Lighting device and method of lighting
DCFirst Claim
1. A lighting device comprising at least one solid state light emitter, said lighting device, when supplied with electricity of a first wattage, emitting output light having a wall plug efficiency of at least 85 lumens per watt of said electricity.
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Accused Products
Abstract
There is provided a lighting device which emits light with an wall plug efficiency of at least 85 lumens per watt. The lighting device comprises at least one solid state light emitter, e.g., one or more light emitting diodes, and optionally further includes one or more luminescent material. In some embodiments, the output light is of a brightness of at least 300 lumens. In some embodiments, the output light has a CRI Ra of at least 90. Also, a method of lighting, comprising supplying electricity to a lighting device which emits light with a wall plug efficiency of at least 85 lumens per watt.
33 Citations
26 Claims
- 1. A lighting device comprising at least one solid state light emitter, said lighting device, when supplied with electricity of a first wattage, emitting output light having a wall plug efficiency of at least 85 lumens per watt of said electricity.
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6. A lighting device as recited in claim , wherein said lighting device further comprises at least one luminescent material.
- 17. A method of lighting, comprising supplying electricity to a lighting device comprising at least one solid state light emitter, causing the lighting device to emit light at a wall plug efficiency of at least 85 lumens per watt of said electricity.
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24. A method of lighting, comprising:
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providing a lighting device that uses power of a first wattage; providing at least one solid state light emitter; and emitting light that has a wall plug efficiency of at least 85 lumens per watt of power.
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Specification