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US5376308A
Expired / Lapsed
US
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Coating solution for forming transparent conductive coating and process for preparing same
Assignee: JGC Catalysts and Chemicals Ltd
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Filing: 1991-11-21
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Granted: 1994-12-27
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Expires: 2011-11-21
Abstract
Abstract Conductive substrate having on their surface a coating formed from a coating solution for forming a transparent conductive coating prepared by dispersion of dissolving in water and/or organic solvent such conductive particles as having (a) an average particle diameter of not more than 500 Å, wherein (b) an amount of particles having a particle diameter of not more than 600 Å is more than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å is more than 5% by weight and (d) an amount of particles having a particle diameter of more than 1000 Å is not more than 15% by weight, and a matrix comprising a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of more than 10,000 being not more than 20% by weight, are excellent in adhesion and surface smoothness and also excellent in durability and transparency. Display devices provided with the above-mentioned transparent conductive substrates as the display panel are excellent in resolving power, and give constantly clear and sharp images.
Inventors
- 👤 Toshiharu Hirai
- 👤 Michio Komatsu
- 👤 Akira Nakashima
- 👤 Yoneji Abe
- 👤 Yukihiro Iwasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:39
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; C; C09; C09D; C09D5/00; C09D5/24; B; B05; B05D; B05D3/00; B05D3/04; B05D3/0433; B05D3/0453; B05D3/046; B05D3/06; B05D3/061; B05D3/065; B05D3/067; C03; C03C; C03C17/00; C03C17/006; C03C17/007; C03C17/008; C03C17/009; H01B1/22; B05D3/02; B05D3/0254; C03C2217/00; C03C2217/40; C03C2217/43; C03C2217/44; C03C2217/45; C03C2217/46; C03C2217/47; C03C2217/475; C03C2217/476; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/13439; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
157 words
A coating solution for forming a transparent conductive coating comprising conductive particles having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, and a matrix consisting of a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 2
Dependent Claim
157 words
A coating solution for forming a transparent conductive coating comprising conductive particles having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, and a matrix consisting of a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 3
Dependent Claim
177 words
A process for preparing a coating solution for forming a transparent conductive coating which comprises dispersing or dissolving in water and/or organic solvent powdered conductive particles or conductive particles dispersed in a sol having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, and a matrix consisting of silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 4
Dependent Claim
177 words
A process for preparing a coating solution for forming a transparent conductive coating which comprises dispersing or dissolving in water and/or organic solvent powdered conductive particles or conductive particles dispersed in a sol having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, and a matrix consisting of silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 5
Dependent Claim
193 words
A coating solution for forming a transparent conductive coating comprising conductive particles having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, wherein the conductive particles are made from materials selected from the group consisting of tin oxide; tin oxide doped with antimony, phosphorus or fluorine; indium oxide; indium oxide doped with tin or fluorine; and antimony oxide, and a matrix consisting of a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 6
Dependent Claim
193 words
A coating solution for forming a transparent conductive coating comprising conductive particles having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, wherein the conductive particles are made from materials selected from the group consisting of tin oxide; tin oxide doped with antimony, phosphorus or fluorine; indium oxide; indium oxide doped with tin or fluorine; and antimony oxide, and a matrix consisting of a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of the polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 7
Dependent Claim
213 words
A process for preparing a coating solution for forming a transparent conductive coating which comprises dispersing or dissolving in water and/or organic solvent powdered conductive particles or conductive particles dispersed in a sol having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, wherein the conductive particles are made from materials selected from the group consisting of tin oxide; tin oxide doped with antimony, phosphorus or fluorine; indium oxide; indium oxide doped with tin or fluorine; and antimony oxide, and a matrix consisting of a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 8
Dependent Claim
213 words
A process for preparing a coating solution for forming a transparent conductive coating which comprises dispersing or dissolving in water and/or organic solvent powdered conductive particles or conductive particles dispersed in a sol having (a) an average particle diameter of not more than 500 Å, and (b) an amount of particles having a particle diameter of not more than 600 Å being not less than 60% by weight, (c) an amount of particles having a particle diameter of not more than 100 Å being not less than 5% by weight, and (d) an amount of particles having a particle diameter of not less than 1,000 Å being not more than 15% by weight, wherein the conductive particles are made from materials selected from the group consisting of tin oxide; tin oxide doped with antimony, phosphorus or fluorine; indium oxide; indium oxide doped with tin or fluorine; and antimony oxide, and a matrix consisting of a silica polymer having (A) an average degree of polymerization of 1,500-10,000, and (B) an amount of polymer having a degree of polymerization of not more than 3,000 being not more than 50% by weight, and (C) an amount of the polymer having a degree of polymerization of not less than 10,000 being not more than 20% by weight.
Claim 9
Dependent Claim
38 words
The coating solution of claim 3 wherein said transparent conductive coating has a resolution power of not less than 65 bar/cm as observed through said transparent conductive coating and a surface resistivity no greater than 10 10 Ω/□.
Claim 10
Dependent Claim
37 words
The process of claim 4 wherein said transparent conductive coating has a resolution power of not less than 65 bar/cm as observed through said transparent conductive coating and a surface resistivity no greater than 10 10 Ω/□.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1997-12-26 | 1998-06-27 | 1998-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-12-26 | 2002-06-27 | 2002-12-27 | $3760.00 | Window Closed / Lapsed |
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