Circuit device, drive circuit, and display apparatus including t

Details Circuit device, drive circuit, and display apparatus including t Circuit device, drive circuit, and display apparatus including t

1998-03-26

2000-06-20

Zweizig, Jeffrey

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327110, H03B 100

Patent

active

060782056

ABSTRACT:
In an address electrode drive circuit of a plasma display panel, clamping diodes which yield a small forward voltage drop and have a fast switching speed are connected between the output terminal of the drive circuit and the power source and between the output terminal of the drive circuit and the ground. A backward current and voltage dashing from the load to the output transistors of the drive circuit are initially bypassed and absorbed with the clamping diodes and subsequently bypassed and absorbed with parasitic diodes of the output transistors, and the drive circuit is protected against the incoming surge current and voltage.

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