Backlight system and reflecting shade for same
Title：
Backlight system and reflecting shade for same
Application Number：
 200510037129
Application Date：
 2005/09/05
Announcement Date：
 2007/03/14
Pub. Date：
Publication Number：
 1928653
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G02F 1/1335
Applicant(s)：
 Tsinghua University
Inventor(s)：
Key Words：
 Backlight system, reflecting shade
Abstract：
 The backlight system comprises: multiple light sources, a reflection cover with multiple reflection units for former sources, and a light guide plate included an incidence surface and connected emergence surface as well as a bottom. Wherein, the light sources are arranged opposite to the incidence surface, and every reflection includes two opposite reflection surfaces with shape limited by a polar-coordinate equation. This invention improves brightness evenness of emergence light.
Claim：
Priority：
PCT：
LegalStatus：

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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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