Patents by Inventor Cheol Ko

Cheol Ko 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: 11984368
    Abstract: A display device includes a light emitting area and a sub-area disposed at a side of the light emitting area, a measurement area disposed in the sub-area, measurement patterns and a first electrode extension portion being disposed in the measurement area, a first electrode and a second electrode that are disposed in the light emitting area and spaced apart from each other, and face each other, a first insulating layer disposed on the first electrode and the second electrode, at least a part of the first insulating layer being disposed on the first electrode extension portion, and at least one light emitting element having ends disposed on the first electrode and the second electrode in the light emitting area. The measurement area includes a first measurement area in which a first measurement hole exposing a part of an upper surface of the first electrode extension portion is disposed.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Cheol Ko, Young Suk Lee, Yong Jun Park
  • Patent number: 11978770
    Abstract: A semiconductor device includes a substrate, an active pattern extending in a first direction on the substrate, first and second nanosheets stacked on the active pattern to be spaced apart from each other in a vertical direction, a gate electrode that extends in a second direction the active pattern, the gate electrode surrounding each of the first and second nanosheets, a source/drain region on at least one side of the gate electrode, and inner spacers between the gate electrode and the source/drain region, the inner spacers including a first inner spacer between the active pattern and the first nanosheet, and a second inner spacer between the first nanosheet and the second nanosheet, the second inner spacer having a first portion adjacent to the first nanosheet, and a second portion adjacent to the second nanosheet, the first portion being wider than the second portion.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: May 7, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung-Dong Ko, Woo Cheol Shin, Soo Jin Jeong
  • Publication number: 20240137821
    Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.
    Type: Application
    Filed: October 22, 2023
    Publication date: April 25, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Gi PARK, Young-Jo KO, IL GYU KIM, Jung Im KIM, Jun Sik KIM, Sung Cheol CHANG, Sun Mi JUN, Yong Seouk CHOI
  • Publication number: 20240118028
    Abstract: An infrared heat source module is configured to minimize problems such as wrinkles or cracks in electrodes even if the patterns of a coated part and an uncoated part of the electrodes present in a current collector vary. The module improves a drying efficiency of the coated part of the current collector. An electrode using the infrared heat source module is manufactured by a process.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Soon Sik Choi, Young Kuk Ko, Oh Cheol Kwon, Ji Hwan Kim, Jeong Won Lee
  • Patent number: 11810829
    Abstract: An apparatus for inspecting light emitting elements, a method of inspecting light emitting elements using the apparatus, and a method of manufacturing display device using the apparatus are provided. The apparatus includes a flow path unit extending in one direction and including a flow path along which a solution in which light emitting elements are mixed moves, at least one alignment unit to which the flow path extends from at least a portion of the flow path unit, a packaging unit at an end of the flow path unit and in which the light emitting elements are stacked, and a plurality of alignment electrodes on an outer surface of the alignment unit.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung Cheol Ko
  • Patent number: 11804389
    Abstract: An annealing apparatus includes: a main body configured to receive a substrate; a microwave generating unit configured to generate microwaves to be transmitted to the main body; an incidence unit configured to transmit the microwaves from the microwave generating unit to the main body; and a diffraction unit disposed between the incident unit and the main body. The diffraction unit is configured to pass the microwaves therethrough before they are transmitted to the main body.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: October 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Soo So, In Cheol Ko, Jong Jun Baek, Jae Woo Jeong
  • Patent number: 11263932
    Abstract: A display device includes a display panel which includes a display area which displays an image on a first major surface of the display panel. The display panel includes a first folding portion, a second folding portion, and a third folding portion which are disposed in the display area, and an extension direction of the first folding portion, an extension direction of the second folding portion, and an extension direction of the third folding portion are different from each other.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Seung Cheol Ko
  • Publication number: 20220044976
    Abstract: A display device includes a light emitting area and a sub-area disposed at a side of the light emitting area, a measurement area disposed in the sub-area, measurement patterns and a first electrode extension portion being disposed in the measurement area, a first electrode and a second electrode that are disposed in the light emitting area and spaced apart from each other, and face each other, a first insulating layer disposed on the first electrode and the second electrode, at least a part of the first insulating layer being disposed on the first electrode extension portion, and at least one light emitting element having ends disposed on the first electrode and the second electrode in the light emitting area. The measurement area includes a first measurement area in which a first measurement hole exposing a part of an upper surface of the first electrode extension portion is disposed.
    Type: Application
    Filed: June 17, 2021
    Publication date: February 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Cheol KO, Young Suk LEE, Yong Jun PARK
  • Publication number: 20210384084
    Abstract: An apparatus for inspecting light emitting elements, a method of inspecting light emitting elements using the apparatus, and a method of manufacturing display device using the apparatus are provided. The apparatus includes a flow path unit extending in one direction and including a flow path along which a solution in which light emitting elements are mixed moves, at least one alignment unit to which the flow path extends from at least a portion of the flow path unit, a packaging unit at an end of the flow path unit and in which the light emitting elements are stacked, and a plurality of alignment electrodes on an outer surface of the alignment unit.
    Type: Application
    Filed: April 5, 2021
    Publication date: December 9, 2021
    Inventor: Seung Cheol KO
  • Patent number: 11145703
    Abstract: A display device may include a substrate, a first layer on the substrate, the first layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a second layer on the first layer, an active pattern on the second layer, the active pattern overlapping only the first portion of the first layer, a gate electrode on the active pattern, a source electrode and a drain electrode on the gate electrode and connected to the active pattern, a first electrode connected to one of the source electrode and the drain electrode, a pixel defining layer on the first electrode, the pixel defining layer having an opening portion exposing at least a portion of the first electrode, an emission layer in the opening portion on the first electrode, and a second electrode on the emission layer.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: October 12, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongoh Seo, In Cheol Ko, Byung Soo So, Dong-min Lee, Dong-Sung Lee
  • Publication number: 20210118335
    Abstract: A display device includes a display panel which includes a display area which displays an image on a first major surface of the display panel. The display panel includes a first folding portion, a second folding portion, and a third folding portion which are disposed in the display area, and an extension direction of the first folding portion, an extension direction of the second folding portion, and an extension direction of the third folding portion are different from each other.
    Type: Application
    Filed: July 10, 2020
    Publication date: April 22, 2021
    Inventor: Seung Cheol KO
  • Patent number: 10761626
    Abstract: A touch sensor according to an exemplary embodiment includes: a substrate; a first sense electrode that is disposed on the substrate and extends in a first direction; a first insulation layer that covers the substrate and the first sense electrode; and a second sense electrode that is disposed in the first insulation layer and extends in a second direction that crosses the first direction, wherein an upper surface of the second sense electrode is disposed on the same plane as an upper surface of the first insulation layer.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: September 1, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Woo Jeong, In Cheol Ko
  • Publication number: 20200152723
    Abstract: A display device may include a substrate, a first layer on the substrate, the first layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a second layer on the first layer, an active pattern on the second layer, the active pattern overlapping only the first portion of the first layer, a gate electrode on the active pattern, a source electrode and a drain electrode on the gate electrode and connected to the active pattern, a first electrode connected to one of the source electrode and the drain electrode, a pixel defining layer on the first electrode, the pixel defining layer having an opening portion exposing at least a portion of the first electrode, an emission layer in the opening portion on the first electrode, and a second electrode on the emission layer.
    Type: Application
    Filed: November 7, 2019
    Publication date: May 14, 2020
    Inventors: Jongoh SEO, In Cheol KO, Byung Soo SO, Dong-min LEE, Dong-Sung LEE
  • Publication number: 20200051835
    Abstract: An annealing apparatus includes: a main body configured to receive a substrate; a microwave generating unit configured to generate microwaves to be transmitted to the main body; an incidence unit configured to transmit the microwaves from the microwave generating unit to the main body; and a diffraction unit disposed between the incident unit and the main body. The diffraction unit is configured to pass the microwaves therethrough before they are transmitted to the main body.
    Type: Application
    Filed: August 7, 2019
    Publication date: February 13, 2020
    Inventors: Byung Soo SO, In Cheol KO, Jong Jun BAEK, Jae Woo JEONG
  • Publication number: 20190129525
    Abstract: A touch sensor according to an exemplary embodiment includes: a substrate; a first sense electrode that is disposed on the substrate and extends in a first direction; a first insulation layer that covers the substrate and the first sense electrode; and a second sense electrode that is disposed in the first insulation layer and extends in a second direction that crosses the first direction, wherein an upper surface of the second sense electrode is disposed on the same plane as an upper surface of the first insulation layer.
    Type: Application
    Filed: April 13, 2018
    Publication date: May 2, 2019
    Inventors: Jae Woo JEONG, In Cheol KO
  • Publication number: 20190088794
    Abstract: A display device includes: a substrate including a display area at which an image is displayed with light; and a switching element on the substrate in the display area thereof. The switching element includes: a semiconductor layer; a first gate electrode; a second gate electrode connected to the first gate electrode; a fluorine-doped first insulating layer between the first gate electrode and semiconductor layer; and a fluorine-doped second insulating layer between the second gate electrode and the semiconductor layer.
    Type: Application
    Filed: March 13, 2018
    Publication date: March 21, 2019
    Inventors: Jae Woo JEONG, In Cheol KO, Jong Jun BAEK
  • Patent number: 9787754
    Abstract: A method provides a service to a client by using a browser of a virtual server. The method includes steps of: (a) the virtual server creating a specific tab of a browser corresponding to a specified client, when the virtual server detects that the specified client accesses the virtual server; and (b) the virtual server acquiring a webpage screen from an address designated by the virtual server or a webpage screen requested by a user of the specified client, loading the webpage screen through the specific tab, encoding the webpage screen as a video or a still image, transmitting the encoded webpage screen to the specified client, and allowing the specified client to decode the encoded webpage screen to thereby display it through a screen of the specified client.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: October 10, 2017
    Assignee: Obigo Inc.
    Inventors: Ki Hyun Jo, Jae Cheol Ko
  • Publication number: 20160286004
    Abstract: A method provides a service to a client by using a browser of a virtual server. The method includes steps of: (a) the virtual server creating a specific tab of a browser corresponding to a specified client, when the virtual server detects that the specified client accesses the virtual server; and (b) the virtual server acquiring a webpage screen from an address designated by the virtual server or a webpage screen requested by a user of the specified client, loading the webpage screen through the specific tab, encoding the webpage screen as a video or a still image, transmitting the encoded webpage screen to the specified client, and allowing the specified client to decode the encoded webpage screen to thereby display it through a screen of the specified client.
    Type: Application
    Filed: May 6, 2015
    Publication date: September 29, 2016
    Inventors: Ki Hyun Jo, Jae Cheol Ko
  • Publication number: 20140001951
    Abstract: A flexible display apparatus and a method of manufacturing the same are disclosed. The flexible display apparatus includes a substrate; a light-emitting display unit formed on a first surface of the substrate; an encapsulation layer formed on the light-emitting display unit; and a conductive layer formed on a second surface of the substrate, the second surface of the substrate being opposite to the first surface of the substrate, wherein the conductive layer includes a conductor, and the conductor includes at least one selected from a carbon nanotube (CNT), fullerene, and a nanowire. Changes in characteristics of the light-emitting display unit due to static electricity are prevented in this configuration.
    Type: Application
    Filed: November 29, 2012
    Publication date: January 2, 2014
    Inventors: Che-Ryong Hwang, Jae-Wook Kang, Moo-Jin Kim, In-Cheol Ko, Jun-Hyuk Cheon
  • Patent number: 8518898
    Abstract: Disclosed is a cytoprotective composition comprising hesperidin or a pharmaceutically acceptable salt thereof as an active ingredient. Having the ability to protect cells from radiation-induced injuries in addition to being non-toxic to cells, hesperidin in accordance with the present invention can be used as an active cytoprotective agent.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: August 27, 2013
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Sang Hyun Park, Kannampalli Pradeep, Kyong Cheol Ko