Invention Grant
US08976311B2 Backlight unit and liquid crystal display device having the same
有权
背光单元和具有该背光单元的液晶显示装置
- Patent Title: Backlight unit and liquid crystal display device having the same
- Patent Title (中): 背光单元和具有该背光单元的液晶显示装置
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Application No.: US12639639Application Date: 2009-12-16
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Publication No.: US08976311B2Publication Date: 2015-03-10
- Inventor: Min Joo Kim , Dong Hyeok Kim , Jin Ryun Kim
- Applicant: Min Joo Kim , Dong Hyeok Kim , Jin Ryun Kim
- Applicant Address: KR Seoul
- Assignee: LG Display Co. Ltd.
- Current Assignee: LG Display Co. Ltd.
- Current Assignee Address: KR Seoul
- Agency: Brinks Gilson & Lione
- Priority: KR10-2009-0051178 20090609
- Main IPC: G02F1/1333
- IPC: G02F1/1333 ; G02F1/1335 ; G02B3/00 ; G02B5/04
Abstract:
A backlight unit adapted to implement enhanced light efficiency and uniform brightness is disclosed. The backlight unit includes a plurality of light sources arranged at fixed intervals, a diffusion plate disposed on the plurality of light sources, prism patterns formed on one surface of the diffusion plate, and micro-lens patterns formed on the other surface of the diffusion plate. The vertex angle of each prism pattern is in a range of about 64°˜76°.
Public/Granted literature
- US20100309406A1 BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME Public/Granted day:2010-12-09
Information query
IPC分类:
