Level shifter of driving circuit

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United States of America Patent

PATENT NO 9893729
SERIAL NO

14933900

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Abstract

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A level shifter applied to a driving circuit of a display is disclosed. The level shifter at least includes a first stage of level shifting unit, a second stage of level shifting unit, and two third stage of level shifting units belonging to different power domains and used to perform boost conversion of voltage signals in different power domains. The first stage of level shifting unit includes eight transistors. The second stage of level shifting unit includes four transistors. The two third stage of level shifting units both include six transistors and two output terminals. The level shifter of the driving circuit in this invention makes the output terminals of the two third stage of level shifting units belonging to different power domains to synchronously output the voltage-shifted voltage signals.

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Patent Owner(s)

Patent OwnerAddress
RAYDIUM SEMICONDUCTOR CORPORATIONHSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuo, Chia-Ming Tainan, TW 64 693

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