Patents by Inventor Hong-Woo Lee

Hong-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: 20240120475
    Abstract: The present disclosure relates to a cathode active material for an all-solid-state battery with a controlled particle size and a method for preparing the same. In particular, the cathode active material includes lithium and a transition metal, wherein the cathode active material has a single peak in the range of 1 ?m to 10 ?m as a result of particle size distribution (PSD) analysis.
    Type: Application
    Filed: May 4, 2023
    Publication date: April 11, 2024
    Inventors: Sung Woo NOH, Hong Seok MIN, Sang Heon LEE, Jeong Hyun SEO, Im Sul SEO, Chung Bum LIM, Ju Yeong SEONG, Je Sik PARK
  • Patent number: 11956980
    Abstract: Discussed is an organic light emitting device in which a light emitting layer includes a host and different kinds of dopants, the fluorescent dopant is formed of a material having energy level properties facilitating thermally activated delayed fluorescence (TADF), and thus energy is concentratedly transferred to the fluorescent dopant so as to increase luminous efficacy of a single color.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Gyeong-Woo Kim, Hong-Seok Choi, Seung-Ryong Joung, Jun-Ho Lee, Yoon-Deok Han, Hee-Su Byeon
  • Publication number: 20240109828
    Abstract: A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.
    Type: Application
    Filed: August 12, 2021
    Publication date: April 4, 2024
    Inventors: Tae Woo Kim, Sung Kyu Lee, Byung Woo Choi, Hong Soo Joo, Dong Ha Lee
  • Publication number: 20240078974
    Abstract: A display device including: a power supply configured to supply a first power, a second power, and a third power to a first power line, a second power line, and a third power line, respectively, wherein each of the first power, the second power and the third power varies in voltage level during one frame period; and pixels connected to at least one of scan lines and data lines, and connected to a common control line, the first power line, the second power line, and the third power line, wherein the pixels simultaneously emit light when the second power is changed to a low level, and a number of times the second power is changed to the low level during the one frame period changes in response to an image refresh rate.
    Type: Application
    Filed: June 6, 2023
    Publication date: March 7, 2024
    Inventors: Hong Soo KIM, Myung Woo LEE, Suk Hun LEE, Jae Keun LIM
  • Publication number: 20240081001
    Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.
    Type: Application
    Filed: May 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
  • Publication number: 20240069875
    Abstract: Disclosed herein are a neural network model deployment method and apparatus for providing a deep learning service. The neural network model deployment method may include providing a specification wizard to a user, searching for and training a neural network based on a user requirement specification that is input through the specification wizard, generating a neural network template code based on the user requirement specification and the trained neural network, converting the trained neural network into a deployment neural network that is usable in a target device based on the user requirement specification, and deploying the deployment neural network to the target device.
    Type: Application
    Filed: June 14, 2023
    Publication date: February 29, 2024
    Inventors: Jae-Bok PARK, Chang-Sik CHO, Kyung-Hee LEE, Ji-Young KWAK, Seon-Tae KIM, Hong-Soog KIM, Jin-Wuk SEOK, Hyun-Woo CHO
  • Patent number: 11897371
    Abstract: The present invention relates to a seat frame with reduced weight due to not including a cushion side frame, the seat frame comprising: a pair of rails; a cushion frame which supports a cushion and has a closed cross-sectional shape; front links which connect the rails to the cushion frame on the front side; rear links which connect the rails to the cushion frame on the rear side; and connection brackets which connect the rear links to a seatback frame.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: February 13, 2024
    Assignee: POSCO
    Inventors: Jae-Hyun Kim, Hong-Woo Lee, Dong-Yoon Seok
  • Publication number: 20240001992
    Abstract: The present invention relates to an electric vehicle body capable of minimizing the intrusion of a collision load into a passenger space and a battery space during a front-end or rear-end collision, and comprises: a front side member having one side coupled to a front bumper beam, and the other side branching off to include a first branch part and a second branch part; a first front cross member coupled to the first branch part and the second branch part; a side seal coupled to the second branch part; a front subframe coupled to the front side member; and a battery case, which includes a reinforcing member extended in the longitudinal direction of the vehicle body and is coupled to the side seal and the first front cross member.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 4, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Hong-Woo Lee, Jaehyun Kim, Dong-Yoon Seok
  • Publication number: 20230420778
    Abstract: The present invention relates to a battery case that can effectively handle side impacts in, for example, an electric vehicle or the like, and thereby minimize battery deformation. The battery case comprises: a case body for accommodating a battery cell; and a cover coupled to the case body. The case body includes: a bottom plate; a side frame coupled to the bottom plate so as to surround the battery cell and including an inner wall and an outer wall; a mounting frame coupled to the outer wall of the side frame; and at least one reinforcement material which is disposed on the bottom plate and of which both ends in the longitudinal direction are inserted into the side frame. The ends of the reinforcement material can pass through the inner wall and the outer wall of the side frame and come into contact with the mounting frame.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 28, 2023
    Applicant: POSCO CO., LTD
    Inventors: Dong-Yoon SEOK, Hong-Woo LEE, Jaehyun KIM
  • Publication number: 20230415820
    Abstract: The present invention relates to a front side member for a vehicle, which can effectively support a collision load on the front side and can improve the rigidity of a vehicle body, the front side member for a vehicle, comprising: an outer wall; an inner wall positioned to face the outer wall; an outer bead which is formed, along the lengthwise direction of a vehicle body, from the outer wall and has a first groove surface; and an inner bead which is formed, along the lengthwise direction of the vehicle body, from the inner wall and has a second groove surface, wherein the outer bead comprises an area in which a bead depth that is the distance between the outer wall and the first groove surface changes along the lengthwise direction of the vehicle body, and the inner bead comprises an area in which a bead depth that is the distance between the inner wall and the second groove surface changes along the lengthwise direction of the vehicle body.
    Type: Application
    Filed: July 6, 2021
    Publication date: December 28, 2023
    Applicant: POSCO Co., Ltd
    Inventors: Jaehyun Kim, Hong-Woo Lee, Dong-Yoon Seok
  • Publication number: 20230335848
    Abstract: The present invention relates to a battery case capable of minimizing the deformation of a battery by effectively coping with side collisions of an electric vehicle and the like, the battery case comprising: a case body for accommodating a battery cell; and a cover coupled to the case body, wherein the case body comprises: a bottom plate; side frames which are coupled to the bottom plate to surround the battery cell, and which include inner sidewalls and outer sidewalls; a mounting frame coupled to the outer sidewalls of the side frames; and at least one reinforcing material, which is arranged on the bottom plate and has longitudinal both-end portions inserted into the side frames, wherein the end portions of the reinforcing material may come in contact with the mounting frame by penetrating the inner sidewalls and the outer sidewalls of the side frames.
    Type: Application
    Filed: October 8, 2021
    Publication date: October 19, 2023
    Applicant: POSCO Co., Ltd
    Inventors: Dong-Yoon Seok, Hong-Woo Lee, Jae-Hyun Kim
  • Publication number: 20220289300
    Abstract: The present invention relates to a side sill of a vehicle, the side sill being structurally more robust while having reduced costs and weight. The side sill of a vehicle according to an embodiment comprises: a side sill internal panel; a side sill external panel which is spaced apart from the side sill internal panel; a side sill external reinforcement coupled to the side sill external panel; a partition member arranged between the side sill internal panel and the side sill external reinforcement; a first reinforcing member arranged between the partition member and the side sill internal panel; and a second reinforcing member arranged between the partition member and the side sill external reinforcement.
    Type: Application
    Filed: June 2, 2020
    Publication date: September 15, 2022
    Applicant: POSCO
    Inventors: Jaehyun Kim, Hong-Woo Lee, Dong-Yoon Seok
  • Publication number: 20220274510
    Abstract: The present invention relates to a seat frame with reduced weight due to not including a cushion side frame, the seat frame comprising: a pair of rails; a cushion frame which supports a cushion and has a closed cross-sectional shape; front links which connect the rails to the cushion frame on the front side; rear links which connect the rails to the cushion frame on the rear side; and connection brackets which connect the rear links to a seatback frame.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 1, 2022
    Applicant: POSCO
    Inventors: Jae-Hyun Kim, Hong-Woo Lee, Dong-Yoon Seok
  • Publication number: 20220016684
    Abstract: The present invention provides a method for manufacturing a torsion beam, the method comprising: a planarization step, in which a protruding portion of an upper mold presses the opposite end portions in the width direction of the blank to be plastically deformed to be flat while the opposite end portions in the width direction of the blank are supported by a side cam to face each other; a welding and bonding step for bonding the planarized opposite end portions in the width direction of the blank via welding; and a quenching step for heating the welded and bonded blank within a range of 900 to 970° C. for a retaining time within a range of 1 to 20 minutes and for cooling down the blank in a treatment liquid including at least one of water and oil in a range of 20 to 90° C.
    Type: Application
    Filed: November 25, 2019
    Publication date: January 20, 2022
    Inventors: Hong-Woo LEE, Dong-Yoon SEOK, Myong-Ho SHIN, Nam-Sik SA
  • Patent number: 11214891
    Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: January 4, 2022
    Assignee: SK SILTRON CO., LTD
    Inventors: Do-Won Song, Hong-Woo Lee, Sang-Hee Kim, Ho-Jun Lee, Jung-Ryul Kim
  • Patent number: 10777159
    Abstract: Each stage of a gate driver includes a controlling part which increases an electric potential of a boosting line in response to a carry signal of a previous stage and decreases the electric potential of the boosting line in response to the carry signal of a next stage, a first output part which turns on in response to the increased electric potential of the boosting line and receiving a clock signal to output a gate signal of a present stage, and a second output part which turns on in response to the increased electric potential of the boosting line and receiving the clock signal to output the carry signal of the present stage. The boosting line of the present stage is disposed adjacent to a gate line which is connected to one of next stages following the present stage.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Noboru Takeuchi, Masami Igawa, Min soo Kang, Beomjun Kim, YoonHo Kim, Seongyeol Syn, Hong-Woo Lee
  • Publication number: 20190382915
    Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.
    Type: Application
    Filed: August 28, 2019
    Publication date: December 19, 2019
    Inventors: Do-Won SONG, Hong-Woo LEE, Sang-Hee KIM, Ho-Jun LEE, Jung-Ryul KIM
  • Patent number: 10504473
    Abstract: A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Man Kim, Hong-Woo Lee, Jong-Hwan Lee, Hyeon-Hwan Kim, Jong-Hyuk Lee
  • Publication number: 20190366302
    Abstract: A catalyst, a method for preparing thereof, and methods for synthesizing of hydrogen peroxide are disclosed. The catalyst contains an alloy of two elements. Herein, the elements are Au(Aurum) and Pt(Platinum). The method for preparing the catalyst containing the Au—Pt alloy, includes steps of: (a) obtaining a first solution by dissolving dispersing agent and reducing agent into a first solvent; and (b) synthesizing the Au—Pt alloy by adding Au precursor and Pt precursor into the first solution. Herein, the step (b) includes steps of: (b-1) obtaining a second solution by dissolving the Au precursor and the Pt precursor into a second solvent; and (b-2) synthesizing the Au—Pt alloy by adding the second solution into the first solution.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 5, 2019
    Inventors: Seung Yong Lee, Sang Soo Han, Hyo Bin Nam, Hong Woo Lee, So Hye Cho, Ho Seong Jang
  • Patent number: 10435809
    Abstract: The present invention relates to an apparatus for growing a single crystal ingot capable of uniformly controlling an oxygen concentration in a longitudinal direction and a radial direction of a single crystal ingot by uniformly maintaining a convection pattern on a silicon melt interface, and a method for growing the same. In an apparatus for growing a single crystal ingot and a method for growing the same according to the present invention, a horizontal magnet is positioned to be movable up and down by a magnet moving unit around a crucible, so that a maximum gauss position (MGP) is positioned to be higher than the silicon melt interface and simultaneously, a rate of increase in the MGP is controlled to 3.5 mm/hr to 6.5 mm/hr, and thus it possible to secure simplicity and symmetry of convection on the silicon melt interface.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 8, 2019
    Assignee: SK Siltron Co., Ltd.
    Inventors: Do-Won Song, Hong-Woo Lee, Sang-Hee Kim, Ho-Jun Lee, Jung-Ryul Kim