Invention Grant
- Patent Title: Backlight unit and liquid crystal display device having first and second diffusion layers that have different haze values
- Patent Title (中): 背光单元和具有不同雾度值的第一和第二扩散层的液晶显示装置
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Application No.: US12230314Application Date: 2008-08-27
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Publication No.: US07973879B2Publication Date: 2011-07-05
- Inventor: Min-Joo Kim
- Applicant: Min-Joo Kim
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR10-2007-0086654 20070828
- Main IPC: G02F1/1335
- IPC: G02F1/1335 ; G09F13/04
Abstract:
A backlight unit for a liquid crystal display device includes a reflection sheet, at least one lamp arranged over the reflection sheet, a diffuser plate over the at least one lamp, the diffuser plate including a base plate of a transparent material, a diffusion layer at a first surface of the base plate facing the at least one lamp, and a light concentrating layer at a second surface of the base plate opposite to the first surface and formed of a same material as the base plate, and optical sheets over the diffuser plate.
Public/Granted literature
- US20090059124A1 Backlight unit and liquid crystal display device including the same Public/Granted day:2009-03-05
Information query
IPC分类:
