Patents by Inventor Ku HYUN

Ku HYUN 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: 11971751
    Abstract: A method of manufacturing a display device, including: providing an object to be processed; forming a linear portion of the object to be processed by performing a first laser processing for the object to be processed; and forming a curved portion of the object to be processed by performing a second laser processing different from the first laser processing for the object to be processed. A laser processing apparatus, is also provided, including: an irradiation unit applying a laser onto an object to be processed; and a controller controlling an operation of the irradiation unit. The controller controls the irradiation unit to form a linear portion of the object to be processed by applying the laser onto the object according to a first condition and forming a curved portion of the object by applying the laser onto the object according to a second condition different from the first condition.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Geun Woo Yug, Ku Hyun Kang
  • Publication number: 20230236133
    Abstract: A drug capsule appearance inspection device is provided having a simplified structure so as to have the effect of inspecting the appearance of drug capsules more rapidly and efficiently and reducing costs. To this end, the device includes: a guide plate (10) having a plurality of capsule accommodating grooves (11) formed therein so that drug capsules (P) can be accommodated; and a bottom friction surface (20) that allows the drug capsules (P) to rotate by friction when the guide plate (10) moves horizontally.
    Type: Application
    Filed: January 20, 2023
    Publication date: July 27, 2023
    Inventor: Ku Hyun Lee
  • Patent number: 11693232
    Abstract: A laser beam irradiation apparatus includes a laser light source, a controller for controlling energy of light generated by the laser source, a first optical system for adjusting a shape of light that has passed through the controller, a scanner for adjusting the direction of light that has passed through the first optical system, and an F-theta lens for reducing a beam that has passed through the scanner.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyoo-Wan Han, Ku-Hyun Kang, Hae-Sook Lee, Jin-Hong Jeun, Kyoung-Seok Cho
  • Patent number: 11653539
    Abstract: A display device including a base substrate including a display area and a non-display area positioned at a side of the display area; at least one transistor in the display area of the base substrate and conductive lines in the non-display area of the base substrate; at least one light-emitting element in the display area that is coupled to the at least one transistor; an encapsulation layer covering the light-emitting element; a sensing electrode on the encapsulation layer and a sensing line on the encapsulation layer coupled to the sensing electrode; and an align mark on the encapsulation layer at least partially overlapping some of the conductive lines in the non-display area, in a plan view.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: May 16, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hoon Lim, Young Kwan Kim, Bo Hyuk Lee, Jin Hyeong Kim, Young Jin Oh, Ku Hyun Kang, Sung Jin Jang
  • Publication number: 20220190098
    Abstract: A display device including a base substrate including a display area and a non-display area positioned at a side of the display area; at least one transistor in the display area of the base substrate and conductive lines in the non-display area of the base substrate; at least one light- emitting element in the display area that is coupled to the at least one transistor; an encapsulation layer covering the light-emitting element; a sensing electrode on the encapsulation layer and a sensing line on the encapsulation layer coupled to the sensing electrode; and an align mark on the encapsulation layer at least partially overlapping some of the conductive lines in the non-display area, in a plan view.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: Sang Hoon Lim, Young Kwan Kim, Bo Hyuk Lee, Jin Hyeong Kim, Young Jin Oh, Ku Hyun Kang, Sung Jin Jang
  • Patent number: 11271069
    Abstract: A display device includes: a base substrate including a display area and a non-display area positioned at a side of the display area; at least one transistor in the display area of the base substrate and conductive lines in the non-display area of the base substrate; at least one light-emitting element in the display area that is coupled to the at least one transistor; an encapsulation layer covering the light-emitting element; a sensing electrode on the encapsulation layer and a sensing line on the encapsulation layer coupled to the sensing electrode; and an align mark on the encapsulation layer at least partially overlapping some of the conductive lines in the non-display area, in a plan view.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: March 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hoon Lim, Young Kwan Kim, Bo Hyuk Lee, Jin Hyeong Kim, Young Jin Oh, Ku Hyun Kang, Sung Jin Jang
  • Patent number: 11251236
    Abstract: A display device and a method configured to inspect alignment in which the display device includes a substrate having a hole, a non-display area surrounding the hole, and a display area surrounding the non-display area; a display unit disposed on the substrate and having pixels disposed in the display area; and sensing electrodes disposed in the display area and a first alignment mark disposed in the non-display area on the display unit.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: February 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hoon Lim, Jin Hyeong Kim, Young Jin Oh, Kyung Ha Choi, Ku Hyun Kang, Hee Cheol Im, Ho Yun Kang, Jae Young Kim
  • Publication number: 20210210565
    Abstract: A display device and a method configured to inspect alignment in which the display device includes a substrate having a hole, a non-display area surrounding the hole, and a display area surrounding the non-display area; a display unit disposed on the substrate and having pixels disposed in the display area; and sensing electrodes disposed in the display area and a first alignment mark disposed in the non-display area on the display unit.
    Type: Application
    Filed: July 28, 2020
    Publication date: July 8, 2021
    Inventors: Sang Hoon Lim, Jin Hyeong Kim, Young Jin Oh, Kyung Ha Choi, Ku Hyun Kang, Hee Cheol Im, Ho Yun Kang, Jae Young Kim
  • Publication number: 20210141421
    Abstract: A method of manufacturing a display device, including: providing an object to be processed; forming a linear portion of the object to be processed by performing a first laser processing for the object to be processed; and forming a curved portion of the object to be processed by performing a second laser processing different from the first laser processing for the object to be processed. A laser processing apparatus, is also provided, including: an irradiation unit applying a laser onto an object to be processed; and a controller controlling an operation of the irradiation unit. The controller controls the irradiation unit to form a linear portion of the object to be processed by applying the laser onto the object according to a first condition and forming a curved portion of the object by applying the laser onto the object according to a second condition different from the first condition.
    Type: Application
    Filed: December 17, 2020
    Publication date: May 13, 2021
    Inventors: Geun Woo YUG, Ku Hyun KANG
  • Patent number: 10901463
    Abstract: A display device including a linear portion and a curved portion, including a first substrate including a first surface and a second surface opposite the first surface; a second substrate including a third surface and a fourth surface opposite the third surface; and a display panel disposed between the first surface of the first substrate and the fourth surface of the second substrate. An outer surface adjacent to the first surface of the first substrate protrudes outward from an outer surface adjacent to the second surface of the first substrate, and a first width of a region of the first surface of the first substrate that does not overlap with the second surface in the linear portion is greater than a second width of a region of the first surface of the first substrate that does not overlap with the second surface of the first substrate in the curved portion.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Geun Woo Yug, Ku Hyun Kang
  • Publication number: 20200365676
    Abstract: A display device includes: a base substrate including a display area and a non-display area positioned at a side of the display area; at least one transistor in the display area of the base substrate and conductive lines in the non-display area of the base substrate; at least one light-emitting element in the display area that is coupled to the at least one transistor; an encapsulation layer covering the light-emitting element; a sensing electrode on the encapsulation layer and a sensing line on the encapsulation layer coupled to the sensing electrode; and an align mark on the encapsulation layer at least partially overlapping some of the conductive lines in the non-display area, in a plan view.
    Type: Application
    Filed: May 5, 2020
    Publication date: November 19, 2020
    Inventors: Sang Hoon LIM, Young Kwan KIM, Bo Hyuk LEE, Jin Hyeong KIM, Young Jin OH, Ku Hyun KANG, Sung Jin JANG
  • Patent number: 10784409
    Abstract: An embodiment provides a semiconductor element, which comprises: a plurality of semiconductor structures, each of which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a first recess extending through the second conductive semiconductor layer and the active layer to a partial area of the first conductive semiconductor layer; a second recess disposed between the plurality of semiconductor structures; a first electrode disposed at the first recess and electrically connected to the first conductive semiconductor layer; a reflective layer disposed under the second conductive semiconductor layer; and a protrusion part disposed on the second recess and protruding higher than the upper surfaces of the semiconductor structures, wherein a surface, on which the first electrode contacts the first conductive semiconductor layer in the first recess, is 300
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: September 22, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jun Seok Seong, Byeong Kyun Choi, Ku Hyun
  • Patent number: 10620136
    Abstract: A patterning apparatus includes a laser generator, at least one lens, a detector, and a controller. The laser generator generates a first laser beam and a second laser beam having different intensities. The at least one lens irradiates the first laser beam to form a pattern in a substrate, irradiates a second laser beam to determine a defect of the pattern, and condenses reflected beams generated as the second laser beam is reflected from the substrate. The detector converts the reflected beams to electrical signals. The controller determines a defect of the pattern based on the electrical signals.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Alexander Voronov, Gyoo Wan Han, Ku Hyun Kang
  • Publication number: 20200066938
    Abstract: An embodiment provides a semiconductor element, which comprises: a plurality of semiconductor structures, each of which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a first recess extending through the second conductive semiconductor layer and the active layer to a partial area of the first conductive semiconductor layer; a second recess disposed between the plurality of semiconductor structures; a first electrode disposed at the first recess and electrically connected to the first conductive semiconductor layer; a reflective layer disposed under the second conductive semiconductor layer; and a protrusion part disposed on the second recess and protruding higher than the upper surfaces of the semiconductor structures, wherein a surface, on which the first electrode contacts the first conductive semiconductor layer in the first recess, is 300
    Type: Application
    Filed: November 10, 2017
    Publication date: February 27, 2020
    Inventors: Jun Seok SEONG, Byeong Kyun CHOI, Ku HYUN
  • Publication number: 20190369667
    Abstract: A display device including a linear portion and a curved portion, including a first substrate including a first surface and a second surface opposite the first surface; a second substrate including a third surface and a fourth surface opposite the third surface; and a display panel disposed between the first surface of the first substrate and the fourth surface of the second substrate. An outer surface adjacent to the first surface of the first substrate protrudes outward from an outer surface adjacent to the second surface of the first substrate, and a first width of a region of the first surface of the first substrate that does not overlap with the second surface in the linear portion is greater than a second width of a region of the first surface of the first substrate that does not overlap with the second surface of the first substrate in the curved portion.
    Type: Application
    Filed: March 19, 2019
    Publication date: December 5, 2019
    Inventors: Geun Woo YUG, Ku Hyun Kang
  • Patent number: 10204590
    Abstract: A pixel unit includes: a pixel electrode; a first switching unit, including a first gate electrode, a first source electrode and a first drain electrode which are electrically connected with a gate line, a first data line and the pixel electrode respectively; and a second switching unit, including a second gate electrode, a second source electrode and a second drain electrode which are electrically connected with the gate line, a second data line and the pixel electrode respectively. A difference value between a first jumping voltage and a second jumping voltage is in a range from ?0.5 to 0.5 volts, the first jumping voltage is a jumping voltage produced when the first switching unit is changed from an on state to an off state, and the second jumping voltage is a jumping voltage produced when the second switching unit is changed from the on state to the off state.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Ku Hyun Park
  • Patent number: 10179611
    Abstract: The present invention provides a hood for a vehicle, the hood including an outer panel and an inner panel. The outer panel is made of a first composite material and has a multi-layered structure formed by stacking a plurality of reinforcing fiber layers arranged in a predetermined direction. The inner panel is made of a second composite material, has a multi-layered structure formed by stacking a plurality of reinforcing fiber layers in a predetermined direction, and is combined with the outer panel. The reinforcing fibers of at least a pair of reinforcing fiber layers facing each other of the outer panel and of the inner panel are arranged in the same direction and form a predetermined angle with a virtual line extending through both longitudinal ends of the outer panel or the inner panel.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: January 15, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS COMPANY, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Byeung Gun Nam, Jae Young Lim, Hak Sung Kim, Do Hyoung Kim, Ku Hyun Jung, In Gyu Lee, Dong Hyun Kim, Dug Joong Kim
  • Patent number: 10140934
    Abstract: A pixel unit, a display device and a driving method thereof are provided. The display unit includes at least four sub-pixels, wherein three sub-pixels are polygonal, while the other at least one sub-pixel is disposed in a gap enclosed by the three polygonal sub-pixels.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: November 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaobin Yin, Ku Hyun Park, Dongling Sun
  • Publication number: 20180149604
    Abstract: A patterning apparatus includes a laser generator, at least one lens, a detector, and a controller. The laser generator generates a first laser beam and a second laser beam having different intensities. The at least one lens irradiates the first laser beam to form a pattern in a substrate, irradiates a second laser beam to determine a defect of the pattern, and condenses reflected beams generated as the second laser beam is reflected from the substrate. The detector converts the reflected beams to electrical signals. The controller determines a defect of the pattern based on the electrical signals.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 31, 2018
    Inventors: Alexander VORONOV, Gyoo Wan HAN, Ku Hyun KANG
  • Patent number: 9983433
    Abstract: A transflective liquid crystal display (LCD) panel, a display device and an array substrate are disclosed. The display panel includes a first substrate, a second substrate arranged opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate and the second substrate include a transmissive area and a reflective area, and the cell gaps of the transmissive area and the reflective area are unequal to each other.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: May 29, 2018
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ku Hyun Park