ZERO ENERGY STORAGE DRIVER INTEGRATED IN LED CHIP CARRIER
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United States of America Patent
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Issued Date -
Jan 29, 2015
app pub date -
Jan 21, 2013
filing date -
Jan 20, 2012
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Abandoned
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Abstract
LED devices are provided that include LED chips on LED chip carriers. The LED device can in turn be housed in a package, such as a small-outline transistor (SOT) package or a radial LED device package. A single LED device or a serial connection of a plurality of such LED devices can be operated directly from an AC (line) voltage or a rectified version thereof. In some example embodiments, switching circuitry is integrated into the LED chip carrier for controlling current flow through the LED(s) in response to, for example, a brightness regulating control signal. Numerous example embodiments of the monolithic LED devices are provided, including manufacturing processes as well as various example packages for such LED devices.
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