The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2015
Filed:
Aug. 21, 2009
Naka Tatami, Ohsu, JP;
Toshiyuki Oya, Ohtsu, JP;
Hideo Murakami, Ohtsu, JP;
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Abstract
The present invention provides a transparent conductive film excellent in pen sliding durability at the time of using the transparent conductive film for a touch panel and which enables to production a touch panel having excellent flatness. A transparent conductive film of the present invention comprises a transparent plastic film base and a transparent conductive thin film containing crystalline indium oxide as a main component laminated on at least one face of a transparent plastic film base, wherein an average circle-equivalent diameter of crystal grains of indium oxide of the transparent conductive thin film is 30 to 1000 nm, and a coefficient of variation of a circle-equivalent diameter of the crystal grains is 0.00 to 0.30. The transparent conductive film preferably contains indium oxide containing 0.5 to 8% by mass of tin oxide.