Patents Assigned to ECOSENSE LIGHTING INC.
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Publication number: 20210018150Abstract: The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.Type: ApplicationFiled: June 3, 2020Publication date: January 21, 2021Applicant: Ecosense Lighting Inc.Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
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Publication number: 20210022221Abstract: The present disclosure provides methods for generating tunable white light with controllable circadian energy performance. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output. Different light emitting modes can be selected that utilize different combinations of the plurality of LED strings in order to tune the generated white light. One or more of the LED strings can have ultraviolet or violet LEDs.Type: ApplicationFiled: May 28, 2020Publication date: January 21, 2021Applicant: Ecosense Lighting Inc.Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
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Publication number: 20210022220Abstract: The present disclosure provides methods for generating tunable white light with controllable circadian energy performance. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output. Different light emitting modes can be selected that utilize different combinations of the plurality of LED strings in order to tune the generated white light.Type: ApplicationFiled: May 28, 2020Publication date: January 21, 2021Applicant: Ecosense Lighting Inc.Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
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Patent number: 10885377Abstract: A platform for design of a lighting installation generally includes an automated search engine for retrieving and storing a plurality of lighting objects in a lighting object library and a lighting design environment providing a visual representation of a lighting space containing lighting space objects and lighting objects. The visual representation is based on properties of the lighting space objects and lighting objects obtained from the lighting object library. A plurality of aesthetic filters is configured to permit a designer in a design environment to adjust parameters of the plurality of lighting objects handled in the design environment to provide a desired collective lighting effect using the plurality of lighting objects.Type: GrantFiled: October 25, 2019Date of Patent: January 5, 2021Assignee: ECOSENSE LIGHTING INC.Inventors: Benjamin James Harrison, Shruti Koparkar, Mark Reynoso, Paul Pickard, Raghuram L. V. Petluri, Gary Vick, Andrew Villegas
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Patent number: 10880962Abstract: Lighting system including first-, second-, and third-light sources each having semiconductor light-emitting device. First source includes lumiphor; and is configured for emitting first light source emissions having first color point between isotherms of CCTs of about 4800K-2500K; and is located within about 0.006 delta(uv) away from Planckian—black-body locus of CIE 1931 XY chromaticity diagram. Second light source is configured for emitting second light source emissions having second color point between isotherms of CCTs of about 2900K-1700K. Third light source is configured for emitting third light source emissions having: third color point between line-of-purples and isotherm of CCT of about 1500K; and dominant- or peak-wavelength between about 590-700 nanometers. Lighting system is configured for forming combined light emissions and causing combined color points to remain below Planckian—black-body locus by about 0.001-0.009 delta(uv) throughout light brightening/dimming curve. Related processes.Type: GrantFiled: October 1, 2019Date of Patent: December 29, 2020Assignee: ECOSENSE LIGHTING INC.Inventors: Raghuram L. V. Petluri, Paul Pickard
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Patent number: 10848064Abstract: Switched-mode power supply (SMPS) integrated circuit including direct current step-down converter, switch, and element for potential energy storage in electric field and having T-On voltage. SMPS configured to: receive DC input current and output through load; operate in boundary conduction mode applying pulse-width-modulated voltage to switch for controlling T-On/T-Off duty cycle; generate regulated T-On current setting maximum T-On; monitor input voltage by reduction to voltage signal range; convert signal voltage to signal current value within current signal range; output T-On modulation current including signal current; combine T-On modulation current with regulated T-On current during T-On period to store potential energy in element while monitoring T-On voltage of element; and initiate T-Off period when potential energy stored in element reaches maximum T-On voltage. Further SMPS's. Method of operating SMPS's.Type: GrantFiled: October 14, 2019Date of Patent: November 24, 2020Assignee: ECOSENSE LIGHTING INC.Inventors: Mustafa Homsi, Chris Strickler
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Patent number: 10827580Abstract: The present disclosure provides lighting systems suitable for generating white light. The lighting systems can have a first lighting channel configured to produce a first white light having a first color point and a first spectral power distribution, a second lighting channel configured to produce a second white light having a second color point and a second spectral power distribution, and a control system configured to independently change the intensity of each of the first lighting channel and the second lighting channel. The first lighting channels can have LEDs having an emission with a first peak wavelength of between about 440 nm and about 510 nm. The second lighting channels can have LEDs having an emission with a second peak wavelength of between about 380 nm and about 420 nm. The disclosure provides methods of generating white light using the lighting systems described.Type: GrantFiled: October 11, 2019Date of Patent: November 3, 2020Assignee: EcoSense Lighting, Inc.Inventors: Raghuram L. V Petluri, Paul Kenneth Pickard
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Patent number: 10817745Abstract: A platform for design of a lighting installation generally includes an automated search engine for retrieving and storing a plurality of lighting objects in a lighting object library and a lighting design environment providing a visual representation of a lighting space containing lighting space objects and lighting objects. The visual representation is based on properties of the lighting space objects and lighting objects obtained from the lighting object library. A plurality of aesthetic filters is configured to permit a designer in a design environment to adjust parameters of the plurality of lighting objects handled in the design environment to provide a desired collective lighting effect using the plurality of lighting objects.Type: GrantFiled: October 25, 2019Date of Patent: October 27, 2020Assignee: ECOSENSE LIGHTING INC.Inventors: Benjamin James Harrison, Shruti Koparkar, Mark Reynoso, Paul Pickard, Raghuram L. V. Petluri, Gary Vick, Andrew Villegas
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Patent number: 10817746Abstract: A platform for design of a lighting installation generally includes an automated search engine for retrieving and storing a plurality of lighting objects in a lighting object library and a lighting design environment providing a visual representation of a lighting space containing lighting space objects and lighting objects. The visual representation is based on properties of the lighting space objects and lighting objects obtained from the lighting object library. A plurality of aesthetic filters is configured to permit a designer in a design environment to adjust parameters of the plurality of lighting objects handled in the design environment to provide a desired collective lighting effect using the plurality of lighting objects.Type: GrantFiled: October 25, 2019Date of Patent: October 27, 2020Assignee: ECOSENSE LIGHTING INC.Inventors: Benjamin James Harrison, Shruti Koparkar, Mark Reynoso, Paul Pickard, Raghuram L. V. Petluri, Gary Vick, Andrew Villegas
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Patent number: 10805998Abstract: Display systems for displaying digital content. The display systems have one or more LED-based lighting channels adapted to generate a circadian-inducing blue light output in first operational mode and a less-circadian-inducing blue light output in a second operational mode. The circadian-inducing blue light can have a first circadian-stimulating energy characteristic related to the associated first spectral power distributions of light generated in the first operational mode, and the non-circadian-inducing blue light can have a second circadian-stimulating energy characteristic related to the associated second spectral power distribution of light generated in the second operational mode. Disclosure methods of generating digital display content with the display systems described herein. The methods can generate a circadian-inducing blue light output in first operational mode and a less-circadian-inducing blue light output in a second operational mode.Type: GrantFiled: April 24, 2019Date of Patent: October 13, 2020Assignee: EcoSense Lighting, Inc.Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard, Benjamin Harrison, Shruti Koparkar
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Patent number: 10801696Abstract: Lighting system. Bowl reflector has rim defining horizon and aperture, first light-reflective surface defining cavity, first parabolic surface. Funnel reflector has flared funnel-shaped body: central axis; second light-reflective surface aligned along axis; second parabolic surface; tip located within cavity along axis; profile including parabolic curves converging towards tip. Optically-transparent body aligned with second light-reflective surface along axis; with: bases spaced apart by side surface; first base facing light source. Second parabolic surface has ring of focal points at first position within cavity, equidistant from second parabolic surface; ring encircles first point on axis. Second parabolic surface has axes of symmetry intersecting with and radiating in directions all around axis from second point. Axes of symmetry intersect with focal points. Second point on axis between first point and horizon.Type: GrantFiled: May 2, 2019Date of Patent: October 13, 2020Assignee: ECOSENSE LIGHTING INC.Inventors: Sana Ashraf, Xin Zhang, Paul Pickard, Raghuram L. V. Petluri, Elizabeth Rodgers, Richard Wu
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Patent number: 10788168Abstract: A zoned optical cup which mixes multiple channels of light to form a blended output, the device having discreet zones or channels including a plurality of reflective cavities each having a domed light converting appliance (DLCA) covering a cluster of LEDs providing a channel of light which is reflected upward by the cavities and mixed by angles walls and structures above the open top of the cavities in the common body of the cup.Type: GrantFiled: February 3, 2020Date of Patent: September 29, 2020Assignee: Ecosense Lighting Inc.Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
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Publication number: 20200300423Abstract: Systems and methods to provide multiple channels of light to form a blended white light output, the systems and methods utilizing recipient luminophoric mediums to alter light provided by light emitting diodes. The predetermined blends of luminescent materials within the luminophoric mediums provide predetermined spectral power distributions in the white light output.Type: ApplicationFiled: June 8, 2020Publication date: September 24, 2020Applicant: Ecosense Lighting Inc.Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
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Patent number: 10774997Abstract: Systems and methods to provide multiple channels of light to form a blended white light output, the systems and methods utilizing recipient luminophoric mediums to alter light provided by light emitting diodes. The predetermined blends of luminescent materials within the luminophoric mediums provide predetermined spectral power distributions in the white light output.Type: GrantFiled: July 30, 2018Date of Patent: September 15, 2020Assignee: EcoSense Lighting, Inc.Inventors: Raghuram L. V Petluri, Paul Kenneth Pickard
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Patent number: 10779371Abstract: The present disclosure provides methods for generating tunable white light. The methods include using a plurality of LED strings to generate light with color points that fall within white, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.Type: GrantFiled: January 17, 2020Date of Patent: September 15, 2020Assignee: Ecosense Lighting Inc.Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
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Publication number: 20200288550Abstract: The present disclosure provides methods for generating tunable white light with controllable circadian energy performance. The methods use a plurality of LED to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED being driven with a separately controllable drive current in order to tune the generated light output. Different light emitting modes can be selected that utilize different combinations of the plurality of LED in order to tune the generated white light.Type: ApplicationFiled: May 20, 2020Publication date: September 10, 2020Applicant: Ecosense Lighting Inc.Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
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Patent number: 10753552Abstract: Systems and methods to provide multiple channels of light to form a blended white light output, the systems and methods utilizing recipient luminophoric mediums to alter light provided by light emitting diodes. The predetermined blends of luminescent materials within the luminophoric mediums provide predetermined spectral power distributions in the white light output.Type: GrantFiled: November 4, 2019Date of Patent: August 25, 2020Assignee: ECOSENSE LIGHTING INC.Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
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Patent number: 10750587Abstract: System for determining periodic values of phase angle ? of waveform power input including voltage detector for detecting periodic values of average voltage of waveform power input and detecting corresponding periodic values of peak voltage of waveform power input. System also includes phase angle ? detector in signal communication for receiving periodic values of average voltage and peak voltage from voltage detector. Phase angle ? detector also detects periodic values each being ratio of one of periodic values of average voltage divided by corresponding periodic value of peak voltage, or being ratio of peak voltage divided by average voltage; and determines periodic values of phase angle ? of waveform power input corresponding to periodic values of ratio. Lighting systems.Type: GrantFiled: April 10, 2019Date of Patent: August 18, 2020Assignee: EcoSense Lighting Inc.Inventor: Mustafa Homsi
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Patent number: 10750591Abstract: The present disclosure provides methods for generating tunable white light with controllable circadian energy performance. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output. Different light emitting modes can be selected that utilize different combinations of the plurality of LED strings in order to tune the generated white light.Type: GrantFiled: July 30, 2018Date of Patent: August 18, 2020Assignee: EcoSense Lighting, Inc.Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
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Patent number: 10750590Abstract: The present disclosure provides systems for generating tunable white light. The systems include a plurality of LED strings that generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.Type: GrantFiled: July 30, 2018Date of Patent: August 18, 2020Assignee: EcoSense Lighting, Inc.Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard