Driving device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7006071
APP PUB NO 20030117360A1
SERIAL NO

10328526

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A serial driving device for driving a passive module according to a number of digital pixel data is provided. The serial driving device includes a digital-to-analog converting unit, an analog buffer, a shift register, and an output buffer unit. The digital-to-analog converting unit is used for outputting a number of analog pixel data in series according to the digital pixel data. The pixel data output from the digital-to-analog converting unit is then processed by the analog buffer, the shift register, and the output buffer. The output buffer unit includes a number of driving sub-units for receiving the analog pixel data from the analog buffer in parallel. Each driving sub-units includes an output buffer, a primary switch, and a secondary switch. The primary switch is first turned on to drive the output terminal of the driving sub-unit toward an output voltage corresponding to the analog pixel data received by the driving sub-unit, and if the analog pixel data received by the driving sub-units are corresponding to the same gray level, the secondary switch is then turned on to drive the output terminal of the driving sub-units toward an average voltage.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HIMAX TECHNOLOGIESTAINAN CITY, TW2
HIMAX TECHNOLOGIES LIMITEDTAINAN COUNTY608

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bu, Lin-Kai Tainan, TW 82 450

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