Patents by Inventor Jeong-hee Lee

Jeong-hee 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).

  • Patent number: 11522196
    Abstract: The present invention relates to an anode active material, a nonaqueous lithium secondary battery comprising the same, and a preparation method therefor, and the purpose of the present invention is to improve high-rate charging characteristics without deterioration of charging and discharging efficiency and lifetime characteristics when applying an amorphous carbon coating layer as the anode active material of the nonaqueous lithium secondary battery, wherein the amorphous carbon coating layer comprising MoPx particles composed of MoP and MoP2 is formed on the surface of a carbon-based material, thereby reducing resistance when intercalating lithium ions into the surface of the carbon-based material, and improving reactivity and structural stability of the surface. The anode active material according to the present invention comprises a carbon-based material, and an amorphous carbon coating layer comprising MoPx particles composed of MoP and MoP2 formed on the surface of the carbon-based material.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 6, 2022
    Assignees: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Sang Min Lee, Min Sik Park, Gum Jae Park, Ha Young Lim, Jeong Hee Choi
  • Publication number: 20220384812
    Abstract: A pre-dispersant composition includes a hydrogenated nitrile-butadiene rubber and an amide-based dispersion medium, wherein viscosity is in a range of 70 cPs to 3,000 cPs when measured with a Brookfield viscometer at 25° C., and a moisture content is 0.9 wt % or less. An electrode slurry composition including the pre-dispersant composition, and an electrode for a secondary battery and a secondary battery which are prepared by using the electrode slurry composition are also provided.
    Type: Application
    Filed: January 6, 2021
    Publication date: December 1, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Jung Eun Woo, Dong Jo Ryu, Seon Hee Han, Jung Sup Han, Jeong Man Son, Min Ah Kang, Cheol Hoon Choi, Sung Jin Lee
  • Publication number: 20220384684
    Abstract: A display device includes a base layer; a via layer over the base layer, the via layer having a concave groove; a light emitting element in the groove; a first electrode over the via layer; a second electrode over the via layer and spaced from the first electrode; and an anchor over the light emitting element within the groove. A first conductor is in the groove and covers an end of the light emitting element.
    Type: Application
    Filed: March 11, 2022
    Publication date: December 1, 2022
    Inventors: Jong Chan LEE, Hyun KIM, Jeong Su PARK, Sung Jin LEE, Hyun Wook LEE, Woong Hee JEONG, Jung Eun HONG
  • Publication number: 20220376185
    Abstract: Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.
    Type: Application
    Filed: June 28, 2022
    Publication date: November 24, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Won Sam KIM, Hyun Ji OH, Dae Hwan OH, Sun Hee LEE, Soung Yun MUN, Jeong Seok KIM
  • Patent number: 11508751
    Abstract: A semiconductor device includes an active fin on a substrate, a gate electrode and intersecting the active fin, gate spacer layers on both side walls of the gate electrode, and a source/drain region in a recess region of the active fin at at least one side of the gate electrode. The source/drain region may include a base layer in contact with the active fin, and having an inner end and an outer end opposing each other in the first direction on an inner sidewall of the recess region. The source/drain region may include a first layer on the base layer. The first layer may include germanium (Ge) having a concentration higher than a concentration of germanium (Ge) included in the base layer. The outer end of the base layer may contact the first layer, and may have a shape convex toward outside of the gate electrode on a plane.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: November 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namkyu Edward Cho, Seok Hoon Kim, Myung Il Kang, Geo Myung Shin, Seung Hun Lee, Jeong Yun Lee, Min Hee Choi, Jeong Min Choi
  • Publication number: 20220368245
    Abstract: A power system circuit apparatus is provided, which includes a first transformer having a Y-Y connection structure and configured to receive and transform three-phase AC power and output the transformed result, a first controlled rectifier configured to rectify an output voltage of the first transformer and output the rectified result; a second transformer having a Y-delta connection structure and configured to receive and transform the three-phase AC power and output the transformed result; a second controlled rectifier configured to rectify an output voltage of the second transformer and output the rectified result; and an output unit configured to add the output of the first controlled rectifier and the output of the second controlled rectifier and output a resultant sum. Accordingly, there is an effect of reducing the output current ripple and thus reducing the loss compared to the related method.
    Type: Application
    Filed: April 4, 2022
    Publication date: November 17, 2022
    Applicant: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Jeong Eon PARK, Byoung Hee LEE
  • Publication number: 20220368106
    Abstract: A vertical-cavity surface-emitting laser (VCSEL) including a substrate including a plurality of emitters forming an array region, a lower mirror, an upper mirror, an active layer interposed between the lower mirror and the upper mirror, an aperture forming layer interposed between the upper mirror and the active layer and including an oxidation region and a window region, a connector disposed on the upper mirror, a plurality of oxidation holes passing through the upper mirror and the aperture forming layer, an upper insulation layer covering the plurality of oxidation holes, and a pad electrically connected to the connector, in which at least a portion of the connector is disposed in the plurality of oxidation holes, the plurality of emitters is disposed in substantially a honeycomb shape on the substrate, and the pad is formed on one side of the substrate adjacent to the array region.
    Type: Application
    Filed: July 31, 2022
    Publication date: November 17, 2022
    Inventors: Ki Hwang LEE, Jeong Rae Ro, Byueng Su Yoo, Yoon Sang Jeon, Gong Hee Choi
  • Patent number: 11499098
    Abstract: A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Kun Su Park, Yuho Won, Jeong Hee Lee, Eun Joo Jang, Hyo Sook Jang, Yong Seok Han, Heejae Chung
  • Patent number: 11492568
    Abstract: Disclosed is a composition of a lubricant for cold pilgering of zirconium alloy tubes. More particularly, disclosed is a composition of an internal lubricant for cold pilgering of a zirconium alloy cladding tube, the composition exhibiting excellent lubricity and decomposition against microbes.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: November 8, 2022
    Assignees: KEPCO NUCLEAR FUEL CO., LTD., SHL CO., LTD.
    Inventors: Min Young Park, Sang Jin Han, Ki Bum Park, Jung Woo Cha, Duk Hee Lee, Kyung Tae Kim, Pyeong Mo Yeo, Jeong Jin Jang, Sang Soon Choi
  • Publication number: 20220332320
    Abstract: A vehicle control system includes a receiving unit to receive movement information of a plurality of forward vehicles on a road on which a subject vehicle is driven through V2X communication; a sensor to sense a specific forward vehicle, from among the plurality of forward vehicles, that is driven ahead of the subject vehicle; and a control unit to calculate a driving path for the subject vehicle based on the movement information of the plurality of forward vehicles received by the receiving unit and to control driving of the subject vehicle to follow the driving path or the specific forward vehicle.
    Type: Application
    Filed: April 18, 2022
    Publication date: October 20, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jeong Hee LEE
  • Patent number: 11474069
    Abstract: Disclosed is an open-junction ionic transistor which includes: a substrate; a p type gel which is formed as a polyelectrolyte gel on the substrate; an n type gel which is formed as the polyelectrolyte gel on the substrate and having one side contacting one side of the p type gel; a first reservoir contacting the other side of the p type gel; a second reservoir contacting the other side of the n type gel; and an encapsulation layer covering the p type gel, the n type gel, the first reservoir, and the second reservoir, in which on the encapsulation layer, an injection unit for injecting an ion input is formed at a location corresponding to an interface contacting the p type gel and the n type gel and when reverse bias voltage is applied between the p type gel and the n type gel, the ion input injected through the injection unit is amplified and ionic current peak is generated.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: October 18, 2022
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jeong-Yun Sun, Young-Chang Joo, Taek Dong Chung, Hae-Ryung Lee, Seung-Min Lim, Seok Hee Han, Hyunjae Yoo
  • Publication number: 20220324422
    Abstract: A vehicle control system includes a setting unit to sense a plurality of forward vehicles positioned ahead of a subject vehicle in a driving direction, to classify each of the forward vehicles as a far-away vehicle or a near-by vehicle, and to set each of the far-away vehicles as an interest vehicle, a receiving unit to receive braking information of each of the interest vehicles from the respective interest vehicles, and a control unit to control braking of the subject vehicle based on the braking information of each of the interest vehicles received by the receiving unit.
    Type: Application
    Filed: April 6, 2022
    Publication date: October 13, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Jeong Hee LEE
  • Patent number: 11450826
    Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Ho Kim, Won Sik Yoon, Jeong Hee Lee, Eun Joo Jang, Oul Cho
  • Publication number: 20220292586
    Abstract: The present disclosure provides a computerized method item correlation including: receiving an indication of an order comprising at least one item; determining if the order is urgent based on an amount of time remaining until the items must ship to a customer; determining a location of each of a plurality of pickers; iteratively, for items in the order: identifying a picker closest to the item, the picker having a current job priority; correlating the closest picker and the item in a data structure; re-correlating, in the data structure, at least one item previously correlated with the closest picker to an alternate picker in response to the current job priority not being urgent; sending, to a user device of the closest picker, a location and item identifier associated with the item; and storing, in the data structure, a completion flag in correlation with the item upon receipt of an item-complete message.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 15, 2022
    Inventors: CHANG GEUN JIN, LIANXI BAI, SUNG JIN PARK, SANG HO LEE, HYUN YOP JUNG, JEONG SEOK OH, SUN HEE HWANG, EUNG SOO LEE, WOONG KIM, XIUFANG ZHU, ZHONGNAN LI, LEMING LV, JAEHYUN KIM, YONG-CHO HWANG, ERIK REHN
  • Patent number: 11444145
    Abstract: A display device includes a substrate, a pixel structure, a lighting circuit part, a driving integrated circuit part, a first lighting wire, a second lighting wire, and a connection electrode. The substrate includes a display area and a pad area. The pixel structure is on the substrate in the display area to emit light. The lighting circuit part is on the substrate in the pad area, and is electrically coupled to the pixel structure. The first lighting wire is spaced apart from a first side of the driving integrated circuit part in a first direction, and is coupled to the lighting circuit part. The second lighting wire is spaced apart from a second side facing the first side of the driving integrated circuit part in a second direction opposite to the first direction. The connection electrode electrically couples the first lighting wire and the second lighting wire to each other.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: September 13, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Chul Lim, Won Ho Kim, Jeong Ho Lee, Yang Hee Kim, SoYeon Park, Sung Woo Jung
  • Publication number: 20220280684
    Abstract: The present invention relates to a biocompatible hydrogel comprising hyaluronic acid and polyethylene glycol, and more particularly, to a biocompatible hydrogel prepared by inducing inter-molecular and/or intra-molecular cross-linking of hyaluronic acid and polyethylene glycol only by irradiating radiation without adding a reactor, a chemical cross-linking agent, or the like, a method for preparing the same, and the use thereof.
    Type: Application
    Filed: July 24, 2020
    Publication date: September 8, 2022
    Inventors: Jeong Soo Yoo, Woong Hee Lee, Wanwook Kim
  • Patent number: 11434209
    Abstract: The present disclosure relates to a method for synthesis of TKX-50 using an insensitive intermediate, and more specifically, to a method of manufacturing TKX-50 which includes: preparing DCG as a starting material; forming a THP-DAG intermediate from the DCG; and synthesizing TKX-50 through the THP-DAG intermediate.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: September 6, 2022
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Kuk Tae Kwon, Woong Hee Lee, Jeong Sub Shim, So Jung Lee
  • Publication number: 20220278297
    Abstract: A quantum dot light emitting diode according to various embodiments of the present disclosure includes a first electrode and a second electrode that are opposite to each other; a light emitting layer that is located between the first electrode and the second electrode and includes a quantum dot; and an electron transport layer that is arranged between the first electrode and the light emitting layer and includes a metal oxide thin film, wherein the metal oxide thin film has a composition including at least one selected from the group consisting of In2O3, ZnO, SiO2 and SnO2.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 1, 2022
    Inventors: Young Woo HEO, Hyeok KIM, Joon Hyung LEE, Jeong Joo KIM, Sang Wook LEE, Jeong Woo HAN, Sang Hyub KIM, Chang Hee LEE
  • Publication number: 20220275010
    Abstract: Provided is a novel silylcyclodisilazane compound, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing the silicon-containing thin film using the same, and since the silylcyclodisilazane compound of the present invention has high reactivity, thermal stability and high volatility, it can be used as a silicon-containing precursor, thereby manufacturing a high-quality silicon-containing thin film by various deposition methods.
    Type: Application
    Filed: August 13, 2020
    Publication date: September 1, 2022
    Inventors: Se Jin JANG, Sung Gi KIM, Jeong Joo PARK, Tae Seok BYUN, Yong Hee KWONE, Yeong Hun KIM, Haengdon LIM, Sang Yong JEON, Sang Ick LEE
  • Patent number: 11429978
    Abstract: Provided is a delivery status management method performed by an electronic apparatus. The delivery status management method includes transmitting information associated with an item to a courier terminal, receiving information associated with a delivery progress status of the item from the courier terminal, and, when the information associated with the delivery progress status corresponds to a first type, performing a refund procedure for the item. According to the present disclosure, it is possible to provide a delivery status management method by which a refund caused by interruption of a delivery is not delayed and a refund procedure is performed quickly to a customer upon the interruption of the delivery.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: August 30, 2022
    Assignee: Coupang Corp.
    Inventors: Yul Hee Lee, Bo Ra Moon, Young Soo Lim, Tae Nyun Kim, Yoo Cheol Na, Jeong Ho Pi, Sang Seok Lee