JP4861343B2 - 受光又は発光用半導体モジュール - Google Patents
受光又は発光用半導体モジュール Download PDFInfo
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- JP4861343B2 JP4861343B2 JP2007557686A JP2007557686A JP4861343B2 JP 4861343 B2 JP4861343 B2 JP 4861343B2 JP 2007557686 A JP2007557686 A JP 2007557686A JP 2007557686 A JP2007557686 A JP 2007557686A JP 4861343 B2 JP4861343 B2 JP 4861343B2
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- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
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Description
材料資源や製造で消費するエネルギーを少なくすることもその必要性が高まっている。
本発明の目的は、複数の粒状の受光又は発光機能のある半導体素子を組み込んだ太陽電池モジュールや発光モジュールとして適用可能な受光又は発光用半導体モジュールであって、複数の半導体素子を再利用、再生、修理が容易な受光又は発光用半導体モジュールを提供することである。
しかも、板バネ部材は、その体積に対する表面積の割合が大きいため、熱放散能力が高く、受光又は発光用モジュール内の温度上昇が低くなり、光電変換効率や電光変換効率の低下が抑制され、受光又は発光用モジュールの耐久性を高めることができる。
6 負極
10 太陽電池セル
20 太陽電池モジュール
21 支持基板
22 板バネ部材
22a 接続フランジ部
23 外周枠
24 ラバーパッキン枠
25 ケース板
25a 凸レンズ部
25b 凹状係合部
26 導電接続機構
27 凹部
28 正電極被膜
29 負電極被膜
30a,30b,30c 電極被膜
34 弾力部材
図8〜図12に示すように、この太陽電池モジュール20は、下面側に配置された支持基板21と、この支持基板21上に4列に配置された多数の太陽電池セル10と、4列の列方向と平行に配置された5つの板バネ部材22と、外周枠23と、ラバーパッキン枠24と、上端側の光透過性のケース板25と、各列の複数(例えば8個)の太陽電池セルを並列接続し且つ複数列(例えば4列)の複数(例えば32個)の太陽電池セル10を直列接続する導電接続機構26と、複数のボルト・ナット39などを備えている。
図17に示すように、ケース板25と凸レンズ部25aに垂直に入射する光は、主として凸レンズ部25aで集光され、板バネ部材22の表面で反射されて太陽電池セル10に入射し光電変換される。また、太陽電池セル10の間を通過した光は凹部27の内面で乱反射され太陽電池セル10に入射して光電変換される。
太陽電池モジュール20を使用後に廃棄する場合には、4本のボルト39を外すことにより、支持基板21、外周枠23、ラバーパッキン枠24、ケース板25、複数の板バネ部材22、複数の太陽電池セル10をバラバラに分解することができるため、太陽電池セル10、板バネ部材22、ケース板25などの主要な部品の再利用、再資源化を図ることができる。太陽電池モジュール20の修理の際にも同様に分解して簡単に能率的に行うことができる。
[1]支持基板21は、成形が容易で配線が可能なポリカーボネイト(PC)、PMMA、ガラス布基材エポキシ樹脂、金属ホウロウ、絶縁基板などの何れかの材料で構成してもよい。但し,その表面の全面又は一部に光反射機能のある反射被膜を形成することが望ましい。また、凹部27に充填する弾力部材34は、透明で粘着性のあるポリビニルブチラール、エチレンビニルアセテート(EVA)の何れかで構成してもよい。
[4]板バネ部材22の高さを縮小し、図示の板バネ部材22の1/2又は1/3程度の高さに構成してもよい。また、板バネ部材22は、公知のバネ材である炭素鋼、リン青銅、タングステン鋼、ニッケル鋼、洋銀、ステンレス鋼で構成してもよい。
[7]上記の球状の太陽電池セル10の代わりに、WO99/10935号公報に記載したような、球状の芯材(コア)の表面に薄膜半導体層を成膜し、pn接合を形成した構造の太陽電池セルや発光ダイオード素子を採用してもよい。上記の複数の太陽電池セル の代わりに複数の発光ダイオード素子を組み込んだモジュールは、面発光機能のある発光モジュールである。
Claims (13)
- 受光又は発光機能を有する半導体モジュールにおいて、
支持基板と、
前記支持基板上に複数列に且つ導電方向を列直交方向に揃えて配置された受光又は発光機能を有する複数の粒状の半導体素子と、
光反射機能と導電機能を有する断面ほぼ逆U形の樋状の複数の金属製の板バネ部材であって、隣接する板バネ部材の自由端部間に各列の複数の半導体素子を挟む状態に平行に配設された複数の板バネ部材と、
各列の複数の半導体素子を複数の板バネ部材を介して並列接続し且つ複数列の複数の半導体素子を複数の板バネ部材を介して直列接続する導電接続機構と、
を備えたことを特徴とする受光又は発光用半導体モジュール。 - 複数の半導体素子と複数の板バネ部材の外周側を囲繞する外周枠が支持基板上に配置され、前記複数の半導体素子と複数の板バネ部材と外周枠の上面を覆う光透過性のケース板であって、前記支持基板と外周枠に固定解除可能に固定されるケース板が設けられ、
前記ケース板により複数の板バネ部材の頂部を押圧して前記導電接続機構における複数の接触部の電気的接続を確保するように構成したことを特徴とする請求項1に記載の受光又は発光用半導体モジュール。 - 前記半導体素子は、球状に形成され且つ正極と負極に夫々球の中心を挟んで対向する正電極と負電極とが形成され、正電極と負電極が前記板バネ部材の自由端部に接触するように構成されたことを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記ケース板の表面側部分には、複数列に対応する複数のロッド状の凸レンズ部が一体的に形成されたことを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記支持基板のうちの複数の半導体素子の下方に対応する部位に、略半球状に窪んだ複数の凹部が形成され、各凹部には光透過性の弾力部材が収容され、前記半導体素子は弾力部材の表面に配置されていることを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記ケース板と外周枠との間にラバーパッキン枠が圧縮状態に設けられたことを特徴とする請求項2に記載の受光又は発光用半導体モジュール。
- 前記支持基板の外周部の上面には、前記半導体モジュールの正極及び負極としての正電極被膜及び負電極被膜が外周枠の外側へはみ出すように形成されていることを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記支持基板の外周部の上面には、複数の板バネ部材に夫々電気的に接続される複数の電極被膜が前記外周枠の列方向両端の外側へはみ出すように形成されていることを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記板バネ部材の下端の1対の自由端部には、半導体素子の正電極又は負電極に接触させる為の接続フランジ部が夫々形成されていることを特徴とする請求項2に記載の受光又は発光用半導体モジュール。
- 前記ケース板の内面には、複数の板バネ部材の頂部に夫々当接する複数の凹状係合部が形成されていることを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記各列の半導体素子の正電極又は負電極が板バネ部材の自由端部に電気的に接続した状態にして予め固着され、前記受光又は発光用半導体モジュールの組立ての際に上記の半導体素子付きの板バネ部材が組み込まれることを特徴とする請求項3に記載の受光又は発光用半導体モジュール。
- 前記半導体モジュールが太陽電池モジュールであることを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
- 前記半導体モジュールが発光ダイオードモジュールであることを特徴とする請求項1又は2に記載の受光又は発光用半導体モジュール。
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WO2007091294A1 (ja) | 2007-08-16 |
US7947894B2 (en) | 2011-05-24 |
CN101371365B (zh) | 2010-04-07 |
KR20080097392A (ko) | 2008-11-05 |
CA2640083A1 (en) | 2007-08-16 |
AU2006337843A1 (en) | 2007-08-16 |
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