LIGHTING SYSTEM FOR A VEHICLE, WITH HIGH-INTENSITY POWER LED
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Abstract
A lighting system for a vehicle comprises a sealed unitary light module including at least one high-intensity power light emitting diode operates with a luminous efficiency of at least about 7 lumens per watt when passing a forward current of at least about 350 milliamps and that emits a luminous flux of at least about 25 lumens when operated at its operating voltage. The sealed unitary light module is removable as a unit from the vehicle and includes a heat dissipating element and a lens.
204 Citations
74 Claims
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37. A lighting system for a vehicle, the vehicle having a battery/ignition voltage, said lighting system comprising:
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a sealed unitary light module; said sealed unitary light module comprising at least one high-intensity power light emitting diode; said high-intensity power light emitting diode emitting with a luminous efficiency of at least about 7 lumens per watt and passing a forward current of at least about 350 milliamps when operated at its operating voltage; wherein said high-intensity power light emitting diode emits white light with a luminous flux of at least about 25 lumens when operated at its operating voltage; said sealed unitary light module including a heat dissipating element and wherein said high-intensity power light emitting diode thermally couples to said heat dissipating element; said sealed unitary light module including a lens; a voltage converter, said voltage converter comprising a DC to DC converter; wherein said sealed unitary module is removable from the vehicle as a unit; and wherein a pulse width modulated duty cycle voltage is applied to power said high-intensity power light emitting diode. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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51. A lighting system for a vehicle, the vehicle having a battery/ignition voltage, said lighting system comprising:
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a sealed unitary light module disposed at an exterior portion of the vehicle; said sealed unitary light module comprising at least one high-intensity power light emitting diode; said high-intensity power light emitting diode emitting with a luminous efficiency of at least about 7 lumens per watt and passing a forward current of at least about 350 milliamps when operated at its operating voltage; wherein said high-intensity power light emitting diode emits white light with a luminous flux of at least about 25 lumens when operated at its operating voltage; said sealed unitary light module including a heat dissipating element and wherein said high-intensity power light emitting diode thermally couples to said heat dissipating element; said sealed unitary light module including a lens; a voltage converter, said voltage converter comprising a DC to DC converter; wherein said sealed unitary module is removable from the exterior portion of the vehicle as a unit; and wherein said light module includes a light piping element and wherein said high-intensity power light emitting diode optically couples with said light piping element. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64)
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65. A lighting system for a vehicle, the vehicle having a battery/ignition voltage, said lighting system comprising:
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a sealed unitary light module disposed at an exterior portion of the vehicle; said sealed unitary light module comprising at least one high-intensity power light emitting diode; said high-intensity power light emitting diode emitting with a luminous efficiency of at least about 7 lumens per watt and passing a forward current of at least about 350 milliamps when operated at its operating voltage; wherein said high-intensity power light emitting diode emits white light with a luminous flux of at least about 25 lumens when operated at its operating voltage; said sealed unitary light module including a heat dissipating element, and wherein said high-intensity power light emitting diode thermally couples to said heat dissipating element; said sealed unitary light module including a lens; a voltage converter, said voltage converter comprising a DC to DC converter; wherein said sealed unitary module is removable from the exterior portion of the vehicle as a unit; and wherein said light module connects to a vehicle network system. - View Dependent Claims (66, 67, 68, 69, 70, 71, 72, 73, 74)
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Specification