IP Library › Granted Patent US 12,433,094
Granted Patent B2
US 12,433,094 · App. 17/895,764 · Granted Sep 30, 2025

Display panel and display device having reduced display difference between light collection area and non-light collection area

Inventor: Xiaoyang Tong (Wuhan, CN)
Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
H10K50/865H10K59/122
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Quick Facts
Patent No.
US 12,433,094
App. No.
17/895,764
Granted
Sep 30, 2025
Kind
B2
Abstract

Display panel and display device are provided. The display panel includes a substrate, a light-emitting layer on a first side of the substrate, and a light-shielding layer on a side of the light-emitting layer away from the substrate. A first area of the light-shielding layer includes a plurality of first light-transmitting holes, and a second area of the light-shielding layer includes a plurality of second light-transmitting holes. The display panel includes a first display area and a second display area, the first display area is a light collection area, the first area of the light-shielding layer is in a non-opening area of the first display area, and the second area of the light-shielding layer is in a non-opening area of the second display area.

Claims (39)

1. A display panel, comprising a substrate, a light-emitting layer on a first side of the substrate, a light-shielding layer on a side of the light-emitting layer away from the substrate, an encapsulation film encapsulating the light-emitting layer and a pixel definition layer between the substrate and the encapsulation film, wherein:

a first area of the light-shielding layer includes a plurality of first light-transmitting holes, and a second area of the light-shielding layer includes a plurality of second light-transmitting holes;

the display panel includes a first display area and a second display area, the first display area is a light collection area, the first area of the light-shielding layer is in a non-opening area of the first display area, the second display area is a non-light collection area, and the second area of the light-shielding layer is in a non-opening area of the second display area;

the pixel definition layer is a black film layer, and the pixel definition layer includes a plurality of first openings corresponding to the plurality of first light-transmitting holes; and

a proportion of a light-transmitting area per unit area of the second display area is at least twice a proportion of a light-transmitting area per unit area of the first display area.

2. The display panel according to claim 1 , wherein an area of the plurality of second light-transmitting holes is at least twice an area of the plurality of first light-transmitting holes.

3. The display panel according to claim 1 , wherein an area of the plurality of second light-transmitting holes and an area of the plurality of first light-transmitting holes meet equal conditions, and a density of the plurality of second light-transmitting holes is at least twice a density of the plurality of first light-transmitting holes.

4. The display panel according to claim 1 , wherein the pixel definition layer also includes a plurality of second openings corresponding to the plurality of second light-transmitting holes.

5. A display device, comprising a display panel according to claim 1 .

6. A display panel, comprising a substrate, a light-emitting layer on a first side of the substrate, a light-shielding layer on a side of the light-emitting layer away from the substrate, an encapsulation film encapsulating the light-emitting layer, a pixel definition layer between the substrate and the encapsulation film, and a metal layer on a side of the pixel definition layer facing the substrate, wherein:

a first area of the light-shielding layer includes a plurality of first light-transmitting holes, and a second area of the light-shielding layer includes a plurality of second light-transmitting holes;

the display panel includes a first display area and a second display area, the first display area is a light collection area, the first area of the light-shielding layer is in a non-opening area of the first display area, the second display area is a non-light collection area, and the second area of the light-shielding layer is in a non-opening area of the second display area;

the pixel definition layer is a transparent film layer;

the metal layer includes a plurality of metal units;

in a direction perpendicular to a plane where the display panel is located, the plurality metal units is in one-to-one correspondence with the plurality of second light-transmitting holes; and

an area of the plurality of second light-transmitting holes is smaller than an area of the plurality of the first light-transmitting holes.

7. The display panel according to claim 6 , wherein a proportion of a light-transmitting area per unit area of the first display area and a proportion of a light-transmitting area per unit area of the second display area meet equal conditions.

8. The display panel according to claim 6 , wherein a ratio of the area of the plurality of second light-transmitting holes to the area of the plurality of the first light-transmitting holes ranges from 40% to 50%.

9. The display panel according to claim 6 , wherein an area of the plurality of second light-transmitting holes is less than or equal to half an area of the plurality of the first light-transmitting holes.

10. The display panel according to claim 9 , further comprising an anode layer between the substrate and the light-emitting layer, wherein:

the anode layer includes a plurality of anode units, and the metal layer and the anode layer are on a same layer.

11. The display panel according to claim 10 , wherein a ratio of the area of the plurality of second light-transmitting holes to the area of the plurality of the first light-transmitting holes ranges from 20% to 40%.

12. The display panel according to claim 6 , further comprising an anode layer between the substrate and the light-emitting layer, and a touch electrode layer between the light-shielding layer and the pixel definition layer, wherein:

the touch electrode layer includes a plurality of touch electrodes;

the anode layer includes a plurality of anode units, and touch electrodes of the plurality of touch electrodes are metal electrodes; and

part of the metal units and the plurality of anode units are on a same layer, and another part of the metal units and the plurality of touch electrodes are on a same layer.

13. A display device, comprising a display panel according to claim 6 .

14. A display panel, comprising a substrate, a light-emitting layer on a first side of the substrate, a light-shielding layer on a side of the light-emitting layer away from the substrate, an encapsulation film encapsulating the light-emitting layer, a pixel definition layer between the substrate and the encapsulation film, and a metal layer between the light-shielding layer and the pixel definition layer, wherein:

a first area of the light-shielding layer includes a plurality of first light-transmitting holes, and a second area of the light-shielding layer includes a plurality of second light-transmitting holes;

the display panel includes a first display area and a second display area, the first display area is a light collection area, the first area of the light-shielding layer is in a non-opening area of the first display area, the second display area is a non-light collection area, and the second area of the light-shielding layer is in a non-opening area of the second display area;

the pixel definition layer is a transparent film layer;

the metal layer includes a plurality of metal units;

in a direction perpendicular to a plane where the display panel is located, the plurality of metal units is in one-to-one correspondence with the plurality of second light-transmitting holes; and

an area of the plurality of second light-transmitting holes is smaller than an area of the plurality of the first light-transmitting holes.

15. The display panel according to claim 14 , further comprising a touch electrode layer on a side of the light-shielding layer facing the light-emitting layer, and the touch electrode layer including a plurality of touch electrodes.

16. The display panel according to claim 15 , wherein touch electrodes of the plurality of touch electrodes are metal electrodes, and the metal electrodes and the plurality of metal units are on a same layer.

17. The display panel according to claim 15 , wherein at least part of the touch electrodes is multiplexed into metal units.

18. The display panel according to claim 17 , wherein a ratio of the area of the plurality of second light-transmitting holes to the area of the plurality of the first light-transmitting holes ranges from 40% to 50%.

19. A display device, comprising a display panel according to claim 14 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 25, 2022
From: TONG, XIAOYANG
To: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.
Reel/Frame 060903/0552 →
Priority Claims (1)
CN 202210760347.0 · Jun 30, 2022 · national
Continuity (1)
Related Publication 20240008306A1 · Jan 4, 2024
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