Patents by Inventor Kwang Min Lee
Kwang Min 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).
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Publication number: 20240168434Abstract: Disclosed is an apparatus for measuring texture characteristics of a holographic image that is reconstructed optically by a holographic display device. Provided is an apparatus for measuring texture characteristics of a holographic image, which measures texture characteristics of a holographic image that is reconstructed optically by a holographic display device.Type: ApplicationFiled: November 14, 2023Publication date: May 23, 2024Applicant: Korea Photonics Technology InstituteInventors: Kwang Hoon LEE, Hoe Min KIM, Kyung Il JOO, Min Kyu PARK
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Publication number: 20240168098Abstract: A bus bar assembly and current measuring device configured to reduce measurement errors through linearity compensation and temperature compensation for the difference in values of two or more measured currents, thereby achieving high-accuracy current measurement, is presented. The present invention discloses a bus bar assembly including: a first conductive plate and a second conductive plate each composed of a plurality of parts; and an insulator formed between the first conductive plate and the second conductive plate, wherein a common first terminal hole is formed at one end of the first conductive plate, one end of the second conductive plate, and one end of the insulator, a common second terminal hole is formed at respective opposite ends of the first conductive plate, the second conductive plate, and the insulator. According to the present invention, stable and highly reliable current measurement is possible through multiple shunt resistors based on a redundancy design.Type: ApplicationFiled: November 20, 2023Publication date: May 23, 2024Applicant: SMART ELECTRONICS INC.Inventors: Hong Il CHAE, Hyun Chang KIM, Kwang Hoon LEE, Won Seok KIM, Hyuk Jae KWON, Young Min SON, Hyeon Chang JEONG
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Publication number: 20240172501Abstract: A display panel in one example includes a substrate, an anode including an emission region on the substrate, a reference voltage line adjacent to the anode, and a branch line connected to the reference voltage line to apply a reference voltage from the reference voltage line to the anode via a switching element. The branch line includes a semiconductor layer, and the branch line is between the reference voltage line and the anode.Type: ApplicationFiled: January 29, 2024Publication date: May 23, 2024Applicant: LG Display Co., Ltd.Inventors: Dong Yoon LEE, Kwang Yong CHOI, Seong Hwan HWANG, Byeong Uk GANG, Hye Min PARK
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Patent number: 11991911Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.Type: GrantFiled: May 23, 2023Date of Patent: May 21, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hoon Kwon, Won Kyu Kwak, Kwang-Min Kim, Hey Jin Shin, Seung-Kyu Lee
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Publication number: 20240159837Abstract: The present invention provides a battery monitoring method, which is performed by a battery monitoring device, including: measuring a first voltage drop across both ends of a first shunt resistor of a bus bar electrically connected to a battery and a second voltage drop across both ends of a second shunt resistor, which is in parallel or serial connection with the first shunt resistor; calculating a first current and a second current flowing, respectively, through the first shunt resistor and the second shunt resistor using a first voltage drop value and a second voltage drop value; and determining a state of the battery using a difference between a first current value and a second current value. According to the present invention, it is possible to increase the reliability of monitoring information related to the battery's state by utilizing current values that have undergone linearity compensation and temperature compensation.Type: ApplicationFiled: November 9, 2023Publication date: May 16, 2024Applicant: SMART ELECTRONICS INC.Inventors: Hong Il CHAE, Hyun Chang KIM, Kwang Hoon LEE, Won Seok KIM, Hyuk Jae KWON, Young Min SON, Hyeon Chang JEONG
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Publication number: 20240160486Abstract: A computing resource management system using software modularization in a cluster computing environment in which computing devices are connected, including an application process running on each computing device and an algorithm processing process configured to run independently of the application process and perform task processing on the application process, the computing resource management system including: a task managing system configured to receive a task request message from an application process requiring a task from each computing device; a process managing system configured to confirm an algorithm processing process of computing devices connected to the cluster computing environment, and determine whether there is an algorithm processing process in an idle state to which the application process requested for a task will be assigned; and a performed managing system configured to confirm a result of an application process whose task is performed by the algorithm processing process.Type: ApplicationFiled: October 17, 2023Publication date: May 16, 2024Inventors: Sang Hyun SON, Yeon Chul Song, Myeong Jun Lim, Ji Hoon Yoo, Kwang Sup Kim, Jong Min Lee, Young Ho Park, Jun Ho Oh, Joong Chol Shin, Hyun Cheol Cho
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Publication number: 20240139934Abstract: The inventive concept provides a teaching method for teaching a transfer position of a transfer robot. The teaching method includes: searching for an object on which a target object to be transferred by the transfer robot is placed, based on a 3D position information acquired by a first sensor; and acquiring coordinates of a second direction and coordinates of a third direction of the object based on a data acquired from a second sensor which is a different type from the first sensor.Type: ApplicationFiled: March 8, 2023Publication date: May 2, 2024Applicant: SEMES CO., LTD.Inventors: Jong Min Lee, Kwang Sup Kim, Myeong Jun Lim, Young Ho Park, Yeon Chul Song, Sang Hyun Son, Jun Ho Oh, Ji Hoon Yoo, Joong Chol Shin
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Publication number: 20240144462Abstract: Disclosed are an apparatus and system for evaluating a welding condition on the basis of three-dimensional data. An aspect of the present embodiment provides an apparatus for evaluating a welding condition, the apparatus including a communication unit configured to receive a three-dimensional image for an evaluation target from the outside, a base material recognition unit configured to recognize a base material from the three-dimensional image for the evaluation target by using a point cloud, a bead extraction unit configured to extract a welding bead welded between the base materials, a bead cross-section acquisition unit configured to acquire cross-sections at preset intervals for the extracted welding bead, and a profile analysis unit configured to analyze a profile of the welding bead for the cross-section acquired by the bead cross-section acquisition unit.Type: ApplicationFiled: October 27, 2023Publication date: May 2, 2024Applicant: Korea Photonics Technology InstituteInventors: Hoe Min KIM, Sung Kuk CHUN, Seon Man KIM, Kwang Hoon LEE, Jeong Rok YUN, Un Yong KIM
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Publication number: 20240140224Abstract: A charging cable for an electric vehicle includes a cable main body having a flat cross-section in a width direction thereof and partitioned into a plurality of internal regions. The charging cable includes terminal portions through which positive and negative power cables, a communication/sensor cable, a coolant flow channel, and a ground pass into the plurality of internal regions, respectively. The terminal portions are arranged in a row in the width direction of the cable main body.Type: ApplicationFiled: March 3, 2023Publication date: May 2, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Hyung Lee, Sang Jin Lee, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240131943Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.Type: ApplicationFiled: February 6, 2023Publication date: April 25, 2024Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240131835Abstract: A method for manufacturing a display device includes a stage; a first guide unit positioned on one side of the stage in a first direction and extending in a second direction crossing the first direction; and a first peeling unit disposed on the first guide unit, wherein the first peeling unit includes a first moving part configured to move along the first guide unit, a first rotating part coupled to the other side of the first moving part in the first direction and configured to rotate about an axis extending in the first direction, and a first gripping part coupled to the other side of the first rotating part in the first direction and disposed to overlap the stage.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Sung Dong PARK, Kwang Min Lee
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Patent number: 11961223Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.Type: GrantFiled: April 20, 2021Date of Patent: April 16, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SOOKMYUNG WOMEN'S UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Jong Ho Park, Chang Gon Kim, Chul Woo Jung, Sang Min Lee, Min Kyoo Kang, Ji Un Lee, Kwang Hyeon Hwang, Nam Woo Kang, So Young Yoo, Seong Sin Kim, Sung Hee Lee
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Publication number: 20240119904Abstract: A display device is provided. The display device may include a substrate, a plurality of pixels, a first data line, a second data line, a defect sensing line, a first input pad, and a static electricity discharge element. The substrate may include a display area and a peripheral area neighboring each other. The plurality of pixels may be positioned on the display area and may include a first pixel and a second pixel. The first data line may be electrically connected to the first pixel. The second data line may be electrically connected to the second pixel and may be electrically isolated from the first data line. The defect sensing line may be positioned on the peripheral area. The first input pad may be electrically connected to the defect sensing line. The static electricity discharge element may be electrically connected through the defect sensing line to the first input pad.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Inventors: Kwang-Min KIM, Seung-Kyu LEE, Won Kyu KWAK
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Patent number: 11952442Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.Type: GrantFiled: October 28, 2019Date of Patent: April 9, 2024Assignee: LG CHEM, LTD.Inventors: Jin Hyuck Ju, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Yang Jun Jeon, Jae Hyun Park
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Patent number: 11953366Abstract: A fluid level measurement system using a buoyant body includes a guide part installed in a direction perpendicular to the bottom surface of a fluid storage tank, and provided with a space in which a fluid can move therein; a buoyant body inserted into the guide part, and configured to float along the surface of the fluid inside the guide part; and a measurement part coupled to the top end of the guide part, and configured to measure the level of the surface of the fluid inside the fluid storage tank by transmitting a signal toward the buoyant body in the inner space of the guide part and then receiving a signal reflected from the buoyant body.Type: GrantFiled: July 7, 2022Date of Patent: April 9, 2024Assignee: HANRA IMS CO., LTDInventors: Suk Joon Ji, Young Gu Kim, Jong Min Chung, Chae Ho Lee, I-Hwan Cheon, Kwang Ik Chun, Dong Sik Jang
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Patent number: 11952443Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.Type: GrantFiled: October 30, 2019Date of Patent: April 9, 2024Assignee: LG CHEM, LTD.Inventors: Yang Jun Jeon, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Jin Hyuck Ju, Jae Hyun Park
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Patent number: 11939494Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.Type: GrantFiled: August 17, 2021Date of Patent: March 26, 2024Assignee: LG CHEM, LTD.Inventors: Jong Min Jang, Byoung Ju Choi, Kwang Joo Lee, Yu Lin Sun
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Publication number: 20240099103Abstract: A display device includes a display area, a peripheral area disposed outside the display area, and a sealing area disposed outside the peripheral area, a first base substrate, a second base substrate facing the first base substrate, a color filter layer disposed under the first base substrate, a bank layer disposed under the color filter layer, and a sealing member disposed between the bank layer and the second base substrate in the sealing area. The bank layer includes bank patterns defining an opening disposed at least in the sealing area, and the sealing member fills the opening. Each of the bank patterns includes a first surface adjacent to the color filter layer and a second surface opposite to the first surface and adjacent to the sealing member. A width of the second surface is greater than a width of the first surface.Type: ApplicationFiled: April 28, 2023Publication date: March 21, 2024Applicant: Samsung Display Co., LTD.Inventors: KWANG-MIN LEE, JUNHWI LIM, MIN-UK KIM, HO-YONG SHIN, SEON UK LEE, KANG SOO HAN
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Publication number: 20240086603Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicant: SAMSUNG ELECTRONICS CO, LTD.Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
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Patent number: D1024381Type: GrantFiled: November 11, 2022Date of Patent: April 23, 2024Inventors: Sang Min Lee, Kwang Duck Han