Observation optical system and display apparatus

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United States of America Patent

PATENT NO 11940623
APP PUB NO 20210033868A1
SERIAL NO

16934411

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Abstract

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An optical system configured to guide a light beam from a display element includes a positive lens, a negative lens, and an optical element having at least three optical surfaces. The light beam from the display element is reflected a plurality of times inside the optical element via the positive lens and the negative lens, and then travels to an exit pupil. A predetermined condition is satisfied.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoguchi, Kazutaka Tokyo, JP 53 1762

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