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:
May. 24, 2011
Filed:
Dec. 19, 2008
Jigon Kim, Gyeonggi-do, KR;
Jeongmin Moon, Gyeonggi-do, KR;
Gibin Kim, Gyeonggi-do, KR;
Gilwon Han, Seoul, KR;
Jigeun Nam, Seoul, KR;
Chounsung Kang, Kyungnam, KR;
Jigon Kim, Gyeonggi-do, KR;
Jeongmin Moon, Gyeonggi-do, KR;
Gibin Kim, Gyeonggi-do, KR;
Gilwon Han, Seoul, KR;
Jigeun Nam, Seoul, KR;
Chounsung Kang, Kyungnam, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
A backlight unit is disclosed. The backlight unit includes a light source unit generating light, a beam profile changer at the side of the light source unit, a reflective plate under the beam profile changer, and an optical film positioned on the beam profile changer and the reflective plate. The beam profile changer includes an incident surface facing the light source unit and an emitting surface positioned in a direction parallel to the incident surface. The reflective plate includes a first reflective surface having a first reflective area and a second reflective surface having a second reflective area. The second reflective surface is inclined from an end of the first reflective surface to an upward direction.