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:
Sep. 02, 2014
Filed:
Nov. 26, 2007
Applicants:
Chul Goo Chi, Gyeonggi-do, KR;
Sung Hyun Joo, Gyeonggi-do, KR;
O Yong Jeong, Gyeonggi-do, KR;
Jae Han Kim, Gyeonggi-do, KR;
Man Suk Kim, Gyeonggi-do, KR;
Inventors:
Chul Goo Chi, Gyeonggi-do, KR;
Sung Hyun Joo, Gyeonggi-do, KR;
O Yong Jeong, Gyeonggi-do, KR;
Jae Han Kim, Gyeonggi-do, KR;
Man Suk Kim, Gyeonggi-do, KR;
Assignee:
Cheil Industries, Inc., Gumi-si, Kyeongsangbuk-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is a light guide panel for a backlight unit of a liquid crystal display (LCD). The light guide panel enables adjustment in viewing angle and brightness at a specific position and angle by controlling a cross-sectional shape of front prisms of the light guide panel.