Patents by Inventor Hyun Choi

Hyun Choi 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).

  • Patent number: 11961432
    Abstract: A display device includes a display area and a non-display area disposed around the display area and including a pad area. The display device includes a resistance checker disposed in the non-display area, resistance test pads disposed in the pad area, resistance test lines connecting the resistance checker with the resistance test pad, and crack test lines disposed on the outer side of the resistance checker. The resistance test lines intersect the crack test lines in a plan view.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joo Hye Jung, Keon Woo Kim, Dong Hyun Lee, Deuk Jong Kim, Deok Young Choi
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Patent number: 11958427
    Abstract: An airbag system includes a seat belt; at least one airbag disposed in at least a portion of the seat belt; and an inflator connected to the at least one airbag and supplying gas to the airbag so that the airbag is inflatable.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: April 16, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jae Wung Jung, Dong Hyun Ha, Jung Hun Choi
  • Patent number: 11962803
    Abstract: The multi sample prediction method of the present invention comprises the steps of: determining a sample group consisting of a plurality of samples inside a decoding target block; determining a representative position corresponding to the sample group, inside the decoding target block; determining a representative prediction value for the sample group, on the basis of the determined representative position; and determining the determined representative prediction value as the final prediction value for each of the plurality of samples making up the sample group. The present invention enhances efficiency in encoding/decoding and reduces complexity thereof.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: April 16, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jong Ho Kim, Ha Hyun Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 11957669
    Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 16, 2024
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Joon Ho Choi, Won Kyung Cho, Kwang-Hyun Shin, Byoung Young Woo, Ki-Wha Lee, Min-Soo Kim, Jong Hwa Roh, Mi Young Park, Young-Ho Park, Eun Sil Park, Jae Hong Park
  • Publication number: 20240116086
    Abstract: A substrate processing facility includes a cleaning device for cleaning a substrate; and a drying device for drying the substrate cleaned by the cleaning device with a supercritical gas, wherein the cleaning device includes a sulfuric acid cleaning chamber.
    Type: Application
    Filed: March 6, 2023
    Publication date: April 11, 2024
    Inventors: Yong Hyun CHOI, Woo Young KIM, Dong Gyu JIN
  • Publication number: 20240120343
    Abstract: A thin film transistor array substrate including a substrate including an active area and a non-active area, and a first thin film transistor disposed on the substrate while including a first oxide semiconductor pattern, a first gate electrode overlapping with the first oxide semiconductor pattern, a first gate insulating layer interposed between the first oxide semiconductor pattern and the first gate electrode, a first source electrode and a first drain electrode disposed on and connected to the first oxide semiconductor pattern, and a first light shielding pattern disposed under the first oxide semiconductor pattern and electrically connected to one of the first source electrode and the first drain electrodes. The first gate electrode includes a first portion maintaining a first parasitic capacitance and a second portion maintaining a second parasitic capacitance smaller than the first parasitic capacitance, together with the first oxide semiconductor pattern.
    Type: Application
    Filed: August 8, 2023
    Publication date: April 11, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hong Rak CHOI, Do Hyung LEE, Young Hyun KO, Chan Yong JEONG, Sung Ju CHOI
  • Publication number: 20240122026
    Abstract: A display device including a base layer having a display region defined along a first direction and a second direction that are orthogonal to each other, a plurality of first light emitting elements on the base layer, wherein each one of the first light emitting elements includes a first electrode, a second electrode on the first electrode, and a first emission layer between the first electrode and the second electrode, a pixel definition layer having a plurality of first emission openings each of which exposes the first electrode of a corresponding first light emitting element of the first light emitting elements, a thin encapsulation layer that covers the first light emitting elements and the pixel definition layer, and a sensing electrode on the thin encapsulation layer.
    Type: Application
    Filed: September 7, 2023
    Publication date: April 11, 2024
    Inventors: CHUL HYUN CHOI, MINJAE KIM, JAEMIN KIM, INHWA LEE
  • Publication number: 20240120547
    Abstract: The present disclosure relates to: a lithium secondary battery including a positive electrode, a separator, and a negative electrode, the lithium secondary battery being injected with an electrolyte solution containing a eutectic mixture of succinonitrile and lithium salt as a solvent; and a method for manufacturing the lithium secondary battery.
    Type: Application
    Filed: March 28, 2022
    Publication date: April 11, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sook YUN, Ji Hyun CHOI
  • Publication number: 20240119851
    Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 11, 2024
    Inventors: Eun Young LEE, Min Jung KIM, Yeun Hee KANG, Bong Hyun CHOI, Tae Un KIM, Soo Hyun LEE, Young Ho KIM, Chan Kyu CHOI, Jin Mo KU, Jong Won KIM
  • Publication number: 20240120287
    Abstract: Provided is an overlay mark. The overlay mark comprises a substrate, a lower overlay in the substrate, a pattern layer on the substrate, and an upper overlay defining an opening on the pattern layer. The lower overlay does not overlap the upper overlay in a thickness direction of the substrate.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Won PARK, A Yeong CHA, Byeong-Hwan SON, Hye Jin LEE, Jung Hyun CHOI, Jong Hee HAN
  • Publication number: 20240118839
    Abstract: According to embodiments of the present disclosure, there may be provided a memory system and an operating method thereof, including a host accessible area accessible directly from an external device, transmitting information on the host accessible area to an external memory, receiving a direct memory access request generated based on the information for the host accessible area from the external device according to an urgent event, and providing the external device with a direct memory access to the host accessible area in response to the direct memory access request.
    Type: Application
    Filed: October 10, 2022
    Publication date: April 11, 2024
    Inventors: Jeong Hyun KIM, Ji Hun CHOI
  • Patent number: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Patent number: 11953062
    Abstract: A one-way clutch regenerative braking system includes a sleeve which is arranged on an outer circumference of a hub and moved in an axial direction, a clutch gear which is arranged on a side of the hub and meshed with the sleeve, and a one-way clutch which is arranged on an inner circumference of the hub and rotated in a first direction, wherein, when the sleeve and the clutch gear are meshed with each other, the clutch gear is rotated in a second direction which is opposite to a rotational direction of the one-way clutch.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: April 9, 2024
    Assignee: NEOOTO CO., LTD.
    Inventors: Duk Soon Choi, Sun Hyun Kim
  • Patent number: 11951678
    Abstract: Disclosed is a method for manufacturing a 3D printing structure, the method including: producing a molded body by performing 3D printing on paste including printing powder in a coagulation bath including a hydrogel; hardening the molded body produced in the coagulation bath; and removing the hydrogel in the coagulation bath. A method for manufacturing a 3D printing structure, which is provided according to an aspect of the disclosure, does not require printing of a separate support, and thus it is possible to save time and costs. A post-processing process for removing a support is not required. Thus, a process is further simplified, and there is no risk of damage to a structure.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: April 9, 2024
    Assignee: KOREA INSTITUTE OF MATERIALS SCIENCE
    Inventors: Yeong-jin Choi, Hui-suk Yun, Hong-hyun Park
  • Patent number: 11951130
    Abstract: The present invention relates to an antigen-binding molecule comprising a heavy chain variable region comprising a heavy-chain complementarity-determining region 1 (HCDR1) comprising an amino acid sequence represented by Sequence No. 1, an HCDR2 comprising an amino acid sequence represented by Sequence No. 2, and an HCDR3 comprising an amino acid sequence represented by Sequence No. 3; a light-chain variable region comprising a light-chain complementarity-determining region 1 (LCDR1) comprising an amino acid sequence represented by Sequence No. 4, an LCDR2 comprising an amino acid sequence represented by Sequence No. 5, and an LCDR3 comprising an amino acid sequence represented by Sequence No. 6; wherein the antigen-binding molecule is a T cell receptor (TCR); and to a cell line expressing the same.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: April 9, 2024
    Assignee: Eutilex Co., Ltd.
    Inventors: Byoung S. Kwon, Young Ho Kim, Kwang Hee Kim, Ji Won Chung, Young Gyoon Chang, Bo Rim Yi, Jung Yun Lee, Seung Hyun Lee, Sun Woo Im, Jin Kyung Choi, Hyun Tae Son, Eun Hye Yoo
  • Patent number: 11956999
    Abstract: An organic light emitting display device includes a substrate, a light emitting structure, an undercut structure, and a functional module. The substrate includes an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. The substrate has a groove in the peripheral region and an opening in the opening region. The light emitting structure is in the display region on the substrate. The undercut structure is inside the groove in the substrate. The undercut structure includes a sacrificial metal pattern having a first width and at least one insulating layer pattern having a second width greater than the first width. The functional module is in the opening of the substrate.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jong Hyun Choi
  • Publication number: 20240113297
    Abstract: A positive electrode for a lithium-sulfur battery is provided. The positive electrode includes a positive electrode active material comprising a first and second sulfur-carbon composites respectively comprising a first and a second carbonaceous materials having a different specific surface area and pore volume from each other, and provides reduced initial irreversible capacity and improved output characteristics and life characteristics of a secondary battery.
    Type: Application
    Filed: October 31, 2022
    Publication date: April 4, 2024
    Inventors: In-Tae PARK, Yong-Hwi KIM, Seong-Hyo PARK, Myeong-Jun SONG, Hyun-Soo LEE, Ran CHOI
  • Publication number: 20240113402
    Abstract: A cylindrical battery cell includes a jelly-roll having a first electrode tab protruding upward and a second electrode tab protruding downward, a battery can configured to accommodate the jelly-roll through a top opening and electrically connected to the second electrode tab, a first current collecting plate coupled to the first electrode tab at an upper portion of the jelly-roll, an insulating shrink tube having a first cover portion for covering at least a part of the first current collecting plate and a second cover portion for covering a top end of an outer circumference of the jelly-roll, and a top cap electrically connected to the first current collecting plate and configured to cover the opening.
    Type: Application
    Filed: August 8, 2022
    Publication date: April 4, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Min-Ki JO, Bo-Hyun KANG, Do-Gyun KIM, Geon-Woo MIN, Su-Ji CHOI, Kwang-Su HWANGBO
  • Publication number: 20240114725
    Abstract: A display device includes a base layer, a pixel defining layer, a light emitting element comprising a light emitting layer, and an encapsulation layer disposed on the light emitting element. The encapsulation layer includes a first optical layer, a second optical layer disposed on the first optical layer, a stabilization layer disposed on the second optical layer, and an optical control layer disposed on the stabilization layer. A refractive index of the first optical layer is greater than a refractive index of the second optical layer, and a refractive index of the stabilization layer is greater than each of the refractive index of the second optical layer and a refractive index of the optical control layer. A thickness of the stabilization layer is greater than a thickness of the first optical layer and a thickness of the second optical layer.
    Type: Application
    Filed: July 3, 2023
    Publication date: April 4, 2024
    Inventor: CHUL HYUN CHOI