Patents by Inventor Hyun-Wook Lee

Hyun-Wook 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).

  • Publication number: 20210376210
    Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.
    Type: Application
    Filed: April 5, 2021
    Publication date: December 2, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, Ki Nyeng KANG, Ki Bum KIM, Jin Taek KIM, Kyung Tae CHAE
  • Publication number: 20210367024
    Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.
    Type: Application
    Filed: April 21, 2021
    Publication date: November 25, 2021
    Inventors: Ki Bum KIM, Kyung Tae CHAE, Ki Nyeng KANG, Jin Taek KIM, Hyun Wook LEE
  • Publication number: 20210359167
    Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.
    Type: Application
    Filed: January 22, 2021
    Publication date: November 18, 2021
    Inventors: Hyun Wook LEE, Ki Bum KIM, Jin Taek KIM, Seung Min LEE, Kwang Taek HONG, Jung Eun HONG
  • Publication number: 20210351322
    Abstract: The display device according to an exemplary embodiment of the present disclosure includes a substrate and a display element unit. The display element unit includes a first electrode on the substrate, a second electrode on the substrate and spaced apart from the first electrode in a first direction, and a plurality of light emitting elements between the first electrode and the second electrode in a plan view. Each of the first and second electrodes includes an opening.
    Type: Application
    Filed: March 16, 2021
    Publication date: November 11, 2021
    Inventors: Hyun Wook LEE, Myeong Hun SONG, Jeong Hyun LEE, Jong Chan LEE, Tae Hee LEE
  • Publication number: 20210335765
    Abstract: A display device comprises a plurality of first banks disposed on a substrate to extend in a first direction and spaced apart from one another, a plurality of first patterns disposed between the plurality of first banks and spaced apart from one another in the first direction, a first electrode and a second electrode extending in the first direction and disposed on different first banks of the plurality of first banks and spaced apart from each other, a first insulating layer overlapping the plurality of first patterns, disposed on the first substrate, and to partially overlapping the first and second electrodes, and a plurality of light-emitting elements disposed on the first insulating layer so that first and second ends of each of the plurality of light-emitting elements are disposed on the first and second electrodes, respectively.
    Type: Application
    Filed: January 29, 2021
    Publication date: October 28, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Chan LEE, Hyun Wook LEE, Sang Jun PARK, Myeong Hun SONG, Kwang Taek HONG
  • Publication number: 20210336108
    Abstract: A display device includes a first electrode disposed on a substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, at least one light-emitting element extending in a direction, disposed between the first electrode and the second electrode, and electrically connected to the first electrode and the second electrode, and an insulating pattern layer disposed on the first electrode and the second electrode, the insulating pattern layer including a fixer disposed on at least part of the at least one light-emitting element, and a barrier surrounding the at least one light-emitting element.
    Type: Application
    Filed: March 9, 2021
    Publication date: October 28, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Wook LEE, Tae Hee LEE, Jong Chan LEE, Woong Hee JEONG
  • Publication number: 20210318623
    Abstract: A method of manufacturing a display device including: preparing a substrate having a display area and a non-display area; and forming an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 14, 2021
    Inventors: Hyun Wook LEE, Soon Wook Hong, Seung Rae Kim, Jae-Hyun Park, Min cheol Chae
  • Publication number: 20210242381
    Abstract: A display device includes a substrate; a first electrode and a second electrode on the substrate and spaced from each other at a first distance along a first direction; a third electrode and a fourth electrode on the first electrode and the second electrode, respectively, and spaced from each other at a second distance along the first direction; a first insulating layer on the third electrode and the fourth electrode; and a light emitting element located on the first insulating layer and between the third electrode and the fourth electrode in a plan view, and the second distance is greater than the first distance.
    Type: Application
    Filed: January 20, 2021
    Publication date: August 5, 2021
    Inventors: Hyun Wook LEE, Sung Jin LEE, Jong Chan LEE, Tae Hee LEE
  • Patent number: 11079689
    Abstract: A display device including: a substrate having display area and a non-display area; and an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: August 3, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Wook Lee, Soon Wook Hong, Seung Rae Kim, Jae-Hyun Park, Min cheol Chae
  • Publication number: 20210210988
    Abstract: Disclosed is a wireless charging delivery module used in a wireless charging system. The wireless charging delivery module includes at least one first antenna that receives a power signal in at least one frequency band from at least one transmitter in a radio frequency (RF) scheme, at least one matching unit connected to the at least one first antenna to match and output the power signal in the at least one frequency band, a frequency converter connected to the at least one matching unit to convert the power signal in the at least one frequency band into a power signal in a specific frequency band of the receiver, and a second antenna connected to the frequency converter to transmit the power signal in the specific frequency band to the receiver in one of a magnetic resonance scheme and a magnetic induction scheme.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 8, 2021
    Inventors: Kyung Hak Lee, Young Ki Kim, Jae Hyun Choi, Hyun Wook Lee
  • Patent number: 10951071
    Abstract: Disclosed is a transmitter used for a wireless charging system. The transmitter includes a plurality of phase locked loops (PLLs) that outputs single-phase power signals, a plurality of antennas that transmits power signals transmitted from the plurality of PLLs to a receiver, and a controller that determines a specific frequency for the receiver based on a signal strength indication (RSSI) received from the receiver and allows output frequencies of the plurality of PLLs to be different from each other in a specific frequency band preset based on the specific frequency.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: March 16, 2021
    Assignee: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION
    Inventors: Kyung Hak Lee, Young Ki Kim, Jae Hyun Choi, Hyun Wook Lee
  • Publication number: 20200124986
    Abstract: A display device including: a substrate having display area and a non-display area; and an alignment mark disposed in the non-display area of the substrate. The alignment mark includes a quadrangular-shaped center portion and a plurality of measurement portions that surround the center portion, the plurality of measurement portions including four or more measurement portions, and each of the measurement portions including sides that are parallel with two sides of the quadrangular-shaped center portion.
    Type: Application
    Filed: May 21, 2019
    Publication date: April 23, 2020
    Inventors: Hyun Wook LEE, Soon Wook HONG, Seung Rae KIM, Jae-Hyun PARK, Min cheol CHAE
  • Publication number: 20200117033
    Abstract: An exemplary embodiment of the present inventive concept provides a liquid crystal display including: a first substrate including a display area and a non-display area; a second substrate overlapping the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; and a testing pad disposed adjacent to the display area of the first substrate and connected to the display area, wherein a first voltage applying pad and a second voltage applying pad disposed in a region of the first substrate that does not overlap with the second substrate, and each of the first voltage applying pad and the second voltage applying pad may be connected to the testing pad.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 16, 2020
    Inventors: Hyun Wook LEE, Jae Ho CHOI, Chan Young LIM, Sol Ip JEONG
  • Patent number: 10547198
    Abstract: Disclosed is a wireless charging system of using multi-frequency including at least one transmitter and at least one receiver which is wirelessly charged by the at least one transmitter, wherein the at least one transmitter includes a signal generator configured to generate a power signal of each of a plurality of frequency bands; a plurality of matching units connected to the signal generator matching and outputting the power signal of each of the plurality of frequency bands; and at least one antenna connected to the plurality of matching units transmitting the power signal of each of the plurality of frequency bands to each of at least one receiver, and wherein the at least one receiver includes at least one antenna receiving a power signal of each of a plurality of frequency bands from each of at least one transmitter; a plurality of matching units connected to the at least one antenna matching and outputting the power signal of each of the plurality of frequency bands; and a plurality of rectifiers conne
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: January 28, 2020
    Assignee: CENTER FOR INTEGRATED SMART SENSORS FOUNDATION
    Inventors: Kyung Hak Lee, Hyun Wook Lee, Young Ki Kim, Chong Min Kyung
  • Publication number: 20200020260
    Abstract: An exemplary embodiment provides a display device including: a display part configured to include a display part color filter; and a peripheral part disposed at the upper side of the display part and including an inspection pattern for checking an alignment of the display part color filter. The inspection pattern may include a plurality of color filters having colors and reference patterns disposed at at least one side of the plurality of color filters. A number of the plurality of color filters of each color corresponds to a number of shots of a division exposure process. Adjacent color filters among the plurality of color filters may be disposed at different heights.
    Type: Application
    Filed: December 21, 2018
    Publication date: January 16, 2020
    Inventors: Hyun Wook LEE, Jae Ho CHOI, Seung Rae KIM, Jae Min SEONG, Min cheol CHAE
  • Publication number: 20180309326
    Abstract: Disclosed is a wireless charging delivery module used in a wireless charging system. The wireless charging delivery module includes at least one first antenna that receives a power signal in at least one frequency band from at least one transmitter in a radio frequency (RF) scheme, at least one matching unit connected to the at least one first antenna to match and output the power signal in the at least one frequency band, a frequency converter connected to the at least one matching unit to convert the power signal in the at least one frequency band into a power signal in a specific frequency band of the receiver, and a second antenna connected to the frequency converter to transmit the power signal in the specific frequency band to the receiver in one of a magnetic resonance scheme and a magnetic induction scheme.
    Type: Application
    Filed: April 16, 2018
    Publication date: October 25, 2018
    Inventors: Kyung Hak LEE, Young Ki KIM, Jae Hyun CHOI, Hyun Wook LEE
  • Publication number: 20180309454
    Abstract: Disclosed is a transmitter used for a wireless charging system. The transmitter includes a plurality of phase locked loops (PLLs) that outputs single-phase power signals, a plurality of antennas that transmits power signals transmitted from the plurality of PLLs to a receiver, and a controller that determines a specific frequency for the receiver based on a signal strength indication (RSSI) received from the receiver and allows output frequencies of the plurality of PLLs to be different from each other in a specific frequency band preset based on the specific frequency.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 25, 2018
    Inventors: Kyung Hak Lee, Young Ki Kim, Jae Hyun Choi, Hyun Wook Lee
  • Publication number: 20180309325
    Abstract: Disclosed is a transmitter used in a wireless charging system. The transmitter includes at least one phase locked loop (PLL) that outputs a power signal, a first antenna that transmits the power signal transmitted from the at least one PLL to at least one receiver in an RF scheme, a second antenna that transmits the power signal to the at least one receiver in one of a magnetic resonance scheme and a magnetic induction scheme, and a controller that selectively drives at least one of the first and second antennas.
    Type: Application
    Filed: April 18, 2018
    Publication date: October 25, 2018
    Inventors: Kyung Hak Lee, Young Ki Kim, Jae Hyun Choi, Hyun Wook Lee
  • Patent number: 10048544
    Abstract: A display panel includes a first display substrate including a display area and a non-display area which is at a periphery of the display area, a second display substrate facing the first display substrate, a display device in the display area between the first and second display substrates and including a first electrode, an optical layer including an optical layer material, and a second electrode, and a sealing member which is disposed in the non-display area and attaches the first and second display substrates to each other. The sealing member defines a sealing portion thereof which restricts movement of the display area optical layer material to outside the display area, and a receiving portion thereof in which the optical layer material is receivable.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Hee Lee, Eok Su Kim, Won Jin Kim, Ju Yong Park, Jung Chul Woo, Sun Hee Lee, Hyun Wook Lee
  • Patent number: 9880077
    Abstract: Provided are a multi sampling port monitoring apparatus for measuring a pollution level in a predetermined space and a monitoring method using the same. More particularly, provided are a multi sampling port monitoring apparatus capable of effectively monitoring a pollution level in a wide space by including a plurality of sampling ports so that air is sucked at several points in a space to be measured, measuring an average pollution level of the air sucked from the plurality of sampling ports, and allowing pollution levels of the air sucked from the sampling ports to be individually measured in the case in which the average pollution level is out of a predetermined range, and a monitoring method using the same.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: January 30, 2018
    Assignee: WITHTECH INC
    Inventors: Seoung-Kyo Yoo, Eung Sun Lee, Hyun Wook Lee