Surface light source panel for uniform luminance
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United States of America Patent
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Jul 20, 1999
Grant Date -
N/A
app pub date -
Nov 6, 1996
filing date -
Nov 10, 1995
priority date (Note) -
Expired
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Abstract
A panel used for a surface light source device is constituted by a transparent substrate having high light transmission properties, the transparent substrate having an end surface on which light emitted from a light source is incident, a reflecting surface for reflecting the incident light, and a light emitting surface for emitting the incident light. The end surface on which the light is incident may be formed in a concave-convex shape in the direction of its end side.
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