Patents by Inventor Ji-hwan SEO

Ji-hwan SEO 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: 12268053
    Abstract: A method of manufacturing a display device including forming a polysilicon layer on a substrate, patterning the polysilicon layer to form a polysilicon pattern including a first region and a second region each having a first thickness, and a third region having a second thickness less than the first thickness, forming a gate insulation layer on the polysilicon pattern, forming a gate electrode on the gate insulation layer, partially implanting ions into the polysilicon pattern to form an active layer, forming an insulation interlayer on the gate electrode, forming source and drain contact holes each passing through the insulation interlayer and the gate insulation layer and respectively overlapping the first region and the second region, forming source and drain electrodes respectively filling the source and drain contact holes, and forming a light emitting element electrically connected to the source electrode or the drain electrode.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 1, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Oh Seo, Ji-Hwan Kim, Byung-Soo So, Dong-Min Lee, Jong-Hoon Choi
  • Publication number: 20250096365
    Abstract: A battery pack for a vehicle may include: a plurality of battery modules arranged on a plane; a lower case forming an accommodation space surrounding the lower and lateral portions of the plurality of battery modules; a pack cover coupled to the upper portion of the lower case so as to cover the upper portion of the accommodation space; a plurality of inner members provided in the accommodation space to separate the plurality of battery modules; and a heat blocker provided between the pack cover and the inner members so as to thermally isolate the battery modules separated by the inner members.
    Type: Application
    Filed: March 19, 2024
    Publication date: March 20, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hyun Chang Kang, Jeong Hun Seo, Ji Woong Jung, Yoon Hyuk Kang, Jun Ho Suh, Yong Hwan Choi, Jun Young Kang
  • Publication number: 20250093653
    Abstract: A mobile display device includes a first display device that provides images to a user's left eye, a second display device that provides images to the user's right eye, a display device housing that accommodates the first display device and the second display device, and a housing cover that covers the display device housing and includes a first eyepiece aligned with the first display device and a second eyepiece aligned with the second display device. Each of the first display device and the second display device includes a display panel and a circuit board disposed at one end of the display panel and that includes a driver circuit. The circuit board of the first display device and the circuit board of the second display device are symmetrically arranged with respect to a center of the housing cover located between the first eyepiece and the second eyepiece.
    Type: Application
    Filed: May 20, 2024
    Publication date: March 20, 2025
    Inventors: SU JEONG KIM, GUN SHIK KIM, JOON HYUNG PARK, JI NA SEO, SEUNG HWAN CHO
  • Publication number: 20250095399
    Abstract: Provided is a display device comprising a display panel, a metal plate on a bottom surface of the display panel, the metal plate including a first surface facing the bottom surface of the display panel and a second surface opposite to the one surface, and a fingerprint sensor overlappingly disposed on the second surface of the metal plate, wherein the metal plate includes an indentation groove recessed in a direction toward the first surface from the second surface of the metal plate, and the fingerprint sensor is disposed on the second surface of the metal plate on which the indentation groove is formed.
    Type: Application
    Filed: November 28, 2024
    Publication date: March 20, 2025
    Inventors: Kyung Min CHOI, Ji Hun RYU, Su Yul SEO, Kwang Hyun BAEK, Dong Hwan LEE, Won Ki HONG, Jeong An HONG
  • Patent number: 12249272
    Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.
    Type: Grant
    Filed: October 13, 2023
    Date of Patent: March 11, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Jin Jeon, Min Chul Shin, Jung Hwan Hwang, Sung Hwan Kim, Ji Youn Seo, Kye Uk Lee
  • Patent number: 12230195
    Abstract: A display device includes PWM data lines to receive PWM data voltages, first to third data lines to receive corresponding data voltages from among first to third data voltages, sweep signal lines to receive sweep signals, and a sub-pixel connected to a PWM data line from among the PWM data lines, a data line from among the first to third data lines, and a sweep signal line from among the sweep signal lines, and includes at least one light emitting element. The sub-pixel may include a first transistor, a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep signal line, and overlapping the first capacitor electrode in a thickness direction of the display device. The second capacitor electrode does not overlap a source electrode and a drain electrode of the first transistor in the thickness direction.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: February 18, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kye Uk Lee, Jung Hwan Hwang, Ji Youn Seo
  • Publication number: 20230354780
    Abstract: Disclosed is a companion animal customized feed order system including: a store system configured to provide a management service for a store cooking natural food; an input/output terminal configured to receive companion animal basic information from a customer; and a management server configured to calculate a customized natural food recipe according to the companion animal information and transmit the calculated customized natural food recipe to the store system.
    Type: Application
    Filed: November 29, 2019
    Publication date: November 9, 2023
    Inventors: Ji Hwan SEO, Eun Kyung JEONG
  • Patent number: 10873847
    Abstract: A host device and a method of communicating with a plurality of devices are provided. The method includes operations of searching for devices that are communicatable with the host device, generating routing paths connected to a wearable device via devices found by the host device, selecting one of the routing paths according to a preset reference, and communicating with the wearable device via at least one of the found devices included in the selected routing path, wherein the preset reference includes a first reference that is set according to a service executed by the host service, or includes a second reference that is set according to a security level of each of the found devices.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: December 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-keun Lee, Ji-hwan Seo, Min-ho Lee, Myeong-gi Jeong, Chi-hyun Cho
  • Patent number: 10868903
    Abstract: Disclosed is an electronic device. An electronic device according to an embodiment controls a plurality of external electronic devices. The electronic device may comprise: a communication module configured to transmit a control signal to each of the plurality of external electronic devices; a display for receiving a first input for controlling each of the plurality of external electronic devices, and receiving a second input provided in a predetermined direction; and a processor for controlling the communication module to transmit a control signal corresponding to the received first input to at least one external electronic device corresponding to a direction of the second input, from among the plurality of external electronic devices.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: December 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Hwan Seo, Myeong-Gi Jeong, Jae-Hong Jo, Hyun-A Jo
  • Patent number: 10637934
    Abstract: An electronic device is provided. The electronic device includes an output unit configured to output a first service provided from a first device and a controller configured to perform control so that when reception of the first service is paused, and a second device providing at least one second service corresponding to the first service is searched, a request for the at least one second service is sent to the second device.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: April 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Hwan Seo, Dae-Ho Lee, Myeong-Gi Jeong, Chi-Hyun Cho
  • Patent number: 10313426
    Abstract: A method of managing a control right in a 1:n network topology is provided. The master device includes a display unit configured to display a first screen, a control unit configured to receive a request for at least one right for controlling the master device and/or a mirroring service from at least one of a plurality of client devices mirroring the first screen, and to grant the requested right to the at least one of the plurality of client devices in response to the request, and a communication unit configured to receive the request and to transmit the response.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: June 4, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-in Kim, Ji-hwan Seo, Jin-wook Lee
  • Publication number: 20180332158
    Abstract: Disclosed is an electronic device. An electronic device according to an embodiment controls a plurality of external electronic devices. The electronic device may comprise: a communication module configured to transmit a control signal to each of the plurality of external electronic devices; a display for receiving a first input for controlling each of the plurality of external electronic devices, and receiving a second input provided in a predetermined direction; and a processor for controlling the communication module to transmit a control signal corresponding to the received first input to at least one external electronic device corresponding to a direction of the second input, from among the plurality of external electronic devices.
    Type: Application
    Filed: September 20, 2016
    Publication date: November 15, 2018
    Inventors: Ji-Hwan SEO, Myeong-Gi JEONG, Jae-Hong JO, Hyun-A JO
  • Patent number: 9652193
    Abstract: A method for providing a service related to a plurality of mirroring images displayed on a screen of a sink device is provided. The method includes determining a first object in a first mirroring image that is displayed on the screen of the sink device, based on a user input, as the first object is moved to a location in a second mirroring image that is displayed on the screen of the sink device, determining a second object that corresponds to the location to which the first object has been moved, determining a service related to the first object and the second object, from among services provided via the second mirroring image, and outputting a result of the determined service.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 16, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-hwan Seo, Pil-seob Kang, Soo-ho Chang, Seong-il Hahm
  • Publication number: 20160157087
    Abstract: A host device and a method of communicating with a plurality of devices are provided. The method includes operations of searching for devices that are communicatable with the host device, generating routing paths connected to a wearable device via devices found by the host device, selecting one of the routing paths according to a preset reference, and communicating with the wearable device via at least one of the found devices included in the selected routing path, wherein the preset reference includes a first reference that is set according to a service executed by the host service, or includes a second reference that is set according to a security level of each of the found devices.
    Type: Application
    Filed: November 30, 2015
    Publication date: June 2, 2016
    Inventors: Jae-keun LEE, Ji-hwan SEO, Min-ho LEE, Myeong-gi JEONG, Chi-hyun CHO
  • Publication number: 20160156723
    Abstract: An electronic device is provided. The electronic device includes an output unit configured to output a first service provided from a first device and a controller configured to perform control so that when reception of the first service is paused, and a second device providing at least one second service corresponding to the first service is searched, a request for the at least one second service is sent to the second device.
    Type: Application
    Filed: December 1, 2015
    Publication date: June 2, 2016
    Inventors: Ji-Hwan SEO, Dae-Ho LEE, Myeong-Gi JEONG, Chi-Hyun CHO
  • Publication number: 20150082184
    Abstract: A method of managing a control right in a 1:n network topology is provided. The master device includes a display unit configured to display a first screen, a control unit configured to receive a request for at least one right for controlling the master device and/or a mirroring service from at least one of a plurality of client devices mirroring the first screen, and to grant the requested right to the at least one of the plurality of client devices in response to the request, and a communication unit configured to receive the request and to transmit the response.
    Type: Application
    Filed: September 15, 2014
    Publication date: March 19, 2015
    Inventors: Jeong-in KIM, Ji-hwan SEO, Jin-wook LEE
  • Publication number: 20150061972
    Abstract: A method for providing a service related to a plurality of mirroring images displayed on a screen of a sink device is provided. The method includes determining a first object in a first mirroring image that is displayed on the screen of the sink device, based on a user input, as the first object is moved to a location in a second mirroring image that is displayed on the screen of the sink device, determining a second object that corresponds to the location to which the first object has been moved, determining a service related to the first object and the second object, from among services provided via the second mirroring image, and outputting a result of the determined service.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventors: Ji-hwan SEO, Pil-seob KANG, Soo-ho CHANG, Seong-il HAHM