Patents by Inventor Sang-Duk Lee

Sang-Duk 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: 20220392979
    Abstract: A display device comprises a display panel including a display area including pixels, and a pad area adjacent to the display area, and a driving integrated circuit mounted on the pad area, wherein the pad area includes a stud pad area located at an edge of the pad area and including at least one stud pad electrode, the driving integrated circuit includes a circuit base, and at least one stud bump area overlapping the stud pad area in a thickness direction of the display device and including at least one stud bump, and the at least one stud pad electrode overlaps an edge portion of the at least one stud bump.
    Type: Application
    Filed: May 3, 2022
    Publication date: December 8, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Duk LEE, Hyun A LEE, Mi Sun KIM, Sun Ok OH, Ki Kyung YOUK
  • Patent number: 11495713
    Abstract: A pixel includes a first electrode and a second electrode spaced from each other in a first direction on a substrate; a plurality of light emitting elements between the first electrode and the second electrode; an intermediate pattern located between the first electrode and the second electrode in the first direction and located between the substrate and the plurality of light emitting elements in a thickness direction of the substrate; a first contact electrode electrically connecting one end portion of each of the light emitting elements and the first electrode; and a second contact electrode electrically connecting an other end portion of each of the light emitting elements and the second electrode.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: November 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chan Jae Park, Haeng Won Park, Sang Duk Lee
  • Publication number: 20220278088
    Abstract: A display panel comprising a display substrate having a display area and a pad area disposed around the display area. A connection wire is disposed on the pad area of the display substrate. A signal wire is disposed on the connection wire. A supporter is disposed between the display substrate and the connection wire. The connection wire directly contacts the supporter.
    Type: Application
    Filed: June 26, 2020
    Publication date: September 1, 2022
    Inventors: Chan Jae PARK, Sang Duk LEE, Hyun A LEE, Dae Hwan JANG
  • Publication number: 20220208941
    Abstract: A display device includes a display panel including a plurality of pad electrodes, a driving member attached to the display panel and including a plurality of bumps facing the plurality of pad electrodes, respectively, a plurality of conductive particles interposed between the display panel and the driving member, and a plurality of alignment electrodes separated from the plurality of pad electrodes and the plurality of bumps, where an opening is defined in at least one of a pad electrode of the plurality of pad electrodes and a bump of the plurality of bumps includes an opening, and an alignment electrode of the plurality of alignment electrodes is disposed in the opening.
    Type: Application
    Filed: December 30, 2021
    Publication date: June 30, 2022
    Inventors: Sang Duk LEE, Mi Sun KIM, Min Soo KIM, Yoon A. KIM, Chan Jae PARK, Sun Ok OH, Ki Kyung YOUK, Hyun A. LEE, Chel Gou LIM, Soo Yeon HAN
  • Publication number: 20220208940
    Abstract: A display device includes a substrate including an active area having pixels and a non-active area including a pad region. A pad electrode is disposed in the pad region and includes a first pad electrode and a second pad electrode disposed on the first pad electrode. A first insulating pattern is interposed between the first and second pad electrodes. In a plan view, the first insulating pattern is positioned inside the first pad electrode, and a portion of the second pad electrode overlapping the first insulating pattern protrudes further from the substrate in a thickness direction than a portion of the second pad electrode not overlapping the first insulating pattern. The second pad electrode directly contacts a portion of the upper surface of the first pad electrode. In a plan view, an area of the second pad electrode is greater than an area of the first pad electrode.
    Type: Application
    Filed: December 29, 2021
    Publication date: June 30, 2022
    Inventors: Ki Kyung YOUK, Chan Jae PARK, Min Soo KIM, Yoon A KIM, Sang Duk LEE, Chel Gou LIM
  • Publication number: 20220028962
    Abstract: A display device includes: a first conductive layer including a signal line, which includes a pad contact part and a line part having a smaller width than the pad contact part along a first direction and extending from the pad contact part in a second direction that intersects the first direction, and a first non-contact pattern, which is spaced apart from the pad contact part, on a first side along the first direction; an insulating layer on the first conductive layer and including a contact hole that partially exposes the first conductive layer; and a second conductive layer on the insulating layer and including a first pad electrode, which is electrically connected to the first conductive layer through the contact hole, wherein the first pad electrode overlaps with the pad contact part and the first non-contact pattern.
    Type: Application
    Filed: July 7, 2021
    Publication date: January 27, 2022
    Inventors: Chan Jae PARK, Sang Duk LEE, Sun Ok OH, Ki Kyung YOUK, Hyun A LEE, Soo Yeon HAN
  • Publication number: 20210357060
    Abstract: A display device includes: a display region; a non-display region surrounding the display region; a first substrate; a second substrate on the first substrate, and including a first surface facing the first substrate, and a second surface opposite to the first surface; a touch electrode on the second surface of the second substrate at the display region; a touch pad terminal on the second surface of the second substrate at the non-display region, and electrically connected to the touch electrode; and a sealing member interposed between the first substrate and the second substrate, and connecting the first substrate and the second substrate to each other. The sealing member is at the non-display region, and the touch pad terminal is located more inward than the sealing member.
    Type: Application
    Filed: July 8, 2019
    Publication date: November 18, 2021
    Inventors: Byoung Yong KIM, Seung Yong SONG, Seung Soo RYU, Dae Geun LEE, Sang Duk LEE
  • Publication number: 20210336088
    Abstract: A pixel includes a first electrode and a second electrode spaced from each other in a first direction on a substrate; a plurality of light emitting elements between the first electrode and the second electrode; an intermediate pattern located between the first electrode and the second electrode in the first direction and located between the substrate and the plurality of light emitting elements in a thickness direction of the substrate; a first contact electrode electrically connecting one end portion of each of the light emitting elements and the first electrode; and a second contact electrode electrically connecting an other end portion of each of the light emitting elements and the second electrode.
    Type: Application
    Filed: December 15, 2020
    Publication date: October 28, 2021
    Inventors: Chan Jae Park, Haeng Won Park, Sang Duk Lee
  • Publication number: 20210200006
    Abstract: A display device according to an embodiment includes a first substrate including a connection line; a second substrate facing the first substrate; and a connection pad connected to a side of surface of the first substrate and a side surface of the second substrate, wherein the connection pad includes a first portion contacting the side of the first substrate and the side surface of the second substrate, and a second portion that is disposed in each of the first substrate and the second substrate and contacting the connection wiring.
    Type: Application
    Filed: February 8, 2019
    Publication date: July 1, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Soo RYU, Byoung Yong KIM, Sang Duk LEE
  • Publication number: 20190203019
    Abstract: Disclosed herein are a composition for an environment-friendly synthetic board including coffee sludge, which is used to manufacture an environment-friendly synthetic board, such as flooring, a molded synthetic board for architecture, or the like, by using coffee sludge that is left as residual waste after the sale of coffee in a specialty coffee shop, or the like, and a method of manufacturing an environment-friendly synthetic board by using the composition. The composition is formed by adding, per 100 parts by weight of coffee sludge powder, 12.5 to 15 parts by weight of synthetic resin, 4 to 8 parts by weight of calcium carbonate, 15 to 20 parts by weight of talc, and 1 to 4 parts by weight of plasticizer, and then mixing them.
    Type: Application
    Filed: October 26, 2018
    Publication date: July 4, 2019
    Inventors: Sang Duk LEE, Yong Chun LEE
  • Patent number: 9618674
    Abstract: A light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: April 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung Joo Kim, Dong Yeon Kang, Rae Young Kim, Min Young Song, Sung Kyu Shim, Sang Duk Lee
  • Publication number: 20150092440
    Abstract: A Light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.
    Type: Application
    Filed: January 27, 2014
    Publication date: April 2, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoung Joo KIM, Dong Yeon KANG, Rae Young KIM, Min Young SONG, Sung Kyu SHIM, Sang Duk LEE
  • Patent number: 8665393
    Abstract: A flat panel display apparatus comprises a flat panel display module; a control PCB placed in one rear edge area of the flat panel display module and having a conductive grounding part; and a grounding contact member including a rear contact part contacting the grounding part of the control PCB, and a side contact part bent from the rear contact part and contacting one edge of the flat panel display module, and grounding the control PCB. With this configuration, the present invention provides a flat panel display apparatus in which a control PCB having the length shorter than the width of a flat panel display module is easily grounded and the production cost thereof is decreased.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: March 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Duk Lee
  • Patent number: 8400605
    Abstract: A liquid crystal display includes a liquid crystal panel including short sides and long sides, a plurality of gate lines disposed on the liquid crystal panel and extending substantially in parallel with the short sides of the liquid crystal panel, a plurality of data lines insulated from the gate lines, intersecting the gate lines and extending substantially in parallel with the long sides of the liquid crystal panel, a printed circuit board disposed near one of the short sides of the liquid crystal panel and providing an image signal to the liquid crystal panel, a light guide plate overlapping the liquid crystal panel, a light source module providing light to the light guide plate and a circuit board on which the light source module is mounted.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: March 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Duk Lee
  • Patent number: 8264654
    Abstract: A liquid crystal display includes a liquid crystal panel including short sides and long sides, a gate wire extending substantially parallel with the short sides of the liquid crystal panel, a data wire extending substantially parallel with the long sides of the liquid crystal panel and insulated from the gate wire with crossing the gate wire, a first printed circuit board disposed adjacent to a long side of the liquid crystal panel facing a same direction as the liquid crystal panel is and supplying an image signal to the liquid crystal panel, a circuit film electrically connecting the data wire and the first printed circuit board with each other to carry the image signal.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: September 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sang-Duk Lee
  • Patent number: 8248557
    Abstract: A display apparatus with a light-weight power providing unit that can be easily incorporated within an acceptable fastening-error range is disclosed. The display apparatus includes a display panel that displays an image, a backlight assembly that provides the display panel with light, a rear cover that is coupled to the backlight assembly and has a guide unit formed thereon, wherein the guide unit protrudes from a bottom surface of the rear cover by a predetermined height, and a top-receiving container that has an inner space to receive the display panel and the backlight assembly and that is combined with the rear cover. There is also a power providing unit that provides the backlight assembly with driving power. The power providing unit is coupled to the rear cover at a position guided by the guide unit.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: August 21, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-yeon Won, Sang-duk Lee
  • Patent number: 8208090
    Abstract: A liquid crystal display device and a method of assembling the same are provided. The liquid crystal display device includes a light guide film guiding light, a light source disposed on at least one side of the light guide film, a bottom receiving container including a bottom plate to receive the light source and the light guide film, bottom receiving container sidewalls formed along the boundary of the bottom plate to define a receiving space together with the bottom plate, and an intermediate receiving container including an intermediate receiving container frame formed along the bottom receiving container sidewalls and positioned within the receiving space, and intermediate receiving container fitting portions extending from the intermediate receiving container frame toward the outside of the receiving space and fittingly coupled to the bottom receiving container.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: June 26, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sang-Duk Lee
  • Publication number: 20120105757
    Abstract: A liquid crystal display includes a liquid crystal panel including short sides and long sides, a plurality of gate lines disposed on the liquid crystal panel and extending substantially in parallel with the short sides of the liquid crystal panel, a plurality of data lines insulated from the gate lines, intersecting the gate lines and extending substantially in parallel with the long sides of the liquid crystal panel, a printed circuit board disposed near one of the short sides of the liquid crystal panel and providing an image signal to the liquid crystal panel, a light guide plate overlapping the liquid crystal panel, a light source module providing light to the light guide plate and a circuit board on which the light source module is mounted.
    Type: Application
    Filed: January 11, 2012
    Publication date: May 3, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-Duk LEE
  • Patent number: 8115897
    Abstract: A liquid crystal display includes a liquid crystal panel including short sides and long sides, a plurality of gate lines disposed on the liquid crystal panel and extending substantially in parallel with the short sides of the liquid crystal panel, a plurality of data lines insulated from the gate lines, intersecting the gate lines and extending substantially in parallel with the long sides of the liquid crystal panel, a printed circuit board disposed near one of the short sides of the liquid crystal panel and providing an image signal to the liquid crystal panel, a light guide plate overlapping the liquid crystal panel, a light source module providing light to the light guide plate and a circuit board on which the light source module is mounted.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: February 14, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sang-Duk Lee
  • Publication number: 20110304795
    Abstract: A backlight assembly includes: a light guide plate (“LGP”); and a light source module which emits white light to a side surface of the LGP, where the light source module includes: a plurality of point light sources which emits the white light; a printed circuit board (“PCB”) including a mounting portion, on which the plurality of point light sources are disposed; and a light source housing portion including a base portion which supports the PCB, an extension portion which extends from a surface of the base portion in a direction perpendicular to the surface of the base portion and is disposed along the mounting portion, and a main stopper disposed adjacent to an end of the PCB, where the main stopper prevents the movement of the PCB within the light source module.
    Type: Application
    Filed: June 9, 2011
    Publication date: December 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Duk LEE, So-Jeong NA