Light unit for display device
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United States of America Patent
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N/A
Issued Date -
Oct 21, 2004
app pub date -
Jun 16, 2003
filing date -
Apr 18, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed is a light unit used for backlighting a display device such as an LCD panel, which emits perpendicularly-directed white surface light by using lateral monochromatic light. The light unit of the invention comprises: a monochromatic light source for emitting monochromatic light; a light guide plate placed at the side of the monochromatic light source, and having a hologram pattern formed on at least one of front and rear faces oriented perpendicular to incident light introduced from the monochromatic light source for emitting light in a direction substantially perpendicular to the incidence direction of light; and a fluorescent layer applied on the front face of the light guide plate for converting perpendicularly-directed emitted light into white light.
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Cited Art Landscape
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