Patents by Inventor John Popovich
John Popovich 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).
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Publication number: 20240160149Abstract: Systems and methods for fabricating optical elements in accordance with various embodiments of the invention are illustrated. One embodiment includes a method for fabricating an optical element, the method including providing a first optical substrate, depositing a first layer of a first optical recording material onto the first optical substrate, applying an optical exposure process to the first layer to form a first optical structure, temporarily erasing the first optical structure, depositing a second layer of a second optical recording material, and applying an optical exposure process to the second layer to form a second optical structure, wherein the optical exposure process includes using at least one light beam traversing the first layer.Type: ApplicationFiled: July 17, 2023Publication date: May 16, 2024Applicant: DigiLens Inc.Inventors: Jonathan David Waldern, Alastair John Grant, Milan Momcilo Popovich
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Publication number: 20240152094Abstract: Holographic volume gratings in waveguide cells can be recorded using many different methods and systems in accordance with various embodiments of the invention. One embodiment includes a holographic recording system including at least one laser source configured to emit recording beams and a movable platform configured to move between a first position and a second position, wherein when the movable platform is in the first position, the at least one laser source is configured to emit a first set of one or more recording beams toward a first set of one or more stations and when the movable platform is in the second position, the at least one laser source is configured to emit a second set of one or more recording beams toward a second set of one or more stations.Type: ApplicationFiled: July 17, 2023Publication date: May 9, 2024Applicant: DigiLens Inc.Inventors: Jonathan David Waldern, Alastair John Grant, Milan Momcilo Popovich, Ratson Morad, Sean Michael Williams
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Publication number: 20240151890Abstract: An apparatus for displaying an image, including: an input image node configured to provide at least a first and a second image modulated lights; and a holographic waveguide device configured to propagate the at least one of the first and second image modulated lights in at least a first direction. The holographic waveguide device includes: at least a first and second interspersed multiplicities of grating elements disposed in at least one layer, the first and second grating elements having respectively a first and a second prescriptions. The first and second multiplicity of grating elements are configured to deflect respectively the first and second image modulated lights out of the at least one layer into respectively a first and a second multiplicities of output rays forming respectively a first and second FOV tiles.Type: ApplicationFiled: June 6, 2023Publication date: May 9, 2024Applicants: DigiLens Inc., Rockwell Collins, Inc.Inventors: Milan Momcilo Popovich, Jonathan David Waldern, Alastair John Grant, Wyatt L. Hendrick, James H. Stanley
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Publication number: 20240142695Abstract: Improvements to gratings for use in waveguides and methods of producing them are described herein. Deep surface relief gratings (SRGs) may offer many advantages over conventional SRGs and Bragg gratings, an important one being a higher S-diffraction efficiency. In one embodiment, deep SRGs can be implemented as polymer surface relief gratings or evacuated Bragg gratings (EBGs). EBGs can be formed by first recording a holographic polymer dispersed liquid crystal (HPDLC) grating. Removing the liquid crystal from the cured grating provides a polymer surface relief grating. Polymer surface relief gratings have many applications including for use in waveguide-based displays.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Applicant: DigiLens Inc.Inventors: Jonathan David Waldern, Alastair John Grant, Milan Momcilo Popovich, Shibu Abraham, Baeddan George Hill, Tsung-Jui Ho
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Publication number: 20240134244Abstract: One embodiment provides an apparatus for displaying an image comprising: a first optical substrate comprising at least one waveguide layer configured to propagate light in a first direction, wherein the at least one waveguide layer of the first optical substrate comprises at least one grating lamina configured to extract the light from the first substrate along the first direction; and a second optical substrate comprising at least one waveguide layer configured to propagate the light in a second direction, wherein the at least one waveguide layer of the second optical substrate comprises at least one grating lamina configured to extract light from the second substrate along the second direction; wherein the at least one grating lamina of at least one of the first and second optical substrates comprises an SBG in a passive mode.Type: ApplicationFiled: October 6, 2023Publication date: April 25, 2024Inventors: Robert D. Brown, Alastair John Grant, Wyatt L. Hendrick, Milan Momcilo Popovich, James H. Stanley, Jonathan David Waldern
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Publication number: 20240103440Abstract: A method for producing holograms with a multiplicity of holographic prescriptions from a single master is provided. A multiplicity of holographic substrates each containing a first hologram is stacked on a second holographic recording medium substrate. The first hologram is designed to diffract light from a first direction into a second direction. When expose to illumination from the first direction zero order and diffracted light from each first hologram interfere in the second holographic recording medium substrate forming a second hologram. The second hologram is then copied into a third holographic recording medium substrate to provide the final copy hologram.Type: ApplicationFiled: September 15, 2023Publication date: March 28, 2024Applicant: DigiLens Inc.Inventors: Milan Momcilo Popovich, Jonathan David Waldern, Alastair John Grant
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Patent number: 9803847Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: GrantFiled: April 22, 2014Date of Patent: October 31, 2017Assignee: FPT Acquisition Corp.Inventors: John Popovich, Gregory W. Honegger
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Publication number: 20150082626Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: ApplicationFiled: April 22, 2014Publication date: March 26, 2015Applicant: Permlight Products, Inc.Inventors: John Popovich, Gregory W. Honegger
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Patent number: 8702273Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: GrantFiled: May 29, 2012Date of Patent: April 22, 2014Assignee: Permlight Products, Inc.Inventors: John Popovich, Gregory W. Honegger
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Publication number: 20120291259Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: ApplicationFiled: May 29, 2012Publication date: November 22, 2012Applicant: PERMLIGHT PRODUCTS, INC.Inventors: John Popovich, Gregory W. Honegger
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Patent number: 8186850Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: GrantFiled: September 29, 2009Date of Patent: May 29, 2012Assignee: Permlight Products, Inc.Inventors: John Popovich, Gregory W. Honegger
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Publication number: 20100087118Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: ApplicationFiled: September 29, 2009Publication date: April 8, 2010Applicant: PERMLIGHT PRODUCTS, INC.Inventors: John Popovich, Gregory W. Honegger
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Patent number: 7594740Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: GrantFiled: August 21, 2007Date of Patent: September 29, 2009Assignee: Pemlight Products, Inc.Inventors: John Popovich, Gregory W. Honegger
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Publication number: 20080062699Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: ApplicationFiled: August 21, 2007Publication date: March 13, 2008Inventors: John Popovich, Gregory Honegger
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Publication number: 20080032461Abstract: An LED display assembly, comprising a grid of electrical conductors; light emitting diodes in association with the grid and in electrical communication with the conductors that provide power for LED operation, the grid operable to receive heat from the diodes during diode operation, and the array configured for passing coolant fluid for transfer of heat to the fluid. LED packages adjustable relative to a mounting grid, are also provided.Type: ApplicationFiled: October 30, 2006Publication date: February 7, 2008Inventor: John Popovich
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Patent number: 7306353Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: GrantFiled: October 3, 2006Date of Patent: December 11, 2007Assignee: Permlight Products, Inc.Inventors: John Popovich, Gregory W. Honegger
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Publication number: 20070074853Abstract: Apparatus for cooling of an electrical element package, comprising in combination structure including a hollow body, defining a cavity containing cooling fluid, the structure defining an opening or passage whereby direct contact of the cooling fluid with the package is established for heat transfer from the package to the fluid contained in the cavity; a mesh located to enhance the heat transfer, and means for circulating the fluid to transfer heat to other heat transfer means acting to remove heat from the fluid.Type: ApplicationFiled: December 1, 2006Publication date: April 5, 2007Inventor: John Popovich
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Publication number: 20070030683Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: ApplicationFiled: October 3, 2006Publication date: February 8, 2007Inventors: John Popovich, Gregory Honegger
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Patent number: 7114831Abstract: A modular light emitting diode (LED) mounting configuration is provided including a light source module having a plurality of pre-packaged LEDs arranged in a serial array. The module includes a heat conductive body portion adapted to conduct heat generated by the LEDs to an adjacent heat sink. As a result, the LEDs are able to be operated with a higher current than normally allowed. Thus, brightness and performance of the LEDs is increased without decreasing the life expectancy of the LEDs. The LED modules can be used in a variety of illumination applications employing one or more modules.Type: GrantFiled: February 27, 2004Date of Patent: October 3, 2006Assignee: Permlight Products, Inc.Inventors: John Popovich, Gregory W. Honegger
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Publication number: 20060140630Abstract: The method of communicating with circuitry that includes providing a woven mesh having elongated conductive elements extending in array forming directions relative to the circuitry, establishing communication sites associated with the mesh elements, located in spaced apart relation, and operating the sites via the mesh to communicate optically with the circuitry, having detection capability.Type: ApplicationFiled: December 20, 2005Publication date: June 29, 2006Inventor: John Popovich