Bi-functional headlight module
View Patent ↗A bifunctional LED headlamp for a vehicle is disclosed, wherein at least one of a shield, a lens, a reflector, and an LED are movable to facilitate use of the headlamp in both a low beam mode and a high beam mode.
1. A headlamp for a vehicle comprising:
a headlamp body; and
a plurality of lighting modules disposed in said headlamp body, wherein said modules include
a first lighting module comprising a light-emitting element adapted to be connected to a source of electricity; a reflector disposed adjacent said light-emitting element; a non-pivoting shield spaced from said reflector and having a reflective upper surface; and a lens spaced from said reflector and said shield, wherein said reflector is adapted to direct light rays emitted from said light-emitting element to the reflective upper surface of said shield and said shield is adapted to reflect the light rays directed onto the reflective upper surface thereof directly to said lens, wherein one of said shield and said lens is movable in at least one of a vertical direction (V) and a horizontal direction (H) to change the lighting module between operation in a low beam mode and a high beam mode, wherein the vertical direction (V) and the horizontal direction (H) are in relation to a plane defined by a position of said light-emitting element and said lens; and
a second lighting module comprising a reflector having a plurality of sidewalls and adapted to reflect light rays in a desired direction; a light-emitting element adapted to be connected to a source of electricity and to emit light rays, said light-emitting element disposed substantially outside of a void space defined by the plurality of sidewalls of said reflector, wherein at least one of said light-emitting element and said reflector is movable in a horizontal direction (F) with respect to an other of said light-emitting element and said reflector to change the lighting module between operation in a low beam mode and a high beam mode.
2. The headlamp according to claim 1 , wherein the first lighting module is a projector-reflector type.
3. The headlamp according to claim 1 , wherein the second lighting module is a reflector type.
4. The headlamp according to claim 1 , wherein said light modules are arranged in rows.
5. The headlamp according to claim 1 , further comprising at least one high beam lighting module operable only in a high beam mode.
6. The headlamp according to claim 5 , wherein said high beam lighting module includes a near field lens.
7. The headlamp according to claim 6 , wherein the near field lens includes a frusto-conical portion with a refractive inner surface adapted to refract light from the light-emitting element and direct the light in a desired direction for the high beam mode.
8. The headlamp according to claim 1 , wherein the reflective upper surface of the shield is substantially planar.
9. A headlamp for a vehicle comprising:
a headlamp body; and
a plurality of lighting modules disposed in said headlamp body, wherein said modules include
at least one high beam lighting module operable only in a high beam mode;
a first lighting module comprising a stationary light-emitting element adapted to be connected to a source of electricity; a reflector disposed adjacent said light-emitting element; a non-pivoting shield spaced from said reflector and having a reflective upper surface; and a lens spaced from said reflector and said shield, wherein said reflector is adapted to direct light rays emitted from said light-emitting element to the reflective upper surface of said shield and said shield is adapted to reflect the light rays directed onto the reflective upper surface thereof directly to said lens, wherein one of said shield and said lens is movable in at least one of a vertical direction (V) and a horizontal direction (H) to change the lighting module between operation in a low beam mode and a high beam mode, wherein the vertical direction (V) and the horizontal direction (H) are in relation to a plane defined by a position of said light-emitting element and said lens; and
a second lighting module comprising a reflector having a plurality of sidewalls and adapted to reflect light rays in a desired direction; a light-emitting element adapted to be connected to a source of electricity and to emit light rays, said light-emitting element disposed substantially outside of a void space defined by the plurality of sidewalls of said reflector, wherein at least one of said light-emitting element and said reflector is movable in a horizontal direction (F) with respect to an other of said light-emitting element and said reflector to change the lighting module between operation in a low beam mode and a high beam mode.
10. The headlamp according to claim 9 , wherein the second lighting module is a reflector type.
11. The headlamp according to claim 9 , wherein said light modules are arranged in rows.
12. The headlamp according to claim 9 , wherein said high beam lighting module includes a near field lens.
13. A headlamp for a vehicle comprising a plurality of lighting modules disposed in a headlamp body, the lighting modules including:
a plurality of high beam lighting modules operable only in a high beam mode, one high beam lighting module comprising a light-emitting element adapted to be connected to a source of electricity; and a near field lens having a frusto-conical portion with a refractive inner surface, the near-field lens adapted to refract light from the light-emitting element and direct the light in a desired direction;
a plurality of projector-reflector type lighting modules, one projector-reflector type lighting module comprising a light-emitting element adapted to be connected to a source of electricity; a reflector disposed adjacent said light-emitting element; a non-pivoting shield spaced from said reflector and having a reflective upper surface; and a lens spaced from said reflector and said shield, wherein said reflector is adapted to direct light rays emitted from said light-emitting element to the reflective upper surface of said shield and said shield is adapted to reflect the light rays directed onto the reflective upper surface thereof directly to said lens, wherein one of said shield and said lens is movable in at least one of a vertical direction (V) and a horizontal direction (H) to change the lighting module between operation in a low beam mode and a high beam mode, wherein the vertical direction (V) and the horizontal direction (H) are in relation to a plane defined by a position of said light-emitting element and said lens; and
a plurality of reflector type lighting modules, one reflector type lighting module comprising a reflector having a plurality of sidewalls and adapted to reflect light rays in a desired direction; a light-emitting element adapted to be connected to a source of electricity and to emit light rays, said light-emitting element disposed substantially outside of a void space defined by the plurality of sidewalls of said reflector, wherein at least one of said light-emitting element and said reflector is movable in a horizontal direction (F) with respect to an other of said light-emitting element and said reflector to change the lighting module between operation in a low beam mode and a high beam mode.
14. The headlamp according to claim 13 , wherein the reflective upper surface of the shield is substantially planar.
15. The headlamp according to claim 13 , wherein said light modules are arranged in rows.
16. The headlamp according to claim 13 , wherein one of the plurality of projector-reflector type lighting modules only has a lens movable to change between operation in the low beam mode and the high beam mode, and an other of the plurality of projector-reflector type lighting modules only has a shield movable to change between operation in the low beam mode and the high beam mode.