Augmented reality display device

Patent metadata

Field	Value
Publication number	US-12449663-B2
Application number	US-202418430619-A
Country	US
Kind code	B2
Filing date	Feb 1, 2024
Priority date	Oct 26, 2023
Publication date	Oct 21, 2025
Grant date	Oct 21, 2025

Abstract

An augmented reality display device includes a light source, a waveguide module and a solar charging layer. The light source has a light-emitting area. The waveguide module is located on the light-emitting area of the light source and includes a first glass layer, a waveguide element, an electrochrome layer and a second glass layer. The first glass layer is located on the light-emitting area of the light source. The electrochrome layer is located on a surface of the waveguide element facing away the first glass layer. The second glass layer is located a surface of the electrochrome layer facing away the waveguide element. The solar charging layer is located on a surface of the second glass layer facing away the electrochrome layer, in which the solar charging layer electrically connects the light source and is configured to charge the light source.

First claim

What is claimed is:

1. An augmented reality display device, comprising:
a light source having a light-emitting area;
a waveguide module located on the light-emitting area of the light source and comprising:
a first glass layer located on the light-emitting area of the light source;
a waveguide element located on a surface of the first glass layer facing away the light source;
an electrochrome layer located on a surface of the waveguide element facing away the first glass layer; and
a second glass layer located a surface of the electrochrome layer facing away the waveguide element; and

a solar charging layer located on a surface of the second glass layer facing away the electrochrome layer, wherein the solar charging layer electrically connects the light source and is configured to charge the light source.

2. The augmented reality display device of claim 1 , wherein the first glass layer has a first protruding portion, and the first protruding portion is engaged to the light-emitting area of the light source.

3. The augmented reality display device of claim 1 , wherein the waveguide element comprises a light in-coupling area and a light-out-coupling area.

4. The augmented reality display device of claim 3 , wherein the waveguide element has a second protruding portion, and the light in-coupling area of the waveguide element is located in the second protruding portion.

5. The augmented reality display device of claim 4 , wherein the second protruding portion of the waveguide element overlaps with the light source.

6. The augmented reality display device of claim 1 , wherein the electrochrome layer has a third protruding portion, and the third protruding portion of the electrochrome layer overlaps with the light source.

7. The augmented reality display device of claim 1 , wherein the second glass layer has a fourth protruding portion, and the fourth protruding portion of the second glass layer overlaps with the light source.

8. The augmented reality display device of claim 1 , wherein the solar charging layer has a fifth protruding portion, and the fifth protruding portion of the solar charging layer overlaps with the light source.

9. An augmented reality display device, comprising:
a light source having a light-emitting area;
a waveguide module located on the light-emitting area of the light source and comprising:
a first glass layer located on the light-emitting area of the light source;
a waveguide element located on a surface of the first glass layer facing away the light source;
an second glass layer located on a surface of the waveguide element facing away the first glass layer; and
a electrochrome layer located a surface of the second glass layer facing away the waveguide element; and

a solar charging layer detachably located on a surface of the electrochrome layer facing away the second glass layer, wherein the solar charging layer electrically connects the light source and is configured to charge the light source.

10. The augmented reality display device of claim 9 , wherein the first glass layer has a first protruding portion, and the first protruding portion is engaged to the light-emitting area of the light source.

11. The augmented reality display device of claim 9 , wherein the waveguide element comprises a light in-coupling area and a light-out-coupling area.

12. The augmented reality display device of claim 11 , wherein the waveguide element has a second protruding portion, and the light in-coupling area of the waveguide element is located in the second protruding portion.

13. The augmented reality display device of claim 12 , wherein the second protruding portion of the waveguide element overlaps with the light source.

14. The augmented reality display device of claim 9 , wherein the second glass layer has a fourth protruding portion, and the fourth protruding portion of the second glass layer overlaps with the light source.

15. The augmented reality display device of claim 9 , wherein the solar charging layer has a fifth protruding portion, and the fifth protruding portion of the solar charging layer overlaps with the light source.

16. An augmented reality display device, comprising:
a light source having a light-emitting area;
a waveguide module located on the light-emitting area of the light source and comprising:
a first glass layer having a first protruding portion;
a waveguide element located on a surface of the first glass layer facing away the light source;
an electrochrome layer located on a surface of the waveguide element facing away the first glass layer; and
a second glass layer located a surface of the electrochrome layer facing away the waveguide element; and

a solar charging layer located on a surface of the second glass layer facing away the electrochrome layer, wherein the solar charging layer electrically connects the light source and is configured to charge the light source.

17. The augmented reality display device of claim 16 , wherein the waveguide element comprises a light in-coupling area and a light-out-coupling area.

18. The augmented reality display device of claim 17 , wherein the waveguide element has a second protruding portion, and the light in-coupling area of the waveguide element is located in the second protruding portion.

19. The augmented reality display device of claim 18 , wherein the second protruding portion of the waveguide element overlaps with the light source.

20. The augmented reality display device of claim 16 , wherein the electrochrome layer has a third protruding portion, and the third protruding portion of the electrochrome layer overlaps with the light source.

Assignees

• Interface Optoelectronics Shenzhen Co Ltd
• Interface Tech Chengdu Co Ltd
• General Interface Solution Ltd

Inventors

• Sun Bo-Jhang

Classifications

• G02B2027/0178

  Eyeglass type (eyeglass details G02C) · CPC title

• G02B27/024

  comprising a light source, e.g. for viewing photographic slides, X-ray transparancies (G02B27/023, and photographic, cine and overhead projectors G03B21/00 and subgroups) · CPC title

• G02F1/15 Primary

  based on an electrochromic effect · CPC title

• G02B6/003

  Lens or lenticular sheet or layer · CPC title

• G02B6/005

  provided by one optical element, or plurality thereof, placed on the light output side of the light guide · CPC title