Display device including test circuit and electronic...

Details Display device including test circuit and electronic... Display device including test circuit and electronic...

2007-01-31

2009-08-04

Nguyen, Ha Tran T (Department: 2829)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C345S087000

Reexamination Certificate

active

07570072

ABSTRACT:
To provide a display device having a test circuit with high accuracy for testing in the step after a counter substrate is attached and before shipping, and to provide a display device having a correction circuit inside the display device, for the case where a defect occurs. A pixel circuit operated by a gate line and a source line, a first wiring formed at the same time as the gate line, a second wiring formed at the same time as the source line, and a test circuit of detecting a defect of the pixel circuit by using potentials of the first wiring and the second wiring are provided over a substrate.

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