Patents by Inventor Hee-Jin Park

Hee-Jin Park 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: 20240091235
    Abstract: The present invention relates to use of a compound of chemical formula 1 or a pharmaceutically acceptable salt thereof as a selective agonist of the melanocortin-4-receptor (MC4R).
    Type: Application
    Filed: December 21, 2021
    Publication date: March 21, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Hee Dong PARK, Su Jin YEO, Hyun Seo PARK, Jin Sook PARK, Hye Won AHN
  • Patent number: 11937462
    Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: March 19, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeong-Mook Choi, Nack-Youn Jung, Hee-Jin Kim, Hak-Min Lee, Myung-O Joo, Sung-Soo Park
  • Publication number: 20240090318
    Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Inventors: Se-Jin LEE, Seok-Bae PARK, Si-In KIM, Hee-Dae KIM, Yeong-Tae CHOI, Ji-Yung KIM, Kyung-Tae KIM, Myeong-Jun KIM, Kyeong-hyeon KIM, Seung-soo LEE, Tae Gyun LEE, Joon-Ho KIM
  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Patent number: 11925547
    Abstract: The present invention relates to a coating composition for an in-vivo implantable prosthesis including a photoinitiator, a crosslinking agent, and a phosphorylcholine (pc) monomer having an acrylate group, a method of coating an in-vivo implantable prosthesis using the coating composition, and a cosmetic prosthesis coated with the crosslinked polyphosphorylcholine. An in-vivo implantable prosthesis coated with crosslinked polyphosphorylcholine may be manufactured by a simple method of applying a coating composition including a photoinitiator, a crosslinking agent, and a phosphorylcholine (pc) monomer having an acrylate group according to the present invention, and then irradiating uv rays. The crosslinked polyphosphorylcholine coating may provide hydrophilicity for the surface and may also remarkably reduce adsorption of proteins and fibroblasts, which may cause side effects such as capsular contracture.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: March 12, 2024
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Tae Hyun Choi, Yan Lee, Ji Ung Park, Ji Yeon Ham, Hee Jin Kim, Suk Wha Kim, Hye Jeong Min
  • Patent number: 11917907
    Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 27, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Kyoung-Jin Park, Tae-Jin Lee, Jae-Hoon Shim, Yoo Jin Doh, Hee-Choon Ahn, Young-Kwang Kim, Doo-Hyeon Moon, Jeong-Eun Yang, Su-Hyun Lee, Chi-Sik Kim, Ji-Song Jun
  • Patent number: 11800353
    Abstract: A locking apparatus according to an embodiment includes an approach detector, a signal transmitter, a measurer, and a controller. The approach detector detects an approach of a user carrying a terminal. The signal transmitter transmits a key authentication signal for authenticating a pre-shared digital key to the terminal using first short-range wireless communication when the approach of the user is detected. The measurer connects a session by generating a security channel with the terminal using second short-range wireless communication and measuring at least one of a distance to and an angle with respect to the terminal when the digital key is authenticated through the key authentication signal. The controller determines whether or not to unlock an access facility in accordance with at least one of the distance to and the angle with respect to the terminal.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Hyo Il Lee, Hee Jin Park, Dong Yeol Kim, Jong Soo Park, Seung Bae Lee
  • Patent number: 11706032
    Abstract: A method for user authentication according to one embodiment of the present disclosure includes acquiring authentication information including biometric information of a user, generating a random string and a helper string from the biometric information, generating a secret value that corresponds to the authentication information, generating a private key and a public key using the secret value and the random string, and transmitting the public key to an authentication server.
    Type: Grant
    Filed: October 26, 2019
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Hee-Jin Park, Ji-Hoon Cho
  • Patent number: 11701446
    Abstract: A photocatalyst filter is provided. The photocatalyst filter includes: a base in which an internal space is formed. The internal space is permeable to fluid, and a plurality of photocatalyst beads are provided in the internal space, wherein a surface of the internal space is reflective.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jee-yeon Kim, Hee-jin Park, Yong-won Jeong, Jeong-eun Lee, Jun-ho Koh
  • Publication number: 20230151685
    Abstract: The present invention relates to a roman shade curtain which can improve the atmosphere of a curtain and the interior design of a home as the curtain is unfolded or folded up in a stepwise manner like lace and, particularly, to a roman shade curtain having viewing parts which enable outdoor viewing and light transmission. The present invention implements a new type roman shade curtain comprising viewing parts formed at intervals and formed of materials such as mesh, and a sub-curtain for opening and closing of the viewing parts, the sub-curtain being able to selectively open and close the viewing parts, such that a user can view the outside or enable outside light to enter through the viewing parts, as necessary.
    Type: Application
    Filed: January 16, 2023
    Publication date: May 18, 2023
    Inventor: HEE JIN PARK
  • Patent number: 11609976
    Abstract: Provided are a method and system for managing an image based on interaction between a face image and a message account. An image management method may include: storing, in a database, a plurality of face images and a plurality of messenger accounts in association with each other; receiving a target image; recognizing a face image from the received target image; searching, the database for a first face image that matches the recognized face image, among the stored plurality of face images, and identifying a first messenger account corresponding to the first face image, among the stored plurality of messenger accounts; and displaying information of the first messenger account in association with the first face image, in the target image.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: March 21, 2023
    Assignee: LINE Plus Corporation
    Inventors: Yuri Jo, Hee Jin Park
  • Patent number: 11585546
    Abstract: An air conditioning device is disclosed. The present air conditioning device comprises: a photocatalytic filter including a space through which air can pass and having a transition metal oxide formed in a nanotube form on the surface thereof, the transition metal oxide removing gases included in the air and including at least one of TiO2, ZnO, NiO, and WO3; and a light source for emitting light to the photocatalytic filter.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: February 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-jin Park, Jee-yeon Kim, Yong-won Jeong, Sae-mi Kim, Jeong-eun Lee
  • Patent number: 11576995
    Abstract: Disclosed is a method for manufacturing a photocatalytic filter for air purification. The present manufacturing method comprises the steps of: oxidizing a titanium metal to obtain a nanostructured titanium dioxide (TiO2); adding the nanostructured titanium dioxide to an acidic fluorine-containing solution to allow a reaction to occur therebetween for a predetermined period of time; and, after treatment in the acidic fluorine-containing solution, performing heat treatment on the nanostructured titanium dioxide.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: February 14, 2023
    Inventors: Jee-yeon Kim, Wonyong Choi, Seunghyun Weon, Sae-mi Kim, Hee-jin Park
  • Publication number: 20230038041
    Abstract: The present disclosure relates to a roman shade curtain which can improve a curtain atmosphere and the interior of a house by folding or unfolding the curtain in a stepwise manner like a lace. The roman shade curtain can be easily folded or unfolded in a stepwise manner by adopting a combination of rods and rings as a means for corrugating the middle of the curtain, so that the roman shade curtain may have a simple structure, be easily manufactured, and have excellent durability and improve the appearance of the curtain by arranging rods, rings, and the like on the rear surface of the curtain as well as wires for curtain operation.
    Type: Application
    Filed: October 21, 2022
    Publication date: February 9, 2023
    Inventor: HEE JIN PARK
  • Publication number: 20230042284
    Abstract: Methods and apparatuses for supporting transactions of products are provided. One of the methods comprises, receiving, by a second terminal, information of a seller that is selling the products, from a first terminal, requesting, by the second terminal, verification of the seller's information from a server, in response to successful verification of the seller's information, acquiring, by the second terminal, a transaction identifier for the products from the server, measuring, by the second terminal, a distance from the first terminal creating, by the second terminal, transaction data including the measured distance and the transaction identifier, requesting, by the second terminal, verification of the transaction data from the server and in response to receiving a message indicating successful verification of the transaction data from the server, performing, by the second terminal, a payment routine for the products.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 9, 2023
    Inventors: Hyun Chul PARK, Hee Jin PARK
  • Patent number: 11496469
    Abstract: A method of registering biometric information according to an embodiment includes generating a registration target biometric template based on biometric information of a user, transmitting a biometric information registration request including the registration target biometric template to a server, acquiring transaction information based on the biometric information registration request from the server through one or more communication interfaces, generating an electronic signature for the transaction information using a private key, transmitting the electronic signature for the transaction information to the server through the one or more communication interfaces, and acquiring a registration result for the registration target biometric template based on a verification result for the electronic signature from the server through the one or more communication interface.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Hyun Chul Park, Dong Yeong Kim, Kyung Joon Park, Hee Jin Park, Hyo Il Lee, Jae Hyuk Cho
  • Patent number: 11452994
    Abstract: Disclosed is a method for producing a photocatalyst for air cleaning. The present production method comprises the steps of: preparing titanium dioxide (TiO2); attaching platinum to a surface of the titanium dioxide; and attaching fluoro to the platinum-attached surface of the titanium dioxide to obtain surface-modified titanium dioxide.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: September 27, 2022
    Assignees: Samsung Electronics Co., Ltd., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Hee-Jin Park, Wonyong Choi, Seunghyun Weon, Sungwon Kim, Jee Yeon Kim
  • Publication number: 20220225089
    Abstract: A locking apparatus according to an embodiment includes an approach detector, a signal transmitter, a measurer, and a controller. The approach detector detects an approach of a user carrying a terminal. The signal transmitter transmits a key authentication signal for authenticating a pre-shared digital key to the terminal using first short-range wireless communication when the approach of the user is detected. The measurer connects a session by generating a security channel with the terminal using second short-range wireless communication and measuring at least one of a distance to and an angle with respect to the terminal when the digital key is authenticated through the key authentication signal. The controller determines whether or not to unlock an access facility in accordance with at least one of the distance to and the angle with respect to the terminal.
    Type: Application
    Filed: October 29, 2021
    Publication date: July 14, 2022
    Inventors: Hyo Il LEE, Hee Jin PARK, Dong Yeol KIM, Jong Soo PARK, Seung Bae LEE
  • Patent number: 11289345
    Abstract: A method for manufacturing a heat releasing semiconductor chip package includes attaching a first surface of a semiconductor chip onto an insulating film, injecting a coating liquid onto a second surface of the semiconductor chip to form a liquefied coating layer and curing the liquefied coating layer to form a heat releasing layer. The coating liquid includes a liquefied molding compound for heat releasing and fine alumina particles. Therefore, the heat releasing semiconductor chip package and method for manufacturing the semiconductor chip package form a heat releasing layer in direct contact with the semiconductor chip to maximize a heat releasing effect.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: March 29, 2022
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Jo Han Kim, Hee Jin Park, Kyeong Su Kim, Jae Jin Lee
  • Patent number: D1018323
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: March 19, 2024
    Assignee: KOLMAR KOREA CO., LTD.
    Inventors: Chang Soo Yi, Jong Hyun Park, Hye Jin Jung, Hee Yoon Kim