Display device using coherent light beam and vehicle based thereon

A display device includes: a light source configured to generate a coherent light beam; and an optical plate including a plurality of microlenses arranged with a period larger than the diameter of the light beam, the optical plate being configured to control the divergence angle of the light beam.

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Bibliographic Details
Main Authors OKUMURA HARUHIKO, HORIUCHI KAZUO, SASAKI TAKASHI, OKADA NAOTADA
Format Patent
LanguageEnglish
Published 01.09.2015
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:A display device includes: a light source configured to generate a coherent light beam; and an optical plate including a plurality of microlenses arranged with a period larger than the diameter of the light beam, the optical plate being configured to control the divergence angle of the light beam.
Bibliography:Application Number: US20080323818