Image display device

Details Image display device Image display device

2006-03-14

2006-03-14

Vo, Tuyet (Department: 2821)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000, C345S080000, C345S206000, C345S210000, C345S690000, C315S169100, C315S169300

Reexamination Certificate

active

07012586

ABSTRACT:
The present invention provides an image display device that reduces variations in brightness of the light emitting elements included in the device due to a voltage drop on the power source line of the device and TFT threshold voltage variations and displays good quality images. The image display device is equipped with a pixel circuit voltage detecting means to selectively output a voltage internal to a pixel circuit included in each of a plurality of pixels of the device to a signal line to which the pixel circuit connects. Its drive circuit is equipped with a voltage addition means to add the signal line voltage and a signal voltage corresponding to image data to be displayed and output a sum voltage to the signal line again.

REFERENCES:
patent: 6323851 (2001-11-01), Nakanishi
patent: 6480189 (2002-11-01), Ide
patent: 2003/0184538 (2003-10-01), Yamamoto et al.
patent: 2004/0080473 (2004-04-01), Higuma et al.
patent: 2005/0007328 (2005-01-01), Yamazaki et al.
patent: 2005/0062691 (2005-03-01), Tamura et al.
patent: 2005/0068270 (2005-03-01), Awakura et al.
patent: 2000-56847 (1998-08-01), None
patent: 2000-056847 (2000-02-01), None

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