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US 10,502,383 B2Granted
Vehicle headlamp
AssigneeKoito Manufacturing Co., Ltd.
InventorsNaoki Uchida, Honami Fujii, Kazuomi Murakami
Life of this patent
Estimating the term…
Abstract
A vehicle headlamp includes an excitation light source; a light deflector configured to receive light from the excitation light source and two-dimensionally scan the light received from the excitation light source; and a projection lens that transmits the light scanned by the light deflector. The vehicle headlamp includes a first auxiliary lens that is arranged between the light deflector and the projection lens so as to transmit the light scanned by the light deflector toward the projection lens, and the first auxiliary lens has a negative force.
Claims8
A vehicle headlamp comprising:
- an excitation light source;
- a light deflector configured to receive light from the excitation light source and two-dimensionally scan the light received from the excitation light source;
- a projection lens that transmits the light scanned by the light deflector;
- a first auxiliary lens arranged between the light deflector and the projection lens;
- and
- a phosphor arranged between the first auxiliary lens and the projection lens, the phosphor configured to generate and transmit white light directly to the projection lens,
- wherein the first auxiliary lens is configured to transmit the light scanned by the light deflector toward the projection lens, and the first auxiliary lens has a negative power.
4 more elements
Dependencies are inferred from the claim text.