Patents by Inventor Seung Hee Lee

Seung 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).

  • Publication number: 20230009629
    Abstract: The display device comprises a light emitting element layer on a substrate and configured to emit light, a wavelength control layer on the light emitting element layer and configured to convert a wavelength of the light, a color filter layer on the wavelength control layer, and an anti-reflection layer on the color filter layer, wherein the anti-reflection layer includes a first inorganic layer on the color filter layer, a second inorganic layer on the first inorganic layer, and a coating layer on the second inorganic layer and including a dye.
    Type: Application
    Filed: March 30, 2022
    Publication date: January 12, 2023
    Inventors: Seul Gee LEE, Tae Min KIM, Bong Sung SEO, Dong Geun SHIN, Gi Hoon YANG, Seung Hee LEE, Ho LIM
  • Patent number: 11499019
    Abstract: The present application relates to a curable composition. The present application provides a curable composition comprising an internal heat source for generating heat by application of an alternate-current magnetic field from the outside, together with a phthalonitrile compound and a curing agent therefor. The curable composition can precisely control the heat generated from the internal heat source according to the strength of the alternate-current magnetic field to precisely control curing conditions of the curable composition.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 15, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jin Kyu Lee, Seung Hee Lee, Sang Woo Kim, Sang Bum Ahn
  • Publication number: 20220357809
    Abstract: A display device includes: a panel including a display region and a touch region; and a circuit board, and including a first conductive layer, a second conductive layer and a first insulating layer between the first conductive layer and the second conductive layer. The circuit board includes: a plurality of data lines electrically connected with a plurality of data signal lines; a plurality of touch lines electrically connected with a plurality of touch electrodes; and a first ground line disposed between at least two or more of the plurality of data lines and the plurality of touch lines. The first ground line includes a first part of the first conductive layer, a first part of the second conductive layer, and a first via passing through the first insulating layer and connecting the first part of the first conductive layer with the first part of the second conductive layer.
    Type: Application
    Filed: December 14, 2021
    Publication date: November 10, 2022
    Inventors: Seung Hee LEE, Hyo Chul LEE
  • Patent number: 11456618
    Abstract: A micro-grid system with a power supply is disclosed according to one embodiment of the present invention. The micro-grid system with a power supply, according to one embodiment of the present invention, comprises: a first node having AC power applied thereto from a bus system; a first generator for applying DC power to a second node; a first load for receiving the AC power by being connected to a third node; a second load for receiving the DC power by being connected to the second node; a third load for receiving the AC power by being connected to a fourth node; a first converter for converting the DC power of the second node to AC power, and outputting same; a second converter for converting the DC power of the second node to AC power, and outputting same; and a switch unit for, according to the statuses of the first converter and the second converter, regulating the connection relations between the first node, the third node, the fourth node, the first converter and the second converter.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 27, 2022
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Seung-Hee Lee, Im-Soo Mok, Jong-Heui Hong, Jin-Hee Lee, A-Rong Kim, Won-Joon Song
  • Patent number: 11341872
    Abstract: The present disclosure provides a backplate including a first plate coupled to the rear surface of a flexible display panel, a second plate disposed opposite the first plate while being spaced apart therefrom, and an elastic part disposed between the first plate and the second plate and configured to resiliently change a distance between the first plate and the second plate. The present disclosure further provides a rollable display device including a flexible display panel, a backplate coupled to the rear surface of the flexible display panel, and a case accommodating a roller configured to roll or unroll the flexible display panel and the backplate together and having therein an entrance through which the flexible display panel and the backplate are introduced into or drawn out of the case. When the flexible display panel and the backplate are rolled around the roller, the backplate is gradually reduced in thickness.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 24, 2022
    Assignee: LG Display Co., Ltd.
    Inventor: Seung-Hee Lee
  • Publication number: 20220135728
    Abstract: Provided is an adhesive provided by patterning a metal plate with a predetermined elastic modulus, wherein the adhesive is compressively deformed in response to an operation of an adherend to be folded, so that the adhesive can easily return to an original state thereof through formation of a plurality of inner neutral planes upon deformation.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Inventor: Seung-Hee LEE
  • Patent number: 11320686
    Abstract: An optical film for a display device includes: a base layer; a pattern layer disposed on the base layer and having a repeating pattern of valleys and peaks; a plurality of first elongated scattering members disposed on upper surfaces of the valleys; and a cover layer having a shape that is complementary to and coupled with the repeating pattern of valleys and peaks, with the elongated scattering members being disposed between the pattern layer and the cover layer.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: May 3, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Won Kim, Yukihiro Miyazawa, Seung Hee Lee, Kyung Hwan Jeon
  • Publication number: 20220094195
    Abstract: A micro-grid system with a power supply is disclosed according to one embodiment of the present invention. The micro-grid system with a power supply, according to one embodiment of the present invention, comprises: a first node having AC power applied thereto from a bus system; a first generator for applying DC power to a second node; a first load for receiving the AC power by being connected to a third node; a second load for receiving the DC power by being connected to the second node; a third load for receiving the AC power by being connected to a fourth node; a first converter for converting the DC power of the second node to AC power, and outputting same; a second converter for converting the DC power of the second node to AC power, and outputting same; and a switch unit for, according to the statuses of the first converter and the second converter, regulating the connection relations between the first node, the third node, the fourth node, the first converter and the second converter.
    Type: Application
    Filed: December 11, 2019
    Publication date: March 24, 2022
    Inventors: Seung-Hee Lee, Im-Soo Mok, Jong-Heui Hong, Jin-Hee Lee, A-Rong Kim, Won-Joon Song
  • Patent number: 11258037
    Abstract: Provided is an adhesive provided by patterning a metal plate with a predetermined elastic modulus, wherein the adhesive is compressively deformed in response to an operation of an adherend to be folded, so that the adhesive can easily return to an original state thereof through formation of a plurality of inner neutral planes upon deformation.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: February 22, 2022
    Assignee: LG Display Co., Ltd.
    Inventor: Seung-Hee Lee
  • Publication number: 20220023092
    Abstract: Provided is an oral device, which comprises a body to be disposed inside the oral cavity and at least one wing configured to push cheek muscles outward.
    Type: Application
    Filed: October 7, 2021
    Publication date: January 27, 2022
    Inventors: Seung Hee LEE, Edwards Kyoung-joon MUN
  • Publication number: 20210376948
    Abstract: Provided is an optical transceiver including: a receiver configured to receive an optical transmission signal including wavelength information from another optical transceiver through a multiplexer/demultiplexer connected to the receiver; and a controller configured to identify a reception wavelength for communication with the other optical transceiver and to determine a wavelength corresponding to the reception wavelength as a transmission wavelength for communication with the other optical transceiver, based on the wavelength information included in the optical transmission signal.
    Type: Application
    Filed: May 28, 2021
    Publication date: December 2, 2021
    Applicant: SOLiD, INC.
    Inventors: Bum Soo PARK, Tae Hyeong KIM, Chi Young PARK, Seung Hee LEE, Eun Sung LEE
  • Patent number: 11091592
    Abstract: The polymerizable composition of the present application may exhibit a wide process window to have excellent workability, and may form a phthalonitrile resin having excellent heat resistance or a prepolymer thereof.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: August 17, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ki Ho Ahn, Sang Woo Kim, Seung Hee Lee, Yulliana Kim
  • Patent number: 10988576
    Abstract: The compound of the present application has a low melting point and excellent flexibility, and the like, so that a phthalonitrile resin, a prepolymer thereof, or a polymerizable composition forming the same can exhibit excellent workability and a wide process window and it can be made to ensure improved impact strength. The compound can form the phthalonitrile resin or the like into a liquid phase or form it into a rubber phase. Such a phthalonitrile resin or the like can be applied to various applications.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: April 27, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Seung Hee Lee, Sang Woo Kim, Ki Ho Ahn, Yulliana Kim
  • Patent number: 10983403
    Abstract: A flexible liquid crystal film using a fiber-based foldable transparent electrode and a method of fabricating the same are provided. A flexible liquid crystal film using a fiber-based foldable transparent electrode according to an exemplary embodiment of the present disclosure, the flexible liquid crystal film includes: a pair of fiber-based foldable transparent electrodes in which a nanofiber transparent thin film formed of a polymer and a Nylon-6 nanofiber is coated with a silver (Ag) nanowire; and a dispersed liquid crystal formed by being cured between the pair of fiber-based foldable transparent electrodes.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: April 20, 2021
    Assignee: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITY
    Inventors: Seung Hee Lee, Byoung Suhk Kim, In Chul Kim, Tae Hyung Kim, Chae-Song Kwak
  • Publication number: 20210055849
    Abstract: A display device includes a display panel including pixels, an active area on which an image is configured to be displayed, and a black matrix area on which an image is not configured to be displayed, touch sensor electrodes configured to detect a touch of an external object, the touch sensor electrodes disposed in the active area, and detection input electrodes configured to generate mutual capacitance with the touch sensor electrodes, the detection input electrodes disposed in an edge area of the display panel that overlaps the black matrix area.
    Type: Application
    Filed: October 15, 2020
    Publication date: February 25, 2021
    Inventors: Il Ho Lee, Seung-Hee Lee, Seoung Bum Pyoun, Young-Jin Kim
  • Patent number: 10927215
    Abstract: A polymerizable composition, a prepolymer, a phthalonitrile resin, or a composite provided herein has excellent heat resistance and does not cause defects that may adversely affect physical properties. In addition, the polymerizable composition exhibits appropriate curing properties, processing temperatures and process windows and to be capable of forming a composite of excellent physical properties.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: February 23, 2021
    Inventors: Sang Woo Kim, Seung Hee Lee, Ki Ho Ahn
  • Patent number: 10920016
    Abstract: The present application relates to a polymerizable composition, a prepolymer, a phthalonitrile resin, a composite, a method for producing the same, and a use thereof. The present application can provide a polymerizable composition, a prepolymer and a phthalonitrile resin capable of forming a composite showing proper curing property, melting temperature and process window and having excellent physical properties such as heat resistance and rigidity.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Woo Kim, Seung Hee Lee, Ki Ho Ahn, Yulliana Kim
  • Patent number: 10913822
    Abstract: The compound of the present application has a low melting point and excellent flexibility, and the like, so that a phthalonitrile resin or a prepolymer thereof or a polymerizable composition forming the same can exhibit excellent workability and a wide process window and it can be made to ensure improved impact strength. The compound can form the phthalonitrile resin or the like into a liquid phase or form it into a rubber phase. Such a phthalonitrile resin or the like can be applied to various applications.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: February 9, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sang Woo Kim, Seung Hee Lee, Ki Ho Ahn
  • Patent number: 10910124
    Abstract: A foldable transparent electrode based on fiber and a manufacturing method thereof are provided. The manufacturing method of a foldable transparent electrode based on fiber according to the exemplary embodiment includes: coating a nylon-6 nanofiber nonwoven fabric with a polymer to prepare a nylon-6 nanofiber transparent thin film, and spin coating the nylon-6 nanofiber transparent thin film with a silver nanowire solution.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: February 2, 2021
    Assignee: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITY
    Inventors: Byoung Suhk Kim, Seung Hee Lee, In Chul Kim
  • Patent number: 10870728
    Abstract: The present application relates to a phthalonitrile resin and the like. The present application can provide a phthalonitrile resin, and a polymerizable composition and prepolymer using the same, which can exhibit excellent curability, a suitable processing temperature and a wide process window, and form a composite having excellent physical properties. Also, according to the present invention, there may be provided a phthalonitrile resin, and a polymerizable composition and prepolymer using the same, which can exhibit appropriate viscosity characteristics and thus provide a final product without deterioration of mechanical physical properties or the like due to bubbles generated during processing.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: December 22, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Ki Ho Ahn, Sang Woo Kim, Seung Hee Lee