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Patent Searching and Data


Title:
IMAGE DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2009258223
Kind Code:
A
Abstract:

To provide an image display device capable of accurately correcting the dispersion of the luminance characteristics of a display element.

This image display device includes the plurality of display elements, and a drive circuit for driving the plurality of display elements, the drive circuit having a correction circuit for correcting, in response to a gradation, dispersion of luminance characteristics of the plurality of display elements, wherein the drive circuit outputs modulation signals such that a modulation signal for a first gradation and a modulation signal for a second gradation are of similar shape, and wherein the correction circuit corrects the first gradation using a value derived from the luminance characteristic of the display element that is measured by driving the display element with the modulation signal for the second gradation.


Inventors:
NODA GOJI
Application Number:
JP2008104646A
Publication Date:
November 05, 2009
Filing Date:
April 14, 2008
Export Citation:
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Assignee:
CANON KK
International Classes:
G09G3/22; G09G3/20
Attorney, Agent or Firm:
Keizo Nishiyama
Yuichi Uchio