Semiconductor device

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2007-08-14

2007-08-14

Lefkowitz, Sumati (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S055000, C345S169000, C345S206000, C257S059000, C257S072000

Reexamination Certificate

active

09924337

ABSTRACT:
A systemized active matrix display in which a pixel matrix circuit, a driver circuit and a logic circuit are mounted on the same substrate, is formed. A TFT of the present invention has such characteristics as to be able to operate in a wide driving frequency range of 0.05 to 2 GHz, and by designing a channel length and a film thickness of a gate insulating film of the TFT according to characteristics required by circuits, it is possible to form a high frequency driving circuit and a low frequency driving circuit on the same substrate.

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