Plasma display panel driving apparatus

Details Plasma display panel driving apparatus Plasma display panel driving apparatus

2005-11-10

2008-10-21

Shankar, Vijay (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S062000, C345S066000, C345S068000

Reexamination Certificate

active

07439942

ABSTRACT:
A plasma display panel driving apparatus for applying a voltage to an electrode of the plasma display panel. The apparatus includes a first voltage applying unit to apply a first voltage and a third voltage to the electrode, and a second voltage applying unit to apply a second voltage to the electrode. The second voltage is higher than the first voltage. An energy recovery circuit includes an inductor and an over-voltage clamping preventing unit, which maintains a connection node in a voltage range from the first voltage to the third voltage. The over-voltage clamping preventing unit comprises a second diode coupled with the connection node, a third diode coupled with the connection node, and a fourth switching element coupled with the second diode and a first voltage source that supplies the first voltage.

REFERENCES:
patent: 2006/0043908 (2006-03-01), Cho et al.
patent: 2006/0097959 (2006-05-01), Bezal et al.
patent: 2007/0091017 (2007-04-01), Kwak et al.
patent: 09325735 (1997-12-01), None
patent: 2002215084 (2002-07-01), None
patent: 2002366095 (2002-12-01), None

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