ENHANCEMENTS FOR LED LAMPS FOR USE IN LUMINAIRES
First Claim
1. A lamp, comprising:
- a bulb;
a solid state source comprising a plurality of light emitting diodes (LEDs), configured to cause the lamp to emit a visible light output via the bulb, the plurality of light emitting diodes (LEDs) being configured such that;
at least one of the LEDs being configured as a first controllable channel for producing light of a first substantially white color characteristic; and
at least one of the LEDs being configured as a second channel independently controllable from the first channel and configured for producing light of a second color characteristic different from the first substantially white color characteristic;
a lighting industry standard lamp base, including connectors arranged in a standard three-way lamp configuration, for providing electricity from a three-way lamp socket;
a housing supporting the bulb in a position to receive light from the solid state source, the housing being mechanically connected to the lamp base; and
circuitry supported by the housing connected to receive electricity from the connectors of the lamp base as standard three-way control setting inputs, wherein the circuitry is configured to;
detect the standard three-way control setting inputs; and
adjust drive currents applied to the first and second controllable LED channels to selectively produce visible light outputs of the lamp of three different light characteristics via the bulb responsive to the three-way control setting inputs, wherein at least two of the different light characteristics differ as to color characteristics of combined white light output from the lamp via the bulb.
1 Assignment
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Accused Products
Abstract
One example solid state lighting type lamp for a three-way luminaire includes a power source, a controller, an output stage, switching logic circuitry and multiple sets of light emitters. The logic circuitry receives input signals from tip and ring power contacts on a lamp base. The controller provides power from the power source to the output stage which is controlled by the switch logic circuitry to selectively apply power to different ones of the sets of light emitters responsive to the input signals. Each set of light emitters emit light having different color temperatures. In another three-way luminaire example, the control circuitry is configured to control drive current in a sequence to toggle the lamp consecutively between an OFF state and ON state in response to inputs from a three-way socket. Another type of lamp includes circuitry to permanently disable the lamp on detection of an end-of-life condition.
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Citations
23 Claims
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1. A lamp, comprising:
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a bulb; a solid state source comprising a plurality of light emitting diodes (LEDs), configured to cause the lamp to emit a visible light output via the bulb, the plurality of light emitting diodes (LEDs) being configured such that; at least one of the LEDs being configured as a first controllable channel for producing light of a first substantially white color characteristic; and at least one of the LEDs being configured as a second channel independently controllable from the first channel and configured for producing light of a second color characteristic different from the first substantially white color characteristic; a lighting industry standard lamp base, including connectors arranged in a standard three-way lamp configuration, for providing electricity from a three-way lamp socket; a housing supporting the bulb in a position to receive light from the solid state source, the housing being mechanically connected to the lamp base; and circuitry supported by the housing connected to receive electricity from the connectors of the lamp base as standard three-way control setting inputs, wherein the circuitry is configured to; detect the standard three-way control setting inputs; and adjust drive currents applied to the first and second controllable LED channels to selectively produce visible light outputs of the lamp of three different light characteristics via the bulb responsive to the three-way control setting inputs, wherein at least two of the different light characteristics differ as to color characteristics of combined white light output from the lamp via the bulb. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A lamp, comprising:
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a bulb; a solid state source comprising a plurality of light emitting diodes (LEDs), configured to cause the lamp to emit a visible light output via the bulb; a lighting industry standard lamp base, including connectors arranged in a standard three-way lamp configuration, for providing electricity from a three-way lamp socket; a housing supporting the bulb in a position to receive light from the solid state source, the housing being mechanically connected to the lamp base; and circuitry in the housing connected to receive electricity from the connectors of the lamp base as standard three-way control setting inputs, wherein the circuitry is configured to; detect the standard three-way control setting inputs; and to control drive current applied to the LEDs in a sequence to toggle the solid state source consecutively between an OFF state and ON state.
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12. A lighting device, comprising:
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a solid state source comprising a plurality of light emitting diodes (LEDs), configured to cause the device to emit a visible light output; a drive circuit to supply current to drive the LEDs; and a controller coupled to the drive circuit configured to; measure an operational parameter of the LEDs; and upon the measured operational parameter of the lighting device reaching a threshold value related to a planned usage lifetime for the lighting device, permanently disabling the lighting device to prevent further operation. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification