Light guide member and display device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12265225
APP PUB NO 20230280592A1
SERIAL NO

18008183

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Importance

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Abstract

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A light guide member (300) includes a boundary surface (304) configured to reflect image light guided to the boundary surface (304) and emit the image light outside the light guide member (300), an opposing surface (306) parallel to the boundary surface (304), the opposing surface (306) facing the boundary surface (304), a first inclined surface (305) having an inclination in which a distance between the first inclined surface (305) and the boundary surface (304) decreases in a guiding direction of the image light, and a second inclined surface (307) between the opposing surface (306) and the first inclined surface (305), the second inclined surface (307) inclined at a different angle with the first inclined surface (305) in the guiding direction.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Aino Kanagawa, JP 19 154
Hirano, Shigenobu Kanagawa, JP 59 963
Igarashi, Norikazu Kanagawa, JP 13 65
Itoh, Masahiro Kanagawa, JP 114 1428
Kameyama, Kenji Kanagawa, JP 47 426
Katano, Yasuo Kanagawa, JP 98 1726
Maki, Takashi Kanagawa, JP 53 616
Momma, Susumu Kanagawa, JP 16 46
Nakamura, Naoki Saitama, JP 151 876
Okazaki, Shun Tokyo, JP 8 5
Sudoh, Yoshifumi Kanagawa, JP 45 645
Yamada, Masamichi Kanagawa, JP 135 1470

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