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Solar cell module
| Details |
Inventors: Okaniwa, Hiroshi; Nakatani, Kenji; Suzuki, Kazutomi;
Assignee: Teijin Limited (Osaka, JP)
Primary Examiner: Weisstuch; Aaron
Assistant Examiner:
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak and Seas
A solar cell module is made lightweight without a substantial loss of the performance of the module by using a transparent hollow multilayer structure in which a plurality of transparent sheets are spaced at a distance by reinforcing members inserted between and connected to the transparent sheets as a window member as well as a supporting member of the module by disposing said transparent hollow multilayer structure on the light receiving side of a solar power generation element. |
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DETAILED DESCRIPTION The object of the present invention is to solve the above-mentioned problems of the prior art and to provide a solar cell module which is lightweight and has a simple structure, to enable a reduction of the cost of solar power generation and an expansion of the various usages thereof.
The above and other objects, features and advantages of the present invention are attained by a solar cell module comprising a solar power generation element supported by a window member and sealed as a whole, in which the window member is a transparent hollow multilayer structure comprising a plurality of transparent sheets spaced with reinforcing members inserted therebetween and connected to the transparent sheets, and wherein the transparent hollow multilayer structure of the window member is disposed on the light receiving side of the solar power generation element.
In the present invention, a window member of a transparent hollow multilayer structure, which is light-weight but has sufficient mechanical strength, serves as a supporting member, thus enabling a solar cell module that is light weight and simple in structure.
The transparent hollow multilayer structure used as a window member in the present invention is a transparent light-weight sheet-like structure in which a plurality of transparent sheets are spaced at a certain distance and bonded with reinforcing members.
For example, spaced synthetic resin sheets of high shock resistance and good workability are bonded or bridged with reinforcing members such as a honeycomb structure, spatially arranged ribs, or a corrugated sheet so that sufficient mechanical strength and light weight are attained in the structure.
The synthetic resin sheet is not limited, as long as it is transparent, and may be any known transparent sheet of polycarbonate resin, acrylic resin, etc.
Polycarbonate resin sheet is preferable because of its superior shock resistance.
The reinforcing members of the transparent hollow multilayer structure are not limited, as long as they are lightweight and have sufficient mechanical strength, but are preferably members causing only a low loss in the light transparency of the hollow multilayer structure
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Manufacturing Materials 
