Method for manufacturing touch panel and method for manufacturing display device provided with touch panel
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United States of America Patent
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Apr 29, 2014
Grant Date -
Sep 27, 2012
app pub date -
Nov 18, 2010
filing date -
Nov 26, 2009
priority date (Note) -
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Abstract
Provided is a touch panel manufacturing method wherein the number of exposure masks needed for pattern formation is reduced, and a method for manufacturing a display device provided with a touch panel. A transparent conductive film layer (11) and a metal layer (12) are laminated on a transparent substrate (1), and the transparent conductive film layer (11) and the metal layer (12) are formed into predetermined electrode patterns, with use of one resist pattern. A protective film (13) covering the transparent conductive film layer (11) and the metal layer (12) is formed, and openings (14, 15, and 16) are provided at predetermined positioned in the protective film (13). By etching with use of the protective film (13) having the openings (14, 15, and 16), the metal layer (12) is removed so that the transparent conductive film layer (11) is exposed, whereby at least either touch electrodes (2) or connection terminals (5) are formed.
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