CROSS DICHROIC PRISM, IMAGE DISPLAY MODULE, AND IMAGE DISPLAY DEVICE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200012021A1
SERIAL NO

16459696

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The cross dichroic prism according to the present disclosure includes four prisms and two dichroic mirrors. Each of the four prisms has a triangle-prism shape. The four prisms are arranged to form a quadrangular prism as a whole in a manner such that the ridge line portions are located close to each other, a first plane of one prism faces a second plane of another prism, and a third plane faces outward. Each of the two dichroic mirrors is constituted of a dielectric multilayer film provided between the first plane of one prism and the second plane of another prism. The outermost layer of a dielectric layer constituting the dielectric multilayer film is provided in contact with each of the first plane of the one prism and the second plane of the other prism.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION1-6 SHINJUKU 4-CHOME SHINJUKU-KU TOKYO 160-8801

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FUKASE, Akio Chino-shi, JP 15 60
YANO, Kunihiko Shiojiri-shi, JP 34 276

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