Patents by Inventor Jeong-Ho Hwang

Jeong-Ho Hwang 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: 20240057439
    Abstract: A display device includes: a display panel that includes a substrate including a display area and a non-display area and a plurality of pixels in the display area; a cover panel directly on a rear surface of the substrate and including an opening exposing at least one area of the substrate; a sensor provided within the opening of the cover panel; a circuit board coupled to one side of an upper surface of the substrate and electrically connected to the pixels; and a receiving member configured to receive the display panel, the cover panel, and the circuit board, wherein the cover panel includes a photo-curable resin or a thermo-curable resin.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 15, 2024
    Inventors: Jun Young LEE, Young Do KIM, Jeong Weon SEO, Jun Woo YOU, Jeong Ho HWANG
  • Patent number: 11552044
    Abstract: A bonding apparatus for bonding a driving circuit to a display panel includes: a bonding stage unit on which the display panel is supported in bonding the driving circuit to the display panel; a head unit located above the bonding stage unit and with which ultrasonic waves are applied to the driving circuit to couple the driving circuit with a bonding area of the display panel supported on the bonding stage unit; and a protrusion disposed at an edge portion of the bonding stage unit, the edge portion corresponding to an end of the display panel at which the bonding area is disposed.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Yong Kim, Jeong Ho Hwang
  • Patent number: 11393851
    Abstract: A display device includes a substrate including a display area to display an image and a pad area positioned around the display area; a first pad unit disposed on the pad area, and including a first terminal region having a plurality of first pad terminals arranged in a first direction; and a printed circuit board including a base film and a second pad unit positioned at one side of the base film, the second pad unit being coupled with the first pad unit by electrically connecting with the plurality of first pad terminals.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: July 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Yong Kim, Jong Hyuk Lee, Jeong Ho Hwang
  • Patent number: 11377261
    Abstract: A tray for a display apparatus includes a plate disposed to be parallel with a first direction and a second direction perpendicular to the first direction, a first recessed part recessed from the plate in a third direction perpendicular to the first and second directions, a second recessed part recessed from the plate in the third direction and spaced apart from the first recessed part in the second direction, a first inclined surface extending from the first recessed part in a direction opposite to the third direction and inclined at a first angle with respect to the plate, and a second inclined surface extending from the second recessed part in the direction opposite to the third direction, inclined at a second angle with respect to the plate and connected to the first inclined surface.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: July 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sangwon Lee, Jeong Ho Hwang
  • Patent number: 11116079
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display region configured to display an image, and a pad region positioned around the display region; and a first pad unit positioned on the pad region, wherein the first pad unit includes a first terminal region including a plurality of first pad terminals arranged in a first pattern, and a second terminal region including a plurality of second pad terminals arranged in a second pattern different from the first pattern.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: September 7, 2021
    Inventors: Byoung Yong Kim, Jong Hyuk Lee, Jeong Ho Hwang
  • Publication number: 20210245925
    Abstract: A tray for a display apparatus includes a plate disposed to be parallel with a first direction and a second direction perpendicular to the first direction, a first recessed part recessed from the plate in a third direction perpendicular to the first and second directions, a second recessed part recessed from the plate in the third direction and spaced apart from the first recessed part in the second direction, a first inclined surface extending from the first recessed part in a direction opposite to the third direction and inclined at a first angle with respect to the plate, and a second inclined surface extending from the second recessed part in the direction opposite to the third direction, inclined at a second angle with respect to the plate and connected to the first inclined surface.
    Type: Application
    Filed: January 5, 2021
    Publication date: August 12, 2021
    Inventors: Sangwon LEE, Jeong Ho HWANG
  • Publication number: 20210229412
    Abstract: A cover window and an apparatus and method for manufacturing the cover window. The cover window includes a film layer having at least one bent portion, a resin layer having at least one bent portion, and an adhesive layer disposed between the film layer and the resin layer and adhering the film layer and the resin layer.
    Type: Application
    Filed: April 16, 2021
    Publication date: July 29, 2021
    Inventors: Jee-Seok Oh, Jeong-Ho Hwang, Sang-Gu Kim, Joo-II Kim
  • Publication number: 20210134756
    Abstract: A bonding apparatus for bonding a driving circuit to a display panel includes: a bonding stage unit on which the display panel is supported in bonding the driving circuit to the display panel; a head unit located above the bonding stage unit and with which ultrasonic waves are applied to the driving circuit to couple the driving circuit with a bonding area of the display panel supported on the bonding stage unit; and a protrusion disposed at an edge portion of the bonding stage unit, the edge portion corresponding to an end of the display panel at which the bonding area is disposed.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Inventors: Byoung Yong KIM, Jeong Ho HWANG
  • Patent number: 10994524
    Abstract: Provided are a cover window and an apparatus and method for manufacturing the cover window. The cover window includes a film layer having at least one bent portion, a resin layer having at least one bent portion, and an adhesive layer disposed between the film layer and the resin layer and adhering the film layer and the resin layer.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: May 4, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jee-Seok Oh, Jeong-Ho Hwang, Sang-Gu Kim, Joo-Il Kim
  • Patent number: 10923453
    Abstract: A bonding apparatus for bonding a driving circuit to a display panel includes: a bonding stage unit on which the display panel is supported in bonding the driving circuit to the display panel; a head unit located above the bonding stage unit and with which ultrasonic waves are applied to the driving circuit to couple the driving circuit with a bonding area of the display panel supported on the bonding stage unit; and a protrusion disposed at an edge portion of the bonding stage unit, the edge portion corresponding to an end of the display panel at which the bonding area is disposed.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Yong Kim, Jeong Ho Hwang
  • Patent number: 10907509
    Abstract: Provided is a waste heat recovery power generation system, including: a compressor configured to compress a working fluid; a heat exchanger configured to recover waste heat from waste heat gas supplied from a waste heat source, the recovered waste heat heating the working fluid; a turbine configured to be driven by the working fluid heated by the recovered waste heat; and a recuperator configured to exchange heat between an output fluid of the turbine and an output fluid of the compressor to cool the output fluid of the turbine in which the output fluid of the compressor is branched into a first output fluid and a second output fluid of the compressor.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: February 2, 2021
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Jeong Ho Hwang, Eung Chan Lee, Seung Gyu Kang, Sang Sin Park, Cheol Rae Jeong
  • Patent number: 10886348
    Abstract: A display device including a display area and a non-display area disposed around the display area. The device includes a substrate; and at least one pad terminal disposed in the non-display area on the substrate and including an uneven surface in which concave portions and convex portion are electrically connected to each other.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: January 5, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung Yong Kim, Jeong Ho Hwang
  • Patent number: 10756045
    Abstract: A connecting device for connecting a circuit chip to a substrate is provided. The connecting device includes: a main body having a first opening and a second opening; a vibration part on the main body, the vibration part being configured to vibrate the main body; and an intake part coupled with the first and second openings to adsorb the circuit chip to the main body. Both the first and second openings are open at a surface of the main body to which the circuit chip is adsorbed, and the second opening is arranged in the first opening on a plane.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: August 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Hwa Ha, Seung Soo Ryu, Jeong Ho Hwang
  • Publication number: 20200260579
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display region configured to display an image, and a pad region positioned around the display region; and a first pad unit positioned on the pad region, wherein the first pad unit includes a first terminal region including a plurality of first pad terminals arranged in a first pattern, and a second terminal region including a plurality of second pad terminals arranged in a second pattern different from the first pattern.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: Byoung Yong KIM, Jong Hyuk LEE, Jeong Ho HWANG
  • Patent number: 10727440
    Abstract: A display device includes a substrate including a display area and a peripheral area outside the display area, the peripheral area including a bendable bending region, a display member on the display area of the substrate to display an image, and a protection film under the substrate, the protection film including a groove at a position corresponding to the bending region of the peripheral area, wherein the groove includes a bottom surface and inner walls extending from the bottom surface to a surface of the protection film, a boundary part being defined at an intersection of each inner wall with the surface of the protection film, and wherein boundary parts adjacent to opposite ends of the protection film are separated from the opposite ends of the protection film, respectively.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Yong Kim, Jeong Ho Hwang
  • Patent number: 10705393
    Abstract: A display device includes a display substrate including a display area and a pad region, a first pad portion including a plurality of first pad terminals, the plurality of first pad terminals being arranged in a first direction, and a printed circuit board (PCB) including a base film and a second pad portion. The second pad is electrically connected to the first pad portion. The second pad portion includes a plurality of second pad terminals electrically connected to the plurality of first pad terminals, and a plurality of first test lines. The plurality of second pad terminals includes a plurality of sub-pad terminals. One of the plurality of first lines is connected to a first sub-pad terminal of the plurality of sub-pad terminals, and a second sub-pad terminal of the plurality of sub-pad terminals is not connected to any of the plurality of first lines.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Yong Kim, Jong Hyuk Lee, Jeong Ho Hwang
  • Publication number: 20200203390
    Abstract: A display device includes a substrate including a display area to display an image and a pad area positioned around the display area; a first pad unit disposed on the pad area, and including a first terminal region having a plurality of first pad terminals arranged in a first direction; and a printed circuit board including a base film and a second pad unit positioned at one side of the base film, the second pad unit being coupled with the first pad unit by electrically connecting with the plurality of first pad terminals.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 25, 2020
    Inventors: Byoung Yong KIM, Jong Hyuk Lee, Jeong Ho Hwang
  • Patent number: D980833
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: March 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Kim, Byung Hoon Kang, Kyung Rok Ko, Seung Ho Kim, Young-Seok Seo, Gyu In Shim, Jeong Ho Hwang, Young Su Kim, Jae Suk Yoo, Yong Won Yun, Jeong-Seop Choi
  • Patent number: D981385
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: March 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Kim, Byung Hoon Kang, Kyung Rok Ko, Seung Ho Kim, Young-Seok Seo, Gyu In Shim, Jeong Ho Hwang, Young Su Kim, Jae Suk Yoo, Yong Won Yun, Jeong-Seop Choi
  • Patent number: D1052565
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: November 26, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Kim, Byung Hoon Kang, Kyung Rok Ko, Seung Ho Kim, Young-Seok Seo, Gyu In Shim, Jeong Ho Hwang, Young Su Kim, Jae Suk Yoo, Yong Won Yun, Jeong-Seop Choi