Electronic device, display device and production method thereof

Details Electronic device, display device and production method thereof Electronic device, display device and production method thereof

2007-05-29

2007-05-29

Crane, Sara (Department: 2811)

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

Field effect device

Having insulated electrode

C257S072000, C349S054000

Reexamination Certificate

active

11049235

ABSTRACT:
A display device of the present invention comprises: a source line; a pixel electrode; a first TFT for switching an electrical connection between the source line and the pixel electrode; and a second TFT as a spare. The second TFT includes a semiconductor film and a gate electrode. The semiconductor film includes a source electrode and a drain electrode. The gate electrode is provided on the semiconductor film with a gate insulation film interposed therebetween. The display device includes an interlayer insulation film between the source line and the semiconductor film of the second TFT. The interlayer insulation film is thicker than the gate insulation film. When the first TFT is unusable, a contact hole is formed in the interlayer insulation film such that the source line is electrically connected to the source electrode, whereby the electrical connection between the source line and the pixel electrode is rendered switchable by the second TFT.

REFERENCES:
patent: 6833882 (2004-12-01), Lee
patent: 2003/0085427 (2003-05-01), Green et al.
patent: 7-104311 (1995-04-01), None
patent: 2002-0085206 (2002-11-01), None

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