CN214587749U - Display panel and display device of camera under screen - Google Patents

Abstract

The embodiment of the utility model provides a be applicable to and show technical field, provide a display panel and display device of camera under screen, the display panel of camera under screen includes first display area and encloses to be established first display area peripheral second display area, first display area below is provided with the camera, first display area is provided with a plurality of sub-pixel units and does sub-pixel unit provides drive signal's a plurality of pixel circuit units, its characterized in that, and is a plurality of pixel circuit unit is irregular array mode and arranges. The utility model discloses can reduce grating diffraction effect to the influence of formation of image quality.

Description

Display panel and display device of camera under screen

Technical Field

The utility model belongs to the technical field of show, especially, relate to a display panel and display device of camera under screen.

Background

With the development of science and technology and the higher and higher requirements of people on various aspects of performance of products, the comprehensive screen becomes an expectable technology of the smart phone. In order to realize an ultra-high screen ratio, a front-facing camera needs to be placed below the display screen. When the front camera is arranged below the display screen, the camera below the display screen cannot realize clear imaging due to the low transmittance of the display screen to visible light. In the related art, the arrangement of the pixel circuits in the camera area is periodic, which is equivalent to forming a grating structure, and when incident light is irradiated, grating diffraction of the incident light is caused, so that an enhancement area and a reduction area are formed, thereby affecting the imaging quality.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a technical problem that will solve provides a display panel and display device of camera under screen, aims at reducing grating diffraction effect to the influence of image quality.

The embodiment of the utility model provides a realize like this, a display panel of camera under screen, include first display area and enclose to establish first display area peripheral second display area, first display area below is provided with the camera, first display area be provided with a plurality of sub-pixel units and do sub-pixel unit provides drive signal's a plurality of pixel circuit unit, and is a plurality of pixel circuit unit is irregular array mode and arranges.

Furthermore, the pitches of the two sub-pixel units in the adjacent rows and in the same column are equal, and the pitches of the two sub-pixel units in the adjacent columns and in the same row are not equal.

Further, the distance between any two adjacent sub-pixel units is not equal.

Furthermore, the plurality of sub-pixel units in the first display area are regularly arranged.

Furthermore, the second display area is provided with a plurality of sub-pixel units, the sub-pixel units of the first display area and the sub-pixel units of the second display area are arranged in an array manner, and the pixel density of the sub-pixel units of the first display area is smaller than that of the sub-pixel units of the second display area.

Further, the first display area is provided with a circuit layer and a pixel limiting layer arranged above the circuit layer, the camera is arranged below the circuit layer, the circuit layer is provided with the pixel circuit units, the pixel limiting layer is provided with the sub-pixel units, and the pixel circuit units correspond to the sub-pixel units one to one.

Further, the circuit layer comprises a passivation layer, the pixel circuit unit comprises a pixel electrode, the pixel electrode is arranged in the passivation layer, and the projection of the sub-pixel unit corresponding to the pixel electrode along the vertical direction does not intersect with the projection of the pixel electrode along the vertical direction.

Further, the first display area is a regular hexagon.

Furthermore, the display panel of the under-screen camera further comprises a boundary area arranged between the first display area and the second display area, a plurality of sub-pixel units are arranged at the periphery of the boundary area, and the brightness of the sub-pixel units located in the boundary area is greater than the brightness of the sub-pixel units located in the first display area and the second display area.

Further, a display device is provided, which includes the display panel of the under-screen camera according to any one of the above.

Compared with the prior art, the embodiment of the utility model, beneficial effect lies in: because the pixel circuit units in the first display area are arranged in an irregular array mode, the periodicity of the grating can be effectively reduced, and the influence of the diffraction effect of the grating on the imaging quality can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of a display panel of an under-screen camera provided by the present invention;

fig. 2 is a schematic view of a part of the structure of the display panel of the under-screen camera provided by the present invention;

fig. 3 is a schematic layout diagram of pixel circuit units in a first display area in a display panel of an off-screen camera according to an embodiment of the present invention;

fig. 4 is a schematic layout diagram of pixel circuit units in a first display area in a display panel of an off-screen camera according to another embodiment of the present invention;

fig. 5 is a schematic view of a part of the structure of the display panel of the under-screen camera provided by the present invention;

fig. 6 is a schematic view of a sectioning structure of a display panel of the camera under the screen.

In the drawings, each reference numeral denotes:

10. a first display area; 20. a second display area; 30. a sub-pixel unit; 40. a pixel circuit unit; 50. a circuit layer; 60. a pixel defining layer; 70. a boundary region; 80. a camera is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to fig. 6, the display panel of the camera under the screen according to the embodiment of the present invention includes a first display region 10 and a second display region 20 surrounding the first display region 10, wherein a camera 80 is disposed below the first display region 10, and the first display region 10 is provided with a plurality of sub-pixel units 30 and a plurality of pixel circuit units 40 for providing driving signals to the sub-pixel units 30.

Further, the pixel circuit units 40 are arranged in an irregular array, so that the periodicity of the grating can be effectively reduced, and the influence of the diffraction effect of the grating on the imaging quality can be reduced.

In one possible embodiment of the present invention, as shown in fig. 3, the pitches of two sub-pixel units 30 located in adjacent rows and in the same column are equal, and the pitches of two sub-pixel units 30 located in adjacent columns and in the same row are not equal, that is, the column pitch of the array formed by the plurality of sub-pixel units 30 is not equal. Of course, in other possible embodiments, as shown in fig. 4, the pitches of any two adjacent sub-pixel units 30 are not equal, so as to further reduce the periodicity of the grating.

In this embodiment, the first display region 10 is provided with a circuit layer 50 and a pixel defining layer 60 disposed above the circuit layer 50, the camera 80 is disposed below the circuit layer 50, the circuit layer 50 is provided with a pixel circuit unit 40, the pixel defining layer 60 is provided with a sub-pixel unit 30, and the pixel circuit units 40 and the sub-pixel units 30 correspond to each other one by one. The circuit layer 50 may be a TFT (Thin Film Transistor) layer, that is, a semiconductor device is used to constitute the pixel circuit unit 40 as a switching element whether or not the sub-pixel unit 30 receives image data.

In this embodiment, the plurality of sub-pixel units 30 in the first display region 10 are regularly arranged. The sub-pixel elements 30 cannot be randomly placed but should be arranged in a pattern to ensure the correctness of the displayed image. And since diffraction of incident light is mainly caused by the metal of the circuit layer 50, and the influence of the sub-pixel unit 30 is small, the sub-pixel unit 30 does not need to be randomly placed.

In addition, the second display region 20 is also provided with a plurality of sub-pixel units 30, the sub-pixel units 30 of the first display region 10 and the sub-pixel units 30 of the second display region 20 are arranged in an array manner, and the pixel density of the sub-pixel units 30 of the first display region 10 is smaller than that of the sub-pixel units 30 of the second display region 20, so that the light transmittance can be improved. The sub-pixel units 30 of the present embodiment are respectively a red sub-pixel, a green sub-pixel and a blue sub-pixel, and for example, a pentile (adjacent pixel common sub-pixel) arrangement is used, the red sub-pixel, the green sub-pixel and the blue sub-pixel are arranged in a triangle, if the pixel density of the sub-pixel units 30 of the first display area 10 is halved, only 1/4 sub-pixel units 30 are remained, and the light transmittance can be effectively improved.

Further, the circuit layer 50 includes a passivation layer, the pixel circuit unit 40 includes a pixel electrode, the pixel electrode is disposed in the passivation layer, and a projection of the pixel electrode corresponding to the sub-pixel unit 30 along the vertical direction does not intersect with a projection of the pixel electrode along the vertical direction. In practical operation, as shown in fig. 5, an area a where the pixel electrode is allowed to be placed is defined on the pixel circuit unit 40, then the program determines whether the sub-pixel unit 30 covers the whole "area where the pixel electrode is allowed to be placed", and then the program finds an area B where the sub-pixel unit 30 does not cover as the placement position of the pixel electrode in this area. If there is no place to place the pixel electrode, the program will randomly adjust the distance between the pixel circuit units 40 or the coordinates of the pixel circuit units 40, and re-determine according to the above steps until finding a placement position of a pixel electrode.

In addition, in order to avoid the display line effect at the boundary between the first display region 10 and the second display region 20, the first display region 10 is designed to be a regular hexagon. The display panel of the off-screen camera 80 of the present embodiment further includes a boundary area 70 disposed between the first display area 10 and the second display area 20, a plurality of sub-pixel units 30 are arranged around the boundary area 70, and the luminance of the sub-pixel unit 30 located in the boundary area 70 is greater than the luminance of the sub-pixel unit 30 located in the first display area 10 and the second display area 20, so as to prevent bright and dark lines from appearing in the boundary area 70.

The embodiment of the utility model provides a still provide a display device, display device includes the display panel of camera under above-mentioned technical scheme's the screen.

To sum up, the utility model discloses a display panel of camera under screen, owing to be located a plurality of pixel circuit unit 40 of first display area 10 and be irregular array mode and arrange, consequently can effectively reduce the periodicity of grating to can reduce grating diffraction effect to imaging quality's influence.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a display panel of camera under screen, includes first display area (10) and encloses to establish first display area (10) peripheral second display area (20), first display area (10) below is provided with camera (80), first display area (10) are provided with a plurality of sub-pixel unit (30) and do sub-pixel unit (30) provide drive signal's a plurality of pixel circuit unit (40), its characterized in that, a plurality of pixel circuit unit (40) are arranged in irregular array mode.

2. The display panel of the under-screen camera according to claim 1, wherein the pitches of the two sub-pixel units (30) in the adjacent rows and in the same column are equal, and the pitches of the two sub-pixel units (30) in the adjacent columns and in the same row are not equal.

3. The display panel of the under-screen camera according to claim 1, wherein the pitches of any two adjacent sub-pixel units (30) are not equal.

4. The display panel of the under-screen camera according to claim 1, wherein the plurality of sub-pixel units (30) of the first display region (10) are regularly arranged.

5. The display panel of the under-screen camera according to claim 1, wherein the second display region (20) is provided with a plurality of sub-pixel units (30), the sub-pixel units (30) of the first display region (10) and the sub-pixel units (30) of the second display region (20) are arranged in an array, and a pixel density of the sub-pixel units (30) of the first display region (10) is less than a pixel density of the sub-pixel units (30) of the second display region (20).

6. The display panel of the under-screen camera according to claim 1, wherein the first display region (10) is provided with a circuit layer (50) and a pixel defining layer (60) disposed above the circuit layer (50), the camera (80) is disposed below the circuit layer (50), the circuit layer (50) is provided with the pixel circuit units (40), the pixel defining layer (60) is provided with the sub-pixel units (30), and the pixel circuit units (40) correspond to the sub-pixel units (30) one to one.

7. The display panel of the under-screen camera according to claim 6, wherein the circuit layer (50) comprises a passivation layer, the pixel circuit unit (40) comprises a pixel electrode, the pixel electrode is disposed in the passivation layer, and a projection of the sub-pixel unit (30) corresponding to the pixel electrode in the vertical direction does not intersect with a projection of the pixel electrode in the vertical direction.

8. The display panel of the under-screen camera according to claim 5, wherein the first display region (10) is a regular hexagon.

9. The display panel of the off-screen camera according to claim 8, wherein the display panel of the off-screen camera (80) further comprises an interface area (70) disposed between the first display area (10) and the second display area (20), a plurality of the sub-pixel units (30) are arranged around the interface area (70), and the luminance of the sub-pixel units (30) located in the interface area (70) is greater than the luminance of the sub-pixel units (30) located in the first display area (10) and the second display area (20).

10. A display device characterized in that it comprises a display panel of the under-screen camera according to any one of claims 1 to 9.

Images