Driving circuit and display
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United States of America Patent
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-
Oct 14, 2003
Grant Date -
N/A
app pub date -
Jul 5, 2001
filing date -
Nov 9, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a circuit driving a capacitive load Cp, current passed through a transistor Q3, a diode D1 and a recovering coil L is passed through lines L1, L2, and the inductance components of the lines L1 and L2, and the drain-source capacitances of the transistors Q1 and Q2 generate LC resonance. Capacitors C1 and C2 are connected in parallel to the drain-source regions of the transistors Q1 and Q2 to increase the total drain-source capacitance and reduce the resonance frequency, so that unwanted electromagnetic wave radiation in a frequency band affecting other electronic devices is suppressed.
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