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. 12, 2016
Filed:
Aug. 27, 2014
National Chiao Tung University, Hsinchu, TW;
National Chiao Tung University, Hsinchu, TW;
Abstract
A secondary optical element including a light incidence surface, a light emitting surface, and a connecting surface is provided. The light incidence surface includes a first and a second light incidence surfaces. The first light incidence surface is a curved surface recessed toward the light emitting surface. The light emitting surface is opposite to the light incidence surface and includes a first and a second light emitting surfaces. The first light emitting surface is a free-form surface recessed toward the light incidence surface or a flat surface. The second light emitting surface is a free-form surface. A diameter of the second light emitting surface is larger than a diameter of the second light incidence surface, and the connecting surface is connected between the second light incidence surface and the second light emitting surface. A light source module is also provided.