Planar luminescent device and planar luminescent element
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United States of America Patent
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-
Oct 20, 1998
Grant Date -
N/A
app pub date -
Feb 23, 1996
filing date -
Mar 1, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A planar luminescent device useful as a backlight for liquid crystal disp. The planar luminescent device comprises a synthetic resin sheet having at least one fold and a plurality of sheet sections foldable along this fold. A sheet holder is adapted to hold the sheet sections of the sheet, folded along the fold, in a predetermined accordion-like folded position. A reflective layer and a light emitting layer are respectively provided on the sheet sections defining opposite ends of the sheet. A light source emits light rays towards the reflective layer.
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