Electrochromic device, method for, manufacturing electrochromic device, and electrochromic light control device

Patent metadata

Field	Value
Publication number	US-10488730-B2
Application number	US-201715645194-A
Country	US
Kind code	B2
Filing date	Jul 10, 2017
Priority date	Jul 13, 2016
Publication date	Nov 26, 2019
Grant date	Nov 26, 2019

Abstract

An electrochromic device is provided. The electrochromic device includes a laminated body having a curved surface shape and an optical lens on a first surface of the laminated body. The laminated body includes a substrate, a first electrode layer on the substrate, an electrochromic layer in contact with the first electrode layer, a second electrode layer facing the first electrode layer, and a solid electrolyte layer between the first electrode layer and the second electrode layer and in contact with electrochromic layer.

First claim

The invention claimed is:

1. An electrochromic device comprising:
a laminated body having a curved surface shape, including:
a substrate;
a first electrode layer on the substrate;
an electrochromic layer in contact with the first electrode layer;
a second electrode layer facing the first electrode layer;
a solid electrolyte layer between the first electrode layer and the second electrode layer and in contact with electrochromic layer; and
an optical lens on a first surface of the laminated body,
wherein the substrate comprises at least one selected from the group consisting of polycarbonate resin, polyethylene terephthalate resin, polymethyl methacrylate resin, urethane resin, polyolefin resin, and polyvinyl alcohol resin.

2. The electrochromic device of claim 1 , wherein the substrate forms a second surface of the laminated body opposite the first surface.

3. The electrochromic device of claim 1 , further comprising an adhesive layer adhering the laminated body and the optical lens to each other.

4. The electrochromic device of claim 1 , wherein the substrate and the optical lens each comprise a resin resistant to at least one of a wiping test, a drop ball test, and a static pressure loading test.

5. The electrochromic device of claim 1 , wherein the optical lens comprises at least one selected from the group consisting of polycarbonate resin, allyl diglycol carbonate resin, diallyl carbonate resin, diallyl phthalate resin, urethane resin, thiourethane resin, episulfide resin, acrylate resin, methacrylate resin, and cycloolefin resin.

6. A method for manufacturing an electrochromic device of claim 1 , comprising:
successively laminating the first electrode layer and the electrochromic layer on the substrate, which is a first substrate;
forming the second electrode layer on a second substrate;
forming and hardening the electrolyte layer between the first substrate and the second substrate;
sealing an outer peripheral part of the laminated body with a protective layer;
thermoforming the laminated body to give the laminated body the curved surface shape; and
adhering the optical lens to the laminated body.

7. The method of claim 6 , wherein, in the thermoforming, the laminated body is heated to a temperature equal to or higher than a softening point of a material comprising the substrate.

8. An electrochromic light control device comprising:
the electrochromic device of claim 1 ; and
a control element.

9. The method of claim 6 , comprising contacting a transparent material with the first surface of the laminated body, wherein the optical lens is adhesively formed on the laminated body by melting and hardening the transparent material, or curing the transparent material by light or heat, while the transparent material is contacting the first surface of the laminated body.

10. The method of claim 6 , wherein the electrochromic device is formed by dipping the laminated body in a transparent material in a melted state and thereafter hardening the transparent material by cooling or curing by light or heat.

11. The electrochromic light control device of claim 8 , wherein the control element is a switch.

12. An electrochromic device comprising:
a laminated body having a curved surface shape, including:
a substrate;
a first electrode layer on the substrate;
an electrochromic layer in contact with the first electrode layer;
a second electrode layer facing the first electrode layer;
a solid electrolyte layer between the first electrode layer and the second electrode layer and in contact with electrochromic layer; and
an optical lens on a first surface of the laminated body,
wherein the substrate and the optical lens each comprise a resin resistant to at least one of a wiping test, a drop ball test, and a static pressure loading test.

Assignees

• Kim Sukchan
• Yashiro Tohru
• Naijo Yoshihisa
• Takeuchi Kohji
• Konno Takaaki
• Goto shun
• Takahashi Yasuhiro
• Ricoh Co Ltd

Inventors

• Kim Sukchan
• Yashiro Tohru
• Naijo Yoshihisa
• Takeuchi Kohji
• Konno Takaaki
• Goto shun
• Takahashi Yasuhiro

Classifications

• G02B1/041

  Lenses · CPC title

• G02F1/133305

  Flexible substrates, e.g. plastics, organic film · CPC title

• G02F1/157

  Structural association of cells with optical devices, e.g. reflectors or illuminating devices · CPC title

• G02F1/15165

  Polymers · CPC title

• G02F1/133526

  Lenses, e.g. microlenses or Fresnel lenses · CPC title