F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
F21S41/25—Projection lenses
F21S41/275—Lens surfaces, e.g. coatings or surface structures
Landscapes
Engineering & Computer Science
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General Engineering & Computer Science
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Non-Portable Lighting Devices Or Systems Thereof
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Lighting Device Outwards From Vehicle And Optical Signal
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