JPH06291350A - Photoelectric conversion device - Google Patents
Photoelectric conversion deviceInfo
- Publication number
- JPH06291350A JPH06291350A JP5079917A JP7991793A JPH06291350A JP H06291350 A JPH06291350 A JP H06291350A JP 5079917 A JP5079917 A JP 5079917A JP 7991793 A JP7991793 A JP 7991793A JP H06291350 A JPH06291350 A JP H06291350A
- Authority
- JP
- Japan
- Prior art keywords
- photoelectric conversion
- protective film
- film
- conversion device
- transparent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、太陽光や人工光などの
光エネルギーを半導体接合を用いて電気エネルギーに変
換する光電変換装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photoelectric conversion device for converting light energy such as sunlight or artificial light into electric energy using a semiconductor junction.
【０００２】[0002]
【従来の技術】従来の光電変換装置として、基板上に電
極層光電変換層等を積層して形成した光電変換素子の表
面をガラス板などで覆って表面保護板とするものが知ら
れている。そして、表面保護板の端部からの水分の侵入
を防ぐために、端部にコの字状やＬ字状の金属フレーム
を嵌め、さらにシリコーン樹脂などの封止剤でシールす
ることが行われていた。また、高分子フィルムのような
可撓性基板を用いた光電変換素子は軽量で、可撓性があ
るため任意の曲面形状の上にも貼り付けることができる
利点をもつが、この場合は表面保護フィルムを樹脂で結
着して表面を保護することが行われる。従来の光電変換
装置からの電流の取出しは、表面保護板あるいは表面保
護フィルムの一部に穴開け加工を行い、電極層と接続さ
れた導線をその穴に通し、保護板あるいは保護フィルム
上に設けた端子箔に接続する方法がとられていた。2. Description of the Related Art As a conventional photoelectric conversion device, there is known one in which a surface of a photoelectric conversion element formed by laminating an electrode layer photoelectric conversion layer and the like on a substrate is covered with a glass plate or the like to serve as a surface protection plate. . Then, in order to prevent the invasion of water from the end portion of the surface protection plate, a U-shaped or L-shaped metal frame is fitted to the end portion and further sealed with a sealant such as a silicone resin. It was In addition, a photoelectric conversion element that uses a flexible substrate such as a polymer film is lightweight and flexible, so it has the advantage that it can be attached to any curved shape. The surface is protected by binding a protective film with a resin. To extract electric current from a conventional photoelectric conversion device, a hole is formed in a part of the surface protective plate or surface protective film, and the conductor wire connected to the electrode layer is passed through the hole and provided on the protective plate or protective film. The method of connecting to the terminal foil was taken.
【０００３】[0003]
【発明が解決しようとする課題】従来の金属フレームは
構造が複雑であり、またガラス保護板を支えるために十
分な強度が必要であり、厚くなるため加工によるコスト
も高く、高価になる。また、可撓性光電変換素子の場合
にはフレームを端部にはめると可撓性がなくなるという
問題がある。さらに、従来の端子引き出し法は、表面の
保護板や保護フィルムの一部を穴開け加工するためにコ
ストがかさむ上に、この部分からの水分の侵入を防ぐた
めに端子箱の構造が複雑かつその容積が大きくなってし
まうという問題があった。The conventional metal frame has a complicated structure, requires sufficient strength to support the glass protective plate, and becomes thicker and therefore more expensive and expensive to process. Further, in the case of the flexible photoelectric conversion element, there is a problem that the flexibility is lost when the frame is fitted to the end portion. Furthermore, the conventional terminal drawing method is costly because a part of the protective plate or protective film on the surface is perforated, and in addition, the structure of the terminal box is complicated and its structure prevents moisture from entering from this part. There was a problem that the volume became large.
【０００４】本発明の目的は、上述の問題を解決し、活
性領域への水分の侵入を防ぐ機能を低コストで備え、ま
た可撓性基板を用いた場合の可撓性を失わない光電変換
装置を提供することにある。An object of the present invention is to solve the above problems, to provide a function of preventing moisture from entering the active region at low cost, and to perform photoelectric conversion without losing flexibility when a flexible substrate is used. To provide a device.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明は、基板上に両面に電極層を備えた光電変
換層を有する光電変換素子の両面が絶縁性保護フィルム
で覆われ、光入射側の保護フィルムは透明であり、その
端部で折り返されて反光入射側の保護フィルムの端部近
傍上に重ねられたものとする。そして、保護フィルムと
基板および上部電極層との間に結着樹脂層が介在するこ
と、基板が可撓性であること、光入射側の保護フィルム
がふっ素樹脂からなること、反光入射側の保護フィルム
が高分子フィルムと金属箔の複合材料からなることが有
効である。また、電極層に接続された導線が折り返され
た保護フィルムと他方の保護フィルムの間を通じて外部
へ引き出されたことが有効である。そして、その導線が
両保護フィルムの間に介在する結着樹脂層の中に埋め込
まれていることが有効である。In order to achieve the above object, the present invention provides a photoelectric conversion element having a photoelectric conversion layer having electrode layers on both sides of a substrate, and both sides thereof are covered with an insulating protective film. The light-incident side protective film is transparent, and is folded back at its end so as to be overlapped with the vicinity of the end of the light-incident side protective film. And, a binder resin layer is interposed between the protective film and the substrate and the upper electrode layer, the substrate is flexible, the light-incident side protective film is made of a fluororesin, and the light-incident side protective It is effective that the film is made of a composite material of a polymer film and a metal foil. Further, it is effective that the conductive wire connected to the electrode layer is drawn out to the outside through the space between the folded back protective film and the other protective film. Then, it is effective that the conductor wire is embedded in the binder resin layer interposed between both protective films.
【０００６】[0006]
【作用】端部において、光入射側の保護フィルムを折り
返して、これと反光入射側の保護フィルムを重ねる簡単
な構造により、端部からの水分の侵入を防ぐことが出来
る。水分の侵入を防ぐ作用は、フィルムを相互に密着さ
せることによって可能であるが、その間に結着樹脂層を
介在させることにより一層強化される。また、光入射側
の保護フィルムにふっ素樹脂フィルムを用いると紫外線
に強く、反光入射側の保護フィルムに高分子フィルムと
金属箔の複合材料を用いることも、その側からの水分の
侵入の阻止作用を強化する。With a simple structure in which the protective film on the light incident side is folded back at the end portion and the protective film on the light incident side is superposed on the protective film, moisture can be prevented from entering from the end portion. The action of preventing the invasion of water can be achieved by bringing the films into close contact with each other, and it is further enhanced by interposing a binder resin layer therebetween. In addition, if a fluorine resin film is used as the protective film on the light incident side, it is resistant to ultraviolet rays, and using a composite material of a polymer film and a metal foil for the protective film on the anti-light incident side also prevents the entry of moisture from that side. To strengthen.
【０００７】また、保護フィルムの重なり部分より電極
層に接続した導線を引き出すことにより、裏面の保護フ
ィルムを加工する必要もなく、端子箱の構造も簡易的な
ものとすることが可能となる。Further, by pulling out the conducting wire connected to the electrode layer from the overlapping portion of the protective film, it is not necessary to process the protective film on the back surface, and the structure of the terminal box can be simplified.
【０００８】[0008]
【実施例】図１、図２は本発明の一実施例の光電変換装
置の構造を示し、この構造は、可撓性基板上に形成した
光電変換素子１をはさんで、結着樹脂としてのエチレン
ビニールアセテート（ＥＶＡ）層２を介して光入射側に
透明保護フィルム３、反対側にアルミニウム箔４を絶縁
性樹脂ではさんで水分の透過を防止した不透明の複合材
料フィルム５を積層し、端部においては、透明保護フィ
ルム５をＥＶＡと共に折り返して複合材料フィルム５の
端部近傍に重ね、これを固定した状態で120〜170 ℃程
度の温度に一定時間保持することにより硬化する。透明
フィルムの折り返し長さは、長ければ長い程水蒸気の侵
入を防ぐ効果は高いが、少なくとも５mm以上好ましく10
mm以上、最も好ましくは20mm以上の長さがあれば、屋外
での使用が可能となる。透明保護フィルムの材料とし
て、ポリビニルフルオライト（ＰＶＥ）やエチレン−テ
トラフルオロエチレン供重合体（ＥＴＦＥ）のようなふ
っ素樹脂を用いると、紫外線等の影響に強い光電変換装
置を造ることができる。1 and 2 show the structure of a photoelectric conversion device according to an embodiment of the present invention. This structure has a photoelectric conversion element 1 formed on a flexible substrate and is used as a binder resin. The transparent protective film 3 is laminated on the light incident side through the ethylene vinyl acetate (EVA) layer 2 and the opaque composite material film 5 is laminated on the opposite side with an insulating resin to prevent moisture from permeating, At the end, the transparent protective film 5 is folded back together with EVA and overlapped in the vicinity of the end of the composite material film 5, and the composite material film 5 is fixed and held at a temperature of about 120 to 170 ° C. for a certain period of time to cure. The longer the folding length of the transparent film, the higher the effect of preventing the invasion of water vapor, but at least 5 mm or more is preferable.
If the length is at least mm, most preferably at least 20 mm, it can be used outdoors. When a fluororesin such as polyvinylfluorite (PVE) or ethylene-tetrafluoroethylene copolymer (ETFE) is used as the material of the transparent protective film, a photoelectric conversion device resistant to the influence of ultraviolet rays and the like can be manufactured.
【０００９】図２は、本発明の一実施例における電流取
り出しリード線の引き出し構造を示す。光電変換素子
は、透光性基板11上に透明電極12、 a−Si半導体のｐ−
ｉ−ｎ接合を備えた光電変換層13、裏面金属電極14を積
層してなり、透明電極12上に設けられた接触部６に一端
が結合された導線７は、透明保護フィルム３と複合材料
フィルム５の間のＥＶＡ層２の中に埋め込まれて引き出
されている。この導線７は図示していない簡易端子箱に
接続され、外部へ出力を発生する。なお、可撓性の透光
性基板上に透明電極、光電変換層、金属電極を積層し、
基板を光入射側にして可撓性光電変換素子を造ることも
できる。FIG. 2 shows a structure for drawing out a current extraction lead wire according to an embodiment of the present invention. The photoelectric conversion element is composed of a transparent electrode 12 on a transparent substrate 11 and a p-type a-Si semiconductor.
The conductive wire 7 which is formed by stacking the photoelectric conversion layer 13 having an in junction and the back surface metal electrode 14 and has one end coupled to the contact portion 6 provided on the transparent electrode 12 is formed of the transparent protective film 3 and the composite material. It is embedded and pulled out in the EVA layer 2 between the films 5. The conductor 7 is connected to a simple terminal box (not shown) to generate an output to the outside. In addition, a transparent electrode, a photoelectric conversion layer, and a metal electrode are laminated on a flexible transparent substrate,
A flexible photoelectric conversion element can also be manufactured with the substrate on the light incident side.
【００１０】[0010]
【発明の効果】光電変換装置の端部において、光入射側
の透明保護フィルムを折り返して、これと相対する側の
保護フィルムと重なる折り込みを設けることにより、端
部でコの字型やＬ字型の金属フレームとシリコーンなど
の封止剤を用いて水分の侵入を防ぐ構造をとる必要も無
しに、端部からの水分の侵入を防ぐことが可能となった
ため、大幅なコストの低減をはかることができた。ま
た、装置の端部の硬さの異なる材料を設ける必要が無い
ため、可撓性基板を用いた光電変換装置の可撓性を全く
防げることなく、内部の素子を保護することが可能とな
った。EFFECT OF THE INVENTION At the end of the photoelectric conversion device, the transparent protective film on the light-incident side is folded back and provided with a fold that overlaps with the protective film on the opposite side. Since it is possible to prevent the intrusion of water from the edge without the need to take a structure to prevent the intrusion of water by using a metal frame of the mold and a sealant such as silicone, it is possible to significantly reduce the cost. I was able to. Further, since it is not necessary to provide materials having different hardness at the end of the device, it is possible to protect the internal elements without completely preventing the flexibility of the photoelectric conversion device using the flexible substrate. It was
【００１１】さらに、保護フィルムの重なり部分より取
り出し電極のリード線を引き出すことにより、裏面の保
護フィルムを加工する必要もなく、端子箱の構造も簡易
的なものとすることが可能となる。ガラス基板のように
構造的に強固でない可撓性光電変換装置の場合には、こ
のような簡易端子箱の方が端子箱を支える構造が簡素化
できるために好ましい。Further, by pulling out the lead wire of the take-out electrode from the overlapping portion of the protective film, it is not necessary to process the protective film on the back surface, and the structure of the terminal box can be simplified. In the case of a flexible photoelectric conversion device which is not structurally strong like a glass substrate, such a simple terminal box is preferable because the structure for supporting the terminal box can be simplified.
【図１】本発明の一実施例の光電変換装置の断面図FIG. 1 is a sectional view of a photoelectric conversion device according to an embodiment of the present invention.
【図２】本発明の一実施例の光電変換装置の一部拡大断
面図FIG. 2 is a partially enlarged sectional view of a photoelectric conversion device according to an embodiment of the present invention.
１ 光電変換素子 ２ ＥＶＡ層 ３ 透明保護フィルム ４ アルミニウム箔 ５ 複合材料フィルム ７ 導線 １１ 可撓性基板 １２ 透明電極 １３ 光電変換層 １４ 金属電極 DESCRIPTION OF SYMBOLS 1 Photoelectric conversion element 2 EVA layer 3 Transparent protective film 4 Aluminum foil 5 Composite material film 7 Conductive wire 11 Flexible substrate 12 Transparent electrode 13 Photoelectric conversion layer 14 Metal electrode
Claims (7)
を有する光電変換素子の両面が絶縁性保護フィルムで覆
われ、光入射側の保護フィルムは透明であり、その端部
で折り返されて反光入射側の保護フィルムの端部近傍上
に重ねられたことを特徴とする光電変換装置。1. A photoelectric conversion element having a photoelectric conversion layer having electrode layers on both sides on a substrate is covered on both sides with an insulating protective film, the protective film on the light incident side is transparent, and folded back at its end. And a photoelectric conversion device, characterized in that the photoelectric conversion device is superposed on the vicinity of the end of the protective film on the side opposite to the incident light.
間に結着樹脂層が介在する請求項１記載の光電変換装
置。2. The photoelectric conversion device according to claim 1, wherein a binder resin layer is interposed between the protective film and the substrate and the upper electrode layer.
載の光電変換装置。3. The photoelectric conversion device according to claim 1, wherein the substrate is flexible.
なる請求項１、２あるいは３記載の光電変換装置。4. The photoelectric conversion device according to claim 1, 2 or 3, wherein the protective film on the light incident side is made of a fluororesin.
ムと金属箔の複合材料からなる請求項１ないし４のいず
れかに記載の光電変換装置。5. The photoelectric conversion device according to claim 1, wherein the protective film on the side opposite to the incident light is made of a composite material of a polymer film and a metal foil.
護フィルムと他方の保護フィルムの間を通じて外部へ引
き出された請求項１ないし５のいずれかに記載の光電変
換装置。6. The photoelectric conversion device according to claim 1, wherein the conducting wire connected to the electrode layer is drawn out to the outside through a space between the folded back protective film and the other protective film.
の間に介在する結着樹脂層の間に埋め込まれた請求項２
および６記載の光電変換装置。7. A conductor wire connected to an electrode layer is embedded between a binder resin layer interposed between both protective films.
And the photoelectric conversion device described in 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05079917A JP3132608B2 (en) | 1993-04-07 | 1993-04-07 | Photoelectric conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05079917A JP3132608B2 (en) | 1993-04-07 | 1993-04-07 | Photoelectric conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06291350A true JPH06291350A (en) | 1994-10-18 |
| JP3132608B2 JP3132608B2 (en) | 2001-02-05 |
Family
ID=13703653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05079917A Expired - Fee Related JP3132608B2 (en) | 1993-04-07 | 1993-04-07 | Photoelectric conversion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3132608B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1544921A1 (en) * | 2003-12-19 | 2005-06-22 | Canon Kabushiki Kaisha | Solar cell module |
| WO2008046547A1 (en) * | 2006-10-20 | 2008-04-24 | Krd Coaatings Gmbh | Transparent, multi-layered component |
| WO2009075267A1 (en) * | 2007-12-12 | 2009-06-18 | Sony Corporation | Dye-sensitized photoelectric conversion device module and method for manufacturing the same, photoelectric conversion device module and method for manufacturing the same, and electronic device |
| KR101142826B1 (en) * | 2009-10-27 | 2012-05-08 | 한국철강 주식회사 | Photovoltaic Device and Method for manufacturing the same |
| WO2013031199A1 (en) * | 2011-08-30 | 2013-03-07 | 三洋電機株式会社 | Solar cell module |
| JP2014041989A (en) * | 2012-07-27 | 2014-03-06 | Sharp Corp | Thin-film solar cell module |
-
1993
- 1993-04-07 JP JP05079917A patent/JP3132608B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1544921A1 (en) * | 2003-12-19 | 2005-06-22 | Canon Kabushiki Kaisha | Solar cell module |
| US7238879B2 (en) | 2003-12-19 | 2007-07-03 | Canon Kabushiki Kaisha | Solar cell module |
| WO2008046547A1 (en) * | 2006-10-20 | 2008-04-24 | Krd Coaatings Gmbh | Transparent, multi-layered component |
| WO2009075267A1 (en) * | 2007-12-12 | 2009-06-18 | Sony Corporation | Dye-sensitized photoelectric conversion device module and method for manufacturing the same, photoelectric conversion device module and method for manufacturing the same, and electronic device |
| JP2009146625A (en) * | 2007-12-12 | 2009-07-02 | Sony Corp | Dye-sensitized photoelectric conversion element module, manufacturing method thereof, photoelectric conversion element module, and manufacturing method thereof, as well as electronic apparatus |
| KR101142826B1 (en) * | 2009-10-27 | 2012-05-08 | 한국철강 주식회사 | Photovoltaic Device and Method for manufacturing the same |
| WO2013031199A1 (en) * | 2011-08-30 | 2013-03-07 | 三洋電機株式会社 | Solar cell module |
| JP2014041989A (en) * | 2012-07-27 | 2014-03-06 | Sharp Corp | Thin-film solar cell module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3132608B2 (en) | 2001-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5367230B2 (en) | Solar cell module | |
| US7960643B2 (en) | Isolated metallic flexible back sheet for solar module encapsulation | |
| US6323416B1 (en) | Solar cell module | |
| JP2009021288A (en) | Solar cell module | |
| CN102856403B (en) | Flexible solar battery component and packaging method thereof | |
| US20100071756A1 (en) | Isolated metallic flexible back sheet for solar module encapsulation | |
| JPH10112549A (en) | Solar battery module | |
| JP2003282900A (en) | Solar battery module | |
| US20120266943A1 (en) | Solar cell module structure and fabrication method for preventing polarization | |
| WO2012165002A1 (en) | Solar cell module | |
| JP2012089663A (en) | Solar cell module and manufacturing method of the same | |
| JP4101611B2 (en) | Thin film solar cell | |
| JP3132608B2 (en) | Photoelectric conversion device | |
| CN114530513A (en) | Improved flexible and light photovoltaic module | |
| WO2011024992A1 (en) | Solar cell module | |
| JP3479728B2 (en) | Solar cell module | |
| JP2006173298A (en) | Solar cell module | |
| JP2001177125A (en) | Solar cell module | |
| JP2009044047A (en) | Solar-battery module | |
| JPS60250946A (en) | Sheet material | |
| JPH11214734A (en) | Solar battery module, its manufacture and execution method and solar battery power generation system | |
| JP5312284B2 (en) | Solar cell module and manufacturing method thereof | |
| JP4508668B2 (en) | Solar cell module | |
| JPH07135335A (en) | Solar cell module | |
| JP6505507B2 (en) | Solar cell module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071124 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081124 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091124 Year of fee payment: 9 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091124 Year of fee payment: 9 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091124 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101124 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |