Light irradiation apparatus including a light shield

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United States of America Patent

PATENT NO 9994045
SERIAL NO

15329297

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed are a light irradiation apparatus that prevents or suppresses projection of light on adjoining other portions and can be miniaturized overall, and a photocurable material treatment apparatus that includes this light irradiation apparatus. The light irradiation apparatus includes: a light source having a plurality of light emitting elements arranged in the x direction; and an elongated cylindrical lens extending in the x direction along the light source unit. A light source reference plane that includes a center of a light emission surface of each light emitting element is located on a plane separated in the y direction from a lens reference plane that includes a center axis of the cylindrical lens. A direction of the light from the cylindrical lens is tilted in a direction away from the light source reference plane with respect to the lens reference plane

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Patent Owner(s)

Patent OwnerAddress
USHIO DENKI KABUSHIKI KAISHA2-6-1 OTE-MACHI CHIYODA-KU TOKYO 100-8150

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Enomoto, Koji Tokyo, JP 18 239
Kanahashi, Yoshihiro Tokyo, JP 11 18
Okazaki, Yoshio Tokyo, JP 15 119
Sato, Takumi Tokyo, JP 80 306
Sengoku, Norihiro Tokyo, JP 1 3
Yokokawa, Yoshihisa Tokyo, JP 12 70

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