Patents by Inventor Yong Woo Lee

Yong Woo 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: 20240313182
    Abstract: A stacked light emitting device includes a first LED stack, a second LED stack disposed under the first LED stack, a third LED stack disposed under the second LED stack, a third-1 connector and a third-2 connector disposed between the second LED stack and the third LED stack, and a plurality of pads disposed over the first LED stack, and electrically connected to the first, second, and third LED stacks. Each of the first, second, and third LED stacks has a light generation region and a peripheral region disposed around the light generation region.
    Type: Application
    Filed: May 14, 2024
    Publication date: September 19, 2024
    Inventors: Seom Geun LEE, Seong Kyu JANG, Yong Woo RYU
  • Patent number: 12095069
    Abstract: In an embodiment a power apparatus includes a fuel cell configured to supply power to an inverter of a vehicle, a supercapacitor configured to assist the fuel cell, a bidirectional converter configured to charge and discharge the fuel cell and the supercapacitor and a controller configured to drive the vehicle by controlling the supercapacitor to be charged and discharged depending on a current required by the inverter for driving the vehicle and to assist the fuel cell.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: September 17, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Kookmin University Industry Academy Cooperation Foundation
    Inventors: Yong Hwi Lee, Young Woo Noh, Chung Wook Roh, Hee Seong Jeong, Dong Woo Kwon, Gun Woo Park, Kang Hyun Woo
  • Patent number: 12090248
    Abstract: Provided are a crosslinked hyaluronic acid product in the form of powder and a method of preparing the same, and a crosslinked hyaluronic acid hydrogel prepared using the crosslinked hyaluronic acid product in the form of powder, and a method of preparing the same. The crosslinked hyaluronic acid hydrogel according to the present disclosure exhibits excellent rheological properties, and mass production thereof is easy and quality uniformity thereof is excellent.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: September 17, 2024
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Soo Jin Kim, Se Kweon Kim, Chung Leol Shin, Hyo Seung Park, Yong Woo Kim, Back Ho Lee, Jun Young Kim
  • Patent number: 12096651
    Abstract: Provided is an organic electroluminescent display device, including a substrate, an organic light-emitting device on the substrate, and an encapsulation layer formed on the organic light-emitting device and the substrate. The encapsulation layer includes an inorganic layer and a polymer organic layer alternatingly stacked with an intermediate layer formed of a first organic monomer between the inorganic layer and the polymer organic layer, and one surface of the intermediate layer is bonded to the inorganic layer through bonding sites on a surface of the inorganic layer and another surface of the intermediate layer is bonded to the organic layer by polymerization.
    Type: Grant
    Filed: August 21, 2023
    Date of Patent: September 17, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon
  • Publication number: 20240304726
    Abstract: A display device and method of fabricating the same are provided. The display device includes a substrate and a thin-film transistor formed on the substrate. The thin-film transistor includes a lower gate conductive layer disposed on the substrate, and a lower gate insulating film disposed on the lower gate conductive layer The lower gate insulating film includes an upper surface and sidewalls. The thin-film transistor includes an active layer disposed on the upper surface of the lower gate insulating film, the active layer including sidewalls. At least one of the sidewalls of the lower gate insulating film and at least one of the sidewalls of the active layer are aligned with each other.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 12, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Sub KIM, Keun Woo KIM, Ji Yeong SHIN, Yong Su LEE, Myoung Geun CHA, Ki Seok CHOI, Sang Gun CHOI
  • Patent number: 12084621
    Abstract: The present disclosure relates to a method and system for producing refined hydrocarbons from waste plastic pyrolysis oil. The method and system for producing refined hydrocarbons from waste plastic pyrolysis oil according to the embodiments of the present disclosure may minimize formation of an ammonium salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons according to the embodiments of the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is prevented, and may produce refined hydrocarbons having a low content of impurities and a low content of olefins from waste plastic pyrolysis oil.
    Type: Grant
    Filed: January 31, 2024
    Date of Patent: September 10, 2024
    Assignees: SK INNOVATION CO., LTD., SK GEO CENTRIC CO., LTD.
    Inventors: Yong Woon Kim, Seo Yeong Kang, Soo Kil Kang, Min Gyoo Park, Young Moo Park, Min Woo Shin, Jae Hwan Lee, Jin Seong Jang, Sang Hwan Jo
  • Publication number: 20240297290
    Abstract: A vertical type apparatus for firing a cathode material of a secondary battery is provided. The vertical type apparatus for firing the cathode material according to the present disclosure includes a plurality of saggers, each having an open upper portion, provided with a through-slit for gas flow in a lower surface thereof, and loaded with the cathode material therein, and a plurality of unit firing furnaces, each having an open upper portion, each plurally stacked in the vertical direction, each receiving the respective sagger.
    Type: Application
    Filed: December 17, 2021
    Publication date: September 5, 2024
    Applicants: POSCO Holdings Inc., Research Institute of Industrial Science & Technology, POSCO Chemical Co., Ltd.
    Inventors: Choongmo YANG, Yong Hyun LEE, Jongyun MOON, Byoung Mu DO, Yeong Woo KIM, Sang Keun SONG, Soon Cheol HWANG, Jeong Heon HEO, Ji Woong MOON, Woo Taek KIM, Hyeon Woo KIM, Keeyoung JUNG, Yooncheol PARK, Min Young HWANG
  • Publication number: 20240282803
    Abstract: A light emitting device for a display according to an exemplary embodiment includes a first LED stack, a second LED stack located under the first LED stack, and a third LED stack located under the second LED stack. The light emitting device further includes a first bonding layer, a second bonding layer, a first planarization layer, a second planarization layer, lower buried vias, and upper buried vias. The first planarization layer is recessed inwardly to expose an edge of the second LED stack.
    Type: Application
    Filed: March 8, 2024
    Publication date: August 22, 2024
    Inventors: Seom Geun LEE, Seong Kyu JANG, Yong Woo RYU
  • Patent number: 12068824
    Abstract: A method of a terminal for transmitting channel state information for one or more beams comprises the steps of: determining whether group-based beam reporting is configured based on channel state information (CSI) reporting configuration information; measuring reference signal received power (RSRP) for one or more channel state information reference signals (CSI-RS) received through one or more CSI-RS resources; and transmitting, to a base station, the channel state information including a value in a table configured in advance based on whether the group-based beam reporting is configured and one or more CSI-RS RSRP measurement results obtained by the measurement.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: August 20, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Sun Woo Kim, Min Soo Jeong, Sung Jin Kim, Jeong Wan Kang, Yong Min Song, Chung Hoon Lee
  • Patent number: 12068185
    Abstract: An article transfer system includes a plurality of stage modules respectively provided at a plurality of layers, an interlayer transfer apparatus configured to transfer an article to each of the plurality of stage modules, and a plurality of loading and unloading apparatus respectively provided on each stage module of the plurality of stage modules, the plurality of loading and unloading apparatus configured to load an article onto respective stage modules of the plurality of stage modules. The interlayer transfer apparatus includes a mast frame extending so as to intersect each stage module of the plurality of stage modules, and a plurality of carriage units configured to move along a length direction of the mast frame, transfer articles, and move in a parallel manner with each other.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Wook Kim, Sang Min Kim, Chul-Jun Park, Jae Sung Byun, Yong-Jun Ahn, Sang Kyung Lee, Hyun Woo Lee, Jeong Hun Lim, Jun Hyuk Chang, Kyu Bum Cho
  • Patent number: 12068367
    Abstract: A semiconductor device includes a substrate, a gate electrode disposed on an upper surface of the substrate, a source region disposed on a first side of the gate electrode, a drain region disposed on a second side of the gate electrode opposite to the first side of the gate electrode in a horizontal direction, and an insulating structure at least partially buried inside the substrate on the substrate. The insulating structure includes a first portion disposed between the substrate and the gate electrode, and a second portion in contact with the drain region. An uppermost surface of the second portion of the insulating structure is lower than an uppermost surface of the first portion of the insulating structure. At least a part of the gate electrode is disposed on the uppermost surface of the second portion of the insulating structure.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: August 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Hyeok Kim, Jae-Hyun Yoo, Ui Hui Kwon, Kyu Ok Lee, Yong Woo Jeon, Da Won Jeong
  • Publication number: 20240274882
    Abstract: A non-aqueous electrolyte including an additive represented by Formula 1 is described: wherein in Formula 1, R may be any one selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkynyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, and a cycloalkenyl group having 3 to 12 carbon atoms, R1 and R2 may each independently be any one selected from the group consisting of hydrogen (H), an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkynyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, and a cycloalkenyl group having 3 to 12 carbon atoms, and A may be an alkylene group having 1 to 5 carbon atoms.
    Type: Application
    Filed: September 29, 2022
    Publication date: August 15, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Hyung Tae Kim, Chul Haeng Lee, Jeong Woo Oh, Byung Chun Park, Yong Mi Seo, Sung Guk Park
  • Publication number: 20240268198
    Abstract: A display apparatus according to the disclosure comprises a substrate including first region and eh second region, a display device for display an image in the first region, and a lens above the display device in the first region, wherein a center of the display device and a center of the lens are spaced apart from each other by a predetermined distance.
    Type: Application
    Filed: July 19, 2023
    Publication date: August 8, 2024
    Inventors: Yong-Ku LEE, Sung-Woo KIM, Young-Bok LEE, Chi-yong KIM, A-Ra YOON, Se-Wan OH
  • Publication number: 20240260407
    Abstract: A light emitting display device includes a substrate in which a display region and a non-display area are defined; a light emitting diode which is on the substrate and is provided in a pixel region within the display region; a protective film which is on the light emitting diode, and includes an edge portion an outer side surface of which is located in the non-display region and has an inclined step structure including a plurality of steps; a lens which is on the protective film and corresponds to the pixel region; a planarization film covering the lens; a first adhesive layer which is on the planarization film and located in the display region and the non-display region; and a cover window on the first adhesive layer.
    Type: Application
    Filed: December 7, 2023
    Publication date: August 1, 2024
    Applicant: LG Display Co., Ltd
    Inventors: Se-Wan OH, A-Ra YOON, Young-Bok LEE, Sung-Woo KIM, Yong-Ku LEE, Chi-Yong KIM
  • Patent number: 12046587
    Abstract: A light emitting module including a circuit board and a lighting emitting device thereon and including first, second, and third LED stacks each including first and second conductivity type semiconductor layers, a first bonding layer between the second and third LED stacks, a second bonding layer between the first and second LED stacks, a first planarization layer between the second bonding layer and the third LED stack, a second planarization layer on the first LED stack, a lower conductive material extending along sides of the first planarization layer, the second LED stack, the first bonding layer, and electrically connected to the first conductivity type semiconductor layers of each LED stack, respectively, and an upper conductive material between the circuit board and the lower conductive material.
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: July 23, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Seom Geun Lee, Seong Kyu Jang, Yong Woo Ryu, Jong Hyeon Chae
  • Patent number: 12046627
    Abstract: A semiconductor light-emitting device includes a plurality of light-emitting device structures separated from each other and arranged in a matrix form. A pad region at least partially surrounds the plurality of light-emitting device structures. The pad region is disposed outside of the plurality of light-emitting device structures. A partition structure is disposed on a first surface of the plurality of light-emitting device structures and is further disposed between adjacent light-emitting device structures of the plurality of light-emitting device structures. The partition structure defines a plurality of pixel spaces within the plurality of light-emitting device structures. A fluorescent layer is disposed on the first surface of the plurality of light-emitting device structures and fills each of the plurality of pixel spaces.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-Min Kwon, Geun-Woo Ko, Jung-Wook Lee, Jong-Hyun Lee, Pun-Jae Choi
  • Publication number: 20240238750
    Abstract: A method for controlling nitrogen oxide (NOx) includes adjusting a flow rate of d gas injected into an arc-type plasma generating device, and identifying a concentration of the generated nitrogen oxide, while adjusting an amount of energy per unit flow rate of the injected gas.
    Type: Application
    Filed: July 20, 2021
    Publication date: July 18, 2024
    Inventors: Yong Cheol HONG, Kang II KIM, Geon Woo YANG, Hee Jae LEE
  • Patent number: 12040344
    Abstract: A stacked light emitting device includes a first LED stack, a second LED stack disposed under the first LED stack, a third LED stack disposed under the second LED stack, and a plurality of pads disposed over the first LED stack. Each of the first, second, and third LED stacks has a light generation region and a peripheral region disposed around the light generation region. The plurality of pads is disposed on the peripheral region of the first LED stack.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: July 16, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Seong Kyu Jang, Seom Geun Lee, Yong Woo Ryu
  • Patent number: 11956712
    Abstract: Electronic device includes first wireless communication interface; second wireless communication interface; and controller.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong-woo Lee, Chang-heon Yoon, Jong-min Kim, Sang-hun Park, Sung-min So, Wha-seob Sim, Se-young Oh
  • Publication number: 20230379134
    Abstract: A method of performing a homomorphic permutation by a server includes: generating, via a ciphertext generation portion, a first ciphertext by adding noise to the basic ciphertext; transmitting, via a transmission portion, the first ciphertext to a client; performing, via an operation portion, a predetermined operation on the noise; receiving, via a reception portion, a second ciphertext from the client; and extracting, via an extraction portion, the basic ciphertext on which the predetermined operation is performed, by removing, from the second ciphertext, the noise on which the predetermined operation is performed, wherein the second ciphertext is a ciphertext that is re-encrypted by the client after decrypting the first ciphertext and performing the predetermined operation on the decrypted first ciphertext.
    Type: Application
    Filed: October 18, 2022
    Publication date: November 23, 2023
    Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITY
    Inventors: Joon-Woo LEE, Jong-Seon NO, Yong-Woo LEE, Seung-Jae CHAE, Young-Sik KIM