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. 10, 2013
Filed:
Jan. 06, 2011
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;
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., Seoul, KR;
Abstract
Exemplary embodiments of the present invention relate to an aspherical light emitting diode (LED) lens and a light emitting device including the same. The aspherical LED lens includes a light exit plane concavely depressed near a central axis, a light entrance plane including a conical plane having a vertex located on the central axis, and a plurality of protrusions arranged on a portion of a side surface of the light exit plane. The aspherical LED lens has a radially symmetrical structure with respect to the central axis.