JP2000131463A5 - - Google Patents

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Publication number
JP2000131463A5
JP2000131463A5 JP1998307959A JP30795998A JP2000131463A5 JP 2000131463 A5 JP2000131463 A5 JP 2000131463A5 JP 1998307959 A JP1998307959 A JP 1998307959A JP 30795998 A JP30795998 A JP 30795998A JP 2000131463 A5 JP2000131463 A5 JP 2000131463A5
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JP
Japan
Prior art keywords
light
dial
solar cell
solar
shaped portion
Prior art date
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Granted
Application number
JP1998307959A
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Japanese (ja)
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JP4275778B2 (en
JP2000131463A (en
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Publication date
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Priority to JP30795998A priority Critical patent/JP4275778B2/en
Priority claimed from JP30795998A external-priority patent/JP4275778B2/en
Publication of JP2000131463A publication Critical patent/JP2000131463A/en
Publication of JP2000131463A5 publication Critical patent/JP2000131463A5/ja
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Publication of JP4275778B2 publication Critical patent/JP4275778B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【特許請求の範囲】
【請求項1】
時字部を有してなる文字盤の下面に太陽電池を配置してなる構造の太陽電池時計において
前記時字部は、前記文字盤に設けた光透過用孔に光透過材料を封止して、前記文字盤の上面側でレンズ状となって突出して構成されることを特徴とする太陽電池時計。
【請求項2】
記文字盤の下面に、光反射面を有することを特徴とする請求項1に記載の太陽電池時計。
【請求項3】
前記時字部を構成する光透過材料に、染料または料を含有した材料を用いることを特徴とする請求項1または2に記載の太陽電池時計。
【請求項4】
前記時字部を構成する光透過材料に、短波長光を長波長光に変換する蛍光性物質を含有した材料を用いることを特徴とする請求項1または2に記載の太陽電池時計。
【請求項5】
前記時字部と前記太陽電池とを密着させて配置したことを特徴とする請求項1から4のいずれか一項に記載の太陽電池時計。
【請求項6】
前記光透過材料に光透過性の接着剤を用い、前記文字盤と前記太陽電池とを前記時字部を構成する前記光透過材料により固定したことを特徴とする請求項5に記載の太陽電池時計。
[Claims]
[Claim 1]
In the solar cell timepiece structure formed by placing the bottom surface on the solar cell of the dial comprising a time-shaped portion,
The solar cell is characterized in that the hour-shaped portion is formed by sealing a light-transmitting material in a light-transmitting hole provided in the dial and projecting in a lens shape on the upper surface side of the dial. clock.
2.
The lower surface of the front Symbol dial, solar-powered watch according to claim 1, characterized in that it has a light reflecting surface.
3.
Solar-powered watch according to claim 1 or 2 in the light transmission material constituting the time-shaped portion, characterized by using a material containing a dye or Pigment.
4.
The solar-powered watch according to claim 1 or 2, wherein a material containing a fluorescent substance that converts short-wavelength light into long-wavelength light is used as the light-transmitting material constituting the hour-character portion.
5.
The solar-powered watch according to any one of claims 1 to 4, wherein the hour-shaped portion and the solar cell are arranged in close contact with each other.
6.
Using an optically transparent adhesive on the light-transmitting material, a solar cell according to claim 5, and said solar cell and said dial, characterized in that fixed by the light transmitting material constituting the time-shaped portion clock.

【0005】
【課題を解決するための手段】
上記目的を達成するために、本発明の太陽電池時計は、不透明な文字盤を用い文字盤内の時字部分を光透過用孔とし、その光透過用孔が文字盤に設けた光透過材料で封止して、文字盤の上面側にレンズ状となって突出して形成されて時字部を構成することを特徴とするものである。
本構成により、文字盤の下面に配置した太陽電池に、光透過用孔面積に対して光透過量
を増大した光を入射させて、太陽電池への光入射量を向上させることができる。
0005
[Means for solving problems]
In order to achieve the above object, the solar-powered watch of the present invention uses an opaque dial, the hour character portion in the dial is used as a light transmitting hole , and the light transmitting hole is provided in the dial. It is characterized in that it is sealed with a sword and formed as a lens on the upper surface side of the dial so as to protrude to form an hour-shaped portion.
With this configuration, the solar cells disposed on the lower surface of the dial, light transmission amount with respect to the light transmitting hole area
It is possible to improve the amount of light incident on the solar cell by incident the increased light.

また、本発明の太陽電池時計、前述した不透明文字盤の下部面光反射面を有することを特徴としたものである。
本構成により、光透過用孔からの入射光をより効率的に太陽電池に入射させ、光透過用孔から入射し太陽電池上部で反射された光の一部は文字盤下部に当たる。本構造ではこの光を文字盤下部で再度反射させることにより太陽電池への光入射量を向上させるものとなる
Further, the solar-powered watch of the present invention is characterized by having a light reflecting surface on the lower surface of the above-mentioned opaque dial.
This configuration, incident light from the light transmitting holes, more efficiently made incident on the solar cell, a portion of the light reflected by the solar cell upper incident from the light transmitting hole hits the lower face. In this structure it becomes to improve the light amount of incident to the solar cell by reflecting back the light in dial bottom.

また、本発明の太陽電池時計は、前述した時字部を構成する光透過材料に、料または顔料を含有した材料を用いることを特徴としたものである。
本構造により光透過孔である時字部の外観を変化させることができ、デザイン上の自由度を向上させることが出来る。
また、本発明の太陽電池時計は、前述した時字部を構成する光透過材料に、短波長光を長波長光に変換する蛍光性物質を含有した材料を用いることを特徴としたものである。
本構造の様に蛍光性物質を用いることによって太陽電池の発電に寄与しない短波長光を長波長光に変換し太陽電池の出力特性を向上させることができる。
Further, solar-powered watch of the present invention has is characterized by using a light transmitting material forming the shaped portion when the aforementioned dyeing agents or pigments having containing material.
With this structure , the appearance of the hour-shaped portion, which is a light transmitting hole, can be changed, and the degree of freedom in design can be improved.
Further, the solar-powered watch of the present invention is characterized in that a material containing a fluorescent substance that converts short-wavelength light into long-wavelength light is used as the light-transmitting material constituting the above-mentioned hour character portion. ..
By using a fluorescent material as in the present structure, to convert the short wavelength light which does not contribute to the power generation of the solar cell in a long wavelength light, it is possible to improve the output characteristics of the solar cell.

また、本発明の太陽電池時計、前述した時字部を、文字盤下部に配置した太陽電池と密着させることを特徴としたものである。
一般にガラスの屈折率は1.4から1.5の範囲にあり、透明樹脂の屈折率は1.3から1.6の範囲にある。このため、光透過用孔に配置したガラスまたは透明樹脂と文字盤下に配置した太陽電池との間に空気層が存在することで、ガラスまたは透明樹脂下部と太陽電池上部での光反射が太陽電池への光入射量を減少させる。しかし、ガラスまたは透明樹脂を文字盤下部に配置した太陽電池と密着させることによりこの反射をほぼゼロに抑制することが出来、太陽電池への入射光量をより向上させることができる。
Further, solar-powered watch of the present invention is one in which the shaped portion when the above was characterized by causing close contact with solar cells disposed on the dial bottom.
Generally, the refractive index of glass is in the range of 1.4 to 1.5, and the refractive index of transparent resin is in the range of 1.3 to 1.6. Therefore, the light in that there is an air layer, a glass or a transparent resin to bottom solar Ikegami portion between the light transmission solar cells placed on a glass or transparent resin and dial under which disposed over hole Reflection reduces the amount of light incident on the solar cell. However, by close contact with the solar cells arranged glass or transparent resin dial lower, it is possible to suppress the reflected almost zero, it is possible to further improve the quantity of light incident on the solar cell.

また、本発明の太陽電池時計は、前述した光透過材料を透明接着剤とし、文字盤と太陽電池とを、時字部を構成する光透過材料により固定したことを特徴としたものである。
本構成によれば、太陽電池の固定用部材を使用しないことにより、製造コストをより安価とすることができる
Further, solar-powered watch of the present invention has a feature in that a transparent adhesive light transmissive material as described above, the dial and solar cells were fixed by the light transmission material constituting the shaped portion when ..
According to this configuration, by not using the fixing member of the solar cells, it is possible to make the manufacturing cost cheaper.

【0012】
【実施例】
図1は本発明の太陽電池時計の文字盤21の平面図である。光透過用孔である時字部を構成する光透過用孔11の面積は文字盤に対し15%の開口率とした。またこの文字盤は両面黒色に塗装したアルミ板を用いた。この文字盤の下面に文字盤とほぼ同面積で、500lx蛍光灯下短絡電流50μAの出力を持つのアモルファスシリコン太陽電池を配置した。図2は本発明の文字盤および太陽電池基板の配置を断面図で示したものあり、21が文字盤、31が太陽電池、11が光透過用孔、22が文字盤下部面を示す。この太陽電池はガラス基板状に形成されており、ガラス基板側から光入射を行うものである。文字盤の下面と太陽電池上部面の間隔(S)は2mmとし、光透過孔以外からの光入射を防ぐため外周部に遮光用シール(41)を設けた。本構造において蛍光灯500lx下において短絡電流7.0μAの出力を得た。
0012
【Example】
Figure 1 is a plan view of the dial 21 of the solar cell timepiece of the present invention. The area of the light-transmitting hole 11 constituting the hour-shaped portion, which is the light-transmitting hole, was set to have an aperture ratio of 15% with respect to the dial. For this dial, an aluminum plate painted black on both sides was used. An amorphous silicon solar cell having an output of 500 lpx short-circuit current under a fluorescent lamp of 50 μA was arranged on the lower surface of the dial in the same area as the dial. FIG. 2 shows a cross-sectional view of the arrangement of the dial and the solar cell substrate of the present invention, in which 21 is a dial, 31 is a solar cell, 11 is a light transmitting hole, and 22 is a lower surface of the dial. This solar cell is formed in the shape of a glass substrate, and emits light from the glass substrate side. The distance (S) between the lower surface of the dial and the upper surface of the solar cell was set to 2 mm, and a light-shielding sticker (41) was provided on the outer peripheral portion in order to prevent light from entering from other than the light transmitting holes. In this structure, an output of a short-circuit current of 7.0 μA was obtained under a fluorescent lamp of 500 lpx.

図3に光透過用孔の周辺部の拡大断面図をしめす。集光用レンズ12としてPMMA樹脂をもちいた。また集光用レンズの外形d1は光透過用孔径d2の1.2倍とした。本構造における蛍光灯500lx下での短絡電流は8.0μAであった。 FIG. 3 shows an enlarged cross-sectional view of the peripheral portion of the light transmitting hole. PMMA resin was used as the condensing lens 12 . Contour d1 of or condenser lens is 1.2 times the light transmitting hole diameter d2. The short-circuit current in this structure under a fluorescent lamp of 500 lpx was 8.0 μA.

図4に本発明における太陽電池時計の光透過用孔の周辺部の拡大断面図をしめす。集光用レンズ(12)として前途と同様にPMMA樹脂を用い太陽電池のガラス面に密着させた。本構造における蛍光灯500lx下での短絡電流は8.5μAであった。また、同様な構造において蛍光性材料として1,1,4,4-テトラフェニル1,3-ブタジエンを30wt%分散したPMMA樹脂を用いたところ、短絡電流は8.8μAに向上し外観も変化した。 FIG. 4 shows an enlarged cross-sectional view of the peripheral portion of the light transmission hole of the solar-powered watch according to the present invention. As the condensing lens (12), PMMA resin was used as in the previous case and brought into close contact with the glass surface of the solar cell . The short-circuit current in this structure under a fluorescent lamp of 500 lpx was 8.5 μA. Further, when a PMMA resin in which 1,1,4,4-tetraphenyl 1,3-butadiene was dispersed in 30 wt% was used as a fluorescent material in the same structure, the short-circuit current was improved to 8.8 μA and the appearance was also changed. ..

図4と同様な構造を集光用レンズとして硬化後透明となる接着剤をもちいて構成した。本構造において太陽電池は文字盤に実用的な強度で固定され、また蛍光灯500lx下で
の短絡電流は8.2μAであった。
It was constructed by using an adhesive which becomes transparent after curing as a lens for condensing the same structure as FIG. In this structure, the solar cell was fixed to the dial with practical strength, and the short-circuit current under a fluorescent lamp of 500 lpx was 8.2 μA.

JP30795998A 1998-10-29 1998-10-29 Solar clock Expired - Fee Related JP4275778B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30795998A JP4275778B2 (en) 1998-10-29 1998-10-29 Solar clock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30795998A JP4275778B2 (en) 1998-10-29 1998-10-29 Solar clock

Publications (3)

Publication Number Publication Date
JP2000131463A JP2000131463A (en) 2000-05-12
JP2000131463A5 true JP2000131463A5 (en) 2006-08-17
JP4275778B2 JP4275778B2 (en) 2009-06-10

Family

ID=17975240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP30795998A Expired - Fee Related JP4275778B2 (en) 1998-10-29 1998-10-29 Solar clock

Country Status (1)

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JP (1) JP4275778B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002148360A (en) * 2000-11-08 2002-05-22 Citizen Watch Co Ltd Indicating device for solar cell and manufacturing method for it
JP6365057B2 (en) * 2014-07-22 2018-08-01 大日本印刷株式会社 Designed solar cell and solar cell prepared sheet
JP7270754B2 (en) 2019-02-21 2023-05-10 ニヴァロックス-ファー ソシエテ アノニム black photovoltaic device

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