Patents by Inventor Hyun Wook Kang

Hyun Wook Kang 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: 11563074
    Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: January 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Tae Wook Kang, Sang Gun Choi, Shin Il Choi, Yun Jung Oh, Myoung Geun Cha
  • Patent number: 11557741
    Abstract: A photoelectric conversion device includes a first electrode and a second electrode facing each other, a photoelectric conversion layer between the first electrode and the second electrode and configured to absorb light in at least one part of a wavelength spectrum of light and to convert it into an electric signal, and an organic auxiliary layer between the first electrode and the photoelectric conversion layer and having a higher charge mobility than a charge mobility of the photoelectric conversion layer. An organic sensor may include the photoelectric conversion device. An electronic device may include the organic sensor.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Joon Heo, Kyung Bae Park, Hyun Bum Kang, Sung Jun Park, Jeong Il Park, Chul Baik, Ji Soo Shin, Sung Young Yun, Gae Hwang Lee, Don-Wook Lee, Eun Kyung Lee, Yong Wan Jin, Yeong Suk Choi, Taejin Choi
  • Publication number: 20220384748
    Abstract: A method for manufacturing a display apparatus according to an embodiment includes: preparing a carrier substrate and forming a sacrificial layer on a top surface of the carrier substrate, where the sacrificial layer includes a cover area and an exposure area located on at least one side of the cover area; forming a first flexible material having a bottom surface in contact with the sacrificial layer on a top surface of the cover area of the sacrificial layer to expose the exposure area of the sacrificial layer; and removing the exposure area of the sacrificial layer.
    Type: Application
    Filed: February 14, 2020
    Publication date: December 1, 2022
    Inventors: Hyun Seok KIM, Hee Kyun SHIN, Jun Ho SIM, Tae Wook KANG, Woo Jin CHO
  • Patent number: 11502144
    Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Tae Wook Kang, Tae Sung Kim, Dae Won Choi, Sang Gab Kim
  • Publication number: 20220336973
    Abstract: Disclosed is a cable adaptor comprising a first member which is conductive and comes into contact with a signal pin of the cable, a second member disposed outside the first member and coupled to the first member, a third member which is conductive and disposed outside the second member, and a contact pin fixed to the first member. Here, the first member includes a first body coupled to the second member and a first contact portion which extends from the first body and comes into contact with the signal pin. The third member includes a second body coupled to the second member and a second contact portion which extends from the second body and comes into contact with the outer conductor. A plurality of first contact points of the signal pin and the first contact portion are arranged at same intervals along a circumferential direction of the signal pin.
    Type: Application
    Filed: April 13, 2022
    Publication date: October 20, 2022
    Inventors: Byoung Nam KIM, Kyoung Il KANG, Jin Woo LEE, Jin Kook JUN, Sung Gyu PARK, Hyun Duk KIM, Jong Wook HAM, Sang Woo HAN
  • Publication number: 20220337008
    Abstract: Disclosed is a cable adaptor which is connected to a cable including an outer conductor. The adaptor includes a contact pin which comes into contact with a signal pin of the cable, a first member which is conductive and disposed inside and coupled to the contact pin, a second member disposed outside and coupled to the contact pin, and a third member which is conductive and disposed outside the second member. Here, the contact pin includes a first body coupled to the second member, a first contact portion which is conductive and extends from one side of the first body to come into contact with the signal pin, and a second contact portion which extends from the other side of the first body and comes into contact with an object being tested. The third member includes a second body coupled to the second member and a third contact portion.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 20, 2022
    Inventors: Byoung Nam KIM, Kyoung Il KANG, Jin Woo LEE, Jin Kook JUN, Sung Gyu PARK, Hyun Duk KIM, Jong Wook HAM, Sang Woo HAN
  • Publication number: 20220328726
    Abstract: A manufacturing method of a display device and a display device are provided. A manufacturing method of a display device includes: preparing a substrate including a light emitting area and a non-light emitting area; arranging a first electrode, a second electrode, a first uncut electrode, and a second uncut electrode on the substrate; forming a bank in the non-light emitting area of the substrate; arranging a light emitting element in the light emitting area of the substrate; removing at least a portion of each of the first uncut electrode and the second uncut electrode; arranging a first contact electrode electrically connecting the light emitting element and the first electrode; and arranging a second contact electrode electrically connecting the light emitting element and the second electrode, and the at least the portion of each of the first uncut electrode and the second uncut electrode is removed within an open area.
    Type: Application
    Filed: March 21, 2022
    Publication date: October 13, 2022
    Inventors: Jong Chan LEE, Cheol Ku KANG, Hyun KIM, Jeong Su PARK, Myeong Hun SONG, Hyun Wook LEE
  • Publication number: 20220322168
    Abstract: The objective of the present invention is to provide services by effectively switching, by a terminal, a macro cell and a small cell on the basis of time in a communication system in which the macro cell and the small cell coexist. A method for operating a terminal in a wireless communication system comprises the steps of: transmitting, to a first base station and/or a second base station, information on a switching delay time required for the terminal to perform cell switching; and communicating through a resource of the first base station and a resource of the second base station which are allocated by considering the switching delay time.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 6, 2022
    Inventors: Hyun-Jeong Kang, Sun-Heui Ryoo, Jung-Soo Jung, Sang-Wook Kwon, Jong-Hyung Kwun, Suk-Won Kim, June Hwang
  • Publication number: 20220279604
    Abstract: A 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE is provided. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventors: Young-Bin CHANG, Anil AGIWAL, Sang-Wook KWON, Hyun-Jeong KANG, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK, June HWANG
  • Publication number: 20220262922
    Abstract: A method of manufacturing a high-electron-mobility transistor device is provided. The method includes sequentially forming a transition layer and a semiconductor layer on a substrate, etching a portion of a surface of the semiconductor layer to form a barrier layer region having a certain depth and forming a barrier layer in the barrier layer region, forming a source electrode and a drain electrode on a 2-dimensional electron gas (2-DEG) layer upward exposed at a surface of the semiconductor layer, in defining the 2-DEG layer formed along an interface between the semiconductor layer and the barrier layer, forming a passivation layer on the semiconductor layer, the barrier layer, the source electrode, and the drain electrode and etching a portion of the passivation layer to upward expose the source electrode, the drain electrode, and the barrier layer, and forming a gate electrode on the upward exposed barrier layer.
    Type: Application
    Filed: February 14, 2022
    Publication date: August 18, 2022
    Inventors: Soo Cheol KANG, Hyun Wook JUNG, Seong Il KIM, Hae Cheon KIM, Youn Sub NOH, Ho Kyun AHN, Sang Heung LEE, Jong Won LIM, Sung Jae CHANG, Il Gyu CHOI
  • Publication number: 20220029376
    Abstract: A laser resonator includes a gain medium that produces light from pump energy and a variable light attenuator, which receives light and emits either (i) a first light including a continuous series of micropulses, or (ii) a second light including a series of macropulses at spaced time intervals, where each macropulse includes a series of micropulses. Each micropulse has a duration of 0.1 to 10 microseconds, and a duration of each macropulse is less than the time interval between each macropulse, and the micropulses have a frequency of 5 kHz to 40 kHz.
    Type: Application
    Filed: October 12, 2021
    Publication date: January 27, 2022
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Hyun Wook KANG, Raymond Adam NEMEYER, Michael Ray HODEL
  • Patent number: 11197717
    Abstract: The present invention provides an optical irradiation apparatus including: a dual laser light source unit which simultaneously or selectively outputs multiple light sources created with different outputs; an optical fiber which is connected to the dual laser light source unit, receives the light outputted from the dual laser light source unit, and emits the received light through an embossed end surface; and an inflatable balloon catheter which is formed to surround the embossed end surface of the optical fiber and expands constricted tissue. With the present invention, it is possible to effectively treat constricted tissue during a procedure of performing an anticancer therapy on entire human bodies with various types of cancers, and it is possible to mitigate patient's pain by reducing a relapse rate of stenosis after the photothermal therapy.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: December 14, 2021
    Assignees: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Hyun Wook Kang, Don Haeng Lee, Seok Jeong
  • Patent number: 11166763
    Abstract: A laser resonator includes a gain medium that produces light from pump energy and a variable light attenuator, which receives light and emits either (i) a first light including a continuous series of micropulses, or (ii) a second light including a series of macropulses at spaced time intervals, where each macropulse includes a series of micropulses. Each micropulse has a duration of 0.1 to 10 microseconds, and a duration of each macropulse is less than the time interval between each macropulse, and the micropulses have a frequency of 5 kHz to 40 kHz.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: November 9, 2021
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Hyun Wook Kang, Raymond Adam Nemeyer, Michael Ray Hodel
  • Publication number: 20210252188
    Abstract: A method of making an organ or tissue comprises: (a) providing a first dispenser containing a structural support polymer and a second dispenser containing a live cell-containing composition; (b) depositing a layer on said support from said first and second dispenser, said layer comprising a structural support polymer and said cell-containing composition; and then (c) iteratively repeating said depositing step a plurality of times to form a plurality of layers one on another, with separate and discrete regions in each of said layers comprising one or the other of said support polymer or said cell-containing composition, to thereby produce provide a composite three dimensional structure containing both structural support regions and cell-containing regions. Apparatus for carrying out the method and composite products produced by the method are also described.
    Type: Application
    Filed: April 22, 2021
    Publication date: August 19, 2021
    Inventors: Hyun-Wook Kang, Sang Jin Lee, Anthony Atala, James J. Yoo
  • Publication number: 20210153938
    Abstract: The present invention provides an optical irradiation apparatus including: a dual laser light source unit which simultaneously or selectively outputs multiple light sources created with different outputs; an optical fiber which is connected to the dual laser light source unit, receives the light outputted from the dual laser light source unit, and emits the received light through an embossed end surface; and an inflatable balloon catheter which is formed to surround the embossed end surface of the optical fiber and expands constricted tissue. With the present invention, it is possible to effectively treat constricted tissue during a procedure of performing an anticancer therapy on entire human bodies with various types of cancers, and it is possible to mitigate patient's pain by reducing a relapse rate of stenosis after the photothermal therapy.
    Type: Application
    Filed: October 31, 2018
    Publication date: May 27, 2021
    Applicants: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, INHA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Hyun Wook KANG, Don Haeng LEE, Seok JEONG
  • Patent number: 11013825
    Abstract: A method of making an organ or tissue comprises: (a) providing a first dispenser containing a structural support polymer and a second dispenser containing a live cell-containing composition; (b) depositing a layer on said support from said first and second dispenser, said layer comprising a structural support polymer and said cell-containing composition; and then (c) iteratively repeating said depositing step a plurality of times to form a plurality of layers one on another, with separate and discrete regions in each of said layers comprising one or the other of said support polymer or said cell-containing composition, to thereby produce provide a composite three dimensional structure containing both structural support regions and cell-containing regions. Apparatus for carrying out the method and composite products produced by the method are also described.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: May 25, 2021
    Assignee: Wake Forest University Health Sciences
    Inventors: Hyun-Wook Kang, Sang Jin Lee, Anthony Atala, James J. Yoo
  • Publication number: 20210098959
    Abstract: Techniques are provided for controlling an output laser pulse signal of a medical device. A control device defines a time duration of capacitive discharge to a laser device. The time duration corresponds to an intended energy of the output laser pulse signal. The control device generates a plurality of sub-pulse control signals. The sub-pulse control signals define a series of capacitive discharge events of the capacitor bank. The control device modulates one or more of a sub-pulse control signal period or a sub-pulse time duration of the sub-pulse control signals to modify the capacitive discharge of the capacitor bank to the laser device during the time duration.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 1, 2021
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Jian James ZHANG, Baocheng YANG, Xirong YANG, Hyun Wook KANG, Brian CHENG, Peter BULL, Rongwei Jason XUAN, Thomas C. HASENBERG
  • Patent number: 10780187
    Abstract: Provided are an apparatus and method for sterilizing an internal channel surface of an endoscope, and more particularly, to an apparatus and method for sterilizing an internal channel surface of an endoscope, in which ultrasonic and infrared rays are irradiated to an internal channel of the endoscope to partially or entirely sterilize and removing a biofilm generated on the internal channel surface of the endoscope during a procedure or diagnosis.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 22, 2020
    Assignee: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Hyun Wook Kang, Don Haeng Lee
  • Publication number: 20200283736
    Abstract: Disclosed is a process of manufacturing cell spheroids using a bioink. More particularly, provided is a method of manufacturing a cell spheroid, the method including extruding a first bioink including an alginate; extruding a second bioink including cells into the extruded first bioink; adding a calcium chloride (CaCl2) solution to the alginate included in the first bioink; and dissolving the second bioink, present in the first bioink, in a cell culture medium to form a cell spheroid from the cells.
    Type: Application
    Filed: January 23, 2020
    Publication date: September 10, 2020
    Applicant: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Hyun Wook KANG, Seug Gyu JEON, Jun Ho HEO
  • Publication number: 20200197092
    Abstract: Embodiments of a surgical laser system comprise a laser source (102), a laser fiber (104), a photodetector (106) and a controller (108). The laser source is configured to generate laser energy (1 10). The laser fiber is optically coupled to the laser source and is configured to discharge the laser energy generated by the laser source. The photodetector is configured to generate an output signal (1 12) that is indicative of an intensity level of electromagnetic energy feedback (114) that is produced in response to the discharge of the laser energy. The controller is configured to control the laser source based on the output signal.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Rongwei Jason XUAN, Brian P. Watschke, Douglas L. Evans, Guangjian Wang, Wen-Jui Ray Chia, Nathan Brown, Thomas C. Hasenberg, Jian James Zhang, Hyun Wook Kang