Patents by Inventor Keun Park

Keun Park 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).

  • COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
    Publication number: 20220056050
    Abstract: Provided is a novel compound capable of improving the luminous efficiency and stability of a device, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 24, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Hyung Dong LEE, Sun Hee LEE, Hyoung Keun PARK, Dae Sic KIM, Byoung Yeop KANG
  • Camera module having a slim overall structure and portable device comprising same
    Patent number: 11240414
    Abstract: A camera module includes a lens driving device having a housing, a first circuit board disposed below the housing, a filter disposed on an upper surface of the first circuit board, a second circuit board disposed below the first circuit board, an image sensor disposed on the second circuit board and coupled to a lower surface of the first circuit board, and a first adhesive member disposed between the lower surface of the first circuit board and an upper surface of the second circuit board, and electrically connecting the first circuit board and the second circuit board. A lower surface of the image sensor is higher than the upper surface of the second circuit board.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 1, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jae Keun Park
  • Compound for organic electric element, organic electric element comprising the same and electronic device thereof
    Patent number: 11233202
    Abstract: The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: January 25, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jonggwang Park, Yun Suk Lee, Kiho So, Hyoung Keun Park, Yeonseok Jeong, Yeon Hee Choi, Jae-Taek Kwon
  • DISPLAY DEVICE
    Publication number: 20210375984
    Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.
    Type: Application
    Filed: August 16, 2021
    Publication date: December 2, 2021
    Inventors: Dong Gyun KIM, Moon Jung AN, Dong Eon LEE, Hye Lim KANG, Hoo Keun PARK, Byung Ju LEE
  • Integrated circuit (IC) device
    Patent number: 11189570
    Abstract: An integrated circuit (IC) device includes a line structure including a conductive line formed on a substrate and an insulation capping pattern that covers the conductive line; an insulation spacer covering a sidewall of the line structure; a conductive plug spaced apart from the conductive line in a first horizontal direction with the insulation spacer between the conductive plug and the conductive line; a conductive landing pad arranged on the conductive plug to vertically overlap the conductive plug; and a capping layer including a first portion between the conductive landing pad and the insulation capping pattern, wherein the first portion of the capping layer has a shape in which a width in the first horizontal direction gradually increases as a distance from the substrate increases between the conductive landing pad and the insulation capping pattern.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: November 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-a Kim, Yong-kwan Kim, Se-keun Park, Ho-in Ryu
  • SEMI-AUTOMATIC SCANNER FOR ULTRASONIC INSPECTION OF BRANCH PIPE WELD
    Publication number: 20210364475
    Abstract: The present invention relates to a semi-automatic scanner for ultrasonic inspection of a branch pipe weld that has a small size and is able to perform an inspection while moving in a state of being attached to a test object by a magnetic force, thereby being applied to fittings having various shapes, such as a branch pipe and an elbow.
    Type: Application
    Filed: December 3, 2019
    Publication date: November 25, 2021
    Applicants: Korea Inspection Eng.Co.,Ltd, Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Seong Jin LIM, In Gon JUNG, Min Jung PARK, Ik Keun PARK, Tae Sung PARK
  • METHOD AND APPARATUS FOR DETERMINING OPERATING CONDITIONS FOR FREQUENCY COEXISTENCE
    Publication number: 20210360420
    Abstract: Provided is a method and apparatus for determining an operating condition for frequency coexistence and an operating condition determining method includes a method of calculating and transferring an inference-free available frequency and an output level to an existing radio station that operates and needs to be protected or a method of calculating a channel access parameter for sharing a frequency with a heterogeneous device, a network, or a system.
    Type: Application
    Filed: May 12, 2021
    Publication date: November 18, 2021
    Inventors: Jung Sun UM, Bong-Su KIM, Igor KIM, Seung Keun PARK
  • Semiconductor devices including a gate structure having multiple widths
    Patent number: 11177264
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate including a plurality of active regions that extend longitudinally in a direction and an isolation region that electrically isolates the plurality of active regions from each other. The semiconductor device includes a gate trench that extends across the plurality of active regions and the isolation region. The semiconductor device includes a gate structure that extends in the gate trench. The semiconductor device includes a gate dielectric layer that is between the gate trench and the gate structure, in each of the plurality of active regions. The gate structure has a first width in the direction in each of the plurality of active regions and has a second width in the direction in the isolation region that is different from the first width.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: November 16, 2021
    Inventors: Jae-hyeon Jeon, Se-keun Park, Dong-sik Park, Seok-ho Shin
  • METHOD AND SYSTEM FOR GUIDING POSITION OF AIRCRAFT BAGGAGE
    Publication number: 20210350319
    Abstract: Provided is a method for guiding position of aircraft baggage, the method allowing baggage information to be recognized through an electronic tag attached to baggage to determine whether the baggage has arrived at a destination and, upon determining that the baggage has arrived at the destination, calculating baggage location information and transmitting the obtained baggage location information to a terminal of a passenger and, upon determining that the baggage has not arrived at the destination, transmitting baggage misdelivery guide information to the terminal of the passenger.
    Type: Application
    Filed: May 7, 2020
    Publication date: November 11, 2021
    Inventor: Dong keun PARK
  • Operation method of communication node for supporting low power mode in wireless LAN
    Patent number: 11172448
    Abstract: An operation method of a communication node for supporting a low power mode in a wireless LAN is disclosed. A method for operating an access point comprises: a step of transmitting a CTS frame to protect transmission of a wake-up packet, a step of transmitting the wake-up packet to wake up a station including PCR and WURx; and a step of transmitting a data frame to the station. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: November 9, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Hyun Hwang, Seung Keun Park, Yong Ho Kim
  • Method and apparatus for initial negotiation in wireless LAN
    Patent number: 11153818
    Abstract: Disclosed are a method and an apparatus for initial negotiation in a wireless LAN. An operating method of a station in a communication system comprises the steps of: generating a probe request frame including WUR capability information of the station which supports a WUR mode; transmitting the probe request frame; and receiving a probe response frame from an access point having received the probe request frame. Therefore, the performance of the communication system can be improved.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: October 19, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Hyun Hwang, Igor Kim, Seung Keun Park
  • Semiconductor device having bit line structure with spacer structure and method of manufacturing the same
    Patent number: 11152374
    Abstract: A semiconductor device includes a bit line structure on a substrate, a spacer structure including a first spacer directly contacting a sidewall of the bit line structure, a second spacer directly contacting a portion of an outer sidewall of the first spacer, the second spacer including air, and a third spacer directly contacting an upper portion of the first spacer and covering an outer sidewall and an upper surface of the second spacer, and a contact plug structure extending in a vertical direction substantially perpendicular to an upper surface of the substrate and directly contacting an outer sidewall of the third spacer at least at a height between respective heights of a bottom and a top surface of the second spacer.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-A Kim, Yong-Kwan Kim, Se-Keun Park, Jung-Woo Song, Joo-Young Lee
  • Method and apparatus for transmitting signal in unlicensed band communication system, method and apparatus for scheduling uplink, and method and apparatus for transmitting information about channel state measurement section
    Patent number: 11140690
    Abstract: A method for transmitting an uplink signal in an unlicensed band by a terminal is provided. The terminal receives first scheduling information that schedules one or more uplink subframes, from a base station in a first downlink subframe. The terminal receives second scheduling information that determines a transmission time point of the uplink signal, from the base station in a second downlink subframe after the first downlink subframe. The terminal transmits the uplink signal in a first uplink subframe corresponding to the transmission time point among the one or more uplink subframes.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 5, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Sun Um, Hoiyoon Jung, Sungjin Yoo, Seung Keun Park
  • COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING SAME AND ELECTRONIC DEVICE THEREFOR
    Publication number: 20210300888
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Application
    Filed: September 15, 2017
    Publication date: September 30, 2021
    Applicant: DUK SAN NEOLUX CO., LTD
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Jung Wook LEE
  • Compound for organic electronic element, organic electronic element using same and electronic device therefor
    Patent number: 11133471
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 28, 2021
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
  • Semiconductor package
    Patent number: 11127692
    Abstract: A semiconductor package includes a semiconductor chip, and a connection structure disposed on at least one side of the semiconductor chip, and including an insulating layer and a redistribution layer electrically connected to the semiconductor chip, wherein the redistribution layer includes a plurality of conductive patterns, and at least two of the plurality of conductive patterns have different degrees of surface roughness, and a conductive pattern having a higher surface roughness has a width wider than a width of a conductive pattern having a lower surface roughness.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gun Lee, Jun Gul Hwang, Ji Eun Woo, Sung Keun Park
  • Optoelectronic device and methods of use
    Patent number: 11121190
    Abstract: Provided is an optoelectronic device comprising an optoelectronic element and circuitry connected to the optoelectronic element, wherein the optoelectronic element comprises plural quantum dots or plural nanorods, and wherein the circuitry is configured to be capable of switching the optoelectronic element between a configuration in which the circuitry provides an effective forward bias voltage that causes the optoelectronic element to emit light and a configuration in which the circuitry provides an effective reverse bias voltage that causes the optoelectronic element to be capable of generating a photocurrent when light to which the optoelectronic element is sensitive strikes the optoelectronic element.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: September 14, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company, The Board of Trustees of the University of Illinois, Rohm and Haas Electronic Materials LLC
    Inventors: Peter Trefonas, III, Kishori Deshpande, Trevor Ewers, Edward Greer, Jaebum Joo, Bong Hoon Kim, Nuri Oh, Jong Keun Park, Moonsub Shim, Jieqian Zhang
  • DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE
    Publication number: 20210280654
    Abstract: A display device includes: a substrate; signal lines including a gate line, a data line, and a driving voltage line that collectively define an outer boundary of a pixel area; a transistor connected to the signal line; a first electrode extending across the pixel area and formed on the signal line and the transistor, and connected to the transistor, the first electrode having a first portion overlying only the signal line and the transistor, and a second portion including all of the first electrode not included in the first portion; a pixel defining layer formed on only the first portion of the first electrode; an organic emission layer formed on substantially the entire second portion but not on the first portion; and a second electrode formed on the pixel defining layer and the organic emission layer.
    Type: Application
    Filed: May 26, 2021
    Publication date: September 9, 2021
    Inventors: Joung-Keun PARK, Ki Wan AHN, Joo Sun YOON
  • DISPLAY DEVICE
    Publication number: 20210272505
    Abstract: A display device includes: a plurality of pixel blocks each including a plurality of pixels; a scan driver supplying a scan signal to the scan lines and to supply a control signal to the control lines; a data driver supplying an image data voltage or a low grayscale data voltage to the data lines; and a power supply supplying a reference voltage to the pixels, wherein the pixels are configured to receive the image data voltage during a first scan period of a frame, and to receive the low grayscale data voltage during a second scan period of the frame, and the reference voltage supplied to a first pixel row of at least one of the pixel blocks in the first scan period is different from the reference voltage supplied to a last pixel row of at least one of the pixel blocks in the first scan period.
    Type: Application
    Filed: September 29, 2020
    Publication date: September 2, 2021
    Inventors: Jung Taek KIM, Sang Su HAN, Kyun Ho KIM, Hyung Keun PARK, Joon Suk BAIK, Se Keun LEE
  • Toothbrush sterilizer
    Patent number: D940347
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 4, 2022
    Assignee: BNSOFT, INC.
    Inventor: Sang Keun Park