Patents by Inventor Dong Ha PARK

Dong Ha 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).

  • Patent number: 12167689
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: X1 is O or S; L1 is a single bond or an unsubstituted phenylene; L2 is a single bond, or a substituted or unsubstituted: phenylene, naphthylene, or biphenylenyl; Y1 to Y3 are each independently N or CR3, where at least one is N; Ar1a and Ar1b are each independently a substituted or unsubstituted: C6-60 aryl or C1-60 heteroaryl containing 1 to 3 heteroatoms selected from N, O and S; R1 and R2 are each independently hydrogen, deuterium, cyano, or a substituted or unsubstituted C1-10 alkyl; each R3 is independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C1-60 haloalkyl, C1-60 alkoxy, a C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, or a C1-60 heteroaryl containing at least one heteroatom selected from N, O and S; and an organic light emitting device comprising the same.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: December 10, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Min Woo Jung, Dong Hoon Lee, Tae Yoon Park, Seong Mi Cho, Jeong Wook Mun, Jung Ha Lee, Mi Young Chae
  • Patent number: 12165556
    Abstract: A display device includes a display part, a degradation compensator that generates a first compensated grayscale value by compensating for a first grayscale value corresponding to a first pixel, and generates a second compensated grayscale value by compensating for a second grayscale value corresponding to a second pixel, and a data driver that generates a first data signal based on the first compensated grayscale value to supply the first data signal to the first pixel, and generates a second data signal based on the second compensated grayscale value to supply the second data signal to the second pixel. A second degradation curve is defined by a first degradation coefficient corresponding to a first degradation curve, and a second degradation coefficient corresponding to a first estimated degradation curve for the light conversion particles of a second color calculated by applying the first degradation curve.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok Ha Hong, Joon Chul Goh, Dong Joon Kwag, Hyung Jin Kim, Ji Eun Park, Jae Sung Bae, Young Soo Hwang
  • Patent number: 12154485
    Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyuk Park, Hong Soo Kim, Young Ha Sohn, Jin Wook Yang, Dong Gyu Lee, Jae Hyeon Jeon
  • Publication number: 20240366623
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating Charcot-Marie-Tooth disease associated with a peripheral nervous system, comprising a compound represented by formula I, optical isomers thereof or pharmaceutically acceptable salts thereof as an active ingredient, a method for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system using the compound, a use of the compound for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system, and a use of the compound in preparing a medicament for preventing or treating Charcot-Marie-Tooth disease associated with the peripheral nervous system.
    Type: Application
    Filed: August 30, 2022
    Publication date: November 7, 2024
    Inventors: Nina Ha, Daekwon Bae, Min Cheol Kim, Ju Young Song, Dong-hyeon Suh, Suk Jin Lee, Jiyeon Baek, Jin Sol Park
  • Publication number: 20240368104
    Abstract: The present invention provides a compound of chemical formula 1, a compound of chemical formula 3, compound [212], compound [224], or compound [228], a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a hydrate thereof, or a solvate thereof, and a pharmaceutical composition comprising same. The pharmaceutical composition has excellent antiviral efficacy, thereby having a preventive or treatment effect on viral infectious disease such as SARS-COV-2, and exhibits an inhibitory effect on IL-5 expression and thus has a preventive or treatment effect on respiratory disease or allergic disease.
    Type: Application
    Filed: March 30, 2022
    Publication date: November 7, 2024
    Applicant: DONG WHA PHARM. CO., LTD.
    Inventors: Jae Kyung LIM, Jung UK CHOI, Dong Hyuk SHIN, Yong Tae KIM, Seung Hwan KIM, Jung Hwan KIM, O Jin KWON, Jin Yong JUNG, Seo Hee JEONG, Yun Ha HWANG, Doc Gyun JEONG, Ji Hyun YOUM, Whui Jung PARK
  • Publication number: 20240347001
    Abstract: A display device includes an on-duty determiner which determines an on-duty period of an emission signal, based on a number of at least one cycle of a current frame, a first compensation value determiner which determines a first compensation value of a bias voltage according to a variation of the on-duty period, a second compensation value determiner which determines a second compensation value of the bias voltage, based on a driving frequency of a previous frame, and a third compensation value determiner which determines a third compensation value, based on the first compensation value and the second compensation value.
    Type: Application
    Filed: November 11, 2023
    Publication date: October 17, 2024
    Inventors: Se Hyuk PARK, Young Ha SOHN, Jin Wook YANG, Dong Gyu LEE, Suk Hun LEE, Jae Hyeon JEON
  • Publication number: 20240325285
    Abstract: Provided is an antibacterial composition including lemongrass oil, lavender oil, and ylang ylang oil.
    Type: Application
    Filed: July 25, 2023
    Publication date: October 3, 2024
    Inventors: Hye Young YOO, Sung Ha PARK, Dong Min SHIN, Yong Hyun KIM, Eun Hye LEE, Eun Sung KO
  • Publication number: 20240315113
    Abstract: A display device includes: a display panel including a semiconductor wafer substrate and an OLED on the semiconductor wafer substrate; an encapsulation substrate on the display panel; a sealing member between the display panel and the encapsulation substrate to couple the display panel with the encapsulation substrate; and a filler surrounded by the sealing member between the display panel and the encapsulation substrate, wherein the sealing member includes: an organic spacer corresponding to at least a portion of a non-display area of the display panel; and a first sealing compensation layer below the organic spacer, wherein a lower surface of the organic spacer directly contacts the first sealing compensation layer.
    Type: Application
    Filed: September 21, 2023
    Publication date: September 19, 2024
    Inventors: Hwi Seong KIM, Dong Hoo KIM, Ji Hun PARK, Maeng Ha LEE, Jae Man LEE
  • Publication number: 20240278853
    Abstract: An embodiment vehicle dash crossmember includes a cross portion extending in a width direction of a vehicle body, a front portion protruding from the cross portion toward a front of the vehicle body, and a pair of outrigger portions provided at both ends of the cross portion, respectively, wherein the cross portion, the front portion, and the pair of outrigger portions define a unitary one-piece structure.
    Type: Application
    Filed: September 7, 2023
    Publication date: August 22, 2024
    Inventors: Ji Woong Park, Dong Ha Kang, Dae Ho Lee
  • Publication number: 20240270646
    Abstract: Provided are a marine concrete composition using dechlorination microorganisms capable of easily removing chlorine generated by seawater through an electrical method by allowing electrons emitted from electricity-generating microorganisms to flow through steel fibers incorporated into ultra-high-performance concrete (UHPC) or high-performance fiber reinforced concrete (HPFRCC) through a dechlorination microbial capsule carrier and capable of self-healing concrete crack sites through a self-healing microbial capsule carrier and is also capable of fundamentally solving the problem of reduced durability against salt damage of ultra-high-performance concrete or high-performance fiber reinforced concrete for application in marine construction environments through a dechlorination microbial capsule carrier, and a method for constructing a marine concrete structure using the same.
    Type: Application
    Filed: November 6, 2023
    Publication date: August 15, 2024
    Applicants: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY, Four-m Co., Ltd.
    Inventors: Kyong-Chul Kim, Kwang-Mo Lim, Kyung-Taek Koh, Gum-Sung Ryu, Sung Yong Park, Jae-Yoon Kang, Gi-Hong An, Kihyon Kwon, Nam-Kon Lee, Soonku Yoon, Jueng wan Go, Dong ha Lee
  • Patent number: 11017918
    Abstract: Provided is a semi-conductive composition for a power cable, more particularly, a semi-conductive composition for a power cable having excellent mechanical properties and electrical properties, and more specifically, a semi-conductive composition for a power cable capable of having improved scorch stability, improved surface smoothness, improved space charge accumulation suppression characteristic to thereby be applicable to an ultra-high voltage direct current power cable.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: May 25, 2021
    Assignee: DYM SOLUTION CO., LTD.
    Inventors: Jong Seok Yang, Ki Joung Lee, Geun Bae Jeon, Dong Ha Park
  • Patent number: 10732613
    Abstract: Provided is a smart factory for production and quality management of a thermoplastic and thermosetting compound capable of predicting and controlling quality and production schedule in the future as well as monitoring a current state of factory by acquiring various types of data generated during a manufacturing process such as a manufacturing schedule, a quality condition, or the like of a manufacturing process.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: August 4, 2020
    Assignee: DYM Solution Co., Ltd.
    Inventor: Dong Ha Park
  • Patent number: 10658649
    Abstract: An electronic equipment chamber is disclosed. The electronic equipment chamber has an electronic equipment chamber board on which at least one electronic component among a current sensor, a relay, and a fuse is disposed, a controller located in a center of the electronic equipment chamber board, the controller electrically connected to the electronic component and configured to control the electronic component, and a plurality of busbars electrically connected to the electronic component and disposed along an outer edge of the electronic equipment chamber board, the plurality of busbars spaced apart from the controller.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: May 19, 2020
    Assignee: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Young Geun Park, Dong Ha Park
  • Patent number: 10626260
    Abstract: Provided is a semiconductive resin composition which may be used for both an internal semiconductive layer and an external semiconductive layer of a power cable, and in particular has excellent peelability to be used for the external semiconductive layer. In addition, a novel semiconductive resin composition having improved thermal resistance and mechanical physical properties, and an improved deterioration property is provided. The semiconductive resin composition for a power cable includes: 20 to 70 parts by weight of any one or two or more conductive particles selected from the group consisting of carbon black, graphite and graphene, based on 100 parts by weight of a composite resin including a polypropylene homopolymer having a melting point of 150 to 170° C. and an ethylene-(meth)acrylate-based resin.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: April 21, 2020
    Assignee: DYM SOLUTION CO., LTD.
    Inventors: Jong Seok Yang, Ki Joung Lee, Geun Bae Jeon, Dong Ha Park
  • Patent number: 10442923
    Abstract: Provided is a semiconductive resin composition which may be used for both an internal semiconductive layer and an internal semiconductive layer of a power cable, and in particular has excellent peelability to be used for the external semiconductive layer. In addition, a novel semiconductive resin composition having improved thermal resistance and mechanical physical properties, and an improved deterioration property is provided. The semiconductive resin composition for a cable includes: 1 to 15 parts by weight of a multiwalled carbon nanotube as a conductive particle, and 1 to 10 parts by weight of an enhancer, based on 100 parts by weight of a composite resin including 10 to 250 parts by weight of an ethylene-(meth)acrylate-based resin and 1 to 100 parts by weight of an olefinic elastomer, based on 100 parts by weight of a polypropylene-based resin.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: October 15, 2019
    Assignee: DYM Solution Co., Ltd.
    Inventors: Jong Seok Yang, Jae Gyu Han, Geun Bae Jeon, Dong Ha Park
  • Publication number: 20190180889
    Abstract: Provided is a semi-conductive composition for a power cable, more particularly, a semi-conductive composition for a power cable having excellent mechanical properties and electrical properties, and more specifically, a semi-conductive composition for a power cable capable of having improved scorch stability, improved surface smoothness, improved space charge accumulation suppression characteristic to thereby be applicable to an ultra-high voltage direct current power cable.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 13, 2019
    Inventors: Jong Seok Yang, Ki Joung Lee, Geun Bae Jeon, Dong Ha Park
  • Publication number: 20190040244
    Abstract: Provided is a semiconductive resin composition which may be used for both an internal semiconductive layer and an external semiconductive layer of a power cable, and in particular has excellent peelability to be used for the external semiconductive layer. In addition, a novel semiconductive resin composition having improved thermal resistance and mechanical physical properties, and an improved deterioration property is provided. The semiconductive resin composition for a power cable includes: 20 to 70 parts by weight of any one or two or more conductive particles selected from the group consisting of carbon black, graphite and graphene, based on 100 parts by weight of a composite resin including a polypropylene homopolymer having a melting point of 150 to 170° C. and an ethylene-(meth)acrylate-based resin.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 7, 2019
    Inventors: Jong Seok YANG, Ki Joung Lee, Geun Bae Jeon, Dong Ha Park
  • Publication number: 20190040243
    Abstract: Provided is a semiconductive resin composition which may be used for both an internal semiconductive layer and an internal semiconductive layer of a power cable, and in particular has excellent peelability to be used for the external semiconductive layer. In addition, a novel semiconductive resin composition having improved thermal resistance and mechanical physical properties, and an improved deterioration property is provided. The semiconductive resin composition for a cable includes: 1 to parts by weight of a multiwalled carbon nanotube as a conductive particle, and 1 to 10 parts by weight of an enhancer, based on 100 parts by weight of a composite resin including 10 to 250 parts by weight of an ethylene-(meth)acrylate-based resin and 1 to 100 parts by weight of an olefinic elastomer, based on 100 parts by weight of a polypropylene-based resin.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 7, 2019
    Inventors: Jong Seok Yang, Jae Gyu Han, Geun Bae Jeon, Dong Ha Park
  • Patent number: 10174187
    Abstract: Provided are a room temperature crosslinked type halogen-free flame retardant resin composition and a method of preparing the same. Specifically, a room temperature crosslinked type halogen-free flame retardant resin composition according to the present invention including a polyethylene resin, a olefin-based elastomer, a metal hydroxy compound, a radical initiator, a crosslinked type alkoxysilane-based compound, a condensation catalyst of the crosslinked type alkoxysilane-based compound, and one or more crosslinking aids selected from the group consisting of an aliphatic acid and an aliphatic acid metal salt, and a method of preparing the same are provided. Further, a compound material and a masterbatch which are compositions for preparing the room temperature crosslinked type halogen-free flame retardant composition, and methods of preparing the same are provided.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: January 8, 2019
    Assignee: DYM SOLUTION CO., LTD.
    Inventors: Jong Seok Yang, Eun Ho Choi, Chan Ryoo, Baeg Yong Seong, Dong Ha Park
  • Publication number: 20180314241
    Abstract: Provided is a smart factory for production and quality management of a thermoplastic and thermosetting compound capable of predicting and controlling quality and production schedule in the future as well as monitoring a current state of factory by acquiring various types of data generated during a manufacturing process such as a manufacturing schedule, a quality condition, or the like of a manufacturing process.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 1, 2018
    Applicant: DYM Solution Co., Ltd.
    Inventor: Dong Ha Park