Patents by Inventor Eui-jeong Kang

Eui-jeong Kang 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: 11877483
    Abstract: A display device includes a display module including a first base substrate and a pad on a top surface of the first base substrate; a circuit film coupled to a lateral surface of the first base substrate and including a contact pad spaced apart from the pad; and a conductive member on the top surface of the first base substrate and in contact with the pad and the contact pad.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: January 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Donghyun Lee, Si Joon Song, Eui Jeong Kang
  • Publication number: 20230329054
    Abstract: A display device includes a display module including a pad region, a base layer in which a first open region corresponding to the pad region is defined, a pixel on the base layer, and a signal line which is on the base layer, electrically connected to the pixel and includes a pad portion corresponding to the first open region, a flexible circuit board electrically connected to the display module, at the pad region of the display module, a window facing the display module, an upper layer between the window and the display module, and a resin structure which bonds the flexible circuit board to the display module, at the pad region.
    Type: Application
    Filed: April 5, 2023
    Publication date: October 12, 2023
    Inventors: EUI JEONG KANG, JEONGMIN BAN, IKJUN HONG, Minhee PARK
  • Patent number: 11770966
    Abstract: A method of manufacturing a display device includes: providing a first substrate, a second substrate, and a plurality of connection lines, wherein the first substrate has a base substrate, wherein the second substrate faces the first substrate, and wherein the plurality of connection lines are disposed between the base substrate and the second substrate; grinding a side surface of the base substrate, a side surface of the second substrate, and side surfaces of the plurality of connection lines; and simultaneously transferring a conductive film and laser-curing the conductive film, wherein the conductive film is transferred to the ground side surface of the base substrate, the ground side surface of the second substrate, and the ground side surfaces of the plurality of connection lines.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eui Jeong Kang, Si Joon Song, Byoung Yong Kim, Dae Hyuk Im
  • Publication number: 20230301148
    Abstract: A display device includes a substrate including a bending area, a flat area adjacent to the bending area, and first and second surfaces opposite to each other, a display unit corresponding to the flat area and on the first surface, a support layer which is on the second surface of the substrate, corresponds to the flat area, and is disconnected at the bending area to define an end portion closest to the bending area, and the substrate defining a groove in the bending area. The end portion of the support layer is bendable together with the substrate and includes a flat portion corresponding to the flat area of the substrate, and a bending portion corresponding to the bending area of the substrate. The substrate which is unbent disposes the bending portion having an acute angle of inclination with respect to the second surface of the substrate.
    Type: Application
    Filed: March 3, 2023
    Publication date: September 21, 2023
    Inventors: Han Ho PARK, Eui Jeong KANG, Min Hee PARK, Jeong Eun PARK, Joong Mok LEE, Chung Seok LEE, Suk Ho CHOI
  • Patent number: 11706960
    Abstract: A display device includes a substrate, a driving pad disposed on the substrate, an insulating layer covering the driving pad, disposed on the substrate, and including an engraved pattern through which at least a portion of the driving pad is exposed, and a circuit board including a circuit pad having a shape inserted into the engraved pattern and making contact with the driving pad.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: July 18, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eui Jeong Kang, Seung-Soo Ryu, Sanghyuck Yoon
  • Patent number: 11644919
    Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eui Jeong Kang, Sang Hyuck Yoon, Seung Soo Ryu, Jeong Jin Park, Si Joon Song
  • Publication number: 20230015414
    Abstract: A method of manufacturing a display device includes: providing a first substrate, a second substrate, and a plurality of connection lines, wherein the first substrate has a base substrate, wherein the second substrate faces the first substrate, and wherein the plurality of connection lines are disposed between the base substrate and the second substrate; grinding a side surface of the base substrate, a side surface of the second substrate, and side surfaces of the plurality of connection lines; and simultaneously transferring a conductive film and laser-curing the conductive film, wherein the conductive film is transferred to the ground side surface of the base substrate, the ground side surface of the second substrate, and the ground side surfaces of the plurality of connection lines.
    Type: Application
    Filed: September 29, 2022
    Publication date: January 19, 2023
    Inventors: Eui Jeong KANG, Si Joon Song, Byoung Yong Kim, Dae Hyuk IM
  • Patent number: 11527603
    Abstract: A display device includes a pixel array disposed on a base substrate, a side terminal electrically connected to the pixel array, a connection pad including a first side surface contacting a side surface of the side terminal, and a driving device bonding to a second side surface of the connection pad, where the second side surface is opposite to the first side surface. The side terminal includes a resistance-reducing layer and an upper conductive layer, the resistance-reducing layer includes a first conductive material, the upper conductive layer is disposed on the resistance-reducing layer and includes a second conductive material having an oxidation resistance greater than the first conductive material. A portion of the upper conductive layer is disposed between the connection pad and the resistance-reducing layer such that the resistance-reducing layer is spaced apart from the connection pad.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghyun Lee, Eui Jeong Kang, Byoungyong Kim, Seung-Soo Ryu, Sanghyeon Song, Sang Hyuck Yoon
  • Patent number: 11515381
    Abstract: A display device including a display panel, a side surface electrode, and a flexible film. The display panel includes a display area, a non-display area defined outside the display area, a pixel disposed in the display area, a signal line connected to the pixel, and a connection pad extending from the signal line and disposed in the non-display area. The side surface electrode is disposed on one side surface of the display panel and contacts one side surface of the connection pad. The flexible film includes a driving pad that contacts the side surface electrode. The connection pad includes a first electrode layer including a plurality of first electrodes and a second electrode layer disposed on the first electrode layer and including a plurality of second electrodes. The first electrode layer and the second electrode layer have different rigidities.
    Type: Grant
    Filed: June 7, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eui Jeong Kang, Byoungyong Kim, Seung-Soo Ryu, Sanghyeon Song, Donghyun Lee
  • Patent number: 11508946
    Abstract: A method of manufacturing a display device includes: providing a first substrate, a second substrate, and a plurality of connection lines, wherein the first substrate has a base substrate, wherein the second substrate faces the first substrate, and wherein the plurality of connection lines are disposed between the base substrate and the second substrate; grinding a side surface of the base substrate, a side surface of the second substrate, and side surfaces of the plurality of connection lines; and simultaneously transferring a conductive film and laser-curing the conductive film, wherein the conductive film is transferred to the ground side surface of the base substrate, the ground side surface of the second substrate, and the ground side surfaces of the plurality of connection lines.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eui Jeong Kang, Si Joon Song, Byoung Yong Kim, Dae Hyuk Im
  • Publication number: 20220350436
    Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.
    Type: Application
    Filed: July 14, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Eui Jeong KANG, Sang Hyuck YOON, Seung Soo RYU, Jeong Jin PARK, Si Joon SONG
  • Patent number: 11409387
    Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: August 9, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eui Jeong Kang, Sang Hyuck Yoon, Seung Soo Ryu, Jeong Jin Park, Si Joon Song
  • Patent number: 11367854
    Abstract: Provided are a display device and a method of manufacturing a display device. The display device includes a first substrate in which a display area and a non-display area disposed outside the display area are defined; a second substrate which faces the first substrate and comprises an area recessed in a thickness direction and a contact area disposed outside the recessed area; and a cell seal which bonds the first substrate and the second substrate together, wherein the cell seal comprises a bonding filament which is disposed between the contact area and the non-display area to connect the contact area and the first substrate and a frit seal which is disposed between the recessed area and the non-display area.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Suk Seo, Eui Jeong Kang, Yong Hoon Kwon, Jung Hyun Kim, Si Joon Song
  • Publication number: 20220107697
    Abstract: A display device includes a display panel including display pads, display connection pads disposed on a side surface of the display panel and connected to the display pads, a touch member including touch pads disposed on a display surface perpendicular to the side surface of the display panel, and touch connection pads overlapping a top surface of the touch member and the side surface of the display panel and connected to the touch pads. The side surface of the display panel includes a first area overlapping the display connection pads, a second area overlapping the touch connection pads, and a third area which does not overlap the display connection pads and does not overlap the touch connection pads. The first area, the second area, and the third area are located on a same plane.
    Type: Application
    Filed: August 16, 2021
    Publication date: April 7, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Eui Jeong KANG, Sang Hyuck YOON, Seung Soo RYU, Jeong Jin PARK, Si Joon SONG
  • Publication number: 20210376043
    Abstract: A display device includes a substrate, a driving pad disposed on the substrate, an insulating layer covering the driving pad, disposed on the substrate, and including an engraved pattern through which at least a portion of the driving pad is exposed, and a circuit board including a circuit pad having a shape inserted into the engraved pattern and making contact with the driving pad.
    Type: Application
    Filed: March 2, 2021
    Publication date: December 2, 2021
    Inventors: EUI JEONG KANG, SEUNG-SOO RYU, SANGHYUCK YOON
  • Publication number: 20210375804
    Abstract: The invention relates to display device and method of manufacturing the same. The display device includes: a substrate; a driving pad disposed on the substrate; an insulating layer exposing the driving pad and disposed on the substrate; a circuit board including a circuit pad overlapping the driving pad; and a connector disposed between the circuit board and the insulating layer and including a plurality of conductive particles electrically connecting the driving pad and the circuit pad, the driving pad including: a first pad disposed on the substrate; and a second pad disposed on the first pad and having an opening exposing the first pad.
    Type: Application
    Filed: May 11, 2021
    Publication date: December 2, 2021
    Inventors: EUI JEONG KANG, SANGHYEON SONG, HEEJU WOO, DONGHYUN LEE
  • Publication number: 20210359072
    Abstract: A display device includes a display module including a first base substrate and a pad on a top surface of the first base substrate; a circuit film coupled to a lateral surface of the first base substrate and including a contact pad spaced apart from the pad; and a conductive member on the top surface of the first base substrate and in contact with the pad and the contact pad.
    Type: Application
    Filed: February 26, 2021
    Publication date: November 18, 2021
    Inventors: DONGHYUN LEE, SI JOON SONG, EUI JEONG KANG
  • Publication number: 20210336195
    Abstract: Provided are a display device and a method of manufacturing a display device. The display device includes a first substrate in which a display area and a non-display area disposed outside the display area are defined; a second substrate which faces the first substrate and comprises an area recessed in a thickness direction and a contact area disposed outside the recessed area; and a cell seal which bonds the first substrate and the second substrate together, wherein the cell seal comprises a bonding filament which is disposed between the contact area and the non-display area to connect the contact area and the first substrate and a frit seal which is disposed between the recessed area and the non-display area.
    Type: Application
    Filed: December 27, 2018
    Publication date: October 28, 2021
    Inventors: WOO SUK SEO, EUI JEONG KANG, YONG HOON KWON, JUNG HYUN KIM, SI JOON SONG
  • Patent number: 11106068
    Abstract: A method of manufacturing a display device includes fixing a display panel to a stage, attaching a printed circuit board to a first side surface of the fixed display panel, and irradiating the first side surface of the display panel with light from a first lighting and irradiating a second side surface of the display panel opposite the first side surface of the display panel with light from a second lighting to check alignment of the printed circuit board.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Si Joon Song, Eui Jeong Kang, Byoung Yong Kim, Dae Hyuk Im, Young Min Park
  • Publication number: 20210193789
    Abstract: A display device includes a pixel array disposed on a base substrate, a side terminal electrically connected to the pixel array, a connection pad including a first side surface contacting a side surface of the side terminal, and a driving device bonding to a second side surface of the connection pad, where the second side surface is opposite to the first side surface. The side terminal includes a resistance-reducing layer and an upper conductive layer, the resistance-reducing layer includes a first conductive material, the upper conductive layer is disposed on the resistance-reducing layer and includes a second conductive material having an oxidation resistance greater than the first conductive material. A portion of the upper conductive layer is disposed between the connection pad and the resistance-reducing layer such that the resistance-reducing layer is spaced apart from the connection pad.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 24, 2021
    Inventors: Donghyun LEE, Eui Jeong KANG, Byoungyong KIM, Seung-Soo RYU, Sanghyeon SONG, Sang Hyuck YOON