Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norimasa Yoshida
Date of Patent
October 10, 2023
Patent Application Number
17725991
Date Filed
April 21, 2022
Patent Citations
Patent Primary Examiner
Patent abstract
A light-emitting device includes: a light-emitting unit having a light-emitting surface; a light guide member configured to guide incident light from the light-emitting unit, the light guide member including: a total reflection portion configured to reflect the incident light from the light-emitting unit, and a Fresnel lens portion where light reflected by the total reflection portion is incident; and a movement mechanism configured to move the light guide member relative to the light-emitting unit in a direction that intersects a center axis of the light-emitting surface.
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