Patents by Inventor Dong Wook Nam

Dong Wook Nam 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).

  • Patent number: 11580773
    Abstract: Semiconductor package having self-aligned structure disclosed. Semiconductor package includes a semiconductor chip having an active area and at least one marginal area that is located around the active area, wherein at least one alignment bar is arranged on the marginal area and a top structure being arranged on the semiconductor chip and having a groove being formed on a bottom surface, wherein the groove is configured for accommodating the alignment bar.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 14, 2023
    Assignee: ARCSOFT CORPORATION LIMITED
    Inventors: Kwang Sue Park, Dong Wook Nam, Byung Il Min, Bong Seok Kim
  • Patent number: 11442254
    Abstract: An augmented reality projection device is provided. The augmented reality projection device includes an excitation light source that generates excitation light and a fluorescent light detector that detects fluorescent light generated in the fluorescent light generation area and generates a fluorescent image. The device also includes a projector that converts an image signal for displaying a visual indicator in the fluorescent light generation area into visual indicator light. The device further includes a processor that controls operations of the excitation light source, the fluorescent light detector, and the projection. The device further includes a coaxial optics that delivers the excitation light and the visual indicator light to the fluorescent light generation area and delivers the fluorescent light to the fluorescent light detector.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: September 13, 2022
    Assignee: Inner Ray, Inc.
    Inventors: Dong Wook Nam, Joo Hyung Hong
  • Patent number: 11378253
    Abstract: A fingerprint sensor is disclosed. An embodiment according to an aspect of the present invention provides a display having a fingerprint recognition function. The display having a fingerprint recognition function may comprise: a display panel, which is disposed under a cover glass and allows rays to pass therethrough, the rays having various incident angles indicating ridges and troughs of a fingerprint that is in contact with the cover glass; and an image sensor layer, which is disposed under the display panel and detects a ray to be detected in the rays having the various incident angles to generate a fingerprint image.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: July 5, 2022
    Assignee: ARCSOFT CORPORATION LIMITED
    Inventors: Kwang Sue Park, Dong Wook Nam, Byung Il Min
  • Publication number: 20210326568
    Abstract: Semiconductor package having self-aligned structure disclosed. Semiconductor package includes a semiconductor chip having an active area and at least one marginal area that is located around the active area, wherein at least one alignment bar is arranged on the marginal area and a top structure being arranged on the semiconductor chip and having a groove being formed on a bottom surface, wherein the groove is configured for accommodating the alignment bar.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: Kwang Sue PARK, Dong Wook NAM, Byung Il MIN, Bong Seok KIM
  • Patent number: 11080508
    Abstract: A semiconductor package including a prism sheet having dam structure disclosed. The semiconductor package includes a case having a wall configured for surrounding a space in which a semiconductor chip is installed, and a prism sheet having a prism surface consisting of a plurality of prism peaks and a plurality of prism valleys and a flat surface facing the prism surface, wherein the prism surface faces the semiconductor chip and the flat surface is coupled to a cover, wherein a dam extending in a direction different from an extending direction of the prism peak is formed on the prism surface.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 3, 2021
    Assignee: ARCSOFT CORPORATION LIMITED
    Inventors: Dong Wook Nam, Byung Il Min, Kwang Sue Park, Bong Seok Kim
  • Publication number: 20210174053
    Abstract: A semiconductor package including a prism sheet having dam structure disclosed. The semiconductor package includes a case having a wall configured for surrounding a space in which a semiconductor chip is installed, and a prism sheet having a prism surface consisting of a plurality of prism peaks and a plurality of prism valleys and a flat surface facing the prism surface, wherein the prism surface faces the semiconductor chip and the flat surface is coupled to a cover, wherein a dam extending in a direction different from an extending direction of the prism peak is formed on the prism surface.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 10, 2021
    Inventors: Dong Wook NAM, Byung Il MIN, Kwang Sue PARK, Bong Seok KIM
  • Publication number: 20200319431
    Abstract: An augmented reality projection device is provided. The augmented reality projection device includes an excitation light source that generates excitation light and a fluorescent light detector that detects fluorescent light generated in the fluorescent light generation area and generates a fluorescent image. The device also includes a projector that converts an image signal for displaying a visual indicator in the fluorescent light generation area into visual indicator light. The device further includes a processor that controls operations of the excitation light source, the fluorescent light detector, and the projection. The device further includes a coaxial optics that delivers the excitation light and the visual indicator light to the fluorescent light generation area and delivers the fluorescent light to the fluorescent light detector.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 8, 2020
    Inventors: Dong Wook Nam, Joo Hyung Hong
  • Patent number: 10524666
    Abstract: In general aspect, a white excitation light generating device can include a fluorescent excitation light source that generates fluorescent excitation light, a first light source that generates first monochromatic light of a first wavelength different from a wavelength of the fluorescent excitation light, a second light source that generates second monochromatic light of a second wavelength different from the wavelength of the fluorescent excitation light and the first wavelength, a spectrophoto sensor that measures tristimulus values of at least one of the fluorescent excitation light, the first monochromatic light, and the second monochromatic light, and a controller that adjusts an output of at least one of the fluorescent excitation light source, the first light source, and the second light source on the basis of the measured tristimulus values.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: January 7, 2020
    Assignee: Inner Ray, Inc.
    Inventors: Dong Wook Nam, Joo Hyung Hong
  • Publication number: 20190343391
    Abstract: In general aspect, a white excitation light generating device can include a fluorescent excitation light source that generates fluorescent excitation light, a first light source that generates first monochromatic light of a first wavelength different from a wavelength of the fluorescent excitation light, a second light source that generates second monochromatic light of a second wavelength different from the wavelength of the fluorescent excitation light and the first wavelength, a spectrophoto sensor that measures tristimulus values of at least one of the fluorescent excitation light, the first monochromatic light, and the second monochromatic light, and a controller that adjusts an output of at least one of the fluorescent excitation light source, the first light source, and the second light source on the basis of the measured tristimulus values.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 14, 2019
    Inventors: Dong Wook Nam, Joo Hyung Hong
  • Publication number: 20190228204
    Abstract: A fingerprint sensor is disclosed. An embodiment according to an aspect of the present invention provides a display having a fingerprint recognition function. The display having a fingerprint recognition function may comprise: a display panel, which is disposed under a cover glass and allows rays to pass therethrough, the rays having various incident angles indicating ridges and troughs of a fingerprint that is in contact with the cover glass; and an image sensor layer, which is disposed under the display panel and detects a ray to be detected in the rays having the various incident angles to generate a fingerprint image.
    Type: Application
    Filed: June 28, 2017
    Publication date: July 25, 2019
    Inventors: Kwang Sue PARK, Dong Wook NAM, Byung II MIN
  • Patent number: 10235553
    Abstract: A display device for fingerprint detection is disclosed. The display device includes a plurality of gate lines and a plurality of data lines, a first switching transistor, a storage capacitor, a light-receiving element, and a second switching transistor. The plurality of data lines are used for reading a charged voltage across the storage capacitor.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: March 19, 2019
    Assignee: BEYONDEYES
    Inventors: Kwangsue Park, Dong Wook Nam, Byung II Min
  • Patent number: 9640572
    Abstract: A unit pixel formed on a substrate and configured to convert incident light to an electrical signal is provided. The unit pixel includes: a source having a source voltage supplied thereto and having a silicide layer for metal contact formed thereabove; a drain spaced apart from the source and having a silicide layer for metal contact formed thereabove; a channel formed between the source and the drain and having a current flowed therethrough; an insulating layer formed above the channel; and a floating gate having a nonsal structure in which no silicide layer is formed thereabove in order to facilitate an absorption of light, formed above the insulating layer so as to be placed between the source and the drain, and configured to control an amount of current flowing through the channel by an electric field generated by electron-hole pairs generated by the incident light.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: May 2, 2017
    Assignee: BEYONDEYES
    Inventors: Kwangsue Park, Byung Il Min, Dong Wook Nam
  • Publication number: 20170083738
    Abstract: A display device for fingerprint detection is disclosed. The display device includes a plurality of gate lines and a plurality of data lines, a first switching transistor, a storage capacitor, a light-receiving element, and a second switching transistor. The plurality of data lines are used for reading a charged voltage across the storage capacitor.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 23, 2017
    Inventors: Kwangsue Park, Dong Wook Nam, Byung II Min
  • Publication number: 20160315111
    Abstract: A unit pixel formed on a substrate and configured to convert incident light to an electrical signal is provided. The unit pixel includes: a source having a source voltage supplied thereto and having a silicide layer for metal contact formed thereabove; a drain spaced apart from the source and having a silicide layer for metal contact formed thereabove; a channel formed between the source and the drain and having a current flowed therethrough; an insulating layer formed above the channel; and a floating gate having a nonsal structure in which no silicide layer is formed thereabove in order to facilitate an absorption of light, formed above the insulating layer so as to be placed between the source and the drain, and configured to control an amount of current flowing through the channel by an electric field generated by electron-hole pairs generated by the incident light.
    Type: Application
    Filed: December 12, 2014
    Publication date: October 27, 2016
    Inventors: Kwangsue Park, Byung II Min, Dong Wook Nam