Preventing wiring corrosion in LCDs

Details Preventing wiring corrosion in LCDs Preventing wiring corrosion in LCDs

2007-12-11

2011-11-22

Nguyen, Dung T. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S150000, C349S153000

Reexamination Certificate

active

08064027

ABSTRACT:
A display device includes a display panel having a display region and a peripheral region. Signal lines disposed in the peripheral region provide an image display signal to the display region. A test pad portion is disposed in the peripheral region and connected to at least some of the signal lines. The test pad portion includes a test pad, an extension line extending from the test pad, and a bridge wire connecting the extension line to an associated signal line. The bridge wire is formed of a corrosion resistant material. The signal line is protected from corrosion by connecting the signal line to the test pad portion via the bridge wire, which prevents corrosion of the test pad from spreading to the signal line. The bridge wire can be protected from corrosion by disposing it under a sealing member of the panel.

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