JPS5832477A - Photovoltaic element module - Google Patents
Photovoltaic element moduleInfo
- Publication number
- JPS5832477A JPS5832477A JP56131134A JP13113481A JPS5832477A JP S5832477 A JPS5832477 A JP S5832477A JP 56131134 A JP56131134 A JP 56131134A JP 13113481 A JP13113481 A JP 13113481A JP S5832477 A JPS5832477 A JP S5832477A
- Authority
- JP
- Japan
- Prior art keywords
- receiving surface
- insulating substrate
- photovoltaic element
- positive
- negative electrodes
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 229910000679 solder Inorganic materials 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は基板上に直列接続した光起電力素子モジュール
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to photovoltaic device modules connected in series on a substrate.
一般に半導体の光起電力素子としては、シリコン単結晶
を用いたものや、１−Ｖｌ族および■−Ｖ族の化合物半
導体を用いたものであるが、主として、シリコン単結晶
のｐｎ接合型のものが実用化されている。ところがこの
光起電力素子を他の電力発生装置と比較して考えると、
現状では等価のエネルギーを得るのにあまりにも高価で
あるため、これまでは特殊な用途、すなわち海上の浮動
ブイや無人のマイクロウェーブの中継局等、有線の電力
供給が困難な場所に於ける電源として用いられる程度で
あった。Semiconductor photovoltaic elements generally use silicon single crystals or 1-Vl group and ■-V group compound semiconductors, but mainly silicon single crystal pn junction type devices. has been put into practical use. However, when comparing this photovoltaic device with other power generation devices,
Currently, it is too expensive to obtain the equivalent amount of energy, so until now it has been used for special applications, i.e. power supplies in places where wired power supply is difficult, such as floating buoys at sea or unmanned microwave relay stations. It was only used as a.
しかし、最近各種電子部品のめまぐるしい発達に伴い、
小形携帯用機器の駆動電力源として、自然光や人工照明
光の光エネルギーから、光起電力素子を用いて得られる
電気エネルギーを利用しようとする動きが目立ってきた
。例えば、電卓等は０ＭＯ８−ＩＣやＬＣＤなどの技術
改良により、その消費電流が数十マイクロアンペアと微
少であり、光起電力素子を主電源とするにはきわめて好
適である。However, with the recent rapid development of various electronic components,
BACKGROUND ART There has been a growing trend to use electrical energy obtained from the light energy of natural light or artificial lighting using photovoltaic elements as a driving power source for small portable devices. For example, calculators and the like consume as little current as several tens of microamperes due to technological improvements such as OMO8-IC and LCD, making them extremely suitable for using photovoltaic elements as the main power source.
ところが実際にこの光起電力素子を小形携帯用機器の駆
動電力源として用いる場合、所定入射光下において所定
の出力を得るためには、条件に応じだ光起電力素子の面
積と直列接続数が必要となる。ここで、出力電流は光起
電力素子の面積に比例し、出力電圧は同素子の値列接続
数により決まることは周知の通りである。具体的に電卓
を例にとって考えてみると、消費電流が１０マイクロア
ンペアで消費電圧が３ボルト程度であるから、１００〜
１６０ルツクスの人工照明光下で同電卓を動作させるた
めには、約１平方センチメートルの光起電力素子を１０
個直列接続する必要がある。However, when actually using this photovoltaic element as a drive power source for a small portable device, in order to obtain a specified output under a specified incident light, the area of the photovoltaic element and the number of series connections must be adjusted depending on the conditions. It becomes necessary. Here, as is well known, the output current is proportional to the area of the photovoltaic element, and the output voltage is determined by the number of value series connections of the same element. Taking a calculator as an example, the current consumption is 10 microamperes and the voltage consumption is about 3 volts, so 100~
In order to operate the calculator under 160 lux artificial lighting, 10 photovoltaic elements of approximately 1 square centimeter are required.
pcs need to be connected in series.
このため従来までは第１図ム、Ｂに示すように、所定の
電極パターン１を有する絶縁性基板２上に、所定個数の
光起電力素子３を導電性ペーストもしくはハンダ４等に
よりダイスボンドした後、所定の細線６を用いてワイヤ
ボンドし、直列接続していた。ところがこの方法では、
ダイスボンドおよびワイヤボンドに工数がかかり、コス
ト高になるばかりか、受光面側にワイヤが露出している
だめ、電卓等の民生用機器に用いる一一合には外観上の
難点があり、その改良が望まれて・いた。For this reason, conventionally, as shown in Figures 1 and 1B, a predetermined number of photovoltaic elements 3 were die-bonded onto an insulating substrate 2 having a predetermined electrode pattern 1 using conductive paste or solder 4. After that, wire bonding was performed using a predetermined thin wire 6 to connect them in series. However, with this method,
Not only does die bonding and wire bonding require man-hours and increase costs, but because the wires are exposed on the light-receiving surface side, bonding wires used in consumer devices such as calculators have problems in appearance. Improvements were desired.
したがって本発明の目的とするところは、これらの欠点
を解消することにある。The object of the invention is therefore to eliminate these drawbacks.
以下、本発明について実施例を用い図面と共に詳細に説
明する。Hereinafter, the present invention will be described in detail using examples and drawings.
第２図ム、 Ｂ、 Ｃに本発明の第１の実施例を示
す。A first embodiment of the present invention is shown in FIGS.
図中、１１は透明性絶縁基板、１２は光起電力素子であ
る。光起電力素子１２は受光面側に正および負の電極を
有しており、両電極は、透明性絶縁基板１１上に形成さ
れた所定の電極部１３と導電性ペーストもしくはハンダ
１４等により直接接続されている。ここで光起電力素子
１２は、受光面側の正および負電極が素子ごとに交互に
なるように配列され、全体として直列接続されている。In the figure, 11 is a transparent insulating substrate, and 12 is a photovoltaic element. The photovoltaic element 12 has positive and negative electrodes on the light-receiving surface side, and both electrodes are directly connected to a predetermined electrode portion 13 formed on the transparent insulating substrate 11 by conductive paste, solder 14, etc. It is connected. Here, the photovoltaic elements 12 are arranged so that the positive and negative electrodes on the light-receiving surface side alternate for each element, and are connected in series as a whole.
第３図ム、 Ｂ、 Ｃに本発明の第２の実施例を示
す。A second embodiment of the present invention is shown in FIGS.
図中、２１は絶縁性基板、２２は光起電力素子、２３は
絶縁性基板のぐ；りぬき部分である。光起電力素子２２
は、第１の実施例と同じく、受光面側電性ペーストもし
くはハンダ２５等により直接接続されている。また、絶
縁性基板２１のうち、光起電力素子２２の有光受光面と
対応する部分２３はくりぬかれており、受光面に自由に
光が入射できるように配慮されている。ここで、光起電
力素子２２は、受光面側の正および負電極が素子ごとに
交互になるよう配列され、全体として直列接続されてい
ることはいうまでもない。In the figure, 21 is an insulating substrate, 22 is a photovoltaic element, and 23 is a hollowed out portion of the insulating substrate. Photovoltaic element 22
As in the first embodiment, they are directly connected by conductive paste or solder 25 on the light-receiving surface side. Furthermore, a portion 23 of the insulating substrate 21 corresponding to the light receiving surface of the photovoltaic element 22 is hollowed out so that light can freely enter the light receiving surface. Here, it goes without saying that the photovoltaic elements 22 are arranged so that the positive and negative electrodes on the light-receiving surface side alternate for each element, and are connected in series as a whole.
以上具体的な実施例を示したが、第１の実施例において
は、透明性基板１１としてガラスを用い、あらかじめ同
ガラス基板上に銀ペーストをスキージ印刷し、所定の電
極パターン１３を形成し焼成したあと、さらに同電極パ
ターン１３部にハンダクリームをスキージ印刷し、光起
電力素子１２を搭載、熱処理したものであるが、光起電
力素子１２の正および負の電極はきわめて強固に取り付
けられており、かつ、ダイスボンドとワイヤボンドが同
時におこなえるため製作に要した時間はこれまでの半分
以下に短縮されている。また、受光面側から同光起電力
素子モジュールを見ると、電極パターン１３が見えるが
、パターンの股引したいでは、同モジュールの装飾とし
ても利用できるし、不必要であれば、透明性絶縁基板１
１の光起電力素子１２を搭載した面と反対面１１に、所
定のマスクを施すか、または同反対面１１に不透明塗料
等を直接印刷することにより容易に電極パターンをかく
すことができる。Although specific examples have been shown above, in the first example, glass is used as the transparent substrate 11, silver paste is squeegee-printed on the glass substrate in advance to form a predetermined electrode pattern 13, and then baked. After that, solder cream was squeegee-printed on the same electrode pattern 13, and the photovoltaic element 12 was mounted and heat treated, but the positive and negative electrodes of the photovoltaic element 12 were attached very firmly. Moreover, since die bonding and wire bonding can be performed simultaneously, the time required for production has been reduced by more than half. In addition, when looking at the photovoltaic element module from the light-receiving surface side, the electrode pattern 13 is visible, but if you want to separate the pattern, it can be used as a decoration of the module, or if it is unnecessary, the transparent insulating substrate 1
The electrode pattern can be easily hidden by applying a predetermined mask to the surface 11 opposite to the surface on which the photovoltaic element 12 of No. 1 is mounted, or by directly printing opaque paint or the like on the opposite surface 11.
第２の実施例においては、絶縁基板２１として、所定の
６電極パターン２４とくりぬき部２３とを有する厚さＯ
，ＢＭＭのガラスエポキシ基板を用いたもので、第１の
実施例と同じく、同電極パターン２４部にハンダクリー
ムをスキージ印刷し、光起電力素子２２を搭載、熱処理
したものであるが、これも光起電力素子２２の正および
負の電極はきわめて強固に取り付けられており、製作に
要しだ時間は同じ〈従来の半分以下に短縮されている。In the second embodiment, the insulating substrate 21 has a thickness of O having a predetermined six electrode pattern 24 and a cutout 23.
, BMM's glass epoxy substrate was used, and like the first embodiment, solder cream was squeegee-printed on 24 parts of the same electrode pattern, the photovoltaic element 22 was mounted, and heat treated. The positive and negative electrodes of the photovoltaic element 22 are attached very firmly, and the time required for manufacturing is the same (less than half of the conventional one).
さらに、受光面側から同光起電力素子モジュールを見る
と、電極パターン２４は絶縁基板２１の影にかくれて外
観はきわめて良好である。Furthermore, when looking at the photovoltaic element module from the light-receiving surface side, the electrode pattern 24 is hidden in the shadow of the insulating substrate 21, and the appearance is very good.
以上に示しだように本発明により、直列接続の７ ・−
５
だめのボンディング工程が、従来の半分以下に太幅に短
縮されるとともに、受光面側から光起電力素子モジュー
ルをみた場合、外観上問題とされていたワイヤ露出部も
なくなり、これによる問題点もすでに解消された。As shown above, according to the present invention, 7 ・-
5 The bonding process has been shortened to less than half that of the conventional method, and when the photovoltaic element module is viewed from the light-receiving surface side, the exposed wire part, which was considered a problem in terms of appearance, is no longer present. has already been resolved.
更につけ加えるならば、本発明による光起電力素子モジ
ュールは、直列接続のだめの細線６を用いていないため
、機械強度がますとともに、信頼性の面でも大幅に改良
された。Furthermore, since the photovoltaic element module according to the present invention does not use the thin wires 6 connected in series, the mechanical strength is increased and the reliability is also greatly improved.
第１図ム、Ｂは従来の光起電力素子モジュールを示す上
面図及び側面図、第２図ム、 Ｂ、 Ｃは透明性絶
縁基板を用いた本発明の一実施例による光起電力素子モ
ジュールを示す上面図、Ｂ −Ｂ線に沿った断面図及び
側面図、第３図ム、Ｂ、Ｃは絶縁基板の肉受光面と対応
する部分をくりぬいた本発明の別な実施例による光起電
力素子モジュール：１１
を示す上面図、Ｂ−Ｂ線に沿った断面図及び側面図であ
る。
１２．２２・・・・・・光起電力素子、１１・・・・・
・透明性絶縁基板、１３＋２４・・・・・・所定のパタ
ーンの電極部、２１・・・・・・一部をくりぬいた絶縁
基板、２３・・・・・・くりぬき部。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名□
ｌｌ１ｌｌ 図
Ｉ ２ 図
ｔｔ １１−Figures 1 and 2 show top and side views of a conventional photovoltaic device module, and Figures 2 and 2 show a photovoltaic device module according to an embodiment of the present invention using a transparent insulating substrate. A top view, a cross-sectional view and a side view taken along the line B-B, and FIGS. They are a top view, a sectional view taken along the line BB, and a side view of the power element module 11. 12.22...Photovoltaic element, 11...
- Transparent insulating substrate, 13+24...electrode part of a predetermined pattern, 21...partially hollowed out insulating substrate, 23... hollowed out part. Name of agent Patent attorney Toshio Nakao and 1 other person ll1ll Figure I 2 Figure tt 11-
Claims (2)
個の光起電力素子を、所定の電極パターンを有し、かつ
少なくとも前記光起電力素子の有効受光面と対応する部
分を透明とした絶縁性基板上の電極部に、導電性層を介
して直接接続したことを特徴とする光起電力素子モジュ
ール。(1) A plurality of photovoltaic elements having positive and negative electrodes on the side that becomes the light-receiving surface have a predetermined electrode pattern, and at least a portion corresponding to the effective light-receiving surface of the photovoltaic element is transparent. A photovoltaic element module characterized in that it is directly connected to an electrode portion on an insulating substrate via a conductive layer.
対応する部分のみくりぬいた構造である特許請求の範囲
第１項に記載の光起電力素子モジュール。(2) The photovoltaic device module according to claim 1, wherein the insulating substrate has a structure in which only a portion corresponding to the effective light-receiving surface of the photovoltaic device is hollowed out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56131134A JPS5832477A (en) | 1981-08-20 | 1981-08-20 | Photovoltaic element module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56131134A JPS5832477A (en) | 1981-08-20 | 1981-08-20 | Photovoltaic element module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5832477A true JPS5832477A (en) | 1983-02-25 |
Family
ID=15050776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56131134A Pending JPS5832477A (en) | 1981-08-20 | 1981-08-20 | Photovoltaic element module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832477A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01176957U (en) * | 1988-06-02 | 1989-12-18 | ||
| JPH0574316U (en) * | 1992-03-19 | 1993-10-12 | シオウ シュウ ミイン | Umbrella water receiver |
| JP2005011869A (en) * | 2003-06-17 | 2005-01-13 | Sekisui Jushi Co Ltd | Solar cell module and its manufacturing method |
-
1981
- 1981-08-20 JP JP56131134A patent/JPS5832477A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01176957U (en) * | 1988-06-02 | 1989-12-18 | ||
| JPH0574316U (en) * | 1992-03-19 | 1993-10-12 | シオウ シュウ ミイン | Umbrella water receiver |
| JP2005011869A (en) * | 2003-06-17 | 2005-01-13 | Sekisui Jushi Co Ltd | Solar cell module and its manufacturing method |
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