Display device and display method thereof

Patent metadata

Field	Value
Publication number	US-2022052297-A1
Application number	US-202017253962-A
Country	US
Kind code	A1
Filing date	Mar 19, 2020
Priority date	Mar 19, 2020
Publication date	Feb 17, 2022
Grant date	—

Abstract

The present disclosure provides a display device and a display method thereof. The display device includes a microlens array including a plurality of microlenses; and a display panel including a plurality of pixel islands, wherein the plurality of pixel islands are arranged in one-to-one correspondence with the plurality of microlenses, each pixel island includes a plurality of sub-pixels, light emitted by the plurality of sub-pixels of each pixel island enters a human eye through a microlens corresponding to the each pixel island and forms an image in the human eye, and regions where images formed by at least two pixel islands in the plurality of pixel islands via microlenses corresponding to the at least two pixel islands are located are connected.

First claim

1 . A display device, comprising:
a microlens array comprising a plurality of microlenses; and a display panel comprising a plurality of pixel islands, wherein the plurality of pixel islands are arranged in one-to-one correspondence with the plurality of microlenses, each of the plurality of pixel islands comprises a plurality of sub-pixels, light emitted by the plurality of sub-pixels of each of the plurality of pixel islands enters a human eye through a microlens corresponding to the each of the plurality of pixel islands and forms an image in the human eye, and regions where images formed by at least two pixel islands in the plurality of pixel islands via microlenses corresponding to the at least two pixel islands are located are connected.

2 . The display device according to claim 1 , wherein:
the plurality of pixel islands comprise a first pixel island and a second pixel island, and a first connection line between a center of the first pixel island and a center of a microlens corresponding to the first pixel island is not parallel to a second connection line between a center of the second pixel island and a center of a microlens corresponding to the second pixel island.

3 . The display device according to claim 1 , wherein:
in the plurality of pixel islands, a connection line between a center of a pixel island with a viewing angle of 0 degree and a center of a microlens corresponding to the pixel island with the viewing angle of 0 degree is perpendicular to the display panel, and a connection line between a center of a pixel island with a viewing angle other than 0 degree and a center of a microlens corresponding to the pixel island with the viewing angle other than 0 degree is not perpendicular to the display panel.

4 . The display device according to claim 2 , wherein:
a region of an image formed by a sub-pixel with a first light-emitting color in the first pixel island via the microlens corresponding to the first pixel island overlaps with a region of an image formed by a sub-pixel with a second light-emitting color in the second pixel island via the microlens corresponding to the second pixel island, wherein the first light-emitting color is different from the second light-emitting color.

5 . The display device according to claim 2 , wherein the plurality of pixel islands further comprise a third pixel island, and wherein a region of an image formed by the first pixel island via the microlens corresponding to the first pixel island overlaps with a region of an image formed by the third pixel island via a microlens corresponding to the third pixel island, and an image formed by a pixel opening region of at least one sub-pixel in the first pixel island via the microlens corresponding to the first pixel island is between images formed by pixel opening regions of adjacent sub-pixels in the third pixel island via the microlens corresponding to the third pixel island.

6 . The display device according to claim 5 , wherein:
the first pixel island comprises a first sub-pixel, the first sub-pixel comprises a first pixel opening region, the third pixel island comprises a second sub-pixel and a third sub-pixel adjacent to the second sub-pixel, the second sub-pixel comprises a second pixel opening region, the third sub-pixel comprises a third pixel opening region, and an image formed by the first pixel opening region via the microlens corresponding to the first pixel island is between images formed by the second pixel opening region and the third pixel opening region via the microlens corresponding to the third pixel island; wherein a distance between the image formed by the first pixel opening region via the microlens corresponding to the first pixel island and an image formed by the second pixel opening region via the microlens corresponding to the third pixel island is one-nth of a diameter or side length of each of the plurality of sub-pixels, and a diameter or side length of an opening region of each of the plurality of sub-pixels is one-nth of the diameter or side length of each of the plurality of sub-pixels, where n is a multiple of display resolution desired to be improved.

7 . The display device according to claim 1 , wherein a projection of each microlens in at least a part of the plurality of microlenses on the display panel at least partially overlaps with a pixel island corresponding to the each microlens.

8 . The display device according to claim 1 , wherein each of the plurality of pixel islands is at a focal point of the microlens corresponding to the each of the plurality of pixel islands.

9 . The display device of claim 1 , wherein the plurality of sub-pixels in each of the plurality of pixel islands have a same light-emitting color.

10 . The display device of claim 1 , wherein the plurality of sub-pixels in each of the plurality of pixel islands comprise a red sub-pixel, a green sub-pixel, and a blue sub-pixel.

11 . The display device according to claim 1 , wherein the plurality of pixel islands have a same arrangement manner of sub-pixel array.

12 . The display device according to claim 1 , wherein the microlens array further comprises a transparent substrate, wherein the plurality of microlenses are on the transparent substrate, and the display panel is on a side of the transparent substrate away from the plurality of microlenses.

13 . The display device according to claim 12 , wherein the display panel further comprises a base structure layer, wherein the plurality of pixel islands are on the base structure layer, and the plurality of pixel islands are between the base structure layer and the transparent substrate.

14 . The display device according to claim 1 , wherein a diameter of each of the plurality of microlenses ranges from 0.1 millimeter to 3 millimeters.

15 . The display device according to claim 1 , wherein axial directions of the plurality of microlenses converge in a same region, and an area of the same region is equal to an area of a pupil.

16 . The display device according to claim 1 , wherein a gap is provided between adjacent microlenses.

17 . The display device according to claim 1 , wherein the display device is a virtual reality device, an augmented reality device or a mixed reality device.

18 . A display method for a display device, the display device comprising a microlens array comprising a plurality of microlenses, and a display panel comprising a plurality of pixel islands, wherein the plurality of pixel islands are arranged in one-to-one correspondence with the plurality of microlenses, each of the plurality of pixel islands comprises a plurality of sub-pixels, light emitted by the plurality of sub-pixels of each of the plurality of pixel islands enters a human eye through a microlens corresponding to the each of the plurality of pixel islands and forms an image in the human eye, and regions where images formed by at least two pixel islands in the plurality of pixel islands via microlenses corresponding to the at least two pixel islands are located are connected,
the display method comprising: receiving at least two groups of sub-pixel data by the at least two pixel islands, wherein the at least two pixel islands are in one-to-one correspondence to the at least two groups of sub-pixel data; displaying at least two screens according to the at least two groups of sub-pixel data by the at least two pixel islands; and mosaicing visually the at least two screens.

19 . The display method according to claim 18 , wherein the plurality of pixel islands comprise a first pixel isla

Assignees

• Boe Technology Group Co Ltd

Inventors

• Wang Wei
• Yan Meng
• Ling Qiuyu
• Meng Xiandong
• Xue Gaolei
• Chen Xiaochuan
• Dong Xue

Classifications

• H10K59/879

  comprising refractive means, e.g. lenses · CPC title

• H10K50/858

  comprising refractive means, e.g. lenses · CPC title

• G02B27/017 Primary

  Head mounted · CPC title

• G02B3/0056

  arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses (G02B3/0043 takes precedence; miniaturised objectives for electronic devices employing wafer level optics G02B13/0085) · CPC title

• H01L27/3267

  Electricity · mapped topic