US5059254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar cell substrate and solar panel for automobile
Assignee: AGC Inc
•
Filing: 1989-05-24
•
Granted: 1991-10-22
•
Expires: 2009-05-24
Abstract
Abstract A glass substrate for a solar cell, comprising a glass sheet having a curved surface shape and a transparent electroconductive film formed on the concave surface side of said glass sheet.
Inventors
- 👤 Susumu Yaba
- 👤 Tomoya Takigawa
- 👤 Kikugawa
- 👤 Koichi Osada
- 👤 Katsuhito Sato
- 👤 Masaru Omae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:06
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10018; B32B17/10082; B32B17/10091; B32B17/10165; B32B17/10174; B32B17/10293; B32B17/10302; B32B17/1055; B32B17/10651; B32B17/10761; B32B17/10788; B60; B60J; B60J7/00; B60J7/02; B60J7/04; C; C03; C03C; C03C17/00; C03C17/22; C03C17/34; C03C17/3411; C03C17/3429; C03C17/3441; C03C17/3482; H; H10; H10F; H10F19/00; H10F19/30; H10F19/31; H10F19/35; H10F19/80; H10F19/807; H10F71/00; H10F71/138; H10F77/00; H10F77/10; H10F77/16; H10F77/169; H10F77/1692; H10F77/93; H10F77/933; H10F77/935; H10F77/937; B32B2367/00; B32B2375/00; B60J1/00; B60J1/002; C03C2217/00; C03C2217/20; C03C2217/28; C03C2217/282; C03C2218/00; C03C2218/10; C03C2218/15; C03C2218/152; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02T; Y02T10/00; Y02T10/80; Y02T10/90; Y10; Y10S; Y10S136/00; Y10S136/291
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
55 words
A glass substrate for a solar cell, comprising a glass sheet having a curved surface shape, a light-shielding layer formed along the periphery of the concave surface of said glass sheet, and a transparent electroconductive film formed to cover at least a portion of said light-shielding layer and the concave surface of said glass sheet.
Claim 2
Dependent Claim
55 words
A glass substrate for a solar cell, comprising a glass sheet having a curved surface shape, a light-shielding layer formed along the periphery of the concave surface of said glass sheet, and a transparent electroconductive film formed to cover at least a portion of said light-shielding layer and the concave surface of said glass sheet.
Claim 3
Dependent Claim
28 words
The glass substrate for a solar cell according to claim 1, wherein said transparent electroconductive film is an electroconductive thin film comprising tin oxide as the main component.
Claim 4
Dependent Claim
22 words
The glass substrate for a solar cell according to claim 1, wherein said glass sheet has been subjected to a strengthening treatment.
Claim 5
Dependent Claim
43 words
A solar cell comprising the glass substrate as claimed in claim 1, an amorphous silicon (a-Si) semiconductor layer formed on the transparent electroconductive film formed on the concave surface side of the glass sheet, and a back electrode formed on the semiconductor layer.
Claim 6
Dependent Claim
37 words
A solar cell-installed window glass panel for an automobile, comprising the solar cell as claimed in claim 4 and a glass plate laminated on the back electrode side of the solar cell with an interlayer disposed therebetween.
Claim 7
Dependent Claim
55 words
A solar cell-installed window glass panel for an automobile, comprising a transparent glass plate with a light shielding layer formed along the periphery thereof, having a light-transmitting solar cell comprising amorphous silicon as a photoelectric convertion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell.
Claim 8
Dependent Claim
55 words
A solar cell-installed window glass panel for an automobile, comprising a transparent glass plate with a light shielding layer formed along the periphery thereof, having a light-transmitting solar cell comprising amorphous silicon as a photoelectric convertion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell.
Claim 9
Dependent Claim
129 words
A solar cell-installed window glass panel for an automobile, comprising a transparent outer glass plate having a light-transmitting solar cell formed on the inner side of said outer glass plate, comprising in order, a light-incident transparent electrode layer on said inner side of said outer glass plate, an amorphous silicon photoelectric conversion layer on said transparent electrode layer, and a transparent back electrode on said photoelectric conversion layer, and further including a transparent protective layer formed on said back electrode to cover said amorphous silicon solar cell wherein said protective layer is composed of a transparent interlayer adjacent said back electrode of said solar cell and a transparent inner glass plate laminated thereover and at least one of said interlayer and said inner glass plate is colored and transparent.
Claim 10
Dependent Claim
129 words
A solar cell-installed window glass panel for an automobile, comprising a transparent outer glass plate having a light-transmitting solar cell formed on the inner side of said outer glass plate, comprising in order, a light-incident transparent electrode layer on said inner side of said outer glass plate, an amorphous silicon photoelectric conversion layer on said transparent electrode layer, and a transparent back electrode on said photoelectric conversion layer, and further including a transparent protective layer formed on said back electrode to cover said amorphous silicon solar cell wherein said protective layer is composed of a transparent interlayer adjacent said back electrode of said solar cell and a transparent inner glass plate laminated thereover and at least one of said interlayer and said inner glass plate is colored and transparent.
Claim 11
Dependent Claim
21 words
The solar cell-installed window glass panel for an automobile according to claim 7, wherein said transparent interlayer is composed of polyvinylbutyral.
Claim 12
Dependent Claim
26 words
The solar cell-installed window glass panel for an automobile according to claim 7, wherein said transparent interlayer is composed of an ethylene vinyl acetate copolymer layer.
Claim 13
Dependent Claim
48 words
The solar cell-installed window glass panel for an automobile according to claim 7, wherein said inner glass plate has a light-shielding colored layer along its peripheral margin to totally cover a current collective electrode formed on the peripheral margin of the inner side of said outer glass plate.
Claim 14
Dependent Claim
99 words
A solar cell-installed window glass panel for an automobile, comprising a transparent outer glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the inner side of said outer glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell wherein said protective layer is composed of a transparent first interlayer formed on said amorphous silicon solar cell formed on the inner side of said outer glass plate, a transparent second interlayer formed on said first interlayer, and a transparent inner glass plate formed on said second interlayer.
Claim 15
Dependent Claim
99 words
A solar cell-installed window glass panel for an automobile, comprising a transparent outer glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the inner side of said outer glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell wherein said protective layer is composed of a transparent first interlayer formed on said amorphous silicon solar cell formed on the inner side of said outer glass plate, a transparent second interlayer formed on said first interlayer, and a transparent inner glass plate formed on said second interlayer.
Claim 16
Dependent Claim
33 words
The solar cell-installed window glass panel for an automobile according to claim 11, wherein at least one of said first interlayer, said second interlayer and said inner glass plate is colored and transparent.
Claim 17
Dependent Claim
29 words
The solar cell-installed window glass panel for an automobile according to claim 11, wherein said first interlayer has a moisture-permeability coefficient of not higher than 20 g/hr/cm 2 /cm.
Claim 18
Dependent Claim
69 words
The solar cell-installed window glass panel for an automobile comprising a transparent glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell with a light shielding layer formed along the periphery thereof, wherein said solar cell has a visible light transmittance of not higher than 20%.
Claim 19
Dependent Claim
69 words
The solar cell-installed window glass panel for an automobile comprising a transparent glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell with a light shielding layer formed along the periphery thereof, wherein said solar cell has a visible light transmittance of not higher than 20%.
Claim 20
Dependent Claim
106 words
A solar cell-installed window glass panel for an automobile, comprising a transparent glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell wherein said glass plate has a light-shielding colored layer along the margin periphery thereof and a solar cell comprising an amorphous silicon photoelectric conversion layer to cover at least a portion of said light-shielding colored layer and the main surface of said glass plate, and said light-shielding colored layer is provided thereon with a current collective electrode of said solar cell.
Claim 21
Dependent Claim
106 words
A solar cell-installed window glass panel for an automobile, comprising a transparent glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell wherein said glass plate has a light-shielding colored layer along the margin periphery thereof and a solar cell comprising an amorphous silicon photoelectric conversion layer to cover at least a portion of said light-shielding colored layer and the main surface of said glass plate, and said light-shielding colored layer is provided thereon with a current collective electrode of said solar cell.
Claim 22
Dependent Claim
73 words
The solar cell-installed window glass panel for an automobile, comprising a transparent glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell wherein said window glass panel has a resin-made gasket integrally molded along the entire peripheral margin and wherein said gasket is integrally molded together with an electrical circuit.
Claim 23
Dependent Claim
73 words
The solar cell-installed window glass panel for an automobile, comprising a transparent glass plate having a light-transmitting solar cell comprising amorphous silicon as a photoelectric conversion layer formed on the glass plate, and a transparent protective layer formed to cover said amorphous silicon solar cell wherein said window glass panel has a resin-made gasket integrally molded along the entire peripheral margin and wherein said gasket is integrally molded together with an electrical circuit.
Claim 24
Dependent Claim
24 words
The solar cell-installed window glass panel for an automobile according to claim 16, wherein said electrical circuit includes a diode for preventing reverse current.
Claim 25
Dependent Claim
24 words
The solar cell-installed window glass panel for an automobile according to claim 16, wherein said electrical circuit is a circuit for stabilizing electric voltage.
Claim 26
Dependent Claim
24 words
The solar cell-installed window glass panel for an automobile according to claim 16, wherein said electrical circuit is a circuit for stabilizing electric current.
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-21 | 1995-04-22 | 1995-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-21 | 1999-04-22 | 1999-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-21 | 2003-04-22 | 2003-10-22 | $7700.00 | Window Closed / Lapsed |