Patents by Inventor Hong Kyun Lee

Hong Kyun 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: 11991902
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: May 21, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
  • Publication number: 20240164147
    Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.
    Type: Application
    Filed: January 18, 2024
    Publication date: May 16, 2024
    Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
  • Publication number: 20240079355
    Abstract: Provided a semiconductor device comprises, a plurality of semiconductor patterns spaced in a first direction; a plurality of mold insulating layers between the plurality of semiconductor patterns, a plurality of silicide patterns contacting the plurality of semiconductor patterns; and a plurality of first metal conductive films between the plurality of mold insulating layers and connected to each of the silicide patterns, wherein each of the silicide patterns includes a first sidewall that faces the semiconductor pattern, and a second sidewall which faces the first metal conductive film, the first sidewall of the silicide pattern and the second sidewall of the silicide pattern extends in the first direction, and the first sidewall of the silicide pattern and the second sidewall of the silicide pattern are curved surfaces.
    Type: Application
    Filed: November 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-su LEE, Hong Sik CHAE, Youn Soo KIM, Tae Kyun KIM, Youn Joung CHO
  • Patent number: 11921273
    Abstract: Provided are a pulse compressor and a two-photon excited fluorescence microscope. The microscope includes a light source which generates a laser beam having a pulse, a pulse compressor which compresses the pulse of the laser beam, an objective lens which provides the laser beam to a specimen, and image sensors which receive the laser beam and obtain images of the specimen. The pulse compressor may include a grating plate, a corner cube provided on one side of the grating plate, and a retroreflector provided on the other side of the grating plate.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: March 5, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Kyun Lee, Dong Hoon Song, Hong-Seok Seo, Chul Huh
  • Publication number: 20220367282
    Abstract: A method for fabricating a semiconductor device includes forming a bit line contact hole in a substrate; forming a first spacer on a sidewall of the bit line contact hole; forming a sacrificial spacer over the first spacer; forming a first conductive material that fills the bit line contact hole over the sacrificial spacer; forming a second conductive material over the first conductive material; forming a bit line by etching the second conductive material; and forming a bit line contact plug and a gap between the bit line contact plug and the first spacer by partially etching the first conductive material and the sacrificial spacer to be aligned with the bit line.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Inventors: Jae Man YOON, Dae Ik KIM, Hong Kyun LEE
  • Patent number: 11437282
    Abstract: A method for fabricating a semiconductor device includes forming a bit line contact hole in a substrate; forming a first spacer on a sidewall of the bit line contact hole; forming a sacrificial spacer over the first spacer; forming a first conductive material that fills the bit line contact hole over the sacrificial spacer; forming a second conductive material over the first conductive material; forming a bit line by etching the second conductive material; and forming a bit line contact plug and a gap between the bit line contact plug and the first spacer by partially etching the first conductive material and the sacrificial spacer to be aligned with the bit line.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: September 6, 2022
    Assignee: SK hynix Inc.
    Inventors: Jae Man Yoon, Dae Ik Kim, Hong Kyun Lee
  • Publication number: 20220077002
    Abstract: A method for fabricating a semiconductor device includes forming a bit line contact hole in a substrate; forming a first spacer on a sidewall of the bit line contact hole; forming a sacrificial spacer over the first spacer; forming a first conductive material that fills the bit line contact hole over the sacrificial spacer; forming a second conductive material over the first conductive material; forming a bit line by etching the second conductive material; and forming a bit line contact plug and a gap between the bit line contact plug and the first spacer by partially etching the first conductive material and the sacrificial spacer to be aligned with the bit line.
    Type: Application
    Filed: January 20, 2021
    Publication date: March 10, 2022
    Inventors: Jae Man YOON, Dae Ik KIM, Hong Kyun LEE
  • Patent number: 7223412
    Abstract: The present invention relates to a method of producing recombinant modified Staphylococcal toxin having improved stability, comprising the steps of preparing a modified toxin in which a specific amino acid sequence is substituted and a vector for expressing the modified toxin, and culturing E. coli transformed with the vector, and a use thereof for the vaccine.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: May 29, 2007
    Assignee: LG Chem-Investment Ltd.
    Inventors: Hong-Kyun Lee, Yong-Ho Park, Kyu-Boem Han, Byoung-Sun Chang, Yong-Jun Lee
  • Patent number: 6987173
    Abstract: A process for the preparation of biologically active somatotropin from inclusion bodies of a recombinant host cell containing an inactive form of said somatotropin protein comprises the steps of: (a) contacting the inclusion bodies with an aqueous alcohol solution at an alkaline pH to solubilize said protein; and (b) bringing the solubilized protein into contact with a mild oxidizing agent to refold and form intramolecular disulfide bonds between cysteine residues of said protein.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: January 17, 2006
    Assignee: LG Chemical Limited
    Inventors: Yong-Jun Lee, Hong-Kyun Lee, Kyuboem Han
  • Publication number: 20030229210
    Abstract: A process for the preparation of biologically active somatotropin from inclusion bodies of a recombinant host cell containing an inactive form of said somatotropin protein comprises the steps of:
    Type: Application
    Filed: January 12, 2001
    Publication date: December 11, 2003
    Inventors: Yong-Jun Lee, Hong-Kyun Lee, Kyuboem Han
  • Patent number: 6185965
    Abstract: Disclosed is a locking device including a slider arranged in a housing in such a fashion that it is slidable between a locking position thereof and a lock releasing position thereof, the slider having a bolt adapted to selectively lock an article to which the locking device is applied, a rotating member mounted in the housing in such a fashion that it is rotatable between a locking position thereof and a lock releasing position thereof while being always urged toward an initial position defined between the locking position thereof and the lock releasing position thereof, a cylinder mounted in the housing in such a fashion that it is rotatable between a locking position thereof and a lock releasing position thereof, the cylinder having an engagement rod adapted to selectively move the slider between the locking and lock releasing positions thereof, a plurality of key plates hingably mounted in the housing, the key plates respectively having guide channels which are misaligned from one another at an initial pos
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: February 13, 2001
    Inventor: Hong Kyun Lee