Illumination apparatus, pattern irradiation device, and system
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Oct 9, 2015
filing date -
Oct 17, 2014
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Abstract
An illumination apparatus includes: a light emitting unit that outputs light; a light condensing unit that condenses the light output from the light emitting unit; a diffusion unit that diffuses the light condensed by the light condensing unit; and a uniformizing optical system that receives the light diffused by the diffusion unit, uniformizes a brightness distribution thereof compared with that of the light being received, and outputs the resulting light.
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