Patents by Inventor Padraig Hughes
Padraig Hughes 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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Patent number: 11468830Abstract: A method of fabricating an image generator for use in a display, the method comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED emitters configured to produce light having the same wavelength, and wherein each of the plurality of ILED array chips is configured to produce light having one of a plurality of wavelengths; positioning the plurality of discrete ILED array chips on a carrier substrate such that a plurality of ILED emitters from adjacent chips form a pixel of a display; and bonding a first surface of the plurality of ILED array chips to a driver backplane such that electrical contacts of the plurality of ILED array chips are in electrical communication with the driver backplane, wherein the driver backplane comprises electronics for driving the ILED array chips.Type: GrantFiled: December 29, 2021Date of Patent: October 11, 2022Assignee: Meta Platforms Technologies, LLCInventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Publication number: 20220319383Abstract: A display (100) comprising a plurality of LED chips (604), each LED chip (604) comprising a plurality of light emitting elements (606a-c). Each LED chip (604) is arranged such that a first light emitting element (606a) is configured to illuminate a sub-pixel, and a second light emitting element (606b) is configured to illuminate a sub-pixel using substantially the same wavelength of light as the first light emitting element. There is also described an LED chip, a display pixel, a controlling method, a computer device and a computer program for a display.Type: ApplicationFiled: June 8, 2022Publication date: October 6, 2022Inventors: Padraig Hughes, William Henry, Joseph O'Keeffe
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Patent number: 11386831Abstract: A display (100) comprising a plurality of LED chips (604), each LED chip (604) comprising a plurality of light emitting elements (606a-c). Each LED chip (604) is arranged such that a first light emitting element (606a) is configured to illuminate a sub-pixel, and a second light emitting element (606b) is configured to illuminate a sub-pixel using substantially the same wavelength of light as the first light emitting element. There is also described an LED chip, a display pixel, a controlling method, a computer device and a computer program for a display.Type: GrantFiled: February 12, 2021Date of Patent: July 12, 2022Assignee: Meta Platforms Technologies, LLCInventors: Padraig Hughes, William Henry, Joseph O'Keeffe
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Patent number: 11341903Abstract: A sub-pixel for an LED display, the sub-pixel comprising a first light emitting device having a first emission beam angle and a second light emitting device having a second beam angle, the second emission beam angle being different to the first emission beam angle. There is also described a display using a plurality of the sub-pixels.Type: GrantFiled: December 22, 2020Date of Patent: May 24, 2022Assignee: Facebook Technologies, LLCInventors: Padraig Hughes, Joseph O'Keeffe, William Henry
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Publication number: 20220148495Abstract: A method of fabricating an image generator for use in a display, the method comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED emitters configured to produce light having the same wavelength, and wherein each of the plurality of ILED array chips is configured to produce light having one of a plurality of wavelengths; positioning the plurality of discrete ILED array chips on a carrier substrate such that a plurality of ILED emitters from adjacent chips form a pixel of a display; and bonding a first surface of the plurality of ILED array chips to a driver backplane such that electrical contacts of the plurality of ILED array chips are in electrical communication with the driver backplane, wherein the driver backplane comprises electronics for driving the ILED array chips.Type: ApplicationFiled: December 29, 2021Publication date: May 12, 2022Inventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Patent number: 11244605Abstract: A method of fabricating an image generator for use in a display, the method comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED emitters configured to produce light having the same wavelength, and wherein each of the plurality of ILED array chips is configured to produce light having one of a plurality of wavelengths; positioning the plurality of discrete ILED array chips on a carrier substrate such that a plurality of ILED emitters from adjacent chips form a pixel of a display; and bonding a first surface of the plurality of ILED array chips to a driver backplane such that electrical contacts of the plurality of ILED array chips are in electrical communication with the driver backplane, wherein the driver backplane comprises electronics for driving the ILED array chips.Type: GrantFiled: March 15, 2021Date of Patent: February 8, 2022Assignee: Facebook Technologies, LLCInventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Publication number: 20220037293Abstract: An image generator for use in a display device, the image generator comprising a plurality of ILED array chips each comprising a plurality of ILED emitters and arranged in an array such that each of a plurality of pixels of the image generator comprises an ILED emitter from each of a plurality of adjacent ILED array chips. The total area of ILED emitter material be less than 50% of the area of each pixel. The image generator may comprise secondary optics in optical communication with an output of the plurality of ILED emitters of an ILED array chip and configured to direct light from the ILED emitters towards an emission region of the associated pixel.Type: ApplicationFiled: September 24, 2021Publication date: February 3, 2022Inventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Patent number: 11158613Abstract: An image generator for use in a display device, the image generator comprising a plurality of ILED array chips each comprising a plurality of ILED emitters and arranged in an array such that each of a plurality of pixels of the image generator comprises an ILED emitter from each of a plurality of adjacent ILED array chips. The total area of ILED emitter material be less than 50% of the area of each pixel. The image generator may comprise secondary optics in optical communication with an output of the plurality of ILED emitters of an ILED array chip and configured to direct light from the ILED emitters towards an emission region of the associated pixel.Type: GrantFiled: May 22, 2020Date of Patent: October 26, 2021Assignee: Facebook Technologies, LLCInventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Publication number: 20210217356Abstract: A method of fabricating an image generator for use in a display, the method comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED emitters configured to produce light having the same wavelength, and wherein each of the plurality of ILED array chips is configured to produce light having one of a plurality of wavelengths; positioning the plurality of discrete ILED array chips on a carrier substrate such that a plurality of ILED emitters from adjacent chips form a pixel of a display; and bonding a first surface of the plurality of ILED array chips to a driver backplane such that electrical contacts of the plurality of ILED array chips are in electrical communication with the driver backplane, wherein the driver backplane comprises electronics for driving the ILED array chips.Type: ApplicationFiled: March 15, 2021Publication date: July 15, 2021Inventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Publication number: 20210174730Abstract: A display (100) comprising a plurality of LED chips (604), each LED chip (604) comprising a plurality of light emitting elements (606a-c). Each LED chip (604) is arranged such that a first light emitting element (606a) is configured to illuminate a sub-pixel, and a second light emitting element (606b) is configured to illuminate a sub-pixel using substantially the same wavelength of light as the first light emitting element. There is also described an LED chip, a display pixel, a controlling method, a computer device and a computer program for a display.Type: ApplicationFiled: February 12, 2021Publication date: June 10, 2021Inventors: Padraig Hughes, William Henry, Joseph O'Keeffe
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Patent number: 10984705Abstract: A method of fabricating an image generator for use in a display, the method comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED emitters configured to produce light having the same wavelength, and wherein each of the plurality of ILED array chips is configured to produce light having one of a plurality of wavelengths; positioning the plurality of discrete ILED array chips on a carrier substrate such that a plurality of ILED emitters from adjacent chips form a pixel of a display; and bonding a first surface of the plurality of ILED array chips to a driver backplane such that electrical contacts of the plurality of ILED array chips are in electrical communication with the driver backplane, wherein the driver backplane comprises electronics for driving the ILED array chips.Type: GrantFiled: November 5, 2019Date of Patent: April 20, 2021Assignee: Facebook Technologies, LLCInventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Publication number: 20210110764Abstract: A sub-pixel for an LED display, the sub-pixel comprising a first light emitting device having a first emission beam angle and a second light emitting device having a second beam angle, the second emission beam angle being different to the first emission beam angle. There is also described a display using a plurality of the sub-pixels.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: Padraig Hughes, Joseph O'Keeffe, William Henry
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Patent number: 10957241Abstract: A display (100) comprising a plurality of LED chips (604), each LED chip (604) comprising a plurality of light emitting elements (606a-c). Each LED chip (604) is arranged such that a first light emitting element (606a) is configured to illuminate a sub-pixel, and a second light emitting element (606b) is configured to illuminate a sub-pixel using substantially the same wavelength of light as the first light emitting element. There is also described an LED chip, a display pixel, a controlling method, a computer device and a computer program for a display.Type: GrantFiled: December 9, 2019Date of Patent: March 23, 2021Assignee: Facebook Technologies, LLCInventors: Padraig Hughes, William Henry, Joseph O'Keeffe
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Patent number: 10937361Abstract: A sub-pixel for an LED display, the sub-pixel comprising a first light emitting device having a first emission beam angle and a second light emitting device having a second beam angle, the second emission beam angle being different to the first emission beam angle. There is also described a display using a plurality of the sub-pixels.Type: GrantFiled: October 22, 2015Date of Patent: March 2, 2021Assignee: Facebook Technologies, LLCInventors: Padraig Hughes, Joseph O'Keeffe, William Henry
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Patent number: 10878733Abstract: A method for manufacturing a display element comprising a plurality of pixels, each comprising a plurality of sub-pixels. The method comprises undertaking, using a pick up tool, a first placement cycle (1908) comprising picking up a plurality of first, untested LED dies and placing them on a display substrate at locations corresponding to the plurality of pixels, testing (1912) the first LED emitters on the display substrate to determine one or more locations of non-functional first LED emitters, selecting one or more second tested LED dies based on a result of the test, configuring the selected one or more second LED dies to enable their pick up and placement on the display substrate and undertaking, using the PUT, a second placement cycle (2008) comprising picking up the selected one or more second LED dies and placing them on the display substrate at the determined locations of the non-functional first LED emitters.Type: GrantFiled: September 2, 2016Date of Patent: December 29, 2020Assignee: Facebook Technologies, LLCInventors: Padraig Hughes, Joseph O'Keeffe, Celine Oyer, William Henry, David Massoubre, Pooya Saketi
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Patent number: 10854782Abstract: A Light emitting diode (LED) includes a mesa structure, a light emitting source within the mesa structure, and a primary emission surface on a side of the LED opposed to a top of the mesa structure. The light emitting source is configured to emit light anisotropically in a first direction perpendicular to a second direction of emission of the light from the LED at the primary emission surface.Type: GrantFiled: September 30, 2019Date of Patent: December 1, 2020Assignee: Facebook Technologies, LLCInventors: Vincent Brennan, Christopher Percival, Padraig Hughes, Allan Pourchet, Celine Claire Oyer
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Publication number: 20200343228Abstract: An image generator for use in a display device, the image generator comprising a plurality of ILED array chips each comprising a plurality of ILED emitters and arranged in an array such that each of a plurality of pixels of the image generator comprises an ILED emitter from each of a plurality of adjacent ILED array chips. The total area of ILED emitter material be less than 50% of the area of each pixel. The image generator may comprise secondary optics in optical communication with an output of the plurality of ILED emitters of an ILED array chip and configured to direct light from the ILED emitters towards an emission region of the associated pixel.Type: ApplicationFiled: May 22, 2020Publication date: October 29, 2020Inventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Patent number: 10707191Abstract: An image generator for use in a display device, the image generator comprising a plurality of ILED array chips each comprising a plurality of ILED emitters and arranged in an array such that each of a plurality of pixels of the image generator comprises an ILED emitter from each of a plurality of adjacent ILED array chips. The total area of ILED emitter material be less than 50% of the area of each pixel. The image generator may comprise secondary optics in optical communication with an output of the plurality of ILED emitters of an ILED array chip and configured to direct light from the ILED emitters towards an emission region of the associated pixel.Type: GrantFiled: February 6, 2019Date of Patent: July 7, 2020Assignee: Facebook Technologies, LLCInventors: William Henry, Padraig Hughes, Joseph O'Keeffe
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Publication number: 20200168146Abstract: A display (100) comprising a plurality of LED chips (604), each LED chip (604) comprising a plurality of light emitting elements (606a-c). Each LED chip (604) is arranged such that a first light emitting element (606a) is configured to illuminate a sub-pixel, and a second light emitting element (606b) is configured to illuminate a sub-pixel using substantially the same wavelength of light as the first light emitting element. There is also described an LED chip, a display pixel, a controlling method, a computer device and a computer program for a display.Type: ApplicationFiled: December 9, 2019Publication date: May 28, 2020Inventors: Padraig Hughes, William Henry, Joseph O'Keeffe
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Publication number: 20200126477Abstract: A method of fabricating an image generator for use in a display, the method comprising: fabricating a plurality of discrete ILED array chips comprising a plurality of ILED emitters configured to produce light having the same wavelength, and wherein each of the plurality of ILED array chips is configured to produce light having one of a plurality of wavelengths; positioning the plurality of discrete ILED array chips on a carrier substrate such that a plurality of ILED emitters from adjacent chips form a pixel of a display; and bonding a first surface of the plurality of ILED array chips to a driver backplane such that electrical contacts of the plurality of ILED array chips are in electrical communication with the driver backplane, wherein the driver backplane comprises electronics for driving the ILED array chips.Type: ApplicationFiled: November 5, 2019Publication date: April 23, 2020Inventors: William Henry, Padraig Hughes, Joseph O'Keeffe