Title:
PROJECTION LIGHT SOURCE AND PROJECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/185768
Kind Code:
A1
Abstract:
A projection light source (10) and a projection apparatus. A second light-emitting region (Q2) and a third light-emitting region (Q3) of a laser (101) in the projection light source (10) are located on the same side of a first light-emitting region (Q1) in a first direction, and are sequentially arranged in a second direction; a part of a region, located away from the third light-emitting region (Q3), in the second light-emitting region (Q2) is a second sub-region, and a part of a region, located at the same end, in the first light-emitting region (Q1) is a first sub-region; and a light-adjusting lens group (102) is used to adjust laser light emitted by the first sub-region and laser light emitted by the second sub-region to respectively radiate, from one side of the third light-emitting region (Q3) that is away from the second light-emitting region (Q2), to a first light-combining lens (103) and a second light-combining lens (104), the first light-combining lens (103) and the second light-combining lens (104) both being used to emit the incident laser light in the first direction.
Inventors:
LI WEI (CN)
GU XIAOQIANG (CN)
TIAN YOULIANG (CN)
GU XIAOQIANG (CN)
TIAN YOULIANG (CN)
Application Number:
PCT/CN2023/084181
Publication Date:
October 05, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
HISENSE LASER DISPLAY CO LTD (CN)
International Classes:
G02B27/14; G03B21/20; G02B27/10; H04N9/31
Foreign References:
| CN114594610A | 2022-06-07 | |||
| CN115343904A | 2022-11-15 | |||
| CN114527578A | 2022-05-24 | |||
| CN218350698U | 2023-01-20 | |||
| CN113448159A | 2021-09-28 | |||
| CN113433781A | 2021-09-24 | |||
| US20070297061A1 | 2007-12-27 | |||
| US20090251783A1 | 2009-10-08 |
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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