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Title:
A lighting installation and a projector
Document Type and Number:
Japanese Patent JP6155684
Kind Code:
B2
Abstract:
An illumination device includes a light source device which has a plurality of light emission regions including a first light emission region and a second light emission region, and is able to adjust the amount of light emitted from each of the plurality of light emission regions, a light source control device which controls the light source device such that, in a first period, the amount of light emitted from the first light emission region is different from the amount of light emitted from other light emission regions among the plurality of light emission regions, and in a second period, the amount of light emitted from the second light emission region is different from the amount of light emitted from the second light emission region in the first period, and an illumination optical system which superimposes light from the plurality of light emission regions in an illumination region.

Inventors:
Junichi Okamoto
Akira Egawa
Application Number:
JP2013028285A
Publication Date:
July 05, 2017
Filing Date:
February 15, 2013
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
G03B21/14; F21S2/00; G02B27/48; G03B21/00; H04N5/74
Domestic Patent References:
JP2009531731A
JP2011227468A
JP2013015762A
JP2010231184A
JP5346578A
JP2009146941A
Attorney, Agent or Firm:
Masatake Shiga
Yoshifumi Saeki
Kazunori Onami
Masayu Horiuchi