Patents by Inventor Seul-a Kim
Seul-a Kim 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: 20250141826Abstract: Proposed is a method for providing reaction contents by a server. The method may include receiving a request to post a custom content for at least one reaction content and an object related to the custom content on a first user's profile screen from a first user terminal, and in response to a request to view a first user's profile screen from a second user terminal, providing the first user's profile screen comprising the object to the second user terminal. The method may further include providing at least one reaction content for the object to the second user terminal, wherein at least one of the at least one reaction interface is based on the custom content, receiving an interaction with at least one of the at least one reaction interface from the second user terminal, and providing reaction information associated with the interaction to the first user terminal.Type: ApplicationFiled: October 23, 2024Publication date: May 1, 2025Inventors: Yoon Jin CHOI, Seul Gi KIM
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Patent number: 12287568Abstract: This application relates to a pellicle for extreme ultraviolet lithography and a manufacturing method thereof using the low-temperature direct growth method of multilayer graphene. In one aspect, the method includes forming an etch stopper on a substrate, forming a seed layer on the etch stopper, the seed layer including at least one of amorphous boron, BN, BCN, B4C, or Me-X (Me is at least one of Si, Ti, Mo, or Zr, and X is at least one of B, C, or N). The method may also include forming a metal catalyst layer on the seed layer; forming an amorphous carbon layer on the metal catalyst layer, and directly growing multilayer graphene on the seed layer through interlayer exchange between the metal catalyst layer and the amorphous carbon layer by performing a low-temperature heat treatment at 450° C. to 600° C.Type: GrantFiled: March 18, 2022Date of Patent: April 29, 2025Assignee: Korea Electronics Technology InstituteInventors: Hyeong Keun Kim, Seul Gi Kim, Hyun Mi Kim, Jin Woo Cho, Hye Young Kim
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Patent number: 12282250Abstract: This application relates to a pellicle for extreme ultraviolet lithography based on yttrium (Y) and used in a lithography process using extreme ultraviolet rays. In one aspect, the pellicle includes a pellicle layer including a core layer formed of an yttrium-based material expressed as Y-M (M is one of B, Si, O, or F).Type: GrantFiled: March 18, 2022Date of Patent: April 22, 2025Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Hyeong Keun Kim, Seul Gi Kim, Hyun Mi Kim, Jin Woo Cho, Ki Hun Seong
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Publication number: 20250125795Abstract: A phase mixer circuit is configured to receive a first input clock signal and a second input clock signal, and to generate an intermediate clock signal having an intermediate phase between phases of the first and second input clock signals. The phase mixer circuit is configured to determine a logic value of a mixed code signal, and to generate an output clock signal by mixing one of the first and second input clock signals and the intermediate clock signal.Type: ApplicationFiled: March 6, 2024Publication date: April 17, 2025Applicant: SK hynix Inc.Inventors: Soon Chul KWON, Min Chang KIM, Seul Gi KIM, Hong Joo SONG, Ic Su OH
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Publication number: 20250121583Abstract: A display device includes: a window including a bending area and a non-bending area; an adhesive layer including a first adhesive portion and a second adhesive portion, wherein the first adhesive portion overlaps the bending area, and the second adhesive portion overlaps the non-bending area; and a display module disposed on the adhesive layer, wherein the first adhesive portion is formed by curing a first resin including a first photoinitiator configured to have an initiation reaction induced by a first light, and the second adhesive portion is formed by curing a second resin including a second photoinitiator configured to have an initiation reaction induced by a second light or a thermal initiator, wherein the second light has a different central wavelength from that of the first light.Type: ApplicationFiled: December 23, 2024Publication date: April 17, 2025Inventors: Wonjoon CHOI, Seul-Gi KIM, YEJIN KIM, Cheolgeun AN, Euiyun JANG
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Patent number: 12262629Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.Type: GrantFiled: July 7, 2022Date of Patent: March 25, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sung-Soo Bae, Seul-Ong Kim, Dong-Hyun Kim, Sung-Wook Kim, Tsuyoshi Naijo, Hye-In Jeong, Hwan-Hee Cho
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Patent number: 12262578Abstract: An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship: ET1>ET2.Type: GrantFiled: December 8, 2023Date of Patent: March 25, 2025Assignee: Samsung Display Co., Ltd.Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
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Publication number: 20250098369Abstract: A display device and a method of manufacturing the display device, the display device may include a sub-pixel portion disposed on a base layer and may include a light emitting element area where a light emitting element may be disposed and a sub-pixel area. The light emitting element area and the sub-pixel area may not overlap each other in a plan view.Type: ApplicationFiled: June 5, 2024Publication date: March 20, 2025Applicant: Samsung Display Co., LTD.Inventors: Dal Rae JIN, Seul Ki KIM
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Patent number: 12248243Abstract: This application relates to a method for direct growth of multilayer graphene used as a core layer of a pellicle for extreme ultraviolet lithography. This application also relates to a method for manufacturing the pellicle for extreme ultraviolet lithography by using the multilayer graphene direct growth method. The multilayer graphene direct growth method may include forming few-layer graphene on a silicon nitride substrate, forming a metal catalyst layer on the few-layer graphene, and forming an amorphous carbon layer on the metal catalyst layer. The method may also include directly growing multilayer graphene from the few-layer graphene used as a seed layer by interlayer exchange between the metal catalyst layer and the amorphous carbon layer through heat treatment.Type: GrantFiled: November 10, 2021Date of Patent: March 11, 2025Assignee: Korea Electronics Technology InstituteInventors: Hyeong Keun Kim, Seul Gi Kim, Hyun Mi Kim, Hye Young Kim
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Publication number: 20250079433Abstract: disclosure A positive electrode for a lithium secondary battery includes a positive electrode collector; and a positive electrode active material layer which is formed on at least one surface of the positive electrode collector and includes a positive electrode active material, wherein the positive electrode active material layer has a pore volume of 7.0×10?3·cm3/g to 8.0×10?3·cm3/g. A method for preparing the positive electrode is also provided.Type: ApplicationFiled: January 11, 2023Publication date: March 6, 2025Applicant: LG Energy Solution, Ltd.Inventors: Jong Woo Kim, Gi Beom Han, Eun Sol Lho, Wang Mo Jung, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong Il Kim
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Publication number: 20250070156Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.Type: ApplicationFiled: November 12, 2024Publication date: February 27, 2025Applicant: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Jin Tae Hwang, Su Yeon Oh, Byun Chun Park, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong Il Kim
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Patent number: 12234307Abstract: The present invention relates to an ethylene/alpha-olefin copolymer having a high weight average molecular weight and narrow molecular weight distribution, and at the same time, a reduced characteristic relaxation time, thereby showing excellent physical properties, and a method for preparing the same. A resin composition having improved volume resistance and excellent light transmittance may be prepared by using such ethylene/alpha-olefin copolymer. Accordingly, the ethylene/alpha-olefin copolymer may be utilized in various uses in electrical and electronic industrial fields.Type: GrantFiled: September 25, 2020Date of Patent: February 25, 2025Assignee: LG Chem, Ltd.Inventors: Young Woo Lee, Seul Ki Kim, Dae Woong Lee, Jin Kuk Lee, Eun Jung Lee, Jin Sam Gong, Jung Ho Jun, Jun Hyuk Lee
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Patent number: 12226995Abstract: A display device includes: a window including a bending area and a non-bending area; an adhesive layer including a first adhesive portion and a second adhesive portion, wherein the first adhesive portion overlaps the bending area, and the second adhesive portion overlaps the non-bending area; and a display module disposed on the adhesive layer, wherein the first adhesive portion is formed by curing a first resin including a first photoinitiator configured to have an initiation reaction induced by a first light, and the second adhesive portion is formed by curing a second resin including a second photoinitiator configured to have an initiation reaction induced by a second light or a thermal initiator, wherein the second light has a different central wavelength from that of the first light.Type: GrantFiled: November 17, 2020Date of Patent: February 18, 2025Assignee: Samsung Display Co., Ltd.Inventors: Wonjoon Choi, Seul-Gi Kim, Yejin Kim, Cheolgeun An, Euiyun Jang
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Publication number: 20250054942Abstract: A positive electrode for a lithium secondary battery includes a collector; and a positive electrode active material layer disposed on at least one surface of the collector, wherein the ratio of a peak intensity of a (003) plane to a peak intensity of a (101) plane of the positive electrode measured by X-ray diffraction analysis is 8 or more.Type: ApplicationFiled: December 22, 2022Publication date: February 13, 2025Applicant: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Gi Beom Han, Jong Woo Kim, Wang Mo Jung, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong II Kim
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Patent number: 12219823Abstract: A display device includes electrodes disposed on a substrate, the electrodes extending in a first direction and being spaced apart from each other, a first insulating layer disposed on the electrodes, light-emitting elements disposed on the first insulating layer, between the electrodes, a second insulating layer disposed on the light-emitting elements, the second insulating layer extending in the first direction, connecting electrodes disposed on the second insulating layer and the light-emitting elements, the connecting electrodes electrically contacting end portions of each of the light-emitting elements, and a third insulating layer disposed between the connecting electrodes. An end portion of at least one of the connecting electrodes overlaps another one of the connecting electrodes.Type: GrantFiled: November 15, 2021Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seul Ki Kim, Seon Beom Ji, Tae Ha Jin, Dong Hwan Kim
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Patent number: 12191488Abstract: A positive electrode active material includes a nickel-based lithium composite metal oxide having a Ni content of 80 atm % or greater among transition metals except lithium, and in the form of a single particle or pseudo-single particle. The nickel-based lithium composite metal oxide has a coating layer positioned on the surface thereof, wherein the coating layer contains cobalt. The positive electrode active material also satisfies [Equation 1] 1?XY/Z?3, wherein X is the molar number (mol %) of Co in the coating layer based on 100 moles of the nickel-based lithium composite metal oxide, Y is the average particle diameter (?m) of nodules of the nickel-based lithium composite metal oxide, and Z is D50 (?m) of the positive electrode active material, wherein Z is from 5 ?m to 12 ?m.Type: GrantFiled: December 14, 2023Date of Patent: January 7, 2025Assignee: LG Energy Solution, Ltd.Inventors: Eun Sol Lho, Jin Tae Hwang, Su Yeon Oh, Byung Chun Park, Sang Min Park, Sang Wook Lee, Seul Ki Kim, Hyeong Ii Kim
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Publication number: 20240420533Abstract: Proposed is a method for providing a vote feature. The method may include receiving a request from a first user terminal to post creation information for a poll and a poll interface based on the creation information on a first user's profile screen, the poll interface comprising multiple choices, in response to a request to view the first user's profile screen from a second user terminal, and providing the first user's profile screen containing a poll interface to the second user terminal. The method may also include receiving selection information indicating selection of at least one of the multiple choices from the second user terminal, providing selection completion information to the second user terminal, and in response to a request to view the first user's profile screen from the first user terminal, providing the first user's profile screen containing progress information of the poll to the first user terminal.Type: ApplicationFiled: May 29, 2024Publication date: December 19, 2024Inventors: Yoon Jin CHOI, Seul Gi KIM
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Publication number: 20240421260Abstract: A light-emitting element includes a second semiconductor layer, an active layer above the second semiconductor layer, a first semiconductor layer above the active layer, a first insulating layer surrounding side surfaces of the first semiconductor layer, the active layer, and the second semiconductor layer and an upper surface of the first semiconductor layer, and defining a first opening at the upper surface of the first semiconductor layer, a reflective layer surrounding side surfaces of the first semiconductor layer and the active layer and an upper surface of the first semiconductor layer on the first insulating layer, and a second insulating layer on the reflective layer and on a portion of the first insulating layer on which the reflective layer is not located, defining a second opening on an upper surface of the first semiconductor layer, and having one end having a step with one end of the reflective layer.Type: ApplicationFiled: February 26, 2024Publication date: December 19, 2024Inventors: Seul Ki KIM, Hye Lim KANG, Myeong Hee KIM, Dal Rae JIN, Kook Hyun HAN
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Publication number: 20240404298Abstract: An apparatus for determining a position of an object outside a vehicle includes: a camera that obtains an external image of the vehicle, and a processor that may detect a target region corresponding to a target object in the external image. In particular, the processor detects a predetermined horizontal reference line in the target region, calculates a gradient of the horizontal reference line perpendicular to a front direction of the vehicle on a horizontal plane parallel to a road surface, and calculates a heading angle difference between the vehicle and the target object based on the gradient of the horizontal reference line.Type: ApplicationFiled: December 13, 2023Publication date: December 5, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Seul Gi Kim, Min Sung Son, Ra Hoon Kang, Ha Yong Woo, Dong Yeoup Jeon
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Patent number: 12156572Abstract: A strap may have a strip of material. A flexible magnet and other layers may be embedded between outer layers of the strip. The outer layers may be formed from leather or other natural materials, fabric, polymer, or other materials. The strap may have a snap mechanism that removably couples the strap to the item. The strip may have left and right portions that are coupled together using sliders and the snap mechanism. The sliders may be fixedly attached to respective end portions of left and right portions of the strip. A first of the sliders may have a slot that allows the first slider to slide along the right strip portion and a second of the sliders may have a slot that allows the second slider to slide along the left strip portion so that the length of the strap may be adjusted.Type: GrantFiled: September 29, 2021Date of Patent: December 3, 2024Assignee: Apple Inc.Inventors: Seul Bi Kim, Ayumi Kusano, Bryan A. Cloyd, Motohide Hatanaka, Sara Rusignuolo, Yang Zhou, Anthony M. Ashcroft, Jack Pickup