Adaptive color change systems to personalize products
US-2024151995-A1 · May 9, 2024 · US
Composition for electrochromic device having optical transmission, high flexibility, and high moisture resistance, and manufacturing method of electrochromic member
US2024272506A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024272506-A1 |
| Application number | US-202118020433-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 8, 2021 |
| Priority date | Oct 14, 2021 |
| Publication date | Aug 15, 2024 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present invention relates to a composition for an electrochromic device having improved optical transmission and elasticity, and a manufacturing method of an electrochromic member, wherein the composition for an electrochromic device according to an embodiment of the present invention includes a light-transmitting polymer resin, a plasticizer, and an electrochromic material.
First claim
Opening claim text (preview).
1 . A composition for an electrochromic device comprising: a light-transmitting polymer resin; a plasticizer; and an electrochromic material. 2 . The composition for an electrochromic device of claim 1 , wherein the electrochromic material is diheptyl viologen dihexafluorophosphate, and contained in an amount of 5 to 20 parts by weight with respect to 100 parts by weight of the polymer resin. 3 . The composition for an electrochromic device of claim 1 , wherein the electrochromic material is represented by Formula 1 below: 4 . The composition for an electrochromic device of claim 1 , wherein the electrochromic material is ethyl viologen dibis(trifluoromethanesulfonyl)imide, and contained in an amount of 5 to 14 parts by weight with respect to 100 parts by weight of the polymer resin. 5 . The composition for an electrochromic device of claim 1 , wherein the electrochromic material is represented by Formula 2 below: 6 . The composition for an electrochromic device of claim 1 , further comprising an ionic liquid in an amount of 100 to 200 parts by weight with respect to 100 parts by weight of the polymer resin. 7 . The composition for an electrochromic device of claim 1 , further comprising an anode redox compound in an amount of 1 to 7 parts by weight with respect to 100 parts by weight of the polymer resin. 8 . An electrochromic device comprising: a first electrode; a second electrode; and an electrochromic device layer discolored by voltage applied to the first electrode and the second electrode; wherein the electrochromic device layer includes the composition for an electrochromic device of claim 1 . 9 . A method of manufacturing an electrochromic member, the method comprising: dissolving a polymer resin, a plasticizer, an ionic liquid, and an electrochromic material in a solvent to prepare a mixed solution; and removing the solvent of the mixed solution. 10 . The method of claim 9 , wherein the electrochromic material is diheptyl viologen dihexafluorophosphate, and is prepared through the following manufacturing method: preparing a solution in which 1,1-diheptyl-4,4-bipyridinium dibromide is dissolved in a solvent; and adding NH 4 PF 6 to the solution. 11 . The method of claim 9 , wherein the electrochromic material is ethyl viologen dibis(trifluoromethanesulfonyl)imide, and is prepared through the following manufacturing method: preparing a solution in which ethyl viologen dibromide is dissolved in a solvent; and adding lithium bis(trifluoromethanesulfonyl)imide to the solution. 12 . The method of claim 9 , wherein in the preparing of the mixed solution, the plasticizer is in an amount of 700 to 1200 parts by weight with respect to 100 parts by weight of the polymer resin, the ionic liquid is in an amount of 100 to 200 parts by weight, the electrochromic material is in an amount of 5 to 20 parts by weight with respect to 100 parts by weight of the polymer resin. 13 . The method of claim 9 , wherein in the preparing of the mixed solution, an anode redox compound is further added in an amount of 1 to 7 parts by weight with respect to 100 parts by weight of the polymer resin.
Assignees
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Classifications
Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor · CPC title
containing two nitrogen atoms as heteroatoms · CPC title
Organic tenebrescent materials · CPC title
of acyclic polycarboxylic acids · CPC title
Ferrocene compounds · CPC title
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Frequently asked questions
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- What does patent US2024272506A1 cover?
- The present invention relates to a composition for an electrochromic device having improved optical transmission and elasticity, and a manufacturing method of an electrochromic member, wherein the composition for an electrochromic device according to an embodiment of the present invention includes a light-transmitting polymer resin, a plasticizer, and an electrochromic material.
- Who is the assignee on this patent?
- Univ Korea Ind Univ Coop Found
- What technology area does this patent fall under?
- Primary CPC classification G02F1/15165. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Aug 15 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).