Device and method for driving organic EL display

Details Device and method for driving organic EL display Device and method for driving organic EL display

2006-02-14

2006-02-14

Philogene, Haissa (Department: 2828)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S307000, C315S149000, C315S158000

Reexamination Certificate

active

06998794

ABSTRACT:
A device and method for driving an organic EL display is disclosed, in which the device includes a photo converter sensing an intensity of external light, and converting the sensed light to an electric signal; an A/D converter converting the electric signal of the photo converter from an analog signal to a digital signal; a comparator comparing the value of the electric signal converted to the digital signal with a preset reference value; a controller controlling at least any one of the driver and the power source according to comparison results; a driver controlling the amount of current applied to a display panel according to a control signal of the controller; and a power source controlling the intensity of voltage applied to the driver and the display panel according to the control signal of the controller.

REFERENCES:
patent: 6215462 (2001-04-01), Yamada et al.
patent: 6249270 (2001-06-01), Ito
patent: 6667580 (2003-12-01), Kim et al.
patent: 6690117 (2004-02-01), Komiya
patent: 2001/0024361 (2001-09-01), Suzuki et al.
patent: 2002/0011978 (2002-01-01), Yamazaki et al.

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