Granted Patent B2

US 12,222,751 · App. 16/840,589 · Granted Feb 11, 2025

Inventors: Suli Hu (Wuhan, CN); Yangzhao Ma (Wuhan, CN); Zhiqiang Xia (Wuhan, CN); Ruiyuan Zhou (Wuhan, CN)

Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.

G06F1/1605G06F1/1626G06F1/189H01L27/14605H01L27/14629

Abstract

Claims (63)

1. A display panel, comprising:

a first display region and a second display region, wherein:

the second display region includes a plurality of light-transmitting hole combination regions, wherein:

at each light-transmitting hole combination region, at least two light-transmitting hole groups surround a central light-transmitting hole;

each light-transmitting hole group includes a plurality of light-transmitting holes;

a boundary line of each light-transmitting hole is a closed arc; and

centers of all light-transmitting holes in each light-transmitting hole group are distributed along a ring shape, wherein different light-transmitting hole groups have different ring sizes, different ring shapes corresponding to the at least two light-transmitting hole groups share a common center with a center of the central light-transmitting hole, and each of at least two ring shapes, corresponding to the at least two light-transmitting hole groups, is a circle or an ellipse;

all light-transmitting holes, except the central light-transmitting hole, in the second display region are distributed along a ring shape, and there is no light-transmitting hole between two adjacent light-transmitting hole combination regions; and

the second display region further includes a plurality of pixels and a plurality of pixel drive circuits, wherein:

pixel drive circuits in the plurality of pixel drive circuits used for driving pixels in the light-transmitting hole combination regions are first pixel drive circuits;

at least a portion of the first pixel drive circuits is at a region outside the light-transmitting hole combination regions; and

the pixels in the light-transmitting hole combination regions are exclusively disposed between the at least two light-transmitting hole groups and between the central light-transmitting hole and one of the at least two light-transmitting hole groups directly adjacent to the central light-transmitting hole in the second display region.

2. The display panel according to claim 1 , wherein:

centers of all light-transmitting hole groups in each light-transmitting hole combination region coincide with each other.

3. The display panel according to claim 2 , wherein:

the at least two light-transmitting hole groups disposed at each light-transmitting hole combination region include a first light-transmitting hole group and a second light-transmitting hole group, wherein:

a distance between each light-transmitting hole in the first light-transmitting hole group and the central light-transmitting hole is greater than a distance between each light-transmitting hole in the second light-transmitting hole group and the central light-transmitting hole; and

a quantity of the light-transmitting holes included in the first light-transmitting hole group is greater than a quantity of the light-transmitting holes included in the second light-transmitting hole group.

4. The display panel according to claim 1 , wherein:

the first pixel drive circuits include a plurality of first sub-pixel drive circuit groups, and a first sub-pixel drive circuit group includes at least two pixel drive circuits; and

the plurality of first sub-pixel drive circuit groups is evenly disposed around the light-transmitting hole combination regions.

5. The display panel according to claim 4 , wherein:

the second display region includes the plurality of light-transmitting hole combination regions arranged in a matrix; and

the plurality of the first sub-pixel drive circuit groups is evenly disposed at a gap between two light-transmitting hole combination regions which are adjacent to the plurality of the first sub-pixel drive circuit groups.

6. The display panel according to claim 1 , wherein:

the first pixel drive circuits further include a plurality of second sub-pixel drive circuit groups; and

the plurality of second sub-pixel drive circuit groups is disposed within the light-transmitting hole combination regions.

7. The display panel according to claim 1 , wherein:

the second display region further includes an electrical connection line electrically connecting a pixel with a pixel drive circuit.

8. The display panel according to claim 7 , wherein:

the electrical connection line includes a metal wiring which is at a region in the light-transmitting hole combination regions and outside the light-transmitting holes.

9. The display panel according to claim 7 , wherein:

the electrical connection line includes a transparent conductive wiring, wherein at least a portion of the transparent conductive wiring is at a region of the light-transmitting holes in the light-transmitting hole combination regions.

10. The display panel according to claim 7 , wherein:

the electrical connection line includes a metal wiring and a transparent conductive wiring electrically connected to the metal wiring, wherein the metal wiring is at a region in the light-transmitting combination regions and outside the light-transmitting holes, and at least a portion of the transparent conductive wiring is at a region of the light-transmitting holes in the light-transmitting hole combination regions.

11. The display panel according to claim 7 , further including:

a plurality of scan lines arranged along a first direction; and

the plurality of scan lines is at a region outside the light-transmitting hole combination regions in the second display region and passes through gaps between adjacent light-transmitting hole combination regions arranged along a second direction.

12. The display panel according to claim 7 , further including:

a plurality of data lines arranged along a second direction; and

the plurality of data lines is at a region outside the light-transmitting hole combination regions in the second display region and passes through gaps between adjacent light-transmitting hole combination regions arranged along a first direction.

13. The display panel according to claim 1 , further including:

a support element;

a multi-layer insulating layer on a first side surface of the support element, wherein the multi-layer insulating layer includes at least one organic insulating layer and at least one inorganic insulating layer, and a portion of the multi-layer insulating layer, corresponding to the light-transmitting hole combination regions, includes a plurality of first through holes passing through the at least one organic insulating layer; and

a metal light-shielding layer on a side of the multi-layer insulating layer away from the support element, wherein a portion of the metal light-shielding layer, corresponding to the light-transmitting hole combination regions, includes a plurality of second through holes passing through the metal light-shielding layer; and the plurality of first through holes and the plurality of second through holes have a one-to-one correspondence passing through each other to form the light-transmitting holes of the second display region.

14. The display panel according to claim 13 , wherein:

the metal light-shielding layer includes a plurality of first anode power supply lines; and

the display panel further includes second anode power supply lines disposed at a different layer of the first anode power supply lines, wherein the first anode power supply lines have a one-to-one correspondence with the second anode power supply lines and are configured in parallel with the second anode power supply lines corresponding to the first anode power supply lines.

15. A display device, comprising:

a display panel, comprising:

a first display region and a second display region, wherein:

the second display region includes a plurality of light-transmitting hole combination regions, wherein:

at each light-transmitting hole combination region, at least two light-transmitting hole groups surround a central light-transmitting hole;

each light-transmitting hole group includes a plurality of light-transmitting holes;

a boundary line of each light-transmitting hole is a closed arc; and

centers of all light-transmitting holes in each light-transmitting hole group are distributed along a ring shape, wherein different light-transmitting hole groups have different ring sizes, different ring shapes corresponding to the at least two light-transmitting hole groups share a common center with a center of the central light-transmitting hole, and each of at least two ring shapes, corresponding to the at least two light-transmitting hole groups, is a circle or an ellipse;

all light-transmitting holes, except the central light-transmitting hole, in the second display region are distributed along a ring shape, and there is no light-transmitting hole between two adjacent light-transmitting hole combination regions; and

the second display region further includes a plurality of pixels and a plurality of pixel drive circuits, wherein:

pixel drive circuits in the plurality of pixel drive circuits used for driving pixels in the light-transmitting hole combination regions are first pixel drive circuits;

at least a portion of the first pixel drive circuits is at a region outside the light-transmitting hole combination regions; and

the pixels in the light-transmitting hole combination regions are exclusively disposed between the at least two light-transmitting hole groups and between the central light-transmitting hole and one of the at least two light-transmitting hole groups directly adjacent to the central light-transmitting hole in the second display region.

16. The display device according to claim 15 , further including:

a camera, disposed at the second display region.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (16)