The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Jun. 24, 2016
Applicant:
Citizen Electronics Co., Ltd., Fujiyoshida, JP;
Inventor:
Hideyoshi Horie, Odawara, JP;
Assignee:
CITIZEN ELECTRONICS CO., LTD., Fujiyoshida, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); C09K 11/77 (2006.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); C09K 11/7734 (2013.01); C09K 11/7769 (2013.01); C09K 11/7774 (2013.01);
Abstract
It is an object of the present invention to improve light source efficiency of 'a light-emitting device capable of realizing a natural, vivid, highly visible and comfortable appearance of colors or an appearance of objects' already arrived at by adopting a spectral power distribution having a shape completely different from the shape of conventionally known spectral power distributions while maintaining favorable color appearance characteristics.