Propagation optical system, virtual image display apparatus, and head-mounted display

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United States of America Patent

PATENT NO 12117668
APP PUB NO 20230088184A1
SERIAL NO

17943216

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Abstract

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In a propagation optical system to propagate light from an image display element to a light guide element, the propagation optical system includes: a prism having a first surface having negative power to which light emitted from the image display element enters; and a lens group having positive power. The prism and the lens group are arranged between the image display element and the light guide element along an optical axis, and the prism is closer to the image display element than to the light guide element.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 1438555 ?1438555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sudoh, Yoshifumi Kanagawa, JP 45 645

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