An optical device includes a protective cover and a driver. An outer surface of the protective cover includes a first region having higher hydrophobicity than a second region. The first region is separated from the second region by a first boundary line extending from a starting point deviating from a center point of the protective cover in the direction toward an outer edge portion of the protective cover and a second boundary line extending from the starting point in the direction toward the outer edge portion of the protective cover, and which is located on a side where the center point is not included. Among angles defined by the first and second boundary lines, an angle on the side where the center point is not included is equal to or less than about 180°.
Optical device and optical unit including optical device
2023-11-21
Patent
Electronic Resource
English
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / B08B Reinigen allgemein , CLEANING IN GENERAL / C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen / H10N |
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