Patents by Inventor Kwanghyun Choi

Kwanghyun 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: 20250208667
    Abstract: The present disclosure relates to a display panel including: a first panel area having a first front face and a first rear face; a second panel area having a second front face and a second rear face, the second panel area being configured to overlap the first panel area with the second rear face facing the first rear face with the display panel in a folded state; a third panel area having a third front face and a third rear face, the third panel area being configured to overlap the second panel area with the third front face facing the second front face with the display panel in the folded state; a first hinge coupling for coupling the first panel area and the second panel area to each other; and a second hinge coupling for coupling the second panel area and the third panel area to each other.
    Type: Application
    Filed: March 11, 2025
    Publication date: June 26, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Minjic LEE, Yeseul HAN, Jeongok JO, Kwanghyun CHOI
  • Publication number: 20250140187
    Abstract: A display device may include a first narrow angle control line for being electrically connected to a first viewing angle control circuit, a first wide angle control line for being electrically connected to the first viewing angle control circuit, and a first subpixel for being electrically connected to the first viewing angle control circuit, thereby controlling the viewing angle of a specific area of the display panel.
    Type: Application
    Filed: October 4, 2024
    Publication date: May 1, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Kwanghyun CHOI, SeungTae JIN, Dongkyu LEE
  • Publication number: 20250141168
    Abstract: An interchangeable plug for a power adapter can include a first coupling mechanism raised above a rear surface of the interchangeable plug and configured to be releasably coupled to a first engagement mechanism of the power adapter when the interchangeable plug is mounted on the power adapter. The interchangeable plug further can include a second coupling mechanism raised above the rear surface of the interchangeable plug and configured to be releasably coupled to a second engagement mechanism of the power adapter when the interchangeable plug is mounted on the power adapter. The first coupling mechanism and the second coupling mechanism can be separate and located on opposite ends of the interchangeable plug. Other embodiments are described.
    Type: Application
    Filed: November 1, 2023
    Publication date: May 1, 2025
    Applicant: Belkin International, Inc.
    Inventors: Linzhi Yang, Haiou Jiang, Ming Xu, Yan Zhuang, Haiqiang Zhong, Kwanghyun Choi
  • Patent number: 12281843
    Abstract: A refrigerator includes: a cabinet; a drawer door assembly including a front panel door part and a drawer part that defines an accommodation space; a rail that movably configured to connect the drawer door assembly to the cabinet and enable the drawer door assembly to insert into and withdraw from the cabinet; a driving device located at the front panel door part and configured to provide power; and an elevation device located in the drawer part and configured to be coupled to the driving device and elevate a portion of the drawer part relative to the front panel door part. The driving device includes: a motor assembly configured to provide driving force; a screw assembly configured to perform an elevation operation based on the driving force; and a lever that connects the screw assembly to the elevation device and that is configured to rotate based on the elevation operation.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: April 22, 2025
    Assignee: LG Electronics Inc.
    Inventors: Kwanghyun Choi, Daekil Kang
  • Patent number: 12277013
    Abstract: The present disclosure relates to a display panel including: a first panel area having a first front face and a first rear face; a second panel area having a second front face and a second rear face, the second panel area being configured to overlap the first panel area with the second rear face facing the first rear face with the display panel in a folded state; a third panel area having a third front face and a third rear face, the third panel area being configured to overlap the second panel area with the third front face facing the second front face with the display panel in the folded state; a first hinge coupling for coupling the first panel area and the second panel area to each other; and a second hinge coupling for coupling the second panel area and the third panel area to each other.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: April 15, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Minjic Lee, Yeseul Han, Jeongok Jo, Kwanghyun Choi
  • Patent number: 12259180
    Abstract: A refrigerator includes a cabinet defining a storage chamber, a door configured to open and close the storage chamber, a cooling device configured to cool the storage chamber, an elevation device configured to move a container in the storage chamber upward and downward, a locking device disposed at the elevation device and configured to, based on the elevation device being rotated about a front end of the elevation device in a folded state, lock the elevation device to the folded state and maintain the folded state, and a support plate that is disposed at the elevation device and includes a handle disposed at a rear portion of the support plate.
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: March 25, 2025
    Assignee: LG ELECTRONICS INC.
    Inventor: Kwanghyun Choi
  • Patent number: 12253303
    Abstract: A refrigerator includes a cabinet forming a storage space, a main door that opens and closes the storage space while defining an opening part that is in communication with the storage space, a sub-door mounted to the main door and configured to open and close the opening part, the sub-door including a panel assembly for allowing selective viewing of an inside of the opening part, the injection port is provided at a lower side of the sub-door to direct an insulating foaming solution to a space in the sub-door, a detection device for detecting an operation of a user, a lighting unit inside the refrigerator that turns on based on user operation to allow selective viewing of the inner side of the opening part, and a display unit inside the refrigerator at a position corresponding to the panel.
    Type: Grant
    Filed: May 28, 2024
    Date of Patent: March 18, 2025
    Assignee: LG Electronics Inc.
    Inventor: Kwanghyun Choi
  • Patent number: 12241677
    Abstract: A refrigerator includes a cabinet that defines a lower storage space, a front panel door part, a drawer part connected to the front panel door part, a support member located at the drawer part and configured to seat one or more objects stored in the drawer part, at least one draw-out rail that is configured to connect the drawer part to an inner wall surface of the lower storage space, and that is configured to extend and retract in multiple stages to assist insertion and withdrawal of the drawer part based on movement of the front panel door part, and at least one elevation device that is located at each of both side surfaces of the drawer part, that is connected to each of both sides of the support member, and that is configured to elevate the support member relative to the drawer part.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: March 4, 2025
    Assignee: LG Electronics Inc.
    Inventor: Kwanghyun Choi
  • Patent number: 12217635
    Abstract: A foldable display device that includes a folding area and non-folding area, is discussed. The foldable display device can include a first substrate, a second substrate corresponding to the first substrate and including the plurality of unit pixels, a thin film transistor disposed on the second substrate, an organic light emitting diode disposed on the thin film transistor, and a mesh pattern disposed between the first substrate and the second substrate and having a plurality of openings, and made of metal.
    Type: Grant
    Filed: August 23, 2023
    Date of Patent: February 4, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: MinJic Lee, HongSik Kim, Yeseul Han, JeongOk Jo, Kwanghyun Choi
  • Patent number: 12130077
    Abstract: A refrigerator includes a cabinet forming a storage space, a main door that opens and closes the storage space while defining an opening part that is in communication with the storage space, a sub-door mounted to the main door and configured to open and close the opening part, the sub-door including a panel assembly for allowing selective viewing of an inside of the opening part, the injection port is provided at a lower side of the sub-door to direct an insulating foaming solution to a space in the sub-door, a detection device for detecting an operation of a user, a lighting unit inside the refrigerator that turns on based on user operation to allow selective viewing of the inner side of the opening part, and a display unit inside the refrigerator at a position corresponding to the panel.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: October 29, 2024
    Assignee: LG Electronics Inc.
    Inventor: Kwanghyun Choi
  • Publication number: 20240328707
    Abstract: An elevation device for a refrigerator drawer includes a lower frame, an upper frame, and a lifting assembly. The lifting assembly includes: a pair of first rods having a first end rotatably coupled to the lower frame and a second end that translates along the upper frame; and a pair of second rods having a first end rotatably coupled to the upper frame and a second end that translates along the lower frame. The second rod is rotatably coupled to and crosses the first rod. The first or second rod is connected to a driving device via the first end of the first or second rod, with the driving device disposed outside the upper frame and the lower frame. The first and second rods are configured to, based on power from the driving device, rotate about their respective first ends to elevate the upper frame relative to the lower frame.
    Type: Application
    Filed: June 13, 2024
    Publication date: October 3, 2024
    Inventor: Kwanghyun CHOI
  • Publication number: 20240310113
    Abstract: A refrigerator includes a cabinet forming a storage space, a main door that opens and closes the storage space while defining an opening part that is in communication with the storage space, a sub-door mounted to the main door and configured to open and close the opening part, the sub-door including a panel assembly for allowing selective viewing of an inside of the opening part, the injection port is provided at a lower side of the sub-door to direct an insulating foaming solution to a space in the sub-door, a detection device for detecting an operation of a user, a lighting unit inside the refrigerator that turns on based on user operation to allow selective viewing of the inner side of the opening part, and a display unit inside the refrigerator at a position corresponding to the panel.
    Type: Application
    Filed: May 28, 2024
    Publication date: September 19, 2024
    Inventor: Kwanghyun CHOI
  • Patent number: 12050050
    Abstract: An elevation device for a refrigerator drawer includes a lower frame, an upper frame, and a lifting assembly. The lifting assembly includes: a pair of first rods having a first end rotatably coupled to the lower frame and a second end that translates along the upper frame; and a pair of second rods having a first end rotatably coupled to the upper frame and a second end that translates along the lower frame. The second rod is rotatably coupled to and crosses the first rod. The first or second rod is connected to a driving device via the first end of the first or second rod, with the driving device disposed outside the upper frame and the lower frame. The first and second rods are configured to, based on power from the driving device, rotate about their respective first ends to elevate the upper frame relative to the lower frame.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: July 30, 2024
    Assignee: LG Electronics Inc.
    Inventor: Kwanghyun Choi
  • Publication number: 20240224758
    Abstract: Provided is a light emitting display device. The light emitting display device includes a substrate in which a plurality of sub pixels is defined. The device includes an anode disposed on the substrate and disposed so as to correspond to each of the plurality of sub pixels. The device includes an emission layer disposed on the anode, a cathode disposed on the emission layer, a bank covering an edge of the anode to define an emission area, an encapsulation layer disposed on the cathode. The device also includes a light shielding pattern disposed on the encapsulation layer and enclosing a part of the emission area with respect to a plane. The device further includes a lens which is disposed on the light shielding pattern so as to correspond to the emission area and refracts light from the emission area.
    Type: Application
    Filed: December 13, 2023
    Publication date: July 4, 2024
    Inventors: SeongYeong KIM, SeYeoul KWON, ChangSoo KIM, Cheolhwan LEE, JeongOk JO, Kwanghyun CHOI
  • Publication number: 20240224754
    Abstract: A display device selectively operating between a wide field of view mode and a narrow field of view mode is disclosed. The device includes a substrate having thereon a first subpixel, a second subpixel, and a third subpixel of different color. The first subpixel has an area smaller than that of the second and third subpixels. Each of the first, second, and third subpixels include a first light emitting diode, a first lens disposed over the first light emitting diode, a second light emitting diode adjacent to the first light emitting diode, and a second lens disposed over the second light emitting diode. The narrow field of view mode is implemented based on the first lens and the wide field of view mode is implemented based on the second lens.
    Type: Application
    Filed: September 20, 2023
    Publication date: July 4, 2024
    Inventors: Kwanghyun CHOI, ChangSoo KIM, Cheolhwan LEE, SeYeoul KWON, JeongOk JO, SeongYeong KIM
  • Publication number: 20240201480
    Abstract: A display device includes a display panel including a pixel. The display device also includes a light modulator that is disposed on the display panel and includes a lens configured to control a path of light supplied from the display panel. Further, the display device includes a controller that supplies a driving voltage to the light modulator. The shape of the lens changes according to a change in value of the driving voltage.
    Type: Application
    Filed: July 5, 2023
    Publication date: June 20, 2024
    Inventors: SeYeoul Kwon, ChangSoo Kim, JeongOk Jo, SeongYeong Kim, Kwanghyun Choi
  • Patent number: 12013172
    Abstract: A door for a home appliance, a home appliance, and a method for manufacturing the same, are disclosed. The door for a home appliance comprises a panel assembly; and a frame assembly defining a predetermined space having an opening connected with an edge of the panel assembly, and making a foaming space for receiving a thermal insulator by means of the predetermined space of the frame assembly and the edge of the panel assembly, wherein a foaming injection hole through which the thermal insulator is injected is provided on at least one of ends of an upper surface, a lower surface, a left side and a right side of the frame assembly.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: June 18, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Kwanghyun Choi, Hyungkyu Park, Myeongha Yi
  • Patent number: 12010877
    Abstract: A display device includes a substrate; a bank defining a plurality of emission areas on the substrate; a plurality of light emitting elements at the plurality of emission areas; a plurality of spacers on the bank to surround peripheral portions of the plurality of emission areas, and the plurality of spacers are spaced apart from each other, so that film delamination of a light emitting element can be prevented by minimizing transmission of an impact to the light emitting element.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: June 11, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HongSik Kim, MinJic Lee, Yeseul Han, JeongOk Jo, Kwanghyun Choi
  • Patent number: 12004393
    Abstract: A foldable display device includes a flexible display substrate having a folding area and non-folding areas on two sides of the folding area, and a plurality of scan lines disposed on the flexible substrate and extending in a specific direction. The scan lines disposed in the folding area include a first part and a second part which are disposed on different layers and which are formed of different materials.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: June 4, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yeseul Han, MinJic Lee, HongSik Kim, JeongOk Jo, Kwanghyun Choi
  • Publication number: 20240159454
    Abstract: A door for a home appliance, a home appliance, and a method for manufacturing the same, are disclosed. The door for a home appliance comprises a panel assembly; and a frame assembly defining a predetermined space having an opening connected with an edge of the panel assembly, and making a foaming space for receiving a thermal insulator by means of the predetermined space of the frame assembly and the edge of the panel assembly, wherein a foaming injection hole through which the thermal insulator is injected is provided on at least one of ends of an upper surface, a lower surface, a left side and a right side of the frame assembly.
    Type: Application
    Filed: January 26, 2024
    Publication date: May 16, 2024
    Inventors: Kwanghyun CHOI, Hyungkyu Park, Myeongha Yi