Title:
FULL SPECTRUM LED LIGHT SOURCE
Document Type and Number:
WIPO Patent Application WO/2020/015423
Kind Code:
A1
Abstract:
A full spectrum LED light source, comprising blue light chips and fluorescent powders which are excited by the blue light chips, the blue light chips comprising a first chip having a peak wavelength of 452-457nm and a second chip having a peak wavelength of 463-467nm, the fluorescent powders comprising a first green powder having a peak wavelength between 510-514nm, a second green powder having a peak wavelength between 532-537nm and a red powder having a peak wavelength between 652-658nm. The colour rendering index Ra of the LED light source is 99, the CRI is 98 or more, and the R9-R15 values are all 95 or more, such that the full spectrum LED light source is closer to natural light.
Inventors:
LIN JINTIAN (CN)
CHEN LEI (CN)
CHEN LEI (CN)
Application Number:
PCT/CN2019/084588
Publication Date:
January 23, 2020
Filing Date:
April 26, 2019
Export Citation:
Assignee:
XUYU OPTOELECTRONICS SHENZHEN CO LTD (CN)
International Classes:
H01L33/48
Foreign References:
| CN104948948A | 2015-09-30 | |||
| CN103682170A | 2014-03-26 | |||
| CN106449626A | 2017-02-22 | |||
| CN108417695A | 2018-08-17 | |||
| US20130105834A1 | 2013-05-02 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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