Patents by Inventor ChungSeok Lee

ChungSeok 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: 11683963
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: June 20, 2023
    Inventors: Chungseok Lee, Donghee Park, Cheolgeun An, Jihoon Oh, Euiyun Jang, Jeongho Hwang
  • Publication number: 20220216451
    Abstract: An apparatus for manufacturing a display device, includes: a stage; a temperature controlling portion on the stage, and to receive a member seated on the temperature controlling portion; and a jig portion facing the temperature controlling portion, the jig portion to move linearly, and to receive an adhesive member. The jig portion includes: a first support plate; a second support plate facing the first support plate; and a pressurization plate on the first support plate and the second support plate, the pressurization plate to receive the adhesive member thereon. An end of the pressurization plate is spaced further from the member than an end of the first support plate and an end of the second support plate when the member is seated on the temperature controlling portion.
    Type: Application
    Filed: July 26, 2021
    Publication date: July 7, 2022
    Inventors: Soyeon JOO, Hanho PARK, Jeongeun PARK, Jeongmin BAN, Joongmok LEE, Chungseok LEE, Seoungbum PYOUN
  • Publication number: 20190148478
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: Chungseok LEE, Donghee PARK, Cheolgeun AN, Jihoon OH, Euiyun JANG, Jeongho HWANG
  • Patent number: 10217807
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: February 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chungseok Lee, Donghee Park, Cheolgeun An, Jihoon Oh, Euiyun Jang, Jeongho Hwang
  • Patent number: 10050227
    Abstract: A display apparatus includes a substrate, a display unit on a first surface of the substrate, and a protection film on a second surface, opposite the first surface, of the substrate. The protection film includes a first adhesive layer having a first surface that faces the second surface of the substrate; a protection film base having a first surface that faces a second surface, opposite the first surface, of the first adhesive layer; and a light blocking layer having a first surface that faces a second surface, opposite the first surface of the protection film base.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: August 14, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Donghee Park, Cheolgeun An, Jihoon Oh, Chungseok Lee, Euiyun Jang, Jeongho Hwang
  • Publication number: 20170352716
    Abstract: An anisotropic conductive film includes a conductive layer; a first resin insulating layer over a first surface of the conductive layer; and a second resin insulating layer over a second surface of the conductive layer, wherein the conductive layer comprises a plurality of conductive particles and a nano fiber connecting the plurality of conductive particles to each other, each of the plurality of conductive particles comprising a plurality of needle-shaped protrusions having a conical shape, and wherein the first resin insulating layer and the second resin insulating layer comprise a same material and have different thicknesses.
    Type: Application
    Filed: December 16, 2016
    Publication date: December 7, 2017
    Inventors: Chungseok LEE, Donghee PARK, Cheolgeun AN, Jihoon OH, Euiyun JANG, Jeongho HWANG
  • Publication number: 20170294620
    Abstract: A display apparatus includes a substrate, a display unit on a first surface of the substrate, and a protection film on a second surface, opposite the first surface, of the substrate. The protection film includes a first adhesive layer having a first surface that faces the second surface of the substrate; a protection film base having a first surface that faces a second surface, opposite the first surface, of the first adhesive layer; and a light blocking layer having a first surface that faces a second surface, opposite the first surface of the protection film base.
    Type: Application
    Filed: January 19, 2017
    Publication date: October 12, 2017
    Inventors: Donghee PARK, Cheolgeun AN, Jihoon OH, Chungseok LEE, Euiyun JANG, Jeongho HWANG
  • Patent number: 9660216
    Abstract: A light-transmissive adhesive film includes an adhesive layer in which an elastic modulus in a second area is higher than that in a first area, and also includes release layers on upper and lower portions of the adhesive layer.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taeho Lee, Chanjae Park, Chungseok Lee
  • Publication number: 20160111678
    Abstract: A light-transmissive adhesive film includes an adhesive layer in which an elastic modulus in a second area is higher than that in a first area, and also includes release layers on upper and lower portions of the adhesive layer.
    Type: Application
    Filed: May 4, 2015
    Publication date: April 21, 2016
    Inventors: Taeho Lee, Chanjae Park, Chungseok Lee
  • Publication number: 20130313759
    Abstract: A manufacturing method of a retaining wall of a light emitting diode includes the steps of: providing a ceramic substrate; providing a soft mold having a plurality of molding concaves; forming plurality of electrode groups on the ceramic substrate; filling the ceramic slurry into the corresponding molding concaves; pressing the soft mold on the ceramic substrate; forming a plurality of retaining walls by curing the ceramic slurry using UV curing porcess and connecting the retaining walls on the ceramic substrate by pressing the soft mold; and separating the soft mold from the ceramic substrate. Compared with the traditional technology, the manufacturing method of the present invention is quite simple and can greatly reduce the process steps of screen printing for improving the production efficiency.
    Type: Application
    Filed: May 24, 2013
    Publication date: November 28, 2013
    Applicants: AAC TECHNOLOGIES HOLDINGS INC., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    Inventors: ChungSeok Lee, DongMyung Kim, Gil Mo Nam, YoungKi Kim, JongSoo Ha
  • Publication number: 20130316476
    Abstract: A method for manufacturing a retaining wall of an LED is disclosed. The method includes the steps of: providing a substrate and applying a photosensitive layer on the substrate; exposing the photosensitive layer for forming a pattern of the retaining wall of the LED; removing the exposed photosensitive layer by etching process for forming a recess with a shape corresponding to the pattern of the retaining wall; filling the recess with ceramic slurry by screen printing process; drying the left photosensitive layer and the ceramic slurry for hardening the ceramic slurry, and then removing the left photosensitive layer; and sintering the ceramic slurry for forming the ceramic retaining wall.
    Type: Application
    Filed: May 24, 2013
    Publication date: November 28, 2013
    Applicant: AAC TECHNOLOGIES PTE. LTD
    Inventors: Gil Mo Nam, DongMyung Kim, ChungSeok Lee, YoungKi Kim, JongSoo Ha
  • Publication number: 20130316074
    Abstract: A manufacturing method of a retaining wall of an LED, the method includes the steps of: step A, providing a ceramic substrate; providing a printing screen; providing ceramic slurry including thermal curing agent; step B, forming multiple pairs of electrodes on the ceramic substrate; depositing the ceramic slurry on the ceramic substrate by the printing screen for forming a first ceramic layer around each pair of electrodes; step C, drying the first ceramic layer for twenty to thirty minutes under a temperature between 100 to 150 centigrade for hardening the first ceramic layer; step D, depositing the ceramic slurry on the first ceramic layer for forming a second ceramic layer by the printing screen, and then hardening the second ceramic layer; step E, repeating step D for forming a third ceramic layer for forming the retaining wall.
    Type: Application
    Filed: May 24, 2013
    Publication date: November 28, 2013
    Applicants: AAC TECHNOLOGIES HOLDINGS INC., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
    Inventors: YoungKi Kim, DongMyung Kim, ChungSeok Lee, Gil Mo Nam, JongSoo Ha
  • Publication number: 20120320260
    Abstract: An image sensor includes a ceramic base with a cavity therein, the ceramic base including a sidewall forming a conductive layer embedded therein. A protrusion extends from the sidewall toward the center of the cavity. An infrared filter is mounted on the upper surface of the protrusion with a most upper surface of the infrared filter not higher than the upper surface of the ceramic base; and an image unit is mounted in a recess of a bottom plate assembled with a lower surface of the ceramic base.
    Type: Application
    Filed: June 16, 2012
    Publication date: December 20, 2012
    Applicants: AMERICAN AUDIO COMPONENTS INC., AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD.
    Inventors: Jongsoo Ha, ChungSeok Lee