Patents by Inventor Hyeon-Deuk HWANG

Hyeon-Deuk HWANG 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: 9985208
    Abstract: A method for manufacturing a display device, includes preparing a display panel including a base substrate, an encapsulation layer facing the base substrate, and an organic light emitting device formed between one surface of the base substrate and the encapsulation layer, attaching a support layer to the other surface of the base substrate through an adhesive layer, curing the adhesive layer through irradiation of UV light, and mounting a driving chip on one surface of the display panel. The adhesive layer includes an acryl-based compound, a UV curable compound, and a photoinitiator.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: May 29, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon Deuk Hwang, Su Kyoung Kim, So Yeon Joo
  • Patent number: 9862173
    Abstract: A method for fabricating window member may include preparing a transparent polymer film, disposing a light curable adhesive layer on a surface of the transparent polymer film, disposing a transparent substrate on the light curable adhesive layer, the transparent substrate including a transmitting region and a non-transmitting region, and curing the light curable adhesive layer by light irradiation. The light curable adhesive layer may include a transparent adhesive. A storage modulus of the transparent adhesive may be greater than or equal to about 103 Pa to less than about 106 Pa at room temperature before curing, and greater than or equal to about 106 Pa at room temperature after curing.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: January 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeon-Deuk Hwang, Jong-Whan Cho, Jong-Deok Park
  • Patent number: 9774714
    Abstract: A method for fabricating a window member is provided. A transparent substrate including a transmitting region and a non-transmitting region may be prepared. A light curable adhesive layer may be disposed on the transparent substrate. A plurality of micro patterns may be disposed on the transparent substrate or the light curable adhesive layer in the non-transmitting region. The light curable adhesive layer may be cured by light irradiation. The light curable adhesive layer may include a transparent adhesive. A storage modulus of the transparent adhesive may be greater than or equal to about 103 Pa and less than about 106 Pa at room temperature before curing, and greater than or equal to about 106 Pa at room temperature after curing.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: September 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Whan Cho, Hyeon-Deuk Hwang, Jong-Deok Park
  • Patent number: 9482885
    Abstract: A display device, including a display panel displaying an image; a cover receiving the display panel therein; and a protective layer between the display panel and the cover and including a chromic material.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: November 1, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: So Yeon Joo, Su Kyoung Kim, Hyeon Deuk Hwang
  • Patent number: 9453149
    Abstract: An adhesive includes an acrylic copolymer synthesized from a composition including a solution polymerizable acryl-based monomer, a vinyl-based monomer that is copolymerizable with the solution polymerizable acryl-based monomer, a ?-carboxylethyl acrylate monomer, and a reaction initiator, and a compound including at least three epoxy functional groups.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: September 27, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon-Deuk Hwang, Dong-Hyuk Lim, Myung-Jae Jung
  • Publication number: 20160197300
    Abstract: A method for manufacturing a display device, includes preparing a display panel including a base substrate, an encapsulation layer facing the base substrate, and an organic light emitting device formed between one surface of the base substrate and the encapsulation layer, attaching a support layer to the other surface of the base substrate through an adhesive layer, curing the adhesive layer through irradiation of UV light, and mounting a driving chip on one surface of the display panel. The adhesive layer includes an acryl-based compound, a UV curable compound, and a photoinitiator.
    Type: Application
    Filed: June 1, 2015
    Publication date: July 7, 2016
    Inventors: Hyeon Deuk HWANG, Su Kyoung Kim, So Yeon Joo
  • Publication number: 20160161770
    Abstract: A display device, including a display panel displaying an image; a cover receiving the display panel therein; and a protective layer between the display panel and the cover and including a chromic material.
    Type: Application
    Filed: April 9, 2015
    Publication date: June 9, 2016
    Inventors: So Yeon JOO, Su Kyoung KIM, Hyeon Deuk HWANG
  • Patent number: 9316850
    Abstract: A reworking apparatus for a display module includes a chamber and a temperature control unit. The temperature control unit controls a temperature in the chamber to reduce an adhesive property of an adhesive material of the display module. The adhesive material couples a first layer of the display module to a second layer of the display module. A stage is disposed in the chamber and holds the display module. A separation unit is disposed in the chamber and is inserted in between first and second layers of the display module. A movement unit moves the separation unit.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Hwan Cho, Hyeon Deuk Hwang
  • Publication number: 20160050770
    Abstract: A method of fabricating a display device includes placing a first anisotropic conductive film on a display panel; aligning a first electronic device on the first anisotropic conductive film; performing a pre-compression process on the first electronic device using a first pressure unit; placing a second anisotropic conductive film on the display panel; aligning a second electronic device on the second anisotropic conductive film; performing a pre-compression process on the second electronic device using a second pressure unit separated from the first pressure unit; and simultaneously performing a first main compression process on the first electronic device at a first temperature using the first pressure unit and a second main compression process on the second electronic device at a second temperature different from the first temperature using the second pressure unit. The second thermal compression process is performed by maintaining the second temperature using a first temperature control unit.
    Type: Application
    Filed: February 2, 2015
    Publication date: February 18, 2016
    Inventors: Hyeon Deuk HWANG, Chul Ho JUNG
  • Publication number: 20160009956
    Abstract: An adhesive film for a display device may include an upper release film, a lower release film facing the upper release film, and a photocurable adhesive interposed between the upper and lower release films. The photocurable adhesive may include a first area having a predetermined shape and a second area having a different storage modulus from the first area.
    Type: Application
    Filed: December 16, 2014
    Publication date: January 14, 2016
    Inventor: Hyeon Deuk Hwang
  • Publication number: 20150285975
    Abstract: A window member for a display device includes a base substrate having a light transmission area and a light blocking area adjacent to the light transmission area. A light blocking layer is disposed on one surface of the base substrate in the light blocking area. The light blocking layer includes a light blocking base capable of blocking light; and a heat radiating pigment dispersed on the light blocking base.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 8, 2015
    Inventors: Hyeon-Deuk HWANG, Ik-Jun HONG
  • Publication number: 20150202848
    Abstract: A display device includes a display panel displaying an image and a window member including a base member including a display region through which the image is transmitted and a non-display region through which the image is not transmitted and a decorative layer which is disposed in correspondence to the non-display region and includes a base material and microcapsules dispersed in the base material and having respective predetermined colors.
    Type: Application
    Filed: January 21, 2015
    Publication date: July 23, 2015
    Inventors: Jong Hwan CHO, Hyeon Deuk HWANG, Jongdeok PARK
  • Publication number: 20150202853
    Abstract: A method for fabricating window member may include preparing a transparent polymer film, disposing a light curable adhesive layer on a surface of the transparent polymer film, disposing a transparent substrate on the light curable adhesive layer, the transparent substrate including a transmitting region and a non-transmitting region, and curing the light curable adhesive layer by light irradiation. The light curable adhesive layer may include a transparent adhesive. A storage modulus of the transparent adhesive may be greater than or equal to about 103 Pa to less than about 106 Pa at room temperature before curing, and greater than or equal to about 106 Pa at room temperature after curing.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 23, 2015
    Inventors: Hyeon-Deuk HWANG, Jong-Whan CHO, Jong-Deok PARK
  • Publication number: 20150208537
    Abstract: A method for fabricating a window member is provided. A transparent substrate including a transmitting region and a non-transmitting region may be prepared. A light curable adhesive layer may be disposed on the transparent substrate. A plurality of micro patterns may be disposed on the transparent substrate or the light curable adhesive layer in the non-transmitting region. The light curable adhesive layer may be cured by light irradiation. The light curable adhesive layer may include a transparent adhesive. A storage modulus of the transparent adhesive may be greater than or equal to about 103 Pa and less than about 106 Pa at room temperature before curing, and greater than or equal to about 106 Pa at room temperature after curing.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 23, 2015
    Inventors: Jong-Whan CHO, Hyeon-Deuk HWANG, Jong-Deok PARK
  • Publication number: 20150053943
    Abstract: An organic light emitting diode device includes a display panel; a polarizing plate on the display panel; a first pressure adhesive layer between the display panel and the polarizing plate; a touch panel on the polarizing plate; a second pressure adhesive layer between the polarizing plate and the touch panel; a window on the touch panel; and a third pressure adhesive layer between the touch panel and the window.
    Type: Application
    Filed: June 2, 2014
    Publication date: February 26, 2015
    Applicant: Samsung Display Co., Ltd
    Inventors: Jong-Hwan CHO, Hyeon-Deuk HWANG
  • Publication number: 20150024651
    Abstract: A reworking apparatus for a display module includes a chamber and a temperature control unit. The temperature control unit controls a temperature in the chamber to reduce an adhesive property of an adhesive material of the display module. The adhesive material couples a first layer of the display module to a second layer of the display module. A stage is disposed in the chamber and holds the display module. A separation unit is disposed in the chamber and is inserted in between first and second layers of the display module. A movement unit moves the separation unit.
    Type: Application
    Filed: January 20, 2014
    Publication date: January 22, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: JONG HWAN CHO, HYEON DEUK HWANG
  • Publication number: 20150010766
    Abstract: Disclosed is a method of manufacturing an adhesive film including: preparing a transparent adhesion layer, disposing a film mask including a light-transmitting region and a light-shielding region on the transparent adhesion layer, applying ultraviolet (UV) light to the transparent adhesion layer through the film mask to precure an area of the transparent adhesion layer corresponding to the light-transmitting region of the film mask, and cutting the precured area of the transparent adhesion layer.
    Type: Application
    Filed: December 31, 2013
    Publication date: January 8, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon-Deuk HWANG, Dong-Hyuk LIM, Myung-Jae JUNG
  • Publication number: 20140017451
    Abstract: An adhesive includes an acrylic copolymer synthesized from a composition including a solution polymerizable acryl-based monomer, a vinyl-based monomer that is copolymerizable with the solution polymerizable acryl-based monomer, a ?-carboxylethyl acrylate monomer, and a reaction initiator, and a compound including at least three epoxy functional groups.
    Type: Application
    Filed: January 14, 2013
    Publication date: January 16, 2014
    Inventors: Hyeon-Deuk HWANG, Dong-Hyuk LIM, Myung-Jae JUNG