Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2006-07-27
2010-12-14
Richards, N Drew (Department: 2895)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S411000, C257S410000, C257S223000, C257S227000, C257S291000
Reexamination Certificate
active
07851835
ABSTRACT:
A display substrate includes a substrate, a first insulating layer, an undercut compensating member, a first electrode, a second insulating layer and a first conductive pattern. The first insulating layer is formed on the substrate. The undercut compensating member is formed on the first insulating layer. The undercut compensating member has an etching rate smaller than that of the first insulating layer. The first electrode is formed on a portion of the undercut compensating member. The second insulating layer is formed on the first insulating layer. The second insulating layer has a contact hole through which a portion of the first electrode and a remaining portion of the undercut compensating member. The first conductive pattern electrically connected to the first electrode through the contact hole.
REFERENCES:
patent: 7176494 (2007-02-01), Kim
patent: 7190000 (2007-03-01), Ryu et al.
patent: 2003/0122983 (2003-07-01), Kim et al.
Kang Shin-tack
Ki Dong-Hyeon
Kim Sung-Man
Lee Sang-Hoon
Cantor & Colburn LLP
Richards N Drew
Samsung Electronics Co,. Ltd.
Sun Yu-Hsi
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