Patents by Inventor Seong Ho Choi

Seong Ho 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: 10435309
    Abstract: A process for removing iodine using gold particles includes contacting a solution including iodine, with gold particles. The iodine is adsorbed onto the gold particles and then removed. A device for removing iodine using gold particles includes gold particles in a stationary phase and is configured to contact a solution including iodine, with gold particles, to thus adsorb the iodine onto the gold particles and remove the iodine.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 8, 2019
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Jong Ho Jeon, Mi Hee Choi, Ha Eun Sim, Seong Jae Yun, Sang Hyun Park, Beom Su Jang, Dae Seong Choi, Dong Eun Lee, Eui Baek Byun
  • Publication number: 20190302504
    Abstract: A display device includes a display panel having a first side including a display area configured to emit light and a second side opposite the first side, an auxiliary layer disposed on the second side of the display area and including an opening, a sensor overlapping the opening, and an adhesive layer connected between the sensor and the auxiliary layer.
    Type: Application
    Filed: November 29, 2018
    Publication date: October 3, 2019
    Inventors: Seong Min WANG, Beohm Rock CHOI, Yong Ho YANG
  • Publication number: 20190279567
    Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 12, 2019
    Inventors: Young-In Hwang, Sung Ho Kim, Eung Taek Kim, Yong Ho Yang, Seong Min Wang, Jung-Mi Choi
  • Patent number: 10390707
    Abstract: Disclosed is a biosensor needle including a light-transmissive main body having a width that is less than a length so as to be inserted into a testee, and a plurality of metal particles provided at at least a part of the main body and generating a surface enhanced Raman scattering (SERS) effect of light incident through the main body.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: August 27, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kwang-bok Kim, Young-jae Oh, Seong-je Cho, Jae-geol Cho, Chul-ho Cho, Sun-tae Jung, Hyoung-seon Choi
  • Patent number: 10383558
    Abstract: A bio information measuring device is provided. The bio information measuring device includes a sensor portion and a needle portion including a plurality of needles projecting from a plurality of openings formed in a surface of the sensor portion. The plurality of needles are configured to pierce tissue, wherein the plurality of needles include a biocompatible organic material which includes an enzyme member that reacts with an analysis material and a conductive polymer for transferring an electrical signal generated as a result of a reaction of the enzyme member with the analysis material.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-Je Cho, Kwang-Bok Kim, Jae-Geol Cho, Chul-Ho Cho, Hyoung-Seon Choi, Seok-Gin Kang, Sun-Tae Jung
  • Publication number: 20190246991
    Abstract: Provided are an electronic device and a method for controlling the same. An electronic device for providing continuous blood glucose monitoring comprises: a first sensor for measuring a glucose level of an interstitial fluid in order to predict blood glucose; a second sensor disposed on an inner surface of the electronic device to be in contact with a human body, in order to measure at least one of a blood flow and a heart rate of the human body; and a processor for determining a diffusion time during which glucose present in blood diffuses into the interstitial fluid, on the basis of characteristics of a signal generated by the second sensor, and predicting the blood glucose on the basis of the glucose level measured by the first sensor and the determined diffusion time.
    Type: Application
    Filed: October 20, 2017
    Publication date: August 15, 2019
    Inventors: Hyoung-seon CHOI, Young-jae OH, Min-hyoung LEE, Seong-je CHO, Chul-ho CHO
  • Publication number: 20190245351
    Abstract: A device for extinction angle control of a high voltage direct current (HVDC) system, includes: a converter reactive power calculator calculating a reactive power variation amount of a converter included in the HVDC system, depending on firing angle control of the converter; an alternating current (AC) system short circuit level calculator calculating a short circuit level of an AC system by applying the reactive power variation amount to a short circuit level formula of the AC system connected to the HVDC system; an extinction angle variation value calculator calculating an extinction angle variation value of the converter, corresponding to the short circuit level; and an extinction angle controller controlling an extinction angle of the converter, depending on an extinction angle control value reflecting the extinction angle variation value.
    Type: Application
    Filed: November 24, 2016
    Publication date: August 8, 2019
    Inventors: Seong-Doo LEE, Soon-Ho CHOI, Chur-Hee LEE
  • Patent number: 10364331
    Abstract: The present application relates to a composite electrolyte membrane and a method for manufacturing the same. The composite electrolyte membrane according to the present application includes: a poly(arylene ether sulfone) copolymer including the repeating unit represented by Chemical Formula 1 and the repeating unit represented by Chemical Formula 2; and a core-shell particle including an inorganic particle core and a basic organic polymer shell.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: July 30, 2019
    Assignees: LG CHEM, LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Seong Ho Choi, Jong-Chan Lee, Hyuk Kim, Doyoung Kim, Ji Hun Kim, Taeyun Ko, Bo-Kyung Jung, Kihyun Kim
  • Patent number: 10345171
    Abstract: The present invention relates to a magnet-integrated-type torque angle sensor module and, more particularly, to a torque angle sensor module that integrates magnets used for detecting steering direction, steering angle, torque, and steering speed and simplifies component configuration, capable of minimizing the rate of defects during assembly, improving disassembling ability, and inducing performance stabilization.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: July 9, 2019
    Assignee: SKF SEALING SOLUTIONS KOREA CO., LTD.
    Inventors: Yong Soo Hur, Chun Soo Han, Jung Sik Choi, Seong Jun Park, Shin Ho Kang
  • Patent number: 10341216
    Abstract: An apparatus for a compliance test on a communication node includes: a monitoring port; a switch turning on or off a connection between the monitoring port and a communication port connected to the communication node; and a processor controlling the switch to turn on or off the connection between the monitoring port and the communication port.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: July 2, 2019
    Assignee: Hyundai Motor Company
    Inventors: Sung Ho Choi, Bong Keun Jeon, Woo Sub Kim, Seong Jin Park
  • Publication number: 20190189884
    Abstract: A thermoelectric composite material includes MXene inserted at a boundary of a crystal grain consisting of a thermoelectric material. Accordingly, the thermoelectric composite material may have a reduced thermal conductivity and an increased electrical conductivity. Furthermore, a mechanical property of the thermoelectric composite material may be improved. Thus, the thermoelectric composite material may improve a thermoelectric ability of a thermoelectric module.
    Type: Application
    Filed: June 4, 2018
    Publication date: June 20, 2019
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jin-Sang KIM, Chong-Min KOO, Seung-Hyub BAEK, Seong-Keun KIM, Chong-Yun KANG, Soon-Man HONG, Seung-Sang HWANG, Ji-Won CHOI, Seok-Jin YOON, Kwang-Chon KIM, Kyung-Youl BAEK, Sang-Ho CHO
  • Patent number: 10315639
    Abstract: A leakage inspecting method of an electric brake system, which includes a master cylinder connected to a reservoir, a simulation device having one side connected to the master cylinder to provide a reaction force according to the pedal effort of the brake pedal, a simulation valve provided at a flow path connected to the master cylinder or a flow path connected to the reservoir, a hydraulic pressure supply device operated by an electrical signal of a pedal displacement sensor sensing a displacement of the brake pedal and configured to generate hydraulic pressure, and a hydraulic pressure control unit, comprising: executing an inspection mode for inspecting for a leak of the simulation valve and a sealing member provided inside a chamber of the master cylinder by providing an inspection valve at a flow path connecting the master cylinder to the reservoir, wherein the inspection mode includes: (a1) closing a cut valve provided at a flow path connecting the master cylinder to the hydraulic pressure control unit
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: June 11, 2019
    Assignee: MANDO CORPORATION
    Inventors: Seong-Ho Choi, In-Wook Jeon, Hyun-Ho Kim
  • Publication number: 20190173058
    Abstract: An organic light-emitting display apparatus including: a substrate; a plurality of pixels that are formed on the substrate and each have a light emission area from which visible rays are emitted and a transmission area through which external light is transmitted; a pixel circuit portion disposed in each light emission area of the plurality of pixels; a first electrode that is disposed in each light emission area and is electrically connected to the pixel circuit portion; an intermediate layer that is formed on the first electrode and includes an organic emissive layer; a second electrode formed on the intermediate layer; and a capping layer that is disposed on the second electrode and includes a first capping layer corresponding to the light emission area and a second capping layer corresponding to the transmission area. Accordingly, electrical characteristics and image quality of the organic light-emitting display apparatus may be improved.
    Type: Application
    Filed: February 1, 2019
    Publication date: June 6, 2019
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Patent number: 10297852
    Abstract: The present specification provides a polymer electrolyte membrane, a membrane electrode assembly including the polymer electrolyte membrane, and a fuel cell including the membrane electrode assembly.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: May 21, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Minkyu Min, Young Sun Park, Hyuk Kim, Seong Ho Choi, Sangwoo Lee, Doyoung Kim
  • Patent number: 10286885
    Abstract: An electric brake system comprising: a master cylinder configured to a reservoir storing oil therein and configured to generate hydraulic pressure according to a pedal effort of a brake pedal; a cut valve installed at a backup flow path connecting the master cylinder to a wheel cylinder; a simulation device including a simulation chamber connected to the master cylinder at a front end of the cut valve to provide a reaction force according to the pedal effort of the brake pedal, a simulation valve provided at a flow path connecting the master cylinder to the simulation chamber; a hydraulic pressure supply device configured to operate in response to an electrical signal of a pedal displacement sensor sensing a displacement of the brake pedal, and a damping member provided at a flow path connecting the hydraulic pressure chamber to the front end of the cut valve, wherein the damping member delivers a pressure pulsation generated in the hydraulic pressure chamber to the brake pedal in an anti-lock brake system (A
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 14, 2019
    Assignee: MANDO CORPORATION
    Inventors: Seong-Ho Choi, In-Wook Jeon
  • Publication number: 20190100183
    Abstract: Disclosed is an electronic brake system including: a reservoir to store oil; a master cylinder connected to the reservoir and including first and second master chambers and first and second piston provided in the first and second master chambers, respectively, to discharge the oil according to an pedal effort of a brake pedal; a hydraulic pressure generating apparatus provided on at least one of a first reservoir passage connecting the reservoir and the first master chamber and a second reservoir passage connecting the reservoir and the second master chamber; a hydraulic pressure supply apparatus operated by an electrical signal to generate a hydraulic pressure and connected to the master cylinder; and a hydraulic pressure control unit transmitting alternatively the hydraulic pressure discharged from the hydraulic pressure generating apparatus or the hydraulic pressure supply apparatus to a wheel cylinder provided on each of four wheels.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 4, 2019
    Inventors: Hee Chul JUNG, Seong Ho CHOI
  • Publication number: 20190092301
    Abstract: Disclosed herein are an electric brake system and an operating method thereof. The electric brake system includes a master cylinder to discharge a pressurized medium in accordance with displacement of a brake pedal, a simulation device to provide a driver with a pedal feeling, a hydraulic pressure supply device to generate a hydraulic pressure by operating a hydraulic piston in accordance with an electrical signal output in response to the displacement of the brake pedal, and a hydraulic control unit to control a hydraulic pressure of the pressurized medium supplied to each wheel cylinder. The electric brake system may perform a normal mode, an abnormal mode, and an inspection mode.
    Type: Application
    Filed: September 22, 2018
    Publication date: March 28, 2019
    Inventors: Hyojin JEONG, Seong Ho CHOI
  • Publication number: 20190092300
    Abstract: Disclosed herein are an electric brake system and an operating method thereof. The electric bake system includes a master cylinder discharging pressure medium according to a displacement of a brake pedal, a simulator providing a sense of pedal to a driver, a hydraulic supplier generating hydraulic pressure by operating a hydraulic piston in response to an electrical signal output by corresponding to the displacement of the brake pedal, and a hydraulic control unit controlling hydraulic pressure of the pressure medium supplied to each wheel cylinder. The electric brake system performs a normal operation mode having a low pressure mode and a high pressure mode, an abnormal operation mode and an inspection mode.
    Type: Application
    Filed: September 21, 2018
    Publication date: March 28, 2019
    Inventors: Hyojin Jeong, Seong Ho Choi
  • Publication number: 20190092302
    Abstract: An electronic brake system and a method for operating the same are disclosed. The electronic brake system includes a hydraulic-pressure supply device and a hydraulic-pressure control unit. The hydraulic-pressure supply device operates a hydraulic piston using an electric signal corresponding to a displacement of a brake pedal, and thus generates hydraulic pressure. The hydraulic-pressure control unit controls hydraulic pressure of a pressure medium supplied to individual wheel cylinders. The electronic brake system controls a plurality of valves mounted to the hydraulic-pressure control unit, and thus performs a normal operation mode, an abnormal operation mode, a regenerative braking mode, and an inspection mode using the valves.
    Type: Application
    Filed: September 22, 2018
    Publication date: March 28, 2019
    Inventors: Hyojin JEONG, Seong Ho CHOI
  • Publication number: 20190092295
    Abstract: Disclosed are an electronic brake system and a method of operating the same, the electronic brake system including a master cylinder configured to discharge a pressurized medium according to a displacement of a brake pedal, a simulation device configured to provide a driver with a pedal feel, a fluid pressure supply device configured to generate a fluid pressure by operating a hydraulic piston according to an electrical signal output to correspond to the displacement of the brake pedal, and a fluid pressure control unit configured to control a fluid pressure of a pressurized medium supplied to each wheel cylinder, in which a normal operation mode, an abnormal operation mode, and a test mode are performed.
    Type: Application
    Filed: September 21, 2018
    Publication date: March 28, 2019
    Inventors: Hyojin JEONG, Seong Ho CHOI