Patents by Inventor Jung-Hwan Park

Jung-Hwan 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).

  • METHOD FOR MEASURING RADIOACTIVITY OF RADIOACTIVE WASTE
    Publication number: 20210302598
    Abstract: The present invention relates to a method for measuring radioactivity of radioactive waste, the method comprising an adsorption step (A) of selectively adsorbing a radioactive substance comprising at least one from among radioactive iodine and radioactive cesium from radioactive waste containing radioactive substances on an adsorption member for adsorbing a radioactive substance, and a measurement step (B) of measuring radioactivity of the radioactive substance.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 30, 2021
    Inventors: Sang Eun BAE, Jung Hwan PARK, Jun Hyuck KIM, Hwa Kyeung JEONG, Byung Man KANG, Tae Hong PARK, Sang Ho LIM, Kun Ho CHUNG
  • Compound for organic electronic element, organic electronic element using same and electronic device therefor
    Patent number: 11133471
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 28, 2021
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
  • Zirconium alloy cladding with improved oxidation resistance at high temperature and method for manufacturing same
    Patent number: 11118260
    Abstract: The present invention relates to a zirconium alloy cladding with improved oxidation resistance at a high temperature and a method of manufacturing the same. More particularly, the zirconium alloy cladding includes a zirconium alloy cladding; and a Cr—Al thin film coated on the cladding, wherein the thin film is deposited through arc ion plating and the content of Al in the thin film is 5% by weight to 20% by weight.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: September 14, 2021
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Jung Hwan Park, Hyun Gil Kim, Yang Il Jung, Dong Jun Park, Byoung Kwon Choi, Young Ho Lee, Jae Ho Yang
  • Compound For Organic Electronic Element, Organic Electronic Element Using Same, And Electronic Device Thereof
    Publication number: 20210257558
    Abstract: The present invention provides a compound that can increase the light-emitting efficiency, reduce the driving voltage, and improve the durability of an element, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: March 31, 2021
    Publication date: August 19, 2021
    Applicant: DUK SAN NEOLUX CO., LTD
    Inventors: Jeong Keun PARK, Hye Ryeong KIM, Ho Young JUNG, Jung Hwan PARK, Sun Hee LEE, Gyu Min LEE, Sun Pil HWANG, Seok Hyun KIM
  • COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT USING THE SAME, AND ELECTRONIC DEVICE THEREOF
    Publication number: 20210242408
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Application
    Filed: April 17, 2021
    Publication date: August 5, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Hak young LEE
  • Compound For Organic Electronic Element, Organic Electronic Element Using Same And Electronic Device Therefor
    Publication number: 20210226131
    Abstract: Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 22, 2021
    Applicant: DUK SAN NEOLUX CO., LTD
    Inventors: Hyoung Keun PARK, Yun Suk LEE, Ki Ho SO, Jong Gwang PARK, Yeon Seok JEONG, Jung Hwan PARK, Sun Hee LEE, Hak Young LEE
  • COMPOUND FOR AN ORGANIC ELECTRIC ELEMENT, AN ORGANIC ELECTRIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
    Publication number: 20210171510
    Abstract: The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved.
    Type: Application
    Filed: October 12, 2018
    Publication date: June 10, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun PARK, Won Sam KIM, Jung Hwan PARK, Hak Young LEE, Min Ji JO
  • Printed circuit board and electronic device having the same
    Patent number: 11032901
    Abstract: Provided is a printed circuit board including: a first flexible insulating layer; a first rigid insulating layer stacked on a first portion of the first flexible insulating layer; and an electronic element embedded in the first flexible insulating layer in stacked formation with the rigid insulating layer.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 8, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Jung-Hwan Park
  • Compound for organic electronic element, organic electronic element using same, and electronic device thereof
    Patent number: 11024810
    Abstract: Provided are an organic electronic element and an electronic device thereof, comprising a mixture of a compound of Formula 1 as a phosphorescent host material and thereby achieving high light-emitting efficiency, low driving voltage and improved lifespan.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: June 1, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam Kim, Sun Hee Lee, Soung Yun Mun, Hwa Soon Jung, Jung Hwan Park, Sun Pil Hwang, Bum Sung Lee
  • Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof
    Patent number: 10998502
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: May 4, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak young Lee
  • MICRO-NEEDLE AND METHOD OF MANUFACTURE
    Publication number: 20210121673
    Abstract: Disclosed is a microneedle including: a needle part including a plurality of tips formed from a liquid formulation formed with a medicinal solution and capable of penetrating the skin; and a base for supporting the plurality of tips; and a guide part configured to guide the needle part to penetrate the skin, wherein the needle part is provided with separation guides formed between the tips and the base to separate the tips from the base. According to such a configuration, the tips rapidly penetrate the skin and are rapidly separated therefrom, which allows quantitative drug delivery.
    Type: Application
    Filed: November 7, 2018
    Publication date: April 29, 2021
    Applicant: Gachon University of Industry-Academic Cooperation Foundation
    Inventors: Jung Hwan PARK, Won Jun LEE, Ji Seok KIM, Hye Rin JEONG, Jee Hyun PARK
  • Microneedle, apparatus for manufacturing microneedle, and method of manufacturing microneedle using apparatus
    Patent number: 10980993
    Abstract: Disclosed are a microneedle, an apparatus for manufacturing a microneedle including a support part containing a medicinal solution for coating a microneedle, a controller for controlling the temperature of the medicinal solution contained in the support part, and a dryer for drying the medicinal solution coated on the microneedle, and a method of manufacturing the microneedle using the apparatus. According to the configuration, the temperature of the medicinal solution can be adjusted such that a viscosity suitable for coating with the medicinal solution is maintained, whereby the quality of a microneedle coated with the medicinal solution can be improved, and denaturation of active ingredients in the medicinal solution can be prevented, which causes stability increase.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: April 20, 2021
    Assignee: GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jung Hwan Park, Hye Rin Jeong, Jee Hyun Park
  • Micro-needles and method of manufacturing the same
    Patent number: 10967164
    Abstract: Discloses is a method of manufacturing a micro-needle. The method includes a step of preparing a medicinal solution, a step of forming a plurality of tips with the medicinal solution, and a step of forming a cavity in each of the tips. In accordance with such a configuration, a micro-needle in which cavities are formed is provided, whereby it is possible to administer a fixed amount of medicine in a short time.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: April 6, 2021
    Assignee: GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jung Hwan Park, Ji Yeon Kim, Jee Hyun Park, Won Jun Lee
  • COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
    Publication number: 20210098719
    Abstract: The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by employing the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the electric element can be improved.
    Type: Application
    Filed: December 17, 2018
    Publication date: April 1, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Jong Gwang PARK, Yun Suk LEE, Jung Hwan PARK, Kyoung Chul KIM, Sun Hee LEE, Bum Sung LEE
  • ORGANIC ELECTRIC ELEMENT COMPRISING COMPOUND FOR ORGANIC ELECTRIC ELEMENT AND ELECTRONIC DEVICE THEREOF
    Publication number: 20210098706
    Abstract: The present invention provides an organic electric element and an electronic device thereof, wherein at least three of organic material layers of the organic electric element comprise the compound capable of increasing the luminous efficiency, lowering the driving voltage, increasing the heat resistance, improving color purity and lifetime of the organic electric element.
    Type: Application
    Filed: December 17, 2018
    Publication date: April 1, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Sun Hee LEE, Jong Gwang PARK, Yun Suk LEE, Jung Hwan PARK, Bum Sung LEE, Chi Hyun PARK
  • Compound For Organic Electronic Element, Organic Electronic Element Using Same, And Electronic Device Thereof
    Publication number: 20210074926
    Abstract: The present invention provides a compound that can increase the light-emitting efficiency, reduce the driving voltage, and improve the durability of an element, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 11, 2021
    Inventors: Jeong Keun PARK, Hye Ryeong KIM, Ho Young JUNG, Jung Hwan PARK, Sun Hee LEE, Gyu Min LEE, Sun Pil HWANG, Seok Hyun KIM
  • Semiconductor devices including stress-inducing layers and methods of forming the same
    Patent number: 10937952
    Abstract: A semiconductor device includes a first electrode disposed on a substrate, a magnetic tunnel junction (MTJ) on the first electrode, a capping layer on the MTJ, a stress-inducing layer on the capping layer, and a second electrode on the stress-inducing layer. The stress-inducing layer may have tensile stress.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: March 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Kyu Lee, Young Hyun Kim, Jung Hwan Park, Jung Min Lee, Kyung Ii Hong
  • COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT USING THE SAME, AND ELECTRONIC DEVICE THEREFOR
    Publication number: 20210028370
    Abstract: Provided is a novel mixture capable of improving luminous efficiency, stability, and lifespan of an element, an organic electric element using the same, and an electronic device therefor.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 28, 2021
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun MUN, Sun Hee LEE, Jong Gwang PARK, Ki Ho SO, Won Sam KIM, Jung Hwan PARK, Chi Hyun PARK, Mi Young CHAE
  • Insulation resistance measurement method and apparatus
    Patent number: 10884066
    Abstract: The present invention provides an insulation resistance measurement method capable of accurately measuring an insulation resistance even though insulation breakdown occurs in both ends of a battery by improving an insulation resistance measurement algorithm in spite of utilizing an existing insulation resistance measurement circuit as it is in measuring insulation breakdown of the battery.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: January 5, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventor: Jung Hwan Park
  • COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME, AND AN ELECTROLUMINESCENT DEVICE THEREOF
    Publication number: 20200358004
    Abstract: Provided are a compound represented by Formula 1, an organic electroluminescent element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electroluminescent device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electroluminescent element can be lowered, and the luminous efficiency and life time of the organic electroluminescent element can be improved.
    Type: Application
    Filed: September 19, 2018
    Publication date: November 12, 2020
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Seung Won CHOI, Won Sam KIM, Jung Hwan PARK, Chi Hyun PARK, Sun Hee LEE