Patents by Inventor Seung Jae Lee

Seung Jae 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).

  • Organic compound, organic optoelectronic element, and display device
    Patent number: 10680190
    Abstract: The present invention relates to an organic compound by chemical formula 1, and an organic optoelectronic element and a display device each comprising the organic compound.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: June 9, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byung-Ku Kim, Young-Kwon Kim, Jin-Hyun Lui, Chang-Ju Shin, Eun-Sun Yu, Seung-Jae Lee, Joo-Hee Seo
  • STORAGE DEVICE SHARING DATA ENCRYPTION KEY AS ENCRYPTED AND OPERATING METHOD OF STORAGE DEVICE
    Publication number: 20200169395
    Abstract: A storage device includes a nonvolatile memory device, and a controller that manages a data encryption key (DEK). The DEK is used to encrypt data to be written in a storage space of the nonvolatile memory device by a first user and to decrypt data read from the storage space. The controller grants a second user authority to access the storage space by encrypting the DEK based on a Diffie-Hellman (DH) algorithm, grants a second user authority to access the encrypted DEK, and decrypts the encrypted DEK based on the DH algorithm.
    Type: Application
    Filed: November 5, 2019
    Publication date: May 28, 2020
    Inventors: Hyunsook Hong, Jintaek Kwon, Myeongjong Lee, Seung-Jae Lee, Seokgi Hong, Byung-Gook Kim, Jisoo Kim
  • Light-emitting diode and light-emitting device including the same
    Patent number: 10665805
    Abstract: A light emitting diode includes a first electrode and a second electrode facing the first electrode. The light emitting diode further includes an emitting material layer (EML) disposed between the first electrode and the second electrode, and an electron transport layer (ETL) adjacent the EML. The ETL includes a plurality of first inorganic particles having a first average particle size, and a plurality of second inorganic particles having a second average particle size greater than the first average particle size. The plurality of first inorganic particles may also have a first energy bandgap, and a plurality of second inorganic particles may also have a second energy bandgap smaller than the first energy bandgap.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: May 26, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Jae Lee, Jong-Kwan Bin, Na-Yeon Lee
  • Nitride semiconductor light-emitting device, and method for manufacturing same
    Patent number: 10662511
    Abstract: A nitride semiconductor light-emitting device comprises a substrate; a first conductivity type semiconductor layer formed on the substrate; a high-resistance semiconductor layer formed on the first conductivity type semiconductor layer; an active layer formed on the high-resistance semiconductor layer and having multiple quantum wells; and a second conductivity type semiconductor layer formed on the active layer. A first v-pit structure is formed between the high-resistance semiconductor layer and the first conductivity type semiconductor layer, and a second v-pit structure is formed between the active layer and the second conductivity type semiconductor layer. The second v-pit structure is formed such that a lowest part of the second conductivity type semiconductor layer contacts a lowest quantum well of the multiple quantum wells of the active layer through the second v-pit structure.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 26, 2020
    Assignee: KOREA PHOTONICS TECHNOLOGY INSTITUTE
    Inventors: Seung-Jae Lee, Sung-Chul Choi, Jong-Hyeob Baek, Seong-Ran Jeon, Sang-Mook Kim, Tae Hoon Chung
  • Continuous variable valve duration apparatus and engine provided with the same
    Patent number: 10655511
    Abstract: A continuous variable valve duration apparatus is provided. The apparatus includes a camshaft and a cam unit on which a cam is formed. The camshaft is inserted into the cam unit. An inner wheel transmits rotation of the camshaft to the cam unit. The inner wheel is rotatably inserted in a wheel housing a housing hinge aperture parallel to the camshaft is formed on the wheel housing. A slider hinge aperture and a slider control aperture parallel to the camshaft are formed through a slider. A hinge shaft is inserted into the housing hinge aperture and the slider hinge aperture. An eccentric cam is formed on a control shaft and is inserted into the slider control aperture. A controller selectively rotates the control shaft to move the wheel housing perpendicular to the camshaft via the slider.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 19, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
  • DISPLAY DEVICE
    Publication number: 20200135835
    Abstract: A display device includes a substrate having a display area and a non-display area. A light emitting element is disposed in the display area. An encapsulation layer is configured to cover the display area and encapsulate the light emitting element. A power line is disposed in the non-display area. A first edge of the encapsulation layer in the non-display area is disposed to coincide with an edge of the power line or is disposed closer to the display area than the edge of the power line.
    Type: Application
    Filed: August 26, 2019
    Publication date: April 30, 2020
    Inventors: SEOK HOON SEO, Dong Won Han, Seung Woo Seo, Seung Jae Lee
  • Thin film transistor array panel
    Patent number: 10629624
    Abstract: A thin film transistor array panel includes a substrate, a gate insulating layer, an interface layer, and a semiconductor layer. The gate insulating layer is disposed on the substrate. The interface layer is disposed on the gate insulating layer. The semiconductor layer is disposed on the interface layer. The interface layer includes a fluorinated silicon oxide. The semiconductor layer includes a p-type oxide semiconductor material.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: April 21, 2020
    Assignees: SAMSUNG DISPLAY CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jae Heung Ha, Jong Woo Kim, Ji Young Moon, Min Ho Oh, Seung Jae Lee, Yoon Hyeung Cho, Young Cheol Joo, Hyeong Joon Kim, Eun-Kil Park, Sang Jin Han
  • Pollutant reduction device and method
    Patent number: 10618622
    Abstract: A pollutant reduction device and method are provided. The pollutant reduction device comprises: an exhaust gas pipe for discharging exhaust gas of a combustion engine; a cleaning water supply pipe for supplying cleaning water; a scrubber for spraying the cleaning water, which is supplied through the cleaning water supply pipe, at the exhaust gas flowing in through the exhaust gas pipe; and a cleaning water discharge pipe for discharging the cleaning water inside the scrubber and supplying the same to a ballast water tank.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG HEAVY INDUSTRIES CO., LTD.
    Inventors: Seung Jae Lee, Hee Jun Park, Gun IL Park, Jae Woong Choi
  • Method of manufacturing a semiconductor device
    Patent number: 10622360
    Abstract: A semiconductor device includes a substrate with an active region, a plurality of conductive line structures on the substrate, an insulating layer separating the plurality of conductive line structures from the substrate, a contact plug between every two adjacent conductive line structures, an insulating spacer structure between each conductive line structure and a corresponding contact plug, a landing pad connected to each contact plug, and a landing pad insulation pattern having an asymmetrical shape based on a vertical axis of the landing pad that extends along a normal to the substrate. The landing pad insulation pattern includes a first portion overlapping the conductive line structures and a second portion overlapping the contact plug, the first and second portions being on opposite sides of the vertical axis.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: April 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam-gun Kim, Sang-min Lee, Tae-seop Choi, Kon Ha, Seung-jae Lee
  • Nonvolatile memory device and a method of programming the nonvolatile memory device
    Patent number: 10614886
    Abstract: A method of programming a non-volatile memory device including a first memory block and a second memory block includes: performing a first program operation on a first memory cell in the first memory block and connected to a first word line of a first level with respect to a substrate; after the performing of the first program operation on the first memory cell, performing the first program operation on a second memory cell in the second memory block and connected to a second word line of the first level; and after the performing of the first program operation on the second memory cell, performing a second program operation on the first memory cell.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: April 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-min Joe, Seung-Jae Lee, Sun-gun Lee
  • Organic compound, and organic light emitting diode and organic light emitting display device including the same
    Patent number: 10615347
    Abstract: The present invention provides an organic compound for an organic light emitting diode. The organic compound is represented by: The organic compound is capable of reducing a driving voltage of an organic light emitting diode by an excellent charge transporting property. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: April 7, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Jae Lee, Jong-Kwan Bin, Bo-Min Seo, Hye-Ock Choi
  • LAMINATED BODY FOR PREPARING WAVELENGTH CONVERSION MEMBER AND PREPARATION METHOD OF WAVELENGTH CONVERSION MEMBER
    Publication number: 20200079684
    Abstract: The present invention relates to a laminate for preparing a wavelength converting member and a process for preparing a wavelength converting member. More particularly, the present invention relates to a laminate for preparing a wavelength converting member, which can be calcined at a temperature of 800° C. or lower, preferably 700° C. or lower and has a high light transmittance, a high refractive index, and a good shape upon the calcination, whereby it can be advantageously used for LEDs, and a process for efficiently preparing the wavelength converting member using a confining layer comprised of specific components.
    Type: Application
    Filed: September 6, 2019
    Publication date: March 12, 2020
    Applicant: DAEJOO ELECTRONIC MATERIALS CO., LTD
    Inventors: Min Suk KANG, Jung Kyu LEE, Seung Jae LEE, Joong Kyu LIM
  • ZIRCONIUM ALLOY HAVING EXCELLENT CORROSION RESISTANCE FOR NUCLEAR FUEL CLADDING TUBE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200075181
    Abstract: A zirconium alloy is manufactured through melting; solution heat treatment at 1,000 to 1,050° C. (?) for 30 to 40 min and ?-quenching using water; preheating at 630 to 650° C. for 20 to 30 min and hot rolling at a reduction ratio of 60 to 65%; primary intermediate vacuum annealing at 570 to 590° C. for 3 to 4 hr and primarily cold-rolled at a reduction ratio of 30 to 40%; secondary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and secondarily cold-rolled at a reduction ratio of 50 to 60%; tertiary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and tertiarily cold-rolled at a reduction ratio of 30 to 40%; and final vacuum annealing at 460 to 590° C. for 7 to 9 hr.
    Type: Application
    Filed: November 8, 2019
    Publication date: March 5, 2020
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Min Young CHOI, Yong Kyoon MOK, Yoon Ho KIM, Yeon Soo NA, Chung Yong LEE, Hun JANG, Tae Sik JUNG, Dae Gyun GO, Sung Yong LEE, Seung Jae LEE, Jae Ik KIM
  • BALL LAUNCHER AND AMUSEMENT MACHINE USING IT
    Publication number: 20200070041
    Abstract: Disclosed is a ball launcher and an amusement machine using the ball launcher. The ball launcher includes: a controller that produces compressed air when the controller is hit; a cylinder that is disposed under the ball seat member and has a piston that is moved up/down by compressed air; a duct member that is connected to the lower portion of the ball seat member to send the compressed air produced by the controller to the cylinder; a rotary disc assembly that is disposed over the ball seat member, has two or more through-holes in which balls are seated, and is rotated by a motor to sequentially seat balls on the ball seat member; and a ball sensor that selectively operates the motor by determining whether there is a ball on the ball seat member. The ball launcher launches balls by controlling an external controller and easily collects the balls, so the ball launching function can be quickly controlled.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 5, 2020
    Inventors: EUN JUNG GU, SEUNG JAE LEE, SEUNG WOO LEE, ANKHBAYAR GUNGAA
  • Semiconductor devices including a device isolation region in a substrate and/or fin
    Patent number: 10566326
    Abstract: Semiconductor devices are provided. A semiconductor device includes a semiconductor substrate. The semiconductor device includes first and second source/drain regions in the semiconductor substrate. Moreover, the semiconductor device includes a multi-layer device isolation region in the semiconductor substrate between the first and second source/drain regions. The multi-layer device isolation region includes a protruding portion that protrudes away from the semiconductor substrate beyond respective uppermost surfaces of the first and second source/drain regions.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae Young Kwak, Ki Byung Park, Kyoung Hwan Yeo, Seung Jae Lee, Kyung Yub Jeon, Seung Seok Ha, Sang Jin Hyun
  • Continuous variable valve duration apparatus and engine provided with the same
    Patent number: 10563551
    Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam unit on which a cam is formed, of which the camshaft is inserted thereto and of which a relative phase angle with respect to the camshaft is variable, an inner bracket transmitting rotation of the camshaft to the cam unit, a wheel housing in which the inner bracket is rotatably inserted, on which a guide groove parallel to the camshaft is formed, and on which a guide hole vertical to the camshaft is formed, a guide portion including a guide shaft inserted into the guide hole for guiding movement of the wheel housing and a control portion including a control shaft disposed parallel to the camshaft and inserted into the guide groove, and the control portion selectively rotating the control shaft for the relative position of the wheel housing with respect to the camshaft to be changed.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
  • Continuously variable valve duration apparatus and engine provided with the same
    Patent number: 10550738
    Abstract: A continuously variable valve duration apparatus may include: a camshaft; a cam unit on which a cam is formed, and the camshaft inserted to the cam; an inner wheel for transmitting rotation of the camshaft to the cam unit; a wheel housing into which the inner wheel is rotatably inserted and movable perpendicular to the camshaft; a guide shaft on which a guide screw thread is formed and disposed perpendicular to the camshaft; a worm wheel formed with an inner screw thread for engaging with the guide screw thread, and the worm wheel disposed within the wheel housing; and a control shaft on which a control worm for engaging with the worm wheel is formed.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: February 4, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
  • MAGNETIC MEMORY DEVICE
    Publication number: 20200035279
    Abstract: Embodiments provide a magnetic memory device and a method of writing a magnetic memory device. The magnetic memory device includes a magnetic tunnel junction including a reference layer, a free layer and a tunnel barrier layer between the reference and free layers, and a first conductive line adjacent to the free layer. A first spin-orbit current having a frequency decreasing with time flows through the first conductive line. The writing method includes applying the first spin-orbit current having the frequency decreasing with time to the first conductive line.
    Type: Application
    Filed: October 3, 2019
    Publication date: January 30, 2020
    Inventors: Woo Chang LIM, Kyung-Jin LEE, Gyungchoon GO, Seung-Jae LEE
  • Machine learning method and apparatus
    Patent number: 10546209
    Abstract: A machine learning method for learning how to form bounding boxes, performed by a machine learning apparatus, includes extracting learning images including a target object among a plurality of learning images included in a learning database, generating additional learning images in which the target object is rotated from the learning images including the target object, and updating the learning database using the additional learning images.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: January 28, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Jae Lee, Hyung Kwan Son, Keun Dong Lee, Jong Gook Ko, Weon Geun Oh, Da Un Jung
  • Stiffener package and method of fabricating stiffener package
    Patent number: 10535536
    Abstract: A wafer level fan out package includes a semiconductor die having a first surface, a second surface, and a third surface. A stiffener is disposed on the third surface of the semiconductor die. A conductive via passes through the stiffener. First and second electrically conductive patterns electrically connected to the conductive via are disposed on the first and second surfaces of the semiconductor die and stiffener. Solder balls are electrically connected to the first or second electrically conductive patterns.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: January 14, 2020
    Assignee: Amkor Technology, Inc.
    Inventors: Jin Young Kim, Doo Hyun Park, Seung Jae Lee