US5069727A
Expired / Lapsed
US
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Flexible photovoltaic device and manufacturing method thereof
Assignee: Sanyo Electric Co Ltd
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Filing: 1990-09-05
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Granted: 1991-12-03
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Expires: 2010-09-05
Abstract
Abstract A flexible photovoltaic device comprises a first transparent, insulating, and flexible resin layer; a transparent electrode formed on the first resin layer; a flexible resin type locking member formed having satisfactory adherence along the inner periphery of the transparent electrode; a semiconductor layer formed to cover the transparent electrode and the locking member for photoelectric conversion; a back electrode formed on the semiconductor layer; and a second insulating and flexible resin layer formed on the back electrode.
Inventors
- 👤 Shinichi Kouzuma
- 👤 Hiroshi Inoue
- 👤 Kenji Murata
- 👤 Hiroyuki Tanaka
- 👤 Yasuo Kishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:52
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/10; H10F77/16; H10F77/169; H10F77/1692; H10F19/00; H10F19/80; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
78 words
A flexible photovoltaic device comprising: a first transparent, insulating, and flexible resin layer, a transparent electrode formed on said first resin layer, a flexible resin type locking member having adherence formed along the inner periphery of said transparent electrode, a semiconductor layer formed so as to cover said transparent electrode and said locking member for photoelectric conversion, a back electrode formed on said semiconductor layer, and a second insulating and flexible resin layer formed on said back electrode.
Claim 2
Dependent Claim
78 words
A flexible photovoltaic device comprising: a first transparent, insulating, and flexible resin layer, a transparent electrode formed on said first resin layer, a flexible resin type locking member having adherence formed along the inner periphery of said transparent electrode, a semiconductor layer formed so as to cover said transparent electrode and said locking member for photoelectric conversion, a back electrode formed on said semiconductor layer, and a second insulating and flexible resin layer formed on said back electrode.
Claim 3
Dependent Claim
18 words
The flexible photovoltaic device according to claim 1, wherein said locking member is formed of polyimide type resin.
Claim 4
Dependent Claim
19 words
The flexible photovoltaic device according to claim 1, wherein said first resin layer is formed of polyimide type resin.
Claim 5
Dependent Claim
21 words
The flexible photovoltaic device according to claim 3, wherein, the first resin layer is formed to a thickness of 5-100 μm.
Claim 6
Dependent Claim
20 words
The flexible photovoltaic device according to claim 1, wherein said second resin layer is formed of a thermoplastic resin sheet.
Claim 7
Dependent Claim
14 words
The flexible photovoltaic device according to claim 5, wherein said thermoplastic resin comprises EVA.
Claim 8
Independent Claim
122 words
A method of manufacturing a flexible photovoltaic device, comprising the steps of: forming a releasing agent layer on a main surface of a supporting substrate, excluding the inner peripheral margin thereof, forming a first transparent, insulating, and flexible resin layer so as to cover said margin and said releasing agent layer, forming a transparent electrode, a semiconductor layer for photoelectric conversion, and a back electrode on said first resin layer in sequence, forming a second insulating and flexible resin layer on said back electrode, creating a cut in the multilayer structure from said second resin layer to said first resin layer along the inner periphery of said releasing agent layer, and peeling said multilayer structure cut island-like from said releasing agent layer.
Claim 9
Independent Claim
122 words
A method of manufacturing a flexible photovoltaic device, comprising the steps of: forming a releasing agent layer on a main surface of a supporting substrate, excluding the inner peripheral margin thereof, forming a first transparent, insulating, and flexible resin layer so as to cover said margin and said releasing agent layer, forming a transparent electrode, a semiconductor layer for photoelectric conversion, and a back electrode on said first resin layer in sequence, forming a second insulating and flexible resin layer on said back electrode, creating a cut in the multilayer structure from said second resin layer to said first resin layer along the inner periphery of said releasing agent layer, and peeling said multilayer structure cut island-like from said releasing agent layer.
Claim 10
Dependent Claim
29 words
The method according to claim 7, wherein said cut is created in the multilayer structure from said second resin layer to said first resin layer by a laser beam.
Claim 11
Dependent Claim
16 words
The method according to claim 7, wherein said releasing agent layer is formed using silicone resin.
Claim 12
Dependent Claim
35 words
The method according to claim 9, wherein said silicone resin is applied to a thickness of 5-20 μm by screen process printing, followed by baking at a temperature within the range of 250° C.-300° C.
Claim 13
Dependent Claim
15 words
A method according to claim 7, wherein said margin has a width of 1-5 mm.
Claim 14
Dependent Claim
114 words
A flexible photovoltaic device comprising: a first transparent, insulating, and flexible resin layer, a transparent electrode formed on one side of said first resin layer, a semiconductor layer formed on said transparent electrode for photoelectric conversion, a back electrode formed on said semiconductor layer, a second insulating and flexible resin layer having shrinking force formed on said back electrode, and a third transparent and flexible resin layer having shrinking force formed on the other side of said first resin layer, wherein the bending moment within said photovoltaic device caused by the shrinking force of said second resin layer is cancelled by the bending moment caused by the shrinking force of said third resin layer.
Claim 15
Dependent Claim
114 words
A flexible photovoltaic device comprising: a first transparent, insulating, and flexible resin layer, a transparent electrode formed on one side of said first resin layer, a semiconductor layer formed on said transparent electrode for photoelectric conversion, a back electrode formed on said semiconductor layer, a second insulating and flexible resin layer having shrinking force formed on said back electrode, and a third transparent and flexible resin layer having shrinking force formed on the other side of said first resin layer, wherein the bending moment within said photovoltaic device caused by the shrinking force of said second resin layer is cancelled by the bending moment caused by the shrinking force of said third resin layer.
Claim 16
Dependent Claim
36 words
The flexible photovoltaic device according to claim 12, wherein each of said second and third resin layers is formed by a member selected from the group consisting of thermosetting resins of polyimide type and acrylic type.
Claim 17
Dependent Claim
54 words
The flexible voltaic device according to claim 12, wherein each of said second and third resin layers is formed by a member selected from the group consisting of a double layer of EVA and PET, and a double layer of EVA and resin of fluorine-containing type, whereby said photovoltaic device is protected from moisture.
Claim 18
Independent Claim
140 words
A method of manufacturing a flexible photovoltaic device, comprising the steps of: forming a first transparent, insulating, and flexible resin layer on a supporting substrate, forming a transparent electrode, a semiconductor layer for photoelectric conversion, and a back electrode on said first resin layer in sequence, forming a second insulating and flexible resin layer having shrinking force on said back electrode, separating said first resin layer from said supporting substrate in a relatively short time by using the shrinking force of said second resin layer, and forming a third transparent and flexible resin layer having shrinking force on the free surface of said first resin layer, wherein the bending moment in said photovoltaic device caused by the shrinking force of said second resin layer is cancelled by the bending moment caused by the shrinking force of the third resin layer.
Claim 19
Independent Claim
140 words
A method of manufacturing a flexible photovoltaic device, comprising the steps of: forming a first transparent, insulating, and flexible resin layer on a supporting substrate, forming a transparent electrode, a semiconductor layer for photoelectric conversion, and a back electrode on said first resin layer in sequence, forming a second insulating and flexible resin layer having shrinking force on said back electrode, separating said first resin layer from said supporting substrate in a relatively short time by using the shrinking force of said second resin layer, and forming a third transparent and flexible resin layer having shrinking force on the free surface of said first resin layer, wherein the bending moment in said photovoltaic device caused by the shrinking force of said second resin layer is cancelled by the bending moment caused by the shrinking force of the third resin layer.
Claim 20
Dependent Claim
19 words
The method according to claim 15, wherein said first resin layer is separated from said supporting substrate in water.
Claim 21
Dependent Claim
38 words
The method according to claim 15, wherein each of said second and third resin layers is formed by applying a member selected from the group consisting of thermosetting varnish of polyimide type and acrylic type, and being heated.
Claim 22
Dependent Claim
32 words
The method according to claim 15, wherein each of said second and third resin layers is formed by layering sheets of EVA and PET, and applying a predetermined pressure for thermal bonding.
Claim 23
Dependent Claim
34 words
The method according to claim 15, wherein each of said second and third resin layers is formed by layering sheets of EVA and fluorine-containing type resin and applying a predetermined pressure for thermal bonding.
References Cited (Backward Citations)
JPS60214550A
Cited
JPS639159A
Cited
JPH01105581A
Cited
JPH01119072A
Cited
JPH01119073A
Cited
US4888061A
Cited
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