Title:
LIGHTING DEVICE AND OPTICAL DEVICE HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2021/008021
Kind Code:
A1
Abstract:
A lighting device(100) may include a first board(1); a plurality of light-source-pairs disposed on the first board(1), each light-source-pair includes two light sources(2), wherein each light source(2) of a light-source-pair includes at least two types of light-emitting chips(3) for emitting different wavelengths of light, and every two light-emitting chips(3) of a same type in the two light sources(2) of a light-source-pair are centrally symmetric about a center of the two light sources(2); and one or more lenses(4) configured to mix light emitted from the plurality of light-source-pairs to form a light-spot.
Inventors:
XU YINHUI (CN)
DING NAIYING (CN)
DING NAIYING (CN)
Application Number:
PCT/CN2019/116608
Publication Date:
January 21, 2021
Filing Date:
November 08, 2019
Export Citation:
Assignee:
ZHEJIANG DAHUA TECHNOLOGY CO (CN)
International Classes:
F21V5/04; F21K9/20; F21V9/40
Foreign References:
| CN101514804A | 2009-08-26 | |||
| CN101153992A | 2008-04-02 | |||
| CN206191344U | 2017-05-24 | |||
| CN103574501A | 2014-02-12 | |||
| US20100061087A1 | 2010-03-11 |
Other References:
See also references of EP 3980681A4
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
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