Display module, display method thereof and display device

Patent metadata

Field	Value
Publication number	US-11835813-B2
Application number	US-202117517278-A
Country	US
Kind code	B2
Filing date	Nov 2, 2021
Priority date	Nov 24, 2020
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

Provided are a display module, a display device and a display method. The display module includes a display panel and a lens layer on a light-exiting side of the display panel, and the display panel includes an array substrate and a color film substrate. The array substrate includes a plurality of pixel islands arranged in an array, and each pixel island includes a plurality of sub-pixels arranged in a first direction. The color film substrate includes a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each pixel island corresponds to one color filter element. The lens layer includes a plurality of cylindrical lenses arranged consecutively in the first direction, each cylindrical lens corresponds to a pixel island, and the pixel island is arranged on a focal plane of the corresponding cylindrical lens.

First claim

What is claimed is:

1. A display module, comprising a display panel and a lens layer on a light-exiting side of the display panel, wherein the display panel comprises an array substrate and a color film substrate,
the array substrate is provided with a plurality of pixel islands arranged in an array, and each of the pixel islands comprises a plurality of sub-pixels arranged in a first direction,
the color film substrate comprises a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each of the pixel islands corresponds to one of the color filter elements; and
wherein the lens layer comprises a plurality of cylindrical lenses arranged consecutively in the first direction, and the pixel island is arranged on a focal plane of a corresponding one of the cylindrical lenses;
wherein a width of each of the color filter elements in the first direction is n times of a width of one of the black matrices, every n+1 of the cylindrical lenses correspond to one of the pixel islands, the width of each of the pixel islands in the first direction is less than or equal to a preset width, and n is an integer greater than or equal to 1.

2. The display module according to claim 1 , wherein the display panel comprises a base substrate, wherein the array substrate is located on the base substrate, the color film substrate is located on the array substrate, and the lens layer is located on the color film substrate; and
wherein the first direction is an extension direction of the base substrate.

3. The display module according to claim 1 , wherein the width of each of the color filter elements is equal to the width of the black matrix, and every two of the cylindrical lenses correspond to one of the pixel islands.

4. The display module according to claim 3 , wherein each of the pixel islands comprises eight sub-pixels, and the eight sub-pixels is configured to display different information, and to form eight view areas when the different information is projected to human eyes.

5. The display module according to claim 1 , wherein the width of each of the color filter elements is twice of the width of the black matrix, and every three of the cylindrical lenses correspond to one of the pixel islands.

6. The display module according to claim 5 , wherein each of the pixel islands comprises eight sub-pixels, wherein a first sub-pixel and a fifth sub-pixel are configured to display same information, a second sub-pixel and a sixth sub-pixel are configured to display same information, a third sub-pixel and a seventh sub-pixel are configured to display same information, a fourth sub-pixel and an eighth sub-pixel are configured to display same information, and the eight sub-pixels are configured to form four view areas when the information displayed by the eight sub-pixels is projected to human eyes.

7. The display module according to claim 1 , wherein the display panel comprises:
a base substrate;
a plurality of pixel electrodes on the base substrate, wherein each of the pixel electrodes is one of the sub-pixels;
a liquid crystal layer on the plurality of pixel electrodes; and
a common electrode on the liquid crystal layer,
wherein the color film substrate is on the common electrode,
the lens layer is on the color film substrate, and an extension direction of each of the cylindrical lens of the lens layer is the same as an extension direction of each of the pixel electrodes.

8. The display module according to claim 7 , wherein the first direction is an extending direction of the base substrate,
the extension direction of the pixel electrode is perpendicular to the first direction and parallel to a plane where the substrate is located; and
in the extending direction of each of the pixel electrodes, a length of each of the pixel electrodes is equal to a length of each of the black matrixes and a length of each of the color filter elements.

9. The display module according to claim 8 , wherein in the extending direction of each of the pixel electrodes, the length of each of the pixel electrodes is equal to a length of each of the cylindrical lens of the lens layer.

10. A display device comprising the display module according to claim 1 .

11. A display method of the display module according to claim 1 , comprising:
emitting light, by each of the pixel islands of the array substrate, wherein the light is incident in a corresponding one of the color filter elements of the color film substrate, and exits from the light-exiting side of the display panel; and
projecting the light emitted by each of the pixel islands to a human eye via the corresponding cylindrical lenses in the lens layer to form a continuous view area.

12. The display method according to claim 11 ,
wherein the projecting the light emitted by each of the pixel islands to the human eye via the corresponding cylindrical lenses in the lens layer to form the continuous view area comprises: projecting light emitted by sub-pixels of each pixel island to the human eye via the n+1 cylindrical lenses corresponding to the pixel island to form the continuous view area.

13. A display module, comprising a display panel and a lens layer on a light-exiting side of the display panel, wherein the display panel comprises an array substrate and a color film substrate,
the array substrate is provided with a plurality of pixel islands arranged in an array, and each of the pixel islands comprises a plurality of sub-pixels arranged in a first direction,
the color film substrate comprises a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each of the pixel islands corresponds to one of the color filter elements; and
wherein the lens layer comprises a plurality of cylindrical lenses arranged consecutively in the first direction, and the pixel island is arranged on a focal plane of a corresponding one of the cylindrical lenses;
wherein every m+1 of the cylindrical lenses correspond to one of the pixel islands, and at least one of the sub-pixels in the pixel island and proximate to the black matrix is configured in a black state to form a display width of the corresponding color filter element in the first direction to be m times of a display width of the black matrix, m being an integer equal to or larger than 1.

14. A display method of the display module according to claim 13 , comprising:
emitting light, by each of the pixel islands of the array substrate, wherein the light is incident in a corresponding one of the color filter elements of the color film substrate, and exits from the light-exiting side of the display panel; and
projecting the light emitted by each of the pixel islands to a human eye via the corresponding cylindrical lenses in the lens layer to form a continuous view area.

15. The display method according to claim 14 , wherein the projecting the light emitted by each of the pixel islands to the human eye via the corresponding cylindrical lenses in the lens layer to form the continuous view area comprises: projecting light emitted by sub-pixels of each pixel island to the human eye via the m+1 cylindrical lenses corresponding to the pixel island to form the continuous view area.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Li Zhongxiao
• Zhao Wenqing
• Yu Jing
• Peng Kuanjun

Classifications

• G02F1/133526 Primary

  Lenses, e.g. microlenses or Fresnel lenses · CPC title

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/133514

  Colour filters · CPC title

• G02B30/29 Primary

  characterised by the geometry of the lenticular array, e.g. slanted arrays, irregular arrays or arrays of varying shape or size · CPC title

• G02B30/27

  involving lenticular arrays · CPC title