Title:
COLOR WHEEL AND LASER PROJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/041803
Kind Code:
A1
Abstract:
A color wheel and a laser projection device. The laser projection device comprises a substrate and at least one fluorescent block (5). The substrate comprises a first annular part (3) and a second annular part (4); at least one fluorescent block (5) is arranged on the first annular part (3); the fluorescent block (5) is configured to be irradiated by laser and then emit fluorescent light of a corresponding pre-set wave band; the second annular part (4) comprises at least one filtering part (41); the filtering part (41) is configured to filter the fluorescent light; and an inner circumference of the second annular part (4) is not smaller than an outer circumference of the first annular part (3); or the outer circumference of the second annular part (4) is not greater than the inner circumference of the first annular part (3).
Inventors:
ZHAO FEI (CN)
Application Number:
PCT/CN2018/081178
Publication Date:
March 07, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
HISENSE CO LTD (CN)
International Classes:
G02B26/00; G03B21/20
Foreign References:
| CN205608228U | 2016-09-28 | |||
| CN106353959A | 2017-01-25 | |||
| CN105549313A | 2016-05-04 | |||
| CN205281104U | 2016-06-01 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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