Patents by Inventor Hyun-Joon Kang

Hyun-Joon Kang 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: 11984548
    Abstract: A display device includes a plurality of pixels including alignment electrodes and light emitting elements disposed between the alignment electrodes, and the alignment electrodes including outer alignment electrodes and center alignment electrodes disposed between the outer alignment electrodes. A distance between the center alignment electrodes is different from a distance between the center alignment electrodes and the outer alignment electrodes.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ho Lee, Buem Joon Kim, Jong Hyuk Kang, Hyun Deok Im, Eun A Cho
  • Patent number: 11964870
    Abstract: The present invention relates to a method for preparing carbon nanotubes, the method including: preparing a support including AlO(OH) by primary heat treatment of Al(OH)3; preparing an active carrier by supporting a mixture including a main catalyst precursor and a cocatalyst precursor on the support; drying the active carrier through multi-stage drying including vacuum drying; preparing a supported catalyst by secondary heat treatment of the dried active support; and preparing carbon nanotubes in the presence of the supported catalyst, and the carbon nanotubes prepared by the method as described above can remarkably improve conductivity.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 23, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Yeon Kang, Hyun Joon Kang, Ki Soo Lee
  • Patent number: 11925581
    Abstract: A capsulorhexis device is inserted into an incision site of a cornea to make an incision in an anterior capsule surrounding a crystalline lens. The capsulorhexis device includes a loop having elasticity and conductivity; a moving member having one end fixed and coupled to the loop; an insertion guide configured so that, while the incision is being made in the crystalline lens capsule, a front end thereof is inserted into the incision site of the cornea; and a housing having one end coupled to a rear end of the insertion guide, wherein the loop is housed in the housing and, to make the incision in the crystalline lens capsule, slides in the housing together with the moving member to pass through the insertion guide and be deployed into an anterior chamber of the eye.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 12, 2024
    Assignee: TI INC.
    Inventors: Hong Jai Lee, Sung Hyuk Moon, Jae Wook Yang, Seung Jai Lee, Sun Joon Hwang, Hyun Jeong Kang
  • Patent number: 11927890
    Abstract: A substrate processing apparatus includes a photoresist coater applying a photoresist film on a substrate, a humidifier increasing an amount of moisture in an ambient to which the photoresist film on the substrate is exposed, and an exposer irradiating the photoresist film exposed to the ambient having the increased amount of moisture with light. The humidifier is disposed between the photoresist coater and the exposer.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Heo, Cha Won Koh, Sang Joon Hong, Hyun Woo Kim, Kyung-Won Kang, Dong-Wook Kim, Kyung Won Seo, Young Il Jang, Yong Suk Choi
  • Patent number: 11922871
    Abstract: An emissive display device includes a display area which includes a plurality of pixels, and a driver disposed at a side of the display area, where the driver includes at least two emission signal stages disposed in one row, and an input signal line connected to the emission signal stages, and the at least two emission signal stages are connected to the same input signal line.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae Min Kim, Min Jae Jeong, Jang Mi Kang, Hyun Joon Kim, Jun Hyun Park, Cheol-Gon Lee
  • Publication number: 20230381753
    Abstract: The present invention relates to a supported catalyst for producing carbon nanotubes which includes a carrier having a number average particle size (DMN) of 1.5 ?m to 20 ?m, and an active ingredient supported in the carrier, wherein the active ingredient which prevents the aggregation between particles and supports the particles may act as an active ingredient, so that it is possible to provide a supported catalyst which has excellent activity, and thus, which may improve the production yield.
    Type: Application
    Filed: December 8, 2021
    Publication date: November 30, 2023
    Inventors: Sung Jin Kim, Se Hyun Kim, Hyun Woo Park, Jung Ho Choi, Hyun Joon Kang
  • Patent number: 11511994
    Abstract: The present invention relates to carbon nanotubes having a pore volume of 0.94 cm3/g or more, and being an entangled type, a method of manufacturing the same, and a positive electrode for a primary battery which comprises the same.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: November 29, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Yeon Kang, Hyun Joon Kang, Ki Soo Lee, Soon Ki Jeong
  • Patent number: 11453592
    Abstract: The present invention relates to a method for preparing a carbon nanotube dispersion, the method including mixing a dispersion solution including a dispersion solvent and a dispersant with carbon nanotubes to prepare carbon nanotube paste, extruding the paste to obtain solid carbon nanotubes, and introducing a second solvent to the solid carbon nanotubes, and homogenizing the carbon nanotubes, wherein the weight ratio of the dispersion solution and the carbon nanotubes is 1:1 to 9:1. According to the present invention, the mixing of a dispersant and carbon nanotubes is increased and the particle size is controlled by a wet method, so that a carbon nanotube dispersion having a viscosity controlled to a low level, excellent resistance properties, and a high concentration, may be provided.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: September 27, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Yeon Kang, Seung Yong Lee, Seok Won Kim, Hyun Joon Kang
  • Publication number: 20220259045
    Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Inventors: Sung Jin Kim, Jae Keun Yoon, Dong Hyun Cho, Hyun Joon Kang, Byung Yul Choi, Duk Ki Kim, Hyun Woo Park, Hyo Sang You
  • Patent number: 11352260
    Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: June 7, 2022
    Assignee: LG CHEM, LTD
    Inventors: Sung Jin Kim, Jae Keun Yoon, Dong Hyun Cho, Hyun Joon Kang, Byung Yul Choi, Duk Ki Kim, Hyun Woo Park, Hyo Sang You
  • Patent number: 11086388
    Abstract: A memory controller, an application processor, and a method of operating the memory controller can control performance and power consumption of an input/output device. The method includes allowing the memory device to enter a power down mode after an idle state is maintained for a first time period corresponding to a first setting value which is currently set, allowing the memory device to enter from the power down mode into an active state when access to the memory device occurs, determining a maintenance time of the power down mode to change the first setting value to a second setting value, based on a result obtained by monitoring a driving pattern of the memory device, and when the idle state is maintained for a second time period different from the first time period, allowing the memory device to enter the power down mode, based on the second setting value.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: August 10, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Joon Kang, Tae-Hun Kim
  • Publication number: 20210139331
    Abstract: The present invention relates to carbon nanotubes having a pore volume of 0.94 cm3/g or more, and being an entangled type, a method of manufacturing the same, and a positive electrode for a primary battery which comprises the same.
    Type: Application
    Filed: July 26, 2019
    Publication date: May 13, 2021
    Inventors: Kyung Yeon Kang, Hyun Joon Kang, Ki Soo Lee, Soon Ki Jeong
  • Patent number: 10846233
    Abstract: Provided are a memory controller and an application processor (AP) for controlling utilization and performance of an input/output (I/O) device and a method of operating the memory controller. The memory controller includes an address translator configured to translate a first address received from a host processor into a second address indicating a memory address based on an address translation scheme selected from a plurality of address translation schemes based on memory resource utilization; and an evaluation module configured to evaluate the memory resource utilization of each of the plurality of address translation schemes based on a plurality of memory addresses generated based on each of the plurality of address translation schemes.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: November 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-joon Kang, Tae-hun Kim
  • Publication number: 20200172401
    Abstract: The present invention relates to a method for preparing a carbon nanotube dispersion, the method including mixing a dispersion solution including a dispersion solvent and a dispersant with carbon nanotubes to prepare carbon nanotube paste, extruding the paste to obtain solid carbon nanotubes, and introducing a second solvent to the solid carbon nanotubes, and homogenizing the carbon nanotubes, wherein the weight ratio of the dispersion solution and the carbon nanotubes is 1:1 to 9:1. According to the present invention, the mixing of a dispersant and carbon nanotubes is increased and the particle size is controlled by a wet method, so that a carbon nanotube dispersion having a viscosity controlled to a low level, excellent resistance properties, and a high concentration, may be provided.
    Type: Application
    Filed: January 21, 2019
    Publication date: June 4, 2020
    Inventors: Kyung Yeon Kang, Seung Yong Lee, Seok Won Kim, Hyun Joon Kang
  • Publication number: 20190263662
    Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.
    Type: Application
    Filed: March 16, 2018
    Publication date: August 29, 2019
    Inventors: Sung Jin KIM, Jae Keun YOON, Dong Hyun CHO, Hyun Joon KANG
  • Publication number: 20190251038
    Abstract: Provided are a memory controller and an application processor (AP) for controlling utilization and performance of an input/output (I/O) device and a method of operating the memory controller. The memory controller includes an address translator configured to translate a first address received from a host processor into a second address indicating a memory address based on an address translation scheme selected from a plurality of address translation schemes based on memory resource utilization; and an evaluation module configured to evaluate the memory resource utilization of each of the plurality of address translation schemes based on a plurality of memory addresses generated based on each of the plurality of address translation schemes.
    Type: Application
    Filed: February 11, 2019
    Publication date: August 15, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun-joon KANG, Tae-hun KIM
  • Publication number: 20190050048
    Abstract: A memory controller, an application processor, and a method of operating the memory controller can control performance and power consumption of an input/output device. The method includes allowing the memory device to enter a power down mode after an idle state is maintained for a first time period corresponding to a first setting value which is currently set, allowing the memory device to enter from the power down mode into an active state when access to the memory device occurs, determining a maintenance time of the power down mode to change the first setting value to a second setting value, based on a result obtained by monitoring a driving pattern of the memory device, and when the idle state is maintained for a second time period different from the first time period, allowing the memory device to enter the power down mode, based on the second setting value.
    Type: Application
    Filed: April 19, 2018
    Publication date: February 14, 2019
    Inventors: HYUN-JOON KANG, TAE-HUN KIM
  • Patent number: 9672168
    Abstract: Provided is a method of driving a system-on-chip (SOC). The method includes adding a first transaction to a list, allocating the first transaction to a first slot, determining whether a second transaction is redundant, and adding the second transaction to the list and allocating the second transaction to the first slot when it is determined that the second transaction is redundant. Accordingly, the SOC can increase outstanding capability and enhance performance of a system interconnection.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Young Hur, Hyun-Joon Kang, Sung-Min Hong
  • Patent number: 9490030
    Abstract: A write leveling control method which includes registering data-related signal (DRS) reference delay values corresponding to types of memory modules in a leveling reference table; transmitting write leveling-related signals to a first type of memory module mounted on a target board; detecting timing skews between a clock signal and data-related signals received from memory devices on the mounted memory module; and adjusting a delay of a data-related signal transmitted to a memory device of the mounted memory module if a corresponding timing skew is outside of a first range, based on the DRS reference delay value corresponding to the mounted memory module.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: November 8, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-Joon Kang, Yongchun Kim, Sungkook Shin
  • Publication number: 20150206560
    Abstract: A write leveling control method which includes registering data-related signal (DRS) reference delay values corresponding to types of memory modules in a leveling reference table; transmitting write leveling-related signals to a first type of memory module mounted on a target board; detecting timing skews between a clock signal and data-related signals received from memory devices on the mounted memory module; and adjusting a delay of a data-related signal transmitted to a memory device of the mounted memory module if a corresponding timing skew is outside of a first range, based on the DRS reference delay value corresponding to the mounted memory module.
    Type: Application
    Filed: December 17, 2014
    Publication date: July 23, 2015
    Inventors: Hyun-Joon Kang, Yongchun Kim, Sungkook Shin