Patents by Inventor Sang Kwan Kim

Sang Kwan Kim 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: 20240135858
    Abstract: A display device includes pixels connected to scan lines and data lines, each pixel including a driving transistor and at least one light emitting element, and a timing controller configured to generate output data using external input data. The timing controller includes a first compensator configured generate first data by correcting the external input data using at least one of optical measurement information, a threshold voltage of each of the driving transistors, mobility information, dimming information, and temperature information, and an afterimage compensator configured to generate second data based on age information of each light emitting element and the first data, generate third data based on a current amount corresponding to the first data and a current amount corresponding to the second data, and generate the age information by accumulating the third data.
    Type: Application
    Filed: May 17, 2023
    Publication date: April 25, 2024
    Inventors: Joon Hyeok JEON, Byoung Kwan AN, Sang Myeon HAN, Chang Hun KIM, Seung Ho PARK, Seok Gyu BAN, Nam Jae LIM
  • Patent number: 11967862
    Abstract: In a driving system, first and second inverters are connected to a driving motor, one end of a stator winding through which 3-phase current flows is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter. A winding pattern of the driving motor includes: coils wound in slots defined in the stator and to which 3-phase current is applied; coils wound on innermost and outermost sides based on a direction toward a rotating shaft of the driving motor in the slots, and being energized by different AC phases; and coils disposed between a first coil located on the outermost side and a second coil located on the innermost side, and being energized by the same AC phases as those of the first and second coils.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: April 23, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Woong Chan Chae, Jung Shik Kim, Jong Hoon Lee, Byung Kwan Son, Sang Hoon Moon, Young Jin Shin
  • Publication number: 20240120616
    Abstract: A secondary battery includes an electrode assembly having a positive electrode provided with a positive electrode tab, a separator, and a negative electrode provided with a negative electrode tab, the positive electrode, the separator, and the negative electrode being wound, the electrode assembly having a core part at a center thereof; a can configured to receive the electrode assembly therein, the negative electrode tab being connected to the can; a cap assembly coupled to an opening of the can, the positive electrode tab being connected to the cap assembly; and a reinforcing member provided on an end of the separator exposed beyond the positive electrode or the negative electrode to prevent heat of the positive electrode tab or the negative electrode tab from being transferred to the separator.
    Type: Application
    Filed: April 19, 2022
    Publication date: April 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Soon Kwan KWON, Su Taek JUNG, Seok Hoon JANG, Hyeok JEONG, Sang Ho BAE, Byeong Kyu LEE, Seong Won CHOI, Min Wook KIM, Yong Jun LEE
  • Publication number: 20240081001
    Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.
    Type: Application
    Filed: May 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
  • Patent number: 10748905
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: August 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-jin Lee, Sang-kwan Kim, Ji-eun Lee, Sung-hak Cho, Seok-hyang Kim, So-yeon Shin
  • Publication number: 20180331111
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 15, 2018
    Inventors: Dong-jin Lee, Sang-kwan Kim, Ji-eun Lee, Sung-hak Cho, Seok-hyang Kim, So-yeon Shin
  • Patent number: 10050038
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: August 14, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-jin Lee, Sang-kwan Kim, Ji-eun Lee, Sung-hak Cho, Seok-hyang Kim, So-yeon Shin
  • Publication number: 20170365608
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate, and a source/drain region in the substrate. Moreover, the semiconductor device includes a gate structure in a recess in the substrate. The gate structure includes a liner that includes a first portion and a second portion on the first portion. The second portion is closer, than the first portion, to the source/drain region. The second portion includes a metal alloy. Methods of forming a semiconductor device are also provided.
    Type: Application
    Filed: October 21, 2016
    Publication date: December 21, 2017
    Inventors: Dong-jin Lee, Sang-kwan Kim, Ji-eun Lee, Sung-hak Cho, Seok-hyang Kim, So-yeon Shin
  • Patent number: 9495934
    Abstract: A liquid crystal display device and a method for driving the same are disclosed. The device includes a gamma voltage generation circuit for generating first to ith positive gamma reference voltages having different levels, and first to ith negative gamma reference voltages having different levels, and a plurality of data drive chips, each of the data drive chips converting digital data input thereto into a positive data voltage and a negative data voltage and supplying the positive data voltage and negative data voltage to a liquid crystal display panel, and adjusting a level of the positive data voltage based on a positive gamma reference voltage supplied thereto, among the first to ith positive gamma reference voltages, and adjusting a level of the negative data voltage based on a negative gamma reference voltage supplied thereto, among the first to ith negative gamma reference voltages.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: November 15, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Young Sang Baek, Yeon Ho Choi, Sun Woo Kwag, Man Gyu Park, Yong Duk Lee, Sang Kwan Kim
  • Publication number: 20160118331
    Abstract: A semiconductor device includes a substrate including a cell array region having a first active region and a peripheral circuit region having a second active region, an insulating layer pattern on the substrate and including a hole corresponding with the first active region, a DC conductive pattern in the hole, connected to the first active region, and buried in the substrate, a bit line connected to the DC conductive pattern and including a first bit line conductive pattern contacting the DC conductive pattern and covering a top surface of the insulating layer pattern, and a gate insulating layer and a gate electrode structure on the second active region, the gate electrode structure including a gate conductive pattern and a first gate electrode conductive pattern, the first gate electrode conductive pattern including a same material as the first bit line conductive pattern.
    Type: Application
    Filed: April 24, 2015
    Publication date: April 28, 2016
    Inventors: Young-kuk KIM, Chan-mi LEE, Sang-kwan KIM, Young-wook PARK
  • Publication number: 20080284773
    Abstract: A liquid crystal display device and a method for driving the same are disclosed. The device includes a gamma voltage generation circuit for generating first to ith positive gamma reference voltages having different levels, and first to ith negative gamma reference voltages having different levels, and a plurality of data drive chips, each of the data drive chips converting digital data input thereto into a positive data voltage and a negative data voltage and supplying the positive data voltage and negative data voltage to a liquid crystal display panel, and adjusting a level of the positive data voltage based on a positive gamma reference voltage supplied thereto, among the first to ith positive gamma reference voltages, and adjusting a level of the negative data voltage based on a negative gamma reference voltage supplied thereto, among the first to ith negative gamma reference voltages.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 20, 2008
    Inventors: Young Sang Baek, Yeon Ho Choi, Sun Woo Kwag, Man Gyu Park, Yong Duk Lee, Sang Kwan Kim