EL driver for small semiconductor die
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 8, 2002
Issued Date -
N/A
app pub date -
Mar 14, 2001
filing date -
Mar 14, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driver for an EL lamp includes a voltage boost circuit and an H-bridge output having an AC diagonal and a DC diagonal. An EL lamp is coupled across the AC diagonal. A current path is coupled in series with the DC diagonal and limits current through the EL lamp. The current path is either internal or external to the semiconductor device implementing the driver.
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