Patents by Inventor Chang-seung Lee

Chang-seung 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).

  • Patent number: 11945461
    Abstract: Disclosed are a drunk driving prevention system and a method of controlling the system that includes a sensor module measuring a alcohol content in the exhaled breath of a driver during a breath-checking of the driver and a control module configured to check the intoxication state of the driver from the alcohol content measured by the sensor module to determine whether the breath-checking is complete and block an engine start when the breath-checking fails, wherein the control module includes a check unit displaying breath-checking guide information through a display unit and the check unit displays the breath-checking guide information based on an engine start input of the driver.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: April 2, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Yu Jin Jung, Yeon Su Kim, June Seung Lee, Chang Won Lee
  • Publication number: 20240077973
    Abstract: A sensor device includes: a sensor panel including sensors arranged in a matrix form and sensor lines electrically connected to the sensors one-to-one; and a sensor driver configured to receive sensing signals from the sensors through the sensor lines, wherein the sensor driver is configured to simultaneously receive a first sensing signal from a first sensor using a first reference signal and a second sensing signal from a second sensor using a second reference signal, wherein the first reference signal and the second reference signal have a same waveform, a phase of the second reference signal is different from a phase of the first reference signal, and wherein a phase of the second sensing signal is different from a phase of the first sensing signal.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 7, 2024
    Inventors: Jin Woo KIM, Ja Seung KU, Chang Bum KIM, Dong Chun LEE
  • Patent number: 11921456
    Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: March 5, 2024
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Pil-Seung Oh, Taeil Jung, Tae-Hee Kim, Chang-Woo Lee
  • Publication number: 20240074258
    Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.
    Type: Application
    Filed: May 5, 2023
    Publication date: February 29, 2024
    Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
  • Publication number: 20240066960
    Abstract: An embodiment vehicle door opening/closing system includes an inner panel defining a door open portion of a vehicle, the inner panel including an installation groove having a protruding or recessed shape, a driving device disposed in the installation groove of the inner panel, and a link mechanism installed on a chassis through a rotating shaft, a first end of the link mechanism being connected to the driving device such that power is transferred thereto, and a second end of the link mechanism being connected to a door such that, during driving of the driving device, the link mechanism rotates with reference to the rotating shaft to open/close the door.
    Type: Application
    Filed: January 23, 2023
    Publication date: February 29, 2024
    Inventors: Chang Hak Kang, Jae Seung Lee, Gook Hyun Jeon, Chan Woong Jeon, Sang Kyoung Han, Hae Hoon Lee
  • Publication number: 20220406844
    Abstract: A resistive memory device including a resistive memory pattern; and a selection element pattern electrically connected to the resistive memory pattern, the selection element pattern including a chalcogenide switching material and at least one metallic material, the chalcogenide switching material including germanium, arsenic, and selenium, and the at least one metallic material including aluminum, strontium, or indium, wherein the selection element pattern includes an inhomogeneous material layer in which content of the at least one metallic material in the selection element pattern is variable according to a position within the selection element pattern.
    Type: Application
    Filed: January 5, 2022
    Publication date: December 22, 2022
    Inventors: Chungman KIM, Bonwon KOO, Dongho AHN, Kiyeon YANG, Zhe WU, Chang Seung LEE
  • Patent number: 10157989
    Abstract: A method of manufacturing a graphene electronic device may include forming a metal compound layer and a catalyst layer on a substrate, the catalyst layer including a metal element in the metal compound layer, growing a graphene layer on the catalyst layer, and converting the catalyst layer into a portion of the metal compound layer.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: December 18, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Seung Lee, Sang Wook Kim, Seong Jun Park, David Seo, Young Jun Yun, Yung Hee Lee
  • Patent number: 9540234
    Abstract: A nanogap device which may include a first insulation layer having a nanopore formed therein, a first channel layer which may be on the first insulation layer, a first source electrode and a first drain electrode which may be respectively in contact with both ends of the first channel layer, a second insulation layer which may cover the first channel layer, the first source electrode, and the first drain electrode, and a first nanogap electrode which may be on the second insulation layer and may be divided into two parts with a nanogap, which faces the nanopore, interposed between the two parts.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: January 10, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-seung Lee, Yong-sung Kim, Jeo-young Shim, Joo-ho Lee
  • Publication number: 20160197122
    Abstract: Organic photoelectronic devices and image sensors including the organic photoelectronic devices, include a first light-transmitting electrode at a side where light enters, a second light-transmitting electrode opposite to the first light-transmitting electrode, an active layer between the first and second light-transmitting electrodes, and an ultraviolet (UV) ray blocking layer on the first light-transmitting electrode, wherein the ultraviolet (UV) ray blocking layer includes at least one metal oxide having a light transmittance of less than or equal to about 75% for light of less than or equal to about 380 nm.
    Type: Application
    Filed: July 8, 2015
    Publication date: July 7, 2016
    Inventors: Satoh RYUICHI, Kyu Sik KIM, Woo Young YANG, Yeon-Hee KIM, Yong-Young PARK, Xianyu WENXU, Chang Seung LEE, Yong Wan JIN
  • Patent number: 9293596
    Abstract: A graphene device may include a channel layer including graphene, a first electrode and second electrode on a first region and second region of the channel layer, respectively, and a capping layer covering the channel layer and the first and second electrodes. A region of the channel layer between the first and second electrodes is exposed by an opening in the capping layer. A gate insulating layer may be on the capping layer to cover the region of the channel layer, and a gate may be on the gate insulating layer.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: March 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wenxu Xianyu, Chang-youl Moon, Jeong-yub Lee, Chang-seung Lee
  • Patent number: 9257508
    Abstract: Transistors and methods of manufacturing the same may include a gate on a substrate, a channel layer having a three-dimensional (3D) channel region covering at least a portion of a gate, a source electrode over a first region of the channel layer, and a drain electrode over a second region of the channel layer.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-seung Lee, Joo-ho Lee, Yong-sung Kim, Jun-seong Kim, Chang-youl Moon
  • Patent number: 9214559
    Abstract: Graphene transferring members, graphene transferrer, methods of transferring graphene, and methods of fabricating a graphene device, may include a metal thin-film layer pattern and a graphene layer sequentially stacked on an adhesive member. The metal thin-film layer and the graphene layer may have the same shape. After transferring the graphene layer onto a transfer-target substrate during the fabrication of a graphene device, the metal thin-film layer is patterned to form electrodes on respective ends of the graphene layer by removing a portion of the metal thin-film layer.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: December 15, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-ho Lee, Chang-seung Lee, Yong-sung Kim, Hyun-jae Song
  • Patent number: 9196478
    Abstract: Graphene transferring methods, a device manufacturing method using the same, and substrate structures including graphene, include forming a catalyst layer on a first substrate, forming a graphene layer on the catalyst layer, forming a protection metal layer on the graphene layer, attaching a supporter to the protection metal layer, separating the first substrate from the catalyst layer such that the protection metal layer, the graphene layer, and the catalyst layer remain on the supporter, removing the catalyst layer from the supporter, and transferring the protection metal layer and the graphene layer from the supporter to a second substrate.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: November 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-ho Lee, Yong-sung Kim, Chang-youl Moon, Sung-hee Lee, Chang-seung Lee
  • Patent number: 9142639
    Abstract: A graphene electronic device includes: a first conductive layer and a semiconductor layer on a first region of an intermediate layer; a second conductive layer on a second region of the intermediate layer; a graphene layer on the intermediate layer, the semiconductor layer, and the second conductive layer; and a first gate structure and a second gate structure on the graphene layer.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: September 22, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-sung Kim, Chang-seung Lee, Joo-ho Lee
  • Patent number: 9130567
    Abstract: An inverter device including a tunable diode device and a diode device that includes a control terminal connected to an input terminal of the inverter device, an anode terminal connected to a high-level voltage terminal, and a cathode terminal connected to an output terminal of the inverter device, wherein the diode device is configured to turn on or off according to a voltage applied to the control terminal.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-jun Yun, Sang-wook Kim, Seong-jun Park, David Seo, Young-hee Yvette Lee, Chang-seung Lee
  • Publication number: 20150179814
    Abstract: A graphene device may include a channel layer including graphene, a first electrode and second electrode on a first region and second region of the channel layer, respectively, and a capping layer covering the channel layer and the first and second electrodes. A region of the channel layer between the first and second electrodes is exposed by an opening in the capping layer. A gate insulating layer may be on the capping layer to cover the region of the channel layer, and a gate may be on the gate insulating layer.
    Type: Application
    Filed: March 9, 2015
    Publication date: June 25, 2015
    Inventors: Wenxu XIANYU, Chang-youl MOON, Jeong-yub LEE, Chang-seung LEE
  • Patent number: 9054708
    Abstract: A touch sensor using a graphene diode and/or a touch panel including the touch sensor. The touch sensor includes a first sensing electrode configured to sense a touch; a first output line configured to transmit an electrical signal; and a first diode device including a first control terminal connected to the first sensing electrode, a first anode terminal connected to a voltage application unit, and a first cathode terminal connected to the first output line.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: June 9, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-wook Kim, Seong-jun Park, David Seo, Young-jun Yun, Yung-hee Yvette Lee, Chang-seung Lee
  • Patent number: 9041999
    Abstract: In one embodiment, the electrowetting device includes a first medium; a second medium that is not mixed with the first medium and has a refractive index different from a refractive index of the first medium; an upper electrode that adjusts an angle of a boundary surface between the first medium and the second medium; and a barrier wall that has a side surface surrounding the first and second mediums, allows the upper electrode to be disposed on a portion of the side surface, and has irregular widths.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki-deok Bae, Jun-sik Hwang, Chang-youl Moon, Yoon-sun Choi, Jung-mok Bae, Chang-seung Lee, Eok-su Kim
  • Patent number: 9040958
    Abstract: Transistors, and methods of manufacturing the transistors, include graphene and a material converted from graphene. The transistor may include a channel layer including graphene and a gate insulating layer including a material converted from graphene. The material converted from the graphene may be fluorinated graphene. The channel layer may include a patterned graphene region. The patterned graphene region may be defined by a region converted from graphene. A gate of the transistor may include graphene.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-seung Lee, Yong-sung Kim, Joo-ho Lee, Yong-seok Jung
  • Patent number: 9030187
    Abstract: A nanogap device includes a first insulation layer having a nanopore formed therein, a first nanogap electrode which may be formed on the first insulation layer and may be divided into two parts with a nanogap interposed between the two parts, the nanogap facing the nanopore, a second insulation layer formed on the first nanogap electrode, a first graphene layer formed on the second insulation layer, a first semiconductor layer formed on the first graphene layer, a first drain electrode formed on the first semiconductor layer, and a first source electrode formed on the first graphene layer such as to be apart from the first semiconductor layer.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-seung Lee, Yong-sung Kim, Jeo-young Shim, Joo-ho Lee