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Patent Searching and Data


Title:
DISPLAY DEVICE AND VIDEO SIGNAL CORRECTING DEVICE
Document Type and Number:
Japanese Patent JP2002123209
Kind Code:
A
Abstract:

To obtain a video free of flicker and luminance inclination and also to obtain a video free of horizontal cross talk in a display device.

A video display part 101 is provided with plural pixel electrodes 108 which are arranged in a matrix shape, switching elements 107 which are connected to these electrodes 108, scanning electrodes 104 and video signal electrodes 105. The video signal correcting part 109 generates a video signal posterior to correction 114 by adding an input video signal 112 and a correction signal 113 which is to be produced by performing arithmetic processing based on the signal 112 and the video signal posterior to correction 114 is applied to the video signal electrodes 105. Moreover, the part 119 produces a correction signal 113 which is to be applied to a certain video signal electrode 105 at the time of selecting a certain scanning line by performing arithmetic processing based on the input video signal 112 which is to be applied to other video signal electrodes 105 at the time of selecting the scanning electrode 104.


Inventors:
TANAKA YUKIO
KUMAKAWA KATSUHIKO
KIMURA MASANORI
KOMORI KAZUNORI
Application Number:
JP2000316158A
Publication Date:
April 26, 2002
Filing Date:
October 17, 2000
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G02F1/133; G09G3/20; G09G3/36; (IPC1-7): G09G3/20; G02F1/133; G09G3/36
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)