【発明の詳細な説明】この発明は色つき太陽電池に関するものである。[Detailed description of the invention]This invention relates to colored solar cells.
従来、太陽電池は各種電気機器に実用化されてきており
、材料としてはアキルファスンリコンや単結晶シリコン
が用いられている。しかし現在使われているこれら太陽
電池は黒色またはそれに近い色となっているので見た目
が美しいとはいえず、外装部品としては使いづらく、デ
ザイン上の制約があった。また屋外でソーラーシステム
などに応用された場合、周囲の雰囲気を暗くしてしまい
、環境上好壕しくない場合もあった。Conventionally, solar cells have been put into practical use in various electrical devices, and the materials used are akylphasone silicon and single crystal silicon. However, since the solar cells currently in use are black or a color close to black, they are not aesthetically pleasing, are difficult to use as exterior parts, and have design limitations. Furthermore, when used outdoors in solar systems, etc., it darkens the surrounding atmosphere and may not be environmentally friendly.
この発明は、太陽電池に色をつけることによってこうし
た従来技術における欠点を解決するものである。The present invention solves these drawbacks of the prior art by adding color to the solar cells.
つぎにこの発明の114g例について説明する、第1図
において、太陽電池1の上にカラー拡散層2が配置され
る。太陽電池1としては現在使用されているものにアモ
ルファスンリコン、または単結晶シリコンがあるが、こ
れを太陽1.池として使った場合の発電に富力する波長
は第2]メ1示のとうりである。カラー拡散層2として
は、白色拡散板3とカラーフィルり4を重ねたものが用
いられている。太陽電池1の上に設ける白色拡散板−3
としては、アクリル製乳白色板のほか、ノ・−フミラー
につや消しクリアラッカーを塗布して拡散透過層を設け
たものや、さらに、片1li11をプラヌト処理したガ
ラスやプラスチックの反対側の面にアルミなどによす0
.2〜1.0w間隔でストライプ状や網状にミラー(鏡
UkJ)を形成したものなどでもよい、アクリル製乳白
色板の場合は厚みが3m程度になるが、その他の手段で
はより薄い拡散板を得ることができる。Next, a 114g example of the present invention will be explained. In FIG. 1, a color diffusion layer 2 is arranged on a solar cell 1. Currently used solar cells 1 include amorphous silicon or single crystal silicon; When used as a pond, the wavelengths that are most effective in generating electricity are as shown in Section 2]. As the color diffusion layer 2, a layer in which a white diffusion plate 3 and a color filler 4 are stacked is used. White diffuser plate-3 provided on the solar cell 1
In addition to milky-white acrylic plates, there are also no-f mirrors coated with a matte clear lacquer to provide a diffused transmission layer, and pieces 1li11 of glass and plastic treated with aluminum on the other side. Yosu 0
.. A mirror (mirror UkJ) formed in a stripe or net shape at intervals of 2 to 1.0W may also be used.In the case of an acrylic milky white plate, the thickness is about 3m, but with other means, a thinner diffuser plate can be obtained. be able to.
この白色拡散板3は、発電効率の点からは透過率の高い
ほうがよいが、あまり高いと太陽電池1の黒色が見えて
し−まいきれいな色が見えない。逆に反射率を高くする
と色はきれいになるが、発電効率が落ちる。央験的には
色がめる程度きれいで、71つ発電効率を余り下げない
割合は、反射率60〜50%、透過率60〜40%程辰
が良いと判断された。白色拡散板3のさらに上に設ける
カラーフィルタ4は太陽電池1の発電に寄与する波長域
をできるだけ−多く透過するものがよい。したがってカ
ラーフィルタ4をつけないのが最も効率はよいが、その
場合は白色拡散板乙の白色が見える。It is better for this white diffuser plate 3 to have a high transmittance from the point of view of power generation efficiency, but if it is too high, the black color of the solar cell 1 will be visible, making it difficult to see clear colors. Conversely, if the reflectance is increased, the colors will be clearer, but the power generation efficiency will decrease. Hypothetically, it was determined that the reflectance is 60 to 50% and the transmittance is 60 to 40%, which is as good as the color discoloration and does not significantly reduce the power generation efficiency. The color filter 4 provided above the white diffuser plate 3 is preferably one that transmits as much of the wavelength range that contributes to power generation by the solar cell 1 as possible. Therefore, it is most efficient to not attach the color filter 4, but in that case, the white color of the white diffuser plate O can be seen.
白色以外の色を出すには、第2図で太陽電池1にアモル
ファスシリコンを使った場合は緑色〜黄色系の色が好ま
しく、青、赤、紫は好壕しくない。In order to produce colors other than white, when amorphous silicon is used for the solar cell 1 in FIG. 2, colors in the green to yellow range are preferred, and blue, red, and violet are not preferred.
第2図で黄色のカラーフィルタを使った場合の光の透過
率を示す曲線をY、黄緑色のカラーフィルタのそれをY
Gで示す。太陽電池として単結晶シリコンを用い/と場
合は、黄色〜赤系統の色が好ましく、青系統は好捷しく
ない。寸だカラーフィルり4として短波長側の光を吸収
して発電に訂与する螢光を出す螢光フィルタを用いても
よい。In Figure 2, the curve showing the light transmittance when using a yellow color filter is Y, and the curve showing the light transmittance when using a yellow-green color filter is Y.
Indicated by G. When monocrystalline silicon is used as a solar cell, yellow to red colors are preferred, and blue colors are not preferred. A fluorescent filter that absorbs light on the short wavelength side and emits fluorescent light that contributes to power generation may be used as the color filter 4.
なお1ヨ色拡散板6を用いず、カラーフィルり4を設け
ただけではほとんど黒色できtLいな色は(bない、ま
たカラーフィルタ4を太陽′電池1と白色拡散板5の間
に設けると白色拡散板の白色だけが見えてカラーフィル
タの色が出ない。Note that if you do not use the color filter 6 and only provide the color filter 4, it will not be possible to produce almost black colors (b), and if the color filter 4 is provided between the solar cell 1 and the white diffuser 5, Only the white color from the white diffuser plate is visible, and the color from the color filter does not appear.
第3図で外周光5は、黄色のアラ−フィルタ4を使った
場合、黄色光がj念過し他の色の元は吸収される。この
透過した黄色光は白色拡散板ろで一部が反射して観音の
目に入るとともに・戊9の部分は透過して太陽電池10
党電に寄与すΩ。In FIG. 3, when the yellow color filter 4 is used for the peripheral light 5, the yellow light is passed through and the other colors are absorbed. A portion of this transmitted yellow light is reflected by the white diffuser plate filter and enters Kannon's eyes, while the 9 part is transmitted through the solar cell 10.
Ω that contributes to the party line.
この# Ia ’?l−CはゾTラー敢、!;L仮2と
して白邑子広1孜板3とカラーフィルタ4を組合せたも
のを用いているが−その他日色拡敢板:Cカラー1頭科
を重加したカラー拡散板な用いてもよい、上述のカラー散乱層2は太陽電池1の全面に設けなけれ
ばならないものではなく、文子や、’AFfj、絵の形
状に設けてもよいし、また一枚の太陽電池1の上に昇な
る色の複数種類のj(rラー散乱板2を設けてもよい。This #Ia'? l-C is Zora Tler! ; As L Kari 2, a combination of Shiramura Shihiro 1 Kei plate 3 and color filter 4 is used. Other day color diffusion plates: Color diffusion plates with C color 1 head may also be used. The above-mentioned color scattering layer 2 does not have to be provided on the entire surface of the solar cell 1, but may be provided in the shape of a letter, 'AFfj, or a picture, or it may be formed above a single solar cell 1. A plurality of types of color scattering plates 2 may be provided.
さらにカラー散乱層2としてカラーフィルタ4と白色拡
散板5とを用いた場合において、太陽電池1の上に何も
設けない部分(rよ黒色、白色拡散板6だけを設けた部
分は白色、白色拡散板6とカラーフィルタ4とを設げ7
を部分はIJセラーィルタの色というように表わすこと
もできる。Furthermore, when a color filter 4 and a white diffuser plate 5 are used as the color scattering layer 2, the part where nothing is provided on the solar cell 1 (r is black, the part where only the white diffuser plate 6 is provided is white, A diffusion plate 6 and a color filter 4 are provided 7
The part can also be expressed as the color of the IJ cell filter.
上述の構成よりなる本発明の色つき太1匈寅池はカラフ
ルなので外装品として用途が拡がり、さらにノーラーン
ステムとして屋外に設けるときは環境を明るくすること
ができる。Since the colored Tai1 Xiong Toraike of the present invention having the above-mentioned structure is colorful, its uses can be expanded as an exterior product, and furthermore, when it is installed outdoors as a nolan stem, it can brighten the environment.
第1図は本発明の実画例のEチ面説明図、第2図は太陽
電池の相対出力およびカラーフィルタの透過率を示すグ
ラフ、第6図は第1図の実施例の作用説明図である。1・・・・・・太Is電池2・・・・・・l)シー4T、散層第1図第2図□1長(7L771.)第3図Fig. 1 is an explanatory diagram of the E-side of an actual example of the present invention, Fig. 2 is a graph showing the relative output of the solar cell and the transmittance of the color filter, and Fig. 6 is an explanatory diagram of the operation of the embodiment of Fig. 1. It is. 1... Thick Is battery 2...l) Sea 4T, scattered layer Fig. 1 Fig. 2 □ 1 length (7L771.) Fig. 3
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59004204AJPS60148172A (en) | 1984-01-12 | 1984-01-12 | Colored solar cell |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59004204AJPS60148172A (en) | 1984-01-12 | 1984-01-12 | Colored solar cell |
| Publication Number | Publication Date |
|---|---|
| JPS60148172Atrue JPS60148172A (en) | 1985-08-05 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59004204AExpired - LifetimeJPS60148172A (en) | 1984-01-12 | 1984-01-12 | Colored solar cell |
| Country | Link |
|---|---|
| JP (1) | JPS60148172A (en) |
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