RESIN OPTICAL MEMBER AND AUTOMOTIVE LAMP
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United States of America Patent
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app pub date -
Jan 28, 2015
filing date -
Aug 2, 2012
priority date (Note) -
Abandoned
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Abstract
A resin optical member allows light to pass therethrough. The resin optical member includes a fine asperity portion formed with fine asperity structure and a flat portion not formed with fine asperity structure. The fine asperity structure include concavities or convexities formed at a pitch equal to or less than a wavelength of visible light. The fine asperity structure includes concavities or convexities having a height 37 nm or more.
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