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:
Apr. 14, 2009
Filed:
May. 10, 2007
Ju-hwa Ha, Seoul, KR;
Jung-wook Paek, Suwon-si, KR;
Jin-sung Choi, Cheonan-si, KR;
Byung-yun Joo, Seoul, KR;
Jin-soo Kim, Seoul, KR;
Min-young Song, Seoul, KR;
Ju-hwa Ha, Seoul, KR;
Jung-wook Paek, Suwon-si, KR;
Jin-sung Choi, Cheonan-si, KR;
Byung-yun Joo, Seoul, KR;
Jin-soo Kim, Seoul, KR;
Min-young Song, Seoul, KR;
Abstract
An optical plate includes a main body plate, and a plurality of lens patterns formed on a first surface of the main body plate, wherein the lens patterns are elongated in a first direction and arranged in parallel with each other in a second direction crossing the first direction, wherein a cross section of the lens patterns form a part of an ellipse shape, the ratio of a semi-major axis to a semi-minor axis of the ellipse shape ranging from about 1.65 to about 1.75.