Light emitting device and method for manufacturing same, lighting fixture, and lighting system
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United States of America Patent
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Apr 16, 2013
Grant Date -
Feb 10, 2011
app pub date -
Mar 17, 2010
filing date -
Aug 10, 2009
priority date (Note) -
Expired
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Abstract
A light emitting device includes: a light emitting element; a substrate including a groove-like light guide extending along a first direction, emission light emitted from the light emitting element and introduced into the light guide being reflected by an inner wall surface of the light guide, spreading along the first direction, and being turned into upward light directed upward above the substrate; and a lens provided above the light guide and configured to collect the upward light and control light distribution characteristic in a plane generally perpendicular to the first direction.
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