Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takehiro Egami0
Naomi Nakayama0
Date of Patent
February 1, 2011
0Patent Application Number
118659390
Date Filed
October 2, 2007
0Patent Primary Examiner
Patent abstract
A touch panel for use in an ultra-high resolution display includes a transparent film substrate having one surface made of PET or the like and a transparent electrode film made of ITO film or the like that is formed on the transparent film substrate. A surface of the film substrate opposite the surface on which the transparent electrode is formed has a coating layer including a filler. The filler has an average particle size of 0.1 μm to 0.01 μm, and the coating layer is formed to have a surface having arithmetic particle roughness (Ra) of 0.1 μm to 0.01 μm, whereby the Ra of the surface of the coating layer is formed to 1/2000th to 1/4000th of the pixel pitch of a display to which the touch panel is attached.
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