Optical: systems and elements – Lens – With multipart element
Patent
1996-07-29
1998-09-08
Rodee, Christopher D.
Optical: systems and elements
Lens
With multipart element
522 96, 522104, 522107, 522171, 522 93, 522174, 522182, 359743, G02B 308
Patent
active
058053581
ABSTRACT:
containing hydroxyl group and aromatic ring (A1), a urethane group-containing (meth)acrylate (A2) comprising an aromatic diol, an aromatic ring-containing monofunctional (meth)acrylate (A3), and a di(meth)acrylate monomer (A4), and (B), further supplemented with a polyester (C1) comprising an aromatic diol and a phosphate (C2) for the formation of a Fresnel lens on a sheet or plate made of a methyl methacrylate (co)polymer; a Fresnel lens formed by UV cure of composition carrying said Fresnel lens. The Fresnel lens has high refractive index, antistatic properties and is satisfactory in adhesion to a sheet or plate.
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Honda Makoto
Okubo Michiharu
Osawa Futoshi
Yamashita Tsutomu
Dainippon Printing Co., Ltd.
Rodee Christopher D.
Sanyo Chemical Industries Ltd.
Ver Steeg Steven H.
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