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:
Aug. 05, 2008
Filed:
Dec. 22, 2005
Man Hoan Lee, Kumi-shi, KR;
Jae Kyung Kang, Gumi-si, KR;
Ji Su Yoon, Seoul, KR;
Sung Keun Lee, Kumi-shi, KR;
Won Taek Moon, Seoul, KR;
Man Hoan Lee, Kumi-shi, KR;
Jae Kyung Kang, Gumi-si, KR;
Ji Su Yoon, Seoul, KR;
Sung Keun Lee, Kumi-shi, KR;
Won Taek Moon, Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A prism sheet capable of achieving an enhancement in light efficiency and viewing angle characteristics and a backlight unit using the prism sheet are disclosed. The prism sheet includes: a condensing film which transmits light incident to the condensing film; a plurality of prism crests on the condensing film having apexes; and a plurality of reflection patterns formed on the condensing film such that each of the reflection patterns faces a boundary of adjacent prism crests associated with the reflection pattern to reflect light incident onto the reflection patterns.