Matrix type liquid-crystal display unit

Details Matrix type liquid-crystal display unit Matrix type liquid-crystal display unit

1996-10-15

1999-09-21

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345100, 345211, 345212, 323313, G09G 336

Patent

active

059560118

ABSTRACT:
A matrix type liquid-crystal display unit includes: a plurality of pixel portions which are arranged in the form of a matrix; a plurality of signal lines through which a display signal is supplied to the pixel portions; a plurality of scanning lines through which a scanning signal is supplied to the pixel portions; a signal-line drive circuit for driving the signal lines; a scanning-line drive circuit for driving the scanning-lines; a plurality of first thin-film transistors that form the signal-line drive circuit; a plurality of second thin-film transistors that form the scanning-line drive circuit; and a threshold value control circuit being connected to the signal-line drive circuit and the scanning-line drive circuit, for commonly controlling threshold values of the first and second thin-film transistors.

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