Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Taisuke Yamauchi0
Date of Patent
July 6, 2010
0Patent Application Number
114639480
Date Filed
August 11, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lighting device used for an image display device including a light modulator that modulates light emitted from a light source device includes: a diffractive optical element on which the light emitted from the light source device is made incident and that generates diffractive light from the light made incident thereon and lights the light modulator with the diffractive light; and a light shielding member that is arranged between the diffractive optical element and the light modulator and shields 0-th order light emitted to the light modulator.
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