Patents by Inventor Eun-Ju Kim

Eun-Ju Kim 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: 20240006562
    Abstract: A display apparatus including a display panel, and a backlight to provide light toward the display panel, the backlight including a circuit board, an optical layer disposed on the circuit board, at least one light emitter disposed between the circuit board and the optical layer and including a light emitting structure disposed on the circuit board and having first and second conductivity type semiconductor layers and an active layer therebetween, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflector on the light emitting structure, a light transmitting layer disposed on the circuit board and contacting the light emitter, and a dam disposed on the circuit board and surrounding the light emitter and including a portion having a curved shape.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju KIM
  • Publication number: 20230365643
    Abstract: A peptide according to an embodiment has the amino acid sequence SEQ ID NO: 1 or 2. The peptide may have an amino group at C-terminus. The peptide may have at least one amino acid. The peptide may have excellent solubility and stability such that they are advantageous for formulation when manufacturing cosmetics or drugs containing the same, thereby improving skin wrinkles, sensitive skin and dermatitis, promoting hair growth, and enhancing drug efficacy for metabolic diseases.
    Type: Application
    Filed: August 26, 2021
    Publication date: November 16, 2023
    Inventors: Jin Ho CHUNG, Eun Ju KIM
  • Patent number: 11815258
    Abstract: A lens for dispersing light emitted from a light emitting device, the lens including a lower surface, a light incident portion having a concave shape from the lower surface, the light incident portion having a light incident surface, and a light exit portion through which light having entered the lens through the light incident portion exits the lens to an outside of the lens, in which the light incident surface includes at least one protruding light incident facet.
    Type: Grant
    Filed: November 21, 2021
    Date of Patent: November 14, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jae Eun Park, Eun Ju Kim
  • Publication number: 20230361259
    Abstract: A display device comprises: a first voltage wiring line extending in a first direction; a data line spaced apart from the first voltage wiring line and extending in the first direction; a scan line extending in a second direction crossing the first direction; a sensing line spaced apart from the scan line and extending in the second direction; a first internal bank and a second internal bank arranged on the first voltage wiring line and the data line, extending in the first direction and being spaced apart from each other while facing each other; a first electrode arranged on the first internal bank and extending in the first direction; a second electrode arranged on the second internal bank and extending in the first direction; and a plurality of light emitting elements arranged between the first electrode and the second electrode.
    Type: Application
    Filed: February 27, 2020
    Publication date: November 9, 2023
    Inventors: Su Yeon YUN, Yun Mi CHOI, Eun Ju KIM, An Na RYU
  • Publication number: 20230332757
    Abstract: A lens including a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident, and a light exiting part through which the incident light is emitted to an outside of the lens, in which each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part, the light entering part includes a light incident vertical surface extending from a lower surface of the lens, and a light incident inclined surface extending upward from the light incident vertical surface, and the light incident vertical surface surrounds the light emitting device.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Eun Ju KIM, Jae Eun PARK
  • Publication number: 20230324736
    Abstract: A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju KIM
  • Patent number: 11771636
    Abstract: The present invention relates to a composition comprising adiponectin-derived peptide fragments and, more specifically, to a cosmetic composition and pharmaceutical composition for promoting hair growth comprising, as an active ingredient, one or more adiponectin-derived peptides selected from the group consisting of amino acid sequences of SEQ ID NOS: 1 to 21. The adiponectin-derived peptides activate the cell division of dermal papilla cells and outer root sheath cells of hair follicles, promote hair growth in the hair follicles, and also increase the expression of hair growth factors in the dermal papilla cells, and thus a composition of the present invention comprising the adiponectin-derived peptides can be effectively used to promote hair growth and inhibit hair loss.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: October 3, 2023
    Assignee: JUNGJINHO EFFECT INC.
    Inventors: Jin Ho Chung, Oh Sang Kwon, Eun Ju Kim, Jin Yong Kim, Dong Hun Lee
  • Publication number: 20230307432
    Abstract: A display device includes a thin film transistor substrate having a thin film transistor, a light emitting element including an ultra-small LED element on the thin film transistor substrate, a pixel electrode connected to one end of the thin film transistor and one end of the light emitting element, a common electrode on the thin film transistor substrate and connected to an other end of the light emitting element, a color conversion layer on the light emitting element and including a plurality of quantum dot materials, and an encapsulation layer on the color conversion layer.
    Type: Application
    Filed: May 11, 2023
    Publication date: September 28, 2023
    Inventor: Eun Ju KIM
  • Patent number: 11725800
    Abstract: A lens including a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident, and a light exiting part through which the incident light is emitted to an outside of the lens, in which each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part, the light entering part includes a light incident vertical surface extending from a lower surface of the lens, and a light incident inclined surface extending upward from the light incident vertical surface, and the light incident vertical surface surrounds the light emitting device.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: August 15, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Ju Kim, Jae Eun Park
  • Publication number: 20230250936
    Abstract: A light diffusing lens having a pointing angle distribution focused toward a lateral direction. The light diffusing lens includes a light entrance part having a concave shape formed inward from a lower part of the optical diffusing lens, a reflection part having a shape which is concave inward from an upper portion of the light diffusing lens and a light exit portion defined by an outer surface of the light diffusing lens. The light entrance part has a first convex surface which is convex in an optical axial direction defined by a straight line passing through the center of the light diffusing lens as the straight line goes toward the inside of the light diffusing lens.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Jeong A. Han, Eun Ju KIM, Ki Bum NAM
  • Publication number: 20230204994
    Abstract: A liquid display device includes a cover bottom including a first cover portion of a first direction and a second cover portion of a second direction; a backlight over the cover bottom and including a light source, a diffusion plate, and an optical sheet; a support member maintaining a distance between the light source and the diffusion plate and including a first support portion and a second support portion; and a liquid crystal panel over the backlight and the support member, wherein the support member and the cover bottom are fastened to each other by a plurality of screws, and wherein the first cover portion includes a plurality of protrusions protruding outward from an outer surface of the second cover portion and corresponding to the plurality of screws, respectively.
    Type: Application
    Filed: October 19, 2022
    Publication date: June 29, 2023
    Inventors: Eun-Ju KIM, Woo-Yong NOH, Jong-Hong SHIN
  • Patent number: 11675229
    Abstract: A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: June 13, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju Kim
  • Patent number: 11655960
    Abstract: Disclosed is a light diffusing lens having a pointing angle distribution focused toward a lateral direction. The disclosed light diffusing lens includes a light entrance part having a concave shape formed inward from a lower part of the optical diffusing lens, a reflection part having a shape which is concave inward from an upper portion of the light diffusing lens and a light exit portion defined by an outer surface of the light diffusing lens, wherein the light entrance part has a first convex surface which is convex in an optical axial direction defined by a straight line passing through the center of the light diffusing lens as the straight line goes toward the inside of the light diffusing lens.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 23, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jeong A Han, Eun Ju Kim, Ki Bum Nam
  • Patent number: 11658165
    Abstract: A display device includes a thin film transistor substrate having a thin film transistor, a light emitting element including an ultra-small LED element on the thin film transistor substrate, a pixel electrode connected to one end of the thin film transistor and one end of the light emitting element, a common electrode on the thin film transistor substrate and connected to an other end of the light emitting element, a color conversion layer on the light emitting element and including a plurality of quantum dot materials, and an encapsulation layer on the color conversion layer.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: May 23, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Eun Ju Kim
  • Publication number: 20230129439
    Abstract: A display apparatus including a display panel, a light source configured to emit light, and a light guide disposed on the light source and covering a side of the light source, the light source including a substrate, a light emitter including a light emitting stacked layer and disposed on the substrate, a light blocking layer disposed on a side surface of the light emitting stacked layer, and a reflector disposed between the substrate and the light guide, in which the light emitter has a first length direction and a second length direction, wherein orientation angles of the light emitter in the first and second length directions are different from each other, the substrate includes a first pad electrode and second pad electrode electrically connected to the light emitter, and the first and second pad electrodes are spaced apart from each other by at least 50 µm.
    Type: Application
    Filed: December 23, 2022
    Publication date: April 27, 2023
    Inventors: Seung Ri CHOI, Eun Ju KIM, Hee Soo LIM
  • Patent number: 11621376
    Abstract: A display including a backlight unit including a circuit board, light emitting devices arranged on the circuit board, and a combined optical sheet disposed on the light emitting devices, and a display panel disposed on the backlight unit, in which each light emitting device includes a light emitting diode chip, a light transmitting resin covering an upper surface and a side surface of the light emitting diode chip, and a light blocking member covering an upper surface of the light transmitting resin, and the light emitting devices are mounted on the circuit board to be driven independently driven.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: April 4, 2023
    Inventor: Eun Ju Kim
  • Publication number: 20230022191
    Abstract: A display apparatus including a display panel, and a backlight to provide light toward the display panel, the backlight including a circuit board, an optical layer disposed on the circuit board, at least one light emitter disposed between the circuit board and the optical layer and including a light emitting structure disposed on the circuit board and having first and second conductivity type semiconductor layers and an active layer therebetween, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflector on the light emitting structure, a light transmitting layer disposed on the circuit board and contacting the light emitter, and a dam disposed on the circuit board and surrounding the light emitter and including a portion having a curved shape.
    Type: Application
    Filed: October 1, 2022
    Publication date: January 26, 2023
    Inventor: Eun Ju KIM
  • Publication number: 20220411287
    Abstract: Provided are a system for monitoring a hydroxyl radical scavenging index in water using a real-time multi-fluorescence analyzer and a parallel factor analysis apparatus and a method therefor, wherein the system monitors the hydroxyl radical scavenging index in water using the real-time multi-fluorescence analyzer and the parallel factor analysis apparatus, whereby it is possible to monitor the characteristics of an organic material in target water through a continuous flow analysis method without using an existing indicator material, rhodamine B.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 29, 2022
    Applicant: KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
    Inventors: Tae Mun HWANG, Sook Hyun NAM, Eun-Ju KIM, Jae-Wuk KOO
  • Patent number: 11536893
    Abstract: A display apparatus including a display panel, a light source unit configured to provide light to the display panel, and a light guide member disposed between the display panel and the light source unit and covering the light source unit such that the light source unit is buried in the light guide member, the light guide member having a surface roughness on an upper surface thereof to diffuse light and including a substrate, and a light emitting device disposed on the substrate and including a blocking pattern to have an intensity of light emitted in an upward direction to be equal to or less than about 80% of a maximum light intensity of the light emitting device.
    Type: Grant
    Filed: March 7, 2021
    Date of Patent: December 27, 2022
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Seung Ri Choi, Eun Ju Kim, Hee Soo Lim
  • Patent number: 11501712
    Abstract: There are provided a display device and a driving method of the display device. The display device includes a display panel including a plurality of pixels, and a controller configured to determine an off ratio corresponding to an initialization driving power voltage of the display panel, and configured to control emission of the plurality of pixels corresponding to the determined off ratio, wherein different initialization driving power voltages are determined based on luminances and chromaticities of a plurality of display panels.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Ju Kim, Ji Hyun Ka