Plasma display panel driving circuit

Details Plasma display panel driving circuit Plasma display panel driving circuit

2004-02-03

2008-08-19

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S041000, C345S042000, C345S062000, C345S063000, C345S204000, C313S582000, C313S586000, C315S169400

Reexamination Certificate

active

07414597

ABSTRACT:
A PDP driving circuit for a stable operation of a ramp pulse. A capacitor having a temperature characteristic opposite to a temperature characteristic of a part coupled to a switch that operates as a constant current source for generation of a ramp pulse is arranged in the driving circuit for generating a ramp pulse. The ramp pulse linearly increases or decreases a panel voltage of the PDP with respect to time. Parts having opposite temperature characteristics are coupled in parallel to control variation of a gradient of the ramp pulse so that values of the parts may not be varied depending on the temperature changes. Thus, stable operation of the ramp pulse is obtained.

REFERENCES:
patent: 3970896 (1976-07-01), Marino
patent: 4029937 (1977-06-01), Russell
patent: 6249087 (2001-06-01), Takayama et al.
patent: 6937213 (2005-08-01), Iwasa et al.

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