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. 14, 2014
Filed:
Oct. 31, 2011
Applicants:
Kyu-hwan Choi, Yongin-si, KR;
Hong-seok Lee, Seongnam-si, KR;
Byung-hee Sohn, Yongin-si, KR;
Yong-kweun Mun, Yongin-si, KR;
Inventors:
Kyu-hwan Choi, Yongin-si, KR;
Hong-seok Lee, Seongnam-si, KR;
Byung-hee Sohn, Yongin-si, KR;
Yong-kweun Mun, Yongin-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 7/04 (2006.01); F21V 8/00 (2006.01); G02B 27/22 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0038 (2013.01); G02B 27/22 (2013.01); G02B 6/0053 (2013.01);
Abstract
Directional light guide plates, directional surface light sources, and three-dimensional (3D) image display apparatuses employing the directional surface light sources are provided. Each of the directional light guide plates includes a plurality of viewing zone separation units having a refractive index different from that of a light guide unit, for separating light into left and right viewing zones.