Patents by Inventor JANGUN CHOI

JANGUN 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).

  • Patent number: 12161019
    Abstract: A display apparatus includes a display panel module including a front surface displaying an image and a rear surface opposite the front surface, and a heat dissipation member disposed on the rear surface of the display panel module and including a first portion, that is in contact with the display panel module, and a second portion that is spaced farther apart from the display panel module than the first portion is. The heat dissipation member includes at least one portion that is bent between the first portion and the second portion with respect to a bending axis parallel to the rear surface.
    Type: Grant
    Filed: July 28, 2023
    Date of Patent: December 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoungkyoo Park, Jooyoung Kim, Weejoon Jeong, Jangun Choi
  • Publication number: 20240122049
    Abstract: A display device includes a display panel, a heat spread sheet below the display panel and in contact with a first surface of the display panel, and a heat storage sheet in contact with at least a portion of the heat spread sheet. The heat spread sheet includes a first phase change material. The heat storage sheet includes a second phase change material having a boiling point greater than a boiling point of the first phase change material.
    Type: Application
    Filed: July 4, 2023
    Publication date: April 11, 2024
    Inventors: Byoungkyoo PARK, YONGIL KIM, WEE-JOON JEONG, Jangun CHOI
  • Publication number: 20240064946
    Abstract: Provided is an electronic apparatus including a display panel, a chassis including a first part disposed adjacent to the display panel, and a second part which is connected to the first part and is spaced apart by a predetermined distance from the display panel to define a flow space between the second part and the display panel, and in which a first opening and a second opening communicating with the flow space are defined, and a cooling module disposed inside or outside of the second part, wherein the second opening is located to be lower than a reference line passing through the center of the display panel.
    Type: Application
    Filed: May 23, 2023
    Publication date: February 22, 2024
    Inventors: Jangun CHOI, YONGIL KIM, Byoungkyoo PARK, WEE-JOON JEONG
  • Publication number: 20240016043
    Abstract: A display device includes: a display panel having a display region and a non-display region; and a heat radiating member attached to the display panel, wherein the heat radiating member includes: a first plate facing the display panel; a second plate configured to face the first plate and defining an inner space with the first plate; and a phase change material in the inner space, and wherein the inner space includes a plurality of divided spaces, and the phase change material is in the plurality of divided spaces.
    Type: Application
    Filed: March 24, 2023
    Publication date: January 11, 2024
    Inventors: Byoungkyoo PARK, YONGIL KIM, WEE-JOON JEONG, Jangun CHOI
  • Publication number: 20230380214
    Abstract: A display apparatus includes a display panel module including a front surface displaying an image and a rear surface opposite the front surface, and a heat dissipation member disposed on the rear surface of the display panel module and including a first portion, that is in contact with the display panel module, and a second portion that is spaced farther apart from the display panel module than the first portion is. The heat dissipation member includes at least one portion that is bent between the first portion and the second portion with respect to a bending axis parallel to the rear surface.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 23, 2023
    Inventors: BYOUNGKYOO PARK, Jooyoung Kim, Weejoon Jeong, Jangun Choi
  • Patent number: 11751431
    Abstract: A display apparatus includes a display panel module including a front surface displaying an image and a rear surface opposite the front surface, and a heat dissipation member disposed on the rear surface of the display panel module and including a first portion, that is in contact with the display panel module, and a second portion that is spaced farther apart from the display panel module than the first portion is. The heat dissipation member includes at least one portion that is bent between the first portion and the second portion with respect to a bending axis parallel to the rear surface.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoungkyoo Park, Jooyoung Kim, Weejoon Jeong, Jangun Choi
  • Publication number: 20230072160
    Abstract: An electronic device includes a display panel, a first circuit board electrically connected to the display panel, a second circuit board electrically connected to the display panel and spaced apart from the first circuit board in a first direction, and a housing including an internal space that accommodates the display panel, the first circuit board, and the second circuit board, the housing includes a first opening exposing the internal space and closer to the first circuit board than to the second circuit board, and a second opening exposing the internal space, spaced apart from the first opening, and disposed between the first circuit board and the second circuit board, and holes passing through the housing are included in each of the first opening and the second opening of the housing.
    Type: Application
    Filed: July 27, 2022
    Publication date: March 9, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jangun CHOI, WEE-JOON JEONG, YONGIL KIM, Byoungkyoo PARK
  • Publication number: 20230062576
    Abstract: A display apparatus includes a display panel including a display region, a non-display region adjacent to the display region, and a pixel that provides light to the display region, a thermal spreading sheet disposed below the display panel and including a first layer, a second layer, and a third layer, the second layer having a thermal conductivity less than a thermal conductivity of the first layer, and an adhesive layer disposed between the thermal spreading sheet and the display panel and including a light absorbing material. The first layer and the third layer each have a horizontal thermal resistance in a range of about 1 K/J to about 20 K/J, and the second layer has a vertical thermal resistance in a range of about 500 K/J to about 2000 K/J.
    Type: Application
    Filed: July 1, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Byoungkyoo PARK, WEE-JOON JEONG, Jangun CHOI
  • Publication number: 20230061651
    Abstract: A display device includes a display panel, a bottom chassis under the display panel, and a circuit board electrically connected to the display panel and disposed under the bottom chassis. The circuit board includes a circuit base layer, at least one circuit element disposed on a lower surface of the circuit base layer, and a printed layer disposed on an upper surface of the circuit base layer and having an emissivity of about 0.3 or less. The bottom chassis includes an opening overlapping the at least one circuit element in a plan view.
    Type: Application
    Filed: June 7, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: WEE-JOON JEONG, YONGIL KIM, Byoungkyoo PARK, Jangun CHOI
  • Publication number: 20220093890
    Abstract: A display apparatus includes a display panel module including a front surface displaying an image and a rear surface opposite the front surface, and a heat dissipation member disposed on the rear surface of the display panel module and including a first portion, that is in contact with the display panel module, and a second portion that is spaced farther apart from the display panel module than the first portion is. The heat dissipation member includes at least one portion that is bent between the first portion and the second portion with respect to a bending axis parallel to the rear surface.
    Type: Application
    Filed: May 18, 2021
    Publication date: March 24, 2022
    Inventors: BYOUNGKYOO PARK, JOOYOUNG KIM, WEEJOON JEONG, JANGUN CHOI