Patents by Inventor In-Kyu Hwang
In-Kyu Hwang 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: 20240192419Abstract: Provided are a polarizing plate and an optical display device including same, the polarizing plate comprising: a polarizer; and a laminate having a first phase difference layer and a second phase difference layer laminated on the lower surface of the polarizer, wherein the short wavelength dispersion of the first phase difference layer is less than the short wavelength dispersion of the second phase difference layer, the first phase difference layer has, at a wavelength of 550 nm, an in-plane phase difference of 280 nm to 400 nm and a degree of biaxiality of more than 1 and less than 1.6, the second phase difference layer has, at a wavelength of 550 nm, an in-plane phase difference of 140 nm to 260 nm 550 nm and a degree of biaxiality of less than 0, and the difference between the in-plane phase difference of the first phase difference layer and the in-plane phase difference of the second phase difference layer at a wavelength of 550 nm is 130 nm to 150 nm.Type: ApplicationFiled: March 22, 2022Publication date: June 13, 2024Inventors: Bong Choon KIM, Yeon Ju JUNG, Seo Young KANG, Seon Oh HWANG, Kwang Ho SHIN, Jong Kyu CHOI, Il Woong BAEK
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Publication number: 20240195293Abstract: A circuit for preventing power imbalance of a resonance-type power converter is proposed. The circuit may include a rectifier converting input alternating current (AC) into direct current (DC) and frequency-controlled first and second resonant converter modules configured to receive an output voltage of the rectifier divided into two stages. The circuit may further include a controller outputting a first frequency command for controlling a frequency of a pulse width modulation (PWM) signal supplied to a switching element of a first switching unit of the first resonant converter module. The circuit may further include a frequency compensator compensating for the first frequency command and then outputting a second frequency command for controlling a frequency of a PWM signal supplied to a switching element of a second switching unit of the second resonant converter module, so as to eliminate power imbalance between the first and second resonant converter modules.Type: ApplicationFiled: December 4, 2023Publication date: June 13, 2024Inventors: Dong Myoung JOO, Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Sang Min PARK, Dae Yeon HWANG, Hyoung Kyu YANG, Poo Reum JANG
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Publication number: 20240182663Abstract: The present disclosure relates to a method for recovering styrene monomers from waste polystyrene, and more specifically, to a method for recovering styrene monomers from waste polystyrene, in which the waste polystyrene is depolymerized using an eco-friendly solvent and a potassium-containing carbonate depolymerization catalyst to suppress the generation of ethylbenzene, etc. generated as by-products in a styrene monomer recovery step, and thus the styrene monomers can be recovered in high yield.Type: ApplicationFiled: April 15, 2022Publication date: June 6, 2024Applicant: Korea Research Institute of Chemical TechnologyInventors: Gwang Nam Yun, Dong Won Hwang, Young Kyu Hwang, Do Young Hong
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Publication number: 20240181904Abstract: A control box for charging includes a second connector disposed at a first end of the control box and configured to be coupled to a first connector provided at a first end of a supply cable configured to be connected to an external power source. The control box includes a retainer configured to prevent separation of the first connector when the first connector and the second connector are completely coupled. A top of the control box is open at a position corresponding to the second connector and the retainer is inserted through the open top and moved up and down.Type: ApplicationFiled: April 17, 2023Publication date: June 6, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA ELECTRIC TERMINAL CO., LTD., THN CORPORATIONInventors: Yun Jae Jung, Seung Min Yoo, Byeong Kyu Kim, Yun Chan Hwang, Jeong Ki Kyeong, Jong Hyok Kim, Tae Hong Yun, Seong Cheol Hong, Wan June Kim, Ja Min Kim
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Publication number: 20240180009Abstract: A display device includes: a display panel including a first portion, a second portion, and a bending portion disposed between the first portion and the second portion, a first black matrix disposed in the first portion and disposed adjacent to a boundary of the first portion, an anti-reflective layer disposed in the first portion to cover the first black matrix and extending to the bending portion, a second black matrix disposed on the anti-reflective layer, disposed adjacent to a boundary of the anti-reflective layer, and overlapping the first black matrix and the bending portion in a plan view, and a window disposed on the anti-reflective layer to cover the second black matrix.Type: ApplicationFiled: July 12, 2023Publication date: May 30, 2024Inventors: JEONGHO HWANG, EUN-KYUNG YEON, JUNGKYU LEE, KYU-HO JUNG
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Patent number: 11996567Abstract: A battery module includes a plurality of secondary battery cells, a housing member accommodating a plurality of the secondary battery cells therein, and an insulating member disposed on an inner surface of the housing member, preventing flow of electrical current to the housing member, having a heat transfer function to discharge heat of the secondary battery cell externally, and formed to have a predetermined thickness.Type: GrantFiled: November 23, 2020Date of Patent: May 28, 2024Assignee: SK ON CO., LTD.Inventors: Myeong Hwan Ma, Seok Min Kim, Seo Roh Rhee, Hae Ryong Jeon, Seung Hoon Ju, Yang Kyu Choi, Dong Ha Hwang
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Patent number: 11994881Abstract: An identification method and an unmanned aerial vehicle (UAV) detection apparatus are provided. The identification method, as a method for preventing a collision that may occur in a process of detecting and identifying a plurality of UAVs flying in the air, detects a plurality of UAVs in the air and determines a legitimacy of flight of each of the plurality of UAVs using an identification information request message.Type: GrantFiled: April 28, 2021Date of Patent: May 28, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jinhyung Oh, Kyu-Min Kang, Jae Cheol Park, Dong Woo Lim, Su Na Choi, Sunghyun Hwang
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Publication number: 20240168093Abstract: The present invention relates to an apparatus and a method of predicting a low-voltage failure of a secondary battery.Type: ApplicationFiled: June 17, 2022Publication date: May 23, 2024Applicants: LG Chem, Ltd., LG Chem, Ltd.Inventors: Changsun Kong, Sunmin Kim, Kyu Hwang Lee
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Publication number: 20240148856Abstract: Provided is a vaccine composition for preventing respiratory syncytial virus (RSV) infection, which is in the form of a liposome formulation including a RSV antigen, monophosphoryl lipid A (MLA), and/or a cobalt-porphyrin-phospholipid (CoPoP) conjugate. The vaccine composition exhibits excellent vaccine efficacy from a RSV antigen with enhanced immunogenicity and a combination of immune adjuvants for enhancing immune activity and antigen presentation.Type: ApplicationFiled: October 26, 2023Publication date: May 9, 2024Applicant: EUBIOLOGICS CO., LTD.Inventors: Chan Kyu LEE, Jonathan F. LOVELL, Yoon Hee WHANG, Woo Yeon HWANG, Hye Ji KIM, Min Chul PARK, Seok Kyu KIM, Wei-Chiao HUANG, Da Hui HA
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Patent number: 11976039Abstract: Method of producing aromatic hydrocarbons including: supplying a raw material stream to a C6 separation column, supplying an upper discharge stream from the C6 separation column to a first gasoline hydrogenation unit, and supplying a lower discharge stream from the C6 separation column to a C7 separation column; supplying an upper discharge stream from the C7 separation column to a hydrodealkylation reaction unit and supplying a lower discharge stream from the C7 separation column to a C8 separation column; separating benzene from discharged streams from the first gasoline hydrogenation unit and the hydrodealkylation reaction unit; removing a lower discharge stream from the C8 separation column and supplying an upper discharge stream from the C8 separation column to a second extractive distillation column; and separating styrene from a lower discharge stream of the second extractive distillation column and separating xylene from an upper discharge stream of the second extractive distillation column.Type: GrantFiled: November 9, 2020Date of Patent: May 7, 2024Assignee: LG Chem, Ltd.Inventors: Sung June Hwang, Tae Woo Kim, Sung Kyu Lee
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Publication number: 20240143927Abstract: Provided are a method for generating a summary and a system therefor. The method according to some embodiments may include calculating a likelihood loss for a summary model using a first text sample and a first summary sentence corresponding to the first text sample, calculating an unlikelihood loss for the summary model using a second text sample and the first summary sentence, the second text sample being a negative sample generated from the first text sample, and updating the summary model based on the likelihood loss and the unlikelihood loss.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Applicants: SAMSUNG SDS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Sung Roh YOON, Bong Kyu HWANG, Ju Dong KIM, Jae Woong YUN, Hyun Jae LEE, Hyun Jin CHOI, Jong Yoon SONG, Noh II PARK, Seong Ho JOE, Young June GWON
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Publication number: 20240142678Abstract: A display device includes a display unit including a lower substrate and first, second, and third light emitting elements disposed on the lower substrate, a color filter unit including an upper substrate having a lower surface facing the first, second, and third light emitting elements, a filler disposed between the display unit and the color filter unit and including a wavelength conversion particle. The color filter unit further includes a color filter layer including first, second, and third color filters disposed on the lower surface of the upper substrate, a bank layer disposed below the color filter layer and including first, second, and third openings, a first column spacer filling the first opening, and a second column spacer filling the second opening.Type: ApplicationFiled: July 25, 2023Publication date: May 2, 2024Applicant: Samsung Display Co., LTD.Inventors: SUN-KYU JOO, SANGJI PARK, JAE CHEOL PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, WOO-MAN JI, TAE HYUNG HWANG
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Patent number: 11970547Abstract: The present disclosure relates to a novel anti-HER2 antibody or an antigen-binding fragment thereof used in the prevention or treatment of cancer, a chimeric antigen receptor including the same, and uses thereof. The antibody of the present disclosure is an antibody that specifically binds to HER2 which is highly expressed in cancer cells (particularly, breast cancer or gastric cancer cells), and binds to an epitope that is different from an epitope to which trastuzumab binds.Type: GrantFiled: April 10, 2023Date of Patent: April 30, 2024Assignee: GC Cell CorporationInventors: Jong Seo Lee, Kyu Tae Kim, Young Ha Lee, In Sik Hwang, Bong Kook Ko, Eunji Choi, You-Sun Kim, Jeongmin Kim, Miyoung Jung, Hoyong Lim, Sungyoo Cho
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Patent number: 11973209Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide has a layered crystal structure of space group R3m, includes the nickel (Ni) in an amount of 60 mol % or less based on a total amount of transition metals, includes the cobalt (Co) in an amount greater than an amount of the manganese (Mn), and is composed of single particles.Type: GrantFiled: June 7, 2019Date of Patent: April 30, 2024Assignee: LG Chem, Ltd.Inventors: Eun Hee Lee, Seong Bae Kim, Young Su Park, Yi Rang Lim, Hong Kyu Park, Song Yi Yang, Byung Hyun Hwang, Woo Hyun Kim
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Publication number: 20240138226Abstract: A display device includes: a blue color filter layer in a blue transmission region of an upper substrate, and including first scattering particles; a green color filter layer in a green transmission region of the upper substrate, and including second scattering particles; a red color filter layer in a red transmission region of the upper substrate; a partition wall on the upper substrate and defining a blue transmission opening, a green transmission opening, and a red transmission opening, which overlap the blue transmission region, the green transmission region, and the red transmission region, respectively; a color conversion layer including red color conversion particles and third scattering particles, and accommodated in the red transmission opening; a light emitting element layer on a lower substrate facing the upper substrate; and a filling material between the upper substrate and the lower substrate.Type: ApplicationFiled: August 15, 2023Publication date: April 25, 2024Inventors: SUN-KYU JOO, DAEHYEON KIM, Hong Il Kim, SANGJI PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, CHANG-MIN LEE, HYUNSHIK LEE, WOO-MAN JI, TAE HYUNG HWANG
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Patent number: 11961454Abstract: A display device includes: a plurality of pixels to receive data voltages based on converted grayscales; and a grayscale converter to: calculate first compensation offsets based on positions of the pixels and input grayscales for the pixels; convert the first compensation offsets into second compensation offsets according to a maximum luminance weight based on an input maximum luminance; and calculate the converted grayscales by applying the second compensation offsets to the input grayscales.Type: GrantFiled: November 14, 2022Date of Patent: April 16, 2024Assignee: Samsung Display Co., Ltd.Inventors: Si Beak Pyo, Seung Kyu Lee, Young Uk Hwang
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Publication number: 20240116184Abstract: An automated gas supply system includes a gas cylinder transfer unit configured to transfer a cradle in which one or more gas cylinders storing a gas therein are stored; a gas cylinder inspection unit configured to check properties of the gas stored in the gas cylinder transferred from the gas cylinder transfer unit and check whether the gas leaks from the gas cylinder; a storage queue configured to receive the gas cylinder from the gas cylinder inspection unit by a mobile robot and configured to classify and store the transferred gas cylinders according to the properties of the gas stored in the gas cylinder; and a gas cabinet configured to receive the gas cylinder from the storage queue by the mobile robot and fasten a gas pipe, which is connected to a semiconductor manufacturing process line, to a gas spray nozzle, which is disposed at one side of the received gas cylinder, to supply the gas stored in the gas cylinder to the semiconductor manufacturing process line, wherein the gas cabinet includes a residType: ApplicationFiled: December 20, 2023Publication date: April 11, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Min Sung HA, Kwang-Jun KIM, Jong Kyu KIM, Hyun-Joong KIM, Jin Ho SO, Chi-Gun AN, Ki Moon LEE, Hui Gwan LEE, Beom Soo HWANG
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Patent number: 11953626Abstract: The present invention relates to a light detecting and ranging (LiDAR) device for obtaining information on a distance from an object using laser light.Type: GrantFiled: January 4, 2019Date of Patent: April 9, 2024Assignee: SOS Lab Co., LtdInventors: Ji Seong Jeong, Jun Hwan Jang, Dong Kyu Kim, Sung Hi Hwang
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Patent number: 11953596Abstract: A light detection and ranging (lidar) device includes: a lower base; an upper base; a laser emitting unit for emitting a laser in a form of a point light source; a nodding mirror for transforming the laser in the form of the point light source to a line beam pattern which is perpendicular to the lower base, wherein the nodding mirror reflects the laser emitted from the laser emitting unit; a polygonal mirror for transforming the line beam pattern to a plane beam pattern and receiving a laser reflected from an object; and a sensor unit for receiving the laser reflected from the object via the polygonal mirror.Type: GrantFiled: September 21, 2022Date of Patent: April 9, 2024Assignee: SOS Lab Co., Ltd.Inventors: Ji Seong Jeong, Jun Hwan Jang, Dong Kyu Kim, Sung Ui Hwang, Gyeong Hwan Shin, Bum Sik Won
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Publication number: 20240113260Abstract: A display device includes a display area where an image is displayed, a non-display area disposed adjacent to the display area, a first sub-pixel disposed in the display area, and a second sub-pixel disposed adjacent to the first sub-pixel in the display area. Each of the first sub-pixel and the second sub-pixel includes a plurality of alignment electrodes spaced apart from each other, and a plurality of light emitting elements disposed between the plurality of alignment electrodes. Each of the plurality of light emitting elements includes a first end having a first polarity, and a second end having a second polarity different from the first polarity. An orientation of the light emitting elements in the first sub-pixel and an orientation of the light emitting elements in the second sub-pixel are symmetrical. The first sub-pixel includes an identification pattern for distinguishing the first sub-pixel from the second sub-pixel.Type: ApplicationFiled: August 9, 2023Publication date: April 4, 2024Applicant: Samsung Display Co., LTD.Inventors: Hoon KIM, Min Joo KIM, Je Won YOO, Seung Kyu LEE, Yong Sik HWANG