Patents by Inventor Jong Hyun Choi

Jong Hyun 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: 10877440
    Abstract: A display device includes a substrate having a through-hole. The display device also includes a display unit formed on the substrate and surrounding the through-hole, and the display unit is configured to display an image and includes pixels.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Nyeng Kang, Keum Nam Kim, Jong Hyun Choi
  • Patent number: 10873240
    Abstract: Disclosed herein is a motor including a power connector capable of preventing current leakage to the outer case and structural interference with the outer case. The motor includes a stator provided with an insulator, a rotor configured to be rotated against the stator, a power connection portion provided in the insulator, and configured to support an end of a coil wound around the stator and configured to accommodate a mag-mate terminal, and a power connector coupled to the power connection portion to connect an external power source to the coil, wherein the power connector includes a lead wire, a fork terminal coupled to an end of the lead wire to electrically connect the lead wire to the coil and a housing configured to accommodate the end of the lead wire and the fork terminal and coupled to the power connection portion.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: December 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-Yeol Hwang, Jong Hyun Choi, In Cheol Hwang
  • Publication number: 20200394967
    Abstract: A display device includes a display portion having a substantially rectangular area with rounded edges in which a plurality of data lines are arranged. The display device includes a first area corresponding to a rounded edge part and a second area corresponding to a straight edge part adjacent to the first area. A data driving circuit includes a plurality of output channels configured to output data voltages. Odd-numbered output channels output data voltages according to a sequential arrangement of data lines in the second area. Even-numbered output channels output data voltages according to a reverse sequential arrangement of data lines in the first area.
    Type: Application
    Filed: April 20, 2020
    Publication date: December 17, 2020
    Inventors: GYUNG SOON PARK, Seung-Hwan Cho, Jong Hyun Choi
  • Publication number: 20200395429
    Abstract: A display apparatus includes: a substrate including a display area in which a plurality of pixel areas is arranged, and a peripheral area adjacent to the display area and in which a pad portion including a plurality of pad electrodes is arranged; a first signal line and a second signal line in the display area on the substrate; a first connecting line electrically connected to the first signal line and connected to the pad portion, at least a portion of the first connecting line being in the display area; and a dummy line on a same layer as the first connecting line.
    Type: Application
    Filed: April 7, 2020
    Publication date: December 17, 2020
    Inventors: Seung-Hwan CHO, Jong Hyun CHOI, Gyung Soon PARK, Juchan PARK, Seungmin SONG, Minseong YI
  • Patent number: 10861409
    Abstract: A display device includes a first display region including a plurality of first pixels connected to first scan lines and first data lines, a second display region at one side of the first display region, the second display region including a plurality of second pixels connected to second scan lines and second data lines, a first scan driver configured to supply a scan signal to the first scan lines, a second scan driver between the second display region and the first scan driver, the second scan driver being configured to supply a scan signal to the second scan lines, and a data driver configured to supply a data signal to the first data lines and the second data lines, wherein some of the first scan lines and the second scan lines are at different layers.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hoon Lee, Seung Hwan Cho, Byung Sun Kim, Jae Hyung Cho, Jong Hyun Choi
  • Patent number: 10857594
    Abstract: Provided is a method for producing a metal sintered body. The method for producing a metal sintered body in accordance with an embodiment includes (a) disposing a metal powder in a chamber of a spark plasma sintering apparatus, (b) applying a electric current to the metal powder to raise a temperature inside the chamber from a standby temperature to a first sintering temperature, (c) lowering the temperature inside the chamber to a second sintering temperature lower than the first sintering temperature and performing sintering, and (d) lowering the temperature inside the chamber from the second sintering temperature to the standby temperature.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: December 8, 2020
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jong Hyun Choi, Hyun Min Sung, Seong Hyeon Hong, Heung Nam Han
  • Publication number: 20200380918
    Abstract: A display device including a substrate including a display area and a non-display area, a plurality of signal lines disposed in the display area and extending along a first direction and from the non-display area to the display area, a connection line extending from the non-display area and electrically connected to a respective signal line of the plurality of signal lines in the non-display area, and an initialization voltage line extending in a second direction intersecting the first direction, wherein the connection line overlaps the initialization voltage line in a thickness direction of the display device.
    Type: Application
    Filed: March 27, 2020
    Publication date: December 3, 2020
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Hwan CHO, Ki Nyeng KANG, Sang Hoon LEE, Sun Ho KIM, Tae Woo KIM, Tae Hoon YANG, Jong Hyun CHOI
  • Publication number: 20200357345
    Abstract: A display device that includes a first area including a display area, a second area including a non-display area, and a third area connecting the first and second areas. A demultiplexing circuit unit is disposed in the non-display area of the second area and overlaps with the first area in a direction of a thickness of the display device.
    Type: Application
    Filed: April 17, 2020
    Publication date: November 12, 2020
    Inventors: Seung Hwan Cho, Jong Hyun Choi, Ju Chan Park, Seung Min Song, Min Seong Yi
  • Publication number: 20200313102
    Abstract: According to an embodiment of the present invention, a display device includes: a substrate including a through-hole, a peripheral area surrounding the through-hole, a wiring area surrounding the peripheral area, and a display area surrounding the wiring area; a gate insulating layer disposed on the substrate; a gate wire disposed in the wiring area and on the gate insulating layer; an interlayer insulating layer disposed on the gate wire; a data wire disposed in the wiring area and on the interlayer insulating layer; a middle insulating layer disposed on the data wire; and a first main insulating dam disposed in the wiring area and on the middle insulating layer, wherein the first main insulating dam includes an organic material, and wherein a width of a lower surface of the first main insulating dam is narrower than a width of an upper surface of the first main insulating dam.
    Type: Application
    Filed: March 11, 2020
    Publication date: October 1, 2020
    Inventors: Tae Woo KIM, Seung-Hwan CHO, Jong Hyun CHOI, Sang Hoon LEE
  • Patent number: 10777631
    Abstract: A display device includes: a first substrate including a display area and a non-display area bordering at least a portion of the display area; a first transistor disposed in the display area, and includes a semiconductor layer, a gate electrode, a source electrode, and a drain electrode. A driving circuit is disposed in the non-display area, and includes a second transistor including a semiconductor layer, a gate electrode, a source electrode, and a drain electrode. An insulating layer disposed between the source and drain electrodes of the second transistor and the source and drain electrodes of the first transistor over the second transistor; a signal transmission line disposed in the non-display area, and transmitting a signal to the driving circuit; a second substrate facing the first substrate; and a sealant disposed in the non-display area between the first substrate and the second substrate, and overlapping the second transistor.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Hwan Cho, Jong Hyun Choi, Doo Hwan Kim, Do Keun Song, Joo Sun Yoon, Min Jae Jeong
  • Publication number: 20200258960
    Abstract: An organic light emitting display device includes a substrate, a light emitting structure, an undercut structure, and a functional module. The substrate includes an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. The substrate has a groove in the peripheral region and an opening in the opening region. The light emitting structure is in the display region on the substrate. The undercut structure is inside the groove in the substrate. The undercut structure includes a sacrificial metal pattern having a first width and at least one insulating layer pattern having a second width greater than the first width. The functional module is in the opening of the substrate.
    Type: Application
    Filed: January 7, 2020
    Publication date: August 13, 2020
    Inventor: Jong Hyun CHOI
  • Publication number: 20200258969
    Abstract: A display device including a display area and a non-display area, the display device including a plurality of data wires disposed in the display area and in the non-display area, a plurality of connecting wires disposed in the display area and connected to the data wires, a plurality of dummy patterns disposed in the display area in the same layer as the connecting wires, and shielding patterns disposed on the connecting wires. First gaps are defined between the connecting wires and the dummy patterns, and the shielding patterns overlap with the first gaps.
    Type: Application
    Filed: December 29, 2019
    Publication date: August 13, 2020
    Inventors: Min Seong YI, Seung Hwan Cho, Tae Hyun Kim, Jong Hyun Choi
  • Publication number: 20200243570
    Abstract: A thin-film transistor substrate may include a first thin-film transistor and a second thin-film transistor which are disposed on a substrate. The first thin-film transistor may include a first semiconductor layer, a first gate electrode, and a first electrode. The second thin-film transistor may include a second semiconductor layer disposed on the first semiconductor layer and overlapping at least a portion of the first semiconductor layer, a second gate electrode, and a second electrode electrically connected to the first electrode. The second electrode may overlap the first electrode.
    Type: Application
    Filed: April 20, 2020
    Publication date: July 30, 2020
    Inventors: Jong-Hyun CHOI, Tae-Jin KIM
  • Patent number: 10658393
    Abstract: A thin-film transistor substrate may include a first thin-film transistor and a second thin-film transistor which are disposed on a substrate. The first thin-film transistor may include a first semiconductor layer, a first gate electrode, and a first electrode. The second thin-film transistor may include a second semiconductor layer disposed on the first semiconductor layer and overlapping at least a portion of the first semiconductor layer, a second gate electrode, and a second electrode electrically connected to the first electrode. The second electrode may overlap the first electrode.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: May 19, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Hyun Choi, Tae-Jin Kim
  • Publication number: 20200091012
    Abstract: A method of inspecting a wafer quality includes injecting ions into a wafer using an ion beam in an ion implantation process, collecting data about the ion beam by using a Faraday cup, extracting first data from the data about the ion beam, extracting a wafer section from the first data, calculating a feature value of a wafer from the wafer section, and evaluating a quality of the wafer by comparing the feature value with a predetermined threshold or range.
    Type: Application
    Filed: April 22, 2019
    Publication date: March 19, 2020
    Inventors: Jong-Hyun Choi, Seok-Bae Moon, Jae-Hyuk Choi, Won-Ki Park, Jong-Hwi Seo
  • Patent number: 10547221
    Abstract: A compressor motor and a method for magnetizing a rotor thereof are provided. The compressor motor includes a stator and a rotor configured to electromagnetically interact with the stator to be rotated, wherein the rotor includes a core, a plurality of magnets inserted into the core, and a cover configured to cover both end portions of the core and to be injection-molded so as to fill accommodation spaces that are formed between the core and the plurality of magnets.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: January 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-bum Lee, Gyeong-don Kim, Young-ju Ryu, Jong-hyun Choi, In-cheol Hwang
  • Patent number: D892105
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Beom Ji, Jong Hyun Choi, Seung Min Lee, Dong Hwan Shim
  • Patent number: D892106
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Beom Ji, Jong Hyun Choi, Seung Min Lee, Dong Hwan Shim
  • Patent number: D902213
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: November 17, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Hwan Cho, Jong Hyun Choi
  • Patent number: D907024
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: January 5, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Beom Ji, Jong Hyun Choi, Seung Min Lee, Dong Hwan Shim