Patents by Inventor Cheol Jin

Cheol Jin 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: 8797022
    Abstract: An ultra-slim sensor device, comprising: a sensor element; lead wires (or lead frames) connected to the sensor element; a support for protecting the sensor element and the lead wires disposed therein; and upper and lower films disposed on upper and lower sides of the sensor element, the lead wires and the support to insulate them, wherein a thickness of the support is greater than that of the sensor element in order to protect the sensor element and the lead wires from external shocks, and the support gradually becomes thin toward the end thereof such that the upper and lower films come into contact with each other in order to remove a space between the upper and lower films.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: August 5, 2014
    Assignee: Lattron Co., Ltd.
    Inventors: Chung Kook Lee, Young Seong Wang, Cheol Jin Jeong
  • Publication number: 20140209424
    Abstract: The present invention relates to a dual clutch device which comprises: a retainer portion to which a rotation force is transmitted; a pair of plate portions provided to the retainer portion; disc portions which are respectively arranged at the plate portions; a herb portion connected to the disc portion; piston portions which respectively apply pressure to the plate portions; driving portions which respectively move the piston portions; and a restoration portion which is arranged between the driving portions and provides a restoration force to the piston portions. The dual clutch device, according to the invention, uses one restoration portion, thereby simplifying a flow path and reducing the size of a product.
    Type: Application
    Filed: September 9, 2011
    Publication date: July 31, 2014
    Applicant: HYUNDAI POWERTECH CO., LTD.
    Inventor: Cheol Jin Kim
  • Publication number: 20140191650
    Abstract: An electric field emitting source is equipped with an electron emitting film which comprises a nano-sized electron emitting substance and has a first surface and a second surface constituting the surface opposite thereto, and a cathode which secures one end of the electron emitting film and comprises a first block and a second block respectively corresponding to the first surface and the second surface of the electron emitting film.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 10, 2014
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Cheol Jin Lee, Dong Hoon Shin, Ji Hong Shin
  • Publication number: 20140020670
    Abstract: An over having an improved exhaust structure capable of discharging a fluid of the inside of a cooking chamber at a constant rate, the oven including a cooking chamber cooking food, a machine chamber disposed at an upper side of the cooking chamber and accommodating an electronic component, a cooling fan unit disposed at an inside of the machine chamber to cool the machine chamber, and a flow passage guide communicating with an inside the cooking chamber and an inside of the cooling fan unit such that a fluid of the inside of the cooking chamber is introduced to the inside of the cooling fan unit, wherein the cooling fan unit includes a cooling fan configured to suck a fluid of the inside the machine chamber and blow the fluid to the outside environment.
    Type: Application
    Filed: July 19, 2013
    Publication date: January 23, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Ho LEE, Eun x Oh Kim, Cheol Jin Kim, Guen Yong Park, Nam Soo Park, Ho Yeun Lee
  • Publication number: 20130295815
    Abstract: Provided are an electron emission source, a display apparatus using the same, an electronic device, and a method of manufacturing the display apparatus. The electron emission source includes a substrate, a cathode separately manufactured from the substrate, and a needle-shaped electron emission material layer, e.g., carbon nanotube (CNT) layer, fixed to the cathode by an adhesive layer. The CNT layer is formed by a suspension filtering method, and electron emission density is increased by a subsequent taping process on the electron emission material layer.
    Type: Application
    Filed: July 11, 2013
    Publication date: November 7, 2013
    Applicant: KOREA UNIVERSITY INDUSTRIAL & ACADEMIC COLLABORATION FOUNDATION
    Inventors: Cheol Jin LEE, Seung Il Jung
  • Publication number: 20130285009
    Abstract: Described is a lateral field emission device emitting electrons in parallel with respect to a substrate. Electron emission materials having a predetermined thickness are arranged in a direction with respect to the substrate on a supporting portion. An anode is disposed on a side portion of the substrate, the anode corresponding to the electron emission materials.
    Type: Application
    Filed: January 10, 2012
    Publication date: October 31, 2013
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Cheol Jin Lee, Dong Hoon Shin
  • Patent number: 8523430
    Abstract: An ultra thin temperature sensor device includes a temperature sensor element, lead frames for allowing the temperature sensor element to be interposed and fastened between the lead frames, a supporter for protecting the temperature sensor element, and a film for enclosing and insulating the temperature sensor element, the lead frames, and the supporter. The supporter is formed to be larger than the temperature sensor element.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: September 3, 2013
    Assignee: Lattron Co. Ltd.
    Inventors: Chung Kook Lee, Young Seong Wang, Cheol Jin Jeong
  • Patent number: 8511185
    Abstract: A sensor element assembly, including: a sensor element; lead frames provided with the sensor element therebetween, the lead frames fixing the sensor element; a first head protection film protecting the sensor element fixed between the lead frames; an insulating film covering the first head protection film and the lead frames to insulate the lead frames; and a second head protection film (resin layer) further covering the head covered with the insulating film. The sensor element assembly is advantageous in that an epoxy resin layer is formed on a film layer covering a sensor element, so that the strength of the sensor element assembly can be maintained by the epoxy resin layer itself, thereby improving the impact resistance and compressive strength thereof.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: August 20, 2013
    Assignee: Lattron Co. Ltd.
    Inventors: Chung Kook Lee, Young Seong Wang, Cheol Jin Jeong
  • Patent number: 8513870
    Abstract: Provided are an electron emission source, a display apparatus using the same, an electronic device, and a method of manufacturing the display apparatus. The electron emission source includes a substrate, a cathode separately manufactured from the substrate, and a needle-shaped electron emission material layer, e.g., carbon nanotube (CNT) layer, fixed to the cathode by an adhesive layer. The CNT layer is formed by a suspension filtering method, and electron emission density is increased by a subsequent taping process on the electron emission material layer.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: August 20, 2013
    Assignee: Korea University Industrial & Academic Cooperation Foundation
    Inventors: Cheol Jin Lee, Seung Il Jung
  • Patent number: 8507554
    Abstract: In the quorum sensing antagonist blocking the communication in bacteria, the method for preventing biofilm formation using this quorum sensing antagonist and the method for reducing the bacterial contamination, the quorum sensing antagonist contains the homoserine lactone moiety and sulfanylethanoyl group, and has a similar chemical structure to that of the autoinducer which is produced by bacteria as a signal, whereby the quorum sensing antagonist can inhibit the formation of biofilm and reduce the bacterial contamination as well.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: August 13, 2013
    Assignee: Seoul National University Industry Foundation
    Inventors: Je-Yong Yoon, Cheol-Jin Kim, Jae-Eun Kim, Hyung-Yeon Park
  • Patent number: 8378354
    Abstract: A liquid crystal display panel where pixel cells defined by gate lines and data lines which are located to cross each other are arranged in a matrix shape, wherein each of the pixel cells includes a thin film transistor located at a crossing of the gate line and the data line, a pixel electrode connected to the thin film transistor, and a protrusion that overlaps a gate electrode of the thin film transistor to form a parasitic capacitor with the gate electrode and is connected to the pixel electrode, wherein each protrusion in the pixel cells of the liquid crystal display panel have an area determined in accordance with a location of the pixel cell in the liquid crystal display panel.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: February 19, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Chang Ho Oh, Hyun Cheol Jin, Jin Young Park, Young Mi Tak
  • Patent number: 8319903
    Abstract: An in-plane switching mode liquid crystal display according to an embodiment includes gate lines arranged in a first direction on an array substrate, data lines arranged in a second direction substantially perpendicular to the first direction, one or more storage electrodes provided on the array substrate, common electrodes extending across each pixel region, pixel electrodes arranged to be substantially parallel to the common electrodes, the common electrodes and the pixel electrodes being alternately arranged to generate an in-plane field in each pixel region, thin film transistors (TFTs) provided at intersection areas of the gate lines and the data lines, each TFT including a source electrode connected to the corresponding data line, a drain electrode connected to the corresponding pixel electrode and a gate electrode, and at least one common line located under the respective common electrode in the pixel region, the common line being substantially parallel to the data lines.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: November 27, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Young Oh, Joon-Youp Lee, Hyun-Cheol Jin, Min-Jic Lee
  • Publication number: 20120273477
    Abstract: A steam cooking apparatus with improved water supply and drainage structures. The apparatus includes a body, a cooking compartment, a steam generator to supply steam into the cooking compartment, a water vessel to store water and supply the water into the steam generator, a water supply device including a holder and a slider slidably mounted in the holder so as to be withdrawn from the body, a first water supply tube connecting the slider and the water vessel, a second water supply tube connecting the water vessel and the steam generator, and a drain tube to drain water in the steam generator to the outside of the body. The drain tube includes an end fixed to the slider so that the end of the drain tube is withdrawn with the slider from the body when water in the steam generator is drained to the outside.
    Type: Application
    Filed: April 26, 2012
    Publication date: November 1, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Guen Yong PARK, Jae Hyoun Kim, Cheol Jin Kim, Han Seong Kang, Jin Hae Cho, Eun Oh Kim, Chan Park, Dong-Ho Lee
  • Publication number: 20120235669
    Abstract: An ultra-slim sensor device, comprising: a sensor element; lead wires (or lead frames) connected to the sensor element; a support for protecting the sensor element and the lead wires disposed therein; and upper and lower films disposed on upper and lower sides of the sensor element, the lead wires and the support to insulate them, wherein a thickness of the support is greater than that of the sensor element in order to protect the sensor element and the lead wires from external shocks, and the support gradually becomes thin toward the end thereof such that the upper and lower films come into contact with each other in order to remove a space between the upper and lower films.
    Type: Application
    Filed: March 12, 2012
    Publication date: September 20, 2012
    Applicant: LATTRON CO. LTD.
    Inventors: Chung Kook Lee, Young Seong Wang, Cheol Jin Jeong
  • Publication number: 20120201051
    Abstract: A power-supply circuit for a DC appliance includes an input unit including a first terminal and a second terminal so as to receive a DC current, an output unit including a third terminal to output the DC current entered by the input unit and a fourth terminal, a connection unit including a first conductive line and a second conductive line so as to interconnect the input unit and the output unit, a rectifier unit including first to fourth diodes coupled as a bridge diode format so as to rectify the input DC current in a predetermined direction, an inductor unit that is connected in series to the rectifier unit in such a manner that the input DC current is gradually increased from an abrupt change time point of the DC current, and a condenser unit that is connected in series to the inductor unit.
    Type: Application
    Filed: January 26, 2012
    Publication date: August 9, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Cheol JIN, Han Soi SEO, Hyun Soo PARK
  • Publication number: 20120200280
    Abstract: A plug for a DC appliance includes an input unit including anode and cathode terminals, an output unit including anode and cathode terminals to allow a DC current input through the input unit to be output to an electric device, a connection unit to interconnect the input unit and the output unit, a rectifier unit coupled between anode and cathode terminals of the input unit to rectify the input DC current, an inductor unit connected in series to the rectifier unit so that an internal current of the plug is gradually increased in response to an increase of the input DC current, and a condenser unit connected in series to the inductor unit, which is charged with voltage in response to a current passing through the inductor unit, and discharges the charged voltage to the output unit when the input of the DC current from the input unit is interrupted.
    Type: Application
    Filed: January 11, 2012
    Publication date: August 9, 2012
    Applicants: SUNGKYUNKWAN UNIVERSITY OF, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Cheol Jin, Han Sol Seo, Hyun Soo Park, Byoung Kuk Lee, Joon Young Jeon
  • Patent number: 8193692
    Abstract: Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: June 5, 2012
    Assignee: Korea University Industrial & Academic Collaboration Foundation
    Inventors: Cheol-Jin Lee, Seung-Il Jung, Guohai Chen
  • Patent number: 8137740
    Abstract: A method of transferring an electronic material and a method of manufacturing an electronic device using the method of transferring the electronic material. The method of transferring the electronic material includes dipping a template, on which an electronic material layer is formed, into a liquid medium, separating the electronic material layer from the template, and floating the electronic material layer on a surface of the liquid medium; raising up the electronic material layer floated on the surface of the liquid medium by using a target substrate and transferring the electronic material layer on the target substrate; and fixing the electronic material layer to the target substrate.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: March 20, 2012
    Assignee: Korean University Research and Business Foundation
    Inventors: Cheol Jin Lee, Sun Kug Kim
  • Publication number: 20120027046
    Abstract: An ultra thin temperature sensor device includes a temperature sensor element, lead frames for allowing the temperature sensor element to be interposed and fastened between the lead frames, a supporter for protecting the temperature sensor element, and a film for enclosing and insulating the temperature sensor element, the lead frames, and the supporter. The supporter is formed to be larger than the temperature sensor element.
    Type: Application
    Filed: October 25, 2010
    Publication date: February 2, 2012
    Applicant: LATTRON CO. LTD.
    Inventors: Chung Kook Lee, Young Seong Wang, Cheol Jin Jeong
  • Publication number: 20120017457
    Abstract: The present invention relates to a dryer having a liquid spraying function, and according to one aspect of the present invention, a laundry treating apparatus including a plurality of laundry treating courses which have different laundry treating methods is provided. The apparatus comprises: a drum for receiving the laundry; a hot air supply means for supplying hot air to the inner side of the drum; a spraying means for spraying a fragrant solution to the inside of the drum; a manipulating means including a course selecting means for selecting the laundry treating courses; and a controller for controlling the apparatus according to the instructions inputted by the manipulating means, wherein a plurality of laundry treating courses includes at least one scent spray course for spraying the fragrant solution during the laundry treating process, and the course selecting means comprises a scent spray course selecting means for selecting one of the scent spray courses.
    Type: Application
    Filed: April 16, 2010
    Publication date: January 26, 2012
    Applicant: LG Electronics Inc.
    Inventors: Sang-Hun Bae, Sung-Ho Song, Min-Ji Kim, Yong-Cheol Jin