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. 11, 2017
Filed:
Jan. 16, 2015
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Ji Young Jung, Seoul, KR;
Chang Hyuck Lee, Seoul, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/133 (2006.01); G02B 19/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13306 (2013.01); G02B 19/0028 (2013.01); G02B 19/0061 (2013.01); G02F 1/133602 (2013.01); G02F 1/133603 (2013.01); G02F 2001/133607 (2013.01); G02F 2001/133612 (2013.01);
Abstract
A luminous flux control member may include an incident surface, a first optical surface, and a second optical surface. The first optical surface may be separated from the incident surface in a direction of an optical axis and includes a concave portion recessed toward the incident surface. The second optical surface may form a side surface of the luminous flux control member. The first optical surface may include a connection portion that connects the concave portion to the second optical surface. In at least one embodiment, the connection portion may have a width ranging from 1 μm to 100 μm.