Patents by Inventor Eun A Choi

Eun A 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).

  • Publication number: 20230413669
    Abstract: The present invention relates to a polycyclic compound that can be employed in various organic layers provided in an organic light-emitting device, and to a high-efficiency and long-life organic light-emitting device which comprises same and thus has significantly improved luminous efficiency and lifespan characteristics. The organic light-emitting device comprising the polycyclic compound according to the present invention can be industrially usefully used for various display devices as well as a lighting device, such as a flat-panel display device, a flexible display device, a monochromatic or white flat-panel lighting device, a monochrome or white flexible lighting device, a vehicle display device, or a virtual or augmented-reality display device.
    Type: Application
    Filed: October 25, 2021
    Publication date: December 21, 2023
    Inventors: Jun-young MOON, Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI, Seong-eun WOO, Dong-myung PARK, Soo-kyung KANG
  • Publication number: 20230369660
    Abstract: A battery management system according to the present disclosure includes a swelling detector including at least one sensor configured to detect a swelling status of a battery cell; and a control circuit configured to generate first time-series data of the swelling status repeatedly detected during a charging procedure included in a charge/discharge cycle of the battery cell. The control circuit is configured to determine a first change amount of the swelling status in the charging procedure from the first time-series data. The control circuit is configured to determine whether the battery cell is shorted internally based on the first change amount.
    Type: Application
    Filed: July 8, 2022
    Publication date: November 16, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Ji-Eun LEE, Young-Eun CHOI, Eun-Ju LEE
  • Publication number: 20230371376
    Abstract: The present invention relates to: a polycyclic compound that can be employed in various organic layers provided in an organic light-emitting device; and a high-efficiency and long-lifespan organic light-emitting device comprising same to have significantly improved luminous efficiency and lifespan characteristics. By using same, the present invention can be industrially and effectively used in lighting devices and various display devices, such as a flat-panel display apparatus, a flexible display apparatus, a monochrome or white flat-panel lighting apparatus, a monochrome or white flexible lighting apparatus, a vehicle display apparatus, and a virtual or augmented reality display apparatus.
    Type: Application
    Filed: October 19, 2021
    Publication date: November 16, 2023
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI, Seong-eun WOO, Dong-myung PARK, Jun-young MOON, Soo-kyung KANG
  • Patent number: 11795154
    Abstract: The present invention relates to a method for the synthesis of 2,5-furandicarboxylic acid, and more specifically, the present invention relates to a more efficient and economical method capable of preparing 2,5-furandicarboxylic acid having various functions with high purity and high yield, even without using a transition metal catalyst.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: October 24, 2023
    Assignees: SAMYANG CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Chun Rim Oh, Deuk Rak Lee, Won Jung Lee, Chi Wan Lee, Ji Eun Choi, Young Sug Kim, Jung Woon Yang, Tae Woo Lee
  • Publication number: 20230331680
    Abstract: The present invention relates to a naphthalimide sulfonate derivative, and a photoacid generator and a photoresist composition which comprise same, and, more specifically, to a naphthalimide sulfonate derivative compound, and a photoacid generator and a photoresist composition which comprise same, the compound having an excellent absorbance of light with an i-line wavelength (365 nm), having a high solubility in an organic solvent, having excellent thermal stability, and exhibiting a good acid generation rate.
    Type: Application
    Filed: September 29, 2021
    Publication date: October 19, 2023
    Applicant: SAMYANG CORPORATION
    Inventors: Chun Rim OH, Dae Hyuk CHOI, Min Jung KIM, Deuk Rak LEE, Won Jung LEE, Yu Na CHOI, Ji Eun CHOI
  • Publication number: 20230329109
    Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organoelectroluminescent device comprising same. The present invention can implement a high-efficiency and long-lifetime organoelectroluminescent device with significantly improved luminous efficiency, and thus can be effectively used for industrial applications including flat display devices, flexible display devices, monochromatic or white flat lighting devices, and monochromatic or white flexible lighting devices.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 12, 2023
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230321517
    Abstract: The present disclosure provides various methods and systems for strengthening or increasing mass of a pelvic floor muscle in a subject by providing, by an electronic device to the subject, one or more first modules selected from the group consisting of an exercise and/or life style module, a sitz bath module, a pelvic splanchnic nerve and/or pelvic muscle exercise module, and a vagal nerve system and/or gastrointestinal (GI) exercise module, each of the one or more first modules comprising one or more first instructions for the subject to follow.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 12, 2023
    Applicant: S-Alpha Therapeutics, Inc.
    Inventors: Seung Eun Choi, Tae Hyun Kim
  • Publication number: 20230287010
    Abstract: A polycyclic aromatic derivative compound according to the present invention is employed in an organic layer in a device, thus being able to implement a high-efficiency organic light-emitting device, and thus can be industrially and effectively used in various display devices such as flexible displays, and illumination apparatuses such as monochromatic or white flat illumination and monochromatic or white flexible illumination.
    Type: Application
    Filed: January 25, 2021
    Publication date: September 14, 2023
    Applicant: SFC CO., LTD
    Inventors: Byung-sun YANG, Sung-hoon JOO, Bong-ki SHIN, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230290482
    Abstract: Systems and methods for treating social communication disorder are provided. A system may include a digital apparatus, which may include a digital instruction generation unit configured to generate instructions in real-time or near-real-time for the user to follow to treat social communication disorder based on a mechanism of action (MOA) in and a therapeutic hypothesis for the social communication disorder, and an outcome collection unit configured to collect the user's execution outcomes of the digital instructions. The system may also include a healthcare provider portal for a healthcare provider to manage their patients and/or an administrative portal for an administrator to manage healthcare providers.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 14, 2023
    Applicant: S-Alpha Therapeutics, Inc.
    Inventors: Seung Eun Choi, Myoung Joon Kim
  • Patent number: 11755930
    Abstract: A method and apparatus for controlling learning of a model for estimating an intention of an input utterance is disclosed. A method of controlling learning of a model for estimating an intention of an input utterance among a plurality of intentions includes providing a first index corresponding to the number of registered utterances for each intention, providing a second index corresponding to a learning level for each intention, providing a learning target setting interface such that at least one intention that is to be a learning target is selected from among the intentions based on the first index and the second index, and training the model based on the registered utterances for each intention and setting of the learning target for each intention.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: September 12, 2023
    Assignee: KAKAO CORP.
    Inventors: Seung Won Seo, Tae Uk Kim, Il Nam Park, Myeong Cheol Shin, Hye Ryeon Lee, Sung Eun Choi
  • Publication number: 20230284515
    Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be used in a variety of organic material layers in an organic light-emitting element, and an organic light-emitting element comprising the polycyclic aromatic derivative compound, the highly efficient and long-life organic light-emitting element having significantly improved light-emitting efficiency by employing the polycyclic aromatic compound as a dopant compound in a light-emitting layer, and an anthracene derivative having a particular structure as a host compound.
    Type: Application
    Filed: July 27, 2020
    Publication date: September 7, 2023
    Inventors: Sung-hoon JOO, Ji-hwan KIM, Byung-sun YANG, Hyeon-jun JO, Sung-eun CHOI, Bong-ki SHIN
  • Patent number: 11727988
    Abstract: According to an embodiment of the present disclosure, a memory device for a logic-in-memory may include a cell array including a plurality of ternary memory cells, a row decoder configured to select at least one ternary memory cell from among the plurality of ternary memory cells, and a page buffer configured to provide a first value to the at least one ternary memory cell and latch a third value obtained by performing a logic operation on the first value and a second value stored in the at least one ternary memory cell and/or the second value.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: August 15, 2023
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Kyung Rok Kim, Jae Won Jeong, Young Eun Choi
  • Publication number: 20230218875
    Abstract: Disclosed are a particle-attached microneedle having a solid-phase drug mounted thereon, and a method of manufacturing the particle-attached microneedle. More particularly, the particle-attached microneedle includes a microneedle (10), an adhesive layer (11), solid-phase drug particles (22), a film (21), and a coating well (20).
    Type: Application
    Filed: December 28, 2022
    Publication date: July 13, 2023
    Applicant: QuadMedicine, Inc.
    Inventors: Jung Hwan PARK, Jeong Eun CHOI, Yu Ra SHIN
  • Publication number: 20230201232
    Abstract: The present invention relates to a composition for ameliorating, preventing or treating alopecia, comprising a catechin 7-O-?-D-apiofuranoside compound as an active ingredient. The compound of the present invention inhibits the production of dihydrotestosterone (DHT) converted from testosterone by 5-alpha-reductase in human-derived dermal papilla cells, and inhibits the apoptosis induced by oxidative stress in dermal papilla cells, and accordingly, can be used as an active ingredient for the treatment, prevention, or amelioration purposes.
    Type: Application
    Filed: April 29, 2021
    Publication date: June 29, 2023
    Applicant: ANPOLY INC.
    Inventor: Sun Eun CHOI
  • Publication number: 20230183243
    Abstract: The present invention relates to a heteroaryl derivative and a pharmaceutical composition for the prevention or treatment of cancer comprising the same as an active ingredient, and a compound according to an aspect of the present invention, a stereoisomer thereof, a hydrate thereof, or a pharmaceutically acceptable salt thereof suppresses kinases, particularly, a TTK kinase, and thus can remarkably suppress the proliferation of cancer cells, and accordingly, can be effectively used as a pharmaceutical composition for the prevention or treatment of cancer.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 15, 2023
    Inventors: U Bin KIM, Youn Ho LEE, Se In KANG, Ju Hee KANG, Seon An HWANG, Da Mi KIM, Seung Su KIM, Myung Ho JUNG, Hyun Kyung KIM, Hong Ryul JUNG, Yeon Sil KIM, Hye Jin JANG, Ji Eun CHOI, Sun Hwa LEE, Jung Beom SON, Nam Doo KIM
  • Publication number: 20230189646
    Abstract: A polycyclic aromatic compound or a condensed multimer thereof, according to the present invention, is employed in an organic layer in an organoelectroluminescent device, thereby enabling the implementation of an organoelectroluminescent device having high efficiency and a long lifespan, and thus the present invention may be industrially useful in various display devices such as a flat panel display device, a flexible display device, a monochromatic or white flat panel lighting device, and a monochromatic or white flexible lighting device.
    Type: Application
    Filed: March 23, 2021
    Publication date: June 15, 2023
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230139065
    Abstract: Methods and apparatuses are described herein for enhancing performance of a user. For example, an apparatus may generate one or more performance enhancing instructions that cause, based on the user's performance of the performance enhancing instructions, at least one physiological changes in the user's physiological mechanism to cope with at least one of anxiety or stress. The at least one physiological changes may include at least one of dopamine secretion induction, oxytocin secretion induction, cortisol level reduction, melatonin secretion induction, or synapsing promotion. The apparatus may then provide the user the one or more performance enhancing instructions via the apparatus. The one or more performance enhancing instructions may comprise a first/second concentration enhancing digital instruction, an anxiety/stress reducing digital instruction, and a coordination & agility enhancing digital instruction.
    Type: Application
    Filed: December 6, 2022
    Publication date: May 4, 2023
    Applicant: S-Alpha Therapeutics, Inc.
    Inventors: Seung Eun Choi, Yong Han Kim
  • Publication number: 20230125146
    Abstract: The present invention relates to a polycyclic aromatic derivative compound and an organic light-emitting device having high efficiency and long lifespan, the device applying the compound in various organic layers so as to remarkably improve luminous efficiency. According to the invention, an organic light-emitting device having high efficiency and long lifespan and having remarkably improved luminous efficiency can be implemented, and thus can be industrially useful in various display devices and lighting devices.
    Type: Application
    Filed: January 21, 2021
    Publication date: April 27, 2023
    Applicant: SFC CO., LTD
    Inventors: Sung-hoon JOO, Bong-ki SHIN, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230110346
    Abstract: The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color or white flexible lighting device.
    Type: Application
    Filed: January 6, 2021
    Publication date: April 13, 2023
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Publication number: 20230075981
    Abstract: Disclosed is a composition for preventing or treating a degenerative brain disease. The composition includes, as an active ingredient, a MECP2 inhibitor for treating the degenerative brain disease, a polynucleotide encoding the MECP2 inhibitor or a recombinant virus containing the MECP2 inhibitor. The composition is useful for the treatment of a degenerative brain disease (particularly Alzheimer's syndrome) caused by beta-amyloid. In addition, the composition is effective in improving or ameliorating deterioration of cognitive functions and social deficits caused by Alzheimer's syndrome.
    Type: Application
    Filed: May 16, 2022
    Publication date: March 9, 2023
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Heh-In IM, Sangjoon LEE, Ji Eun CHOI