Patents by Inventor Minhwan Choi

Minhwan Choi 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: 20240040973
    Abstract: A plant cultivation apparatus is disclosed. The plant cultivation apparatus includes a cabinet, a bed, a cultivation unit, a photographing unit, and a control unit. The bed is provided inside of the cabinet. The cultivation unit is seated on the bed and accommodates a medium in which at least a portion of a plant is embedded. The photographing unit is provided inside of the cabinet and captures an image of the cultivation unit. The control unit is configured to receive a captured image from the photographing unit. The cultivation unit includes a cultivation container and a cover unit. The cultivation container is seated on the bed, is provided to have an open upper portion, and accommodates the medium therein. The cover unit shields the open tipper portion of the cultivation container and includes a cover through-hole provided at a position corresponding to the medium.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 8, 2024
    Inventor: Minhwan CHOI
  • Publication number: 20220102678
    Abstract: A display panel includes: a substrate including an opening; a plurality of light-emitting elements arranged in a display area around the opening, the plurality of light-emitting elements each including a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode; a plurality of partition walls arranged in an intermediate area between the display area and the opening; and an encapsulation layer on the plurality of light-emitting elements, the encapsulation layer including an inorganic encapsulation layer and an organic encapsulation layer. The second electrode extends toward the intermediate area from the display area. An organic layer of the intermediate layer includes a plurality of opening portions arranged in a region from the opening to an edge portion of the second electrode facing the opening.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 31, 2022
    Inventors: Kyongjun Kim, Chulhwan Park, Dongjin Lee, Minhwan Choi
  • Patent number: 11068110
    Abstract: An electronic apparatus includes: a first sensor pattern including having a first peripheral area extending in a first direction; a second sensor pattern spaced apart from the first sensor pattern and having a second peripheral area, the second peripheral area extending in the first direction and facing the first peripheral area in a second direction intersecting the first direction to form a boundary between the first and second sensor patterns; first and second connection patterns connected to the first and second sensor patterns, respectively, and disposed on layers different from the first connection pattern; and a first pattern overlapping the first peripheral area in a plan view and spaced apart from the second sensor pattern to increase visibility of the boundary, and wherein each of the first sensor pattern and the second sensor pattern includes a plurality of mesh lines defining a plurality of openings.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeonha Baek, Kinyeng Kang, Hyuk-Jin Kim, Minhwan Choi
  • Publication number: 20210020078
    Abstract: A flexible display device includes a substrate which is bendable or rollable based on an axis, a plurality of display elements on the substrate, and a plurality of thin-film encapsulation patterns which covers the plurality of display elements, where the plurality of thin-film encapsulation patterns includes a first thin-film encapsulation pattern and a second thin-film encapsulation pattern, which are apart from each other in a direction crossing the axis, and each of the first thin-film encapsulation pattern and the second thin-film encapsulation pattern extends in parallel to the axis of the flexible display device.
    Type: Application
    Filed: July 13, 2020
    Publication date: January 21, 2021
    Inventors: Sunghyun Park, Minhwan Choi, Hyukjin Kim, Seungsuk Yang
  • Patent number: 10352593
    Abstract: A gas heat-pump system is provided.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: July 16, 2019
    Assignee: LG ELECTRONICS INC.
    Inventor: Minhwan Choi
  • Publication number: 20190196661
    Abstract: An electronic apparatus includes: a first sensor pattern including having a first peripheral area extending in a first direction; a second sensor pattern spaced apart from the first sensor pattern and having a second peripheral area, the second peripheral area extending in the first direction and facing the first peripheral area in a second direction intersecting the first direction to form a boundary between the first and second sensor patterns; first and second connection patterns connected to the first and second sensor patterns, respectively, and disposed on layers different from the first connection pattern; and a first pattern overlapping the first peripheral area in a plan view and spaced apart from the second sensor pattern to increase visibility of the boundary, and wherein each of the first sensor pattern and the second sensor pattern includes a plurality of mesh lines defining a plurality of openings.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Yeonha Baek, Kinyeng Kang, Hyuk-Jin Kim, Minhwan Choi
  • Patent number: 10012419
    Abstract: Provided is a heat-pump system including a plurality of compressors, wherein the plurality of compressors includes a first compressor and a second compressor that compress refrigerant, an oil separator provided on a discharge side of the plurality of compressors to separate oil mixed with refrigerant compressed by the plurality of compressors, an oil separation pipe extended from the oil separator to allow the plurality of compressors to recover oil, and a compressor side oil balance pipe extended from the second compressor to allow the first compressor to recover oil stored in the second compressor.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: July 3, 2018
    Assignee: LG Electronics Inc.
    Inventors: Hojong Jeong, Song Choi, Minhwan Choi
  • Publication number: 20170089617
    Abstract: A gas heat-pump system is provided.
    Type: Application
    Filed: August 11, 2016
    Publication date: March 30, 2017
    Inventor: Minhwan CHOI
  • Publication number: 20160043336
    Abstract: A method of manufacturing a flexible display apparatus includes forming a first flexible substrate on a first sacrificial layer on a first support substrate, forming a display layer on the first flexible substrate, forming an encapsulation layer on the display layer, forming a second flexible substrate on a second sacrificial layer on a second support substrate, forming a touch screen layer on the second flexible substrate, forming a color filter layer on the touch screen layer, bonding the first support substrate and the second support substrate based on an adhesive layer between the encapsulation layer and the color filter layer, and detaching the first support substrate and the second support substrate by performing a delaminating operation between the first sacrificial layer and the first flexible substrate and between the second sacrificial layer and the second flexible substrate.
    Type: Application
    Filed: May 6, 2015
    Publication date: February 11, 2016
    Inventors: Chiwoo KIM, Minhwan CHOI, Jeanyoung KANG, Kyunghan KIM, Kwansu KIM, Daewon PARK, Kyungjin YOO, Sangmin JANG, Myeongseok JEONG
  • Publication number: 20150219372
    Abstract: Provided is a heat-pump system including a plurality of compressors, wherein the plurality of compressors includes a first compressor and a second compressor that compress refrigerant, an oil separator provided on a discharge side of the plurality of compressors to separate oil mixed with refrigerant compressed by the plurality of compressors, an oil separation pipe extended from the oil separator to allow the plurality of compressors to recover oil, and a compressor side oil balance pipe extended from the second compressor to allow the first compressor to recover oil stored in the second compressor.
    Type: Application
    Filed: February 3, 2015
    Publication date: August 6, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Hojong Jeong, Song Choi, Minhwan Choi
  • Publication number: 20120154257
    Abstract: A display device includes an active region including a plurality of unit pixels, the unit pixels including first circuit regions and image display regions, first peripheral regions adjacent to the active region, the first peripheral region including a plurality of second circuit regions, the first circuit regions and the second circuit regions being arranged along same virtual straight lines, and second peripheral regions adjacent to the active region, the second peripheral region including a plurality of third circuit regions.
    Type: Application
    Filed: November 22, 2011
    Publication date: June 21, 2012
    Inventors: Hyun-Been HWANG, Cheol-Ho Park, Kwon-Hyung Lee, Byoungkwon Choo, Minhwan Choi