Patents by Inventor Kyu-Hwan Lee

Kyu-Hwan Lee 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).

  • Publication number: 20250100531
    Abstract: An electromechanical braking device includes: a housing unit provided with a braking force generating unit therein; a power generating unit configured for providing driving force for braking force required by the braking force generating unit; and a measurement apparatus including one end portion connected to one side of the housing unit and the other end portion connected to the power generating unit, wherein braking torque is determined using axial reaction force generated by driving force greater than or equal to a rotation limit amount generated from the power generation unit.
    Type: Application
    Filed: January 16, 2024
    Publication date: March 27, 2025
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventor: Kyu Hwan LEE
  • Publication number: 20250033622
    Abstract: An electro mechanical brake (EMB) emergency braking device includes an EMB driving unit such as an electric motor that generates driving force; an emergency braking driving unit that generates emergency braking driving force, and may include a pneumatic actuator; and braking force generating unit that generates braking force by receiving one of the driving force or the emergency braking driving force, where the EMB driving unit and the emergency braking driving unit may generate the driving force or the emergency braking driving force from different power sources.
    Type: Application
    Filed: November 6, 2023
    Publication date: January 30, 2025
    Inventor: Kyu Hwan Lee
  • Publication number: 20230227465
    Abstract: The present invention provides a related substance of (3S)-3-(4-(3-(1,4-dioxaspiro[4,5]dec-7-en-8-yl)benzyloxy)phenyl)hex-4-inoic acid, and a method for evaluating the quality of (3S)-3-(4-(3-(1,4-dioxaspiro[4,5]dec-7-en yl)benzyloxy)phenyl)hex-4-inoic acid using the same. According to the present invention, it is possible to evaluate the quality, stability and the like of a pharmaceutical composition comprising (3S)-3-(4-(3-(1,4-dioxaspiro[4,5]dec-7-en-8-yl)benzyloxy)phenyl)hex-4-inoic acid using a compound of Chemical Formula 2 or a salt thereof as a reference standard.
    Type: Application
    Filed: January 29, 2021
    Publication date: July 20, 2023
    Inventors: Jeong Un Hwang, Kyu Hwan Lee, Eun Young Kim, Su Kyoung Choi
  • Publication number: 20230200183
    Abstract: An organic light emitting display device includes a substrate including first to third sub-pixels; first to third light emitting diodes disposed on the substrate and respectively located in the first to third sub-pixels; and a transmittance control layer, light emitted from the first to third light emitting diodes being transmitted toward the transmittance control layer, the transmittance control layer including a lens-shaped transparent pattern and a gray pattern, wherein the gray pattern is located to cover the lens-shaped transparent pattern, and has different thicknesses according to a thick of the transparent pattern.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 22, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Su-Jin CHANG, Kyu-Hwan LEE, Ji-Su YOON
  • Publication number: 20230051318
    Abstract: The present invention relates to a compound represented by Formula 1 wherein A, B, L, X, and R1 to R6 are as described herein, or a pharmaceutically acceptable salt thereof, which serves as a GLP-1 receptor agonist and may be useful in the prevention or treatment of a disease associated with GLP-1 activity.
    Type: Application
    Filed: December 1, 2020
    Publication date: February 16, 2023
    Inventors: Han Kyu LEE, Jeong-Un HWANG, Kyu-Hwan LEE, Hyung-Ho CHOI, Jung-In JANG, Hyuck-Joo LEE, Seung-Tae KANG, Hyun-Ho YOON, Neul HA, Hyun-Hwa LA, Jin Woong KIM, Dae Hoon KIM, Myoung Ki BAEK
  • Publication number: 20220282386
    Abstract: The present invention provides a water electrolysis electrode including a catalyst having a three-dimensional nanosheet structure with a low overvoltage and excellent catalytic activity, a method for producing the same, and a water electrolysis device including the same. The water electrolysis electrode according to the present invention includes a catalyst layer, which includes a composite metal oxide and has a three-dimensional nanosheet structure, and an electrode substrate. The method for producing a water electrolysis electrode according to the present invention comprises steps of: immersing an electrode substrate in an electrolyte solution containing metal oxide precursors; electrodepositing composite metal hydroxides by applying a voltage to the electrode substrate; and forming a composite metal oxide by annealing the electrode substrate. The water electrolysis device according to the present invention includes the water electrolysis electrode according to the present invention as an anode.
    Type: Application
    Filed: October 16, 2019
    Publication date: September 8, 2022
    Inventors: Sung Mook CHOI, Yoo Sei PARK, Myeong Je JANG, Ju Chan YANG, Kyu Hwan LEE, Jeong Hun LEE, Sung Min PARK, Jae Hoon JEONG
  • Publication number: 20220213051
    Abstract: The present invention relates to a novel crystal form of a 3-(4-(benzyloxy)phenyl)hex-4-inoic acid derivative, a preparation method therefore and a pharmaceutical composition comprising same. A crystal form I of a compound of chemical formula 1, according to the present invention, exhibits more excellent physicochemical properties such as thermal stability, static electricity-inducing capability, compressibility, etc. compared to an amorphous form or a crystal form II, and thus is especially useful for preparation and long-term storage.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 7, 2022
    Inventors: Jeong Un HWANG, Jin Woong KIM, Kyu Hwan LEE, Eun Young KIM, Su Kyoung CHOI
  • Patent number: 10821110
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating metabolic diseases, in which a novel 3-(4-(benzyloxy)phenyl)hex-4-inoic acid derivative and at least another active ingredient, which is selected from the group consisting of dipeptidyl peptidase-4 (DPPIV) inhibitor-based, sulfonylurea-based, thiazolidinedione (TZD)-based, biguanide-based, and sodium/glucose cotransporter 2 (SGLT2) inhibitor-based drugs, may be administered in combination or in the form of a composite preparation.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: November 3, 2020
    Assignee: HYUNDAI PHARM CO., LTD.
    Inventors: Jin Yang, Jin Woong Kim, Han Kyu Lee, Jae Hyun Kim, Chang Mo Son, Kyu Hwan Lee, Hyung-Ho Choi, Daehoon Kim, Tae-Young Ha, Jaekeol Rhee
  • Patent number: 10802334
    Abstract: A liquid crystal display device includes a liquid crystal panel and a backlight unit under the liquid crystal panel and including a circuit board; a plurality of LED packages mounted on the circuit board; a partition wall on the circuit board and surrounding at least one LED package; an encapsulation member covering the plurality of LED packages and the partition wall; and a reflective pattern sheet over the encapsulation member and including a plurality of first reflective patterns corresponding to the plurality of LED packages, respectively, wherein a height of the partition wall is equal to or greater than a height of the at least one LED package and smaller than or equal to a thickness of the encapsulation member.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Dong-Hwi Kim, Ki-Seong Kim, Hyun-Min Park, Kyu-Hwan Lee
  • Patent number: 10775670
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit configured to emit light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer configured to convert the first color light into a second color light such that red light and green light are spatially separated; and an optical sheet which diffuses or condenses the second color light.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 15, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Chang-Yul Moon, Ji-Su Yoon, Kyu-Hwan Lee
  • Patent number: 10768480
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is configured to convert the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Se-Hyun Park, Min-Jae Kang, Ji-Su Yoon, Kyu-Hwan Lee
  • Patent number: 10723699
    Abstract: The present invention relates to a cyclohexene derivative, a preparation method thereof, and a pharmaceutical composition for preventing or treating metabolic disease containing the cyclohexene derivative as an active ingredient. The cyclohexene derivative according to the present invention increases the intracellular activity of cyclic adenosine monophosphate (cAMP) by activating G protein-coupled receptor 119 (GPR-119) and simultaneously exhibits weight loss and hypoglycemic effects by inducing the release of glucagon-like peptide-1 (GLP-1), which is a neuroendocrine protein, and thus can be useful as a pharmaceutical composition for preventing or treating metabolic diseases such as obesity, type 1 diabetes, type 2 diabetes, inadequate glucose tolerance, insulin resistance, hyperglycemia, hyperlipidemia, hypertriglyceridemia, hypercholesterolemia, dyslipidemia and syndrome X.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: July 28, 2020
    Assignee: HYUNDAI PHARM CO., LTD.
    Inventors: Jin Yang, Jin Woong Kim, Han Kyu Lee, Jae Hyun Kim, Chang Mo Son, Kyu Hwan Lee, Jeong Un Hwang, Hyung Ho Choi, Dae Hoon Kim, Jae Keol Rhee
  • Patent number: 10627674
    Abstract: The present disclosure relates to a backlight unit and a liquid crystal display device. The liquid crystal display device includes a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel, wherein the backlight unit includes: a light source providing a first color light; a color conversion layer disposed on the light source and converting a part of the first color light into a second color light; an optical sheet between the display panel and the color conversion layer; and an air gap between the color conversion layer and the optical sheet.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Je-Beom Park, Ji-Su Yoon, Min-Jae Kang, Kyu-Hwan Lee
  • Patent number: 10564475
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is disposed on the light source and converts the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 18, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Chang-Yul Moon, Je-Beom Park, Se-Hyun Park, Ji-Su Yoon, Kyu-Hwan Lee
  • Publication number: 20190129254
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is disposed on the light source and converts the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Application
    Filed: September 25, 2018
    Publication date: May 2, 2019
    Inventors: Chang-Yul Moon, Je-Beom Park, Se-Hyun Park, Ji-Su Yoon, Kyu-Hwan Lee
  • Publication number: 20190129250
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer which is configured to convert the first color light into a second color light; an optical sheet which diffuses or condenses the second color light; and an air gap formed between the color conversion layer and the optical sheet.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 2, 2019
    Inventors: Se-Hyun Park, Min-Jae Kang, Ji-Su Yoon, Kyu-Hwan Lee
  • Publication number: 20190129253
    Abstract: The present disclosure is directed to a liquid crystal display device including a display panel having a red pixel, a green pixel, and a blue pixel; and a backlight unit configured to emit light to the display panel. The backlight unit includes a light source which outputs a first color light; a color conversion layer configured to convert the first color light into a second color light such that red light and green light are spatially separated; and an optical sheet which diffuses or condenses the second color light.
    Type: Application
    Filed: September 28, 2018
    Publication date: May 2, 2019
    Inventors: Chang-Yul Moon, Ji-Su Yoon, Kyu-Hwan Lee
  • Patent number: 10276873
    Abstract: Provided are a current collector for a battery, including: a base material; adhesive layers positioned on the base material; and metal mesh layers positioned on the adhesive layers, in which the metal mesh layer includes a plurality of metal mesh patterns, and holes positioned between the metal mesh patterns, and a method of manufacturing the same. An active material is applied onto the metal mesh layer through the holes of the metal mesh layer, and thus a contact area of the metal mesh layer and the active material is increased, so that it is possible to restrict the active material from being deintercalated from the current collector and improve a cycle lifespan property of a battery.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 30, 2019
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Man Kim, Joo Yul Lee, Sang Yeoul Lee, Yong Soo Jeong, Do Yon Chang, Kyu Hwan Lee, Cheol Nam Yang, Chang Rae Lee, Seong Bong Yim, Dong Chan Lim, Jae Hong Lim, Young Sup Song, Sung Mo Moon, Su Sub Cha
  • Publication number: 20190094616
    Abstract: A liquid crystal display device includes a liquid crystal panel and a backlight unit under the liquid crystal panel and including a circuit board; a plurality of LED packages mounted on the circuit board; a partition wall on the circuit board and surrounding at least one LED package; an encapsulation member covering the plurality of LED packages and the partition wall; and a reflective pattern sheet over the encapsulation member and including a plurality of first reflective patterns corresponding to the plurality of LED packages, respectively, wherein a height of the partition wall is equal to or greater than a height of the at least one LED package and smaller than or equal to a thickness of the encapsulation member.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Dong-Hwi KIM, Ki-Seong KIM, Hyun-Min PARK, Kyu-Hwan LEE
  • Publication number: 20190094617
    Abstract: The present disclosure relates to a backlight unit and a liquid crystal display device. The liquid crystal display device includes a display panel including a red pixel, a green pixel, and a blue pixel; and a backlight unit which emits light to the display panel, wherein the backlight unit includes: a light source providing a first color light; a color conversion layer disposed on the light source and converting a part of the first color light into a second color light; an optical sheet between the display panel and the color conversion layer; and an air gap between the color conversion layer and the optical sheet.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Je-Beom PARK, Ji-Su YOON, Min-Jae KANG, Kyu-Hwan LEE