Lighting apparatus and automobile including the same
Lighting apparatus for a vehicle includes: night-time low beam light source which mainly illuminates a lower front region in front of the vehicle; and daytime light source which mainly illuminates an overhead region above the lower front region.
1. A lighting apparatus for a vehicle, comprising:
a night-time low beam light source which mainly illuminates a lower front region in front of the vehicle; and
a daytime light source which mainly illuminates an overhead region that is an upper region above the lower front region.
2. The lighting apparatus according to claim 1 ,
wherein the daytime light source is disposed on at least part of a periphery of the night-time low beam light source.
3. The lighting apparatus according to claim 1 ,
wherein the daytime light source emits less light when the night-time low beam light source is ON than when the night-time low beam light source is OFF.
4. The lighting apparatus according to claim 1 ,
wherein an S/P (scotopic vision luminance/photopic vision luminance) ratio of light emitted by the daytime light source is at least 2.0.
5. An automobile comprising:
the lighting apparatus according to claim 1 ; and
a vehicle body including the lighting apparatus in a front portion.
6. The lighting apparatus according to claim 1 , further comprising:
a plurality of the daytime light source.
7. The lighting apparatus according to claim 6 , wherein
the plurality of the daytime light source surround the night-time low beam light source.
8. The lighting apparatus according to claim 7 , wherein
the plurality of the daytime light source annularly surround the night-time low beam light source.
9. The lighting apparatus according to claim 7 , wherein
the plurality of the daytime light source is evenly spaced about the night-time low beam light source.
10. The lighting apparatus according to claim 7 , wherein
the plurality of the daytime light source includes a first light-emitting device and a second light-emitting device different than the first light-emitting device.
11. The lighting apparatus according to claim 10 , wherein
the first light-emitting device and the second light-emitting device are alternately disposed about the night-time low beam light source.
12. The lighting apparatus according to claim 11 , wherein
the first light-emitting device and the second light-emitting device are alternately disposed about the night-time low beam light source at regular intervals.
13. The lighting apparatus according to claim 10 , wherein
the first light-emitting device includes a blue LED chip and a first yellow phosphor, and
the second light-emitting device includes a blue LED chip and a pair of second yellow phosphors, each of the pair of the second yellow phosphors being different than the first yellow phosphor.
14. The lighting apparatus according to claim 10 , wherein
the first light-emitting device and the second light-emitting device are configured to emit light at different times.
15. The lighting apparatus according to claim 14 , wherein
the second light-emitting device is configured to emit light when the night-time low beam light source illuminates the lower front region in front of the vehicle.
16. The lighting apparatus according to claim 7 , wherein
the plurality of the daytime light source is evenly and circumferentially spaced about the night-time low beam light source.
17. The lighting apparatus according to claim 6 , wherein
the plurality of the daytime light source at least partially surround the night-time low beam light source.
18. The lighting apparatus according to claim 6 , wherein
a pair of the plurality of the daytime light source is disposed opposite the night-time low beam light source, with the night-time low beam light source being between the pair of the plurality of the daytime light source.
19. A lighting apparatus for a vehicle, comprising:
a night-time low beam light source which mainly illuminates a lower front region in front of the vehicle; and
a daytime light source which mainly illuminates an overhead region that is an upper region above the lower front region,
wherein the daytime light source includes:
a first light-emitting device; and
a second light-emitting device having an S/P ratio higher than an S/P ratio of the first light-emitting device, and
the second light-emitting device emits light when the night-time low beam light source is ON.
20. An automobile, comprising:
a lighting apparatus including a night-time low beam light source and a daytime light source;
a vehicle body including the lighting apparatus in a front portion; and
at least one of a processor or a circuit configured to provide an alert to a driver of the automobile in the case where the daytime light source is OFF when the night-time low beam light source is ON,
wherein the night-time low beam light source mainly illuminates a lower front region in front of the automobile, and
the daytime light source mainly illuminates an overhead region that is an upper region above the lower front region.