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. 25, 2012
Filed:
Jun. 08, 2010
Tien-pao Chen, Miao-Li Hsien, TW;
Chih-ming Lai, Miao-Li Hsien, TW;
Tien-Pao Chen, Miao-Li Hsien, TW;
Chih-Ming Lai, Miao-Li Hsien, TW;
Foxsemicon Integrated Technology, Inc., Chu-Nan, Miao-Li Hsien, TW;
Abstract
A lens applied to a light emitting element includes a first surface profile and a second surface profile opposite to the first surface profile. The first surface profile defines a first trench facing the light emitting element, and the first trench includes a bottom curved surface serving as a light incident surface. The second surface profile includes a top curved surface, and serves as a light emitting surface. Both the bottom and the top curved surfaces are mirror symmetric to the first suppositional plane P(X=0), and mirror asymmetric to the second suppositional plane P(Y=0) to cooperatively adjust light from the light emitting element to obtain an asymmetric light field. An illumination device having the lens is further provided.