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:
Jun. 17, 2014
Filed:
Aug. 04, 2010
Applicants:
Chang Yul Moon, Suwon-si, KR;
Young Hun Jeong, Paju-si, KR;
Sun Woong Kim, Paju-si, KR;
Inventors:
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diffusion sheet adapted to minimize brightness difference between lights progressing in its oblique directions is discussed. The diffusion sheet according to an embodiment includes: a base film; a first diffusion material layer formed on an upper surface of the base film and configured to have a haze range of about 10˜40%; and a second diffusion material layer formed on a lower surface of the base film.