Transparent conductive film and electric device

Patent metadata

Field	Value
Publication number	US-9645454-B2
Application number	US-201414191904-A
Country	US
Kind code	B2
Filing date	Feb 27, 2014
Priority date	Apr 1, 2013
Publication date	May 9, 2017
Grant date	May 9, 2017

Abstract

According to one embodiment, the transparent conductive film contains a laminated structure including a conductive layer and a transparent polymer layer. The conductive layer contains a metal nanowire and a carbon material including grapheme. The transparent polymer layer contains a transparent polymer having a glass transition temperature of 100° C. or less. The carbon material constitutes one surface of the transparent conductive film.

First claim

What is claimed is:

1. An electric device comprising:
a pair of electrodes, at least one of the pair of electrodes comprising a conductive layer comprising a laminated structure comprising a conductive layer and a transparent polymer layer, the conductive layer comprising a metal nanowire and a carbon material comprising graphene, the transparent polymer layer comprising a transparent polymer having a glass transition temperature of 100° C. or less, the transparent polymer being a block copolymer comprising a polymer with a glass transition temperature of 100° C. or more and a polymer with a glass transition temperature of 10° C. or less, the carbon material constituting one surface of the conductive layer; and
a functional layer disposed between the pair of electrodes.

2. The electric device according to claim 1 , wherein the transparent polymer layer in the conductive transparent film has a refractive index of 1.6 or more at a wavelength of 550 nm.

3. The electric device according to claim 1 , wherein a part of carbon atoms of the graphene in the transparent conductive film is substituted with a nitrogen atom or a boron atom.

4. The electric device according to claim 1 , wherein the transparent conductive film further comprises a metal wiring provided on the conductive layer.

5. The electric device according to claim 1 , wherein a part of the conductive layer enters the functional layer between 5% and 30% of the thickness of the functional layer.

6. The electric device according to claim 1 , wherein the functional layer is a photoelectric conversion layer.

7. The electric device according to claim 6 , wherein the photoelectric conversion layer comprises an n-type semiconductor layer and a p-type semiconductor layer.

8. The electric device according to claim 6 , wherein one of the pair of electrodes is a positive electrode and the other is a negative electrode.

9. The electric device according to claim 8 , further comprising a hole injection layer disposed between the positive electrode and the photoelectric conversion layer, and an electron injection layer disposed between the negative electrode and the photoelectric conversion layer.

10. The electric device according to claim 1 , further comprising a display side member comprising a front electrode, a support side member comprising a back electrode, and a liquid crystal layer disposed between these members, one of the pair of electrodes being the front electrode and the other being the back electrode.

11. The electric device according to claim 1 , wherein the transparent polymer is a block copolymer comprising a poly(acrylic acid ester) or a poly(methacrylic acid ester).

12. A transparent conductive film comprising:
a laminated structure comprising a conductive layer and a transparent polymer layer, the conductive layer comprising a metal nanowire and a carbon material comprising graphene, the transparent polymer layer comprising a transparent polymer having a glass transition temperature of 100° C. or less, the transparent polymer being a block copolymer comprising a polymer with a glass transition temperature of 100° C. or more and a polymer with a glass transition temperature of 10° C. or less, the carbon material constituting one surface of the transparent conductive film.

Assignees

• Toshiba Kk

Inventors

• Naito Katsuyuki
• Yoshinaga Norihiro
• Akasaka Yoshihiro
• Ono Tomio

Classifications

• H10K30/50

  Photovoltaic [PV] devices · CPC title

• H01L51/529

  Electricity · mapped topic

• C08J2333/08

  Homopolymers or copolymers of acrylic acid esters · CPC title

• B82Y30/00

  Nanotechnology for materials or surface science, e.g. nanocomposites · CPC title

• H01L29/7781

  Electricity · mapped topic