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:
Mar. 22, 2022
Filed:
Jul. 27, 2020
Applicants:
Taiwan Applied Crystal Co., Ltd., Kaohsiung, TW;
National Sun Yat-sen University, Kaohsiung, TW;
Inventors:
Tsung-Xian Lee, Taoyuan, TW;
Chu-An Lee, Kaohsiung, TW;
Wei-Chang Lin, Kaohsiung, TW;
Ming-Chi Chou, Kaohsiung, TW;
Assignees:
TAIWAN APPLIED CRYSTAL CO., LTD., Kaohsiung, TW;
NATIONAL SUN YAT-SEN UNIVERSITY, Kaohsiung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); H01L 33/10 (2010.01); H01L 33/26 (2010.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); H01L 33/10 (2013.01); H01L 33/26 (2013.01);
Abstract
A light-emitting device includes a composite structure having a phosphor crystal sheet and phosphor crystal powders on the phosphor crystal sheet. A light-emitting unit of the device is disposed under a side of the phosphor crystal sheet that is opposite to a side of the phosphor crystal powders. A problem of blue-enriched white light may be tackled.