conductive layer 711 are disposed on the same layer and have the same material, or the first metal wire and the third conductive layer 723 are disposed on the same layer and have the same material, that is, any one of the conductive layers of the first conductive layer 711 and the third conductive layer 723 can extend until they contact each other, so that the first conductive layer 711 and the third conductive layer 723 are communicated with each other, thereby achieving the purpose of sharing one first pixel driving circuit 61, and a metal trace does not need to be separately prepared, thereby simplifying the manufacturing process of the display panel.
In the display panel, in each of the above-mentioned fig. 3-fig. 8 and fig. 10, in two adjacent pixel light-transmitting groups, a projection of one light-transmitting hole 41 in the first pixel light-transmitting group 211 on the substrate layer 3 coincides with a projection of one light-transmitting hole 41 in the second pixel light-transmitting group 212 on the substrate layer 3, that is, the first pixel light-transmitting group 211 and the second pixel light-transmitting group 212 in the two adjacent pixel light-transmitting groups share one light-transmitting hole 41. In another embodiment of the present invention, as shown in fig. 12, in two adjacent pixel light-transmitting groups, the projection of three adjacent light-transmitting holes 41 in the first pixel light-transmitting group 211 on the substrate layer 3 coincides with the projection of three adjacent light-transmitting holes 41 in the second pixel light-transmitting group 212 on the substrate layer 3, that is, the first pixel light-transmitting group 211 and the second pixel light-transmitting group 212 in the two adjacent pixel light-transmitting groups share three light-transmitting holes 41; when light passes through the first display area 1, the light holes 41 shared in the three pixel light transmission groups enable the light transmission regions and the shading regions 42 to be distributed more uniformly, the area of the full light transmission region in one pixel light transmission group is increased, the phenomenon that light interference is constructive or destructive can be further avoided, phase superposition is further avoided, the influence of diffraction and interference effect of the light on light uniformity is reduced, and the image quality of the front camera is improved.
It should be understood that the shape of the light-transmitting hole 41 (including the first light-transmitting sub-hole 44 and the second light-transmitting sub-hole 43) may be a circle as shown in fig. 3, a polygon such as a triangle and a quadrangle, or an irregular shape formed by a curve (e.g., an arc) and a straight line, and therefore, the specific shape of the light-transmitting hole 41 is not limited in the embodiments of the present invention.
It should be further understood that, in the first display region 1 of one display panel, the specific distribution structure of two pixel light-transmitting groups in at least one group of two adjacent pixel light-transmitting groups may be as described in any one of the structures shown in fig. 3-8, for example, the first display region 1 includes four pixel light-transmitting groups, and two pixel light-transmitting groups constitute a group of adjacent pixel light-transmitting groups, the structure of two pixel light-transmitting groups in the first group of adjacent pixel light-transmitting groups may be as shown in fig. 3, and the structure of two pixel light-transmitting groups in the other group of adjacent pixel light-transmitting groups may be as shown in fig. 6. Also for example, of the plurality of pixel light-transmitting groups included in the first display region 1, any two adjacent pixel light-transmitting groups may have the structure shown in fig. 3.
As a second aspect of the present invention, an embodiment of the present invention provides a display device, including the display panel 100 described above, as shown in fig. 13. The specific structure and principle of the display panel 100 are the same as those of the above embodiments, and are not described herein again. The display device may be any electronic device with a display function, such as a touch display screen, a mobile phone, a tablet computer, a notebook computer, an electronic paper book, or a television. In the display device provided in the embodiment of the present invention, the display panel includes a first display area 1 and a second display area 2, wherein a front camera is disposed below the first display area 1, the first display area 1 includes a pixel layer 5 and a light shielding layer 4, wherein a plurality of light transmission holes 41 are disposed on the light shielding layer 4, and a plurality of pixels in the first display area 1 and the plurality of light transmission holes 41 are combined into a plurality of pixel light transmission hole 41 groups, so that one pixel light transmission group includes: the first pixels 51 and the light holes 41 are arranged, and one or three light holes 41 are shared by two adjacent pixel light transmission groups, when light passes through the first display area 1, the light holes 41 shared by one pixel light transmission group can avoid the phenomenon of constructive or destructive interference of light, so that phase superposition is further avoided, the influence of diffraction and interference effect of light on light uniformity is reduced, and the image quality of the front camera is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (14)
1. A display panel including a first display region and a second display region disposed around the first display region, the display panel comprising: a substrate layer;
the first display area comprises a light shielding layer arranged on one side of the substrate layer, a plurality of light holes are formed in the light shielding layer, and the light holes penetrate through the light shielding layer;
the display panel further comprises a pixel layer arranged on one side, far away from the substrate layer, of the light shielding layer, wherein the pixel layer located in the first display area comprises a plurality of first pixels;
wherein the first display region includes a plurality of pixel transmission groups, the pixel transmission groups including: at least one first pixel and a plurality of light holes;
wherein, two adjacent pixel light-transmitting groups are respectively a first pixel light-transmitting group and a second pixel light-transmitting group,
the projection of one light hole in the first pixel light-transmitting group on the substrate layer is coincident with the projection of one light hole in the second pixel light-transmitting group on the substrate layer; or
The projections of three adjacent light holes in the first pixel light-transmitting group on the substrate layer are superposed with the projections of three adjacent light holes in the second pixel light-transmitting group on the substrate layer;
the projection of one light hole in the first pixel light-transmitting group on the substrate layer is superposed with the projection of one light hole in the second pixel light-transmitting group on the substrate layer, wherein the light holes superposed in the projection on the substrate layer are superposed light holes;
in the first pixel light-transmitting group, the coincident light-transmitting hole is taken as a starting point, two light-transmitting holes which are adjacent to the coincident light-transmitting hole in the clockwise direction and are positioned at two sides of the coincident light-transmitting hole are respectively a first light-transmitting hole and a second light-transmitting hole; in the second pixel light-transmitting group, the coincident light-transmitting hole is taken as a starting point, and two light-transmitting holes which are adjacent to the coincident light-transmitting hole in the clockwise direction and are positioned at two sides of the coincident light-transmitting hole are respectively a third light-transmitting hole and a fourth light-transmitting hole; the center of the second light hole, the center of the fourth light hole and the center of the coincident light hole are on the same straight line, and the center of the first light hole, the center of the third light hole and the center of the coincident light hole are on the same straight line.
2. The display panel of claim 1, wherein the pixel transmission group comprises at least one first pixel and a plurality of the transmission holes surrounding the first pixel, wherein the centers of the transmission holes surrounding the first pixel are on the same first circle.
3. The display panel according to claim 2, wherein a center of the first circle is a center of the first pixel.
4. The display panel of claim 1, wherein one of the pixel transmission groups comprises a first pixel and six transmission holes surrounding the first pixel.
5. The display panel according to claim 1, wherein the distance between the center of the second light hole and the center of the coincident light hole is equal to the distance between the center of the fourth light hole and the center of the coincident light hole; and the distance between the center of the first light hole and the center of the coincident light hole is equal to the distance between the center of the third light hole and the center of the coincident light hole.
6. The display panel according to claim 1, wherein the pixel transmission group includes:
a first sub-pixel light-transmitting group; and
a plurality of light transmission holes surrounding the periphery of the first sub-pixel light transmission group;
wherein the first sub-pixel light-transmitting group includes:
a first sub light-transmitting hole; and a plurality of first pixels surrounding the periphery of the first sub light-transmitting hole.
7. The display panel of claim 6, wherein the centers of each light hole around the perimeter of the first sub-pixel light transmission group are on the same second circle.
8. The display panel according to claim 7, wherein the center of the second circle coincides with the center of the first sub light-transmitting hole.
9. The display panel according to claim 1, wherein the pixel transmission group includes:
a second sub-pixel light-transmitting group;
a plurality of light transmission holes surrounding the periphery of the second sub-pixel light transmission group; and
the first pixels are arranged around the plurality of light holes;
wherein the second sub-pixel light-transmitting group includes:
a second sub light-transmitting hole; and
at least one second pixel, a projection of the second pixel on the substrate being within a projection of the second sub-aperture on the substrate layer.
10. The display panel of claim 9, wherein the second sub-pixel transmission group comprises: and the connecting line of the centers of the two second pixels passes through the center of the second sub light-transmitting hole.
11. The display panel according to claim 9, further comprising:
a driving circuit layer for driving the light emitting diode,
the driving circuit layer includes:
a plurality of first pixel driving circuits for driving the first pixels to emit light, respectively;
a plurality of first signal lines for supplying signals to the first pixel driving circuits;
at least one second pixel driving circuit, which is respectively used for driving the second pixels to emit light; and
at least one second signal line for providing a signal to the second pixel driving circuit;
the projections of the first pixel driving circuits, the second pixel driving circuits and the first signal lines on the substrate layer are all located in the projection of the light shielding layer on the substrate, and the at least one second signal line is a transparent signal line.
12. The display panel according to claim 10, further comprising:
a driving circuit layer for driving the light emitting diode,
the driving circuit layer includes:
a plurality of first pixel driving circuits for driving the first pixels to emit light, respectively; and
a plurality of first signal lines for supplying signals to the first pixel driving circuits;
the projections of the plurality of first pixel driving circuits and the plurality of signal lines on the substrate layer are all positioned in the projection of the light shielding layer on the substrate layer;
the second pixel and any one of a plurality of first pixels in the first display area share one first pixel driving circuit;
the second pixel is connected to the first pixel sharing one pixel driving circuit with the second pixel through a first metal wire.
13. The display panel according to claim 12,
the first pixel sharing one first pixel driving circuit with the second pixel includes:
the first anode is arranged on one side, far away from the substrate layer, of the driving circuit layer, and the first light-emitting function layer and the first cathode are arranged on one side, close to the first anode in a superposed mode, of the first anode, wherein the first anode is connected with the first pixel driving circuit;
the first anode comprises a first conductive layer, and a first insulating layer and a second conductive layer which are superposed on the first conductive layer;
the second pixel includes:
the second anode, the second light-emitting functional layer and the second cathode are arranged on one side, far away from the substrate layer, of the second anode in a superposed mode;
the second anode comprises a third conducting layer, and a second insulating layer and a fourth conducting layer which are superposed on the third conducting layer;
wherein the first conductive layer and the third conductive layer are connected by the first metal line;
the first metal wire and the first conducting layer are arranged on the same layer; or
The first metal wire and the third conductive layer are arranged on the same layer.
14. A display device comprising a display panel as claimed in any one of claims 1-13.
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| CN114651331A (en) * | 2020-10-19 | 2022-06-21 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN116612714A (en) * | 2022-03-27 | 2023-08-18 | 深圳市美矽微半导体有限公司 | LED carrier plate and display device thereof |
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