Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2005-01-11
2005-01-11
Ton, Toan (Department: 2871)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
C349S138000, C257S059000
Reexamination Certificate
active
06842201
ABSTRACT:
An active matrix substrate for a liquid crystal display and method of forming the same. To form the active matrix substrate five masks are needed. The first mask forms data lines on the transparent substrate. After forming a low k dielectric layer, the second mask forms contact windows therein. The third mask patterns pixel electrodes and conducting lines connecting sources and the data lines. The fourth mask patterns a metal layer/an insulating layer/a semiconductor layer
-doped layer to form gate lines and TFTs on the low k dielectric layer. After depositing a passivating layer the fifth mask defines the passivating layer.
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AU Optronics Corp.
Ladas & Parry LLP
Ton Toan
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