Flat-panel display having test architecture

Details Flat-panel display having test architecture Flat-panel display having test architecture

2011-06-07

2011-06-07

Wong, Tina M (Department: 2874)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S149000, C324S763010, C324S701000

Reexamination Certificate

active

07956946

ABSTRACT:
A flat-panel display having simplified test architecture is disclosed for reducing substrate border area. The flat-panel display includes a plurality of data lines, a plurality of gate lines, a plurality of first conductive lines, a plurality of first one-way switching units, a plurality of second one-way switching units, a plurality of control units and a second conductive line. The gate lines are used to deliver gate signals for use in a test. Each first one-way switching unit functions to allow one-way signal transmission from a corresponding first conductive line to a corresponding gate line. Each second one-way switching unit functions to allow one-way signal transmission from a corresponding first conductive line to the second conductive line. The second conductive line is employed to deliver a corresponding gate signal furnished by a corresponding second one-way switching unit. Each control unit controls inputting of test data signals to one corresponding data line.

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patent: 7781890 (2010-08-01), Pourkeramati et al.
patent: I299849 (2008-08-01), None

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