Patents by Inventor Do-Kyeong Lee

Do-Kyeong Lee 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: 12354808
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode, wherein the external electrode includes a conductive metal and glass, and wherein at least a portion of the glass includes a secondary phase of the glass including barium (Ba), aluminum (Al), and silicon (Si).
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: July 8, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kwang Dong Seong, Young Ah Song, Bong Gyu Choi, Do Kyeong Lee, Jae Hoon Bang, Wan Sik Kim
  • Patent number: 12347622
    Abstract: Provided is a multilayer electronic component, the multilayer electronic component including: a body including a dielectric layer and internal electrodes alternately disposed with the dielectric layer; an external electrode disposed on the body and connected to the internal electrodes, wherein the external electrode includes a metal including Cu, wherein the metal included in the external electrode has crystallites having a size of 70 nm or more and 100 nm or less, measured from a peak of a plane obtained from an X-ray diffraction pattern.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: July 1, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Ah Song, Bong Gyu Choi, Kwang Dong Seong, Jae Hoon Bang, Do Kyeong Lee, Wan Sik Kim
  • Publication number: 20250151521
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Inventors: Keun Woo KIM, Tae Wook KANG, Han Bit KIM, Bum Mo SUNG, Do Kyeong LEE, Jae Seob LEE
  • Patent number: 12256571
    Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, and including a first channel portion, a second channel portion, a connecting portion disposed between the first channel portion and the second channel portion, and electrode regions, a first insulating layer disposed on the semiconductor layer, a gate conductor disposed on the first insulating layer and including a first gate electrode overlapping the first channel portion and a second gate electrode overlapping the second channel portion, signal lines disposed on the substrate, a first electrode electrically connected to at least one of electrode regions of the semiconductor layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, and the first channel portion and the second channel portion of the semiconductor layer each have a first width greater than a second width of the connecting portion.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Han Bit Kim, Mee Jae Kang, Keun Woo Kim, Doo-Na Kim, Sang Sub Kim, Do Kyeong Lee, Jae Hwan Chu
  • Patent number: 12225770
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.
    Type: Grant
    Filed: November 30, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Woo Kim, Tae Wook Kang, Han Bit Kim, Bum Mo Sung, Do Kyeong Lee, Jae Seob Lee
  • Publication number: 20240296996
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode, wherein the external electrode includes a conductive metal and glass, and wherein at least a portion of the glass includes a secondary phase of the glass including barium (Ba), aluminum (Al), and silicon (Si).
    Type: Application
    Filed: June 16, 2023
    Publication date: September 5, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kwang Dong Seong, Young Ah Song, Bong Gyu Choi, Do Kyeong Lee, Jae Hoon Bang, Wan Sik Kim
  • Publication number: 20240282529
    Abstract: Provided is a multilayer electronic component, the multilayer electronic component including: a body including a dielectric layer and internal electrodes alternately disposed with the dielectric layer; an external electrode disposed on the body and connected to the internal electrodes, wherein the external electrode includes a metal including Cu, wherein the metal included in the external electrode has crystallites having a size of 70 nm or more and 100 nm or less, measured from a peak of a plane obtained from an X-ray diffraction pattern.
    Type: Application
    Filed: July 21, 2023
    Publication date: August 22, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Ah SONG, Bong Gyu CHOI, Kwang Dong SEONG, Jae Hoon BANG, Do Kyeong LEE, Wan Sik KIM
  • Publication number: 20240145483
    Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, and including a first channel portion, a second channel portion, a connecting portion disposed between the first channel portion and the second channel portion, and electrode regions, a first insulating layer disposed on the semiconductor layer, a gate conductor disposed on the first insulating layer and including a first gate electrode overlapping the first channel portion and a second gate electrode overlapping the second channel portion, signal lines disposed on the substrate, a first electrode electrically connected to at least one of electrode regions of the semiconductor layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, and the first channel portion and the second channel portion of the semiconductor layer each have a first width greater than a second width of the connecting portion.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Inventors: Han Bit KIM, Mee Jae KANG, Keun Woo KIM, Doo-Na KIM, Sang Sub KIM, Do Kyeong LEE, Jae Hwan CHU
  • Publication number: 20240107808
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Keun Woo KIM, Tae Wook KANG, Han Bit KIM, Bum Mo SUNG, Do Kyeong LEE, Jae Seob LEE
  • Patent number: 11881487
    Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, and including a first channel portion, a second channel portion, a connecting portion disposed between the first channel portion and the second channel portion, and electrode regions, a first insulating layer disposed on the semiconductor layer, a gate conductor disposed on the first insulating layer and including a first gate electrode overlapping the first channel portion and a second gate electrode overlapping the second channel portion, signal lines disposed on the substrate, a first electrode electrically connected to at least one of electrode regions of the semiconductor layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, and the first channel portion and the second channel portion of the semiconductor layer each have a first width greater than a second width of the connecting portion.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Han Bit Kim, Mee Jae Kang, Keun Woo Kim, Doo-Na Kim, Sang Sub Kim, Do Kyeong Lee, Jae Hwan Chu
  • Patent number: 11871617
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Woo Kim, Tae Wook Kang, Han Bit Kim, Bum Mo Sung, Do Kyeong Lee, Jae Seob Lee
  • Patent number: 11727882
    Abstract: A pixel includes: a capacitor connected between a first voltage line and a first node; a light emitting diode including a first electrode connected to a second node, and a second electrode connected to a second voltage line; a first transistor; a second transistor; a third transistor including a first electrode connected to the first node, a second electrode connected to the second node, and a gate electrode to receive a first scan signal; a fourth transistor including a first electrode connected to the first node, a second electrode connected to a third voltage line to receive a third voltage, and a gate electrode to receive a second scan signal; and a compensation transistor including a first electrode connected to the first node, a second electrode connected to a fourth voltage line to receive a compensation voltage, and a gate electrode to receive a compensation control voltage.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hanbit Kim, Meejae Kang, Keunwoo Kim, Doo-Na Kim, Sangsub Kim, Do Kyeong Lee, Jaehwan Chu
  • Patent number: 11705057
    Abstract: A pixel includes a light emitting element, a driving switching element and a first compensation switching element and a second compensation switching element. The driving switching element is which applies a driving current to the light emitting element. The first compensation switching element and the second compensation switching element are connected between a control electrode of the driving switching element and an output electrode of the driving switching element. The first compensation switching element and the second compensation switching element are connected to each other in series. The driving switching element is a P-type transistor. The first compensation switching element is an N-type transistor. The second compensation switching element is a P-type transistor.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keunwoo Kim, Meejae Kang, Hanbit Kim, Do Kyeong Lee, Jaehwan Chu
  • Publication number: 20230135816
    Abstract: The present disclosure proposes an apparatus for detecting an error in a coupling between charging devices and a method of detecting an error in a coupling between charging devices. The apparatus includes a voltage generation unit generating voltages that correspond to resistance values, respectively, of a plurality of charging devices that are hooked up to a connector; a comparison unit comparing magnitudes of voltage values of the generated voltages; and a control unit performing control in such a manner that, among the plurality of charging devices, a charging device preset to be matched based on results of comparing the magnitudes of the voltage values is operated only when hooked up to the connector.
    Type: Application
    Filed: August 23, 2022
    Publication date: May 4, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, YURA CORPORATION CO.,LTD.
    Inventors: Yun Jae Jung, Do Kyeong Lee, Sae Ki Kang, Woo Gwon Shim, Dae Hwan Kwon
  • Publication number: 20230112253
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 µm to about 2 µm, and a length of the channel of the third transistor is in a range of about 1 µm to about 2.5 µm.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 13, 2023
    Inventors: Keun Woo KIM, Tae Wook KANG, Han Bit KIM, Bum Mo SUNG, Do Kyeong LEE, Jae Seob LEE
  • Patent number: 11552149
    Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Woo Kim, Tae Wook Kang, Han Bit Kim, Bum Mo Sung, Do Kyeong Lee, Jae Seob Lee
  • Patent number: 11513784
    Abstract: The present invention includes a CP monitoring unit configured to monitor a CP voltage applied through a CP line from the controller of the slow charging cable when the slow charging cable is connected to an inlet, a mode switching request unit configured to request mode switching to the controller of the slow charging cable by converting the monitored CP voltage to a preset mode switching voltage; a communication switching unit configured to connect a LIN transceiver for LIN communication to the CP line when the controller of the slow charging cable is switched to a LIN communication mode for software update, and a control unit configured to control the LIN transceiver to transmit a pre-stored software update file to the controller of the slow charging cable, so that the controller's software can be updated without disassembling or damaging the controller of the slow charging cable.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: November 29, 2022
    Assignee: YURA CORPORATION CO., LTD.
    Inventors: Do Kyeong Lee, Dae Hwan Kwon
  • Patent number: 11450722
    Abstract: A display device includes: a first semiconductor layer on a first buffer layer, and including a first active layer; a first gate insulating layer on the first semiconductor layer, and covering the first active layer; a first conductive layer on the first gate insulating layer, and including a first gate electrode; a second conductive layer on the first conductive layer, and including a first source/drain electrode; a first interlayer insulating layer on the first conductive layer; a second semiconductor layer on the first interlayer insulating layer, and including a second active layer; a second gate insulating layer on the second semiconductor layer, and covering the second active layer; and a third conductive layer on the second gate insulating layer, and including a second gate electrode and a second source/drain electrode. The first gate insulating layer and the second gate insulating layer include different insulating materials from each other.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Display Co., Lid.
    Inventors: Doo Na Kim, Keun Woo Kim, Tae Wook Kang, Do Kyeong Lee, Yong Su Lee, Jae Hwan Chu, Kwang Hyun Kim, Yeoung Keol Woo, Yung Bin Chung
  • Publication number: 20220246087
    Abstract: A pixel includes a light emitting element, a driving switching element and a first compensation switching element and a second compensation switching element. The driving switching element is which applies a driving current to the light emitting element. The first compensation switching element and the second compensation switching element are connected between a control electrode of the driving switching element and an output electrode of the driving switching element. The first compensation switching element and the second compensation switching element are connected to each other in series. The driving switching element is a P-type transistor. The first compensation switching element is an N-type transistor. The second compensation switching element is a P-type transistor.
    Type: Application
    Filed: November 29, 2021
    Publication date: August 4, 2022
    Inventors: KEUNWOO KIM, MEEJAE KANG, HANBIT KIM, DO KYEONG LEE, JAEHWAN CHU
  • Publication number: 20220180811
    Abstract: A pixel includes: a capacitor connected between a first voltage line and a first node; a light emitting diode including a first electrode connected to a second node, and a second electrode connected to a second voltage line; a first transistor; a second transistor; a third transistor including a first electrode connected to the first node, a second electrode connected to the second node, and a gate electrode to receive a first scan signal; a fourth transistor including a first electrode connected to the first node, a second electrode connected to a third voltage line to receive a third voltage, and a gate electrode to receive a second scan signal; and a compensation transistor including a first electrode connected to the first node, a second electrode connected to a fourth voltage line to receive a compensation voltage, and a gate electrode to receive a compensation control voltage.
    Type: Application
    Filed: September 29, 2021
    Publication date: June 9, 2022
    Inventors: HANBIT KIM, MEEJAE KANG, KEUNWOO KIM, DOO-NA KIM, SANGSUB KIM, DO KYEONG LEE, JAEHWAN CHU