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Patent Searching and Data


Title:
LIGHT SOURCE SYSTEM AND PROJECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/134266
Kind Code:
A1
Abstract:
A light source system (100) comprises: a first light source (110) comprising a first blue laser light source (111) for emitting first blue laser light, a red laser light source (112) for emitting red laser light, and a green laser light source (113) for emitting green laser light; a second light source (120) comprising a second blue laser light source (121); a wavelength conversion element (180) used to convert second blue laser light into excited light; a control device (125) used to control switches of the first blue laser light source (111), the red laser light source (112), the green laser light source (113) and the second blue laser light source (121), such that the first blue laser light, the red laser light and the green laser light are combined to form light source light, or the first blue laser light and the excited light are combined to form light source light. Also provided is a projection apparatus having the light source system (100). The light source system (100) and the projection apparatus having the light source system (100) can realize dynamic color gamut adjustment.

Inventors:
HU FEI (CN)
HOU HAIXIONG (CN)
TANG XIAOFENG (CN)
LI YI (CN)
Application Number:
PCT/CN2018/080874
Publication Date:
July 11, 2019
Filing Date:
March 28, 2018
Export Citation:
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Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
G03B21/20
Foreign References:
CN202548516U2012-11-21
CN103324014A2013-09-25
CN104166300A2014-11-26
CN105116679A2015-12-02
CN103529630A2014-01-22
CN104102082A2014-10-15
CN103189794A2013-07-03
CN106200229A2016-12-07
CN101937162A2011-01-05
CN106292142A2017-01-04
CN104865783A2015-08-26
CN103186026A2013-07-03
Other References:
See also references of EP 3736629A4
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