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:
May. 28, 2019
Filed:
Nov. 30, 2016
Applicant:
Chung Yuan Christian University, Taoyuan, TW;
Inventors:
Wei-Jen Liu, Taoyuan, TW;
Kuei-Ting Hsu, Taoyuan, TW;
Pin-Chun Lin, Zhubei, TW;
Ming-Hsiu Shiu, New Taipei, TW;
Assignee:
CHUNG YUAN CHRISTIAN UNIVERSITY, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C09K 11/08 (2013.01); C09K 2211/00 (2013.01);
Abstract
The present invention provides a phosphor composition and light emitting device using the same. The phosphor composition includes a first phosphor and a second phosphor, the second phosphor includesextract,extract emits lights with wavelength from 450 nm to 750 nm as it is excited by lights with wavelength from 300 nm to 480 nm. The LED device using the phosphor composition could emit warm white lights with wavelength from 400 nm to 800 nm.