Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate
2007-04-10
2007-04-10
Philogene, Haissa (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
C315S307000, C315S149000, C315S158000, C345S077000, C345S204000, C345S211000
Reexamination Certificate
active
11316944
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.
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European Search Report Dated Feb. 14, 2006.
Kim Hak Su
Yoon Jong Geun
Ked & Associates LLP
Philogene Haissa
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