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).

  • METHOD AND APPARATUS FOR TRANSMITTING SOUNDING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM OF UNLICENSED BAND AND METHOD AND APPARATUS FOR TRIGGERING SOUNDING REFERENCE SIGNAL TRANSMISSION
    Publication number: 20230199788
    Abstract: Disclosed herein is a method for transmitting, by a terminal, a sounding reference signal (SRS). The terminal receives a grant for uplink multiple subframes from a base station. The terminal determines a first subframe for an SRS transmission of the terminal among the uplink multiple subframes on the basis of SRS transmission position information received from the base station. Further, the terminal transmits the SRS in the first subframe.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 22, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jung Sun UM, Hoiyoon JUNG, Seung Keun PARK, Sungjin YOO
  • DISPLAY DEVICE
    Publication number: 20230178687
    Abstract: A display device comprises a plurality of pixel electrodes which are provided on a substrate, and a plurality of light emitting elements which are provided on the plurality of pixel electrodes, wherein each of the plurality of light emitting elements comprises a first semiconductor layer, a second semiconductor layer and an active layer provided between the first semiconductor layer and the second semiconductor layer, and one or more of the plurality of light emitting elements comprise a capping layer included in the active layer, and another one of the plurality of light emitting elements does not comprise the capping layer in the active layer, wherein the capping layer comprises AlGaN.
    Type: Application
    Filed: August 4, 2022
    Publication date: June 8, 2023
    Inventors: Hoo Keun PARK, Seung Geun LEE, Jin Wan KIM, Young Jin SONG
  • Display device
    Patent number: 11670225
    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: Grant
    Filed: March 21, 2022
    Date of Patent: June 6, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Taek Kim, Sang Su Han, Kyun Ho Kim, Hyung Keun Park, Joon Suk Baik, Se Keun Lee
  • COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
    Publication number: 20230172055
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and lifespan of an organic electronic device, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: June 17, 2022
    Publication date: June 1, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Min Ji JO, Sun Hee LEE, Soung Yun MUN, Yong Wook PARK, Jin Woo SHIN
  • Camera module having image sensor located between first and second circuit boards
    Patent number: 11665421
    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: December 23, 2021
    Date of Patent: May 30, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jae Keun Park
  • Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof
    Patent number: 11665958
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and lifespan of an organic electronic device, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: May 30, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Min Ji Jo, Sun Hee Lee, Soung Yun Mun, Yong Wook Park, Jin Woo Shin
  • COMPOUND FOR ORGANIC ELECTRIC DEVICE, ORGANIC ELECTRIC DEVICE USING THE SAME, AND ELECTRONIC DEVICE
    Publication number: 20230157160
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic device using the same, and an electronic device.
    Type: Application
    Filed: November 18, 2022
    Publication date: May 18, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jong Gwang PARK, Yeon Hee CHOI, Yun Suk LEE, Ki Ho SO, Hyung Keun PARK, Yeon Seok JEONG, Sun Pil HWANG, Sun Hee LEE
  • COMPOUND FOR ORGANIC ELECTRICAL ELEMENT, ORGANIC ELECTRICAL ELEMENT USING SAME, AND ELECTRONIC DEVICE COMPRISING SAME
    Publication number: 20230140925
    Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electrical element using same; and an electronic device comprising same.
    Type: Application
    Filed: April 8, 2021
    Publication date: May 11, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Hyun Ji OH, Dae Sic KIM, Sun Hee LEE, Soung Yun MUN, Bum Sung LEE, Nam Kyun KIM
  • DISPLAY DEVICE AND DRIVING METHOD THEREOF
    Publication number: 20230146329
    Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 11, 2023
    Inventors: Sang Su HAN, Kyun Ho KIM, Seong Jun KIM, Jung Taek KIM, Hyung Keun PARK, Joon Suk BAIK, Se Keun LEE
  • RFIC ASSEMBLED ANTENNA
    Publication number: 20230129616
    Abstract: An RFIC assembled antenna comprises: a first layer substrate including a first metal pattern, a first slot formed in the first metal pattern, and a second slot formed to be connected to the first slot, and in which an RFIC chip is coupled to a region of the second slot; and a second layer substrate coupled to a lower portion of the first layer substrate and including a second metal pattern, a third slot formed in the second metal pattern, and a dipole radiator formed inside the third slot, wherein a feeding pattern connected to the RFIC chip to provide a feed signal to the dipole radiator is formed inside the first slot.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 27, 2023
    Inventors: Byoung Nam KIM, Hong Il YOO, Chul-Keun PARK, Chan-Woo PARK
  • COOLING MODULE WITH MICROPOROUS COOLING STRUCTURE APPLIED THERETO AND METHOD OF LOCALLY COOLING MOLD USING THE SAME
    Publication number: 20230111054
    Abstract: Provided is a cooling module to which a microporous cooling structure is applied, and a method of locally and conformally cooling a mold using the same. The cooling module to which a microporous cooling structure is applied which is installed at each high temperature region inside a mold core and allows supplied cooling fluid to flow thereinto to perform local and conformal cooling on a mold may include a body part inserted into the mold core, a microporous cooling structure which is inserted into an upper portion of the body part and in which micro unit cells are periodically and repeatedly formed to form a plurality of connected hollow portions, and a cooling channel including a conduit configured to pass the cooling fluid through the microporous cooling structure.
    Type: Application
    Filed: October 10, 2022
    Publication date: April 13, 2023
    Inventors: Keun PARK, Junwon LEE
  • DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
    Publication number: 20230111615
    Abstract: A display device is provided. The display device comprises a plurality of pixel electrodes on a first substrate and spaced apart from each other; a plurality of light emitting elements on the plurality of pixel electrodes; and a common electrode layer on the plurality of light emitting elements, wherein the common electrode layer includes a first common electrode layer on the plurality of light emitting elements, and a second common electrode layer between the first common electrode layer and the plurality of light emitting elements, and a lattice constant of the first common electrode layer is larger than a lattice constant of the second common electrode layer.
    Type: Application
    Filed: June 30, 2022
    Publication date: April 13, 2023
    Inventors: Jin Wan KIM, Sang Jo KIM, Hoo Keun PARK, Byung Ju LEE
  • Organic Electronic Device
    Publication number: 20230111469
    Abstract: Embodiments of the present invention relate to an organic electronic device capable of ensuring high luminous efficiency, low driving voltage and high heat resistance, and improving color purity or lifespan.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 13, 2023
    Inventors: Hyoung Keun PARK, Junggeun LEE, Sun-Hee LEE, Yong Wook PARK, Sung Yong HAN
  • DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20230111380
    Abstract: A display device and a method for manufacturing the same are provided. The display device includes a substrate, pixel electrodes on the substrate, and light emitting elements on the pixel electrodes, each of the light emitting elements including a first stack configured to emit first light, a second stack below the first stack, and configured to emit second light, a third stack below the second stack, and configured to emit third light, and tunnel function layers respectively between the first stack and the second stack, and between the second stack and the third stack.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 13, 2023
    Inventors: Jin Wan Kim, Seung Geun Lee, Sang Jo KIM, Hoo Keun Park
  • PHOTORESIST COMPOSITIONS AND PATTERN FORMATION METHODS
    Publication number: 20230104130
    Abstract: A photoresist composition comprising a polymer, a photoacid generator, an additive comprising a tertiary carbon atom as a ring-forming atom of a lactone ring, and a solvent.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 6, 2023
    Inventors: Cong Liu, Jong Keun Park, James F. Cameron, Sheng Liu, Tsutomu Asazuma, Mingqi Li
  • IODINE-CONTAINING ACID CLEAVABLE COMPOUNDS, POLYMERS DERIVED THEREFROM, AND PHOTORESIST COMPOSITIONS
    Publication number: 20230103685
    Abstract: A compound comprising an aromatic group or a heteroaromatic group, wherein the aromatic group or the heteroaromatic group comprises a first substituent group comprising an ethylenically unsaturated double bond, a second substituent group that is an iodine atom, and a third substituent group comprising an acid-labile group, wherein the first substituent group, the second substituent group, and the third substituent group are each bonded to a different carbon atom of the aromatic group or the heteroaromatic group.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 6, 2023
    Inventors: Emad Aqad, Jong Keun Park, Bhooshan C. Popere, Li Cui, Yinjie Cen, Choong-Bong Lee
  • COMPOUND FOR ORGANIC ELECTRICAL ELEMENT, ORGANIC ELECTRICAL ELEMENT USING SAME AND ELECTRONIC DEVICE THEREOF
    Publication number: 20230100154
    Abstract: Provided are an OLED compound, an organic electronic element employing the compound, and an electronic device comprising the element, where the compound improves the luminous efficiency, stability and lifetime of the organic electronic element.
    Type: Application
    Filed: December 17, 2020
    Publication date: March 30, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Yun Jong KO, Dae Sic KIM, Sun Hee LEE, Soung Yun MUN, Nam Kyun KIM
  • PORTABLE IPL STERILIZER AND IPL TOILET BOWL STERILIZER
    Publication number: 20230100079
    Abstract: Provided is a portable IPL sterilizer comprising: a body partitioned into a central region and a peripheral region surrounding at least a portion of the central region; a xenon lamp light source for sterilization provided in the central region of the body; and a light-shielding comb part provided in the peripheral region of the body.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 30, 2023
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Young Beom KIM, Yong Hyun LIM, Sung Keun PARK, Han Sam LEE
  • Air conditioner for vehicle
    Patent number: 11613160
    Abstract: The present invention relates to an air conditioner for a vehicle, which can improve a gear ratio of a power transmission means in order to operate a sliding door with more torque. The air conditioner for a vehicle includes: an air-conditioning case having a heat exchanger; a first door and a second door disposed inside the air-conditioning case to adjust the degree of opening of an air passageway; a first driving part for operating the first door; a power transmission part connected to the first driving part; a second driving part for operating the second door; and a third driving part for connecting the power transmission part with the second driving part.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: March 28, 2023
    Assignee: Hanon Systems
    Inventors: Jong Min Lee, Dong Gyun Kim, Si Hyung Kim, Dae Keun Park, Nam Jun Lee, Ho Lee, Jae Woo Ko, Young Keun Kim, Chang Soo Bae, Hwan Kyu Cho, Gyu Ik Han, Heon Hur
  • LENS DRIVING APPARATUS, CAMERA MODULE, AND OPTICAL DEVICE
    Publication number: 20230090273
    Abstract: A lens driving device includes a first housing; a bobbin disposed in the first housing; an aperture disposed on the bobbin; a board disposed on the first housing; a second coil and a fourth coil disposed on the board; a second magnet disposed on the bobbin and facing the second coil; a fourth magnet disposed on the aperture and facing the fourth coil; and a fourth sensor disposed on the board and configured to sense the fourth magnet. The fourth coil is overlapped with the second coil in a first direction perpendicular to an optical axis direction.
    Type: Application
    Filed: November 29, 2022
    Publication date: March 23, 2023
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Jae Keun PARK