Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 20, 2008
Patent Application Number
11593794
Date Filed
November 7, 2006
Patent Primary Examiner
Patent abstract
An image display device is provided in which the overall brightness of an image can be varied without adversely affecting hue and contrast. The image display device includes emitters 16 connected to a cathode electrode 15, a gate electrode 13, an anode electrode 3, transistors Tr1 and Tr2, and a capacitor 12. A voltage applied to the capacitor 12 is varied to display an image. A constant voltage is applied to the gate electrode 13 to change a time ratio Du. Thus, the overall brightness of an image can be adjusted.
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