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:
Nov. 25, 2014
Filed:
Sep. 16, 2009
Jeong-min Seo, Sungnam-si, KR;
Jee-hong Min, Sungnam-si, KR;
Young-chan Kim, Suwon-si, KR;
Moon-gyu Lee, Suwon-si, KR;
Kyu-seok Kim, Yongin-si, KR;
Jeong-Min Seo, Sungnam-si, KR;
Jee-Hong Min, Sungnam-si, KR;
Young-Chan Kim, Suwon-si, KR;
Moon-Gyu Lee, Suwon-si, KR;
Kyu-Seok Kim, Yongin-si, KR;
Samsung Display Co., Ltd., , KR;
Abstract
A liquid crystal display device has brightness uniformity at its front and lateral sides. The liquid crystal display device includes a reflection sheet reflecting light; an optical plate including a substrate for guiding light, a height-varying portion formed on one surface of the substrate, not facing the reflection sheet, and a prism pattern formed on the height-varying portion; and a plurality of light sources arranged on one lateral surface of the optical plate in a first direction so as to correspond to a position of the height-varying portion having a height not greater than an average height from the one surface of the substrate to the height-varying portion. The prism pattern extends in a second direction substantially perpendicular to the first direction. The average height is in a range of about 0.1% to about 10% of the thickness of the substrate.