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US 12,000,558 B1Granted
Lens assembly
AssigneeHyundai Mobis Co., Ltd.
InventorYoung Geun Jun
Life of this patent
Estimating the term…
Abstract
Provided is a lens assembly applied to a head lamp, and the lens assembly may fix each of a plurality of lenses in an appropriate position to maintain an appropriate distance between the light source and the lens, thereby acquiring a resolution required by a high-resolution adaptive driving beam (ADB) lamp.
Claims10
A lens assembly comprising:
- a lens unit including a plurality of lenses arranged along an optical axis of a light source unit comprising a light source;
- a cam unit having a cylindrical shape, accommodating the lens unit, and having a through hole in a side surface thereof;
- a first barrel unit including
- a first barrel having a cylindrical shape, accommodating the cam unit, and having a fixing hole positioned in a side surface of the first barrel to correspond to the through hole, and
- a flange positioned at one end of the first barrel and coupled to the light source unit;
- and
- a second barrel unit including:
- a second barrel having a cylindrical shape, accommodating the first barrel, and having a moving hole positioned in a side surface of the second barrel to correspond to the fixing hole, the moving hole having a prescribed length in an oblique direction, and
- a coupling protruding radially from an outer surface of one end of the second barrel with which to rotate the second barrel.
6 more elements
Dependencies are inferred from the claim text.