Invention Grant
US07898613B2 Backlight unit and liquid crystal display device comprising light guide panel having prism patterns
有权
背光单元和包括具有棱镜图案的导光板的液晶显示装置
- Patent Title: Backlight unit and liquid crystal display device comprising light guide panel having prism patterns
- Patent Title (中): 背光单元和包括具有棱镜图案的导光板的液晶显示装置
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Application No.: US11454715Application Date: 2006-06-16
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Publication No.: US07898613B2Publication Date: 2011-03-01
- Inventor: Sang Won Jung , Ki Won Kim
- Applicant: Sang Won Jung , Ki Won Kim
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Brinks Hofer Gilson & Lione
- Priority: KR10-2005-0109704 20051116
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; F21V7/04
Abstract:
Provided is a backlight unit that increases brightness and increases uniformity of the brightness. The backlight unit includes a plurality of point light sources. A light guide panel includes a first surface that receives incident light from the point light sources. A second surface is where the lights from the point light sources cross. Prism patterns are formed on the first surface.
Public/Granted literature
- US20070109464A1 Backlight unit and liquid crystal display using the same Public/Granted day:2007-05-17
Information query
IPC分类:
