Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-04-18
1998-06-09
Faile, Andrew
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 98, 257 59, 349 46, G09G 336
Patent
active
057642060
ABSTRACT:
Fluctuations in an image quality of an active matrix type display device are reduced. The active matrix type display device is driven by a drive circuit constructed of a shift register, an analog memory constructed of an analog switch and a capacitor, and an analog buffer formed by a thin-film transistor. In this drive circuit, a channel length of the thin-film transistor for constituting said analog buffer is made longer than a channel length of a thin-film transistor for constituting either said analog switch, or said shift register.
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Tanaka et al., Characteristics of Offset-Structure Polycrystalline-Silicon Thin-Film Transistors, Jan. 1988, pp. 23-25.
DeRycke et al., The Realisation and Evaluation of Poly-CdSe TFT Driving Circuits, 1988, pp. 70-73.
Kawasaki Yuji
Koyama Jun
Christensen Andrew B.
Faile Andrew
Ferguson Jr. Gerald J.
Semiconductor Energy Laboratory Co,. Ltd.
Smith Evan R.
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