Patents by Inventor Khaled Ahmed

Khaled Ahmed 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: 20190113952
    Abstract: Disclosed herein are flexible display panels and bend detection circuits for flexible display panels where the bend detection circuit can be formed on a flexible substrate of the flexible display panel stack. The bend detection circuit including a number of sensor elements arranged to change an electric response to an applied electric signal based on an applied physical force. The bend detection circuits also including a bend sensing circuit arranged to measure a time delay of the number of sensor elements to the applied electric signal.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 18, 2019
    Inventors: Khaled Ahmed, Michael Rosenzweig
  • Publication number: 20190107389
    Abstract: A laser source for use in a structured light projector includes a substrate, one or more first VCSELs on the substrate, and one or more second VCSELs on the substrate. The one or more first VCSELs each have a first aperture width and each separately extend above a surface of the substrate. The one or more second VCSELs each have a second aperture width different from the first aperture width, and each separately extend above a surface of the substrate. Using an array of VCSELs with different aperture widths provides emitted radiation having different wavelengths, thus providing different speckle patterns. When the different speckle patterns are averaged upon being received at the detector, speckle noise is reduced. The VCSEL can also include a plurality of subwavelength structures to steer the light output. Such subwavelength structures can also be used on the surface of other VCSELs, including standard VCSELs.
    Type: Application
    Filed: December 4, 2018
    Publication date: April 11, 2019
    Applicant: INTEL CORPORATION
    Inventor: KHALED AHMED
  • Patent number: 10217729
    Abstract: Embodiments of the invention include systems and methods for transferring micro LEDs. In an embodiment, the system for transferring micro LEDs, may include a donor substrate bank that is capable of supporting a plurality of donor substrates on which a plurality of micro LEDs are formed. In an embodiment, the donor substrate bank is moveable in the X, Y, and Z directions. In an embodiment, the system may also include a host substrate table that is capable of supporting a host substrate. The host substrate may include a plurality of segments. In an embodiment, the host substrate table is moveable in the X, Y, and Z directions. Embodiments of the invention may also include an array of macro transfer heads. In an embodiment, each macro transfer head may include a plurality of micro transfer heads.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: February 26, 2019
    Assignee: Intel Corporation
    Inventors: Khaled Ahmed, Kunjal ShyamKumar Parikh, Peter Chang
  • Publication number: 20190058080
    Abstract: Micro light-emitting diode (LED) displays and assembly apparatuses are described. In an example, method of manufacturing a micro-light emitting diode (LED) display panel includes positioning a display backplane substrate in a tank or container, the display backplane substrate having microgrooves therein. The method also includes adding a fluid to the tank or container, the fluid including a suspension of light-emitting diode (LED) pixel elements therein. The method also includes moving the fluid over the display backplane substrate. The method also includes assembling LED pixel elements from the fluid into corresponding ones of the microgrooves.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Inventors: Khaled Ahmed, Anup Pancholi, Ali Khakifirooz
  • Publication number: 20190058081
    Abstract: Micro light-emitting diode (LED) displays and assembly apparatuses are described. In an example, a method of manufacturing a micro-light emitting diode (LED) display panel includes positioning a carrier plate above a display backplane substrate, the carrier plate having a plurality of light-emitting diode (LED) pixel elements thereon, and the display backplane substrate having a plurality of metal bumps thereon. The method also includes moving the carrier plate toward the display backplane substrate to couple at least a portion of the plurality of LED pixel elements to corresponding ones of the plurality of metal bumps, applying pressure to the carrier plate to transfer and bond the portion of the plurality of LED pixel elements to the corresponding ones of the plurality of metal bumps, and, subsequently, separating the carrier plate from the display backplane substrate.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Inventors: Khaled Ahmed, Anup Pancholi, Ali Khakifirooz
  • Publication number: 20190058085
    Abstract: Micro light-emitting diode (LED) displays and assembly apparatuses are described. In an example, a pixel element for a micro-light emitting diode (LED) display panel includes a first color nanowire LED, a second color nanowire LED, the second color different than the first color, and a pair of third color nanowire LEDs, the third color different than the first and second colors. A continuous insulating material layer ius laterally surrounding the first color nanowire LED, the second color nanowire LED, and the pair of third color nanowire LEDs.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Inventors: Khaled Ahmed, Anup Pancholi, Ali Khakifirooz
  • Publication number: 20190049781
    Abstract: The present disclosure is directed to quantum dot LCD display systems and methods that use a digital optics polarizer to beneficially and advantageously provide enhanced performance and substantially lower power draw. The digital optics polarizer is disposed as a metasurface between the LCD layer and the quantum dot layer within the LCD display device. The digital optics polarizer is formed using a dielectric material, such as TiO2, that does not cause reflectivity and ohmic loss issues typically encountered with wire grid polarizers. The digital optics polarizer may be patterned, deposited, or otherwise disposed across all or a portion of the LCD layer, the quantum dot layer, or may be “sandwiched” between and proximate the LCD layer and the quantum dot layer. The elimination of ohmic losses in the digital optics polarizer significantly improves the energy efficiency of the LCD display.
    Type: Application
    Filed: October 5, 2018
    Publication date: February 14, 2019
    Applicant: INTEL CORPORATION
    Inventors: JUN JIANG, ZHIMING ZHUANG, KHALED AHMED
  • Publication number: 20190041562
    Abstract: Disclosed herein are display panels, display panel stacks, and techniques to manufacture such display panel stacks where a polarizer is provided for each illumination element of the display panel stack. A polarizer can be formed onto each individual illumination element once the illumination element is transferred to the backplane. The polarizer can be arranged to polarize light emitted from the illumination element and light incident on the display from ambient.
    Type: Application
    Filed: June 29, 2018
    Publication date: February 7, 2019
    Applicant: INTEL CORPORATION
    Inventors: Khaled Ahmed, Kunjal Parikh, Zhiming Zhuang, Jun Jiang
  • Publication number: 20190041983
    Abstract: In some examples, a display includes a plurality of display pixels. Each display pixel includes one or more light emitters. At least some of the plurality of display pixels also includes a light detector.
    Type: Application
    Filed: January 12, 2018
    Publication date: February 7, 2019
    Inventors: Richmond F. Hicks, Khaled Ahmed, Divya Pratap
  • Publication number: 20190041660
    Abstract: A vertical cavity surface emitting laser (VCSEL) illuminator for reduced speckle has VCSELs with metalayer polarizers, VCSEL arrays with varying aperture sizes, or both.
    Type: Application
    Filed: September 12, 2018
    Publication date: February 7, 2019
    Applicant: Intel Corporation
    Inventor: Khaled Ahmed
  • Publication number: 20190041656
    Abstract: Diffractive optical elements for wide field-of-view virtual reality devices and methods of manufacturing the same are disclosed. An example apparatus includes a substrate and a thin film stack including alternating layers of a first material and a second material. The thin film stack defines an annular protrusion. The annular protrusion has a stair-like profile. Top surfaces of separate ones of steps in the stair-like profile correspond to top surfaces of separate ones of the layers of the second material.
    Type: Application
    Filed: June 28, 2018
    Publication date: February 7, 2019
    Inventors: Khaled Ahmed, Ali Khakifirooz, Prashant Majhi, Kunjal Parikh
  • Publication number: 20190033683
    Abstract: Flat optical elements including a multi-level metasurface stack having two or more metasurface levels. Each metasurface level includes an arrangement of nanostructures, or protrusions, of one or more optically transmissive materials. A metasurface level may further include another optically transmissive material between the nanostructures, achieving a desired index contrast. Another metasurface level including additional nanostructures may be over a planar surface of this additional transmissive material. Another optically transmissive material may be between the additional nanostructures. This architecture may be followed for any number of levels, (e.g., a bi-layer, tri-layer, etc.). Each metasurface within the multi-level metasurface structure may be tuned to a particular optical wavelength. Such a multi-level metasurface may have greater bandwidth and/or achieve higher optical efficiency for a given band than a single metasurface.
    Type: Application
    Filed: December 18, 2017
    Publication date: January 31, 2019
    Applicant: Intel Corporation
    Inventors: Khaled Ahmed, Richmond Hicks
  • Patent number: 10193018
    Abstract: A display panel is described which includes Light Emitting Diodes (LEDs) that exhibit a specified beam angle. The display panel can be used for a head-mounted display. An example of a head-mounted display includes a display panel with an array of LEDs that are controllable to form an image. The head-mounted display also includes circuitry to receive image data and render an image on the display panel. The head-mounted display also includes circuitry to detect motion of the head-mounted display. The image data is generated based in part on the motion of the head-mounted display. Each LED in the array of LEDs is configured to emit light at a specified beam angle that directs the light toward a pupil of a wearer of the head-mounted display.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: January 29, 2019
    Assignee: Intel Corporation
    Inventors: Khaled Ahmed, Kunjal Parikh
  • Patent number: 10186676
    Abstract: Embodiments related to emissive devices for displays are discussed. Some embodiments include light emitting diodes including an electron transport layer core having a tube shape with an inner and an outer sidewall, an emission layer on the inner and outer sidewalls, and a hole transport layer on the emission layer, displays and systems including such light emitting diodes, and methods for fabricating them. Other embodiments include emissive laser devices having an emission layer between a hole transport layer and an electron transport layer and first and second metasurface mirrors adjacent to the hole transport layer and the electron transport layer, respectively, displays and systems including such emissive laser devices, and methods for fabricating them.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: January 22, 2019
    Assignee: Intel Corporation
    Inventors: Khaled Ahmed, Ali Khakifirooz, Richmond Hicks
  • Patent number: 10177195
    Abstract: A micro-light emitting diode (LED) display panel and a method of forming the display panel, the micro-LED display panel having a monolithically grown micro-structure including a first color micro-LED that is a first color nanowire LED, and a second color micro-LED that is a second color nanowire LED.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: January 8, 2019
    Assignee: Intel Corporation
    Inventors: Khaled Ahmed, Kunjal Parikh, Peter L. Chang
  • Patent number: 10165203
    Abstract: A per-pixel performance improvement is described for combined image sensor arrays that measure infrared and visible light. One embodiment is a method that includes forming an array of photodetectors on a silicon substrate, treating a subset of the photodetectors to improve sensitivity to infrared light, and finishing the photodetector array to form an image sensor.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: December 25, 2018
    Assignee: INTEL CORPORATION
    Inventors: Richmond Hicks, Khaled Ahmed
  • Patent number: 10157897
    Abstract: A display component can include an array of pixels and a color conversion film. Each pixel in the array can include one or more green sub-pixel emitters and a plurality of blue sub-pixel emitters. The color conversion film can be disposed on a subset of the plurality of blue sub-pixel emitters. The color conversion film can be configured to convert blue light from the subset of the plurality of blue sub-pixel emitters to red light to realize a pixel including red, green and blue emitters.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: December 18, 2018
    Assignee: Intel Corporation
    Inventors: Marshall Smith, Khaled Ahmed
  • Patent number: 10158833
    Abstract: Imaging systems providing high resolution, low light images with significant dynamic range are disclosed. The improvements to photo imaging sensors providing low costs and yet higher performance sensors may be obtained an enhanced photosensor generating a single color channel image per photosensor. The single color channel image contains luminence values corresponding to light focused onto the photosensor. The plurality of photosensors are constructed using Indium gallium nitride (InGaN) nanowire structures and nanopyramid structures used in cells within an array of cells. Photosensors may be constructed as single color imaging devices as well as multi-color devices. The generation of various color channel images are controlled using metasurface filter structures as well as color filter layers setting a wavelength for absorbed light by controlling a concentration of indium gallium nitride (InGaN) within the color filter layers.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: December 18, 2018
    Assignee: Intel Corporation
    Inventors: Khaled Ahmed, Richmond Hicks, Nilesh V. Shah
  • Patent number: 10153401
    Abstract: LED structures passivated with a III-N passivation material including Al. The III-N passivation material may reduce nonradiative recombination, reducing leakage current of an LED structure, and/or improve luminous efficacy. An LED structure may include III-N materials in a multiple quantum well (MQW) structure, and the III-N passivation material including Al may have a wider bandgap than any of the materials in the MQW structure. The III-N passivation material may be AlN, which can be deposited as a binary compound at low temperatures to maintain quality of the MQW structure. The III-N passivation material can be selectively deposited on a sidewall of at least the MQW structure. The III-N passivation material can be unselectively deposited over an LED structure and then etched to form a III-N spacer along a sidewall of at least the MQW structure. Energy efficient RGB micro(?) LED emissive displays may include passivated LED structures.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: December 11, 2018
    Assignee: Intel Corporation
    Inventor: Khaled Ahmed
  • Publication number: 20180331227
    Abstract: Substrates, assemblies, and techniques for enabling a p-channel oxide semiconductor. For example, some embodiments can include an oxide semiconductor, where the oxide semiconductor includes an indium gallium zinc oxide (IGZO) sulfur alloy as a semiconducting material. The semiconducting material can be included in a thin-film-transistor that includes one or more p-channels.
    Type: Application
    Filed: December 22, 2015
    Publication date: November 15, 2018
    Applicant: Intel Corporation
    Inventors: Khaled Ahmed, Prashant Majhi