Patents by Inventor A Ra Lee
A Ra 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: 20240141103Abstract: The present disclosure relates to a method for preparing a polyalkylene carbonate resin, and more particularly, to a method for preparing a polyalkylene carbonate resin having the reduced cyclic carbonate content, which is a by-product, and an increased ratio of a repeating unit including carbon dioxide, by increasing catalyst activity.Type: ApplicationFiled: September 26, 2022Publication date: May 2, 2024Inventors: Seung Hee LEE, Sang Kook KIM, Sang Woo KIM, Bo Ra SHIN, No Jin PARK
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Publication number: 20240136467Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.Type: ApplicationFiled: December 6, 2023Publication date: April 25, 2024Applicant: SEOUL VIOSYS CO., LTD.Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK, So Ra LEE
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Patent number: 11967267Abstract: Provided is a display device including a display panel, an optical sensor, a timing controller, a scan driver, a data driver, and an image controller. The timing controller controls an image refresh rate of the display panel based on a refresh rate control signal. Thus, the display device provides improved visibility.Type: GrantFiled: May 2, 2023Date of Patent: April 23, 2024Assignees: Samsung Display Co., Ltd., UNIST (Ulsan National Institute Of Science and Technology)Inventors: Hyo Sun Kim, Oh Sang Kwon, Seong Gyu Choe, Chang Yeong Han, Min Kyung Kim, You Ra Kim, Eun Jung Lee, Hyung Suk Hwang
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Publication number: 20240126074Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.Type: ApplicationFiled: September 30, 2022Publication date: April 18, 2024Applicant: LG Chem, Ltd.Inventors: Jae Jin Kim, Bo Ra Jung, Hye Won Hwang, Yeon Jae Yoo, Joon Young Lee, Bu Gon Shin, Min Soo Song
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Publication number: 20240125996Abstract: A method for replicating a holographic optical element and a holographic optical element replicated thereby are provided. The holographic optical element is larger than a master. The master has a holographic grating pattern generated on the master by interference of the reflected, diffracted or transmitted beam generated by irradiating the master having a specific diffraction grating pattern formed thereon with a laser beam.Type: ApplicationFiled: August 25, 2021Publication date: April 18, 2024Applicant: LG Chem, Ltd.Inventors: Bo Ra Jung, Joon Young Lee, Min Soo Song, Do Kyeong Kwon, Yeon Jae Yoo
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Publication number: 20240129641Abstract: An image processing device including: a gain value manager for generating white gain values corresponding to a plurality of positions, based on a sensing result of a predetermined white image; a target pixel manager for detecting saturated pixels, based on pixel values received from an external device, and determining target pixels as saturated white pixels of which each have a pixel value that indicates that the saturated white pixel is saturated, based on peripheral pixels of the saturated white pixels among the detected saturated pixels; and a target pixel corrector for changing pixel values of the target pixels, based on the white gain values and pixel values of the peripheral pixels.Type: ApplicationFiled: March 16, 2023Publication date: April 18, 2024Applicant: SK hynix Inc.Inventors: Jeong Yong SONG, Dong Gyun KIM, Jae Yoon YOO, Bo Ra LEE
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Patent number: 11961876Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. the first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate. At least one of the second conductivity type semiconductor layers in the first to third light emitting stacks is divided into two regions.Type: GrantFiled: July 20, 2023Date of Patent: April 16, 2024Assignee: Seoul Viosys Co., Ltd.Inventors: Chung Hoon Lee, So Ra Lee
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Publication number: 20240116882Abstract: The present invention relates to a novel benzotriazole derivative compound, a tautomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are related to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.Type: ApplicationFiled: January 28, 2022Publication date: April 11, 2024Applicant: TXINNO BIOSCIENCE INC.Inventors: Chan Sun Park, Sung Joon Kim, Ali Imran, Yoo Jin Na, So Ra Paik, Jung Hwan Choi, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
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Publication number: 20240115158Abstract: A method for counting coughs is provided. The method includes acquiring a plurality of onset signals from the sound signal, wherein the onset signal has a predetermined time length; acquiring a plurality of spectrograms corresponding to each of the plurality of onset signals; determining whether each of the acquired plurality of spectrograms represents a cough using a cough determination model; and calculating a number of coughs included in the sound signal based on a time point of a cough signal. The cough signal is an onset signal corresponding to one spectrogram determined to represent the cough. When a time interval between a first time point of a first cough signal and a second time point of a second cough is within a reference time interval, the first cough signal and the second cough signal are regarded as one cough signal at the first time point.Type: ApplicationFiled: December 19, 2023Publication date: April 11, 2024Applicant: DAIN TECHNOLOGY, INC.Inventors: Jee Young SONG, Ji Young JUNG, Sang Youn KANG, Kyeong Yeon DOO, On Sub KIM, Ah Ra LEE
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Patent number: 11944731Abstract: A dialyzer control apparatus includes a magnetic field generator which is disposed on an outer surface of a dialyzer which removes wastes from a blood flowing therein and generates a magnetic field; and a controller which controls the magnetic field generator to perform a magnetic field stimulation on the blood flowing into the dialyzer. The magnetic field stimulation may be a stimulation related to the improvement of the Rouleaux formation for the red blood cells in the blood.Type: GrantFiled: November 20, 2020Date of Patent: April 2, 2024Assignee: UNIVERSITY INDUSTRY FOUNDATION, YONSEI UNIVERSITY WONJU CAMPUSInventors: Yong Heum Lee, Na Ra Lee, Soo Yong Lee, Ja Woo Lee
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Patent number: 11948922Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. The second LED unit is disposed between the first LED unit and the third LED unit. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. The first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate.Type: GrantFiled: December 28, 2020Date of Patent: April 2, 2024Assignee: Seoul Viosys Co., Ltd.Inventors: Chung Hoon Lee, So Ra Lee
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Publication number: 20240091372Abstract: Described are anti-doppel antibody-drug conjugates, compositions comprising them, and related methods of treating doppel-associated diseases and conditions, including cancer.Type: ApplicationFiled: July 18, 2023Publication date: March 21, 2024Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, OSONG MEDICAL INNOVATION FOUNDATIONInventors: Youngro BYUN, Ha Kyeong LEE, Seungwoo CHUNG, Byoung Mo KIM, So-Young CHOI, Se-Ra LEE
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Publication number: 20240097112Abstract: A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.Type: ApplicationFiled: February 25, 2022Publication date: March 21, 2024Applicant: LG Energy Solution, Ltd.Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
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Publication number: 20240088107Abstract: A light emitting device includes a short wavelength light emitting portion, a long wavelength light emitting portion, and a coupling layer combining the short wavelength emitting portion and the long wavelength light emitting portion. Each of the short wavelength light emitting portion and the long wavelength light emitting portion includes a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. The active layer of the long wavelength light emitting portion contains more Indium (In) than the active layer of the short wavelength light emitting portion, and the short wavelength light emitting portion emits light of a shorter wavelength than that of light emitted from the long wavelength light emitting portion.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Chung Hoon LEE, Dae Sung CHO, So Ra LEE
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Publication number: 20240081001Abstract: 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: ApplicationFiled: May 1, 2023Publication date: March 7, 2024Applicant: 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
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Patent number: 11922543Abstract: A method, performed by a coloring apparatus, of coloring a sketch image includes adding a color pointer on the sketch image, according to an input of a user; determining an object related to a point where the color pointer is located, from among objects configuring the sketch image; and generating a colored image by coloring the determined object, based on a color of the color pointer.Type: GrantFiled: January 18, 2022Date of Patent: March 5, 2024Assignee: NAVER WEBTOON LTD.Inventors: Jun Hyun Park, Yu Ra Shin, Du Yong Lee, Joo Young Moon
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Publication number: 20240072244Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.Type: ApplicationFiled: February 24, 2022Publication date: February 29, 2024Applicant: LG Energy Solution, Ltd.Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
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Patent number: 11912760Abstract: Described herein are doppel-targeting molecules (e.g., antibodies) useful for inhibiting pathological angiogenesis and treating diseases and conditions associated with pathological angiogenesis, such as tumors, cancers, atherosclerosis, tuberculosis, asthma, pulmonary arterial hypertension (PAH), neoplasms and neoplasm-related conditions, and for detecting doppel expression in a subject. Related compositions and methods also are described.Type: GrantFiled: June 17, 2021Date of Patent: February 27, 2024Assignee: PHAROSGEN CO., LTDInventors: Youngro Byun, Ha Kyeong Lee, So Young Choi, So Ra Park, Se Ra Lee, Seung Il Baek
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Patent number: 11916233Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm??[Equation 1] ?size(|crystallite sizeIB?crystallite sizeFWHM|)?20??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.Type: GrantFiled: January 31, 2020Date of Patent: February 27, 2024Assignee: LG Energy Solution, Ltd.Inventors: So Ra Baek, Eun Sol Lho, Wang Mo Jung, Sang Wook Lee, Eun Jo
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Publication number: 20240061334Abstract: The present invention relates to a solder resist composition, and more specifically, to: a solder resist composition that can be used to obtain high reflectance, excellent yellowing resistance, excellent crack resistance, high resolution and flatness, excellent sensitivity, developability, adhesion, solder heat resistance, pencil hardness, solvent resistance, HAST resistance, and high reflectance and high gloss after a HAST test; a dry film and a printed wiring board which include a solder resist layer obtained therefrom; and methods for manufacturing same.Type: ApplicationFiled: December 14, 2021Publication date: February 22, 2024Applicant: TAIYO INK MFG. CO., (KOREA) LTD.Inventors: Seok Bong LIM, Jong Chul KWON, Young Ho SA, Jin KIM, Byeong Jun CHOI, Joon Seok KIM, Jun Young HWANG, Na Ra LEE, So Young KIM