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. 18, 2012
Filed:
Mar. 24, 2009
Byung-yun Joo, Seoul, KR;
Jin-sung Choi, Yongin-si, KR;
Sang-hoon Lee, Cheonan-si, KR;
Min-young Song, Seoul, KR;
Dong-kwan Kim, Seoul, KR;
Byung-Yun Joo, Seoul, KR;
Jin-Sung Choi, Yongin-si, KR;
Sang-Hoon Lee, Cheonan-si, KR;
Min-Young Song, Seoul, KR;
Dong-Kwan Kim, Seoul, KR;
Samsung Display Co., Ltd., , KR;
Abstract
A display apparatus includes a display panel and a backlight unit for an embodiment. The display panel includes a plurality of pixels and the backlight unit supplies light to the display panel. The backlight unit includes a light source, which generates the light, and an optical sheet. The optical sheet includes a plurality of prism patterns formed on a surface of the optical sheet facing the display panel. The prism patterns include a plurality of peaks and a plurality of valleys to change the path of the light, and a plurality of diffusion patterns arranged at the peaks and valleys.