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:
Mar. 25, 2008
Filed:
Mar. 03, 2004
Jeong-hwan Lee, Suwon-si, KR;
Byung-woong Han, Incheon, KR;
Jong-dae Park, Seoul, KR;
Dong-hoon Kim, Suwon-si, KR;
Ming-gyu Kim, Seoul, KR;
Jeong-hwan Lee, Suwon-si, KR;
Byung-woong Han, Incheon, KR;
Jong-dae Park, Seoul, KR;
Dong-hoon Kim, Suwon-si, KR;
Ming-gyu Kim, Seoul, KR;
Abstract
The present invention relates to an optical sheet and an LCD apparatus using the same. An LCD apparatus according to the present invention comprises an LCD panel to display a picture thereon; a lamp unit emitting light; a light guide plate to guide the light from the lamp unit toward the LCD panel evenly; an optical sheet provided between the LCD panel and the light guide plate and including a condensing layer condensing the light from the light guide plate on the LCD panel, and a reflective polarizing layer attached to the surface of the condensing layer facing the LCD panel and selectively transmitting and reflecting the light condensed by the condensing layer. With this configuration, the present invention provides an optical sheet and an LCD apparatus using the same, in which a bright-line is decreased, brightness are enhanced, and the optical sheet is prevented from shrinking.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile