Patents by Inventor Kyung Cheol Jeong

Kyung Cheol Jeong 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: 10862125
    Abstract: The present invention relates to an electrode active material slurry, which includes (a) an electrode active material, (b) a conductive agent, (c) a binder, (d) a solvent, and (e) a cellulose-based compound having a weight-average molecular weight (Mw) of 2,000,000 to 3,000,000, a degree of substitution of 1.0 to 1.2, and a viscosity (Brookfield viscometer, speed of 12 rpm) of 4,000 cps to 10,000 cps, and an electrode and a lithium secondary battery which include the same. Phase stability of the electrode active material slurry may be improved and battery characteristics may be improved by using the cellulose-based compound having molecular weight and degree of substitution within a specific range.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Hwa Woo, Kwang Ho Jeong, Jung Woo Yoo, Ye Cheol Rho, Je Young Kim
  • Publication number: 20200300716
    Abstract: Disclosed is a temperature detection device. The device for detecting temperature of a processing liquid for substrate processing according to an embodiment includes a temperature measurement sensor installed adjacent to an outer surface of a tube through which the processing liquid flows, in which the temperature measurement sensor senses the temperature of the processing liquid in the tube.
    Type: Application
    Filed: March 19, 2020
    Publication date: September 24, 2020
    Applicant: KCTECH CO., LTD.
    Inventors: Jae Won LEE, Ju Young LEE, Kyung Cheol JEONG, Jun Ho LEE, Yong Guk PARK
  • Publication number: 20200274102
    Abstract: Provided is a nano-stratified barrier having flexibility and permeability and applicable to flexible organic light-emitting diodes (FOLEDs). The nano-stratified barrier according to an embodiment of the present invention includes a substrate, a nano-stratified inorganic layer provided on the substrate and including a first inorganic layer and a second inorganic layer, and an organic layer provided on the nano-stratified inorganic layer, wherein the nano-stratified inorganic layer has voids at an interface between the first and second inorganic layers.
    Type: Application
    Filed: January 18, 2018
    Publication date: August 27, 2020
    Inventors: Kyung Cheol CHOI, Eun Gyo JEONG
  • Publication number: 20200227750
    Abstract: The present invention relates to an electrode active material slurry, which includes (a) an electrode active material, (b) a conductive agent, (c) a binder, (d) a solvent, and (e) a cellulose-based compound having a weight-average molecular weight (Mw) of 2,000,000 to 3,000,000, a degree of substitution of 1.0 to 1.2, and a viscosity (Brookfield viscometer, speed of 12 rpm) of 4,000 cps to 10,000 cps, and an electrode and a lithium secondary battery which include the same. Phase stability of the electrode active material slurry may be improved and battery characteristics may be improved by using the cellulose-based compound having molecular weight and degree of substitution within a specific range.
    Type: Application
    Filed: March 28, 2017
    Publication date: July 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Kyung Hwa Woo, Kwang Ho Jeong, Jung Woo Yoo, Ye Cheol Rho, Je Young Kim
  • Publication number: 20200180591
    Abstract: A damper control method for a vehicle may achieve normal control of dampers by maintaining the ride comfort enhancement effect of the ECS while reducing manufacturing costs in accordance with a reduction in the number of sensors through elimination of wheel G-sensors.
    Type: Application
    Filed: August 19, 2019
    Publication date: June 11, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation, Korea Advanced Institute of Science and Technology
    Inventors: Seong Jun CHOI, Kyung Ho Kim, In Yong Jung, Ki Cheol Jeong, Sei Bum Choi
  • Patent number: 10644316
    Abstract: The present invention provides an anode slurry for a secondary battery and an anode comprising the same, in which the dispersibility of an anode active material is improved by increasing the adsorption amount of CMC with respect to the anode active material by adjusting the degree of substitution or physical properties such as molecular weight, and a CMC blend amount is reduced so as to increase the slurry solid content and reduce the resistance of a battery.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung Woo Yoo, Hyung Suk Cho, Ye Cheol Rho, Kyung Hwa Woo, Kwang Ho Jeong, Je Young Kim
  • Publication number: 20200085094
    Abstract: A lyocell material for a cigarette filter and a method of manufacturing the same are disclose. The lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to obtain a crimped tow.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Applicants: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol JEONG, Woo Chul KIM, Sang Woo JIN, Burm Ho YANG, Man Seok SEO, Kyung Joon LEE, Hyun Suk CHO, Jong Yeol KIM
  • Patent number: 10517325
    Abstract: This invention relates to a lyocell material for a cigarette filter and a method of manufacturing the same, wherein the lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to thus obtain a crimped tow.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: December 31, 2019
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol Jeong, Woo Chul Kim, Sang Woo Jin, Burm Ho Yang, Man Seok Seo, Kyung Joon Lee, Hyun Suk Cho, Jong Yeol Kim
  • Patent number: 10386977
    Abstract: A display device may include a first transistor, a light emitting device, a sensor capacitor, and an insulating layer. The light emitting device may be electrically connected to the first transistor and may include a pixel electrode, a common electrode, and a light-emitting member positioned between the pixel electrode and the common electrode. The sensor capacitor may include a first capacitor electrode, a second capacitor electrode, and a dielectric layer. The dielectric layer may be positioned between the first capacitor electrode and the second capacitor electrode, may directly contact both the first capacitor electrode and the second capacitor electrode, and may not emit light. The second capacitor electrode may be electrically connected to the common electrode. A face of the insulating layer may directly contact each of the pixel electrode and the first capacitor electrode.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 20, 2019
    Assignee: Samsung Display Co., , Ltd.
    Inventors: Young Soo No, Ki Cheol Kim, Yeon Tae Kim, Kyung Su Lee, Hwan-Hee Jeong, In Young Han
  • Publication number: 20190190045
    Abstract: A method and a system for diagnosing a failure of a temperature sensor for a fuel cell are provided. The method includes calculating a heating value that is generated at a fuel cell stack during a predetermined diagnosis time and then calculating a temperature variation of the fuel cell stack from the calculated heating value. A failure of a temperature sensor configured to measure a temperature of the fuel cell stack is then detected based on the calculated temperature variation of the fuel cell stack.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 20, 2019
    Inventors: Kyung Won Suh, Jae Yeong Yoo, Seong Cheol Jeong
  • Patent number: 6410381
    Abstract: The present invention discloses a method for forming a capacitor of a semiconductor device which can increase a capacitance and prevent a leakage current at the same time. The method includes the steps of depositing a cap oxide film on a semiconductor substrate, patterning the cap oxide film to expose a capacitor region of the semiconductor substrate, consecutively depositing an Ru film for a lower electrode on the patterned cap oxide film and the semiconductor substrate in in-situ according to a low pressure chemical vapor deposition(LPCVD) and a plasma enhanced chemical vapor deposition(PECVD), forming a cylindrical lower electrode, by performing a chemical mechanical polishing process on the Ru film and removing the cap oxide film, forming an amorphous TaON film having a high dielectric constant on the lower electrode, crystallizing the amorphous TaON film according to a thermal treatment, and forming a metal film for an upper electrode on the crystallized TaON film.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: June 25, 2002
    Assignee: Hynix Semiconductor Inc.
    Inventors: Kyong Min Kim, Kyung Cheol Jeong, Han Sang Song, Dong Jun Kim
  • Publication number: 20020016045
    Abstract: The present invention discloses a method for forming a capacitor of a semiconductor device which can increase a capacitance and prevent a leakage current at the same time. The method includes the steps of depositing a cap oxide film on a semiconductor substrate, patterning the cap oxide film to expose a capacitor region of the semiconductor substrate, consecutively depositing an Ru film for a lower electrode on the patterned cap oxide film and the semiconductor substrate in in-situ according to a low pressure chemical vapor deposition(LPCVD) and a plasma enhanced chemical vapor deposition(PECVD), forming a cylindrical lower electrode, by performing a chemical mechanical polishing process on the Ru film and removing the cap oxide film, forming an amorphous TaON film having a high dielectric constant on the lower electrode, crystallizing the amorphous TaON film according to a thermal treatment, and forming a metal film for an upper electrode on the crystallized TaON film.
    Type: Application
    Filed: May 31, 2001
    Publication date: February 7, 2002
    Inventors: Kyong Min Kim, Kyung Cheol Jeong, Han Sang Song, Dong Jun Kim
  • Patent number: 5853484
    Abstract: A gas distribution system for a chemical vapor deposition (CVD) apparatus includes a main gas supply pipe for receiving gas from a gas supply, a manifold communicated to the main gas supply pipe and having a plurality of sub-pipes, a plurality of gas metering valves provided at each of the sub-pipes so as to control gas amount flowing therein from each of the sub-pipes, a gas distribution head communicating with each of the sub-pipes so as to collectively jet gas therefrom, a control unit for outputting control signals to each of the gas control valves, and an N-point scanner electrically connected to input terminals of the control unit. The gas distribution system improves deposition uniformity by adjusting the thickness of a film deposited on a wafer in accordance with scanning information from the N-point scanner.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: December 29, 1998
    Assignee: LG Semicon Co., Ltd.
    Inventor: Kyung Cheol Jeong