US Pat. No. 9,526,143

SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting Inc, L...

1. A semiconductor light emitting device, comprising:
a first light emitting diode (LED) string that comprises a first LED that has a first recipient luminophoric medium that comprises
a first luminescent material, wherein the first LED and first luminophoric medium together emit a first unsaturated light
having a first color point within a blue color range defined by a line connecting the ccx, ccy color coordinates of the infinity
point of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT, the constant
CCT line of 4000K, the line of purples, and the spectral locus;

a second LED string that comprises a second LED that has a second recipient luminophoric medium that comprises a second luminescent
material, wherein the second LED and second luminophoric medium together emit a second unsaturated light having a second color
point within a red color range defined by the spectral locus between the constant CCT line of 1600K and the line of purples,
the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT
line of 1600K;

a third LED string that comprises a third LED that has a third recipient luminophoric medium that comprises a third luminescent
material, wherein the third LED and third luminophoric medium together emit a third unsaturated light having a third color
point within a yellow/green color range defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K,
the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);

a fourth LED string that comprises a fourth LED that has a fourth recipient luminophoric medium that comprises a fourth luminescent
material, wherein the fourth LED and fourth luminophoric medium together emit a fourth unsaturated light having a fourth color
point within a cyan color range defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72),
the constant CCT line of 9000K, the Planckian locus between 9000K and 4600K, the constant CCT line of 4600K, and the spectral
locus; and

a drive circuit that is responsive to input from one or more of an end user of the semiconductor light emitting device and
one or more sensors measuring a characteristic associated with the performance of the semiconductor light emitting device,

wherein the drive circuit is configured to adjust the relative values of first, second, third, and fourth drive currents provided
to the LEDs in the first, second, third, and fourth LED strings, respectively, to adjust a fifth color point of a fifth unsaturated
light that results from a combination of the first, second, third, and fourth unsaturated light.

US Pat. No. 9,609,715

SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting Inc., ...

1. A semiconductor light emitting device comprising:
a first light emitting diode (“LED”) string that comprises a first LED that has a first recipient luminophoric medium that
comprises a first luminescent material, wherein the first LED and first luminophoric medium together emit a first unsaturated
light having a first color point within a blue color range defined by a line connecting the ccx, ccy color coordinates of
the infinity point of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT,
the constant CCT line of 4000K, the line of purples, and the spectral locus;

a second LED string that comprises a second LED that has a second recipient luminophoric medium that comprises a second luminescent
material, wherein the second LED and second luminophoric medium together emit a second unsaturated light having a second color
point within a red color range defined by the spectral locus between the constant CCT line of 1600K and the line of purples,
the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT
line of 1600K;

a third LED string that comprises a third LED that has a third recipient luminophoric medium that comprises a third luminescent
material, wherein the third LED and third luminophoric medium together emit a third unsaturated light having a third color
point within a yellow/green color range defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K,
the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);

a fourth LED string that comprises a fourth LED that has a fourth recipient luminophoric medium that comprises a fourth luminescent
material, wherein the fourth LED and fourth luminophoric medium together emit a fourth unsaturated light having a fourth color
point within a cyan color range defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72),
the constant CCT line of 9000K, the Planckian locus between 9000K and 4600K, the constant CCT line of 4600K, and the spectral
locus;

a drive circuit that is responsive to input from one or more of an end user of the semiconductor light emitting device and
one or more sensors measuring a characteristic associated with the performance of the semiconductor light emitting device,

wherein the drive circuit is configured to adjust the relative values of first, second, third, and fourth drive currents provided
to the LEDs in the first, second, third, and fourth LED strings, respectively, to adjust a fifth color point of a fifth unsaturated
light that results from a combination of the first, second, third, and fourth unsaturated light and,

wherein the blue color range comprises a region on the 1931 CIE Chromaticity Diagram defined by a 60-step MacAdam ellipse
at 20000K, 40 points below the Planckian locus.

US Pat. No. 9,568,665

LIGHTING SYSTEMS INCLUDING LENS MODULES FOR SELECTABLE LIGHT DISTRIBUTION

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:
a lighting module including a semiconductor light-emitting device configured for emitting light emissions along a central
light emission axis;

a first lens module including a first converging lens, the first converging lens being configured for causing convergence
of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central
light emission axis having a first half-width-half-maximum (HWHM), the first converging lens having a first light output surface
being spaced apart along a first lens axis from a first light input surface, the first converging lens further having a first
total internal reflection side surface being spaced apart around the first lens axis and having a first frusto-conical shape
extending between the first light input and output surfaces of the first converging lens;

a second lens module including a second converging lens, the second converging lens being configured for causing convergence
of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central
light emission axis having a second HWHM being different than the first HWHM, the second converging lens having a second light
output surface being spaced apart along a second lens axis from a second light input surface, the second converging lens further
having a second total internal reflection side surface being spaced apart around the second lens axis and having a second
frusto-conical shape extending between the second light input and output surfaces of the second converging lens; and

a third lens module including a first diverging lens having a third lens axis, the first diverging lens being configured for
causing divergence of some of the converged light emissions away from the third lens axis by a third HWHM to form diverged
light emissions that diverge away from the central light emission axis, the first diverging lens having a third light output
surface being spaced apart along the third lens axis from a third light input surface, the third light input surface including
a first lens screen having lenticular or microprismatic features;

wherein the lighting system is configured for detachably installing the first lens module or the second lens module in the
lighting module between the semiconductor light-emitting device and the third lens module; and wherein the lighting system
is configured for aligning the first or second lens axis with the central light emission axis and the third lens axis.

US Pat. No. 9,642,202

SYSTEMS AND METHODS FOR DIMMING OF A LIGHT SOURCE

ECOSENSE LIGHTING INC., ...

1. A system for dimming a lamp, comprising:
a lamp electronics facility with an operational duty cycle and providing power to a lamp light source, wherein the lamp electronics
facility is adapted to accept a dimming input signal to control a dimming function;

wherein the lamp electronics facility includes a fast startup dimming control override facility that overrides the dimming
input signal during startup of the lamp to override the dimming function through forcing the lamp electronics facility to
operate with a higher than operational duty cycle to deliver higher than operational power to the lamp light source during
a startup condition; and

wherein the lamp electronics facility is adapted to remove the override condition when an operational current level is reached,
being that level required to produce an illumination level by the lamp light source that corresponds to the dimming input
signal to the lamp light source.

US Pat. No. 9,565,782

FIELD REPLACEABLE POWER SUPPLY CARTRIDGE

ECOSENSE LIGHTING INC., ...

1. A field replaceable LED driver system, comprising:
an LED driver cartridge body, the cartridge body having a key feature defined on a bottom side of the cartridge body;
one or more gripping members spring loaded relative to a portion of the cartridge body, the one or more ripping members configured
to actuate one or more latches and configured to be pushed by a user to move the one or more latches inward relative to the
cartridge body;

an electrical connector on the bottom side of the cartridge body;
a socket having a socket body coupleable to an electrical box and configured to releasably couple to the cartridge body, the
socket body comprising one or more recess portions configured to releasably engage the one or more latches, the socket body
having a key portion defined on a top side thereof, the key portion having a shape corresponding to a shape of the key feature
such that the LED driver cartridge body couples to the socket in a single predetermined orientation,

wherein the key feature of the cartridge body and the key portion of the socket facilitate coupling of the LED driver cartridge
body to the socket body in the single predetermined orientation.

US Pat. No. 9,651,227

LOW-PROFILE LIGHTING SYSTEM HAVING PIVOTABLE LIGHTING ENCLOSURE

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:
a first enclosure being elongated along a first longitudinal axis and being configured for mounting an array of a plurality
of lighting modules, the first enclosure including: two opposing end panels being spaced apart along the first longitudinal
axis; a first spaced-apart pair of opposing elongated side panels; a second spaced-apart pair of opposing elongated side panels;
and four elongated enclosure edges joining together the first and second pairs of the elongated side panels along the first
longitudinal axis;

a second enclosure being elongated along a second longitudinal axis and containing a lighting module power supply, the lighting
module power supply being configured for supplying power in the first enclosure to such plurality of lighting modules, the
second enclosure including: two additional opposing end panels being spaced apart along the second longitudinal axis; a third
spaced-apart pair of opposing elongated side panels; a fourth spaced-apart pair of opposing elongated side panels; and four
additional elongated enclosure edges joining together the third and fourth pairs of the elongated side panels along the second
longitudinal axis;

a pivotable joint assembly including a first pivot joint element being attached to a one of the first spaced-apart pair of
elongated side panels of the first enclosure and including a second pivot joint element being attached to a one of the end
panels of the second enclosure, the pivotable joint assembly having a pivotable joint axis, the pivotable joint axis being
parallel with the first and second longitudinal axes, the pivotable joint assembly being interposed between a one of the elongated
enclosure edges and a one of the additional elongated enclosure edges and being configured for constraining movement of the
first longitudinal axis relative to the second longitudinal axis as being around and parallel with the pivotable joint axis.

US Pat. No. 9,651,216

LIGHTING SYSTEMS INCLUDING ASYMMETRIC LENS MODULES FOR SELECTABLE LIGHT DISTRIBUTION

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:
a lighting module including a semiconductor light-emitting device configured for emitting light emissions along a central
light emission axis;

a first lens module including a first converging lens, the first converging lens being configured for causing convergence
of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central
light emission axis having a first half-width-half-maximum (HWHM), the first converging lens having a first light output surface
being spaced apart along a first lens axis from a first light input surface, the first converging lens further having a first
total internal reflection side surface being spaced apart around the first lens axis and having a first frusto-conical shape
extending between the first light input and output surfaces of the first converging lens;

a second lens module including a second converging lens, the second converging lens being configured for causing convergence
of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central
light emission axis having a second HWHM being different than the first HWHM, the second converging lens having a second light
output surface being spaced apart along a second lens axis from a second light input surface, the second converging lens further
having a second total internal reflection side surface being spaced apart around the second lens axis and having a second
frusto-conical shape extending between the second light input and output surfaces of the second converging lens; and

a third lens module including a first diverging lens having a third lens axis, the first diverging lens being configured for
causing divergence of some of the converged light emissions away from the third lens axis, the third lens module including:

a lens body having a light output surface spaced apart along a light transmission axis from a light input surface, the lens
body having a longitudinal axis and a lateral axis, the longitudinal and lateral axes being transverse to the light transmission
axis; the light output surface having an asymmetric curvilinear contour being formed by a convex region overlapping in directions
along the lateral axis with a concave region, the asymmetric curvilinear contour uniformly extending in directions along the
longitudinal axis;

wherein the lighting system is configured for detachably installing the first lens module or the second lens module in the
lighting module between the semiconductor light-emitting device and the third lens module; and wherein the lighting system
is configured for aligning the first or second lens axis with the central light emission axis and the third lens axis.

US Pat. No. 9,307,588

SYSTEMS AND METHODS FOR DIMMING OF A LIGHT SOURCE

ECOSENSE LIGHTING INC., ...

1. A system for dimming a lamp, comprising:
a lamp electronics facility with an operational duty cycle and providing power to a lamp light source, wherein the lamp electronics
facility is adapted to accept a dimming input signal to control a default dimming function, the dimming input signal at least
in part derived from a dimming device that is external to the lamp; and

a fast startup dimming control override facility that overrides the dimming input signal during startup of the lamp to override
the default dimming function through forcing the lamp electronics facility to operate with a higher than operational duty
cycle to deliver higher than operational power to the lamp light source during a dimming current level startup condition,
the dimming current level startup condition representing a current level to the lamp light source that is less than a current
required to produce an illumination level by the lamp light source that corresponds to the dimming input signal,

wherein an override condition is removed when an operational current level required to produce an illumination level by the
lamp light source that corresponds to the dimming input signal to the lamp light source is reached.

US Pat. No. 9,772,073

ILLUMINATING WITH A MULTIZONE MIXING CUP

Ecosense Lighting Inc., ...

1. A method of blending multiple light channels to produce a preselected illumination spectrum of substantially white light,
the method comprising:
providing a common housing with an open top and openings at the bottom, each bottom opening placed over an LED illumination
source;

placing a domed lumo converting appliance (DLCA) over each bottom opening and over each LED illumination source;
altering the illumination produced by a first LED illumination source by passing the illumination produced by the first LED
illumination source through a first domed lumo converting appliance (DLCA) associated with the common housing to produce a
blue channel preselected spectral output;

altering the illumination produced by the second LED illumination source by passing the illumination produced by a second
LED illumination source through a second DLCA associated with the common housing to produce a red channel preselected spectral
output;

altering the illumination produced by the third LED illumination source by passing the illumination produced by a third LED
illumination source through a third DLCA associated with the common housing to produce a yellow/green channel preselected
spectral output;

altering the illumination produced by the fourth LED illumination source by passing the illumination produced by a fourth
LED illumination source through a fourth DLCA associated with the common housing to produce a cyan channel preselected spectral
output;

blending the blue, red, yellow/green, and cyan spectral outputs as the blue, red, yellow/green, and cyan spectral outputs
exit the common housing;

wherein the first, second, and third LED illumination sources are blue LEDs and the fourth LED illumination is cyan LEDs;
wherein the blue LEDs have a substantially 440-475 nm output and the cyan LEDs have a substantially 490-515 nm output; wherein
each DLCA provides at least one photoluminescent material selected from Phosphors “A”, “B”, “C”, “D”, “E”, and “F”;

wherein:
Phosphor “A” is Cerium doped lutetium aluminum garnet (Lu3Al5O12) with an emission peak range of 530-540 nm;

Phosphor “B” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 545-555 nm;

Phosphor “C” is Cerium doped yttrium aluminum garnet (Y3Al5O12) with an emission peak range of 645-655 nm;

Phosphor “D” is GBAM: BaMgAl10O17:Eu with an emission peak range of 520-530 nm;

Phosphor “E” is any semiconductor quantum dot material of appropriate size for an emission peak range of 625-635 nm; and,
Phosphor “F” is any semiconductor quantum dot material of appropriate size for an emission peak range of 605-615 nm; and
wherein one or more of the spectral outputs of the blue, red, green/yellow, and red channels are substantially:
32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm,
25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620
nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740
nm and 2.1% for wavelengths between 741-780 nm for the blue channel;

3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm,
7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100%
for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and
7.7% for wavelengths between 741-780 nm for the red channel;

1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8%
for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2%
for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and
5.6% for wavelengths between 741-780 nm for the yellow/green channel; or

0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm,
100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm,
28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm
and 1.1% for wavelengths between 741-780 nm for the cyan channel.

US Pat. No. 9,651,232

LIGHTING SYSTEM HAVING A MOUNTING DEVICE

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:
a mounting post having a first end being spaced apart along a longitudinal axis from a second end;
a mounting body having a first end being spaced apart along another longitudinal axis from a second end, the first end of
the mounting body being pivotally connected at a first pivot axis by a first pivot joint with the first end of the mounting
post;

a first lighting module including a first housing and having a first semiconductor light-emitting device in the first housing,
the first lighting module being pivotally connected at the first pivot axis by the first pivot joint with the first end of
the mounting body and with the first end of the mounting post, the first lighting module being configured for emitting light
emissions along a first central light emission axis intersecting the first pivot joint;

a second lighting module including a second housing and having a second semiconductor light-emitting device in the second
housing, the second lighting module being pivotally connected at a second pivot axis by a second pivot joint with the second
end of the mounting body, the second lighting module being configured for emitting further light emissions along a second
central light emission axis intersecting the second pivot joint;

the first pivot joint being configured for permitting a range of pivotal movement by the first housing around the first pivot
axis and for permitting another range of pivotal movement by the mounting body around the first pivot axis, and the second
pivot joint being configured for permitting a further range of pivotal movement by the second housing around the second pivot
axis;

wherein the first pivot joint is configured for facilitating a locking of the another longitudinal axis of the mounting body
as being in a fixed position relative to the first central light emission axis of the first lighting module, and wherein the
second pivot joint is configured for facilitating another locking of the another longitudinal axis of the mounting body as
being in another fixed position relative to the second central light emission axis of the second lighting module.

US Pat. No. 9,746,159

LIGHTING SYSTEM HAVING A SEALING SYSTEM

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:
a housing having a base plate and a housing wall, the housing wall projecting in an upward direction away from the base plate,
the housing wall having an end and an interior side;

a container in the housing, the container having a visible light-transmissive top plate and a container wall, the container
wall projecting in a downward direction away from the top plate toward the base plate, the container wall having an end and
an exterior side;

a gasket interposed between the base plate and the end of the container wall, the gasket being configured for forming a seal
between the container wall and the base plate to form a sealed container;

a lighting module in the container, the lighting module including a semiconductor light-emitting device (“SLED”), the SLED
being configured for emitting light emissions along a central light emission axis toward the top plate;

a rail interposed between the interior side of the housing wall and the exterior side of the container wall, the rail having
a first side facing towards the interior side of the housing wall and having a second side facing toward the exterior side
of the container wall;

a first raised region forming a part of the interior side of the housing wall or forming a part of the first side of the rail,
and a second raised region forming a part of the exterior side of the container wall or forming a part of the second side
of the rail;

wherein the first raised region is configured for limiting movement of the rail away from the base plate along the upward
direction, and wherein the second raised region is configured for limiting movement of the container wall away from the base
plate along the upward direction.

US Pat. No. 9,719,660

COMPOSITIONS FOR LED LIGHT CONVERSIONS

EcoSense Lighting Inc., ...

1. A method of generating white light, the method comprising:
passing light from a first LED string through a first luminophoric medium comprised of one or more luminescent materials and
matrix in a first ratio for a first combined light in a blue color range on 1931 CIE diagram;

passing light from a second LED string through a second luminophoric medium comprised of one or more luminescent materials
and matrix in a second ratio for a second combined light in a red color range on 1931 CIE diagram;

passing light from a third LED string through a third luminophoric medium comprised of one or more luminescent materials and
matrix in a third ratio for a third combined light in a yellow/green color range on 1931 CIE diagram;

passing light from a fourth LED string through a fourth luminophoric medium comprised of one or more luminescent materials
and matrix in a fourth ratio for a fourth combined light in a cyan color range on 1931 CIE diagram;

mixing the first, second, third, and fourth combined light together;
wherein the first, second, and third LED strings each comprise an LED with peak wavelength of between about 385 nm and about
470 nm;

wherein the fourth LED string comprises an LED with a peak wavelength of between about 485 nm and about 520 nm;
wherein the luminescent materials within each of the first, second, third, and fourth luminophoric mediums comprise:
one or more of a first type of luminescent material that emits light at a peak emission between about 515 nm and 590 nm in
response to the associated LED string emission, and

one or more of a second type of luminescent material that emits light at a peak emission between about 590 nm and about 700
nm in response to the associated LED string emission;

wherein the one or more of the first type of luminescent materials comprise BaMgAl10O17:Eu, Lu3Al5O12:Ce, (La,Y)3Si6N1:Ce, or Y3Al5O12:Ce,

wherein the one or more of the second type of luminescent materials comprise CaAlSiN3:Eu, (Sr,Ca)AlSiN3, or a semiconductor quantum dot; and,

wherein the third luminophoric medium comprises up to about 99% by volume of Lu3Al5O12:Ce.

US Pat. No. 9,839,091

SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

ECOSENSE LIGHTING INC., ...

1. A semiconductor light emitting device, comprising:
a solid state emitter package comprising:
a first solid state emitter that excites a first luminescent material;
a second solid state emitter that excites a second luminescent material;
a third solid state emitter that excites a third luminescent material; and
a fourth solid state emitter that excites a fourth luminescent material; and
a control circuit configured to independently apply an on-state drive current to each of the first, second, third, and fourth
solid state emitters;

wherein the first solid state emitter and the first luminescent material together emit a first unsaturated light having a
first color point within a blue color range defined by a line connecting the ccx, ccy color coordinates of the infinity point
of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT, the constant CCT
line of 4000K, the line of purples, and the spectral locus;

wherein the second solid state emitter and the second luminescent material together emit a second unsaturated light having
a second color point within a red color range defined by the spectral locus between the constant CCT line of 1600K and the
line of purples, the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and
the constant CCT line of 1600K;

wherein the third solid state emitter and the third luminescent material together emit a third unsaturated light having a
third color point within a yellow/green color range defined by the constant CCT line of 4600K, the Planckian locus between
4600K and 550K, the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);

wherein the fourth solid state emitter and the fourth luminescent material together emit a fourth unsaturated light having
a fourth color point within a cyan color range defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and
(0.27, 0.72), the constant CCT line of 9000K, the Planckian locus between 9000K and 4600K, the constant CCT line of 4600K,
and the spectral locus; and

wherein the control circuit is configured to adjust a fifth color point of a fifth unsaturated light that results from a combination
of the first, second, third, and fourth unsaturated light.

US Pat. No. 9,894,788

FIELD REPLACEABLE POWER SUPPLY CARTRIDGE

ECOSENSE LIGHTING INC., ...

1. A power supply system, comprising:
a power supply cartridge including a cartridge body having a plurality of sides, a one of the sides of the cartridge body
having an electrical connector, a key feature being defined on the one of the sides of the cartridge body, the key feature
having a protruding portion including four side walls, a first one of the side walls of the protruding portion of the key
feature having a first length being different than a second length of a second one of the side walls of the protruding portion
of the key feature;

a socket including a socket body being coupleable to an electrical wire and having a plurality of sides, a one of the sides
of the socket body having another electrical connector adapted for being releasably coupled with the electrical connector
of the cartridge body, another key feature being defined on the one of the sides of the socket body, the another key feature
having a recessed portion including four side walls, a first one of the side walls of the recessed portion of the another
key feature having a first length being different than a second length of a second one of the side walls of the recessed portion
of the another key feature;

wherein the key feature has a shape corresponding to another shape of the another key feature such that the cartridge body
is adapted for being releasably coupleable with the socket body in a single predetermined orientation with the first one of
the side walls of the key feature facing toward the first one of the side walls of the another key feature.

US Pat. No. 9,869,450

LIGHTING SYSTEMS HAVING A TRUNCATED PARABOLIC- OR HYPERBOLIC-CONICAL LIGHT REFLECTOR, OR A TOTAL INTERNAL REFLECTION LENS; AND HAVING ANOTHER LIGHT REFLECTOR

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:
a truncated parabolic visible light reflector having an internal light reflective surface defining a cavity, and having an
end and another end being mutually spaced apart along a central axis, the end permitting light emissions from the lighting
system;

a light source being located at the another end of the truncated parabolic light reflector and including a semiconductor light-emitting
device, the semiconductor light-emitting device being configured for emitting, along the central axis in the cavity, light
emissions having a first spectral power distribution;

another visible light reflector, the another light reflector being located in the cavity and having another light reflective
surface facing toward the another end of the truncated parabolic light reflector, the another light reflector being spaced
apart along the central axis at a distance away from the semiconductor light-emitting device;

a volumetric lumiphor being located in the cavity along the central axis between the semiconductor light-emitting device and
the another light reflector, and being configured for converting some of the light emissions into additional light emissions
having a second spectral power distribution being different than the first spectral power distribution;

wherein the another light reflector is configured for causing portions of the light emissions and of the additional light
emissions to be reflected by the another light reflective surface;

wherein the truncated parabolic light reflector is configured for causing some of the portions of the light emissions and
additional light emissions, after being reflected by the another light reflective surface, to then be further reflected by
the light-reflective surface and to bypass the another light reflector to be emitted from the end of the truncated parabolic
light reflector; and

wherein the another light reflector is configured for permitting other portions of the light emissions and of the additional
light emissions to pass through the another light reflector along the central axis and then be emitted from the end of the
truncated parabolic light reflector.

US Pat. No. 9,995,444

LINEAR LED LIGHT HOUSING

ECOSENSE LIGHTING INC., ...

1. A modular linear LED lighting system, comprising:a multiple attachment configurable linear LED light housing module, wherein the linear LED light housing module is configured with removable and replaceable mounting attachments on at least two sides of the housing for mounting the linear LED light housing module;
multiple housing compartments within the linear LED light housing module, including a compartment for LED driver electronics, a compartment for LEDs, and a compartment for containing wires that traverse the housing, wherein the housing compartments provide both separate mounting surfaces and separate heat sinking for the LEDs and LED driver electronics,
a linear series internal mechanical attachment within the linear LED light housing module, wherein the linear LED light housing module is configured with at least one open side end exposing a mechanical attachment point while isolating a user from internal electronics for abutting and mechanically securing a second linear LED light housing module to form an extended length linear LED light housing modular assembly;
a linear series internal electrical interconnect within the linear LED light housing module, wherein the linear LED light housing module has a quick connect electrical connection in the at least one open side end mounted for electrically connecting the second linear LED light housing module with a matching open end; and
a mechanical assembly connection device to hold the linear LED light housing module and the second linear LED light housing module together during assembly of the extended length linear LED light housing modular assembly, such that when the mechanical assembly connection device is in place in a first configuration between the two housing modules there is a space between the two housing modules to facilitate electrical interconnection while maintaining a structurally rigid temporary assembly.

US Pat. No. 9,860,956

SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

ECOSENSE LIGHTING INC, L...

1. A semiconductor light emitting device, comprising:
a solid-state emitter package comprising:
a blue channel;
a red channel;
a yellow/green channel;
a cyan channel; and
a control circuit configured to independently apply a drive current to each of the blue, red, yellow/green, and cyan channels;
wherein the blue channel emits a first unsaturated light having a first color point within a blue color range defined by a
60-step MacAdam ellipse at 20000K, 40 points below the Planckian locus;

wherein the red channel emits a second unsaturated light having a second color point within a red color range defined by the
spectral locus between the constant CCT line of 1600K and the line of purples, the line of purples, a line connecting the
ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT line of 1600K;

wherein the yellow/green channel emits a third unsaturated light having a third color point within a yellow/green color range
defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K, the spectral locus, and a line connecting
the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);

wherein the cyan channel emits a fourth unsaturated light having a fourth color point within a cyan color range defined by
a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72), the constant CCT line of 9000K, the Planckian
locus between 9000K and 4600K, the constant CCT line of 4600K, and the spectral locus; and

wherein the control circuit is configured to adjust a fifth color point of a fifth unsaturated light that results from a combination
of the first, second, third, and fourth unsaturated light.

US Pat. No. 10,012,370

LIGHTING SYSTEM HAVING A MOUNTING DEVICE

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:a mounting body having a first end being spaced apart along a longitudinal axis from a second end;
a lever-locking bracket including a bracket body and a lever actuator, the lever-locking bracket being pivotally connected with the first end of the mounting body by a flange of the lever-locking bracket being retained in alignment with an aperture of the mounting body communicating with a cavity located inside the mounting body;
a lighting module having a housing and having a semiconductor light-emitting device in the housing, the lighting module having a mounting arm being pivotally connected with the lever-locking bracket by a first pivot joint for rotation of the lighting module to a plurality of primary positions around a first pivot axis, the flange of the lever-locking bracket forming a part of a second pivot joint for rotation of the lighting module to a plurality of secondary positions around a second pivot axis, the lever-locking bracket being configured for simultaneously locking the lighting module at a one of the primary positions and at a one of the secondary positions by a movement of the lever actuator from an unlocked position to a locked position.

US Pat. No. 10,261,232

OPTICAL DEVICES AND SYSTEMS HAVING A CONVERGING LENS WITH AN INPUT CAVITY HAVING GROOVES FOLLOWING A SPLINE AND A FRUSTO-CONICAL REFLECTION SIDE SURFACE EXTENDING BETWEEN AN INPUT AND OUTPUT SURFACE OF THE CONVERGING LENS

ECOSENSE LIGHTING INC., ...

1. A lens device, comprising:a converging lens having a light output surface being spaced apart along a lens axis from a light input surface, the converging lens further having a total internal reflection side surface being spaced apart around the lens axis and having a frusto-conical shape extending between the light input and output surfaces of the converging lens;
wherein a portion of the light input surface of the converging lens includes a light input cavity being bounded by a perimeter, the light input cavity having a central axis and being generally shaped as a portion of a spheroid;
wherein the light input cavity has a plurality of grooves each respectively following a spline along the light input surface that intersects with the central axis of the light input cavity and with a respective point on the perimeter; and wherein each of the respective points are mutually spaced apart around the perimeter of the light input cavity.

US Pat. No. 10,477,636

LIGHTING SYSTEMS HAVING MULTIPLE LIGHT SOURCES

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:a first light source that includes a first semiconductor light-emitting device and includes a first lumiphor configured for converting light emissions of the first semiconductor light-emitting device having a first spectral power distribution into first light source emissions having another spectral power distribution being different than the first spectral power distribution, wherein the first light source is configured for emitting the first light source emissions as having a first color point, wherein the first color point is located between an isotherm of a correlated color temperature of about 4800K and an isotherm of a correlated color temperature of about 2500K, and wherein the first color point is located within a distance of about equal to or less than 0.006 delta(uv) away from a Planckian-black-body locus of the International Commission on Illumination (CIE) 1931 XY chromaticity diagram;
a second light source that includes a second semiconductor light-emitting device, wherein the second light source is configured for emitting second light source emissions having a second color point, wherein the second color point is located between an isotherm of a correlated color temperature of about 2900K and an isotherm of a correlated color temperature of about 1700K; and
a third light source that includes a third semiconductor light-emitting device, wherein the third light source is configured for emitting third light source emissions having a third color point, wherein the third color point is located between a line-of-purples of the CIE 1931 XY chromaticity diagram and an isotherm of a correlated color temperature of about 1500K, and wherein the third light source is configured for emitting the third light source emissions as having a dominant- or peak-wavelength being within a range of between about 590 nanometers and about 700 nanometers;
wherein the lighting system forms combined light emissions having a series of combined color points, wherein the combined light emissions include the first light source emissions, and the second light source emissions, and the third light source emissions; and
wherein the lighting system causes the series of the combined color points of the combined light emissions to emulate color points of an incandescent light emitter by causing a progression of the series of the combined color points to remain below the Planckian-black-body locus throughout a light brightening/dimming curve of correlated color temperatures (CCTs).

US Pat. No. 10,306,724

LIGHTING SYSTEMS, AND SYSTEMS FOR DETERMINING PERIODIC VALUES OF A PHASE ANGLE OF A WAVEFORM POWER INPUT

ECOSENSE LIGHTING INC., ...

1. A system for determining periodic values of a phase angle (?) of a waveform power input, comprising:a voltage detector for receiving a phase-cut waveform power input, the voltage detector being configured for generating a plurality of periodic values of an average voltage (“V-ave”) of the phase-cut waveform power input and for generating a corresponding plurality of periodic values of a peak voltage (“V-peak”) of the phase-cut waveform power input; and
a phase angle (?) detector being in signal communication for receiving the periodic values of the average voltage (V-ave) and the peak voltage (V-peak) from the voltage detector and being configured for: generating a plurality of periodic values each being a ratio (“V-ap”) of one of the plurality of periodic values of the average voltage (V-ave) divided by the corresponding one of the plurality of periodic values of the peak voltage (V-peak); and determining a plurality of periodic values of a phase angle (?) of the phase-cut waveform power input each corresponding to one of the plurality of periodic values of the ratio (V-ap).

US Pat. No. 10,512,133

METHODS OF PROVIDING TUNABLE WARM WHITE LIGHT

Ecosense Lighting Inc., ...

1. A method of generating white light, the method comprising:producing light from a first light emitting diode (“LED”) string that comprises a blue LED with a peak wavelength of between about 405 nm and about 470 nm;
producing light from a second light emitting diode (“LED”) string that comprises a blue LED with a peak wavelength of between about 405 nm and about 470 nm;
producing light from a third light emitting diode (“LED”) string that comprises a blue LED with a peak wavelength of between about 405 nm and about 470 nm;
passing the light produced by each of the first, second, and third LED strings through one of a plurality of respective luminophoric mediums to produce a first unsaturated light, a second unsaturated light, and a third unsaturated light, respectively; and
combining the first unsaturated light, the second unsaturated light, and the third unsaturated light together into a fourth unsaturated light;
wherein the first unsaturated light has a first color point within a white color range defined by a polygonal region on the 1931 CIE Chromaticity Diagram defined by the following ccx, ccy color coordinates: (0.4006, 0.4044), (0.3736, 0.3874), (0.3670, 0.3578), (0.3898, 0.3716);
wherein the second unsaturated light has a second color point within a red color range on the 1931 CIE Chromaticity Diagram defined by a spectral locus between the constant CCT line of 1600K and a line of purples, the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT line of 1600K;
wherein the third unsaturated light has a third color point within a yellow/green color range on the 1931 CIE Chromaticity Diagram defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K, the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505); and
wherein the fourth unsaturated light corresponds to at least one of a plurality of points along a predefined path near a black body locus in the 1931 CIE Chromaticity Diagram within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between about 1800K and about 3200K;
wherein the second unsaturated light has a spectral power distribution having relative spectral power intensities of between 0% and 14.8% for wavelengths between 380-420 nm, between 2.1% and 157.8% for wavelengths between 421-460 nm, between 2.0% and 6.7% for wavelengths between 461-500 nm, between 1.4% and 12.2% for wavelengths between 501-540 nm, between 8.7% and 24.7% for wavelengths between 541-580 nm, between 48.5% and 102.8% for wavelengths between 581-620 nm, between 1.8% and 74.3% for wavelengths between 661-700 nm, between 0.5% and 29.5% for wavelengths between 701-740 nm, and between 0.3% and 9% for wavelengths between 741-780 nm, relative to the normalized range for wavelengths between 621-660 nm with a value of 100.0%.

US Pat. No. 10,197,226

ILLUMINATING WITH A MULTIZONE MIXING CUP

ECOSENSE LIGHTING INC, L...

1. A method of blending multiple light channels to produce a preselected illumination spectrum of substantially white light, the method comprising:providing a common housing having an open top, a plurality of reflective cavities with open bottoms, and each cavity having an open top, each open bottom placed over an LED illumination source;
affixing a volumetric lumo converting appliance (VLCA) within a portion of the internal volume via fitting each VLCA against the wall of a reflective cavity of each of the plurality of reflective cavities, with the portion being nearest the open top of each cavity;
altering a first illumination produced by a first LED illumination source by passing the first illumination produced by the first LED illumination source through a first VLCA to produce a blue channel preselected spectral output;
altering a second illumination produced by a second LED illumination source by passing the second illumination produced by the second LED illumination source through a second VLCA to produce a red channel preselected spectral output;
altering a third illumination produced by a third LED illumination source by passing the third illumination produced by the third LED illumination source through a third VLCA to produce a yellow/green channel preselected spectral output;
altering a fourth illumination produced by a fourth LED illumination source by passing the fourth illumination produced by the fourth LED illumination source through a fourth VLCA to produce a cyan channel preselected spectral output;
blending the blue, red, yellow/green and cyan spectral outputs as the blue, red, yellow/green and cyan spectral outputs exit the common housing;
wherein the first, second, and third LED illumination sources comprise one or more blue LEDs and the fourth LED illumination source comprises one or more blue LEDs, one or more cyan LEDs, or a combination thereof;
wherein the blue LEDs have a substantially 440-475 nm output and the cyan LEDs have a substantially 490-515 nm output;
wherein one or more of the spectral outputs of the blue, red, green/yellow, and red channels are substantially:
32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm for the blue channel;
3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm for the red channel;
1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm for the yellow/green channel; or
0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm for the cyan channel.

US Pat. No. 10,470,269

LIGHTING SYSTEMS FOR PROVIDING TUNABLE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting, Inc., ...

1. A semiconductor light emitting device comprising:first, second, and third LED strings, with each LED string comprising one or more LEDs having an associated luminophoric medium;
wherein the first, second, and third LED strings together with their associated luminophoric mediums comprise red, blue, and green channels respectively, producing first, second, and third unsaturated light having color points within red, blue, and green regions on the 1931 CIE Chromaticity diagram, respectively;
a control circuit configured to adjust a fourth color point of a fourth unsaturated light that results from a combination of the first, second, and third unsaturated light, with the fourth color point falls within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between 1800K and 10000K,
wherein the spectral power distribution for the red channel is between 0.0% to 14.8% for wavelengths between 380 nm to 420 nm, between 2.1% to 15% for wavelengths between 421 nm to 460 nm, between 2.0% to 6.7% for wavelengths between 461 nm to 500 nm, between 1.4% to 12.2% for wavelengths between 501 nm to 540 nm, between 8.7% to 20.5% for wavelengths between 541 nm to 580 nm, between 48.5% and 102.8% for wavelengths between 581 nm to 620 nm, 100% for wavelengths between 621 nm to 660 nm, between 1.8% to 74.3% for wavelengths between 661 nm to 700 nm, between 0.5% to 29.5% for wavelengths between 701 nm to 740 nm, and between 0.3% to 9.0% for wavelengths between 741 nm to 780 nm.

US Pat. No. 10,253,948

LIGHTING SYSTEMS HAVING MULTIPLE EDGE-LIT LIGHTGUIDE PANELS

ECOSENSE LIGHTING, INC., ...

1. A lighting system, comprising:an edge-lit lightguide panel being extended along a longitudinal axis of the lighting system, the edge-lit lightguide panel having a pair of mutually-opposing panel surfaces and having a peripheral edge being extended along and spaced transversely away from the longitudinal axis, wherein one of the pair of panel surfaces includes a first light output interface;
a visible-light source including a plurality of semiconductor light-emitting devices, the visible-light source being configured for generating visible-light emissions from the plurality of semiconductor light-emitting devices and being located along the peripheral edge for directing the visible-light emissions into the edge-lit lightguide panel;
another edge-lit lightguide panel being extended along the longitudinal axis, the another edge-lit lightguide panel having another pair of mutually-opposing panel surfaces and having another peripheral edge being extended along and spaced transversely away from the longitudinal axis, wherein one of the another pair of panel surfaces includes a second light output interface;
another visible-light source including another plurality of semiconductor light-emitting devices, the another visible-light source being configured for generating additional visible-light emissions from the another plurality of semiconductor light-emitting devices and being located along the another peripheral edge for directing the additional visible-light emissions into the another edge-lit lightguide panel;
a total internal reflection lens, having a central light-emission axis being transverse to the longitudinal axis, the total internal reflection lens including a third light output interface being located between the first and second light output interfaces, the third light output interface being spaced apart from a central light input interface by a total internal reflection side surface, the total internal reflection side surface being extended along the central light-emission axis, the total internal reflection lens having a further visible-light source including a further plurality of semiconductor light-emitting devices, the further visible-light source being configured for generating further visible-light emissions from the further plurality of semiconductor light-emitting devices and being located at the central light input interface for directing the further visible-light emissions through the total internal reflection lens to the third light output interface;
wherein the first, second and third light output interfaces cooperatively define an emission aperture for forming combined visible-light emissions including the visible-light emissions, the additional visible-light emissions, and the further visible-light emissions; and
wherein the emission aperture forms a shielding zone for redirecting some of the combined visible-light emissions.

US Pat. No. 10,378,726

LIGHTING SYSTEM GENERATING A PARTIALLY COLLIMATED DISTRIBUTION COMPRISING A BOWL REFLECTOR, A FUNNEL REFLECTOR WITH TWO PARABOLIC CURVES AND AN OPTICALLY TRANSPARENT BODY DISPOSED BETWEEN THE FUNNEL REFLECTOR AND BOWL REFLECTOR

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:a bowl reflector having a rim defining a horizon and defining an emission aperture, the bowl reflector having a first visible-light-reflective surface defining a portion of a cavity, a portion of the first visible-light-reflective surface being a first light-reflective parabolic surface;
a funnel reflector having a flared funnel-shaped body, the funnel-shaped body having a central axis and having a second visible-light-reflective surface being aligned along the central axis, the funnel-shaped body also having a tip being located within the cavity along the central axis, a portion of the second visible-light-reflective surface being a second light-reflective parabolic surface and having a cross-sectional profile defined in directions along the central axis that includes two parabolic curves that converge towards the tip of the funnel-shaped body;
a visible-light source including a semiconductor light-emitting device, the visible-light source being configured for generating visible-light emissions from the semiconductor light-emitting device;
an optically-transparent body being aligned with the second visible-light-reflective surface along the central axis, the optically-transparent body having a first base being spaced apart along the central axis from a second base and having a side surface extending between the bases, and the first base facing toward the visible-light source;
wherein the second light-reflective parabolic surface has a ring of focal points being located at a first position within the cavity, each one of the focal points being equidistant from the second light-reflective parabolic surface, and the ring encircling a first point on the central axis;
wherein the second light-reflective parabolic surface has an array of axes of symmetry intersecting with and radiating in directions all around the central axis from a second point on the central axis, each one of the axes of symmetry intersecting with a corresponding one of the focal points, the second point on the central axis being located between the first point and the horizon of the bowl reflector; and
wherein the visible-light source is within the cavity at a second position being located, relative to the first position of the ring, for causing some of the visible-light emissions to be reflected by the second light-reflective parabolic surface as having a partially-collimated distribution.

US Pat. No. 10,578,256

ILLUMINATING WITH A MULTIZONE MIXING CUP

ECOSENSE LIGHTING INC., ...

1. A method of blending multiple light channels to produce a preselected illumination spectrum of substantially white light, the method comprising:altering the illumination produced by a first LED illumination source by passing the illumination produced by the first LED illumination source through a first photoluminescence material to produce a blue channel preselected spectral output;
altering the illumination produced by the second LED illumination source by passing the illumination produced by a second LED illumination source through a photoluminescence material to produce a red channel preselected spectral output;
altering the illumination produced by the third LED illumination source by passing the illumination produced by a third LED illumination source through a third photoluminescence material to produce a yellow/green channel preselected spectral output;
altering the illumination produced by the fourth LED illumination source by passing the illumination produced by a fourth LED illumination source through a fourth photoluminescence material to produce a cyan channel preselected spectral output;
blending the blue, red, yellow/green, and cyan spectral outputs as the blue, red, yellow/green, and cyan spectral outputs;
wherein the first, second, and third LED illumination sources are blue LEDs and the fourth LED illumination is cyan LEDs;
wherein the blue LEDs have a substantially 440-475 nm output and the cyan LEDs have a substantially 490-515 nm output;
wherein the first, second, third, and fourth DLCAs each comprise a plurality of photoluminescence materials, the plurality of photoluminescence materials comprising:
one or more of a first type of photoluminescence material that emits light at a peak emission between about 515 nm and 590 nm in response to the associated LED string emission,
one or more of a second type of photoluminescence material that emits light at a peak emission between about 590 nm and about 700 nm in response to the associated LED string emission; and,
wherein one or more of the spectral outputs of the blue, red, green/yellow, and red channels are substantially:
32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm for the blue channel;
3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm for the red channel;
1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm for the yellow/green channel; or
0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm for the cyan channel.

US Pat. No. 10,317,057

LIGHTING SYSTEM HAVING A MOUNTING DEVICE

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:a mounting post having a first end being spaced apart along a longitudinal axis from a second end;
a mounting body having a first end being spaced apart along another longitudinal axis from a second end, the first end of the mounting body being pivotally connected at a first pivot axis by a first pivot joint with the first end of the mounting post;
a first lighting module including a first housing and having a first semiconductor light-emitting device in the first housing, the first lighting module being pivotally connected at the first pivot axis by the first pivot joint with the first end of the mounting body and with the first end of the mounting post;
a second lighting module including a second housing and having a second semiconductor light-emitting device in the second housing, the second lighting module being pivotally connected at a second pivot axis by a second pivot joint with the second end of the mounting body;
wherein the mounting body includes: a container and a cover collectively forming an enclosed chamber; and an aperture in the enclosed chamber forming a part of the first pivot joint and being aligned with the first pivot axis; and another aperture in the enclosed chamber forming a part of the second pivot joint and being aligned with the second pivot axis; and
wherein the mounting body includes a ring surrounding the aperture and forming a part of the first pivot joint, and wherein the mounting post includes another ring located at the first end of the mounting post and forming a part of the first pivot joint, and wherein the ring is configured for being engaged with the another ring and for permitting the mounting body to be pivoted around the first pivot axis.

US Pat. No. 10,483,850

UNIVERSAL INPUT-VOLTAGE-COMPATIBLE SWITCHED-MODE POWER SUPPLY

ECOSENSE LIGHTING INC., ...

1. A switched-mode power supply (SMPS), comprising:a direct current (DC)-to-DC step-down converter having an input terminal, a positive output terminal, a negative output terminal, and a transistor having a channel being coupled between a cathode and an anode, the anode being coupled with a grounded current sense resistor, and the DC-to-DC step-down converter being: configured for operation in a boundary conduction mode; and configured for receiving a DC input current having an input voltage at the input terminal; and configured for causing a DC output current having an output voltage to flow from the positive output terminal through an output load to the negative output terminal; and configured for being integrated with a controller, the controller being configured for applying a pulse-width-modulated voltage to the channel of the transistor for controlling a duty cycle of the DC output current, the duty cycle having an on-time period (T-On) and an off-time period (T-Off), the controller being coupled with a T-On capacitor having a T-On voltage, the controller being configured for charging the T-On capacitor during the T-On period by a regulated T-On current for setting a maximum limit of the T-On period, the controller being configured for initiating the T-Off period when the T-On capacitor becomes charged to a selected maximum limit of the T-On voltage;
a voltage divider being coupled with the input terminal for receiving the input voltage and for reducing the input voltage to a signal voltage being within a selected voltage signal range;
a voltage-to-current converter having a connection with the voltage divider, the voltage-to-current converter including another output terminal being coupled with another transistor having another channel being coupled between another cathode and another anode, the voltage-to-current converter including a grounded precision resistor configured for generating a transconductance voltage, the voltage-to-current converter being configured for inputting the signal voltage and for outputting an error correction voltage being applied to the another channel for generating a signal current appearing at the another anode and defining a transconductance of the voltage-to-current converter and having a current signal value being within a selected current signal range representing the selected voltage signal range; and
a current mirror being coupled with the another cathode and being configured for receiving and combining a regulated supply current having a supply voltage together with the signal current as forming a T-On modulation current, with the current mirror being configured for causing the T-On modulation current to be combined with the regulated T-On current to charge the T-On capacitor.

US Pat. No. 10,465,862

COMPOSITIONS FOR LED LIGHT CONVERSIONS

ECOSENSE LIGHTING INC., ...

1. A white-light-emitting device comprising:a first LED, a second LED, and a third LED, each configured to emit light with peak wavelength of between about 385 nm and about 485 nm;
a first recipient luminophoric medium associated with the first LED and configured to provide a first combined light when excited by the first LED, the first recipient luminphoric medium comprised of one or more luminescent materials and matrix in a first ratio to produce the first combined light in a blue color range on 1931 CIE diagram;
a second recipient luminophoric medium associated with the second LED and configured to provide a second combined light when excited by the second LED, the second recipient luminphoric medium comprised of one or more luminescent materials and matrix in a second ratio to produce the second combined light in a red color range on 1931 CIE diagram;
a third recipient luminophoric medium associated with the third LED and configured to provide a third combined light when excited by the third LED, the third recipient luminphoric medium comprised of one or more luminescent materials and matrix in a third ratio to produce the third combined light in a yellow/green color range on 1931 CIE diagram;
a fourth LED configured to emit light with a peak wavelength of between about 465 nm and about 520 nm;
a fourth recipient luminophoric medium associated with the fourth LED and configured to provide a fourth combined light when excited by the fourth LED, the fourth recipient luminphoric medium comprised of one or more luminescent materials and matrix in a fourth ratio to produce the fourth combined light in a cyan color range on 1931 CIE diagram;
wherein the luminescent materials within each of the first, second, third, and fourth luminophoric mediums comprise one or more of a first type of luminescent material that emits light at a peak emission between about 515 nm and 590 nm in response to the associated LED light emission; and,
wherein the luminescent materials within each of the first, second, third, and fourth luminophoric mediums comprise one or more of a second type of luminescent material that emits light at a peak emission between about 590 nm and about 700 nm in response to the associated LED light emission.

US Pat. No. 10,415,768

ILLUMINATING WITH A MULTIZONE MIXING CUP

ECOSENSE LIGHTING INC., ...

1. A method of blending multiple light channels to produce a preselected illumination spectrum of substantially white light, the method comprising:providing a common housing with an open top and openings at the bottom, each bottom opening placed over an LED illumination source;
placing a domed lumo converting appliance (DLCA) over each bottom opening and over each LED illumination source;
altering the illumination produced by a first LED illumination source by passing the illumination produced by the first LED illumination source through a first domed lumo converting appliance (DLCA) associated with the common housing to produce a blue channel preselected spectral output;
altering the illumination produced by the second LED illumination source by passing the illumination produced by a second LED illumination source through a second DLCA associated with the common housing to produce a red channel preselected spectral output;
altering the illumination produced by the third LED illumination source by passing the illumination produced by a third LED illumination source through a third DLCA associated with the common housing to produce a yellow/green channel preselected spectral output;
altering the illumination produced by the fourth LED illumination source by passing the illumination produced by a fourth LED illumination source through a fourth DLCA associated with the common housing to produce a cyan channel preselected spectral output;
blending the blue, red, yellow/green, and cyan spectral outputs as the blue, red, yellow/green, and cyan spectral outputs exit the common housing;
wherein the first, second, and third LED illumination sources are blue LEDs and the fourth LED illumination is cyan LEDs;
wherein the blue LEDs have a substantially 440-475 nm output and the cyan LEDs have a substantially 490-515 nm output;
wherein the first, second, third, and fourth DLCAs each comprise a plurality of photoluminescence materials, the plurality of photoluminescence materials comprising:
one or more of a first type of photoluminescence material that emits light at a peak emission between about 515 nm and 590 nm in response to the associated LED string emission,
one or more of a second type of photoluminescence material that emits light at a peak emission between about 590 nm and about 700 nm in response to the associated LED string emission; and,
wherein one or more of the spectral outputs of the blue, red, green/yellow, and red channels are substantially:
32.8% for wavelengths between 380-420 nm, 100% for wavelengths between 421-460 nm, 66.5% for wavelengths between 461-500 nm, 25.7% for wavelengths between 501-540 nm, 36.6% for wavelengths between 541-580 nm, 39.7% for wavelengths between 581-620 nm, 36.1% for wavelengths between 621-660 nm, 15.5% for wavelengths between 661-700 nm, 5.9% for wavelengths between 701-740 nm and 2.1% for wavelengths between 741-780 nm for the blue channel;
3.9% for wavelengths between 380-420 nm, 6.9% for wavelengths between 421-460 nm, 3.2% for wavelengths between 461-500 nm, 7.9% for wavelengths between 501-540 nm, 14% for wavelengths between 541-580 nm, 55% for wavelengths between 581-620 nm, 100% for wavelengths between 621-660 nm, 61.8% for wavelengths between 661-700 nm, 25.1% for wavelengths between 701-740 nm and 7.7% for wavelengths between 741-780 nm for the red channel;
1% for wavelengths between 380-420 nm, 1.9% for wavelengths between 421-460 nm, 5.9% for wavelengths between 461-500 nm, 67.8% for wavelengths between 501-540 nm, 100% for wavelengths between 541-580 nm, 95% for wavelengths between 581-620 nm, 85.2% for wavelengths between 621-660 nm, 48.1% for wavelengths between 661-700 nm, 18.3% for wavelengths between 701-740 nm and 5.6% for wavelengths between 741-780 nm for the yellow/green channel; or
0.2% for wavelengths between 380-420 nm, 0.8% for wavelengths between 421-460 nm, 49.2% for wavelengths between 461-500 nm, 100% for wavelengths between 501-540 nm, 58.4% for wavelengths between 541-580 nm, 41.6% for wavelengths between 581-620 nm, 28.1% for wavelengths between 621-660 nm, 13.7% for wavelengths between 661-700 nm, 4.5% for wavelengths between 701-740 nm and 1.1% for wavelengths between 741-780 nm for the cyan channel.

US Pat. No. 10,492,264

LIGHTING SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH FUNCTIONAL DIODE EMISSIONS

EcoSense Lighting, Inc., ...

1. A semiconductor light emitting device comprising:first, second, and third LED strings, with each LED string comprising one or more LEDs having an associated luminophoric medium;
wherein the first, second, and third LED strings together with their associated luminophoric mediums can comprise red, blue, and green channels respectively, producing first, second, and third unsaturated color points within red, blue, and green regions on the 1931 CIE Chromaticity diagram, respectively;
a control circuit configured to adjust a fourth color point of a fourth unsaturated light that results from a combination of the first, second, and third unsaturated light, with the fourth color point falls within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between 1800K and 10000K;
wherein the control circuit is further configured to generate the fourth unsaturated light corresponding to a plurality of points along a predefined path with the light generated at each point having light with Rf greater than or equal to about 85, Rg greater than or equal to about 90 and less than or equal to about 110, or both;
wherein the control circuit is further configured to generate the fourth unsaturated light corresponding to a plurality of points along a predefined path with the light generated at each point having light with Ra greater than or equal to about 92 along points with correlated color temperature between about 1800K and 10000K, R9 greater than or equal to 80 along points with correlated color temperature between about 2100K and about 10000K, or both;
wherein the control circuit is further configured to generate the fourth unsaturated light corresponding to a plurality of points along a predefined path with the light generated at each point having EML greater than or equal to about 0.5 along points with correlated color temperature above about 2400K, EML greater than or equal to about 1.0 along points with correlated color temperature above about 5500K, or both;
wherein the control circuit is further configured to generate the fourth unsaturated light corresponding to a plurality of points along a predefined path with the light generated at each point having light with R13 greater than or equal to about 92, R15 greater than or equal to about 88, or both;
wherein the blue color region comprises a region on the 1931 CIE Chromaticity Diagram defined by a line connecting the ccx, ccy color coordinates of the infinity point of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT, the constant CCT line of 4000K, the line of purples, and the spectral locus;
wherein the red color region comprises a region on the 1931 CIE Chromaticity Diagram defined by the spectral locus between the constant CCT line of 1600K and the line of purples, the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT line of 1600K;
wherein the green color region comprises a region on the 1931 CIE Chromaticity Diagram defined by the constant CCT line of 6700K, the Planckian locus, and the spectral locus;
wherein the green color region comprises a region on the 1931 CIE Chromaticity Diagram defined by a 60-step MacAdam ellipse centered approximately 65 points above the Planckian locus at 4500K, the Planckian locus, and the constant CCT line of 6700K;
wherein the spectral power distribution for the red channel is between 0.0% to 14.8% for wavelengths between 380 nm to 420 nm, between 2.1% to 15% for wavelengths between 421 nm to 460 nm, between 2.0% to 6.7% for wavelengths between 461 nm to 500 nm, between 1.4% to 12.2% for wavelengths between 501 nm to 540 nm, between 8.7% to 20.5% for wavelengths between 541 nm to 580 nm, between 48.5% and 102.8% for wavelengths between 581 nm to 620 nm, 100% for wavelengths between 621 nm to 660 nm, between 1.8% to 74.3% for wavelengths between 661 nm to 700 nm, between 0.5% to 29.5% for wavelengths between 701 nm to 740 nm, and between 0.3% to 9.0% for wavelengths between 741 nm to 780 nm;
wherein the spectral power distribution for the blue channel is between 0.3% to 8.1% for wavelengths between 380 nm to 420 nm, 100% for wavelengths between 421 nm to 460 nm, between 20.9% and 196.1% for wavelengths between 461 nm to 500 nm, between 15.2% to 35.6% for wavelengths between 501 nm to 540 nm, between 25.3% to 40.5% for wavelengths between 541 nm to 580 nm, between 26.3% and 70.0% for wavelengths between 581 nm to 620 nm, between 15.4% to 80.2% for wavelengths between 621 nm to 660 nm, between 5.9% to 20.4% for wavelengths between 661 nm to 700 nm, between 2.3% to 7.8% for wavelengths between 701 nm to 740 nm, and between 1.0% to 2.3% for wavelengths between 741 nm to 780 nm;
wherein the spectral power distribution for the green channel is between 0.2% to 130.6% for wavelengths between 380 nm to 420 nm, 100% for wavelengths between 421 nm to 460 nm, between 112.7% and 534.7% for wavelengths between 461 nm to 500 nm, between 306.2% to 6748.6% for wavelengths between 501 nm to 540 nm, between 395.1% to 10704.1% for wavelengths between 541 nm to 580 nm, between 318.2% and 13855.8% for wavelengths between 581 nm to 620 nm, between 245% to 15041.2% for wavelengths between 621 nm to 660 nm, between 138.8% to 9802.9% for wavelengths between 661 nm to 700 nm, between 52.6% to 3778.6% for wavelengths between 701 nm to 740 nm, and between 15.9% to 1127.3% for wavelengths between 741 nm to 780 nm;
wherein the device further comprises a fourth LED string comprising one or more LEDs;
wherein the LEDs of the fourth LED string comprise a type of LED selected from 380-420 nm violet saturated LEDs, 200-280 nm UVC saturated LEDs, 850-940 nm near-IR saturated LEDs, 580-620 nm amber-orange/red saturated LEDs, and 460-490 nm long-blue saturated LEDs; and,
wherein the control circuit is further configured to adjust a sixth color point of a sixth unsaturated light that results from a combination of the first, second, and third unsaturated light and a fifth saturated light generated by the fourth LED string, with the sixth color point falls within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between 1800K and 10000K.

US Pat. No. 10,465,864

LINEAR LED LIGHT HOUSING

ECOSENSE LIGHTING INC., ...

1. A modular linear LED lighting system, comprising:a linear LED light housing module;
a linear series internal mechanical attachment within the linear LED light housing module, wherein the linear LED light housing module is configured with at least one open side end exposing a mechanical attachment point while isolating a user from internal electronics for abutting and mechanically securing a second linear LED light housing module to form an extended length linear LED light housing modular assembly; and
a mechanical assembly connection device to hold the linear LED light housing module and the second linear LED light housing module together during assembly of the extended length linear LED light housing modular assembly, such that when the mechanical assembly connection device is in place in a first configuration between the two housing modules there is a space between the two housing modules to facilitate electrical interconnection while maintaining a structurally rigid temporary assembly.

US Pat. No. 10,527,268

LIGHTING SYSTEM HAVING A MOUNTING DEVICE

ECOSENSE LIGHTING INC., ...

1. A lighting system, comprising:a mounting post having a first end being spaced apart along a longitudinal axis from a second end;
a mounting body having a first end being spaced apart along another longitudinal axis from a second end, the first end of the mounting body being pivotally connected at a first pivot axis by a first pivot joint with the first end of the mounting post, the second end of the mounting body having a second pivot joint forming a second pivot axis;
a first lighting module including a first housing and having a first semiconductor light-emitting device in the first housing, the first lighting module being configured for emitting light emissions along a first central light emission axis;
a mounting arm having a first end being spaced apart along a further longitudinal axis from a second end, the first end of the mounting arm being pivotally connected with the mounting body by a one of the first and second pivot joints, the first lighting module being attached to the second end of the mounting arm;
a first bracket being pivotally connected with a first mini-mounting arm at a third pivot axis by a third pivot joint, the first bracket being pivotally connected with the second end of the mounting arm at a fourth pivot axis by a fourth pivot joint, the first mini-mounting arm being attached to the first lighting module;
a second lighting module including a second housing and having a second semiconductor light-emitting device in the second housing, the second lighting module being configured for emitting further light emissions along a second central light emission axis;
another mounting arm having a first end being spaced apart along an additional longitudinal axis from a second end, the first end of the another mounting arm being pivotally connected with the mounting body by another one of the first and second pivot joints, the second lighting module being attached to the second end of the another mounting arm;
wherein the first bracket has a removable set screw or locking bolt both for fixing the first mini-mounting arm at a selected position around the third pivot axis and for fixing the first bracket at a selected position around the fourth pivot axis.

US Pat. No. 10,602,583

SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

Ecosense Lighting Inc., ...

5. A semiconductor light emitting device, comprising:a first light emitting diode (“LED”) string that comprises a first LED that has a first recipient luminophoric medium that comprises a first luminescent material, wherein the first LED and first luminophoric medium together emit a first unsaturated light having a first spectral power distribution having spectral power distribution intensity of between 27.0 and 65.1 for the wavelength range of 501 nm to 600 nm, between 24.8 and 46.4 for the wavelength range of 601 nm to 700 nm, and between 1.1 and 6.8 for the wavelength range of 701 nm to 780 nm, relative to a value of 100.0 for the wavelength range of 380 nm to 500 nm;
a second LED string that comprises a second LED that has a second recipient luminophoric medium that comprises a second luminescent material, wherein the second LED and second luminophoric medium together emit a second unsaturated light having a second spectral power distribution having spectral power distribution intensity of between 3.3 and 17.4 for the wavelength range of 380 nm to 500 nm, between 8.9 and 24.8 for the wavelength range of 501 nm to 600 nm, and between 1.1 and 18.1 for the wavelength range of 701 nm to 780 nm, relative to a value of 100.0 for the wavelength range of 601 nm to 700 nm;
a third LED string that comprises a third LED that has a third recipient luminophoric medium that comprises a third luminescent material, wherein the third LED and third luminophoric medium together emit a third unsaturated light having a third spectral power distribution having spectral power distribution intensity of between 2.4 and 35.8 for the wavelength range of 380 nm to 500 nm, between 61.2 and 142.0 for the wavelength range of 601 nm to 700 nm, and between 7.9 and 21.1 for the wavelength range of 701 nm to 780 nm, relative to a value of 100.0 for the wavelength range of 501 nm to 600 nm;
a fourth LED string that comprises a fourth LED that has a fourth recipient luminophoric medium that comprises a fourth luminescent material, wherein the fourth LED and fourth luminophoric medium together emit a fourth unsaturated light having a fourth spectral power distribution having spectral power distribution intensity of between 19.9 and 32.2 for the wavelength range of 380 nm to 500 nm, between 14.7 and 42.4 for the wavelength range of 601 nm to 700 nm, and between 1.3 and 6.1 for the wavelength range of 701 nm to 780 nm, relative to a value of 100.0 for the wavelength range of 501 nm to 600 nm; and
a drive circuit configured to adjust the relative values of first, second, third, and fourth drive currents provided to the LEDs in the first, second, third, and fourth LED strings, respectively, to adjust a fifth color point of a fifth unsaturated light that results from a combination of the first, second, third, and fourth unsaturated light.

US Pat. No. 10,555,397

SYSTEMS AND METHODS FOR PROVIDING TUNABLE WARM WHITE LIGHT

Ecosense Lighting Inc., ...

1. A method of generating white light, the method comprising:producing light from a first light emitting diode (“LED”) string that comprises a blue LED with a peak wavelength of between about 405 nm and about 470 nm;
producing light from a second light emitting diode (“LED”) string that comprises a blue LED with a peak wavelength of between about 405 nm and about 470 nm;
producing light from a third light emitting diode (“LED”) string that comprises a blue LED with a peak wavelength of between about 405 nm and about 470 nm;
passing the light produced by each of the first, second, and third LED strings through one of a plurality of respective luminophoric mediums to produce a first unsaturated light, a second unsaturated light, and a third unsaturated light, respectively;
combining the first unsaturated light, the second unsaturated light, and the third unsaturated light together into a fourth unsaturated light;
wherein the first unsaturated light has a first color point within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between about 3500K and about 6500K;
wherein the second unsaturated light has a second color point within a red color range defined by the spectral locus between the constant CCT line of 1600K and the line of purples, the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT line of 1600K;
wherein the second unsaturated light has a spectral power distribution that falls between 0.0% to 14.8% for wavelengths between 380 nm to 420 nm, between 2.1% to 15% for wavelengths between 421 nm to 460 nm, between 2.0% to 6.7% for wavelengths between 461 nm to 500 nm, between 1.4% to 12.2% for wavelengths between 501 nm to 540 nm, between 8.7% to 24.7% for wavelengths between 541 nm to 580 nm, between 48.5% and 102.8% for wavelengths between 581 nm to 620 nm, 100% for wavelengths between 621 nm to 660 nm, between 1.8% to 74.3% for wavelengths between 661 nm to 700 nm, between 0.5% to 29.5% for wavelengths between 701 nm to 740 nm, and between 0.3% to 9.0% for wavelengths between 741 nm to 780 nm;
wherein the third unsaturated light has a third color point within a cyan color range defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72), the constant CCT line of 9000K, the Planckian locus between 9000K and 1800K, the constant CCT line of 1800K, and the spectral locus; and
wherein fourth unsaturated light corresponds to at least one of a plurality of points along a predefined path near the black body locus in the 1931 CIE Chromaticity Diagram within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between about 1800K and about 3200K.

US Pat. No. 10,551,010

MULTIZONE MIXING CUP

Ecosense Lighting Inc., ...

1. A zoned light mixing unit, comprising:a unitary body with multiple reflective cavities, each cavity having an open bottom and an open top which terminates below a top of the unitary body;
a common interior annular wall above the open tops;
a plurality of domed lumo converting appliance (DLCA) with open bottoms;
wherein a DLCA is affixed at an interface within the open bottom of each reflective cavity;
wherein each open top meets the common interior annular wall at a connection; the open tops having a shared internal top;
wherein a plurality of angled light mixing members are positioned between each connection; and,
at least one light mixing rib (LMR) spanning from the shared internal top through the unitary body and attached to a portion of the common interior annular wall.

US Pat. No. 10,694,593

DYNAMIC POWER SUPPLY FOR LIGHT EMITTING DIODE

ECOSENSE LIGHTING, INC., ...

1. A power supply for powering a light emitting diode (“LED”), wherein said LED has a forward voltage when operating, wherein said forward voltage changes during operation, said power supply comprising:a boost circuit configured for increasing power from a first voltage to a second voltage;
a capacitor coupled to said boost circuit to receive said power at said second voltage, said capacitor having a capacitor voltage when charged;
a buck circuit coupled to said capacitor and said LED and configured to draw current from said capacitor and deliver a fixed and regulated current to said LED; and
a voltage regulation circuit for adjusting said power received by said capacitor to maintain said capacitor voltage just above said forward voltage as said forward voltage changes, wherein said voltage regulation circuit is configured to monitor said forward voltage directly from said LED;
a comparator for receiving as input a voltage established on a terminal of said LED and a reference voltage source and generating a control signal;
wherein said voltage regulation circuit is configured to monitor said forward voltage and control said capacitor voltage such that said capacitor voltage just exceeds said forward voltage based on said control signal, wherein said voltage regulation circuit is configured to control said capacitor voltage by decreasing said capacitor voltage when said control signal is below a first threshold, and increasing said capacitor voltage when said control signal is above a second threshold, wherein said first and second threshold are established such that said capacitor voltage is maintained just above said forward voltage.

US Pat. No. 10,701,776

METHODS FOR GENERATING MELATONIN-RESPONSE-TUNED WHITE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting, Inc., ...

1. A method of generating white light, the method comprising:producing light from a first light emitting diode (“LED”) string;
producing light from a second LED string;
producing light from a third LED string, a fourth LED string, or both the third LED string and the fourth LED string; and
passing the light produced by each of the first, second, third, and fourth LED strings through one of a plurality of respective luminophoric mediums;
combining the light exiting the plurality of respective luminophoric mediums together into white light;
wherein the combined white light corresponds to at least one of a plurality of points along a predefined path near the black body locus in the 1931 CIE Chromaticity Diagram;
wherein one or more of the first, second, third, and fourth LED strings comprises a ultraviolet or violet LED having a peak wavelength of between about 360 nm and about 430 nm;
wherein:
the light produced from the first LED string is passed through a first recipient luminophoric medium that comprises a first luminescent material, wherein light exiting the first luminophoric medium comprises unsaturated light having a first color point within a blue color range;
the light produced from the second LED string is passed through a second recipient luminophoric medium that comprises a second luminescent material, wherein the light exiting the second luminophoric medium comprises unsaturated light having a second color point within a red color range;
the light produced from the third LED string is passed through a third recipient luminophoric medium that comprises a third luminescent material, wherein the light exiting the third luminophoric medium comprises unsaturated light having a third color point within a yellow/green color range;
the light produced from the fourth LED string is passed through a fourth recipient luminophoric medium that comprises a fourth luminescent material, wherein the light exiting the fourth luminophoric medium comprises unsaturated light having a fourth color point within a cyan color range; and,
wherein
the blue color range is defined by a line connecting the ccx, ccy color coordinates of the infinity point of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT, the constant CCT line of 4000K, the line of purples, and the spectral locus
the red color range is defined by the spectral locus between the constant CCT line of 1600K and the line of purples, the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT line of 1600K
the yellow/green color range is defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K, the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);
the cyan color range is defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72), the constant CCT line of 9000K, the Planckian locus between 9000K and 4600K, the constant CCT line of 4600K, and the spectral locus.

US Pat. No. 10,677,399

METHODS FOR GENERATING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

ECOSENSE LIGHTING INC., ...

1. A method of generating white light, the method comprising:producing light from a first light emitting diode (“LED”) string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a second LED string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a third LED string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a fourth LED string that comprises a cyan LED with peak wavelength of between about 485 nm and about 520 nm; and
passing the light produced by each of the first, second, third, and fourth LED strings through one of a plurality of respective luminophoric mediums;
combining the light exiting the plurality of respective luminophoric mediums together into white light;
wherein the combined white light corresponds to at least one of a plurality of points along a predefined path near the black body locus in the 1931 CIE Chromaticity Diagram;
wherein the generated white light falls within a 7-step MacAdam ellipse around any point on the black body locus having a correlated color temperature between 1800K and 10000K; and
wherein the method further comprises generating white light corresponding to a plurality of points along a predefined path with the light generated at each point having light with Rf greater than or equal to about 80, Rg greater than or equal to about 80 and less than or equal to about 120, or both and;
wherein:
the light produced from the first LED string is passed through a first recipient luminophoric medium that comprises a first luminescent material, wherein light exiting the first luminophoric medium comprises unsaturated light having a first color point within a blue color range defined by a line connecting the ccx, ccy color coordinates of the infinity point of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT, the constant CCT line of 4000K, the line of purples, and the spectral locus;
the light produced from the second LED string is passed through a second recipient luminophoric medium that comprises a second luminescent material, wherein the light exiting the second luminophoric medium comprises unsaturated light having a second color point within a red color range defined by the spectral locus between the constant CCT line of 1600K and the line of purples, the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT line of 1600K;
the light produced from the third LED string is passed through a third recipient luminophoric medium that comprises a third luminescent material, wherein the light exiting the third luminophoric medium comprises unsaturated light having a third color point within a yellow/green color range defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K, the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);
the light produced from the fourth LED string is passed through a fourth recipient luminophoric medium that comprises a fourth luminescent material, wherein the light exiting the fourth luminophoric medium comprises unsaturated light having a fourth color point within a cyan color range defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72), the constant CCT line of 9000K, the Planckian locus between 9000K and 4600K, the constant CCT line of 4600K, and the spectral locus.

US Pat. No. 10,649,127

OPTICAL DEVICES AND SYSTEMS HAVING A CONVERGING LENS WITH GROOVES

ECOSENSE LIGHTING INC., ...

1. A lens device, comprising:a converging lens having a light output surface being spaced apart along a lens axis from a light input surface, the converging lens further having a total internal reflection side surface being spaced apart around the lens axis and having a frusto-conical shape extending between the light input and output surfaces of the converging lens;
wherein a portion of the light input surface of the converging lens includes a light input cavity being bounded by a perimeter, the light input cavity having a central axis and being generally shaped as a portion of a spheroid;
wherein the light input cavity has a plurality of grooves each respectively following one of a plurality of splines along the light input surface that intersects with the central axis of the light input cavity and with one of a respective plurality of points on the perimeter.

US Pat. No. 10,697,595

METHODS FOR GENERATING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting, Inc., ...

1. A method of generating white light, the method comprising:producing light from a first light emitting diode (“LED”) string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a second LED string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a third LED string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a fourth LED string that comprises a cyan LED with peak wavelength of between about 485 nm and about 520 nm; and
passing the light produced by each of the first, second, third, and fourth LED strings through one of a plurality of respective luminophoric mediums;
wherein the light produced by the second LED string generates a red color point after passing through said one of the plurality of respective luminophoric mediums;
wherein a spectral power distribution for the red color point is between 0.0% to 14.8% for wavelengths between 380 nm to 420 nm, between 2.1% to 15% for wavelengths between 421 nm to 460 nm, between 2.0% to 6.7% for wavelengths between 461 nm to 500 nm, between 1.4% to 12.2% for wavelengths between 501 nm to 540 nm, between 8.7% to 20.5% for wavelengths between 541 nm to 580 nm, between 48.5% and 102.8% for wavelengths between 581 nm to 620 nm, 100% for wavelengths between 621 nm to 660 nm, between 1.8% to 74.3% for wavelengths between 661 nm to 700 nm, between 0.5% to 29.5% for wavelengths between 701 nm to 740 nm, and between 0.3% to 9.0% for wavelengths between 741 nm to 780 nm; and
combining the light exiting said each of the plurality of respective luminophoric mediums together into the white light;
wherein the white light corresponds to at least one of a plurality of points along a predefined path near the black body locus in the 1931 CIE Chromaticity Diagram.

US Pat. No. 10,701,775

METHODS FOR GENERATING MELATONIN-RESPONSE-TUNED WHITE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting, Inc., ...

1. A method of generating white light, the method comprising:producing light from a first light emitting diode (“LED”) string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a second LED string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm;
producing light from a third LED string that comprises a blue LED with peak wavelength of between about 405 nm and about 470 nm, a fourth LED string that comprises a cyan LED with peak wavelength of between about 485 nm and about 520 nm; and
passing the light produced by each of the first, second, third, and fourth LED strings through one of a plurality of respective luminophoric mediums;
wherein the light produced by the second LED string generates a red color point after passing through said one of the plurality of respective luminophoric mediums;
wherein spectral power distribution for the red color point includes between 48.5% and 102.8% for wavelengths between 581 nm to 620 nm, 100% for wavelengths between 621 nm to 660 nm, between 1.8% to 74.3% for wavelengths between 661 nm to 700 nm, between 0.5% to 29.5% for wavelengths between 701 nm to 740 nm, and between 0.3% to 9.0% for wavelengths between 741 nm to 780 nm; and
combining the light exiting each of the plurality of respective luminophoric mediums together into the white light;
wherein the white light corresponds to at least one of a plurality of points along a predefined path near the black body locus in the 1931 CIE Chromaticity Diagram.

US Pat. No. 10,700,244

SYSTEM AND METHOD FOR SELECTED PUMP LEDS WITH MULTIPLE PHOSPHORS

ECOSENSE LIGHTING, INC., ...

1. A light emitting system for emitting white light, said light emitting system comprising:a first set of LEDs comprising at least one first LED and emitting a first light having a first peak wavelength in a range 405-430 nm,
a second set of LEDs comprising at least one second LED and emitting a second light having a second peak wavelength which is longer than the first peak wavelength; and
a wavelength-converting material, configured to substantially absorb a portion of light from one of the first or second sets of LEDs and convert it to a third light, without substantially absorbing light from the other set of LEDs;
wherein said white light comprise at least a portion of said first, second and third lights.

US Pat. No. 9,526,143

SYSTEMS FOR PROVIDING TUNABLE WHITE LIGHT WITH HIGH COLOR RENDERING

EcoSense Lighting Inc, L...

1. A semiconductor light emitting device, comprising:
a first light emitting diode (LED) string that comprises a first LED that has a first recipient luminophoric medium that comprises
a first luminescent material, wherein the first LED and first luminophoric medium together emit a first unsaturated light
having a first color point within a blue color range defined by a line connecting the ccx, ccy color coordinates of the infinity
point of the Planckian locus (0.242, 0.24) and (0.12, 0.068), the Planckian locus from 4000K and infinite CCT, the constant
CCT line of 4000K, the line of purples, and the spectral locus;

a second LED string that comprises a second LED that has a second recipient luminophoric medium that comprises a second luminescent
material, wherein the second LED and second luminophoric medium together emit a second unsaturated light having a second color
point within a red color range defined by the spectral locus between the constant CCT line of 1600K and the line of purples,
the line of purples, a line connecting the ccx, ccy color coordinates (0.61, 0.21) and (0.47, 0.28), and the constant CCT
line of 1600K;

a third LED string that comprises a third LED that has a third recipient luminophoric medium that comprises a third luminescent
material, wherein the third LED and third luminophoric medium together emit a third unsaturated light having a third color
point within a yellow/green color range defined by the constant CCT line of 4600K, the Planckian locus between 4600K and 550K,
the spectral locus, and a line connecting the ccx, ccy color coordinates (0.445, 0.555) and (0.38, 0.505);

a fourth LED string that comprises a fourth LED that has a fourth recipient luminophoric medium that comprises a fourth luminescent
material, wherein the fourth LED and fourth luminophoric medium together emit a fourth unsaturated light having a fourth color
point within a cyan color range defined by a line connecting the ccx, ccy color coordinates (0.18, 0.55) and (0.27, 0.72),
the constant CCT line of 9000K, the Planckian locus between 9000K and 4600K, the constant CCT line of 4600K, and the spectral
locus; and

a drive circuit that is responsive to input from one or more of an end user of the semiconductor light emitting device and
one or more sensors measuring a characteristic associated with the performance of the semiconductor light emitting device,

wherein the drive circuit is configured to adjust the relative values of first, second, third, and fourth drive currents provided
to the LEDs in the first, second, third, and fourth LED strings, respectively, to adjust a fifth color point of a fifth unsaturated
light that results from a combination of the first, second, third, and fourth unsaturated light.