Thin film transistor circuit and display utilizing the same

Details Thin film transistor circuit and display utilizing the same Thin film transistor circuit and display utilizing the same

1997-12-29

1999-08-24

Philogene, Haissa

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151692, 345 98, 345 87, 349 48, G09G 310

Patent

active

059428562

ABSTRACT:
There is provided a method of easily forming thin film transistors having the same characteristics in fabricating a differential circuit or a current mirror circuit utilizing two thin film transistors made of a polycrystalline silicon semiconductor. Four each thin film transistors are used in a differential circuit and a current mirror circuit, respectively. The thin film transistors are arranged to be symmetric to each other about a symmetry center instead of using thin film transistors arranged adjacently on the substrate in the respective circuits.

REFERENCES:
patent: 5111195 (1992-05-01), Fukuoka et al.
patent: 5376926 (1994-12-01), Sano
patent: 5383041 (1995-01-01), Yamazaki et al.
patent: 5455534 (1995-10-01), Motegi et al.
patent: 5680149 (1997-10-01), Koyama et al.

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