Cathode potential control device, self-luminous display...

Details Cathode potential control device, self-luminous display... Cathode potential control device, self-luminous display...

2011-07-26

2011-07-26

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S291000, C315S307000

Reexamination Certificate

active

07986098

ABSTRACT:
Disclosed herein is a cathode potential control device for controlling a common cathode potential applied to a self-luminous display panel adapted to drive and control the light emission status of each of the pixels by active matrix driving, the cathode potential control device including: a cathode potential determination section adapted to read a cathode potential level from a table memory according to a current panel temperature, the cathode potential level being associated with a panel temperature so as to cancel the temperature dependent characteristic of a voltage which develops between anode and cathode electrodes of a self-luminous element during light emission, the level causing a drive transistor of the self-luminous element to operate in the saturation region; and a cathode potential application section adapted to develop a cathode potential associated with the determined cathode potential level and supply the potential to a common cathode electrode of the self-luminous display panel.

REFERENCES:
patent: 2005/0068270 (2005-03-01), Awakura et al.
patent: 2003-134418 (2003-05-01), None
patent: 2003-330419 (2003-11-01), None
patent: 2006-030318 (2006-02-01), None

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