Apparatus for driving display panel with effective DC-DC...

Details Apparatus for driving display panel with effective DC-DC... Apparatus for driving display panel with effective DC-DC...

2007-09-11

2007-09-11

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

C345S076000, C345S204000, C345S211000, C349S142000, C349S143000

Reexamination Certificate

active

10834251

ABSTRACT:
An apparatus for driving a display panel is provided. The display panel driving apparatus includes a main display controller, an icon display controller, a dot-matrix display controller, an icon driver, a dot-matrix driver, a first DC-DC converter, and a second DC-DC converter. The first DC-DC converter boosts an input DC voltage using a coil and supplies the boosted voltage as a first boost voltage to the dot-matrix driver. The second DC-DC converter boosts an input DC voltage using a capacitor and supplies the boosted voltage as a second boost voltage to the icon driver.

REFERENCES:
patent: 4764766 (1988-08-01), Aoyama et al.
patent: 5903327 (1999-05-01), Hijii
patent: 6181313 (2001-01-01), Yokota et al.
patent: 6236443 (2001-05-01), Carlsen
patent: 6633274 (2003-10-01), Yokota et al.

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