Driver for display panel

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United States of America Patent

PATENT NO 5994929
SERIAL NO

09066981

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A capacitive load drive is provided, which can perform faster and more efficient operation than an energy recovery circuit for effectively reducing ineffective energy of pulses applied to a capacitive load. An energy recovery circuit is connected to a first electrode of the capacitive load, to which pulses are applied. The energy recovery circuit comprises a coil and a capacitor connected in series for energy recovery, and a first and a second voltage clamp switches connected to the other terminal of the series circuit of the coil and the capacitor, the first voltage clamp switch being connected to a high voltage side terminal of the DC power supply, the second voltage clamp switch being connected to a low voltage side terminal of the DC power supply.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PANASONIC CORPORATIONOSAKA, JP10805

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohba, Masataka Tokyo, JP 2 78
Sano, Yoshio Tokyo, JP 38 780

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