Patents by Inventor Won-Jun Lee

Won-Jun 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).

  • Patent number: 11023201
    Abstract: An electronic device is provided. The electronic device includes a housing, a touchscreen display exposed through a first portion of the housing, a microphone disposed at a second portion of the housing, a speaker disposed at a third portion of the housing, a memory disposed inside the housing, a processor disposed inside the housing, and electrically connected to the display, the microphone, the speaker, and the memory. The memory is configured to store a plurality of application programs, each of which includes a graphic user interface (GUI).
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In Jong Rhee, Ji Min Lee, Sang Ki Kang, Han Jun Ku, Sung Pa Park, Jang Seok Seo, In Wook Song, Won Ick Ahn, Kyoung Gu Woo, Ji Soo Yi, Chang Kyun Jeon, Ho Jun Jaygarl, Il Hwan Choi, Yoo Jin Hong, Ji Hyun Kim, Jae Yung Yeo
  • Publication number: 20210159529
    Abstract: The present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell. More specifically, the present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell, the method comprising: preparing an electrode layer; preparing a porous support layer; and positioning the electrode layer on each of both surfaces of the porous support layer, and hot pressing the electrode layer positioned on both surfaces of the porous support layer, wherein the preparing of the electrode layer comprises: forming a functional layer including a hydrogen ion conductive binder resin on at least a portion on an electrode catalyst layer; and forming an electrolyte layer on at least a portion on the functional layer.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 27, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Sung Hee SHIN, Byung Chan BAE, Seok Hee PARK, Chang Soo KIM, Won Yong LEE, Gu Gon PARK, Tae Hyun YANG, Sung Dae YIM, Min Jin KIM, Young Jun SOHN, Seung Gon KIM, Dong Won SHIN, Hwan Yeong OH, Hye Jin LEE
  • Patent number: 11019345
    Abstract: Disclosed are a method and apparatus for improving the accuracy of intra-prediction in order to improve encoding and decoding efficiency. The video decoding method may improve the prediction efficiency for the current pixel to be predicted by referring to the degree of variation in surrounding pixels, to thereby effectively decode the bit stream with improved encoding efficiency. In addition, an additional prediction candidate is used to achieve improved accuracy of intra-prediction, and the thus-improved accuracy of intra-prediction may reduce residual components and improve encoding efficiency. Further, an improved planar mode is utilized to achieve improved intra-prediction.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: May 25, 2021
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Je Chang Jeong, Ki Baek Kim, Won Jin Lee, Hye Jin Shin, Jong Sang Yoo, Jang Hyeok Yun, Kyung Jun Lee, Jae Hun Kim, Sang Gu Lee
  • Publication number: 20210148514
    Abstract: Disclosed is a BOG reliquefaction system. The BOG reliquefaction system includes: a compressor compressing BOG; a heat exchanger cooling the BOG compressed by the compressor through heat exchange using BOG discharged from a storage tank as a refrigerant; a bypass line through which the BOG is supplied to the compressor after bypassing the heat exchanger; a second valve disposed on a second supply line through which the BOG used as the refrigerant in the heat exchanger is supplied to the compressor, the second valve regulating a flow rate of fluid and opening/closing of the second supply line; and a pressure reducer disposed downstream of the heat exchanger and reducing a pressure of fluid cooled by the heat exchanger, wherein the compressor includes at least one oil-lubrication type cylinder and the bypass line is joined to the second supply line downstream of the second valve.
    Type: Application
    Filed: August 3, 2017
    Publication date: May 20, 2021
    Inventors: Joon Chae LEE, Dong Kyu CHOI, Won Jae CHOI, Hyun Jun SHIN
  • Publication number: 20210138583
    Abstract: A laser machining nozzle includes: a nozzle body coupled to a machining head; and a flow path formed through the nozzle body in a longitudinal axis of the nozzle body to allow a machining-assist gas to be injected toward a workpiece therethrough while a laser beam is emitted toward the workpiece, wherein the flow path comprises a first flow path formed in a flow direction of the machining-assist gas and generating a supersonic flow of the machining-assist gas; a second flow path connected to the first flow path in the flow direction of the machining-assist gas and expanding a volume of the machining-assist gas having passed through the first flow path; and a flow path boundary defining a boundary between the first flow path and the second flow path.
    Type: Application
    Filed: February 20, 2017
    Publication date: May 13, 2021
    Applicant: HK CO., LTD.
    Inventors: Won Jae LEE, Hak Jae LEE, Sung Jun JO, Yang Jae SHIN
  • Publication number: 20210132727
    Abstract: A display device is provided. The display device includes: a display panel including a first area, a second area, and a folding area between the first area and the second area, and a force sensor at one surface of the display panel. The force sensor includes a plurality of first touch cells overlapping the first area or the second area, a plurality of second touch cells overlapping the folding area, and a touch driver which controls a threshold voltage of the plurality of second touch cells on the basis of an intensity of a base force of the plurality of second touch cells.
    Type: Application
    Filed: July 14, 2020
    Publication date: May 6, 2021
    Inventors: Hyeon Jun LEE, Won Ki HONG, So Hee PARK, Hee SEOMOON
  • Publication number: 20210124452
    Abstract: A display device controls a display by changing a reference value set in a foldable area of a display panel. The display device includes a display panel displays an image and outputs force sensing signals, and a controller that converts the force sensing signals into force values and controls the display when the force values in the foldable area of the display area are equal to or greater than a second reference value different from a first reference value.
    Type: Application
    Filed: June 22, 2020
    Publication date: April 29, 2021
    Inventors: WON KI HONG, So Hee Park, Moon Hee Seo, Hyeon Jun Lee
  • Publication number: 20210121673
    Abstract: Disclosed is a microneedle including: a needle part including a plurality of tips formed from a liquid formulation formed with a medicinal solution and capable of penetrating the skin; and a base for supporting the plurality of tips; and a guide part configured to guide the needle part to penetrate the skin, wherein the needle part is provided with separation guides formed between the tips and the base to separate the tips from the base. According to such a configuration, the tips rapidly penetrate the skin and are rapidly separated therefrom, which allows quantitative drug delivery.
    Type: Application
    Filed: November 7, 2018
    Publication date: April 29, 2021
    Applicant: Gachon University of Industry-Academic Cooperation Foundation
    Inventors: Jung Hwan PARK, Won Jun LEE, Ji Seok KIM, Hye Rin JEONG, Jee Hyun PARK
  • Publication number: 20210117064
    Abstract: A force sensor includes: a plurality of touch cells comprising a plurality of driving electrodes, a pressure sensing layer overlapping the driving electrodes, and a plurality of sensing electrodes overlapping the pressure sensing layer; and a touch driver configured to receive a raw data from the plurality of touch cells and to detect a touch pressure applied to the plurality of touch cells. The touch driver includes: a filtering unit configured to filter the raw data and to output sensing data; a data storage unit configured to store max data having the highest value from among the sensing data and propagation data of at least one adjacent touch cell adjacent to a max touch cell having the max data; and a noise removing unit configured to detect and remove noise from the sensing data.
    Type: Application
    Filed: June 4, 2020
    Publication date: April 22, 2021
    Inventors: Hyeon Jun LEE, Won Ki HONG, So Hee PARK, Hee SEOMOON
  • Patent number: 10967164
    Abstract: Discloses is a method of manufacturing a micro-needle. The method includes a step of preparing a medicinal solution, a step of forming a plurality of tips with the medicinal solution, and a step of forming a cavity in each of the tips. In accordance with such a configuration, a micro-needle in which cavities are formed is provided, whereby it is possible to administer a fixed amount of medicine in a short time.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: April 6, 2021
    Assignee: GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jung Hwan Park, Ji Yeon Kim, Jee Hyun Park, Won Jun Lee
  • Patent number: 10910626
    Abstract: A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a first lead tab electrically connected to the first electrode; a second lead tab electrically connected to the second electrode; a case accommodating the electrode assembly, the first lead tab, and the second lead tab therein, with an opening in a top of the case; a cap plate closing the opening of the case; and a bottom retainer on a bottom interior of the case, the bottom interior facing the top of the case, the bottom retainer including a non-contact region not in contact with the bottom interior of the case.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Won-Jun Lee, Sang-Won Byun, Hong-Hyeon Lee
  • Publication number: 20200393820
    Abstract: Provided is a dispatching method in a factory based on reinforcement learning. The dispatching method in a factory based on reinforcement learning may comprise: constructing a Markov decision process (MDP) for dispatching actions of a dispatcher in the factory and resulting rewards and states of the factory; performing learning by applying reinforcement learning (RL) to the constructed MDP; and as a result of said RL, selecting a job that maximizes a weighted sum of a plurality of scored dispatching rules.
    Type: Application
    Filed: June 4, 2020
    Publication date: December 17, 2020
    Applicant: VMS Solutions Co., Ltd.
    Inventors: Won-Jun LEE, Byung-Hee KIM, Goo-Hwan CHUNG
  • Patent number: 10833251
    Abstract: A composition for cleaning a magnetic pattern, a method of manufacturing a magnetic memory device, a method of forming a magnetic pattern, and a magnetic memory device, the composition including a glycol ether-based organic solvent; a decomposing agent that includes an aliphatic amine; and at least one of a chelating agent, or a cleaning accelerator that includes an organic alkaline compound, wherein the composition is devoid of water.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: November 10, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMYOUNG PURE CHEMICALS CO., LTD.
    Inventors: Ho-Young Kim, Jin-Hye Bae, Hoon Han, Won-Jun Lee, Chang-Kyu Lee, Geun-Joo Baek, Jung-Ig Jeon
  • Publication number: 20200348553
    Abstract: A liquid crystal display includes: a first display panel including a transistor; a second display panel disposed facing the first display panel, the second display panel including: a light blocking member overlapping the transistor, the light blocking member including: a first portion having a first thickness; and a second portion having a second thickness; and a liquid crystal layer disposed between the first display panel and the second display panel, wherein the second thickness is thinner than the first thickness.
    Type: Application
    Filed: February 13, 2020
    Publication date: November 5, 2020
    Inventors: Won Jun LEE, You Sik SHIN, Youn Hak JEONG, Hak Sun CHANG, Jin Joo HA
  • Patent number: 10798761
    Abstract: A method for establishing a plurality of protocol data unit (PDU) sessions between a user equipment (UE) and a data network (DN) by the UE may comprise transmitting a message to establish the plurality of PDU sessions to at least one network function (NF) of a plurality of NFs, exchanging a signal to establish the plurality of PDU sessions among the UE, a radio access network (RAN), and the plurality of NFs based on the message, and establishing the plurality of PDU sessions between the UE and the DN according to predetermined priority and based on the signal, wherein each of the plurality of PDU sessions corresponds to a network slice (NS) for a particular service, wherein the message includes information about the particular service corresponding to the plurality of PDU sessions, and wherein the priority is determined based on the information about the particular service.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 6, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Young-Kyo Baek, Jung-Je Son, Sung-Hoon Kim, Sang-Heon Pack, Ho-Yeon Lee, Han-Eul Ko, Won-Jun Lee, Cheng Long Shao, Jae-Wook Lee, Hee-Jun Roh, Tae-Kyung Kim, Sun-Jae Kim
  • Patent number: 10795442
    Abstract: Disclosed is an electronic device including: a communication interface; at least one first vibration device; and a processor, wherein the processor is configured to determine vibration information including a first time for vibrating the at least one first vibration device and a second time for vibrating at least one second vibration device included in an external device to which the electronic device is mounted, based at least partially on information included in content to be outputted by the electronic device, transmit, through the communication interface, at least part of the vibration information to the external device such that the external device vibrates the at least one second vibration device based at least partially on the second time, and control the at least one first vibration device to vibrate based at least partially on the first time while the content is outputted.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Jun Lee, Sun Young Yi, Ji Won Kim, Young Hak Oh, Yong Gu Lee, Kyu Ok Choi
  • Publication number: 20200275119
    Abstract: There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.
    Type: Application
    Filed: January 7, 2020
    Publication date: August 27, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gun BANG, Hui Yong KIM, Gwang Hoon PARK, Woo Woen GWUN, Tae Hyun KIM, Won Jun LEE
  • Patent number: 10747070
    Abstract: A liquid crystal display device includes a first row including first, second, and third first-color pixels; a second row including fourth, fifth, and sixth first-color pixels; and a third row including seventh, eighth, and ninth first-color pixels. The first, fourth, and seventh first-color pixels are aligned. The second, fifth, and eighth first-color pixels are aligned. The third, sixth, and ninth first-color pixels are aligned. The second first-color pixel is disposed between the first and third first-color pixels. Each pixel electrode of the first, third, fifth, seventh, and ninth first-color pixels may receive a high voltage for a gray level. Each pixel electrode of the second, fourth, sixth, and eighth first-color pixels may receive a low voltage for a gray level lower than the high voltage for a gray level. Liquid crystal molecules in each pixel have two domain directions.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Ki Park, Tae-Jong Jun, Youn Hak Jeong, Won Jun Lee, Jin Joo Ha
  • Publication number: 20200241423
    Abstract: An apparatus for removing photoresists includes a chamber including a substrate support, configured to support a substrate, and a nozzle unit disposed toward the substrate support, an ozone solution generator configured to generate an ozone solution, an acid solution reservoir configured to store an acid solution, first and second supply lines connected to the ozone solution generator and the acid solution reservoir respectively, and an in-line mixer configured to prepare a photoresist removing solution by mixing the ozone solution supplied from the first supply line, and the acid solution supplied from the second supply line, and supply the photoresist removing solution to the nozzle unit.
    Type: Application
    Filed: September 20, 2019
    Publication date: July 30, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jung LEE, Ji Hun CHEON, Won Jun LEE
  • Patent number: 10728479
    Abstract: An image sensing device is provided to provide a same effect as in performing testing associated with different integration or exposure times without changing an exposure or integration time. The image sensing device includes an active pixel region configured to include a plurality of active pixels, a dummy pixel region located at an outer wall of the active pixel region, configured to include a plurality of dummy pixels, and a light quantity control pattern configured to allow different quantities of light to be incident upon the respective dummy pixels.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 28, 2020
    Assignee: SK hynix Inc.
    Inventors: Won Jun Lee, Bo Kwang Hwang