Large area light panel and screen
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 14, 2013
Grant Date -
Sep 13, 2012
app pub date -
May 23, 2012
filing date -
Jan 13, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Embodiments of a panel lighting apparatus and methods of its manufacture are described. In one embodiment, the apparatus can include a light source, an at least partially transparent panel comprising a planar front surface and a planar back surface, the panel disposed in conjunction with the light source such that light from the light source is input into at least one edge of the panel and guided therein, and a plurality of light extraction dots disposed on the planar back surface, the plurality of light extraction dots configured to reflect light incident on the planar back surface and extract light from the light source propagating in the panel through the planar front surface.
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Cited Art Landscape
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