Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Young-chol Lee0
Date of Patent
January 16, 2007
Patent Application Number
10825675
Date Filed
April 16, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
An illumination unit for a projection image display. The illumination unit includes a light source, an integrator which converts light emitted from the light source to have uniform optical intensity, and an aspect ratio conversion unit which transmits light emitted from the integrator that does not correspond to an aspect ratio of image information back to the integrator, and converts and emits incident light to correspond to the aspect ratio of the image information.
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