Reflection type liquid crystal display device with a...

Details Reflection type liquid crystal display device with a... Reflection type liquid crystal display device with a...

2007-06-12

2007-06-12

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S149000, C349S138000

Reexamination Certificate

active

10498915

ABSTRACT:
Disclosed are a reflection type LCD and method of manufacturing the same. A wiring layer having a first and second metal layer (102, 104) is formed on a substrate (100) including a display region (D) and a pad region (P). Upon the substrate (100) and the wiring layer is formed a first passivation layer (155), and contacts with a wiring terminal (115) and the first metal layer (102). A second passivation layer (180) is formed on the substrate except the pad region (P). The pad contact hole (160) extends to a position under the second passivation layer (180). The second passivation layer (180) covers a region in the pad contact hole (160) where the step coverage of the pad electrode (170) is poor, thereby preventing a battery effect.

REFERENCES:
patent: 5581382 (1996-12-01), Kim
patent: 5731856 (1998-03-01), Kim et al.
patent: 5982467 (1999-11-01), Lee
patent: 0 782 040 (1997-07-01), None

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