TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The metal electrode contains silver, copper, gold, platinum, palladium and/or nickel, and has metal vapor deposition film or a plated layer and a metal vapor deposition film. The transparent electrode thin film contains metal oxide chosen from titanium oxide, indium oxide, tin oxide, aluminum oxide, indium-tin oxide, zinc oxide, magnesium oxide, silicon oxide, zirconium oxide, tin-antimony oxide and/or zinc-aluminum oxide. The electrode further has a metal print film containing metal particles and binder resin. The photoelectric transducer has a crystalline silicon layer or amorphous silicon layer. Preferred Properties: The metal electrode has thickness of 1-100 mu m and width of 0.01-1 mm, and is formed in stripe-like form. The transparent electrode thin film has thickness of 10-500 nm. A transparent film is an elongate film. The adhesive is formed in sheet form. The electroconductive fine particles have average particle diameter of 0.1-100 mu m.    TECHNOLOGY FOCUS - POLYMERS - Preferred Properties: The refractive index of high refractive index polymerizable monomer is preferably 1.55 or more. The refractive index of cured material is 1.55 or more. The refractive index of cured material is less than refractive index of outermost layer and more than refractive index of transparent film. Preferred Adhesive: The transparent adhesive contains a polyester unsaturated compound. Preferred Monomer: The high refractive index monomer is of formula: R1-(A)n-R2 and R1-(A)n-R3-(A)n-R4.R1=vinyl, acryloyloxy optionally substituted by halogen atom, methacryloyloxy optionally substituted by halogen atom, acryloyl thio or methacryloylthio;A=ethyleneoxy or propyleneoxy group;n=0 or 1-16;R2=1-10C alkyl optionally substituted by halogen and/or hydroxyl, 5-10C cycloalkyl optionally substituted by halogen, alkoxy and/or alkyl, 6-20C arylalkyl optionally substituted by alkoxy and/or alkyl, or 6-20C aryl optionally substituted by alkyl, alkoxy and/or halogen, and carbon atom of alkyl of arylalkyl is optionally substituted by sulfur atom;R4=R1, alkyl or alkoxy;andR3=1-10C alkylene optionally substituted by halogen and/or hydroxyl, 5-10C cycloalkylene optionally substituted by halogen, alkoxy and/or alkyl, 6-20C arylalkylene optionally substituted by alkoxy and/or alkyl, or 6-20C arylene optionally substituted by alkyl, alkoxy and/or halogen, and carbon atom of alkyl of arylalkylene is optionally substituted by sulfur atom.The high refractive index monomer is methylstyrene, methoxymethyl styrene, chloro styrene, dichloro styrene, bromostyrene, dibromostyrene, vinyl naphthalene, divinylbenzene, butyl ( alpha )-chloro (meth)acrylate, ethyl ( alpha )-chloro (meth)acrylate, 2-hydroxyethyl (meth)acrylate, 3-hydroxypropyl (meth)acrylate, 3-chloro-2-hydroxypropyl (meth)acrylate, methyl methacrylate, isoboronyl (meth)acrylate, cyclonohexyl (meth)acrylate, methyl ( alpha )-bromo (meth)acrylate, cyclohexyl ( alpha )-bromo (meth)acrylate, methyl cyclohexyl (meth)acrylate, trimethyl cyclohexyl (meth)acrylate, cyclohexane diol-di (meth)acrylate, chlorophenyl (meth)acrylate, pentachloro phenyl (meth)acrylate, bromo phenyl (meth)acrylate, 4,6-dibromo-2-alkylphenyl (meth)acrylate, phenyl (meth)acrylate, cyclohexyl phenyl (meth)acrylate, naphthyl (meth)acrylate, phenyl ( alpha )-bromo (meth)acrylate, phenoxy ethylene glycol (meth)acrylate, phenoxy diethylene glycol (meth)acrylate, 1-phenyl cyclohexyl (meth)acrylate, benzyl (meth)acrylate, phenyl ethyl (meth)acrylate, diphenyl ethyl (meth)acrylate, chlorobenzyl (meth)acrylate, bisphenol A diacrylate, ethoxylated bisphenol A diacrylate, propoxy-ized bisphenol A diacrylate, bisphenol A dimethacrylate, ethoxylated bisphenol A dimethacrylate, propoxy-ized bisphenol A dimethacrylate, bis (4-methacryloyl thiophenyl)sulfide, vinyl phenylsulfide and 4-methacryloxy phenyl-4-methoxyphenyl thioether, preferably naphthyl (meth)acrylate, chloro styrene, phenyl ( alpha )-bromo (meth)acrylate, pentachloro phenyl (meth)acrylate, bis (4-methacryloyl thiphenyl)sulfide, vinyl naphthalene, vinyl phenyl sulfide and 4-methacryloxy phenyl-4-methoxyphenyl thioether. Preferred Compound: The polyester unsaturated compound is unsaturated polyester or saturated polyester having (meth)acryloyl group. Preferred Composition: The content of electroconductive fine particles is 0.1-15 volume% with respect to polyester unsaturated compound.