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:
Feb. 21, 2017
Filed:
Mar. 30, 2015
Seoul Semiconductor Co., Ltd., Ansan-si, KR;
Kwang Il Park, Ansan-si, KR;
Sang Cheol Lee, Ansan-si, KR;
Jeong A Han, Ansan-si, KR;
Woong Jun Hwang, Ansan-si, KR;
Hee Tak Oh, Ansan-si, KR;
Seoul Semiconductor Co., Ltd., Ansan-si, KR;
Abstract
An aspherical lens includes a light entrance plane configured to receive light emitted from a light source and a light exit plane configured to radiate the light received by the light entrance plane. The light exit plane includes semispherical convex portions disposed on an upper surface of the aspherical lens, a concavely depressed portion comprising an overlapping region where the semispherical convex portions partially overlap each other at a central axis, a side portion connected with the semispherical convex portions, and an upper surface of each of the semispherical convex portions having a first flat portion.