Patents by Inventor In Hwan CHA

In Hwan CHA 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: 20240153792
    Abstract: An apparatus and method for processing a substrate can reduce the concentration of process by-products in a chemical solution.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 9, 2024
    Applicants: SEMES CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Jung KIM, Jin Ah HAN, Hee Hwan KIM, Yong Hoon HONG, Kyoung Suk KIM, Jong Hyeok PARK, Jin Hyung PARK, Dae Hyuk CHUNG, Ji Hoon CHA
  • Publication number: 20240149837
    Abstract: A sensor cleaning apparatus for a vehicle includes: a sensor housing in which a driver and a sensor are mounted, a cover part configured to rotate and exposed to the outside of the sensor housing through an open region formed on a front surface of the sensor housing, and a blade part connected to the cover part. The blade is rotated as the driver is driven and provided to allow air generated by its rotation to flow toward a front surface and a rear surface of the cover.
    Type: Application
    Filed: June 13, 2023
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DY AUTO Corporation
    Inventors: Sang Heon Wang, Nak Kyoung Kong, Dong Eun Cha, Kyung Hwan Kim, Jung Kwan Choi
  • Publication number: 20240140078
    Abstract: A textile fabric includes a textile fabric layer, a transparent film layer provided on the textile fabric layer, and a surface layer disposed on the transparent film layer. The transparent film layer has a two-layer structure including a first film layer having a first polyetherester-based copolymer and a second film layer having a second polyetherester-based copolymer disposed on the first film layer. The second film layer is provided on the textile fabric layer. A method of manufacturing the fabric includes preparing the textile fabric layer, forming the transparent film layer on the fabric layer, and laminating the textile fabric and transparent film layers through heat treatment.
    Type: Application
    Filed: June 16, 2023
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, TKG ECO MATERIAL CO., LTD.
    Inventors: Hyun Dae Cho, Myoung Ryoul Lee, Seul Yi, Gu Hwan Kim, Jin Hun Cha
  • Publication number: 20240136488
    Abstract: A pixel may include: an emission area and a non-emission area; a first bank in the non-emission area, the first bank including an opening corresponding to the emission area; a first electrode, a second electrode, and an intermediate electrode that are spaced from each other; light emitting elements in the emission area, each of the light emitting elements including one end portion electrically connected to one of the first electrode, the second electrode, or the intermediate electrode and an other end portion electrically connected to another one of the first electrode, the second electrode, or the intermediate electrode; and a sub-bank located in the opening of the first bank, the sub-bank being spaced from the first bank. The intermediate electrode may be around at least a portion of the sub-bank.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Inventors: Jin Taek KIM, Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Yong Tae CHO, Jong Hwan CHA
  • Publication number: 20240119994
    Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Inventors: Seung-Hwan KIM, Su-Ock CHUNG, Seon-Yong CHA
  • Publication number: 20240120346
    Abstract: A display device includes a display area, a non-display area, a pixel circuit including a thin film transistor, a gate driver in the non-display area for supplying a gate signal to the pixel circuit, a via layer above the pixel circuit and the gate driver, first and second electrodes above the via layer in the display area, and extending substantially in parallel with each other, a light-emitting element between the first electrode and the second electrode, a first contact electrode connected to one end of the light-emitting element, and a protective metal layer overlapping the gate driver, and including a first layer at a same layer as the first electrode and the second electrode, the first layer defining first holes, and a second layer at a same layer as the first contact electrode, at least partially filling the first holes, and contacting an upper surface of the via layer.
    Type: Application
    Filed: August 25, 2023
    Publication date: April 11, 2024
    Inventors: Jong Hwan PARK, Ki Nyeng KANG, Jong Hwan CHA
  • Publication number: 20240109518
    Abstract: An apparatus for cleaning a sensor includes: at least one fluid flow path unit assembled and arranged to correspond to a size and a field of view (FOV) region of a sensor unit and formed with a spray flow path for flowing a fluid supplied through an inlet nozzle, a cover unit coupled to each of the fluid flow path units to shield an opened upper surface of the fluid flow path unit, and a spray nozzle unit selectively coupled to the cover unit and formed so that the fluid flowing along the spray flow path is sprayed toward the FOV region.
    Type: Application
    Filed: February 23, 2023
    Publication date: April 4, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Kyung Hwan Kim, Sang Heon Wang, Dong Eun Cha, Nak Kyoung Kong
  • Patent number: 11937765
    Abstract: A cleaning apparatus including a vacuum cleaner and a docking station is provided. The cleaning apparatus includes a vacuum cleaner including a dust collecting chamber in which foreign substances are collected, and a docking station configured to be connected to the dust collecting chamber to remove the foreign substances collected in the dust collecting chamber. The dust collecting chamber is configured to collect foreign substances through centrifugation, and configured to be docked to the docking station, and the docking station includes a suction device configured to suction the foreign substances and air in the dust collecting chamber docked to the docking station.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: See Hyun Kim, In Gyu Choi, Ki Hwan Kwon, Shin Kim, Hyeon Cheol Kim, Do Kyung Lee, Hyun Ju Lee, Yun Soo Jang, Seung Ryong Cha, Jung Gyun Han
  • Patent number: 11925267
    Abstract: The present disclosure provides a foldable bed frame and associated methods for deploying the foldable bed frame. The bed frame may comprise one or more supporting members for supporting at least a portion of the bed frame, wherein the one or more supporting members comprise: a first bar comprising an opening; a second bar comprising a groove having a first end and a second end; and a locking mechanism comprising an elastic element and a pin. The pin may be inserted into (i) the opening of the first bar and (ii) the groove of the second bar to couple the first and second bars together. The first and second bars may be movable relative to each other when the pin is moved from a first position to a second position in response to a force applied to the elastic element.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: March 12, 2024
    Assignee: ZINUS INC.
    Inventors: Young Do Jung, Doo Hwan Cha
  • Publication number: 20240069100
    Abstract: Designs of thermo-hygrostat devices capable of uniformly maintain temperature and humidity inside a chamber are disclosed. One example of such a device can include, among others, a chamber in which a sample is accommodated and internal temperature and humidity can be controlled; a lower duct provided on a first side of the chamber and sending a fluid inside the chamber to an outside of the chamber; a temperature and humidity control portion provided on the lower duct and controlling temperature and humidity of a fluid received from the lower duct.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 29, 2024
    Inventors: Jeong Hwan LEE, Ji Seok LEE, Yu Geun KWON, Hye Lim DO, Seok Ha PARK, Hyeon Seok CHA
  • Publication number: 20240038937
    Abstract: A display device including a substrate, a first electrode and a second electrode on the substrate, extending parallel to each other along a first direction, and spaced from each other in a second direction intersecting the first direction, a plurality of light emitting elements on the first electrode and the second electrode, a first insulating layer partially covering upper surfaces of the light emitting elements, a first connection electrode on the plurality of light emitting elements and the first insulating layer, the first connection electrode being in contact with an end of each of the plurality of light emitting elements, a second insulating layer on the first connection electrode, a second connection electrode on the second insulating layer, the second connection electrode being in contact with an other end of each of the plurality of light emitting elements, and a first dummy electrode overlapping the first connection electrode.
    Type: Application
    Filed: June 22, 2023
    Publication date: February 1, 2024
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Jong Hwan CHA
  • Publication number: 20230343913
    Abstract: A display device includes a first pixel, a second pixel, and a third pixel, each disposed on a substrate and including a pixel circuit, a first metal line disposed at a first metal layer on the substrate, extending in a first direction on a first side of the pixel circuits of the first to third pixels, and electrically connected to at least one of the pixel circuits of the first to third pixels, a second metal line disposed at a second metal layer on the first metal layer, extending in the first direction on a first side of the first metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels, and a third metal line disposed at the first metal layer, extending in the first direction on a first side of the second metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels. Each of the first to third metal lines supplies a voltage to at least one of the pixel circuits of the first to third pixels.
    Type: Application
    Filed: January 5, 2023
    Publication date: October 26, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hwan CHA, Kwang Taek HONG, Ki Nyeng KANG, Hong Joon MOON
  • Publication number: 20230321711
    Abstract: An apparatus for roll stamping that is capable of expanding a shape range of a product without limitation due to, for example, a radius of curvature or a height of a variable section includes: an inclined roll set including a first rotation roll and a second rotation roll rotating while facing each other, have fixed positions and angles, and are inclined with respect to a traveling material, in which a first forming portion for forming the material is formed on an outer surface of the first rotation roll, the first forming portion includes a first circumferential groove portion inclined at an oblique angle rather than a right angle with respect to a rotation shaft of the first rotation roll.
    Type: Application
    Filed: August 27, 2021
    Publication date: October 12, 2023
    Applicant: POSCO Co., Ltd
    Inventors: Don-Gun Kim, Myung-Hwan Cha
  • Patent number: 11763812
    Abstract: Provided are an image display apparatus and a method of controlling the same. The image display apparatus enabling voice recognition includes: a first voice inputter which receives a user-side audio signal; an audio outputter which outputs an audio signal processed by the image display apparatus; a first voice recognizer which recognizes the user-side audio signal received through the first voice inputter; and a controller which decreases a volume of the audio signal output through the audio outputter to a predetermined level if a voice recognition start command is received.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Gyu Bae, Tae Hwan Cha, Ho Jeong You
  • Publication number: 20230290790
    Abstract: A display device includes pixels. Each of the pixels includes electrodes disposed on a base layer; a first insulating layer disposed on the electrodes; a light emitting element disposed on the first insulating layer; a bank disposed on the first insulating layer and protruding in a thickness direction of the base layer; and a second insulating layer, at least a portion of the second insulating layer being disposed on the first insulating layer. At least part of the electrodes of a pixel among the pixels are spaced apart from at least part of the electrodes of another pixel adjacent to the pixel with an open area being disposed between the electrodes. The first insulating layer includes a first opening overlapping the open area in a plan view, and the second insulating layer includes a second opening overlapping the open area in a plan view.
    Type: Application
    Filed: September 15, 2022
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ock Soo SON, Ki Nyeng KANG, Jong Hwan CHA
  • Publication number: 20230282681
    Abstract: A display device includes electrodes disposed in a display area and spaced apart from each other, light emitting elements disposed between the electrodes, conductive lines disposed in a non-display area and electrically connected to the electrodes, and dummy pixels disposed on the conductive lines. The dummy pixels each may include dummy partition walls spaced apart from each other, and dummy electrodes disposed on the partition walls and spaced apart from each other.
    Type: Application
    Filed: February 15, 2023
    Publication date: September 7, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Hee KIM, Ki Nyeng KANG, In Pyo KIM, Jeong Kook WANG, Hyo Jeong LEE, Jong Hwan CHA
  • Publication number: 20230275191
    Abstract: A display device includes a substrate including a first light emitting area, a second light emitting area, and a third light emitting area; first banks spaced apart from each other on the substrate; first electrodes and second electrodes disposed on the first bank, covering the first bank, and spaced apart from each other; light emitting elements respectively disposed on the first electrodes and the second electrodes; and second banks respectively disposed on the first electrodes and the second electrodes, the second banks include a second-first bank defining the first light emitting area, a second-second bank defining the second light emitting area, and a second-third bank defining the third light emitting area, and a size of the second-first bank, a size of the second-second bank, and a size of the second-third bank are different from each other in a plan view.
    Type: Application
    Filed: October 19, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Jong Hwan CHA
  • Publication number: 20230260981
    Abstract: A display device includes first group electrodes and the second group electrodes spaced apart from second group electrodes in a first direction, respectively, light emitting elements disposed on the first group electrodes and the second group electrodes, a first connection electrode and a second connection electrode disposed on the first group electrodes and extending in the first direction, a third connection electrode and a fourth connection electrode disposed on the first group electrodes and the second group electrodes and extending in the first direction, and a fifth connection electrode disposed on at least two electrodes of the second group electrodes and spaced apart from the first connection electrode and the second connection electrode in the first direction. Each of the first connection electrode, the second connection electrode, and the fifth connection electrode is disposed between the third connection electrode and the fourth connection electrode in a second direction.
    Type: Application
    Filed: September 13, 2022
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, Ock Soo SON, Jong Hwan CHA
  • Publication number: 20230261143
    Abstract: A display device includes: a first substrate; a first conductive layer including a first voltage line and a second voltage line on the first substrate; a first transistor on the first conductive layer and electrically connected to the first voltage line; a plurality of first banks on the first transistor and spaced apart from each other; a first electrode on the plurality of first banks and electrically connected to the first transistor, and a second electrode on the plurality of first banks and electrically connected to the second voltage line; a plurality of light-emitting diodes on the first electrode and the second electrode; and a first contact electrode coming into contact with an end portion of each of the light-emitting diodes and on the first electrode, and a second contact electrode coming into contact with another end portion of each of the light-emitting diodes and on the second electrode.
    Type: Application
    Filed: September 7, 2021
    Publication date: August 17, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Hwan CHA, Seung Jin CHU, Je Min LEE
  • Publication number: 20230253413
    Abstract: Provided herein is a display device and a method of fabricating the display device. The display device includes a substrate including a display area and a non-display area, a via layer disposed in the display area, electrodes disposed on the via layer and spaced apart from each other, light emitting elements disposed between the electrodes, dummy pattern layers disposed in the non-display area, and dummy electrodes disposed on the dummy pattern layers. The via layer and the dummy pattern layers may be disposed on a same layer. The electrodes and the dummy electrodes may be disposed on a same layer.
    Type: Application
    Filed: January 11, 2023
    Publication date: August 10, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Veidhes BASRUR, Ki Nyeng KANG, In Pyo KIM, Ock Soo SON, Jong Hwan CHA