US Patent No. 9,860,981

TRANSPARENT CONDUCTIVE FILM AND METHOD FOR PRODUCING SAME


Patent No. 9,860,981
Issue Date January 02, 2018
Title Transparent Conductive Film And Method For Producing Same
Inventorship Takuro Tanaka, Chiba (JP)
Yasuhiko Nakagawa, Chiba (JP)
Hiroyuki Iizuka, Chiba (JP)
Koji Ohguma, Chiba (JP)
Mikio Yamahiro, Chiba (JP)
Assignee JNC CORPORATION, Tokyo (JP)

Claim of US Patent No. 9,860,981

1. A transparent conductive film, consisting of:
a transparent base formed of a film-like polymer resin;
a first hard coat layer laminated on one face of the base;
a first transparent dielectric layer optionally laminated on a face of the first hard coat layer on a side opposite to the
base; and

a first transparent conductive layer laminated on a face of the first transparent dielectric layer on a side opposite to the
first hard coat layer, wherein

the base has a film thickness of 2 to 250 micrometers,
the first hard coat layer is formed of a hardening resin containing an inorganic oxide, and has a refractive index of 1.40
to 1.90 and a film thickness of 0.5 to 6 micrometers, wherein the hardening resin is an ultraviolet curing resin, and the
inorganic oxide comprises Al2O3, SnO2, ZrO2, TiO2, or a composite oxide thereof to adjust the refractive index of the hard coat layer,

the first transparent dielectric layer is formed of an inorganic substance, and has a refractive index of 1.30 to 1.50 and
a film thickness of 10 to 50 nanometers, and

the first transparent conductive layer is formed of at least one kind selected from a group of an inorganic oxide, a metal
and carbon, and subjected to patterning, and has a film thickness of 10 nanometers to 2 micrometers.