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:
Jan. 13, 2015

Filed:

Feb. 15, 2013
Applicant:

Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;

Inventors:

Chul Shin, Busan, KR;

Sungmu Kim, Ansan-si, KR;

Geun-kyu Song, Cheonan-si, KR;

Myung-Ho Won, Seoul, KR;

Seok-Kun Yoon, Seoul, KR;

Sang-Won Lee, Asan-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G06K 19/06 (2006.01); F21V 8/00 (2006.01); G09F 13/04 (2006.01); G09F 13/18 (2006.01);
U.S. Cl.
CPC ...
G06K 19/06 (2013.01); G02B 6/0051 (2013.01); G09F 13/04 (2013.01); G09F 13/18 (2013.01);
Abstract

A set of optical sheets may perform at least one of diffusion, refraction, and condensation of light. The set of optical sheets may include a first optical sheet that includes a first base film and a first distinction unit disposed outside the first base film. The set of optical sheets may further include a second optical sheet that includes a second base film and a second distinction unit disposed outside the second base film. The second distinction unit may be spaced from the first distinction unit in a plan view of the set of optical sheets if the second base film complete overlaps the first base film.


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