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:
Jan. 07, 2025
Filed:
Jan. 27, 2022
Kaistar Lighting (Xiamen) Co., Ltd., Xiamen, CN;
Debing Huang, Xiamen, CN;
Zhikun Shen, Xiamen, CN;
Yiqun Li, Danville, CA (US);
Gang Wang, Xiamen, CN;
Xianglong Yuan, Manteca, CA (US);
BRIDGELUX OPTOELECTRONICS (XIAMEN) CO., LTD., Xiamen, CN;
Abstract
A COB type photoelectric device is provided. The COB type photoelectric device includes: a metallic substrate including a photoelectric element fixing area; a dam disposed on the metallic substrate and surrounding the photoelectric element fixing area; first photoelectric elements disposed on the metallic substrate and in the photoelectric element fixing area; a KSF phosphor based layer disposed on the first photoelectric elements and being not in contact with the metallic substrate; and an isolation layer disposed in the dam and covering the KSF phosphor based layer. The KSF phosphor based layer includes a KSF phosphor. The COB type photoelectric device can make full use of high luminous efficiency performance of the KSF, and improve luminous efficiency of the COB type photoelectric device while maintaining stability of the KSF.