Patents by Inventor Jeong-Hye Choi

Jeong-Hye 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).

  • Publication number: 20220367851
    Abstract: The cathode active material for a lithium secondary battery according to embodiments of the present invention includes a lithium-transition metal composite oxide particle including a plurality of primary particles, and the lithium-transition metal composite oxide particle includes a lithium-sulfur-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
    Type: Application
    Filed: October 27, 2021
    Publication date: November 17, 2022
    Inventors: Sang Bok KIM, Sang Hye SHIN, Sang Min PARK, Tae Kyoung LEE, Myoung Lae KIM, Jeong Bae YOON, Jik Soo KIM, Ji Hoon CHOI
  • Patent number: 11374271
    Abstract: The present invention relates to an apparatus, system, and method for collecting gas generated in a secondary battery, specifically, to an apparatus, system, and method for collecting gas, which allow an operator to collect gas generated inside a secondary battery according to a desired section.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: June 28, 2022
    Inventors: Dongguk Hwang, Su Hyun Kim, Jeong Ae Ahn, Nak Hee Choi, Ji Hye Park
  • Patent number: 11312255
    Abstract: A method of controlling a low voltage DC-DC converter of a hybrid vehicle includes determining whether cold cranking of the hybrid vehicle occurs based on a size and a rate of change of a detection value obtained by detecting a voltage of the auxiliary battery, a first adjusting operation of setting an output voltage command of the low voltage DC-DC converter to substantially the same value as the detection value and adjusting an output voltage of the low voltage DC-DC converter when determining that cold cranking occurs in the determining, and a second adjusting operation of adjusting the output voltage command and adjusting an output voltage of the low voltage DC-DC converter based on whether the detection value is increased or reduced and a comparison result between the detection value and a size of the output voltage command.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: April 26, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Young Jin Jang, Jeong Hye Choi
  • Publication number: 20220115617
    Abstract: A light emitting diode according to embodiments of the present disclosure includes a first electrode, a second electrode opposite the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including a quantum dot, a first charge transfer layer between the first electrode and the emission layer, a second charge transfer layer between the second electrode and the emission layer, and an insulating layer in at least one position between the first charge transfer layer and the emission layer, and/or between the second charge transfer layer and the emission layer, wherein the insulating layer includes an inorganic material. The light emitting diode and a display device including the same show improved life characteristics and emission efficiency properties.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Choelmin Jang, Byunghyuk Kwon, Changhee Lee, Myungsoo Huh, Cheollae Roh, Jaehoon Kim, Jeong Hye Choi
  • Publication number: 20220048397
    Abstract: A charging control device of an electric vehicle and a method thereof may include requesting a charging required current from a charger in a state in which power line communication (PLC) with the charger is established, detecting a round trip time required to receive a response to the request, and adjusting a switching period of a multi-inverter based on the round trip time such that the PLC with the charger is prevented from being interrupted in a process of charging a battery of the electric vehicle.
    Type: Application
    Filed: June 14, 2021
    Publication date: February 17, 2022
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Do Hoon KIM, Young Sik KIM, Jeong Hye CHOI, Tae Hee JUNG
  • Patent number: 11239438
    Abstract: A light emitting diode according to embodiments of the present disclosure includes a first electrode, a second electrode opposite the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including a quantum dot, a first charge transfer layer between the first electrode and the emission layer, a second charge transfer layer between the second electrode and the emission layer, and an insulating layer in at least one position between the first charge transfer layer and the emission layer, and/or between the second charge transfer layer and the emission layer, wherein the insulating layer includes an inorganic material. The light emitting diode and a display device including the same show improved life characteristics and emission efficiency properties.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: February 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choelmin Jang, Byunghyuk Kwon, Changhee Lee, Myungsoo Huh, Cheollae Roh, Jaehoon Kim, Jeong Hye Choi
  • Publication number: 20210354576
    Abstract: A method of controlling a low voltage DC-DC converter of a hybrid vehicle includes determining whether cold cranking of the hybrid vehicle occurs based on a size and a rate of change of a detection value obtained by detecting a voltage of the auxiliary battery, a first adjusting operation of setting an output voltage command of the low voltage DC-DC converter to substantially the same value as the detection value and adjusting an output voltage of the low voltage DC-DC converter when determining that cold cranking occurs in the determining, and a second adjusting operation of adjusting the output voltage command and adjusting an output voltage of the low voltage DC-DC converter based on whether the detection value is increased or reduced and a comparison result between the detection value and a size of the output voltage command.
    Type: Application
    Filed: May 13, 2020
    Publication date: November 18, 2021
    Inventors: Young Jin Jang, Jeong Hye Choi
  • Patent number: 11148247
    Abstract: A substrate polishing system includes: a polishing machine and a substrate transporter. The polishing machine includes: a lower surface plate to which a substrate is mounted, and an upper surface plate which faces the lower surface plate and polishes the substrate in cooperation with the lower surface plate, the upper surface plate having a larger area than the substrate mounted on the lower surface plate. The substrate transporter is adjacent to the polishing machine and commonly transports the substrate to and from the polishing machine in a first direction, attaches the substrate to the lower surface plate before polishing thereof, and separates from the lower surface plate the substrate after polishing thereof.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Jin Cho, Joon-Hwa Bae, Byoung Kwon Choo, Byung Hoon Kang, Jun Hyuk Cheon, Jeong-Hye Choi, Young Ho Jeong, Woo Jin Cho
  • Patent number: 10998343
    Abstract: A thin-film transistor (TFT) array substrate is provided. The TFT array substrate includes a base substrate, a semiconductor layer disposed on the base substrate, an insulating layer disposed on the semiconductor layer, and a gate electrode disposed on the insulating layer. A top surface of a portion of the insulating layer overlapping the semiconductor layer in a plan view of the base substrate and a top surface of the gate electrode are placed on the same level.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Kwon Choo, Joon Hwa Bae, Hyun Jin Cho, Jun Hyuk Cheon, Zi Yeon Yoon, Woo Jin Cho, Sung Hwan Choi, Jeong Hye Choi
  • Publication number: 20200313108
    Abstract: A light emitting diode according to embodiments of the present disclosure includes a first electrode, a second electrode opposite the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including a quantum dot, a first charge transfer layer between the first electrode and the emission layer, a second charge transfer layer between the second electrode and the emission layer, and an insulating layer in at least one position between the first charge transfer layer and the emission layer, and/or between the second charge transfer layer and the emission layer, wherein the insulating layer includes an inorganic material. The light emitting diode and a display device including the same show improved life characteristics and emission efficiency properties.
    Type: Application
    Filed: December 13, 2019
    Publication date: October 1, 2020
    Inventors: Choelmin JANG, Byunghyuk KWON, Changhee LEE, Myungsoo HUH, Cheollae ROH, Jaehoon KIM, Jeong Hye CHOI
  • Patent number: 10550818
    Abstract: An apparatus for controlling a start sequence of an engine for a vehicle may include an engine, a motor configured to start the engine, a main switch configured to connect power to the motor or interrupt the power to be supplied to the motor, a main battery configured to supply the power to the motor through the main switch, a converter configured to step up a voltage of the motor by boosting reverse power through a reverse control operation, an auxiliary battery configured to supply the reverse power, and a converter controller configured to perform a pre-charging operation for a predetermined time through the reverse control operation when an ignition-ON signal is inputted, and close the main switch when the pre-charging operation is completed.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: February 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kwang-Seok Choi, Do-Sung Hwang, Jeong-Hye Choi, Ki-Hong Kang
  • Publication number: 20200035715
    Abstract: A thin-film transistor (TFT) array substrate is provided. The TFT array substrate includes a base substrate, a semiconductor layer disposed on the base substrate, an insulating layer disposed on the semiconductor layer, and a gate electrode disposed on the insulating layer. A top surface of a portion of the insulating layer overlapping the semiconductor layer in a plan view of the base substrate and a top surface of the gate electrode are placed on the same level.
    Type: Application
    Filed: October 3, 2019
    Publication date: January 30, 2020
    Inventors: BYOUNG KWON CHOO, Joon Hwa Bae, Hyun Jin Cho, Jun Hyuk Cheon, Zi Yeon Yoon, Woo Jin Cho, Sung Hwan Chol, Jeong Hye Choi
  • Patent number: 10475817
    Abstract: A thin-film transistor (TFT) array substrate is provided. The TFT array substrate includes a base substrate, a semiconductor layer disposed on the base substrate, an insulating layer disposed on the semiconductor layer, and a gate electrode disposed on the insulating layer. A top surface of a portion of the insulating layer overlapping the semiconductor layer in a plan view of the base substrate and a top surface of the gate electrode are placed on the same level.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byoung Kwon Choo, Joon Hwa Bae, Hyun Jin Cho, Jun Hyuk Cheon, Zi Yeon Yoon, Woo Jin Cho, Sung Hwan Choi, Jeong Hye Choi
  • Patent number: 10310709
    Abstract: An image display apparatus and a method of displaying an image are disclosed. The image display apparatus includes a display configured to display a plurality of items and display an item selected from among the plurality of items with a highlight, a detector configured to detect a user input for moving the highlight, and a controller configured to determine candidate items to which the highlight is to be moved in response to the user input, select one of the candidate items based on information about a moving path of the highlight, and move the highlight to a selected candidate item.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-hyuk Kwon, Jeong-hye Choi
  • Patent number: 10230916
    Abstract: A remote control apparatus is provided, which includes a communicator configured to perform communication with a display apparatus, a first input including a plurality of direction keys, a second input disposed on an edge of the first input and including a plurality of keys corresponding to the plurality of direction keys, and a processor configured to transmit to the display apparatus a first control command to perform a function corresponding to a first direction and a first unit in response to selection of a first direction key among the plurality of direction keys of the first input, and transmit to the display apparatus a second control command to perform a function corresponding to the first direction and a second unit greater than the first unit in response to selection of a key corresponding to the first direction key among the plurality of keys of the second input.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-min Hyun, Sung-hyuk Kwon, Jin-woo Ro, Won-jun Lee, Bum-ho Chun, So-young Jung, Jeong-hye Choi
  • Publication number: 20180358386
    Abstract: A thin-film transistor (TFT) array substrate is provided. The TFT array substrate includes a base substrate, a semiconductor layer disposed on the base substrate, an insulating layer disposed on the semiconductor layer, and a gate electrode disposed on the insulating layer. A top surface of a portion of the insulating layer overlapping the semiconductor layer in a plan view of the base substrate and a top surface of the gate electrode are placed on the same level.
    Type: Application
    Filed: May 4, 2018
    Publication date: December 13, 2018
    Inventors: BYOUNG KWON CHOO, Joon Hwa BAE, Hyun Jin CHO, Jun Hyuk CHEON, Zi Yeon YOON, Woo Jin CHO, Sung Hwan CHOI, Jeong Hye CHOI
  • Publication number: 20180298862
    Abstract: An apparatus for controlling a start sequence of an engine for a vehicle may include an engine, a motor configured to start the engine, a main switch configured to connect power to the motor or interrupt the power to be supplied to the motor, a main battery configured to supply the power to the motor through the main switch, a converter configured to step up a voltage of the motor by boosting reverse power through a reverse control operation, an auxiliary battery configured to supply the reverse power, and a converter controller configured to perform a pre-charging operation for a predetermined time through the reverse control operation when an ignition-ON signal is inputted, and close the main switch when the pre-charging operation is completed.
    Type: Application
    Filed: December 12, 2017
    Publication date: October 18, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Kwang-Seok Choi, Do-Sung Hwang, Jeong-Hye Choi, Ki-Hong Kang
  • Publication number: 20180043501
    Abstract: A substrate polishing system includes: a polishing machine and a substrate transporter. The polishing machine includes: a lower surface plate to which a substrate is mounted, and an upper surface plate which faces the lower surface plate and polishes the substrate in cooperation with the lower surface plate, the upper surface plate having a larger area than the substrate mounted on the lower surface plate. The substrate transporter is adjacent to the polishing machine and commonly transports the substrate to and from the polishing machine in a first direction, attaches the substrate to the lower surface plate before polishing thereof, and separates from the lower surface plate the substrate after polishing thereof.
    Type: Application
    Filed: July 31, 2017
    Publication date: February 15, 2018
    Inventors: Hyun Jin CHO, Joon-Hwa BAE, Byoung Kwon CHOO, Byung Hoon KANG, Jun Hyuk CHEON, Jeong-Hye CHOI, Young Ho JEONG, Woo Jin CHO
  • Publication number: 20170185246
    Abstract: Provided are an image display apparatus and a method of displaying an image. The image display apparatus may include a display that displays a plurality of items and displays an item selected from among the plurality of items with a highlight, a detector that detects a user input for moving the highlight, and a controller that, in response to the user input, determines candidate items to which the highlight is to be moved, selects one of the candidate items based on distances between a reference coordinate and the candidate items, and moves the highlight to the selected item.
    Type: Application
    Filed: September 27, 2016
    Publication date: June 29, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-hyuk KWON, Jeong-hye CHOI
  • Publication number: 20170185245
    Abstract: An image display apparatus and a method of displaying an image are disclosed. The image display apparatus includes a display configured to display a plurality of items and display an item selected from among the plurality of items with a highlight, a detector configured to detect a user input for moving the highlight, and a controller configured to determine candidate items to which the highlight is to be moved in response to the user input, select one of the candidate items based on information about a moving path of the highlight, and move the highlight to a selected candidate item.
    Type: Application
    Filed: September 22, 2016
    Publication date: June 29, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-hyuk KWON, Jeong-hye CHOI