Display panel drive device

Details Display panel drive device Display panel drive device

2007-08-21

2007-08-21

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S060000, C345S076000, C345S098000, C315S169400

Reexamination Certificate

active

10841560

ABSTRACT:
A display panel drive device capable of preventing a malfunction caused by the influence of electrical charge remaining in a display-panel discharge cell, in which, in parallel with a switching element that connects each electrode of the display panel to a reference potential, at least one of a row electrode drive circuit and a column electrode drive circuit is provided with a parallel switching element that connects each electrode to the reference potential via a current limiting element. The residual charge in the discharge cell on the display panel is discharged via a bypass formed by this parallel switching element within a predetermined period immediately after the device power supply is turned on.

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patent: 0 261 584 (1988-03-01), None
patent: 2000-155557 (2000-06-01), None

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