Backlight device and liquid crystal display device
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United States of America Patent
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Jan 7, 2003
Grant Date -
N/A
app pub date -
Feb 17, 1998
filing date -
Feb 18, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A backlight device including a light source for emitting light, a light guide for receiving the light from the light source and for emitting directional light having a maximum intensity in a first predetermined direction, a polarization light splitter having a planar, multi-layer structure; and a beam deflector, disposed between the light guide and the polarization light splitter, for deflecting the light from the light guide towards the polarization light splitter in a second predetermined direction substantially coinciding with a direction in which the polarization light splitter has a maximum polarization light splitting effect.
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