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:
Jul. 30, 2013
Filed:
May. 24, 2011
Ching-yi Chen, Hsinchu, TW;
Yu-sheng Tang, Qishan Township, TW;
Hao-yu Yang, Taoyuan, TW;
Hsin-hung Chen, Hsinchu, TW;
Tzu-wen Shih, Xinbei, TW;
Ching-Yi Chen, Hsinchu, TW;
Yu-Sheng Tang, Qishan Township, TW;
Hao-Yu Yang, Taoyuan, TW;
Hsin-Hung Chen, Hsinchu, TW;
Tzu-Wen Shih, Xinbei, TW;
TSMC Solid State Lighting Ltd., Hsinchu, TW;
Abstract
An LED emitter uses a molded lens with phosphor material embedded in a circumferential trench to generate a batwing beam pattern. After the lens is molded over a package substrate with connected LED dies thereon, the phosphor material is molded, injected, or dispensed into a circumferential trench. The molded lens is shaped such that a majority of the light emitted by the one or more LED dies is reflected by the top surface to the side surfaces through the phosphor material.