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:
Oct. 23, 2018
Filed:
Dec. 08, 2014
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventor:
Lee Im Kang, Seoul, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 3/00 (2015.01); F21V 7/00 (2006.01); F21V 5/04 (2006.01); G02B 19/00 (2006.01); F21V 13/04 (2006.01); F21Y 105/10 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 7/0033 (2013.01); F21V 5/04 (2013.01); F21V 5/046 (2013.01); F21V 7/0091 (2013.01); F21V 13/04 (2013.01); G02B 19/0028 (2013.01); G02B 19/0061 (2013.01); G02B 19/0071 (2013.01); F21Y 2105/10 (2016.08); F21Y 2115/10 (2016.08);
Abstract
The luminous flux control member includes a surface of incidence, a first optical surface formed to be recessed toward the surface of incidence and configured to reflect at least some of incident light passing through the surface of incidence, and a second optical surface formed to extend from the first optical surface and configured to reflect at least some of incident light passing through the first optical surface. The second optical surface includes a plurality of sections having different slopes.