发明名称 |
Backlight unit and liquid crystal display having the same |
摘要 |
A backlight unit for a LCD panel includes a point light source circuit board, a plurality of point light sources mounted on the point light source circuit board, and an optical plate disposed on an upper part of the point light source and having a Fresnel lens formed on a planar surface the optical plate. Accordingly the back light unit has a good light emitting efficiency.
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申请公布号 |
US2007035679(A1) |
申请公布日期 |
2007.02.15 |
申请号 |
US20060500312 |
申请日期 |
2006.08.08 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
LEE SEUNG-JAE;JANG DONG-SEOB;YOUN SEONG-HO;KIM CHANG-JU;PARK HYE-EUN |
分类号 |
G02F1/1335;G02F1/1333 |
主分类号 |
G02F1/1335 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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