LED LUMINANCE DEVICE AND RELATED DRIVER CIRCUIT

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United States of America Patent

APP PUB NO 20160353534A1
SERIAL NO

15155857

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A driver circuit of a LED luminance device includes: a signal pin; a determining circuit for determining the magnitude of an input signal; an indication signal generating circuit for outputting an indication signal to the signal pin according to the determining result of the determining circuit; an alignment signal generating circuit for generating an alignment signal when triggered by a predetermined edge of a signal at the signal pin; an indication signal detecting circuit for detecting the signal at the signal pin to generate a detection signal; and a control signal generating circuit for generating multiple control signals according to the detection signal to respectively control multiple switching elements in parallel connection with multiple LED devices when triggered by the alignment signal.

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Patent Owner(s)

Patent OwnerAddress
RICHTEK TECHNOLOGY CORPORATION14F-1 NO 8 TAIYUEN 1ST ST ZHUBEI CITY HSINCHU COUNTY 30288

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHEN, Isaac Y Hsinchu County, TW 130 871
JAO, Tong-Cheng Taichung City, TW 13 71
LEE, Yi-Wei Taipei City, TW 51 214
PAN, Jiun-Hung Taipei City, TW 27 222

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