Active matrix substrate having a contact pad for detecting bus l

Details Active matrix substrate having a contact pad for detecting bus l Active matrix substrate having a contact pad for detecting bus l

1991-12-24

1994-09-20

Hille, Rolf

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

257784, 359 54, 359 87, 359 88, G02F 113

Patent

active

053492269

ABSTRACT:
In an active matrix substrate including an array of thin film transistors arranged in a matrix, source buses and gate buses formed on an insulating substrate, a contact pad is formed on the source buses and the gate buses so that a metal portion of these buses is exposed, in order to provide an access for probing to monitor the waveform of signals.

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patent: 4810061 (1989-03-01), Nakanowatari et al.
patent: 4840459 (1989-06-01), Strong
patent: 4954700 (1990-10-01), Takabayashi
patent: 5068748 (1991-11-01), Ukai et al.
patent: 5089750 (1992-02-01), Hatada et al.

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