Level shifter with single input and liquid crystal display device using the same

A single input level shifter, which performs a stable level-shifting operation without increasing its area when used with a thin film transistor ("TFT") having a variety of different characteristics, and includes an intermediate voltage signal providing unit for providing an intermediate v...

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Bibliographische Detailangaben
Hauptverfasser:	KIM IL-GON, PARK TAE-HYEONG, MOON KOOKUL, KIM CHEOL-MIN, KIM CHUL-HO, PARK KEEAN
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY CRYPTOGRAPHY DISPLAY EDUCATION ELECTRICITY PHYSICS SEALS
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Beschreibung
Zusammenfassung:	A single input level shifter, which performs a stable level-shifting operation without increasing its area when used with a thin film transistor ("TFT") having a variety of different characteristics, and includes an intermediate voltage signal providing unit for providing an intermediate voltage signal having a voltage between a supply voltage and an input signal voltage, an inverting unit for receiving the intermediate voltage signal and providing an inverted intermediate voltage signal, and a voltage signal comparing unit for comparing the intermediate voltage signal with the inverted intermediate voltage signal and providing the supply voltage or the ground voltage according to the comparison. A TFT liquid crystal display ("LCD") device employs the single input level shifter.