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:
Dec. 28, 2010
Filed:
Jun. 19, 2008
Seok Hoon Jang, Uiwang-si, KR;
Man Suk Kim, Uiwang-si, KR;
Jun Hyeak Choi, Uiwang-si, KR;
Ju Yeol Choi, Uiwang-si, KR;
Seok Hoon Jang, Uiwang-si, KR;
Man Suk Kim, Uiwang-si, KR;
Jun Hyeak Choi, Uiwang-si, KR;
Ju Yeol Choi, Uiwang-si, KR;
Cheil Industries, Inc., Gumi-si, Gyeongsangbuk-do, KR;
Abstract
A diffuser prism sheet includes a transparent base film having a first surface and a second surface, a light refractor at the first surface of the base film, the light refractor including a plurality of unit prisms having a major axis extending in a first direction and having a predetermined cross sectional shape that defines valleys between adjacent unit prisms, and light diffusers including amorphous polygonal bosses in the valleys between adjacent unit prisms.