Patents by Inventor Kyung-hee Choi

Kyung-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: 11975076
    Abstract: The present invention relates to antibody-drug conjugates (ADCs) wherein a plurality of active agents are conjugated to an antibody through at least one branched linker. The branched linker may comprise a branching unit, and two active agents are coupled to the branching unit through a secondary linker and the branching unit is coupled to the antibody by a primary linker. The active agents may be the same or different. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g., 2-4 branched linkers, which may each be coupled to a different C-terminal cysteine of a heavy or light chain of the antibody. The branched linker may comprise one active agent coupled to the branching unit by a first branch and a second branch that comprises a polyethylene glycol moiety coupled to the branching unit. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: May 7, 2024
    Assignee: LegoChem Biosciences, Inc.
    Inventors: Yong Zu Kim, Yeong Soo Oh, Jeiwook Chae, Ho Young Song, Chul-Woong Chung, Yun Hee Park, Hyo Jung Choi, Kyung Eun Park, Hyoungrae Kim, Jinyeong Kim, Ji Young Min, Sung Min Kim, Byung Soo Lee, Dong Hyun Woo, Ji Eun Jung, Su In Lee
  • Publication number: 20240145474
    Abstract: A semiconductor device includes a substrate, a first active pattern disposed on the substrate, a second active pattern stacked on the first active pattern, a first gate structure extending to intersect the first active pattern and the second active pattern, a second gate structure spaced apart from the first gate structure and extending to intersect the first active pattern and the second active pattern, a first epitaxial pattern interposed between the first gate structure and the second gate structure, and connected to the first active pattern, a second epitaxial pattern interposed between the first gate structure and the second gate structure, and connected to the second active pattern, an insulating pattern interposed between the first epitaxial pattern and the second epitaxial pattern, and a semiconductor film interposed between the insulating pattern and the second epitaxial pattern, the semiconductor film extending along a top surface of the insulating pattern.
    Type: Application
    Filed: May 9, 2023
    Publication date: May 2, 2024
    Inventors: Kyung ho KIM, Myung Il KANG, Sung Uk JANG, Kyung Hee CHO, Do Young CHOI
  • Publication number: 20240120214
    Abstract: An apparatus for fabricating a display panel, the apparatus including: a loading module configured to accommodate a large-area fabricating substrate, the loading module being configured to adjust an inclination of the large-area fabricating substrate from a rear surface of the large-area fabricating substrate and to press the large-area fabricating substrate; and an element transfer module configured to transfer a plurality of light emitting elements or an integrated circuit onto the large-area fabricating substrate and configured to bond and press a wafer on which the plurality of light emitting elements or the at least one integrated circuit is located onto the large-area fabricating substrate.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 11, 2024
    Inventors: Tae Hee LEE, Kyung Ho KIM, Young Seok SEO, Joo Woan CHO, Byeong Hwa CHOI
  • Patent number: 11932618
    Abstract: Disclosed are novel compounds of Chemical Formula 1, optical isomers of the compounds, and pharmaceutically acceptable salts of the compounds or the optical isomers. The compounds, isomers, and salts exhibit excellent activity as GLP-1 receptor agonists. In particular, they, as GLP-1 receptor agonists, exhibit excellent glucose tolerance, thus having a great potential to be used as therapeutic agents for metabolic diseases. Moreover, they exhibit excellent pharmacological safety for cardiovascular systems.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: March 19, 2024
    Assignee: ILDONG PHARMACEUTICAL CO., LTD.
    Inventors: Hong Chul Yoon, Kyung Mi An, Myong Jae Lee, Jin Hee Lee, Jeong-geun Kim, A-rang Im, Woo Jin Jeon, Jin Ah Jeong, Jaeho Heo, Changhee Hong, Kyeojin Kim, Jung-Eun Park, Te-ik Sohn, Changmok Oh, Da Hae Hong, Sung Wook Kwon, Jung Ho Kim, Jae Eui Shin, Yeongran Yoo, Min Whan Chang, Eun Hye Jang, In-gyu Je, Ji Hye Choi, Gunhee Kim, Yearin Jun
  • Publication number: 20240074258
    Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.
    Type: Application
    Filed: May 5, 2023
    Publication date: February 29, 2024
    Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
  • Patent number: 8512598
    Abstract: The present invention relates to a liquid crystal compound for liquid crystal display. More particularly, the present invention provides a vinylcyclohexylbenzene, its derivatives and the preparation method thereof where the present invention produces only trans-isomer by using Heck coupling reaction instead of Wittig reaction in the introduction to ethenyl group in the central backbone in the preparation process of intermediate. The liquid crystal compound can make the liquid crystal composition have a wide mesophase range and low viscosity.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: August 20, 2013
    Assignee: Dongjin Semichem Co., Ltd.
    Inventors: Kyung-Hee Choi, Sun-Hee Lee, Jin-Wook Choi
  • Publication number: 20110237849
    Abstract: The present invention relates to a liquid crystal compound for liquid crystal display. More particularly, the present invention provides a vinylcyclohexylbenzene, its derivatives and the preparation method thereof where the present invention produces only trans-isomer by using Heck coupling reaction instead of Wittig reaction in the introduction to ethenyl group in the central backbone in the preparation process of intermediate. The liquid crystal compound can make the liquid crystal composition have a wide mesophase range and low viscosity.
    Type: Application
    Filed: December 14, 2009
    Publication date: September 29, 2011
    Applicant: Dongjin Semichem Co., Ltd.,
    Inventors: Kyung-Hee Choi, Sun-Hee Lee, Jin-Wook Choi
  • Patent number: 7622899
    Abstract: The present invention relates to an organic electroluminescence display and a fabricating method thereof enabling to simplify a manufacturing process and reduce a product cost by separating devices with a single insulating pattern. The present invention includes the steps of: forming a plurality of stripe type first electrodes on a substrate; forming an insulating layer on the substrate including the first electrodes; forming a lattice type first insulating pattern on a first area crossing with the first electrodes and a second area between the first electrodes by patterning the insulating layer; forming a second insulating pattern by removing an upper portion of a part of the first insulating pattern on the first area at least and an upper portion of the first insulating pattern on the second area; forming organic light-emitting layers on the first electrodes; and forming a plurality of second electrodes on the organic light-emitting layers.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: November 24, 2009
    Assignee: Daewoo Electronics Service Co., Ltd.
    Inventors: Seung Jun Yi, Kyung Hee Choi, Do Hyun Choi
  • Patent number: 7276326
    Abstract: A method for manufacturing an organic electroluminescence display includes forming a plurality of first electrodes on a substrate in a shape of stripe; forming a photoresist layer on an entire surface of the substrate; performing a first exposure of a first area on the photoresist layer crossing the first electrodes; carrying out an image reversal of the first exposed photoresist layer; performing a second exposure of a remaining area on the photoresist layer except a second area crossing the first electrodes and a third area between the first electrodes; performing a third exposure of the entire surface of the photoresist layer; and developing the second exposed photoresist layer and the third exposed photoresist layer.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: October 2, 2007
    Assignee: Daewoo Electronics Corporation
    Inventors: Kyung Hee Choi, Byung Hyun Byun, Seung Jun Yi
  • Patent number: 6948993
    Abstract: An organic EL display and fabricating method thereof enable a reduction in a process time by simplifying a fabricating process in a manner that a pattern of a single insulating layer is formed so as to have both functions of insulator and separator, increase an aperture ratio, and reduce a product cost.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: September 27, 2005
    Assignee: Daewoo Electronics Service Co., Ltd.
    Inventors: Seung-jun Yi, Kyung-hee Choi, Do-hyun Choi, Young-chan Choi
  • Patent number: 6692326
    Abstract: Disclosed is a method of fabricating an organic electroluminescent display enabling to improve device characteristics and reliability by performing excimer laser annealing on a passivation layer locally. The present invention includes forming an anode layer, an organic electroluminescent layer, and a cathode layer successively on a transparent substrate, forming a passivation layer on the transparent substrate including the cathode layer, and performing heat treatment on the passivation layer locally.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: February 17, 2004
    Assignee: CLD, Inc.
    Inventors: Do-hyun Choi, Kyung-hee Choi
  • Patent number: 6610554
    Abstract: Described is a method of fabricating an organic electroluminescent display (hereinafter abbreviated OELD) enabling to increase a throughput efficiency by carrying out a foregoing OELD process, dividing a large-scaled substrate, and carrying out a following OELD process in order. The present invention includes the steps of forming a first electrode layer on a large-scaled substrate, dividing the large-scaled substrate into a plurality of small substrates, forming an organic electroluminescent layer on the first electrode layer of at least one of the small substrates, and forming a second electrode layer on the organic electroluminescent layer.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: August 26, 2003
    Inventors: Seung-jun Yi, Do-hyun Choi, Kyung-hee Choi
  • Publication number: 20030052596
    Abstract: Disclosed is an organic EL display and fabricating method thereof enabling to reduce a process time by simplifying a fabricating process in a manner that a pattern of a single insulating layer is formed so as to have both functions of insulator and separator, increase an opening ratio, and reduce a product cost. The present invention includes a plurality of stripe type first electrodes on a transparent substrate, an insulating layer pattern stacked on the transparent substrate and the first electrodes so as to cross with the first electrodes, a half tone pattern of insulator stacked on the transparent substrate between the insulating layer pattern and between the first electrodes, a plurality of organic light-emitting layers on a plurality of the first electrodes, respectively, and a plurality of second electrodes on a plurality of the second electrodes.
    Type: Application
    Filed: September 16, 2002
    Publication date: March 20, 2003
    Applicant: CLD, Inc.
    Inventors: Seung-jun Yi, Kyung-hee Choi, Do-hyun Choi, Young-chan Choi
  • Publication number: 20030003225
    Abstract: Disclosed is a method of fabricating an organic electroluminescent display enabling to improve device characteristics and reliability by performing excimer laser annealing on a passivation layer locally. The present invention includes forming an anode layer, an organic electroluminescent layer, and a cathode layer successively on a transparent substrate, forming a passivation layer on the transparent substrate including the cathode layer, and performing heat treatment on the passivation layer locally.
    Type: Application
    Filed: November 1, 2001
    Publication date: January 2, 2003
    Inventors: Do-hyun Choi, Kyung-hee Choi
  • Publication number: 20020187255
    Abstract: Described is a method of fabricating an organic electroluminescent display (hereinafter abbreviated OELD) enabling to increase a throughput efficiency by carrying out a foregoing OELD process, dividing a large-scaled substrate, and carrying out a following OELD process in order. The present invention includes the steps of forming a first electrode layer on a large-scaled substrate, dividing the large-scaled substrate into a plurality of small substrates, forming an organic electroluminescent layer on the first electrode layer of at least one of the small substrates, and forming a second electrode layer on the organic electroluminescent layer.
    Type: Application
    Filed: April 11, 2002
    Publication date: December 12, 2002
    Inventors: Seung-jun Yi, Do-hyun Choi, Kyung-hee Choi
  • Publication number: 20020101151
    Abstract: Described is a plasma switched organic photoluminescent display including lower and upper plates. The lower plate includes a transparent rear substrate, a plurality of address electrodes arranged in a first direction on the transparent rear substrate like stripes in parallel each other, a white back dielectric layer on the transparent rear substrate including the address electrodes, a plurality of barrier ribs arranged in parallel each other on the white back dielectric layer between the address electrodes in the first direction, respectively, a plurality of organic photoluminescent layers on the exposed white back dielectric layer between the barrier ribs, respectively, and a plurality of photoluminescent-layer-protecting layers on the organic photoluminescent layers, respectively.
    Type: Application
    Filed: December 5, 2001
    Publication date: August 1, 2002
    Inventors: Do-Hyun Choi, Kyung-Hee Choi, Byung-Hyun Byun, Seung-Jun Yi