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. 13, 2014
Filed:
May. 19, 2011
Sheng-shin Guo, Wufeng Township, Taichung County, TW;
Chih-hsuan Sun, Kaohsiung, TW;
Tien-ming Lin, Hsinchu, TW;
Wei-yu Yeh, Tainan, TW;
Sheng-Shin Guo, Wufeng Township, Taichung County, TW;
Chih-Hsuan Sun, Kaohsiung, TW;
Tien-Ming Lin, Hsinchu, TW;
Wei-Yu Yeh, Tainan, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Abstract
The present disclosure involves an LED lamp. The LED lamp includes a plurality of light-emitting diode (LED) light sources located on a substrate. At least a subset of the LED light sources is free of a phosphor coating. The LED lamp includes a multi-layered cap structure located over at least the subset of the LED light sources. The cap structure contains a phosphor material and a diffuser material. The cap structure is physically separated from the subset of the LED light sources by a gap. The LED lamp includes a cover structure positioned over and surrounding the LED light sources and the cap structure.