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.

Date of Patent:
Jul. 10, 2018

Filed:

May. 08, 2013
Applicant:

Lms Co., Ltd, Pyeongtaek, KR;

Inventors:

Sung Sik Cho, Suwon, KR;

Oh Hyun Kwon, Osan, KR;

Tae Jun Lee, Osan, KR;

Woo Jong Lee, Osan, KR;

Hee Jeong Kim, Osan, KR;

Jee Hong Min, Seongnam, KR;

Young Il Kim, Seongnam, KR;

Assignee:

LMS CO., LTD, Pyeongtaek, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 5/00 (2018.01); G02B 5/02 (2006.01); G02B 5/04 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
F21V 5/005 (2013.01); G02B 5/02 (2013.01); G02B 5/0226 (2013.01); G02B 5/0231 (2013.01); G02B 5/0242 (2013.01); G02B 5/0278 (2013.01); G02B 5/045 (2013.01); G02F 2001/133607 (2013.01);
Abstract

The present invention may relate to an optical sheet unit. According to an embodiment of the present invention, disclosed is an optical sheet unit comprising: a diffusion sheet for diffusing incident light such that the light can be uniformly emitted; a prism sheet unit arranged at the position facing the diffusion sheet to concentrate the light incident from the diffusion sheet; and a bonding layer formed between the prism sheet unit and the diffusion sheet to bond the entire surfaces of the prism sheet unit and the diffusion sheet facing each other.


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