Display panel and display apparatus

Patent metadata

Field	Value
Publication number	US-12535692-B2
Application number	US-202218282216-A
Country	US
Kind code	B2
Filing date	Sep 21, 2022
Priority date	Nov 30, 2021
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

The present disclosure provides a display panel and a display apparatus. The display panel includes sub-pixel islands, the sub-pixel island includes a first small pixel island and a second small pixel island arranged along a first direction, and each of the small pixel islands includes at least two small pixel groups. The display panel further includes a first cylindrical lens and a second cylindrical lens arranged along the first direction. A distance between two small pixel groups in the first small pixel island is smaller than a distance between two small pixel groups in the second small pixel island, a radius of curvature of the first cylindrical lens is smaller than a radius of curvature of the second cylindrical lens, the first cylindrical lens and the second cylindrical lens are located at centers of the first small pixel island and the second small pixel island along the first direction respectively.

First claim

The invention claimed is:

1 . A display panel, wherein the display panel comprises a pixel array layer and a lens array layer arranged in a stacked manner, the pixel array layer comprises sub-pixel islands, the sub-pixel island comprises a first pixel island and a second pixel island arranged along a first direction in sequence, and each of the first pixel island and the second pixel island comprises at least two pixel groups;
the lens array layer comprises a first cylindrical lens and a second cylindrical lens arranged along the first direction, the first cylindrical lens corresponds to the first pixel island, and the second cylindrical lens corresponds to the second pixel island; a distance between two pixel groups in the first pixel island is smaller than a distance between two pixel groups in the second pixel island, a focal length of the first cylindrical lens is smaller than a focal length of the second cylindrical lens, the first cylindrical lens is arranged near a center of the first pixel island along the first direction, the two pixel groups in the first pixel island form a first visual area through the first cylindrical lens; the second cylindrical lens is arranged near a center of the second pixel island along the first direction, the two pixel groups in the second pixel island form a second visual area through the second cylindrical lens, the second visual area comprises two parts corresponding to the two pixel groups in the second pixel island respectively, the two parts of the second visual area are located at different sides of the first visual area along the first direction respectively.

2 . The display panel according to claim 1 , wherein each of the first pixel island and the second pixel island comprises two pixel groups, the two pixel groups of the first pixel island are symmetrically distributed relative to a center of the first pixel island along the first direction, and the two pixel groups of the second pixel island are symmetrically distributed relative to a center of the second pixel island along the first direction.

3 . The display panel according to claim 1 , wherein the sub-pixel island further comprises a third pixel island, the third pixel island comprises two pixel groups, and the first pixel island, the second pixel island and the third pixel island are arranged along the first direction in sequence;
the lens array layer further comprises a third cylindrical lens, the third cylindrical lens corresponds to the third pixel island, and the first cylindrical lens, the second cylindrical lens and the third cylindrical lens are arranged along the first direction in sequence; the distance between the two pixel groups in the second pixel island is smaller than a distance between two pixel groups in the third pixel island, the focal length of the second cylindrical lens is smaller than a focal length of the third cylindrical lens, the third cylindrical lens is arranged near a center of the third pixel island along the first direction, the two pixel groups in the third pixel island form a third visual area through the third cylindrical lens, the third visual area comprises two parts corresponding to the two pixel groups in the third pixel island respectively, and the two parts of the third visual area are located at different sides of the second visual area along the first direction respectively.

4 . The display panel according to claim 3 , wherein the first cylindrical lens, the second cylindrical lens and the third cylindrical lens share a same material, a radius of curvature of the first cylindrical lens is smaller than a radius of curvature of the second cylindrical lens, and the radius of curvature of the second cylindrical lens is smaller than a radius of curvature of the third cylindrical lens.

5 . The display panel according to claim 3 , wherein an arch height H 1 of the first cylindrical lens, an arch height H 2 of the second cylindrical lens, and an arch height H 3 of the third cylindrical lens satisfy: H 1 >H 2 >H 3 .

6 . The display panel according to claim 3 , wherein the first cylindrical lens, the second cylindrical lens and the third cylindrical lens have a same lens aperture.

7 . The display panel according to claim 3 , wherein an optical crosstalk between adjacent viewpoints of the first pixel island, the second pixel island and the third pixel island ≤10%.

8 . The display panel according to claim 1 , wherein the pixel array layer comprises the sub-pixel islands arranged along a second direction, the sub-pixel islands comprise an R sub-pixel island for emitting red light, a G sub-pixel island for emitting green light, and a B sub-pixel island for emitting blue light; sub-pixels in a sub-pixel island emit light of a same color.

9 . The display panel according to claim 8 , wherein each of the R sub-pixel island, the G sub-pixel island and the B sub-pixel island comprises at least two pixel rows along the second direction, and interval areas are set between adjacent sub-pixels in each of the sub-pixel rows;
in a sub-pixel island, the interval areas in a sub-pixel row are correspondingly filled by sub-pixels of other sub-pixel rows.

10 . The display panel according to claim 9 , wherein in a sub-pixel island, a distance between adjacent sub-pixel rows along the second direction is 2 μm-10 μm.

11 . The display panel according to claim 1 , wherein each of the first pixel island and the second pixel island comprises pixel distributing areas and isolation areas, and no sub-pixel is set within the isolation areas;
in a sub-pixel island, respective isolation areas in the first pixel island are correspondingly filled by respective pixel distributing areas in the second pixel island, and respective isolation areas in the second pixel island are correspondingly filled by respective pixel distributing areas in the first pixel island.

12 . The display panel according to claim 1 , wherein a distance between adjacent sub-pixels in the respective pixel groups in the first pixel island is equal to a distance between the two pixel groups in the first pixel island.

13 . The display panel according to claim 12 , wherein the two pixel groups in the first pixel island are arranged at a center of the first pixel island along the first direction.

14 . The display panel according to claim 1 , wherein a distance between adjacent sub-pixels in the respective pixel groups in the second pixel island is equal to a distance between the two pixel groups in the second pixel island.

15 . The display panel according to claim 1 , wherein for each of the pixel groups, a width of respective sub-pixel in the pixel group ranges from 5 μm to 0.9 mm.

16 . A display apparatus, wherein the display apparatus comprises the display panel according to claim 1 .

Assignees

• Boe Technology Group Co Ltd

Inventors

• Zhu Jinye
• Li Lin
• Cheng Fang
• Liang Pengxia
• Yu Jing

Classifications

• G02B30/27 Primary

  involving lenticular arrays · CPC title