Light control unit, projector, and method of manufacturing light control unit
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United States of America Patent
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Sep 26, 2017
Grant Date -
Jun 18, 2015
app pub date -
Oct 30, 2014
filing date -
Dec 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A light control unit includes: a first light-shielding fin and a second light-shielding fin arranged to have a center axis of light passing therethrough interposed therebetween, and a moving device configured to move the first light-shielding fin and the second light-shielding fin so that respective end portions of the first light-shielding fin and the second light-shielding fin move in directions toward and away from each other, and the first light-shielding fin and the second light-shielding fin include: an arm moved by the moving device, and a light-shielding portion provided on the arm and configured to move with the arm to be arranged in a passage area of the light, and at least one of the first light-shielding fin and the second light-shielding fin includes an adjusting portion configured to adjust a mounting position between the arm and the light-shielding portion, the arm and the light-shielding portion being separate members.
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