Invention Grant
- Patent Title: Optical sheet and backlight unit using the same
- Patent Title (中): 光学片和背光单元使用相同
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Application No.: US12626263Application Date: 2009-11-25
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Publication No.: US07824090B2Publication Date: 2010-11-02
- Inventor: Man Hoan Lee , Won Taek Moon , Jae Hyun Park
- Applicant: Man Hoan Lee , Won Taek Moon , Jae Hyun Park
- 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: KR2005-0134412 20051229
- Main IPC: F21V7/04
- IPC: F21V7/04
Abstract:
An optical sheet and a backlight unit using the same are disclosed, in which deviation of a viewing angle is minimized to improve picture quality. The optical sheet includes a diffusion sheet provided with a plurality of diffusion patterns diffusing incident light in at least two directions to allow the incident light to have different strengths.
Public/Granted literature
- US20100067255A1 OPTICAL SHEET AND BACKLIGHT UNIT USING THE SAME Public/Granted day:2010-03-18
Information query
