Invention Grant
US08823632B2 Light guide panel comprising symmetric front prism and asymmetric front prism for back light unit of LCD
有权
导光板包括对称前棱镜和液晶显示器背光单元的不对称前棱镜
- Patent Title: Light guide panel comprising symmetric front prism and asymmetric front prism for back light unit of LCD
- Patent Title (中): 导光板包括对称前棱镜和液晶显示器背光单元的不对称前棱镜
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Application No.: US12452010Application Date: 2007-11-26
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Publication No.: US08823632B2Publication Date: 2014-09-02
- Inventor: Chul Goo Chi , Sung Hyun Joo , O Yong Jeong , Jae Han Kim , Man Suk Kim
- Applicant: Chul Goo Chi , Sung Hyun Joo , O Yong Jeong , Jae Han Kim , Man Suk Kim
- Applicant Address: KR Gumi-si, Kyeongsangbuk-do
- Assignee: Cheil Industries, Inc.
- Current Assignee: Cheil Industries, Inc.
- Current Assignee Address: KR Gumi-si, Kyeongsangbuk-do
- Agency: Lee & Morse, P.C.
- Priority: KR1020070057263 20070612
- International Application: PCT/KR2007/006009 WO 20071126
- International Announcement: WO2008/153254 WO 20081218
- Main IPC: G09G3/36
- IPC: G09G3/36 ; G02F1/1335
Abstract:
Disclosed herein is a light guide panel for a backlight unit of a liquid crystal display (LCD). The light guide panel enables adjustment in viewing angle and brightness at a specific position and angle by controlling a cross-sectional shape of front prisms of the light guide panel.
Public/Granted literature
- US20100134403A1 LIGHT GUIDE PANEL COMPRISING SYMMETRIC FORNT PRISM AND ASYMMETRIC FRONT PRISM FOR BACK LIGHT UNIT OF LCD Public/Granted day:2010-06-03
Information query
IPC分类:
