Patents by Inventor Won-hee Choi

Won-hee 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: 11975091
    Abstract: A composition for enhancing protein strength according to the present invention contains an aminosilane compound capable of covalent binding with a protein of hair, scalp, skin, nails, leather, or textile, so that the protein and the amino silane compound form a covalent bond, and thus the composition can improve the protein strength enhancement effect and maximize the semi-permanent protein strength enhancement effect.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: May 7, 2024
    Assignee: LG Household & Health Care Ltd.
    Inventors: Seong Kil Son, Won Kyung Choi, Dong Wan Kim, Ji Hee Yoo, Jeong Rae Lee, Sang Min Lee
  • Publication number: 20240136538
    Abstract: Disclosed is an ionomer for a high-temperature polymer electrolyte membrane fuel cell, which includes a phosphorus (P)-containing functional group having proton conductivity and partially contains fluorine in the main chain thereof.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 25, 2024
    Inventors: Won Jae Choi, Songi Oh, Da Hee Kwak, Ji Hoon Jang, Sung Hee Shin, Jae Suk Lee, Hye Min Oh, In Gyu Bak
  • Publication number: 20240105963
    Abstract: A method for manufacturing a gas diffusion layer for a fuel cell wherein carbon nanotubes are impregnated into Korean paper, thereby enhancing electroconductivity, and a gas diffusion layer manufactured thereby. The method for manufacturing a gas diffusion layer for a fuel cell which is to manufacture a gas diffusion layer as a constituent member of a unit cell in a fuel cell, includes a support preparation step of preparing a support with Korean paper; a dispersion preparation step of dispersing a carbon substance in a solvent to form a dispersion, a coating step of coating the support with the dispersion, and a thermal treatment step of thermally treating the dispersion-coated support to fix the carbon substance to the support.
    Type: Application
    Filed: March 6, 2023
    Publication date: March 28, 2024
    Inventors: Seung Tak Noh, Ji Han Lee, In Seok Lee, Jae Man Park, Won Jong Choi, Choong Hee Kim, Seong Hwang Kim, Jong Hoon Lee, Soo Jin Park, Seul Yi Lee
  • Publication number: 20240084025
    Abstract: Provided is a method for purifying an anti-4-1BB/anti-HER2 bispecific antibody, the method of which includes carrying out affinity chromatography with a sodium acetate buffer containing a certain inorganic salt as an elution buffer. The purification method of the presently claimed subject matter increases the elution of an antibody in the intact form, thereby being able to provide an anti-4-1BB/anti-HER2 bispecific antibody in the intact form in high purity and high yield.
    Type: Application
    Filed: January 21, 2022
    Publication date: March 14, 2024
    Applicant: YUHAN CORPORATION
    Inventors: Ju-Young PARK, Sung-Hyun CHOI, Yun-Hee CHOI, Won-Tae KIM
  • Publication number: 20230116342
    Abstract: A semiconductor device is provided. A semiconductor device includes: a first active pattern spaced apart from a substrate and extending in a first direction; a second active pattern spaced apart further from the substrate than the first active pattern and extending in the first direction; a gate structure on the substrate, the gate structure extending in a second direction crossing the first direction and penetrating the first active pattern and the second active pattern; a first source/drain region on at least one side surface of the gate structure and connected to the first active pattern; a second source/drain region on at least one side surface of the gate structure and connected to the second active pattern; and a buffer layer between the substrate and the first active pattern, the buffer layer containing germanium.
    Type: Application
    Filed: June 1, 2022
    Publication date: April 13, 2023
    Inventors: Won Hee Choi, Sung Uk Jang, Dong Suk Shin, Bong Jin Kuh, Kong Soo Lee
  • Patent number: 10374124
    Abstract: A light emitting device, according to one embodiment, may comprise: a substrate having a pattern part disposed on the upper surface thereof; a first buffer layer disposed on the substrate; a second buffer later disposed on the first buffer layer; a first conductive semiconductor layer disposed on the second buffer layer; an active layer disposed on the first conductive semiconductor layer; a second conductive semiconductor layer disposed on the active layer; and a void layer disposed on the first buffer layer corresponding to the pattern part of the substrate. By further forming a void on the buffer layer, the embodiment has the effect of more effectively preventing defects caused by a potential difference.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: August 6, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Hun Jang, Seung Keun Nam, Jeong Soon Yim, Won Hee Choi
  • Patent number: 10290981
    Abstract: The present disclosure relates to a power outlet device that senses whether a plug is inserted into a terminal and controls determining supply or interruption of power to a 5 socket according to the sensed result. The power outlet device includes: a housing having a plug insertion hole inserted with an external plug; a substrate provided in the housing; a terminal provided on the substrate to be deployed to face the plug insertion hole; and a switching 10 unit controlling whether to supply power to the terminal by sensing that the plug is inserted into the terminal, wherein the terminal is electrically connected to the switching unit.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: May 14, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, OMRON AUTOMOTIVE ELECTRONIC KOREA CO., LTD.
    Inventors: Seong Hwan Cho, Won Hee Choi
  • Patent number: 10263145
    Abstract: A light emitting device, according to one embodiment, may comprise: a substrate; a first conductive semiconductor layer disposed on the substrate; an active layer disposed on the first conductive semiconductor layer and generating an ultraviolet light; a second conductive semiconductor layer disposed on the active layer; and a hole injection layer disposed between the active layer and the second conductive semiconductor layer and comprising a first layer comprising AlxGa1-xN (0<x?1) and a second layer comprising GaN. The embodiment has the hole injection layer to be multi-layered, thereby having the effect of effectively preventing the absorption of ultraviolet light.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 16, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Hun Jang, Seung Keun Nam, Jeong Soon Yim, Won Hee Choi
  • Publication number: 20180145213
    Abstract: A light emitting device, according to one embodiment, may comprise: a substrate having a pattern part disposed on the upper surface thereof; a first buffer layer disposed on the substrate; a second buffer later disposed on the first buffer layer; a first conductive semiconductor layer disposed on the second buffer layer; an active layer disposed on the first conductive semiconductor layer; a second conductive semiconductor layer disposed on the active layer; and a void layer disposed on the first buffer layer corresponding to the pattern part of the substrate. By further forming a void on the buffer layer, the embodiment has the effect of more effectively preventing defects caused by a potential difference.
    Type: Application
    Filed: May 27, 2016
    Publication date: May 24, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Hun JANG, Seung Keun NAM, Jeong Soon YIM, Won Hee CHOI
  • Publication number: 20180138363
    Abstract: A light emitting device, according to one embodiment, may comprise: a substrate; a first conductive semiconductor layer disposed on the substrate; an active layer disposed on the first conductive semiconductor layer and generating an ultraviolet light; a second conductive semiconductor layer disposed on the active layer; and a hole injection layer disposed between the active layer and the second conductive semiconductor layer and comprising a first layer comprising AlxGa1-xN (0<x?1) and a second layer comprising GaN. The embodiment has the hole injection layer to be multi-layered, thereby having the effect of effectively preventing the absorption of ultraviolet light.
    Type: Application
    Filed: May 27, 2016
    Publication date: May 17, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jung Hun JANG, Seung Keun NAM, Jeong Soon YIM, Won Hee CHOI
  • Publication number: 20160137083
    Abstract: The present disclosure relates to a power outlet device that senses whether a plug is inserted into a terminal and controls determining supply or interruption of power to a socket according to the sensed result. The power outlet device includes: a housing having a plug insertion hole inserted with an external plug; a substrate provided in the housing; a terminal provided on the substrate to be deployed to face the plug insertion hole; and a switching unit controlling whether to supply power to the terminal by sensing that the plug is inserted into the terminal, wherein the terminal is electrically connected to the switching unit.
    Type: Application
    Filed: July 2, 2015
    Publication date: May 19, 2016
    Inventors: Seong Hwan CHO, Won Hee CHOI
  • Patent number: 9170088
    Abstract: An apparatus and method for optical coherence tomography are provided. The apparatus includes a light source configured to generate a plurality of beams, a light coupler configured to split the plurality of beams into measurement beams and reference beams, transmit the measurement beams to a target object via a probe, and receive response beams from the probe, a detector configured to detect interference signals based on interference between the response beams and the reference beams, and an image processor configured to generate a first image of the target object based on any one of the interference signals and generate a second image of the target object having image characteristics different from those of the first image based on an other one of the interference signals.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: October 27, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-guyn Lim, Min-seog Choi, Won-hee Choi, Seong-deok Lee
  • Publication number: 20120262722
    Abstract: An apparatus and method for optical coherence tomography are provided. The apparatus includes a light source configured to generate a plurality of beams, a light coupler configured to split the plurality of beams into measurement beams and reference beams, transmit the measurement beams to a target object via a probe, and receive response beams from the probe, a detector configured to detect interference signals based on interference between the response beams and the reference beams, and an image processor configured to generate a first image of the target object based on any one of the interference signals and generate a second image of the target object having image characteristics different from those of the first image based on an other one of the interference signals.
    Type: Application
    Filed: November 15, 2011
    Publication date: October 18, 2012
    Inventors: Jae-guyn Lim, Min-seong Choi, Won-hee Choi, Seong-deok Lee
  • Patent number: 8018143
    Abstract: A method of manufacturing an organic electroluminescent display device includes forming a first electrode on a first substrate including a plurality of pixel regions; forming a patterned spacer on the first electrode in the pixel region; forming an organic light emitting layer on the first electrode in the pixel region and on the patterned spacer; forming a second electrode on the organic light emitting layer; forming a calcium oxide layer on the second electrode; forming a moisture-absorbing layer on the calcium oxide layer; forming a driving thin film transistor on a second substrate; and forming a connection electrode connected to the driving thin film transistor, the connection electrode contacting the second electrode on the patterned spacer.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: September 13, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Byoung-June Lee, Jung-Han Park, Hyun-Taek Lim, Won-Hee Choi, Hye-Young Choi
  • Publication number: 20100001633
    Abstract: A method of manufacturing an organic electroluminescent display device includes forming a first electrode on a first substrate including a plurality of pixel regions; forming a patterned spacer on the first electrode in the pixel region; forming an organic light emitting layer on the first electrode in the pixel region and on the patterned spacer; forming a second electrode on the organic light emitting layer; forming a calcium oxide layer on the second electrode; forming a moisture-absorbing layer on the calcium oxide layer; forming a driving thin film transistor on a second substrate; and forming a connection electrode connected to the driving thin film transistor, the connection electrode contacting the second electrode on the patterned spacer.
    Type: Application
    Filed: December 11, 2008
    Publication date: January 7, 2010
    Inventors: Byoung-June Lee, Jung-Han Park, Hyun-Taek Lim, Won-Hee Choi, Hye-Young Choi
  • Patent number: 7606412
    Abstract: A method and apparatus for generating user preference data regarding the color characteristic of an image is provided where a preference image comprises an image converted to have a color characteristic that a user prefers with respect to a predetermined reference image, a preference value comprises a color characteristic value of the preference image, and a reference value comprises a color characteristic value of the reference image. The method for generating user preference data comprises (a) obtaining an image color characteristic value of a preference image and a reference image, (b) generating {preference value, reference value} which corresponds to a pair of the preference value and the reference value, and (c) generating the pair {preference value, reference value} as preference meta-data having at least one feature block.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: October 20, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-sik Huh, Du-sik Park, Seong-deok Lee, Ki-won Yoo, Won-hee Choi, Sang-kyun Kim
  • Publication number: 20080219548
    Abstract: A method and apparatus for generating user preference data regarding the color characteristic of an image and a method and apparatus for converting image color preference using the method and apparatus is provided. The method for generating user preference data comprises (a) obtaining an image color characteristic value of a preference image and a reference image, (b) generating {preference value, reference value} which corresponds to a pair of the preference value and the reference value, and (c) generating the pair {preference value, reference value} as preference meta-data having at least one feature block.
    Type: Application
    Filed: August 22, 2007
    Publication date: September 11, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-sik Huh, Du-sik Park, Seong-deok Lee, Ki-won Yoo, Won-hee Choi, Sang-kyun Kim
  • Publication number: 20070296881
    Abstract: An array substrate for an LCD device comprises a substrate having a display region and a non-display region at periphery of the display region; a gate line along a first direction on the substrate; first and second data lines along a second direction on the substrate; a ground line along the first direction in the non-display region and dividing the non-display region into first and second regions; a first electrostatic discharge protection circuit in the first region and connected to the first data line; and a second electrostatic discharge protection circuit in the second region and connected to the second data line.
    Type: Application
    Filed: December 15, 2006
    Publication date: December 27, 2007
    Inventors: Hee-Dong Choi, Won-Hee Choi, Jung-Soo Heo
  • Publication number: 20040165769
    Abstract: A method and apparatus for generating user preference data regarding the color characteristic of an image and a method and apparatus for converting image color preference using the method and apparatus is provided. The method for generating user preference data comprises (a) obtaining an image color characteristic value of a preference image and a reference image, (b) generating {preference value, reference value} which corresponds to a pair of the preference value and the reference value, and (c) generating the pair {preference value, reference value} as preference meta-data having at least one feature block.
    Type: Application
    Filed: December 12, 2003
    Publication date: August 26, 2004
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-Sik Huh, Du-Sik Park, Seong-deok Lee, Ki-won Yoo, Won-hee Choi, Sang-kyun Kim