LAMP UNIT AND LIGHT DEFLECTING DEVICE
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
Apr 29, 2014
filing date -
May 7, 2013
priority date (Note) -
Abandoned
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Abstract
A light deflecting device includes a micro-mirror array and a transparent cover member arranged in front of a micro-mirror array reflective surface. Each of a plurality of mirror elements of the micro-mirror array is selectively switched between a first reflecting position in which the mirror element reflects light such that the reflected light is effectively used as part of a predetermined light distribution pattern, and a second reflecting position in which the mirror element reflects light such that the reflected light is not effectively used. The cover member is configured such that a second angle formed between a mirror element reflective surface when the mirror element is in the second reflecting position and a cover member surface is smaller than a first angle formed between the mirror element reflective surface when the mirror element is in the first reflecting position and the cover member surface.
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