Illumination device
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United States of America Patent
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Dec 6, 2016
Grant Date -
Mar 7, 2013
app pub date -
Jun 2, 2011
filing date -
Jun 4, 2010
priority date (Note) -
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Abstract
An object is to provide an illumination device in which uneven light emission that a user may perceive is suppressed. To achieve the object, an illumination device is adopted that includes a power feeding portion and a surface light emitter including a light-emitting surface configured to emit light in accordance with a voltage applied by the power feeding portion and to cause light emission in the shape of a surface. The surface light emitter generates a spatially periodic luminance variation having a substantially constant amplitude.
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