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:
Apr. 18, 2017
Filed:
Jun. 27, 2014
Tsmc Solid State Lighting Ltd., Hsinchu, TW;
Sheng-Shin Guo, Wufeng Township, TW;
Wei-Yu Yeh, Tainan, TW;
Chih-Hsuan Sun, Kaohsiung, TW;
Pei-Wen Ko, Zhubei, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A lighting apparatus includes a first substrate, a plurality of first light-emitting devices disposed on the first substrate, a second substrate disposed over the first substrate, and a plurality of second light-emitting devices disposed on the second substrate. A reflective surface is disposed between the first substrate and the second substrate. The reflective surface is configured to reflect light emitted by at least some of the first light-emitting devices in a direction that is at least partially toward the first substrate. The reflective surface has one of: a saw-patterned side view profile, or a curved side view profile that is free of having an inflection point.