Wavelength conversion element, light source device, and projector

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United States of America Patent

PATENT NO 9874741
SERIAL NO

14854541

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Abstract

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A wavelength conversion element includes a substrate, a reflecting section disposed on one surface side of the substrate, a wavelength conversion layer disposed on an opposite side of the reflecting section to the substrate, and emitting fluorescence in response to irradiation with excitation light, and a reflecting surface disposed between a surface of the wavelength conversion layer on an opposite side to the reflecting section and the reflecting section, and adapted to totally reflect light having been input at an angle no smaller than a critical angle out of the fluorescence.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Egawa, Akira Shiojiri, JP 165 1348
Nojima, Shigeo Azumino, JP 33 372
Shimizu, Tetsuo Matsumoto, JP 204 2392

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