Lamp projecting light wavelengths for general illumination and illumination that does not attract insects

Abstract

A lamp including a first group of solid state light emitters that produce a general illumination light mode. The general illumination light mode is provided by a first range of light wavelengths emitted by the first group of solid state light emitters having a correlated color temperature ranging from 2700K to 6500K. The lamp also includes a second group of solid state light emitters that emit a second range of light wavelengths that are not visible to insects in a substantially insect free illumination light mode. The second range of light wavelengths have a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm, that is equal to 5.8% or less. The lamp further includes the ability to switch between the two modes of light.

1 . A lamp assembly comprising:
 a housing including a body for containing light sources, the body having a first end for engagement to an electrical source for energizing the light sources contained within the body, and the body includes a second end having a lens through which the light sources emit light;   a first group of solid state light emitters providing one grouping of said light sources contained within the housing;   a second group of solid state light emitters providing another grouping of said light sources contained within the housing, wherein illuminated the second group of said light sources contained within the housing produces a substantially insect free illumination light mode;   a driver to illuminate only one of the first and second groups of solid state light emitters at a time so that the first and second groups of solid state light emitters can not emit light simultaneously; and   a controller in electrical communication with the driver that signals for switching between the first and second groups of solid state light emitters in response to a switch.   
     
     
         2 . The lamp assembly of  claim 1 , wherein the switch is external to the lamp assembly. 
     
     
         3 . The lamp assembly of  claim 1 , wherein the second group of the second solid state light emitters emit a second range of light wavelengths having a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm, that is equal to 5.8% or less. 
     
     
         4 . The lamp assembly of  claim 3 , wherein the first group of the first solid state light emitters emit a first range of light wavelengths for a general illumination light mode. 
     
     
         5 . The lamp assembly of  claim 4 , wherein the first range of light wavelengths emitted by the first group of solid state light emitters has a correlated color temperature (CCT) ranging from 2700K to 6500K. 
     
     
         6 . The lamp assembly of  claim 5 , wherein the second range of light wavelengths emitted by the second group of solid state light emitters have a correlated color temperature (CCT) ranging from 1000 K to 1400 K. 
     
     
         7 . The lamp assembly of  claim 4 , wherein the first range of light wavelengths emitted by the first group of solid state light emitters have a color rending index (CRI) ranging from 70 to 95. 
     
     
         8 . The lamp assembly of  claim 3 , wherein the second range of light wavelengths emitted by the second group of solid state light emitters have a distribution with peak wavelength between 620 nm to 630 nm. 
     
     
         9 . The lamp assembly of  claim 3 , wherein the second range of light wavelengths emitted by the second group of solid state light emitters emits said second range of light wavelengths having a full width half maximum between 70 nm and 85 nm. 
     
     
         10 . The lamp assembly of  claim 2 , wherein the controller providing said switching is based upon hysteresis of said switch being provided by a rocker lighting switch comprises a first rocker setting providing an off position, and a second rocker setting providing an on position, wherein in turning the lamp assembly on by a first toggling of the rocker lighting switch from the off position to the on position illuminates said first group of solid state light emitters providing a general illumination light mode, and wherein a second toggling of the rocker lighting switch from the on position to the off position de-illuminates the first group of solid state light emitters, and illuminates said second group of solid state light emitters providing said substantially insect free illumination mode. 
     
     
         11 . The lamp assembly comprising:
 a housing including a body for containing light sources, the body having a first end for engagement to an electrical source for energizing the light sources contained within the body, and the body includes a second end having a lens through which the light sources emit light;   a first group of solid state light emitters providing one grouping of said light sources contained within the housing, wherein illuminated the first group of solid state light emitters produces a general illumination light mode; and   a second group of solid state light emitters providing another grouping of said light sources contained within the housing, wherein illuminated the second group of said light sources contained within the housing emit a second range of light wavelengths that are not visible to insects for a substantially insect free illumination light mode, the second range of light wavelengths having a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm that is equal to 5.8% or less.   
     
     
         12 . The lamp assembly of  claim 11 , wherein the second group of solid state light emitters includes at least two LED types each LED type emitting a different spectra of wavelengths of lights. 
     
     
         13 . The lamp assembly of  claim 11 , wherein the second range of light wavelengths have a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm, that is equal to 4.5% or less. 
     
     
         14 . The lamp assembly of  claim 11 , wherein the second range of light wavelengths have a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm, that is equal to 1.5% or less. 
     
     
         15 . The lamp assembly of  claim 14 , wherein the second group of solid state light emitters includes a string of light emitting diodes comprising a single LED type that emits a single spectra of wavelengths of light. 
     
     
         16 . An illumination method comprising:
 installing a lamp having a first grouping of solid state light sources for a general lighting mode of the lamp that emits first light wavelengths that include light that is visible to insects, and a second grouping of solid state light sources that emits second light wavelengths that in their majority are not visible to insects, the second light wavelengths having a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm, that is equal to 5.8% or less; and   energizing only one of the first and second groupings of solid state light sources at a time in response to a switch.   
     
     
         17 . The illumination method of  claim 16 , wherein said energizing is responsive to the switch that is external from a lamp housing, wherein said switching is provided by a controller in a driver for said energizing only one grouping of the solid state light sources at a time. 
     
     
         18 . The illumination method of  claim 16 , wherein a second range of light wavelengths emitted by the second group of solid state light emitters have a distribution with peak wavelength between 620 nm to 630 nm. 
     
     
         19 . The illumination method of  claim 17 , wherein the controller providing said energizing of only one grouping of the solid state light sources at a time is based upon hysteresis of a rocker lighting switch, the rocker lighting switch comprising a first rocker setting providing an off position, and a second rocker setting providing an on position, wherein in turning the lamp on by a first toggling of the rocker lighting switch from the off position to the on position illuminates said first group of solid state light emitters providing said general illumination light mode, and wherein a second toggling of the rocker lighting switch from the on position to the off position de-illuminates the first group of solid state light emitters, and illuminates said second group of solid state light emitters providing said substantially insect free illumination mode. 
     
     
         20 . The illumination method of  claim 16 , wherein the second light wavelengths have a spectral power ratio of wavelengths of less than substantially 550 nm to a total spectra of less than 700 nm, that is equal to 1.5% or less.