Patent US4435048A successfully refreshed from Google Patents.
US4435048A
Expired / Lapsed
US
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Electro-optical device and electro-optical light controlling device
Assignee: AGC Inc
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Filing: 1981-04-14
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Granted: 1984-03-06
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Expires: 2001-04-14
Abstract
Abstract An electro-optical device comprising an electrolyte layer held between a pair of electrodes and an electrochromic material placed on at least one of said electrodes, wherein said electrolyte layer comprises an organic material and a chelating agent and an electro-optical light controlling device comprising an electrolyte layer held between a pair of transmissive electrodes and an electrochromic material placed on at least one of said electrodes; wherein said electrolyte layer comprises a non-liquid material of an adhesive or tacky high polymer and a material having coordinating function to a metal.
Inventors
- 👤 Tadatoshi Kamimori
- 👤 Mamoru Mizuhashi
- 👤 Junichi Nagai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:18
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/15; G02F1/1514; G02F1/1523; G02F1/1525
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
87 words
An electro-optical device comprising non-solid electrolyte layer held between a pair of electrodes and a solid electrochromic material placed on at least one of said electrodes, said electrolyte layer comprising an organic material and a chelating agent, wherein said electrolyte layer further comprises iodine or an iodine compound selected from the group consisting of metal or ammonium iodides, C 1 -C 4 iodine-containing carboxylic acids, C 1 -C 4 alkyl iodides and chromatic iodo compounds, in an amount of from 5×10 -3 mole/liter up to saturation level.
Claim 2
Dependent Claim
87 words
An electro-optical device comprising non-solid electrolyte layer held between a pair of electrodes and a solid electrochromic material placed on at least one of said electrodes, said electrolyte layer comprising an organic material and a chelating agent, wherein said electrolyte layer further comprises iodine or an iodine compound selected from the group consisting of metal or ammonium iodides, C 1 -C 4 iodine-containing carboxylic acids, C 1 -C 4 alkyl iodides and chromatic iodo compounds, in an amount of from 5×10 -3 mole/liter up to saturation level.
Claim 3
Dependent Claim
25 words
The electro-optical device according to claim 1 wherein said electrolyte layer comprises a bleaching stabilizer of a chlorine-containing lower carboxylic acid or a bromine compound.
Claim 4
Dependent Claim
15 words
The electro-optical device according to claim 1 wherein said chelating agent is a sulfur-containing compound.
Claim 5
Dependent Claim
108 words
An electro-optical light controlling device comprising a semi-solid electrolyte layer held between a pair of light-transmissive electrodes and a solid electrochromic material placed on at least one of said electrodes, said semi-solid electrolyte comprising an organic material and a compound having a coordination function to the metal of the electrode, a non-liquid adhesive high polymer whereby the electrolyte layer adheres to the electrodes, and iodine or an iodine compound selected from the group consisting of metal or ammonium iodides, C 1 -C 4 iodine-containing carboxylic acids, C 1 -C 4 alkyl iodides and aromatic iodo compounds, in an amount of from 5×10 -3 mole/liter up to saturation level.
Claim 6
Dependent Claim
108 words
An electro-optical light controlling device comprising a semi-solid electrolyte layer held between a pair of light-transmissive electrodes and a solid electrochromic material placed on at least one of said electrodes, said semi-solid electrolyte comprising an organic material and a compound having a coordination function to the metal of the electrode, a non-liquid adhesive high polymer whereby the electrolyte layer adheres to the electrodes, and iodine or an iodine compound selected from the group consisting of metal or ammonium iodides, C 1 -C 4 iodine-containing carboxylic acids, C 1 -C 4 alkyl iodides and aromatic iodo compounds, in an amount of from 5×10 -3 mole/liter up to saturation level.
Claim 7
Dependent Claim
16 words
The electro-optical light controlling device of claim 4, wherein said coordinating compound is a chelating agent.
Claim 8
Dependent Claim
18 words
The electro-optical light controlling device of claim 4, wherein said adhesive high polymer is a polyvinyl acetal resin.
Claim 9
Dependent Claim
16 words
The electro-optical device of claim 4, wherein said adhesive high polymer is a polyvinyl butyral resin.
Claim 10
Dependent Claim
27 words
The electro-optical light controlling device of claim 4, wherein said electrolyte layer further comprises a bleaching stabilizer of a chlorine-containing lower carboxylic acid or a bromine compound.
Claim 11
Dependent Claim
16 words
The electro-optical light controlling device of claim 4, wherein said chelating agent is a sulfur-containing material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-06 | 1987-09-05 | 1988-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-06 | 1991-09-05 | 1992-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-06 | 1995-09-05 | 1996-03-06 | $7700.00 | Window Closed / Lapsed |