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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.:

US 10088127 B1

PDFFull Text
Date of Patent:
Oct. 02, 2018

Filed:

Dec. 14, 2012

Member for controlling luminous flux, method for fabricating the member, and display device having the member

Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Gi Seok Lee, Seoul, KR;

Eun Sung Seo, Seoul, KR;

Hyun Ho Choi, Seoul, KR;

Chang Hyuck Lee, Seoul, KR;

Ki Cheol Kim, Seoul, KR;

Assignee:

LG INNOTEK CO., LTD., Seoul, KR;

Attorney:

Ked & Associates, LLP

Primary Examiner:

Bryon T Gyllstrom

Int. Cl.
CPC ...
F21V 7/00 (2006.01); F21V 13/04 (2006.01); H01L 33/50 (2010.01); H01L 33/60 (2010.01); G02F 1/1335 (2006.01); G02B 19/00 (2006.01); H01L 33/54 (2010.01); F21V 5/00 (2018.01); F21V 5/04 (2006.01); F21V 7/04 (2006.01); F21V 7/09 (2006.01); F21V 13/02 (2006.01); F21V 23/00 (2015.01); F21K 9/64 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 13/04 (2013.01); F21K 9/64 (2016.08); F21V 5/002 (2013.01); F21V 5/008 (2013.01); F21V 5/046 (2013.01); F21V 7/0008 (2013.01); F21V 7/0066 (2013.01); F21V 7/045 (2013.01); F21V 7/09 (2013.01); F21V 13/02 (2013.01); F21V 23/005 (2013.01); G02B 19/0014 (2013.01); G02B 19/0061 (2013.01); G02F 1/133603 (2013.01); H01L 33/505 (2013.01); H01L 33/54 (2013.01); H01L 33/60 (2013.01); F21Y 2115/10 (2016.08); H01L 2933/005 (2013.01); H01L 2933/0041 (2013.01); H01L 2933/0091 (2013.01);
Abstract

A member for controlling luminous flux according to an exemplary embodiment of the present invention includes an optical path changing unit embedded in a matrix and including scattering particles scattering incident light, and an optical direction adjustment unit including a coupling surface attached to the optical path changing unit to receive the light scattered from the optical path changing unit, and a refractive surface refracting the received light and emitting the refracted light, whereby an optical diffusion performance of the member for controlling luminous flux according to an exemplary embodiment of the present invention can enhance an optical diffusion performance.

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