Patents by Inventor Paul Kenneth Pickard

Paul Kenneth Pickard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220323785
    Abstract: A method includes providing a pixelated surface, providing at least one sensor configured to track movement of at least one eye of a user relative to the surface, detecting one or more portions of the surface based on the tracked movement and adjusting one or more properties in relation to the one or more detected portions such that a dosing of one of cyan and long-red, near-infrared (NIR) illumination is provided, while the user is gazing at the one or more portions.
    Type: Application
    Filed: June 20, 2022
    Publication date: October 13, 2022
    Inventors: RAGHURAM L.V. PETLURI, PAUL KENNETH PICKARD
  • Publication number: 20220272820
    Abstract: A display system for displaying digital content includes one or more LED-based lighting channels adapted to generate a first light output in a first operational mode at a first circadian stimulating energy (CSE), and a second light output in a second operational mode, the second light output associated with a second CSE, and a long red near infrared energy (LRNE) output in a third operating mode.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 25, 2022
    Inventors: Raghuram L.V. PETLURI, Paul Kenneth PICKARD
  • Publication number: 20220272806
    Abstract: A tunable lighting system comprising a plurality of channels comprising at least, a first channel for emitting blue light and having a wavelength peak between 420 nm and 480 nm, a second channel for emitting cyan light having a wavelength peak between 450 nm and 530 nm, a third channel for emitting cyan-green light having a wavelength peak between 510 nm and 590 nm, a fourth channel for emitting red light having a wavelength peak between 510 nm and 780 nm, and a multichannel driver for driving a selection of said plurality of channels, said multichannel driver is configured to drive each channel independently such that said light system emits an emitted light with a CRI of at least 85 over a CCT range greater than 3000 K.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 25, 2022
    Inventors: Raghuram L. V. Petluri, Paul Kenneth PICKARD
  • Publication number: 20220264716
    Abstract: 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: Application
    Filed: December 27, 2021
    Publication date: August 18, 2022
    Applicant: Ecosense Lighting Inc.
    Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
  • Patent number: 11400179
    Abstract: An air purification system, includes a UVC light source arranged within an internal space of a purification chamber and adapted to irradiate the internal space with UVC, an airflow system arranged to introduce environmental air from outside of the air purification system into the internal space of the purification chamber and expel purified air from the purification chamber back outside of the air purification system, and a light blocking system arranged to block a substantial amount of the irradiated UVC from emitting outside of the air purification system, the light blocking system comprising a high-air-flow open structure mounted in the airflow system of the purification chamber, wherein the open structure comprises a front surface, rear surface and a thickness, wherein the front and rear surfaces have a plurality of open areas connected through the thickness, and wherein at least one of the plurality of open areas is of a size with respect to the thickness to block light from traversing the thickness when
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: August 2, 2022
    Assignee: KORRUS, INC.
    Inventors: Mark Reynoso, Benjamin Harrison, Paul Kenneth Pickard, Robert Fletcher
  • Publication number: 20220211896
    Abstract: An air purification system, includes a UVC light source arranged within an internal space of a purification chamber and adapted to irradiate the internal space with UVC, an airflow system arranged to introduce environmental air from outside of the air purification system into the internal space of the purification chamber and expel purified air from the purification chamber back outside of the air purification system, and a light blocking system arranged to block a substantial amount of the irradiated UVC from emitting outside of the air purification system, the light blocking system comprising a high-air-flow open structure mounted in the airflow system of the purification chamber, wherein the open structure comprises a front surface, rear surface and a thickness, wherein the front and rear surfaces have a plurality of open areas connected through the thickness, and wherein at least one of the plurality of open areas is of a size with respect to the thickness to block light from traversing the thickness when
    Type: Application
    Filed: March 28, 2022
    Publication date: July 7, 2022
    Inventors: Mark Reynoso, Benjamin Harrison, Paul Kenneth Pickard, Robert Fletcher
  • Publication number: 20220205598
    Abstract: An 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 remote phosphor light converting appliance covering a cluster of LEDs providing a channel of light which is reflected upward. The predetermined blends of phosphors provide a predetermined range of illumination wavelengths in the output.
    Type: Application
    Filed: January 18, 2022
    Publication date: June 30, 2022
    Applicant: Ecosense Lighting Inc.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard, Robert FLETCHER
  • Publication number: 20220204839
    Abstract: 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: Application
    Filed: December 13, 2021
    Publication date: June 30, 2022
    Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
  • Patent number: 11371660
    Abstract: 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 red, blue, green, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output. Methods of generating white light by combining light generated by red, blue, green, and cyan color channels. Methods of generating white light points at substantially the same 1931 CIE chromaticity diagram color coordinates having different EML.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: June 28, 2022
    Assignee: KORRUS, INC.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
  • Patent number: 11369013
    Abstract: 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: Grant
    Filed: November 3, 2020
    Date of Patent: June 21, 2022
    Assignee: KORRUS, INC.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
  • Publication number: 20220180803
    Abstract: Bioactive display systems for displaying digital content. The display systems have one or more LED-based lighting channels adapted to generate one or more of a long red near infrared (LRNE) red light, a circadian-inducing blue light output in first operational mode and a less-circadian-inducing blue light output in a second operational mode. The bioactive lighting 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.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 9, 2022
    Inventors: Raghuram L. V. Petluri, Paul Kenneth PICKARD, Benjamin Harrison
  • Publication number: 20220178515
    Abstract: A color correcting optical component (CCOC) for reducing the correlated color temperature (CCT) of a light source emitting a first light, the CCOC comprising: (a) a light transmitting component, the light transmitting component being discrete from the light source; (b) a connector operatively attached to the light transmitting component for connecting the light transmitting component to the light source such that at least a portion of the first light passes through the light transmitting component; (c) a plurality of quantum dots (QDs) disposed in the light transmitting component, the QDs configured to downconvert a portion of the first light to a second light, wherein the light transmitting component emits emitted light comprising a combination of at least the first light and second light.
    Type: Application
    Filed: December 3, 2021
    Publication date: June 9, 2022
    Inventor: Paul Kenneth Pickard
  • Publication number: 20220169924
    Abstract: 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: Application
    Filed: November 8, 2021
    Publication date: June 2, 2022
    Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
  • Patent number: 11338053
    Abstract: An air purification system, includes a UVC light source arranged within an internal space of a purification chamber and adapted to irradiate the internal space with UVC, an airflow system arranged to introduce environmental air from outside of the air purification system into the internal space of the purification chamber and expel purified air from the purification chamber back outside of the air purification system, and a light blocking system arranged to block a substantial amount of the irradiated UVC from emitting outside of the air purification system, the light blocking system comprising a high-air-flow open structure mounted in the airflow system of the purification chamber, wherein the open structure comprises a front surface, rear surface and a thickness, wherein the front and rear surfaces have a plurality of open areas connected through the thickness, and wherein at least one of the plurality of open areas is of a size with respect to the thickness to block light from traversing the thickness when
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: May 24, 2022
    Assignee: KORRUS, INC.
    Inventors: Mark Reynoso, Benjamin Harrison, Paul Kenneth Pickard, Robert Fletcher
  • Patent number: 11308849
    Abstract: 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: Grant
    Filed: October 13, 2020
    Date of Patent: April 19, 2022
    Assignee: ECOSENSE LIGHTING INC.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard, Benjamin Harrison, Shruti Koparkar
  • Patent number: 11287692
    Abstract: A backlit display for emitting a display light, said display comprising a backlight configured to emit a high circadian stimulation backlight spectrum having a spectral power distribution (SPD) with an overall power, and a blue range from 440-490 nm with a blue SPD power of at least 25% of said overall power, a pixel array comprising at least three filters, said at least three filter comprising at least a first filter, a second filter, and third filter, forming at least three sub-pixels, wherein said backlight is configured to backlight said pixel array, and wherein said display light has a gamut having an sRGB coverage of at least 85%.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 29, 2022
    Assignee: ECOSENSE LIGHTING INC.
    Inventors: Paul Kenneth Pickard, Sina Afshari, Raghuram L. V. Petluri
  • Publication number: 20220086979
    Abstract: 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: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Raghuram L.V. Petluri, Paul Kenneth Pickard
  • Publication number: 20220068893
    Abstract: 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: Application
    Filed: July 12, 2021
    Publication date: March 3, 2022
    Inventors: RAGHURAM L.V. PETLURI, PAUL KENNETH PICKARD
  • Patent number: 11265983
    Abstract: The present disclosure provides lighting systems, which may be semiconductor light emitting devices, with two or more of blue, red, short-blue-pumped cyan, long-blue-pumped cyan, yellow, and violet channels. The lighting systems can have a plurality of operational modes that provide different biological effects while having good color rendering capability. The yellow and violet channels can include violet LEDs and be used in operational modes that provide white light with lower EML values relative to operational modes using three or more of the blue, red, short-blue-pumped cyan, and long-blue-pumped cyan color channels. The yellow, red, and violet channels can be used in an operational mode to provide low EML values while providing white light between about 1800K and about 3500K CCT.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: March 1, 2022
    Assignee: ECOSENSE LIGHTING INC.
    Inventors: Raghuram L. V. Petluri, Paul Kenneth Pickard
  • Publication number: 20220047760
    Abstract: An air purification system, includes a UVC light source arranged within an internal space of a purification chamber and adapted to irradiate the internal space with UVC, an airflow system arranged to introduce environmental air from outside of the air purification system into the internal space of the purification chamber and expel purified air from the purification chamber back outside of the air purification system, and a light blocking system arranged to block a substantial amount of the irradiated UVC from emitting outside of the air purification system, the light blocking system comprising a high-air-flow open structure mounted in the airflow system of the purification chamber, wherein the open structure comprises a front surface, rear surface and a thickness, wherein the front and rear surfaces have a plurality of open areas connected through the thickness, and wherein at least one of the plurality of open areas is of a size with respect to the thickness to block light from traversing the thickness when
    Type: Application
    Filed: February 25, 2021
    Publication date: February 17, 2022
    Inventors: Mark Reynoso, Benjamin Harrison, Paul Kenneth Pickard, Robert Fletcher