Patents Assigned to VueReal Inc.
  • Publication number: 20240138249
    Abstract: This invention discloses methods to form a micro thin film device. The methods use release layer on a substrate, encapsulation layers, electrode formation, and forming a bank layer. The methods further use VIA's to provide access to pads. The methods also entail transfer of multiple micro thin film devices by forming micro thin film devices on a cartridge, forming a housing, using anchors, and covering a side wall of the housing with a release layer.
    Type: Application
    Filed: December 19, 2023
    Publication date: April 25, 2024
    Applicant: VueReal Inc.
    Inventor: Gholamreza CHAJI
  • Publication number: 20240133940
    Abstract: This disclosure is related to arranging micro devices in the donor substrate by either patterning or population so that there is no interfering with non-receiving pads and the non-interfering area in the donor substrate is maximized. This enables the transfer of micro devices to a receiver substrate with fewer steps.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 25, 2024
    Applicant: VueReal Inc.
    Inventors: Gholamreza Chaji, Ehsanollah Fathi
  • Publication number: 20240136215
    Abstract: The present disclosure relates to transfer of a selected set of microdevices from a donor substrate to a receiver/system substrate while there can be already microdevices transferred in the system substrate. In particular the invention deals with pads with a hard base and soft shell. In addition, use of a stage to facilitate the microdevice transfer is detailed.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 25, 2024
    Applicant: VueReal Inc.
    Inventors: Gholamreza CHAJI, Ehsanollah FATHI, Hossein Zamani SIBONI, Dana Saud Yousef AYYASH
  • Publication number: 20240128115
    Abstract: Method and system that operates on a server include a time and expense management interface for capturing time and expense reporting. The time and expense reporting is for utility distribution systems, such as electrical power distribution and/or transmission systems, cellular, telecommunications, cable TV, water and sewer, natural gas, and others. These utility distribution systems include a large number of devices or objects that are distributed across a big geographic area. In one example, the authorization to submit the invoice for portions of the mobilization work order that have completed the approval process includes only authorization to submit the invoice for those portions of the mobilization work order i) not already paid or ii) that have been previously submitted and completed the approval process. The invention helps to document time and expense for government agencies, such as public utility commissions. This documentation maybe used with setting special charges on customer invoices.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Applicant: VueReal Inc.
    Inventor: Heidi Elizabeth Bailey
  • Publication number: 20240124297
    Abstract: The present disclosure relates to transfer of a selected set of microdevices from a donor substrate to a receiver/system substrate while there can be already microdevices transferred in the system substrate. In particular the invention deals with methods to transfer microdevices to a system substrate that do not damage already transferred microdevices, by using donor substrate heights, cavities and use of sacrificial layers.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 18, 2024
    Applicant: VueReal Inc.
    Inventors: Gholamreza CHAJI, Ehsanollah FATHI, Hossein Zamani SIBONI, Dana Saud Yousef AYYASH
  • Publication number: 20240120173
    Abstract: The present disclosure relates to integrating microdevices into a system substrate. In particular it relates to measuring microdevices using an electron beam method using one or several tips as Ebeam sources. The disclosure further outlines methods to target Ebeams effectively to produce an optimum result with minimal damage to adjacent microdevices and components.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 11, 2024
    Applicant: VueReal Inc.
    Inventors: Gholamreza CHAJI, Ehsanollah FATHI, Chang Ho PARK
  • Publication number: 20240120231
    Abstract: This invention relates to the process of correcting misalignment and filling voids after a microdevice transfer process. The process involves transfer heads, measurement of offset and misalignment in horizontal, vertical, and rotational errors. An execution of the new offset vector for the next transfer corrects the alignment.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Applicant: VueReal Inc.
    Inventor: Gholamreza CHAJI
  • Patent number: 11948503
    Abstract: Systems and methods to achieve desired color accuracy, power consumption, and gamma correction in an array of pixels of a micro-LED display. The method and system provides an array of pixels, wherein each pixel comprising a plurality of sub-pixels arranged in a matrix and a driving circuitry configured to provide an individual emission control signal to each sub-pixel of each pixel in the array of pixels to independently control an emission time and a duty cycle of each sub-pixel.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: April 2, 2024
    Assignee: VueReal Inc.
    Inventor: Gholamreza Chaji
  • Publication number: 20240096684
    Abstract: This disclosure is related to arranging micro devices in the donor substrate by either patterning or population so that there is no interfering with unwanted pads and the non-interfering area in the donor substrate is maximized. This enables to transfer the devices to receiver substrate with fewer steps.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Applicant: VueReal Inc.
    Inventor: Gholamreza Chaji
  • Patent number: 11929010
    Abstract: This disclosure is related to compensation of micro devices based on cartridge information.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: March 12, 2024
    Assignee: VueReal Inc.
    Inventors: Gholamreza Chaji, Ehsanollah Fathi
  • Patent number: 11916096
    Abstract: An integrated optical display system includes a backplane with appropriate electronics, and an array of micro-devices. A touch sensing structure may be integrated into the system. In one embodiment, an integrated circuit and system is integrated on top of micro-devices transferred to a substrate. Openings in a planarization layer (or layers) may be provided to connect the micro-devices with electrodes and other circuitry. Light reflectors may be used to redirect the light, and color conversion layers or color filters may be integrated before the micro-devices or on the substrate surface opposite to the surface of micro-devices.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: February 27, 2024
    Assignee: VueReal Inc.
    Inventors: Gholamreza Chaji, Yaser Azizi, Ehsanollah Fathi
  • Publication number: 20240063209
    Abstract: Various embodiments include methods of fabricating an array of self-aligned vertical solid state devices and integrating the devices to a system substrate. The method of fabricating a self-aligned vertical solid state device comprising: providing a semiconductor substrate, depositing a plurality of device layers on the semiconductor substrate, depositing an ohmic contact layer on an upper surface of one of the plurality of device layers, wherein the device layers comprises an active layer and a doped conductive layer, forming a patterned thick conductive layer on the ohmic contact layer; and selectively etching down the doped conductive layer that does not substantially etch the active layer.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 22, 2024
    Applicant: VueReal Inc.
    Inventors: Gholamreza Chaji, Ehsanollah Fathi
  • Publication number: 20240047261
    Abstract: This disclosure is related to transfer of microdevices from a donor substrate to a system or temporary substrate where a pitch between microdevices is adjusted by stretching the substrate before or after the transfer. Further, methods are disclosed to protect the electronic components by use of stretchable pillars and grooves. In addition, a sandwich configuration with a sheeting process is also considered.
    Type: Application
    Filed: December 30, 2021
    Publication date: February 8, 2024
    Applicant: VueReal Inc.
    Inventor: Gholamreza CHAJI
  • Patent number: 11892497
    Abstract: This disclosure is related to arranging micro devices in the donor substrate by either patterning or population so that there is no interfering with non-receiving pads and the non-interfering area in the donor substrate is maximized. This enables the transfer of micro devices to a receiver substrate with fewer steps.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: February 6, 2024
    Assignee: VueReal Inc.
    Inventors: Gholamreza Chaji, Ehsanollah Fathi
  • Publication number: 20240030195
    Abstract: The present disclosure relates to development of microdevices on a substrate that can be released and transferred to a system substrate. The disclosure further relates to methods to integrate anchors to hold a microdevice to a substrate. The microdevices are in different configurations with respect to anchors, release layers, buffers layers and substrate.
    Type: Application
    Filed: November 12, 2021
    Publication date: January 25, 2024
    Applicant: VueReal Inc.
    Inventors: Gholamreza CHAJI, Hossein Zamani SIBONI, Ehsanollah FATHI
  • Patent number: 11870006
    Abstract: The present invention provides light-emitting devices with improved quantum efficiency. The light emitting diode structure comprising: a p-doped layer an n-doped layer; and a multiple quantum well structure sandwiched between the p-doped layer and n-doped layer, wherein the multiple quantum well structure comprising a quantum well disposed between n-doped barrier layers.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: January 9, 2024
    Assignee: VueReal Inc.
    Inventors: Jian Yin, Dayan Ban, Ehsanollah Fathi, Gholamreza Chaji
  • Publication number: 20230422370
    Abstract: The present invention relates to integration of multiple microdevices in pixels and in different combinations and their optimization for different functions. The microdevices may be connected in series and parallel as well have common and separate layers. An integrated combination may have a smoothing function to facilitate switching between different conditions and operations.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 28, 2023
    Applicant: VueReal Inc.
    Inventor: Gholamreza CHAJI
  • Patent number: 11854783
    Abstract: This disclosure is related to arranging micro devices in the donor substrate by either patterning or population so that there is no interfering with unwanted pads and the non-interfering area in the donor substrate is maximized. This enables to transfer the devices to receiver substrate with fewer steps.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 26, 2023
    Assignee: VueReal Inc.
    Inventor: Gholamreza Chaji
  • Publication number: 20230395579
    Abstract: What is disclosed is structures and methods of integrating microdevices into a system substrate. In particular the structure comprises various components of buffer layer, release layer, pads, electrodes, VIA openings and various planarization layers and passivation layers. These components are configured to form an optoelectronic device or a system. Also described are methods to form an optoelectronic device.
    Type: Application
    Filed: October 19, 2021
    Publication date: December 7, 2023
    Applicant: VueReal Inc.
    Inventor: Gholamreza CHAJI
  • Publication number: 20230395560
    Abstract: This disclosure is related to integrating microdevices into a system substrate. In particular the microdevices are transferred from a donor substrate into a system backplane where the microdevices connection pads are adhered to a pads on the system substrate at a temperature that is below the melting point of the materials on the pads of the system substrate and microdevice pads. The present disclosure also relates to integrating vertical microdevices into a system substrate. The system substrate can have a backplane circuit as well. The integration covers the microdevices with dielectrics and couples the backplane through a VIA. The disclosure further relates to a method and structure of microdevice or optoelectronic devices that allows for misalignment adjustment. The microdevices comprise a stack of semiconductor layers that in configuration with electrodes, substrate, VIA's and size factors minimize misalignment.
    Type: Application
    Filed: September 2, 2021
    Publication date: December 7, 2023
    Applicant: VueReal Inc.
    Inventors: Gholamreza CHAJI, Ehsanollah FATHI, Hossein Zamani SIBONI, Lauren LESERGENT, David HWANG, Pranav GAVIRNENI