Title:
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/155665
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a light-emitting device capable of achieving color appearance that is natural, bright, clearly visible, and pleasant in a subject illuminated by the light, and is furthermore capable of achieving light that can improve the appearance of skin. The problem addressed by the present invention is solved by a light-emitting device that has a semiconductor light-emitting element, wherein the light-emitting device emits light which exhibits improved saturation on average, and in which the values of ΔC 14 and ΔC 11 of fifteen corrected Munsell chroma satisfy specific values and specific relationships.
Inventors:
ARAI MAKOTO (JP)
Application Number:
PCT/JP2018/006845
Publication Date:
August 30, 2018
Filing Date:
February 26, 2018
Export Citation:
Assignee:
CITIZEN ELECTRONICS (JP)
International Classes:
F21V9/00; C09K11/59; C09K11/64; C09K11/80; F21V7/24; F21V7/26; F21V7/28; F21V7/30; H01L33/50; F21Y115/00
Domestic Patent References:
| WO2013031942A1 | 2013-03-07 | |||
| WO2013031943A1 | 2013-03-07 | |||
| WO2015099115A1 | 2015-07-02 |
Foreign References:
| JP2015144231A | 2015-08-06 | |||
| JP2013065555A | 2013-04-11 | |||
| JP2003535477A | 2003-11-25 | |||
| JP2013058473A | 2013-03-28 | |||
| JPH11258047A | 1999-09-24 | |||
| JP2016173949A | 2016-09-29 |
Other References:
See also references of EP 3587918A4
Attorney, Agent or Firm:
SANUKI, Shinichi et al. (JP)
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