Optical element

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United States of America Patent

PATENT NO 8477413
SERIAL NO

12740585

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical element for reflecting solar light has excellent weather resistance, and furthermore, a high reflectance in a wide band. When solar light enters an optical element (OE), light (L1) in a short wavelength band among the solar light is reflected by a dielectric multilayer film (DF). Other light (L2) in longer wavelength bands are passed through the dielectric multilayer film (DF), then a base material (SS), and reflected by a metal deposition film (MV) to pass through the base material (SS) and the dielectric multilayer film (DF). Thus, high reflectance in a wide band is ensured.

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Patent Owner(s)

  • KONICA MINOLTA OPTO, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatano, Takuji Suita, JP 59 553
Ishida, Kazuo Hachioji, JP 59 518
Mori, Nobuyoshi Hachioji, JP 69 607
Tokuhiro, Setsuo Tokorozawa, JP 12 53

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