Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takaaki Abe0
Masutaka Inoue0
Seiji Tsuchiya0
Date of Patent
May 3, 2011
0Patent Application Number
122395510
Date Filed
September 26, 2008
0Patent Primary Examiner
Patent abstract
In a projection display device which includes a light source for outputting a light and a plurality of light modulating devices for modulating the light from the light source based on an input image signal, the projection display device comprises: a plurality of light quantity adjusting devices disposed on respective incidence sides of the light modulating devices and serving to adjust the quantity of light incident on the respective light modulating devices; and a controller unit for controlling the respective light quantity adjusting devices based on the input image signal.
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