Transparent conductive film

Patent metadata

Field	Value
Publication number	US-10002687-B2
Application number	US-201514905997-A
Country	US
Kind code	B2
Filing date	Mar 11, 2015
Priority date	Apr 30, 2014
Publication date	Jun 19, 2018
Grant date	Jun 19, 2018

Abstract

A transparent conductive film 1 includes a transparent substrate 2 ; a first optical adjustment layer 4 disposed on one side in the thickness direction of the transparent substrate 2 and made of a resin layer; an inorganic substance layer 5 disposed on one side in the thickness direction of the first optical adjustment layer 4 so as to make contact with the first optical adjustment layer 4 ; and a transparent conductive layer 6 disposed on one side in the thickness direction of the inorganic substance layer 5 . The inorganic substance layer 5 has a thickness of 10 nm or less, and the surface of the one side in the thickness direction of the transparent conductive layer 6 has a surface roughness of 1.40 nm or less.

First claim

The invention claimed is:

1. A transparent conductive film comprising:
a transparent substrate which is a polymer film,
a first optical adjustment layer disposed on one side, in the thickness direction of the transparent conductive film, of the transparent substrate and made of a resin layer,
an inorganic substance layer disposed on one side, in the thickness direction of the transparent conductive film, of the first optical adjustment layer so as to make contact with the first optical adjustment layer, and
a transparent conductive layer disposed directly on one side, in the thickness direction of the transparent conductive film, of the inorganic substance layer,
wherein the inorganic substance layer has a thickness of 10 nm or less,
the surface of the one side, in the thickness direction of the transparent conductive film, of the transparent conductive layer has a surface roughness of 1.40 nm or less, and
the first optical adjustment layer does not substantially contain particles.

2. The transparent conductive film according to claim 1 , wherein the first optical adjustment layer has a thickness of less than 200 nm.

3. The transparent conductive film according to claim 1 , wherein the surface of the one side, in the thickness direction of the transparent conductive film, of the inorganic substance layer has a surface roughness of 0.20 nm or more and 0.70 nm or less.

4. The transparent conductive film according to claim 1 , further comprising a second optical adjustment layer,
wherein the second optical adjustment layer is disposed on one side, in the thickness direction of the transparent conductive film, of the transparent substrate and on the other side, in the thickness direction of the transparent conductive film, of the first optical adjustment layer, and
the second optical adjustment layer has a refraction that is different from the refraction of the first optical adjustment layer.

5. The transparent conductive film according to claim 4 ,
wherein the first optical adjustment layer has a refraction that is lower than the refraction of the second optical adjustment layer.

6. The transparent conductive film according to claim 1 ,
wherein the transparent conductive layer has a thickness of 25 nm or more and 40 nm or less.

7. The transparent conductive film according to claim 1 ,
wherein the transparent conductive layer has a specific resistance of 1.1×10 −4 Ω·cm or more and 2.5×10 −4 Ω·cm or less.

8. The transparent conductive film according to claim 4 ,
wherein the second optical adjustment layer is made of a resin layer.

9. The transparent conductive film according to claim 4 ,
wherein the second optical adjustment layer comprises of a resin and particles.

10. The transparent conductive film according to claim 4 ,
wherein the second optical adjustment layer has a thickness of 30 nm to 1000 nm.

11. The transparent conductive film according to claim 4 ,
wherein the difference between the refraction of the first optical adjustment layer and the refraction of the second optical adjustment layer is 0.10 to 0.60.

12. The transparent conductive film according to claim 1 ,
wherein the inorganic substance layer is composed of an inorganic substance selected from the group consisting of alkali metal fluorides, alkaline earth metal fluorides, rare earth element fluorides, oxides and mixtures thereof.

Assignees

• Nitto Denko Corp

Inventors

• Kawakami Rie
• Kato Daiki
• Sassa Kazuaki
• Machinaga Hironobu
• Miyazaki Tsukasa
• Ueda Eri

Classifications

• H01B3/447

  from acrylic compounds · CPC title

• C23C14/10

  Glass or silica · CPC title

• H01B3/442

  from aromatic vinyl compounds · CPC title

• H01B3/301

  Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen or carbon in the main chain of the macromolecule, not provided for in group H01B3/302 · CPC title

• H01B3/38

  condensation products of aldehydes with amines or amides · CPC title