Apparatus for driving discharge display panel using dual...

Details Apparatus for driving discharge display panel using dual... Apparatus for driving discharge display panel using dual...

2005-04-13

2008-11-18

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S072000

Reexamination Certificate

active

07453476

ABSTRACT:
An apparatus for driving a discharge display panel using dual subfield coding, which can prevent a gradient low discharge effect due to an address discharge failure by performing a subfield gradient weight design, by which a subfield gradient has a plurality of redundancies in all gradients except gradients having the lowest gradient weight and the highest gradient weight, and a dynamic dual subfield coding. The apparatus divides an image signal into frame units, obtains an input gradient of a frame from the image signal, performs a time division gradient display on the discharge display panel according to the input gradient by dividing the frame into a plurality of subfields having respective gradient weights, and has at least two subfields having a least gradient weight.

REFERENCES:
patent: 5541618 (1996-07-01), Shinoda
patent: 11-175025 (1999-07-01), None
patent: 1999-194742 (1999-07-01), None
patent: 10-2001-0020046 (2001-03-01), None
patent: 2002-0089521 (2002-11-01), None

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