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Patent Searching and Data


Title:
TFT基板の製造方法
Document Type and Number:
Japanese Patent JP4654581
Kind Code:
B2
Abstract:

To provide a manufacturing method which prevents the corrosion of a metal wiring during an ITO (indium tin oxide) wet etching process and conducts in-plane uniform patterning of ITO.

A TFT (thin film transistor) substrate, having a plurality of TFT elements, disposed on a display area and a conductive part 112 connected to the specified TFT element and having a connection terminal for the external connection, in a non-display area, is provided with a silicon nitride film 380 disposed on the overall surface of the display area and the non-display area and a silicon oxide film 600 disposed on the silicon nitride film.

COPYRIGHT: (C)2005,JPO&NCIPI


Inventors:
Junichi Taira
Application Number:
JP2004023925A
Publication Date:
March 23, 2011
Filing Date:
January 30, 2004
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
G09F9/30; G09F9/00; H01L51/50; H01L21/28; H01L21/336; H01L27/32; H01L29/417; H01L29/423; H01L29/49; H01L29/786; H05B33/14
Domestic Patent References:
JP2002318555A
JP2003031817A
JP11097691A
JP2003338509A
JP2001318626A
JP2001350158A
JP2002352950A
JP7326768A
JP2002134527A
JP2003068757A
Attorney, Agent or Firm:
Kazuya Nishi
Masatake Shiga
Kazunori Onami
Masahiko Ueyanagi
Osamu Suzawa