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. 25, 2012
Filed:
Sep. 14, 2009
Jun Hyeak Choi, Uiwang-si, KR;
Man Suk Kim, Uiwang-si, KR;
Ju Yeol Choi, Uiwang-si, KR;
Seok Hoon Jang, Uiwang-si, KR;
Jun Hyeak Choi, Uiwang-si, KR;
Man Suk Kim, Uiwang-si, KR;
Ju Yeol Choi, Uiwang-si, KR;
Seok Hoon Jang, Uiwang-si, KR;
Cheil Industries, Inc., Gumi-si, Gyeongsangbuk-do, KR;
Abstract
A diffuser prism sheet, an LCD back light unit including the same, and an LCD device including the same, the diffuser prism sheet including a base film made of a transparent material, and a light refracting part on a surface of the base film, the light refracting part including a plurality of unit prisms arranged in one direction, having a predetermined cross-sectional shape and valley regions between adjacent unit prisms, and light diffusing elements in the valley regions between the adjacent unit prisms.