Patents by Inventor Do-hyun Choi

Do-hyun 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: 12136539
    Abstract: An embodiment of the present disclosure provides an upper electrode including a flat upper surface; a lower surface facing the upper surface; and a thickness from the upper surface to the lower surface, wherein the lower surface includes a first profile corresponding to the central area of the lower surface and having a first thickness change rate of ?0.1 to 0; a third profile surrounding the first profile and having a third thickness change rate of ?0.115 to ?0.122; and a fifth profile surrounding the third profile and having a fifth thickness change rate of ?0.003 to 0.003, wherein the first thickness change rate, the third thickness change rate, and the fifth thickness change rate are values obtained by dividing a change in thickness by a change in radius along a horizontal direction parallel to the upper surface from a center of the lower surface.
    Type: Grant
    Filed: April 26, 2024
    Date of Patent: November 5, 2024
    Assignee: SK Enpulse Co., Ltd.
    Inventors: Jong Kyu Lee, Hyun Soo Lee, Il Gu Yong, Do Hyun Choi, Ho Geun Han
  • Publication number: 20240363314
    Abstract: An embodiment of the present disclosure provides an upper electrode including a flat upper surface; a lower surface facing the upper surface; and a thickness from the upper surface to the lower surface, wherein the lower surface includes a first profile corresponding to the central area of the lower surface and having a first thickness change rate of ?0.1 to 0; a third profile surrounding the first profile and having a third thickness change rate of ?0.115 to ?0.122; and a fifth profile surrounding the third profile and having a fifth thickness change rate of ?0.003 to 0.003, wherein the first thickness change rate, the third thickness change rate, and the fifth thickness change rate are values obtained by dividing a change in thickness by a change in radius along a horizontal direction parallel to the upper surface from a center of the lower surface.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 31, 2024
    Inventors: Jong Kyu LEE, Hyun Soo LEE, Il Gu YONG, Do Hyun CHOI, Ho Geun HAN
  • Publication number: 20240170266
    Abstract: The present invention provides a component for a semiconductor device fabrication apparatus, a semiconductor device fabrication apparatus including the same, and a method of fabricating a semiconductor device, wherein the component includes single-crystal silicon, wherein, on at least one surface thereof, a water contact angle is 45° to 74° and a diiodomethane contact angle is 41° to 57°.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Inventors: Hyun Soo LEE, Hae Mi KANG, Do Hyun CHOI, Il Gu YONG, Jong Kyu LEE, Ho Geun HAN, Ju Young SONG
  • Publication number: 20220370537
    Abstract: The present disclosure relates to a pharmaceutical composition and a health composition including an effective amount of a bay leaf extract as an active ingredient for treatment and prevention of benign prostatic hyperplasia, and a method of treating benign prostatic hyperplasia using the same.
    Type: Application
    Filed: August 5, 2022
    Publication date: November 24, 2022
    Applicant: KOSABIO INC.
    Inventors: Kyung-Jae KIM, Young-Cheon SONG, Hyun-Seok KONG, Ji-Yeon KIM, Do-Hyun CHOI, Jin-Ho AN
  • Patent number: 10793373
    Abstract: A self-cleaning ring conveyor includes a first roller having a first rotational axis and a second roller having a second rotational axis that is parallel with the first rotational axis. The conveyor also includes a first ring extending around a combination of the first roller and the second roller and a second ring extending around the combination of the first roller and the second roller. The first ring and the second ring are parallel to each other. The conveyor also includes a first scraper having a first scraping slot and a second scraping slot. The first ring extends through the first scraping slot and the second ring extends through the second scraping slot.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: October 6, 2020
    Assignee: NIKE, Inc.
    Inventors: HyunTae Ahn, Hyun Min Baek, Do Hyun Choi, Sang Hee Lee
  • Publication number: 20190248597
    Abstract: A self-cleaning ring conveyor includes a first roller having a first rotational axis and a second roller having a second rotational axis that is parallel with the first rotational axis. The conveyor also includes a first ring extending around a combination of the first roller and the second roller and a second ring extending around the combination of the first roller and the second roller. The first ring and the second ring are parallel to each other. The conveyor also includes a first scraper having a first scraping slot and a second scraping slot. The first ring extends through the first scraping slot and the second ring extends through the second scraping slot.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 15, 2019
    Inventors: HyunTae Ahn, Hyun Min Baek, Do Hyun Choi, Sang Hee Lee
  • Publication number: 20170153748
    Abstract: The coordinate input device of the present invention includes a sensing panel that has a plurality of sensing strip antennas, and a sensing control circuit that controls the sensing panel to sense a touch input and calculate corresponding touch input coordinates to provide the coordinates to a host. The coordinate input device of the present invention may also include a sensing control circuit that calculates touch input coordinates based on a variation in electrical characteristic values related to the impedance matching of a scan signal with respect to the touch input of an electrostatic object, and senses all of the touch inputs of the electrostatic object and a stylus pen by using the same and one sensing panel without having a separate digitizer panel for sensing the respective touch inputs of the stylus pen, by using the change function of a touch sensing mode.
    Type: Application
    Filed: June 25, 2015
    Publication date: June 1, 2017
    Applicant: NP Holdings Co., Ltd.
    Inventor: Do-Hyun CHOI
  • Publication number: 20130280859
    Abstract: Provided are a thin film transistor and a method of manufacturing the same. The thin film transistor includes: a gate electrode; source and drain electrodes spaced apart in a up and down direction from the gate electrode and in a horizontal direction from each other; a gate dielectric formed between the gate electrode and the source electrode and between the gate electrode and the drain electrode; and an active layer formed between the gate dielectric and the source electrode and between the gate dielectric and the drain electrode, wherein the active layer is formed of at least two zinc oxide thin layers doped with an element.
    Type: Application
    Filed: November 23, 2011
    Publication date: October 24, 2013
    Inventors: Jae-Ho Kim, Dong-Gun Oh, Do-Hyun Choi, Jin-Wook Moon
  • 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: 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
  • Publication number: 20050012248
    Abstract: Disclosed is a method of fabricating a transparent plastic display substrate having a barrier layer enabling to prevent the penetration of oxygen and moisture without causing damage on a substrate by annealing a surface of the barrier layer locally. The present invention includes the steps of forming a silicon based barrier layer on a transparent plastic substrate and annealing the barrier layer locally.
    Type: Application
    Filed: November 29, 2002
    Publication date: January 20, 2005
    Inventors: Seung Yi, Kyung Choi, Do-Hyun Choi, Seong Im, Byung Byun
  • Patent number: 6781309
    Abstract: Described is a plasma switched organic electroluminescent display, which includes an electroluminescent part including a cathode layer, an electroluminescent layer on the cathode layer, and an anode layer on the electroluminescent layer, a first power supply unit connected electrically to the anode layer and disconnected electrically to the cathode layer so as to supply the electroluminescent layer with a first power, a plasma generating part generating a plasma wherein the plasma becomes contacted with the cathode layer, and a second power supply unit generating the plasma by supplying the plasma generating part with a second power, wherein the cathode layer is connected electrically to the first power supply unit through the plasma, thereby enabling to emit light by organic electroluminescent as well as drive the display by a low driving voltage using a plasma discharge as a switch.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: August 24, 2004
    Assignee: CLD, Inc.
    Inventors: Do-hyun Choi, Byung-hyun Byun, Seung-jun Yi
  • 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
  • Patent number: 6480252
    Abstract: Disclosed is a liquid crystal display having an improved characteristic of viewing angle by modifying a pixel electrode and a common electrode construction respectively. In a liquid crystal display, upper and lower substrates are opposed to each other and spaced from each other by a predetermined distance. A liquid crystal layer is interposed between the upper and the lower substrates. A pixel electrode is formed at a portion of an inner surface of the lower substrate corresponding to a pixel area, and the pixel electrode has an uneven surface including first convex portions and first concave portions. A common electrode is formed at a portion of an inner surface of the upper substrate corresponding to the pixel electrode, so as to form an electric field together with the pixel electrode. The common electrode has an uneven surface including second convex portions and second concave portions.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: November 12, 2002
    Assignee: Hyundai Display Technology Inc.
    Inventors: Kyung Ha Lee, Seung Moo Rim, Do Hyun 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
  • Publication number: 20020063525
    Abstract: Described is a plasma switched organic electroluminescent display, which includes an electroluminescent part including a cathode layer, an electroluminescent layer on the cathode layer, and an anode layer on the electroluminescent layer, a first power supply unit connected electrically to the anode layer and disconnected electrically to the cathode layer so as to supply the electroluminescent layer with a first power, a plasma generating part generating a plasma wherein the plasma becomes contacted with the cathode layer, and a second power supply unit generating the plasma by supplying the plasma generating part with a second power, wherein the cathode layer is connected electrically to the first power supply unit through the plasma, thereby enabling to emit light by organic electroluminescence as well as drive the display by a low driving voltage using a plasma discharge as a switch.
    Type: Application
    Filed: November 29, 2001
    Publication date: May 30, 2002
    Inventors: Do-Hyun Choi, Byung-Hyun Byun, Seung-Jun Yi