Light guiding structure, display device and method of using the same

Patent metadata

Field	Value
Publication number	US-10901144-B2
Application number	US-201916532947-A
Country	US
Kind code	B2
Filing date	Aug 6, 2019
Priority date	Jan 2, 2019
Publication date	Jan 26, 2021
Grant date	Jan 26, 2021

Abstract

A light guiding structure, a display device and a method of using the same are provided. The light guiding structure includes a housing including an opening; and a first optical fiber structure, an image collection module, a second optical fiber structure, and an image compensation module in the housing. The first optical fiber structure is configured to transmit light incident into the opening to the image collection module; and the second optical fiber structure is configured to transmit an image displayed by the image compensation module to the opening. The display device includes the light guiding structure.

First claim

What is claimed is:

1. A light guiding structure, comprising:
a housing including an opening;
a first optical fiber structure, an image collection module, a second optical fiber structure, and an image compensation module in the housing;
wherein the first optical fiber structure is configured to transmit light incident into the opening to the image collection module; and
the second optical fiber structure is configured to transmit an image displayed by the image compensation module to the opening;
first optical fiber structure comprises a plurality of first optical fibers,
and the second optical fiber structure comprises a plurality of second optical fibers,
the plurality of first optical fibers including first ends near the opening and the plurality of second optical fibers including first ends near the opening,
the plurality of first optical fibers includes second ends connected to the image collection module, and the plurality of second optical fibers includes second ends connected to the image compensation member, respectively;
a first angle formed between a first end of the first optical fiber structure and a second end of the first fiber structure along their respective extending directions is not zero or 180 degrees, and a second angle formed between a first end of the second optical fiber structure and a second end of the second fiber structure along their respective extending directions is not zero or 180 degrees.

2. The light guiding structure according to claim 1 , wherein the image collection module comprises a photosensitive sensor, and the image compensation module comprises an image compensation member.

3. The light guiding structure according to claim 2 , wherein the first optical fiber structure and the second optical fiber structure are provided under the opening of the housing, and the photosensitive sensor and the image compensation member are provided under the opening of the housing at positions beyond both the first optical fiber structure and the second optical fiber structure.

4. The light guiding structure according to claim 2 , wherein the image collection module further comprises a convex lens configured to focus light transmitted by the first optical fiber structure to the photosensitive sensor.

5. The light guiding structure according to claim 3 , wherein
all of the first ends being arranged at intervals.

6. The light guiding structure according to claim 3 , wherein
the first optical fiber structure comprises a plurality of first optical fibers; and
the second optical fiber structure comprises a plurality of second optical fibers;
near the opening of the housing, the first ends of the plurality of first optical fibers surrounding one of the first ends of the plurality of second optical fibers, or the first ends of the plurality of second optical fibers surrounding one of the first ends of the plurality of first optical fibers, to form a ring arrangement; and
the second ends of the plurality of first optical fibers being connected to the photosensitive sensor, and the second ends of the plurality of second optical fibers being connected to the image compensation member.

7. The light guiding structure according to claim 3 , wherein the image collection module further comprises a convex lens configured to focus light transmitted by the first optical fiber structure to the photosensitive sensor.

8. The light guiding structure according to claim 5 , wherein the second ends of the plurality of first optical fibers are bonded to the photosensitive sensor, and the second ends of the plurality of second optical fibers are bonded to the image compensation member.

9. The light guiding structure according to claim 6 , wherein the second ends of the plurality of first optical fibers are bonded to the photosensitive sensor, and the second ends of the plurality of second optical fibers are bonded to the image compensation member.

10. The light guiding structure according to claim 9 , wherein
the plurality of first optical fibers and the plurality of second optical fibers are arranged regularly, and the first ends of the plurality of first optical fibers and the plurality of second optical fibers are split into two parts after extending out of the opening of the housing, and the two parts forming an optical fiber flange at the opening of the housing.

11. A display device, comprising:
a cover plate;
a display panel under the cover plate, the display panel including a light transmission part; and
a light guiding structure provided at a side of the display panel away from the cover plate, wherein the light guiding structure comprises:
a housing including an opening;
a first optical fiber structure, an image collection module, a second optical fiber structure, and an image compensation module in the housing;
wherein the first optical fiber structure is configured to transmit light incident into the opening to the image collection module; and
the second optical fiber structure is configured to transmit an image displayed by the image compensation module to the opening;
the first optical fiber structure comprises a plurality of first optical fibers,
the second optical fiber structure comprises a plurality of second optical fibers,
the plurality of first optical fibers including first ends near the opening and the plurality of second optical fibers including first ends near the opening,
the plurality of first optical fibers includes second ends connected to the image collection module, and the plurality of second optical fibers includes second ends connected to the image compensation member, respectively;
a first angle formed between a first end of the first optical fiber structure and a second end of the first fiber structure along their respective extending directions is not zero or 180 degrees, and a second angle formed between a first end of the second optical fiber structure and a second end of the second fiber structure along their respective extending directions is not zero or 180 degrees; and
the opening of the housing being aligned with the light transmission part.

12. The display device according to claim 11 , further comprising:
a first adhesive layer configured to adhere the cover plate to the display panel,
wherein end portions of the first optical fiber structure and the second optical fiber structure near the opening pass through the light transmission part and are bonded to the first adhesive layer.

13. The display device according to claim 12 , wherein the light transmission part includes an edge fixed to the first optical fiber structure and the second optical fiber structure by a sealant.

14. The display device according to claim 13 , further comprising a second adhesive layer, wherein a side of the housing facing the display panel is bonded to the display panel by the second adhesive layer.

15. A method of using the display device according to claim 11 , comprising:
acquiring an external environment image by the first optical fiber structure, and transmitting light incident into the light transmission part of the display device to the image collection module; and
transmitting an image displayed by the image compensation module to the light transmission part of the display device by the second optical fiber structure.

16. The method according to claim 11 , further comprising applying a second adhesive layer to allow a side of the housing facing the display panel to be attached to the display panel by the second adhesive layer.

17. The method according to claim 12 , further comprising applying a second adhesive

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Li Fei
• Feng Binfeng
• Li Qifeng
• Luo Yonghui
• Wang Chao
• Liu Ying
• Zhao Hairui
• Chen Yupeng

Classifications

• G02B6/04 Primary

  formed by bundles of fibres (G02B6/24 takes precedence) · CPC title

• G02B6/32

  having lens focusing means {positioned between opposed fibre ends (with lens being an integral part of the single fibre end G02B6/262)} · CPC title

• G02B6/0095

  Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like · CPC title

• G02B6/12004

  Combinations of two or more optical elements · CPC title

• G02B6/0088 Primary

  of the light guide or other optical sheets in the package · CPC title