Patents by Inventor Seunggeun Lee

Seunggeun Lee 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: 20210404726
    Abstract: A refrigerator of the present invention comprises: a cabinet provided with a freezer, an ice maker installed in the freezer; and an ice bin located at the bottom of the ice maker and storing ice ejected from the ice maker, wherein a rear incision portion may be may be formed in a rear portion of the ice bin such that no interference between the operation of the ice maker and the withdrawal of the ice bin occurs.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 30, 2021
    Inventors: Yonghyun KIM, Hyunji PARK, Seunggeun LEE, Jinil HONG
  • Publication number: 20210104504
    Abstract: A flip chip III-Nitride LED which utilizes a dielectric coating backed by a metallic reflector (e.g., aluminum or silver). High reflectivity and low resistance contacts for optoelectronic devices. Low ESD rating optoelectronic devices. A VCSEL comprising a tunnel junction for current and optical confinement.
    Type: Application
    Filed: August 17, 2017
    Publication date: April 8, 2021
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Benjamin P. Yonkee, Erin C. Young, Charles Forman, John T. Leonard, SeungGeun Lee, Dan Cohen, Robert M. Farrell, Michael Iza, Burhan Saifaddin, Abdullah Almogbel, Humberto Foronda, James S. Speck, Steven P. DenBaars, Shuji Nakamura
  • Publication number: 20200300527
    Abstract: An ice maker includes first and second trays configured to form a plurality of ice chambers configured to make ice, an upper case including a cool air hole through which cool air passes, and a tray opening configured to allow the first tray to contact the cool air passing through the cool air hole, a driver configured to move the second tray, and a connector configured to transfer power of the driver to the second tray, wherein the upper case further includes the cool air guide configured to guide the cool air passing through the cool air hole toward the tray opening.
    Type: Application
    Filed: February 18, 2020
    Publication date: September 24, 2020
    Inventors: Yonghyun KIM, Hyunji PARK, Jinil HONG, Seunggeun LEE
  • Publication number: 20200244036
    Abstract: A Vertical Cavity Surface Emitting Laser (VCSEL) including a light emitting III-nitride active region including quantum wells (QWs), wherein each of the quantum wells have a thickness of more than 8 nm, a cavity length of at least 7 ?, or at least 20 ?, where lambda is a peak wavelength of the light emitted from the active region, layers with reduced surface roughness, a tunnel junction intracavity contact. The VCSEL is flip chip bonded using In-Au bonding. This is the first report of a VCSEL capable of continuous wave operation.
    Type: Application
    Filed: October 2, 2018
    Publication date: July 30, 2020
    Applicant: The Regents of the University of California
    Inventors: Charles Forman, SeungGeun Lee, Erin C. Young, Jared Kearns, Steven P. DenBaars, James S. Speck, Shuji Nakamura
  • Publication number: 20200158402
    Abstract: The present disclosure relates to an ice maker and a refrigerator having the ice maker. An ice maker according to the present disclosure includes: an upper assembly including an upper tray forming an upper chamber, which is a portion an ice chamber, and having an upper opening, and a temperature sensor configured to sense temperature of the ice chamber in contact with the upper tray; and a lower assembly being rotatable with respect to the upper assembly and having a lower tray forming a lower chamber that is another portion of the ice chamber, in which a contact portion between the temperature sensor and the upper tray is positioned closer to a contact surface of the upper tray and the lower tray than the upper opening.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Yonghyun KIM, Jinil HONG, Seungjin CHOI, Seunggeun LEE
  • Publication number: 20200158406
    Abstract: An ice maker includes: an upper assembly comprising a plurality of upper chambers recessed upward to define an upper portion of an ice chamber in which water is filled and ice is made, and having an intake opening by being open on a top, and a vertical extension part formed to protrude upward around the intake opening; a lower assembly comprising a plurality of lower chambers recessed downward to define a lower portion of the ice chamber, and rotatably connected to the upper assembly; and a water supply part that is recessed downward from an upper side of the water supply part and configured to receive therein water for making ice, the water supply part being removably coupled to the vertical extension part and configured to guide the received water into the intake opening.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Yonghyun KIM, Jinil HONG, Seunggeun LEE, Seungjin CHOI
  • Publication number: 20200158404
    Abstract: Provided is a refrigerator including a cabinet having a refrigerating compartment and a freezing compartment defined therein, and an ice-maker disposed in the freezing compartment, wherein the ice-maker includes a cold-air hole for receiving cold air, an upper tray having a plurality of hemispherical upper chambers defined therein, a lower tray pivotably disposed below the upper tray, wherein the lower tray has a plurality of lower chambers defined therein respectively connected to the upper chambers by pivoting, wherein each of the lower chambers and each of the upper chambers connected with each other define an ice chamber for forming spherical ice therein, a driver for pivoting the lower tray, and at least one shield formed on an outer face of the upper tray and corresponding to at least one of the ice chambers respectively, thereby to reduce the cold-air from invading the at least one corresponding ice chamber.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Yonghyun KIM, Jinil HONG, Hyunji PARK, Seunggeun LEE
  • Publication number: 20200158398
    Abstract: An ice maker according to the present embodiment includes an upper assembly configured to be provided with an upper tray which has an upper chamber recessed upwardly to define an upper side of an ice chamber in which water is filled to generate ice, an lower assembly configured to be provided with a lower tray which has a lower chamber recessed downwardly to define a lower side of the ice chamber, and a lower supporter which supports a lower side of the lower tray, in which the lower assembly is rotatably connected to the upper assembly, and an upper ejector configured to be provided with an upper ejecting pin which separates ice from the upper tray after ice-making is completed, in which the upper ejector is connected to the lower assembly to be interlocked with each other, and when the lower assembly is rotated, the upper ejector is lifted and lowered.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Yonghyun KIM, Jinil HONG, Hyunji PARK, Seungjin CHOI, Seunggeun LEE
  • Publication number: 20200158396
    Abstract: Provided is a refrigerator including a cabinet having a refrigerating compartment and a freezing compartment defined therein and an ice maker disposed in the freezing compartment. The ice maker includes a cold-air hole for receiving cold air, an upper tray made of an elastic material, wherein the upper tray is positioned to be exposed to the cold-air flowing from the cold-air hole, a lower tray made of an elastic material, wherein the lower tray is coupled to the upper tray to define a plurality of spherical ice chambers therebetween, a driver for pivoting the lower tray to open the spherical ice chambers, at least one thermally-insulating portion formed at a top face of the upper tray and corresponding to at least one of the ice chambers respectively, wherein the at least one thermally-insulating portion is constructed to prevent the cold-air from invading the at least one corresponding ice chamber.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Yonghyun KIM, Hyunji PARK, Jinil HONG, Seunggeun LEE
  • Patent number: 9677802
    Abstract: A dispenser water supply system including a dispenser, an ice making apparatus and a splitting valve are provided. The dispenser includes an outlet and is configured to dispense water and ice. The ice making apparatus is configured to provide ice to the dispenser. The splitting valve is configured to dispense water into the outlet of the dispenser and to the ice making apparatus to produce ice, the splitting valve being mounted at the dispenser. A refrigerator having the dispenser water system is also provided.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: June 13, 2017
    Assignee: LG ELECTRONICS INC.
    Inventor: Seunggeun Lee
  • Patent number: 9341404
    Abstract: Provided is a refrigerator. The refrigerator includes a cabinet providing a storage chamber closed by a door, a water supply container disposed at the door or the storage chamber to store water to be supplied to an icemaker or a dispenser, a detachable container connection assembly disposed at an upper side of the water supply container, a housing disposed at the door or the storage chamber so that the container connection assembly can be detachably attached to the housing, and a manipulation unit disposed at the container connection assembly to lock or unlock the container connection assembly attached to the housing. Therefore, the refrigerator can be conveniently used.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: May 17, 2016
    Assignee: LG Electronics Inc.
    Inventor: Seunggeun Lee
  • Patent number: 9234687
    Abstract: A refrigerator is provided. The refrigerator includes a main body including a compartment, an ice bank configured to store ice cubes, an ice maker configured to generate ice cubes and to move the ice cubes to the ice bank, the ice maker including an ice tray, a cover configured to isolate the ice bank and the ice maker from the compartment, the cover including a first opening and an ice shutter configured to prevent cold air flowing through the first opening of the cover into the ice maker from being introduced into the ice bank.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: January 12, 2016
    Assignee: LG Electronics Inc.
    Inventor: Seunggeun Lee
  • Publication number: 20140013792
    Abstract: A refrigerator is provided. The refrigerator includes a main body including a compartment, an ice bank configured to store ice cubes, an ice maker configured to generate ice cubes and to move the ice cubes to the ice bank, the ice maker including an ice tray, a cover configured to isolate the ice bank and the ice maker from the compartment, the cover including a first opening and an ice shutter configured to prevent cold air flowing through the first opening of the cover into the ice maker from being introduced into the ice bank.
    Type: Application
    Filed: July 9, 2013
    Publication date: January 16, 2014
    Inventor: Seunggeun LEE
  • Publication number: 20140007609
    Abstract: A dispenser water supply system including a dispenser, an ice making apparatus and a splitting valve are provided. The dispenser includes an outlet and is configured to dispense water and ice. The ice making apparatus is configured to provide ice to the dispenser. The splitting valve is configured to dispense water into the outlet of the dispenser and to the ice making apparatus to produce ice, the splitting valve being mounted at the dispenser. A refrigerator having the dispenser water system is also provided.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 9, 2014
    Inventor: Seunggeun LEE
  • Publication number: 20130283844
    Abstract: Provided is a refrigerator. The refrigerator includes a cabinet providing a storage chamber closed by a door, a water supply container disposed at the door or the storage chamber to store water to be supplied to an icemaker or a dispenser, a detachable container connection assembly disposed at an upper side of the water supply container, a housing disposed at the door or the storage chamber so that the container connection assembly can be detachably attached to the housing, and a manipulation unit disposed at the container connection assembly to lock or unlock the container connection assembly attached to the housing. Therefore, the refrigerator can be conveniently used.
    Type: Application
    Filed: June 22, 2011
    Publication date: October 31, 2013
    Applicant: LG ELECTRONICS INC.
    Inventor: Seunggeun Lee