Patents by Inventor Hong-jun Choi

Hong-jun 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: 12133425
    Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: October 29, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eung Taek Kim, Kohei Ebisuno, Suk Hoon Ku, Jin Suk Lee, Jung Mi Choi, Young In Hwang, Tae Sik Kim, Jin Suk Seo, Hwang Sup Shin, Taek Geun Lee, Joo Hyeon Jo, Hong Jun Choi, Hee Yeon Kim, Na Lae Lee
  • Patent number: 11978602
    Abstract: A switch apparatus, includes: a base module including a base case, and a moving magnet movably mounted in the base case; and a manipulation module including a manipulation case, and a first magnet fixedly mounted in the manipulation case, wherein the moving magnet moves between a hold position and a releasable position, the hold position refers to a position in which the manipulation module is held onto the base module as an attractive force acts between the moving magnet and the first magnet, and the releasable position refers to a position in which the manipulation module is releasable from the base module as a repulsive force acts between the moving magnet and the first magnet.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: May 7, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, NOVATECH CO., LTD, ALPS ELECTRIC KOREA CO., LTD.
    Inventors: Sang Hoon Shin, Hoo Sang Lee, Jong Hyun Choi, Dae Woo Park, Youn Tak Kim, Nam I Jo, Choon Teak Oh, Hong Jun Choi, Kon Hee Chang, Woo Joo Ahn
  • Publication number: 20230114041
    Abstract: A switch apparatus, includes: a base module including a base case, and a moving magnet movably mounted in the base case; and a manipulation module including a manipulation case, and a first magnet fixedly mounted in the manipulation case, wherein the moving magnet moves between a hold position and a releasable position, the hold position refers to a position in which the manipulation module is held onto the base module as an attractive force acts between the moving magnet and the first magnet, and the releasable position refers to a position in which the manipulation module is releasable from the base module as a repulsive force acts between the moving magnet and the first magnet.
    Type: Application
    Filed: June 21, 2022
    Publication date: April 13, 2023
    Applicants: Hyundai Motor Company, Kia Corporation, NOVATECH Co., Ltd., ALPS ELECTRIC KOREA CO., LTD.
    Inventors: Sang Hoon Shin, Hoo Sang Lee, Jong Hyun Choi, Dae Woo Park, Youn Tak Kim, Nam I Jo, Choon Teak Oh, Hong Jun Choi, Kon Hee Chang, Woo Joo Ahn
  • Patent number: 11574592
    Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: February 7, 2023
    Inventors: Eung Taek Kim, Hee Yeon Kim, Hwang Sup Shin, Na Lae Lee, Jin Suk Lee, Taek Geun Lee, Joo Hyeon Jo, Jung Mi Choi, Hong Jun Choi, Young In Hwang
  • Publication number: 20220340729
    Abstract: A coating agent composition for polyurethane foam is provided. The coating agent may not only exhibit adhesive properties suitable for an automated process for producing a battery pack, but also has a uniform surface and has excellent durability and reliability in a severe environment. Polyurethane foam using the coating agent composition is also provided. Specifically, coating agent composition for polyurethane foam includes a (meth)acrylate-based monomer, an urethane acrylate, a photoinitiator, and inorganic fine particles, wherein a content of the inorganic fine particles is 100 parts by weight to 500 parts by weight based on 100 parts by weight of the photoinitiator.
    Type: Application
    Filed: November 20, 2020
    Publication date: October 27, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Hong Jun Choi, In Suk Yang, Kyung Jun Yoon
  • Publication number: 20220140033
    Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.
    Type: Application
    Filed: August 10, 2021
    Publication date: May 5, 2022
    Inventors: Eung Taek KIM, Kohei EBISUNO, Suk Hoon KU, Jin Suk LEE, Jung Mi CHOI, Young In HWANG, Tae Sik KIM, Jin Suk SEO, Hwang Sup SHIN, Taek Geun LEE, Joo Hyeon JO, Hong Jun CHOI, Hee Yeon KIM, Na Lae LEE
  • Publication number: 20220059031
    Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 24, 2022
    Inventors: Eung Taek KIM, Hee Yeon KIM, Hwang Sup SHIN, Na Lae LEE, Jin Suk LEE, Taek Geun LEE, Joo Hyeon JO, Jung Mi CHOI, Hong Jun CHOI, Young In HWANG
  • Patent number: 11194426
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g, a compression rate of the polymer foam adhesive tape is increased in proportion to a linear function according to an increase in pressure when pressure, which is equal to or more than the minimum compression load, is applied, and a thickness recovery rate of the polymer foam adhesive tape after pressure is removed is increased in proportion to a linear function as time passes.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 7, 2021
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Patent number: 10908748
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam layer has a density of 0.3 g/cm3 or less, and a thickness ratio of the substrate film to the polymer foam layer is 1:3 to 1:10.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: February 2, 2021
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Patent number: 10858548
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam layer has a density of 0.3 g/cm3 or less, and a thickness ratio of the substrate film to the polymer foam layer is 1:3 to 1:10.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 8, 2020
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Patent number: 10831328
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a dielectric constant of 2.5 to 4.5 at a frequency of 105 Hz.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: November 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Publication number: 20190284441
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam layer has a density of 0.3 g/cm3 or less, and a thickness ratio of the substrate film to the polymer foam layer is 1:3 to 1:10.
    Type: Application
    Filed: October 27, 2017
    Publication date: September 19, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Publication number: 20190255805
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g, a compression rate of the polymer foam adhesive tape is increased in proportion to a linear function according to an increase in pressure when pressure, which is equal to or more than the minimum compression load, is applied, and a thickness recovery rate of the polymer foam adhesive tape after pressure is removed is increased in proportion to a linear function as time passes.
    Type: Application
    Filed: October 27, 2017
    Publication date: August 22, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Publication number: 20190258342
    Abstract: A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a dielectric constant of 2.5 to 4.5 at a frequency of 105 Hz.
    Type: Application
    Filed: October 27, 2017
    Publication date: August 22, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Woo Joo Han, Min Kyeong Pyo, Hong Jun Choi, Jang Soon Kim, Kyung Jun Yoon
  • Patent number: 10302833
    Abstract: The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: May 28, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hyun Nam, Kyung Ki Hong, Eung Jin Jang, Yeong Rae Chang, Heon Kim, Kyun Il Rah, Jong Hyun Jung, Byung Sun Lee, Hong Jun Choi, Moon Soo Park, Sun Kug Kim
  • Publication number: 20180017724
    Abstract: The present application relates to a polarizer, a polarizing plate and a display device. The present application can provide a polarizer or a polarizing plate that is applied to various types of display devices, particularly to a display device having a highly reflective liquid crystal panel and that shows excellent characteristics. In addition, the present application can provide a display device including the polarizer or the polarizing plate.
    Type: Application
    Filed: February 1, 2016
    Publication date: January 18, 2018
    Inventors: Sung Hyun NAM, Kyung Ki HONG, Eung Jin JANG, Yeong Rae CHANG, Heon KIM, Kyun ll RAH, Jong Hyun JUNG, Byung Sun LEE, Hong Jun CHOI, Moon Soo PARK, Sun Kug KIM
  • Patent number: 9516228
    Abstract: A photographing apparatus, a motion estimating apparatus, an image compensating method, a motion estimating method, and a non-transitory computer-readable recording medium are provided. The photographing apparatus includes: an image sensing unit which continuously captures a plurality of images by using a rolling shutter method; and an image processor which compensates for a uniformly accelerated motion of the photographing apparatus by using the plurality of images.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: December 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-gu Lee, Hong-jun Choi, Chang-woo Lee, Jae-Ho Kim
  • Publication number: 20160014337
    Abstract: A photographing apparatus, a motion estimating apparatus, an image compensating method, a motion estimating method, and a non-transitory computer-readable recording medium are provided. The photographing apparatus includes: an image sensing unit which continuously captures a plurality of images by using a rolling shutter method; and an image processor which compensates for a uniformly accelerated motion of the photographing apparatus by using the plurality of images.
    Type: Application
    Filed: August 19, 2015
    Publication date: January 14, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-gu LEE, Hong-jun CHOI, Chang-woo LEE, Jae-Ho KIM
  • Patent number: 9143686
    Abstract: A photographing apparatus, a motion estimating apparatus, an image compensating method, a motion estimating method, and a non-transitory computer-readable recording medium are provided. The photographing apparatus includes: an image sensing unit which continuously captures a plurality of images by using a rolling shutter method; and an image processor which compensates for a uniformly accelerated motion of the photographing apparatus by using the plurality of images.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-gu Lee, Hong-jun Choi, Chang-woo Lee, Jae-ho Kim
  • Patent number: 8797424
    Abstract: An image processing apparatus including a memory, a data bus provided to access the memory, an image conversion unit which receives an image signal and converts the image signal into a frame comprising a plurality of lines, and an image compression/decompression unit which divides the frame into a plurality of line groups, compresses each of the plurality of line groups to generate compressed data, and stores the compressed data in the memory via the data bus, where at least one line in at least one line group is omitted from the compression.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: August 5, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Do Oh, Jae Young Lee, Jung Hyun Lim, Hong Jun Choi