Patents by Inventor Dong Wook Lee

Dong Wook 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: 20220209271
    Abstract: Disclosed are a radical scavenger, a method for preparing same, and a membrane-electrode assembly containing same, wherein the radical scavenger can maintain the performance of a fuel cell for a long time and enhance the lifespan thereof since the elution of metal ions derived from radical scavenging particles during fuel cell operation can be continuously prevented for a long time. The radical scavenger of the present invention comprises: radical scavenging particles; and a porous protective film on the surface of the radical scavenging particles, wherein the porous protective film comprises at least one material of high oxidative stability selected from the group consisting of silica, carbon nitride, heteroatom-doped graphene, a porphyrin-based compound, a phenazine-based compound, and derivatives thereof.
    Type: Application
    Filed: May 8, 2020
    Publication date: June 30, 2022
    Inventors: Hee-Tak KIM, Seongmin YUK, Dong Wook LEE, Kah-Young SONG, Jun Young KIM
  • Publication number: 20220203334
    Abstract: Disclosed are a catalyst for oxidative coupling reaction of methane, a method for preparing the same, and a method for oxidative coupling reaction of methane using the same. The catalyst includes a mixed metal oxide, which is a mixed oxide of metals including sodium (Na), tungsten (W), manganese (Mn), barium (Ba) and titanium (Ti). It is possible to obtain paraffins, such as ethane and propane, and olefins, such as ethylene and propylene, with high efficiency through the method for oxidative coupling reaction of methane using the catalyst.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 30, 2022
    Inventors: Jeong-Myeong HA, Lien Thi DO, Jae Wook CHOI, Dong Jin SUH, Young Hyun YOON, Gi Seok YANG, Hyun Joo LEE
  • Publication number: 20220191530
    Abstract: A method and apparatus for intra prediction include a prediction unit that is divided into sub-units and predicted in the sub-units. A video decoding method includes: determining whether to split a current block into multiple subblocks; when the current block is split into the multiple subblocks, determining a split direction for the current block between a horizontal split direction and a vertical split direction and the number of the subblocks, based on split information decoded from a bitstream and a width and a height of the current block; reconstructing the current block by sequentially reconstructing the subblocks, that are specified according to the split direction and the number of the subblocks, using intra prediction; and setting a grid of N samples at regular intervals in horizontal and vertical directions and performing deblock-filtering on, among boundaries between the subblocks in the current block, boundaries that coincide with a boundary of the grid.
    Type: Application
    Filed: March 12, 2020
    Publication date: June 16, 2022
    Inventors: Dong Gyu Sim, Jong Seok Lee, Sea Nae Park, Jun Taek Park, Seung Wook Park, Wha Pyeong Lim
  • Publication number: 20220191531
    Abstract: A video decoding method and a video decoding apparatus are configured to decode video. To efficiently code residual blocks obtained from block-based motion compensation, a video encoding apparatus and the video decoding apparatus divide a relevant residual block of a current block into two subblocks in a horizontal or vertical direction and encode one residual subblock alone out of the two residual subblocks.
    Type: Application
    Filed: March 12, 2020
    Publication date: June 16, 2022
    Inventors: Dong Gyu Sim, Jong Seok Lee, Sea Nae Park, Seung Wook Park, Wha Pyeong Lim
  • Publication number: 20220184612
    Abstract: Provided a thermal cycler. In a case in which plurality of heat sinks participate in thermal control of a plurality of thermally independent sample holders for reliable nucleic acid reactions of the plurality of sample holder, a barrier is present between the adjacent heat sinks.
    Type: Application
    Filed: March 18, 2020
    Publication date: June 16, 2022
    Inventors: Young Wook KIM, Dong Woo KANG, Hye Jin LEE
  • Publication number: 20220189568
    Abstract: The present technology relates to an electronic device. A memory device that controls a voltage applied to each line to prevent or mitigate a channel negative boosting phenomenon during a sensing operation includes a memory block connected to a plurality of lines, a peripheral circuit configured to perform a sensing operation on selected memory cells connected to a selected word line among the plurality of lines, and control logic configured to control voltages applied to drain select lines, source select lines, and word lines between the drain select lines and the source select lines among the plurality of lines, during the sensing operation and an equalizing operation performed after the sensing operation. The control logic controls a voltage applied to an unselected drain select line according to whether a cell string is shared with a selected drain select line among the drain select lines, during the sensing operation.
    Type: Application
    Filed: June 24, 2021
    Publication date: June 16, 2022
    Applicant: SK hynix Inc.
    Inventors: Dong Uk LEE, Hae Chang YANG, Hun Wook LEE
  • Publication number: 20220190648
    Abstract: Disclosed a wireless power transfer system configured to selectively drive at least one transmitting coil among transmitting coils that are included in a transmitter; and an operation method of the wireless power transfer system, and more particularly, to a technology of verifying a coupling coefficient between each of transmitting coils and a receiving coil when the receiving coil is located on the transmitting coils and selectively driving at least one transmitting coil among the transmitting coils based on the verified coupling coefficient.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 16, 2022
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young AHN, Bom Son LEE, Jong Wook KIM, Bum Jin PARK, Dong Ryul PARK, Sung Ryul HUH
  • Publication number: 20220180813
    Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Inventors: JIN WOOK YANG, JI HYE KIM, YOUNG HA SOHN, DONG GYU LEE, JAE HYEON JEON
  • Publication number: 20220182618
    Abstract: Disclosed herein are a method, an apparatus, and a storage medium for image encoding/decoding using filtering. The image encoding method and the image decoding method perform classification on a classification unit of a target image, and perform filtering that uses a filter on the classification unit. A classification index of the classification unit is determined, and the classification index indicates a filter to be used for filtering on the classification unit, among multiple filters. The classification index is determined by various coding parameters, such as an encoding mode of the target block and an encoding mode of a neighboring block adjacent to the target block.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 9, 2022
    Applicants: Electronics and Telecommunications Research Institute, Korea University Research and Business Foundation
    Inventors: Youn-Hee KIM, Se-Yoon JEONG, Hyoung-Jin KWON, Dong-Hyun KIM, Ji-Hoon DO, Joo-Young LEE, Jin-Soo CHOI, Jong-Ho KIM, Tae-Jin LEE, Dong-Wook KIM, Seung-Won JUNG
  • Patent number: 11349057
    Abstract: A thermoelectric module includes an N-type thermoelectric material and a P-type thermoelectric material disposed so as to be spaced apart from the N-type thermoelectric material. A flexible electrode is electrically connected to the N-type thermoelectric material and the P-type thermoelectric material. The flexible electrode is configured to bend to match a curvature of an object, e.g., a steering wheel of a vehicle.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: May 31, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-Academic Cooperation Foundation
    Inventors: Byung Wook Kim, Jin Woo Kwak, Hoo Dam Lee, Woo Ju Lee, Woo Chul Kim, Ji Yong Kim, Dong Keon Lee
  • Patent number: 11345647
    Abstract: The present disclosure relates to a process for producing 1,1,2-trichloroethane. According to the present disclosure, a process for producing 1,1,2-trichloroethane with a simplified equipment and a high reaction yield is provided.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: May 31, 2022
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Dong Wook Lim, Shin Beom Lee, Jung Hun Kim
  • Publication number: 20220164609
    Abstract: Disclosed herein are an object recognition apparatus of an automated driving system using error removal based on object classification and a method using the same. The object recognition method is configured to train a multi-object classification model based on deep learning using training data including a data set corresponding to a noise class, into which a false-positive object is classified, among classes classified by the types of objects, to acquire a point cloud and image data respectively using a LiDAR sensor and a camera provided in an autonomous vehicle, to extract a crop image, corresponding to at least one object recognized based on the point cloud, from the image data and input the same to the multi-object classification model, and to remove a false-positive object classified into the noise class, among the at least one object, by the multi-object classification model.
    Type: Application
    Filed: July 20, 2021
    Publication date: May 26, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong-Jin LEE, Do-Wook KANG, Jungyu KANG, Joo-Young KIM, Kyoung-Wook MIN, Jae-Hyuck PARK, Kyung-Bok SUNG, Yoo-Seung SONG, Taeg-Hyun AN, Yong-Woo JO, Doo-Seop CHOI, Jeong-Dan CHOI, Seung-Jun HAN
  • Patent number: 11340483
    Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kang Bin Yi, Dong Rak Ko, Sung Ho Kim, Eun Ji Seo, Sung Hun Son, Hee Kyun Shin, Seok Lyul Yoon, Jeong Seok Lee, Sung Wook Jung, Hwan Kyeong Jeong
  • Patent number: 11340732
    Abstract: The present inventive concepts relate to a noise compensation device and method of a touch-sensing panel, and to a noise avoiding device and method. The noise compensation device of a touch-sensing device according to some example embodiments includes: a noise compensation signal generator configured to generate mutually different noise compensation signals for at least portions of first to Nth channels included in the touch-sensing panel; and a noise cancelling signal output circuit configured to generate noise-compensated reception signals based on the mutually different noise compensation signals and provide the noise-compensated reception signals to each of at least two channels among the first to Nth channels, wherein N is an integer two or greater.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 24, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Chui Lee, San Ho Byun, Yoon Kyung Choi, Choong Hoon Lee, Bum Soo Kim, Ho Suk Na, Dong Wook Lim
  • Patent number: 11341754
    Abstract: Provided are a calibration method and a calibration apparatus for steering assist or autonomous driving of a vehicle in which lines on a road are detected from an image and coordinates of the lines in an image domain are transformed into coordinates in a world domain to update homography matrix that represents a transformation relationship between the image domain and the world domain, and controlling the vehicle traveling on the road based on the lines.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-ju Lee, Ja-hoo Koo, Se-ho Shin, Dong-wook Lee
  • Patent number: 11341934
    Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Gyu Lee, Ji Hye Kim, Jin Wook Yang, Jae Hyeon Jeon
  • Patent number: 11341305
    Abstract: A method of predicting a shape of a semiconductor device includes implementing a modeled semiconductor shape with respect to a designed semiconductor layout, extracting a plurality of samples by independently linearly combining process variables with respect to the modeled semiconductor shape; generating virtual spectrums with respect to ones of the extracted plurality of samples through optical analysis, indexing the virtual spectrums to produce indexed virtual spectrums, generating a shape prediction model by using the indexed virtual spectrums as an input and the modeled semiconductor shape as an output, and indexing a spectrum measured from a manufactured semiconductor device and inputting the spectrum to the shape prediction model to predict a shape of the manufactured semiconductor device.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: May 24, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-Hoon Kim, Do-Yun Kim, Ki-Wook Song, Sung-Bo Shim, Ji-Hye Lee, Dong-Chul Ihm, Woo-Young Cheon
  • Patent number: 11335732
    Abstract: Image sensors are provided. An image sensor includes a color filter layer. The image sensor includes a metal structure adjacent a sidewall of the color filter layer. The image sensor includes an insulating layer on the color filter layer. Moreover, the image sensor includes an electrode layer on the insulating layer. Methods of forming image sensors are also provided.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 17, 2022
    Inventors: Kwang-min Lee, Kyoung-won Na, Dong-mo Im, Jung-wook Lim, Seok-jin Kwon
  • Patent number: 11330913
    Abstract: The present invention relates to a method of operating a smart mattress system enabling alarm control, wherein a user is allowed to transition to a light sleep state before an alarm time set by the user. Furthermore, an air mattress and an air pillow interlock with a user terminal so that the user can easily control the air mattress and the air pillow.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: May 17, 2022
    Assignee: IOBED INC.
    Inventors: Young Jun Yu, Dong Hun Lee, Keon Yong Lee, Dong Wook Shin, Seung Mo Kim
  • Publication number: 20220150470
    Abstract: The present embodiment, for an intra prediction method used by an intra prediction device, provides the method comprising: decoding, from a bitstream, mode information indicating use of a prediction derivation mode for a prediction mode block; deriving an intra prediction mode of each pixel group from intra prediction modes of pre-reconstructed reference pixels at a plurality of positions near the prediction mode block for each pixel group including one or more pixels in the prediction mode block; and intra-predicting the pixels in each pixel group using the intra prediction mode of each pixel group.
    Type: Application
    Filed: March 20, 2020
    Publication date: May 12, 2022
    Inventors: Dong Gyu Sim, Sea Nae Park, Jong Seok Lee, Seung Wook Park, Wha Pyeong Lim