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:
Dec. 29, 2015
Filed:
Oct. 18, 2011
Chih-hsuan Sun, Kaohsiung, TW;
Wei-yu Yeh, Tainan, TW;
Pei-wen Ko, Hsinchu, TW;
Hsueh-hung Fu, Hsinchu, TW;
Chih-Hsuan Sun, Kaohsiung, TW;
Wei-Yu Yeh, Tainan, TW;
Pei-Wen Ko, Hsinchu, TW;
Hsueh-Hung Fu, Hsinchu, TW;
TSMC SOLID STATE LIGHTING LTD., Hsinchu, TW;
Abstract
The present disclosure provides an illumination device. The illumination device comprises a light-emitting diode (LED) device on a substrate, a heat sink and a cap. The heat sink is thermally connected to the LED device. The cap is secured over the substrate and covering the LED device. The cap includes a coating material having diffusion and reflection characteristics, and the coating material is free of being in direct contact with the LED device. The coating material is applied on a first portion of an inner surface of the cap, but not on a second portion of the inner surface of the cap.