Patents by Inventor Kyung Ho Hwang

Kyung Ho Hwang 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: 11939278
    Abstract: Provided is a method of producing an oligomer, the method including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to produce a reaction product; supplying a discharge stream of the reactor to a separation device, and supplying an upper discharge stream of the separation device including an unreacted monomer to the reactor and supplying a lower discharge stream of the separation device to a settling tank; settling a polymer in the settling tank and removing the polymer, and supplying the lower discharge stream of the separation device from which the polymer is removed to a high-boiling point separation column; removing a high-boiling point material from a lower discharge stream of the high-boiling point separation column and supplying an upper discharge stream of the high-boiling point separation column including an oligomer to a solvent separation column; and separating a solvent and the oligomer in the solvent separation column.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Seog Youk, Min Ho Sun, Jong Hun Song, Hong Min Lee, Moon Sub Hwang, Jeong Seok Lee
  • Patent number: 11935490
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Publication number: 20240081131
    Abstract: A display device includes a glass substrate including a first surface, a second surface opposite to the first surface, and a side surface between the first and second surfaces, an outermost structure disposed on the first surface and adjacent to an edge of the glass substrate, and a display area including a plurality of emission areas spaced apart from the edge on the first surface of the glass substrate. The side surface has a curved shape with the edge protruding to an outermost side of the glass substrate, the side surface includes a first side surface between the edge and the first surface, and a second side surface between the edge and the second surface and having a different curvature from the first side surface, and the glass substrate includes an edge area on the first surface, adjacent to the edge, and, in which processing traces are left.
    Type: Application
    Filed: June 9, 2023
    Publication date: March 7, 2024
    Inventors: Jeong Ho KIM, Konstantin MISHCHIK, Hyung Sik KIM, Kyung Han YOO, Seung Hoon JANG, Se Yeon HWANG
  • Patent number: 11911733
    Abstract: A hair dye dispenser according to an embodiment of the present invention includes a housing having an opening hole formed on one side of which a hair dye is provided, a plurality of cartridges disposed inside the housing and accommodating at least one dyeing material, a main body in which the plurality of cartridges are rotatably disposed, a main motor for rotating the main body so that a first cartridge of the plurality of cartridges is located adjacent to the opening hole, a discharge module for discharging the dyeing material contained in the first cartridge, and an accommodating body in which a basket accommodating the dyeing material discharged by the discharge module is placed, wherein the discharge module may include an elevating body that pressurizes the first cartridge when moving up and is separated from the first cartridge when moving down.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: February 27, 2024
    Assignee: LG FAROUK CO.
    Inventors: Kyung Sik Jang, Jeong Ho Lee, Jung Yong Lee, Seong Lok Hwang, Sang Min Lee, Joong Hun Kim
  • Publication number: 20230356124
    Abstract: A shaped cross-section composite fiber for an intake filter is manufactured from a single material of polypropylene, without separate binder processing by using the single material of polypropylene as a filter material. The shaped cross-section composite fiber includes: a sheath comprising a reformed polypropylene resin; and a core comprising a polypropylene resin, where the sheath and the core are combined to provide a sheath-core structure.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Inventors: Yong Gyo Seo, Yong Seok Jang, Sang Jun Ahn, Jung Wu Jung, Hyong Do Chung, Young Hae Kim, Kyung Ho Hwang, Soo Hyun Kim, Dong Eun Kim, Nam Hoon Kim
  • Patent number: 11635229
    Abstract: Provided is an air conditioner including a housing including a discharge path, a first discharge wall forming the discharge path, and a second discharge wall arranged at a side opposite to the first discharge wall and an airflow controller including a guide member configured to move between a first location provided at an inside of the first discharge wall and a second location protruding outside of the first discharge wall. The air conditioner controls a discharge airflow while minimizing loss of discharge air volume through an airflow controller without using a general blade, and controls a discharge airflow of air discharged through a discharge path having a circular shape.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Won Ryu, Hyun Uk Park, Kyung Ho Hwang, Tae-In Eom, Jae Min Park
  • Patent number: 11592191
    Abstract: An air conditioner includes a housing having a blowing port, a first guide configured to cover a portion of the blowing port, a second guide configured to cover another portion of the blowing port, a motor configured to rotate the first guide and the second guide, a first gear configured to be connected to the first guide, a guide holder configured to be connected to the second guide, and a second gear configured to connect the first gear to the motor.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kyun Jeong, Kyung Ho Hwang, Jae Min Park, Hyun Uk Park, Chan Young Park, Kwon Jin Kim, Sung Jae Kim, Yeon-Seob Yun, Kyeong Ae Lee, Chang-Woo Jung, Sung-June Cho
  • Publication number: 20230005438
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Patent number: 11443700
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: September 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Patent number: 11242647
    Abstract: Disclosed herein is a clothes treating apparatus having a movable nozzle for spraying air jets to the garment hung on one or more hangers. The clothes treating apparatus includes a main body having a garment container, a door hinged with the main body to be rotated in front of the garment container and having a display on the front side of the door, a nozzle unit having a nozzle configured to spray air to a garment contained in the garment container, a nozzle transportation unit configured to reciprocate the nozzle unit, and a hose supplying air from a fan located on the bottom of the main body to the nozzle unit, wherein a direction of transportation of the nozzle unit intersects the direction of gravity.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: February 8, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Mi Kim, Kyung Ho Hwang, Jea Won Lee, Jong Ho Lee, Hwang Mook Cho
  • Patent number: 11148925
    Abstract: A refrigerator includes a body, a storage chamber, a door, a water tank to store clean water, a carbonated water production module mounted to a back surface of the door while including a carbon dioxide gas cylinder stored with carbon dioxide gas, and a carbonated water tank to produce carbonated water through mixing of the clean water with the carbon dioxide gas, a dispenser including a dispensation space formed at the door, a carbonated discharge line to connect the carbonated water tank and the dispensation space, so as to retrieve the carbonated water in the dispensation space, and a clean water discharge line to connect the water tank and the dispensation space without passing through the carbonated water tank, so as to retrieve the clean water in the dispensation space, and a carbonated water regulator to maintain a discharge pressure of the carbonated water at a predetermined pressure.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hae Ryong Jeon, Sang Tak Lee, Yong Soo Kyong, Kyung Ho Hwang
  • Publication number: 20210183321
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 17, 2021
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Patent number: 10976100
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: April 13, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Won Seo, Jea Won Lee, Yong Soo Kyong, Kyung Ho Hwang, Jae Bok Lee, Myoung Jin Jang, Nam Gu Choi
  • Patent number: 10947098
    Abstract: Disclosed herein is a refrigerator capable of producing carbonated water and a control method thereof. The refrigerator includes a carbonated water tank to store carbonated water a carbon dioxide gas supply valve to open/close a carbon dioxide gas flow path to guide carbon dioxide gas from a carbon dioxide gas cylinder to the carbonated water tank, and a carbonated water tank pressure sensor to detect an internal pressure of the carbonated water tank.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Koog An, Kyung Ho Hwang, Yong Soo Kyong, Jea Won Lee, Jong Ho Lee
  • Patent number: 10930222
    Abstract: A display device includes a display panel including a gate line, a data line, and a pixel at a crossing region of the gate line and the data line, a timing controller configured to generate a gate driving control signal, a data driving control signal, and a power control signal based on a display period corresponding to a time interval of frames, a gate driver configured to provide a gate signal to the pixel through the gate line based on the gate driving control signal, a data driver configured to provide a data signal to the pixel through the data line based on the data driving control signal, and a power supply configured to generate a power voltage to drive the pixel, and configured to adjust the power voltage based on the power control signal during the display period.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: February 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si-Beak Pyo, Won-Ju Shin, Kyung-Ho Hwang
  • Publication number: 20210008476
    Abstract: A shaped cross-section composite fiber for an intake filter is manufactured from a single material of polypropylene, without separate binder processing by using the single material of polypropylene as a filter material. The shaped cross-section composite fiber includes: a sheath comprising a reformed polypropylene resin; and a core comprising a polypropylene resin, where the sheath and the core are combined to provide a sheath-core structure.
    Type: Application
    Filed: November 25, 2019
    Publication date: January 14, 2021
    Inventors: Yong Gyo Seo, Yong Seok Jang, Sang Jun Ahn, Jung Wu Jung, Hyong Do Chung, Young Hae Kim, Kyung Ho Hwang, Soo Hyun Kim, Dong Eun Kim, Nam Hoon Kim
  • Patent number: 10878777
    Abstract: An organic light emitting display device includes a gamma reference voltage setter to set a gamma reference voltage, a gamma reference voltage generator to generate a gamma reference voltage set by the gamma reference voltage setter, and a gamma voltage generator to generate a gamma voltage based on the gamma reference voltage. The gamma reference voltage setter sets the gamma reference voltage to a first temporary value, increases the first temporary value by a first delta value, searches a second temporary value at which luminance of the display panel is less than a preset value, and sets the gamma reference voltage based on the searched second temporary value.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Ho Hwang, Young Seob Kim, Ji Tae Kim
  • Publication number: 20200309406
    Abstract: Provided is an air conditioner including a housing including a discharge path, a first discharge wall forming the discharge path, and a second discharge wall arranged at a side opposite to the first discharge wall and an airflow controller including a guide member configured to move between a first location provided at an inside of the first discharge wall and a second location protruding outside of the first discharge wall. The air conditioner controls a discharge airflow while minimizing loss of discharge air volume through an airflow controller without using a general blade, and controls a discharge airflow of air discharged through a discharge path having a circular shape.
    Type: Application
    Filed: November 21, 2018
    Publication date: October 1, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Won Ryu, Hyun Uk Park, Kyung Ho Hwang, Tae-In Eom, Jae Min Park
  • Publication number: 20200232655
    Abstract: An air conditioner includes a housing having a blowing port, a first guide configured to cover a portion of the blowing port, a second guide configured to cover another portion of the blowing port, a motor configured to rotate the first guide and the second guide, a first gear configured to be connected to the first guide, a guide holder configured to be connected to the second guide, and a second gear configured to connect the first gear to the motor.
    Type: Application
    Filed: August 30, 2018
    Publication date: July 23, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kyun JEONG, Kyung Ho HWANG, Jae Min PARK, Hyun Uk PARK, Chan Young PARK, Kwon Jin KIM, Sung Jae KIM, Yeon-Seob YUN, Kyeong Ae LEE, Chang-Woo JUNG, Sung-June CHO
  • Publication number: 20200173713
    Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Inventors: Jun Won SEO, Jea Won LEE, Yong Soo KYONG, Kyung Ho HWANG, Jae Bok LEE, Myoung Jin JANG, Nam Gu CHOI