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. 27, 2014
Filed:
May. 25, 2012
Jin BO Jiang, Hong Kong, HK;
Wen Da Jiang, Hong Kong, HK;
Jin Bo Jiang, Hong Kong, HK;
Wen Da Jiang, Hong Kong, HK;
Huizhou Light Engine Limited, Huizhou, Guangdong, CN;
Abstract
This invention relates to a secondary optics for the multi-chip LED. It features in that the optics consists of a refraction collimating portion, two total internal reflection (TIR) portions, an emitting surface with a micro lens array, an edge flange and a snap lug for lens assembly. The refraction collimating portion is located on the center of the lens bottom, which has a convex aspheric surface. Around the refraction collimating portion outwards, there are two rounds of TIR prisms, featured in that at least one TIR prism has a flake polyhedral reflection surface. On top of the secondary optics, there is the emitting surface constituted with the micro lens array. The edge flange and the snap lug for lens positioning represent non operational portion and may have any shape. Related to the present invention, the LED used therewith may be a multi-chip or single-chip LED.