Patents by Inventor Chang Bum Kim

Chang Bum Kim 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: 20240123760
    Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicants: Hyundai Motor Company, KIA CORPORATION, Hyundai Sungwoo Casting Co., Ltd.
    Inventors: Jun Min LEE, Young Chan KIM, Min Soo KIM, Young Rae JO, Young Il KIM, Sang Bum PARK, Chang Hak YOO
  • 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
  • Publication number: 20240069669
    Abstract: A touch sensor includes: a display panel to display an image, and including at least three touch sensing areas; at least one slave processor connected to a second touch sensing area from among the at least three touch sensing areas, and to generate touch coordinate data for the second touch sensing area; and a plurality of master processors connected to first and third touch sensing areas from among the at least three touch sensing areas, and to generate touch coordinate data for the first and third touch sensing areas, respectively. The at least one slave processor is to transmit the touch coordinate data for at least the second touch sensing area to any one of the plurality of master processors, or to another adjacent slave processor.
    Type: Application
    Filed: April 13, 2023
    Publication date: February 29, 2024
    Inventor: Chang Bum KIM
  • Publication number: 20240055469
    Abstract: The present disclosure relates to a semiconductor device, and more particularly, relates to a non-volatile memory device having a three-dimensional structure. The non-volatile memory device according to an embodiment of the present disclosure includes a first chip having a peripheral circuit therein and a second chip that is stacked on the first chip and that includes memory blocks. The second chip includes a common source line that has a plate shape and extends in first and second directions, first and second dummy common source lines disposed at a same height level as the common source line, an upper insulating layer that covers the common source line and the first and second dummy common source lines, and first and second dummy contact plugs extending in a third direction and that are electrically connected to the first and second dummy common source lines, respectively, and used as electrodes of a vertical capacitor.
    Type: Application
    Filed: April 24, 2023
    Publication date: February 15, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang-Bum KIM, Cheon An LEE, Sukkang SUNG
  • Patent number: 11756944
    Abstract: A semiconductor wafer includes unit regions that are repeatedly arranged, and each unit region of the unit regions includes: at least one first chip region; and at least one second chip region spaced apart from the at least one first chip region by a scribe line, wherein a first area size of each of the at least one first chip region is different from a second area size of each of the at least one second chip region from a planar viewpoint.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Bum Kim, Sung Hoon Kim, Dae Seok Byeon
  • Publication number: 20230280870
    Abstract: A display device includes a display unit having a display area with a first hole formed therein, and an input sensing unit which is disposed on the display unit and having a second hole corresponding to the first hole. the input sensing unit includes a base layer which includes: an adjacent area adjacent to the second hole; and a sensing area overlapping the display area, detection electrodes disposed on the sensing area; and a first connection wiring disposed on the adjacent area and that electrically connects at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole. The display unit includes dams disposed adjacent to the first hole, each of the dams forming a closed loop along edges of the first hole. The first connection wiring overlaps at least one of the dams.
    Type: Application
    Filed: April 11, 2023
    Publication date: September 7, 2023
    Inventors: Chang Bum KIM, Hyung Chul Kim, Jung Mok Park, Young Sik Kim, Young Seok Yoo
  • Patent number: 11656730
    Abstract: A display device includes a display unit having a display area with a first hole formed therein, and an input sensing unit which is disposed on the display unit and having a second hole corresponding to the first hole, the input sensing unit includes a base layer which includes: an adjacent area adjacent to the second hole; and a sensing area overlapping the display area, detection electrodes disposed on the sensing area; and a first connection wiring disposed on the adjacent area and that electrically connects at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole. The display unit includes dams disposed adjacent to the first hole, each of the dams forming a closed loop along edges of the first hole. The first connection wiring overlaps at least one of the dams.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: May 23, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Bum Kim, Hyung Chul Kim, Jung Mok Park, Young Sik Kim, Young Seok Yoo
  • Patent number: 11545488
    Abstract: An integrated circuit includes; a substrate including a single active region, a first active resistor formed on the substrate, and a transistor including a first junction area in the single active region. The first active resistor and the transistor are electrically connected through the first junction area. The first active resistor is formed between a first node and a second node included in the first junction area. The first node is connected to a first contact, and the second node is connected to a second contact.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: January 3, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Bum Kim, Sunghoon Kim, Daeseok Byeon
  • Publication number: 20220229516
    Abstract: A display device includes a display unit having a display area with a first hole formed therein, and an input sensing unit which is disposed on the display unit and having a second hole corresponding to the first hole. the input sensing unit includes a base layer which includes: an adjacent area adjacent to the second hole; and a sensing area overlapping the display area, detection electrodes disposed on the sensing area; and a first connection wiring disposed on the adjacent area and that electrically connects at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole. The display unit includes dams disposed adjacent to the first hole, each of the dams forming a closed loop along edges of the first hole. The first connection wiring overlaps at least one of the dams.
    Type: Application
    Filed: February 4, 2022
    Publication date: July 21, 2022
    Inventors: Chang Bum KIM, Hyung Chul KIM, Jung Mok PARK, Young Sik KIM, Young Seok YOO
  • Publication number: 20220199647
    Abstract: A vertical memory device includes a gate line structure including a cell region in which a vertical channel structure is formed, and a first connection region and a second connection region which are respectively arranged at first and second ends of the cell region in a first direction. Each of the first connection region and the second connection region includes a first protrusion of the first gate line and a second protrusion of the second gate line which are parallel to a top surface of the substrate and arranged as steps in a second direction perpendicular to the first direction. The first protrusion of the second connection region is arranged diagonally from the first protrusion of the first connection region with respect to a center line of the cell region which is parallel to the first direction.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 23, 2022
    Inventors: Chang-Bum Kim, Sung-Hoon Kim
  • Publication number: 20220122967
    Abstract: An integrated circuit includes; a substrate including a single active region, a first active resistor formed on the substrate, and a transistor including a first junction area in the single active region. The first active resistor and the transistor are electrically connected through the first junction area. The first active resistor is formed between a first node and a second node included in the first junction area. The first node is connected to a first contact, and the second node is connected to a second contact.
    Type: Application
    Filed: April 7, 2021
    Publication date: April 21, 2022
    Inventors: CHANG-BUM KIM, SUNGHOON KIM, DAESEOK BYEON
  • Patent number: 11301074
    Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: April 12, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Nam Lee, Young Sik Kim, Hyun Jae Lee, Mi Young Kim, Sung Hwan Kim, Chang Bum Kim, Hyung Chul Kim
  • Patent number: 11282852
    Abstract: A vertical memory device includes a gate line structure including a cell region in which a vertical channel structure is formed, and a first connection region and a second connection region which are respectively arranged at first and second ends of the cell region in a first direction. Each of the first connection region and the second connection region includes a first protrusion of the first gate line and a second protrusion of the second gate line which are parallel to a top surface of the substrate and arranged as steps in a second direction perpendicular to the first direction. The first protrusion of the second connection region is arranged diagonally from the first protrusion of the first connection region with respect to a center line of the cell region which is parallel to the first direction.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: March 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Bum Kim, Sung-Hoon Kim
  • Patent number: 11243645
    Abstract: A display device is provided. The display device includes a display unit which includes a display area and a first hole formed in the display area; and an input sensing unit which is disposed on the display unit and comprises a second hole corresponding to the first hole, the input sensing unit further including: a base layer which includes: an adjacent area disposed adjacent to the second hole and a sensing area overlapping the display area and surrounding the adjacent area; detection electrodes which are disposed on the sensing area; and a first connection wiring which is disposed on the adjacent area, the first connection wire electrically connecting at least two detection electrodes spaced apart by the second hole, disposed at respective sides of the second hole.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: February 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Bum Kim, Hyung Chul Kim, Jung Mok Park, Young Sik Kim, Young Seok Yoo
  • Patent number: 11209940
    Abstract: A touch sensor includes a substrate, a touch input unit, a plurality of wires, and a pad unit. The touch input unit is disposed on the substrate and includes a plurality of sensing electrodes for sensing user touch. The pad unit includes a plurality of pads electrically connected to the sensing electrodes through the wires. The pads include a first pad. The first pad includes a first conductive film disposed on the substrate, an insulating film disposed on the first conductive film, and a second conductive film disposed on the insulating film. The insulating film includes a plurality of first-type holes and a plurality of second-type holes. Each first-type hole of the first-type holes is smaller than each second-type hole of the second-type holes.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: December 28, 2021
    Inventors: Chang Bum Kim, Jung Mok Park, Young Sik Kim, Choon Hyop Lee, Byeong Kyu Jeon
  • Patent number: 11177273
    Abstract: A nonvolatile memory device includes a substrate; a memory cell array formed on the substrate in a vertically stacked structure; and a row decoder configured to supply a row line voltage to the memory cell array, the row decoder including a plurality of pass transistors. The row line voltage is supplied through a plurality of row lines connecting the pass transistors to the memory cell array. Each of the row lines includes a wiring line parallel with a main surface of the substrate and a contact perpendicular to the main surface of the substrate. The wiring line of at least one row line among the row lines includes a plurality of conductive lines.
    Type: Grant
    Filed: June 3, 2018
    Date of Patent: November 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Bum Kim, Sung-Hoon Kim
  • Patent number: 11169629
    Abstract: A touch screen and a display device having the same are disclosed. The touch screen includes an insulating substrate including a sensing region and a peripheral region, a plurality of sensing electrodes disposed in the sensing region, a plurality of wirings disposed in the peripheral region and electrically connected to the plurality of sensing electrodes, a plurality of pads disposed in the peripheral region and electrically connected to the plurality of wirings, an optical film disposed on an upper portion of the plurality of sensing electrodes, a flexible circuit board electrically connected to the plurality of pads, and a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads, wherein a first height measured from the insulating substrate to an upper surface of the reinforcing member is equal to a second height measured from the insulating substrate to an upper surface of the optical film.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: November 9, 2021
    Inventors: Ji Yeon Baek, Mi Young Kim, Chang Bum Kim, Jung Mok Park, Young Seok Yoo, Byeong Kyu Jeon, Hee Yeon Choi
  • Publication number: 20210202456
    Abstract: A semiconductor wafer includes unit regions that are repeatedly arranged, and each unit region of the unit regions includes: at least one first chip region; and at least one second chip region spaced apart from the at least one first chip region by a scribe line, wherein a first area size of each of the at least one first chip region is different from a second area size of each of the at least one second chip region from a planar viewpoint.
    Type: Application
    Filed: September 17, 2020
    Publication date: July 1, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Bum KIM, Sung Hoon KIM, Dae Seok BYEON
  • Publication number: 20210165519
    Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.
    Type: Application
    Filed: January 19, 2021
    Publication date: June 3, 2021
    Inventors: In Nam Lee, Young Sik Kim, Hyun Jae Lee, Mi Young Kim, Sung Hwan Kim, Chang Bum Kim, Hyung Chul Kim
  • Patent number: 10928941
    Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Nam Lee, Young Sik Kim, Hyun Jae Lee, Mi Young Kim, Sung Hwan Kim, Chang Bum Kim, Hyung Chul Kim