Patents by Inventor Hyung Dong Lee

Hyung Dong Lee 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: 20230183201
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and lifespan of a device employing the same, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: January 19, 2021
    Publication date: June 15, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Se Hoon LEE, Hyung Dong LEE, Dae Hwan OH, Won Sam KIM, Sun Hee LEE, Soung Yun MUN, Jeong Seok KIM
  • Publication number: 20230129535
    Abstract: Provided are an organic electronic element including an anode, a cathode, and an organic material layer between the anode and the cathode, and an electronic device including the organic electronic element, wherein the organic material layer includes each of the compounds represented by Formulas 1 and 2 and the driving voltage of the organic electronic element is lowered, and the luminous efficiency and lifetime of the element are improved.
    Type: Application
    Filed: November 28, 2022
    Publication date: April 27, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyun Ju SONG, Yun Suk LEE, Hyo Min JIN, Hyung Dong LEE
  • Publication number: 20230125420
    Abstract: The present invention provides a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic element using the same, and an electronic device thereof.
    Type: Application
    Filed: November 21, 2022
    Publication date: April 27, 2023
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyo Min Jin, Yun Suk Lee, Hyung Dong Lee
  • Publication number: 20230111751
    Abstract: An organic electric element according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode. The organic material layer includes compounds represented by Formula 1 and Formula 2 of the present invention, thereby the driving voltage the organic electric element can be lowered, and the luminous efficiency and the life time of the organic electric element can be improved.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 13, 2023
    Inventors: Hyung Dong LEE, Min Ji JO, Sun Hee LEE, Soung Yun MUN, Byoung Yeop KANG
  • Publication number: 20230065928
    Abstract: A memory device includes first to nth decks respectively coupled to first to nth row lines which are stacked over a substrate in a vertical direction perpendicular to a surface of the substrate, n being a positive integer, a first connection structure extending from the substrate in the vertical direction to be coupled to the first row line, even-numbered connection structures extending from the substrate in the vertical direction and respectively coupled to ends of even-numbered row lines among the second to nth row lines, and odd-numbered connection structures extending from the substrate in the vertical direction and respectively coupled to ends of odd-numbered row lines among the second to nth row lines. The even-numbered connection structures are spaced apart from the odd-numbered connection structures with the first row line and the first connection structure that are interposed between the even-numbered connection structures and the odd-numbered connection structures.
    Type: Application
    Filed: November 9, 2022
    Publication date: March 2, 2023
    Inventor: Hyung Dong LEE
  • Patent number: 11557729
    Abstract: Provided are an organic electronic element and an electronic device thereof, the organic electronic element being capable of achieving high light-emitting efficiency and a low driving voltage, and can also greatly improve the lifespan of the element by using a compound of the present invention as a phosphorescent host material.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: January 17, 2023
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Min Ji Jo, Sun Hee Lee, Nam Geol Lee, Hyung Dong Lee
  • Patent number: 11527727
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and lifespan of a device employing the same, an organic electronic element employing the same, and an electronic device thereof.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: December 13, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bu Yong Yun, Hyung Dong Lee, Ki Ho So, Sun-Hee Lee, Yun Suk Lee, Zhaoyang Zhong
  • Patent number: 11527575
    Abstract: A memory device includes first to nth decks respectively coupled to first to nth row lines which are stacked over a substrate in a vertical direction perpendicular to a surface of the substrate, n being a positive integer, a first connection structure extending from the substrate in the vertical direction to be coupled to the first row line, even-numbered connection structures extending from the substrate in the vertical direction and respectively coupled to ends of even-numbered row lines among the second to nth row lines, and odd-numbered connection structures extending from the substrate in the vertical direction and respectively coupled to ends of odd-numbered row lines among the second to nth row lines. The even-numbered connection structures are spaced apart from the odd-numbered connection structures with the first row line and the first connection structure that are interposed between the even-numbered connection structures and the odd-numbered connection structures.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: December 13, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyung Dong Lee
  • Publication number: 20220367567
    Abstract: An electronic device includes a semiconductor memory including material layers each including one or more low-resistance areas and one or more high-resistance areas, insulating layers stacked alternately with the material layers and including protrusions extending more than the material layers, conductive pillars passing through the insulating layers and the low-resistance areas, conductive layers located between the protrusions, and variable resistance layers interposed between the low-resistance areas and the conductive layers.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Inventors: Si Jung YOO, Tae Hoon KIM, Hyung Dong LEE
  • Publication number: 20220352475
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and lifespan of a device employing the same, an organic electronic element employing the same, and an electronic device thereof.
    Type: Application
    Filed: July 1, 2022
    Publication date: November 3, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Bu Yong YUN, Hyung Dong LEE, Ki Ho SO, Sun-Hee LEE, Yun Suk LEE, Zhaoyang ZHONG
  • Patent number: 11482283
    Abstract: A variable resistive memory device includes a memory cell, a first circuit, and a second circuit. The memory cell is connected between a word line and a bit line. The first circuit provides the bit line with a first pulse voltage based on at least one enable signal. The second circuit provides the word line with a second pulse voltage based on the enable signal. The first circuit generates the first pulse voltage increased in steps from an initial voltage level to a target voltage level.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: October 25, 2022
    Assignee: SK hynix Inc.
    Inventors: Ki Won Lee, Seok Man Hong, Tae Hoon Kim, Hyung Dong Lee
  • Patent number: 11450808
    Abstract: Provided are a compound represented by Formula 1 or Formula A, 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 an electronic device thereof, wherein the compound represented by Formula 1 or Formula A is included in the organic material layer, and thereby the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life time of the organic electronic device can be improved.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: September 20, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mi Young Chae, Hye Min Cho, Min Ji Jo, Soung Yun Mun, Sun Hee Lee, Nam Geol Lee, Hyung Dong Lee, Dae Hwan Oh, Ga Eun Lee, Sang Yong Park
  • Patent number: 11443172
    Abstract: A synapse array of a neuromorphic device is provided. The synapse array may include a pre-synaptic neuron; a row line extending from the pre-synaptic neuron in a row direction; a post synaptic neuron; a column line extending from the post-synaptic neuron in a column direction; and a synapse disposed at an intersection region between the row line and the column line. The synapse may include an n-type ferroelectric field effect transistor (n-FeFET) having a source electrode, a gate electrode and a body; a p-type ferroelectric field effect transistor (p-FeFET) having a source electrode, a gate electrode and a body; and a resistive element having a first node electrically connected to the source electrode of the n-FeFET and electrically connected to the source electrode of the p-FeFET, and the n-FeFET and the p-FeFET are electrically connected in series.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: September 13, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyung-Dong Lee
  • Patent number: 11437437
    Abstract: An electronic device includes a semiconductor memory including material layers each including one or more low-resistance areas and one or more high-resistance areas, insulating layers stacked alternately with the material layers and including protrusions extending more than the material layers, conductive pillars passing through the insulating layers and the low-resistance areas, conductive layers located between the protrusions, and variable resistance layers interposed between the low-resistance areas and the conductive layers.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: September 6, 2022
    Assignee: SK hynix Inc.
    Inventors: Si Jung Yoo, Tae Hoon Kim, Hyung Dong Lee
  • Publication number: 20220278284
    Abstract: Provided herein are an organic electronic compound capable of improving luminous efficiency, stability and lifespan of an electronic device, an organic electronic element employing the same, and an electronic device thereof.
    Type: Application
    Filed: December 3, 2021
    Publication date: September 1, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Ki Ho SO, Sang Don CHOI, Sun Hee LEE, Won Sam KIM, Soung Yun MUN, Jung Wook LEE, Hyung Dong LEE
  • Publication number: 20220278285
    Abstract: Provided are a compound represented by Formula 24, 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 comprising the compound of Formula 24, and an electronic device thereof, the element and device having improved driving voltage, luminous efficiency and life time from the employment of the compound.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 1, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Mi Young CHAE, Hye Min CHO, Min Ji JO, Soung Yun MUN, Sun Hee LEE, Nam Geol LEE, Hyung Dong LEE, Dae Hwan OH, Ga Eun LEE, Sang Yong PARK
  • Publication number: 20220220377
    Abstract: Provided are a quantum dot, a method of manufacturing the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including a first semiconductor nanocrystal and a doping metal. The first semiconductor nanocrystal includes a group II element, a group III element, and a group V element. The quantum dot has a narrower full width at half maximum (FWHM) and superior quantum efficiency, and manufactured in a simple manner.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 14, 2022
    Inventors: Do Eon KIM, Jong Moon SHIN, Chang Min LEE, Hyung Dong LEE
  • Publication number: 20220199911
    Abstract: Provided are an organic electric element including an anode, a cathode, and an organic material layer formed between the anode and the cathode, and electronic device thereof, and by including the compounds of Formulas 1 and 2 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: May 14, 2020
    Publication date: June 23, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Sun Hee LEE, Hyung Dong LEE, Soung Yun MUN, Jung Wook LEE
  • Patent number: 11341403
    Abstract: A synapse system of a neuromorphic device may include a pre-synaptic neuron; a pre-synaptic line extending from the pre-synaptic neuron in a first direction; a post-synaptic neuron; a post-synaptic line extending from the post-synaptic line in a second direction; a selecting controller; a selecting line extending from the selecting controller in a third direction; and a synapse electrically connected with the pre-synaptic line, the post-synaptic line, and the selecting line.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: May 24, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyung-Dong Lee
  • Publication number: 20220102643
    Abstract: Provides are a compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic element employing the same, and an electronic device thereof.
    Type: Application
    Filed: July 15, 2021
    Publication date: March 31, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Dong Hee SHIN, Hyung Dong LEE, Sun Hee LEE, Dae Sic KIM, Soung Yun MUN, Young Hoon KANG