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. 03, 2013
Filed:
Jan. 20, 2011
Ki Cheol Yoon, Cheonan, KR;
Dong Yoon Shin, Chungcheongbuk-Do, KR;
Ji Soo Ahn, Daejeon, KR;
Sang MI Kang, Daejeon, KR;
Kil Seuk Byun, Yongin-si, KR;
Seong Joong Kim, Seongnam-si, KR;
Ki Cheol Yoon, Cheonan, KR;
Dong Yoon Shin, Chungcheongbuk-Do, KR;
Ji Soo Ahn, Daejeon, KR;
Sang Mi Kang, Daejeon, KR;
Kil Seuk Byun, Yongin-si, KR;
Seong Joong Kim, Seongnam-si, KR;
Cheil Industries, Inc., Gumi-si, Kyeongsangbuk-do, KR;
Abstract
A prism sheet, a backlight unit, and a liquid crystal display device, the prism sheet including a transparent substrate; and at least one prism on the transparent substrate, wherein a refractive index (n) and a basic angle (θ) of the at least one prism satisfies the following condition: 1≦n/sin θ≦4.