Patents by Inventor Tae-Woong Kim

Tae-Woong 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: 20160211210
    Abstract: A flexible display and method of manufacturing the same are disclosed. In one aspect, the display includes a flexible substrate having a bending area and a non-bending area and a plurality of metal wirings formed over the flexible substrate in the bending area and the non-bending area. Each of the metal wirings which are formed in the bending area includes a pair of first hard wirings formed over the flexible substrate and a first soft wiring electrically connected to ends of the pair of first hard wirings.
    Type: Application
    Filed: December 7, 2015
    Publication date: July 21, 2016
    Inventors: Tae An SEO, Tae Woong KIM, Seong Min WANG, Jin Hwan CHOI
  • Patent number: 9377371
    Abstract: A flexible display device including a flexible display panel which displays an image, a strain gauge disposed in the flexible display panel, where the strain gauge senses a strain in the flexible display panel and generates a detection signal based on the sensed strain, a strain controller which receives the detection signal and outputs a strain compensation voltage based on the detection signal, and a strain compensation layer disposed on a surface of the flexible display panel and which receives the strain compensation voltage, where a thickness of the strain compensation layer may be controlled based on the strain compensation voltage such that a neutral plane of the flexible display device is maintained in a predetermined reference area in the flexible display panel.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Thanh Tien Nguyen, Min-Sung Kim, Tae Woong Kim, Ki Hyun Kim, Jin Hwan Choi
  • Publication number: 20160181292
    Abstract: Provided are a thin-film transistor (TFT), a method of manufacturing the same, and a method of manufacturing a backplane for a flat panel display (FPD). The method of manufacturing the TFT according to an embodiment of the present invention includes forming a gate electrode on a substrate; forming an insulating layer on the substrate to cover the gate electrode; performing a plasma treatment on an upper surface of the insulating layer using a halogen gas; forming an oxide semiconductor layer on the insulating layer and positioned to correspond to the gate electrode; and forming source and drain electrodes on the insulating layer to contact and over portions of the oxide semiconductor layer.
    Type: Application
    Filed: March 2, 2016
    Publication date: June 23, 2016
    Inventors: Young-Gug SEOL, Tae-Woong KIM, Jin JANG, Christophe AVIS
  • Patent number: 9312395
    Abstract: Provided are a thin-film transistor (TFT), a method of manufacturing the same, and a method of manufacturing a backplane for a flat panel display (FPD). The method of manufacturing the TFT according to an embodiment of the present invention includes forming a gate electrode on a substrate; forming an insulating layer on the substrate to cover the gate electrode; performing a plasma treatment on an upper surface of the insulating layer using a halogen gas; forming an oxide semiconductor layer on the insulating layer and positioned to correspond to the gate electrode; and forming source and drain electrodes on the insulating layer to contact and over portions of the oxide semiconductor layer.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: April 12, 2016
    Assignees: Samsung Display Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Young-Gug Seol, Tae-Woong Kim, Jin Jang, Christophe Avis
  • Publication number: 20150367552
    Abstract: In the case of the heating device and a packing band manufacturing apparatus including the same, since it is possible to heat, cool, and heat a band stock without cooling the inside of the housing in one heating device, it is unnecessary to provide a plurality of heating devices to reheat the band stock and it is possible to omit a pressing device for catching the band stock in order not to allow the band stock between the heating devices to droop, thereby simplifying equipment.
    Type: Application
    Filed: June 18, 2015
    Publication date: December 24, 2015
    Inventors: Jong Woong KIM, Tae Woong KIM
  • Patent number: 9171913
    Abstract: Disclosed is a thin film transistor that includes a gate electrode, a semiconductor overlapping with the gate electrode, a source electrode that is electrically connected to the semiconductor, a drain electrode that is electrically connected to the semiconductor and faces the source electrode, and a stacked gate insulating layer that is positioned between the gate electrode and semiconductor. The stacked gate insulating layer includes an aluminum oxide layer. A method of manufacturing the same and a display device including the thin film transistor are also disclosed.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: October 27, 2015
    Assignees: Samsung Display Co., Ltd., INDUSTRY ACADEMY COOPERATION FOUNDATION OF KYUNGHEE UNIVERSITY
    Inventors: Tae-Woong Kim, Jin Jang, Christophe Vincent Avis, Youn-Goo Kim
  • Publication number: 20150268914
    Abstract: A display device includes a first display, an accommodation unit on a side of the first display, and a second display. The second display is rollably accommodated in the accommodation unit in a rolled state.
    Type: Application
    Filed: September 4, 2014
    Publication date: September 24, 2015
    Inventors: Tae-Woong KIM, Young-Gug SEOL, Ki-Yong LEE, Sang-Wol LEE
  • Patent number: 9142722
    Abstract: There is provided a light emitting device including a plurality of nanoscale light emitting structures spaced apart from one another on a first conductivity-type semiconductor base layer, the plurality of nanoscale light emitting structures each including a first conductivity-type semiconductor core, an active layer and a second conductivity-type semiconductor layer, and an electrode connected to the second conductivity-type semiconductor layer. The electrode is disposed between a first nanoscale light emitting structure and a second nanoscale light emitting structure among the plurality of nanoscale light emitting structures, and the electrode has a height lower than a height of the plurality of nanoscale light emitting structures.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Woong Kim, Kyung Wook Hwang
  • Publication number: 20150192481
    Abstract: A flexible display device including a flexible display panel which displays an image, a strain gauge disposed in the flexible display panel, where the strain gauge senses a strain in the flexible display panel and generates a detection signal based on the sensed strain, a strain controller which receives the detection signal and outputs a strain compensation voltage based on the detection signal, and a strain compensation layer disposed on a surface of the flexible display panel and which receives the strain compensation voltage, where a thickness of the strain compensation layer may be controlled based on the strain compensation voltage such that a neutral plane of the flexible display device is maintained in a predetermined reference area in the flexible display panel.
    Type: Application
    Filed: August 21, 2014
    Publication date: July 9, 2015
    Inventors: Thanh Tien NGUYEN, Min-Sung KIM, Tae Woong KIM, Ki Hyun KIM, Jin Hwan CHOI
  • Publication number: 20150179722
    Abstract: An organic light emitting display device includes: a curved organic light emitting display panel. The organic light emitting display panel includes a flexible substrate, a thin film transistor layer including a semiconductor layer, and an organic light emission layer including an organic light emitting material. In the curved organic light emitting display panel, the thin film transistor layer receives a compressive stress, or a neutral plane in which the compressive stress and a tensile stress maintain equilibrium is defined in the thin film transistor layer.
    Type: Application
    Filed: October 16, 2014
    Publication date: June 25, 2015
    Inventors: Hyun Woo KOO, Tae Woong KIM, Young Gug SEOL
  • Publication number: 20150084003
    Abstract: An organic light emitting diode (OLED) display, including a flexible substrate bent in a first direction, an OLED arranged on the flexible substrate, a first thin film transistor connected to the OLED and including a first channel area extending in a second direction crossing the first direction, and one or more additional thin film transistors connected to the first thin film transistor and including corresponding additional channel areas extending in the second direction.
    Type: Application
    Filed: September 20, 2013
    Publication date: March 26, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Tae-Woong KIM, Hyun-Woo KOO, Young-Gug SEOL, Young-Ki HONG, Won-Kyu KWAK, Yang-Wan KIM, Han-Sung BAE
  • Publication number: 20150072454
    Abstract: A method of manufacturing a display panel is provided. A release layer is formed on a support substrate. A thin film substrate is formed on the release layer and the support substrate. A pixel and an encapsulation member are formed on a part of the thin film substrate. The part of the thin film substrate is overlapped with the release layer. The part of the thin film substrate is separated from the support substrate. The release layer includes siloxane and polyimide silane.
    Type: Application
    Filed: June 5, 2014
    Publication date: March 12, 2015
    Inventors: Tae Woong KIM, Hyung Sik KIM, Hyun Woo KOO, Woo Jeong JANG, Ki-Yong LEE
  • Publication number: 20150047468
    Abstract: A method of manufacturing silver nanowires includes: forming a first solution including a dispersion stabilizer and a polyol; forming a second solution including a dispersion stabilizer, a silver precursor, a halogen-ion donor, deionized water, and the polyol; forming a third solution by adding the second solution to the first solution; heating the third solution from a first temperature to a second temperature; and forming silver nanowires by maintaining the third solution at the second temperature.
    Type: Application
    Filed: March 4, 2014
    Publication date: February 19, 2015
    Applicants: Korea Advanced Institute of Science and Technology, Samsung Display Co., Ltd.
    Inventors: Hyun-Woo KOO, Tae-Woong KIM, Jung-Yong LEE, Jaemin LEE, Seonju JEONG
  • Publication number: 20150041769
    Abstract: A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction.
    Type: Application
    Filed: January 17, 2014
    Publication date: February 12, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Tae Woong Kim, Hyun Woo Koo, Young Gug Seol
  • Publication number: 20150028331
    Abstract: Provided are a thin-film transistor (TFT), a method of manufacturing the same, and a method of manufacturing a backplane for a flat panel display (FPD). The method of manufacturing the TFT according to an embodiment of the present invention includes forming a gate electrode on a substrate; forming an insulating layer on the substrate to cover the gate electrode; performing a plasma treatment on an upper surface of the insulating layer using a halogen gas; forming an oxide semiconductor layer on the insulating layer and positioned to correspond to the gate electrode; and forming source and drain electrodes on the insulating layer to contact and over portions of the oxide semiconductor layer.
    Type: Application
    Filed: July 23, 2014
    Publication date: January 29, 2015
    Inventors: Young-Gug Seol, Tae-Woong KIM, Jin Jang, Christophe Avis
  • Publication number: 20150014678
    Abstract: A method of manufacturing a semiconductor device, the method includes: providing a gate electrode on a substrate; providing a first interlayer insulating layer to cover the gate electrode on the substrate; providing an oxide semiconductor layer corresponding to the gate electrode on the first interlayer insulating layer; providing a source electrode and a drain electrode, which are in contact with the oxide semiconductor layer, on the first interlayer insulating layer; and heat-treating the oxide semiconductor layer using Joule heat generated therein from a flow of a drain current by applying a voltage to the source electrode or the drain electrode.
    Type: Application
    Filed: December 16, 2013
    Publication date: January 15, 2015
    Applicants: Industry-Academic Cooperation Foundation, Yonsei University, Samsung Display Co., Ltd.
    Inventors: Ji-Won Han, Tae-Woong Kim, Seong-Il Im, Young-Tack Lee, Pyo-Jin Jeon
  • Publication number: 20140363567
    Abstract: A method of fabricating a metal nanowire dispersion solution includes heating a first solution including a metal compound, a catalyst, an organic protection agent and menstruum, thereby forming metal nanowires in the first solution, performing a first cleaning process providing a first solvent into the metal nanowire, thereby separating the organic protection agent surrounding the metal nanowires from the metal nanowires, separating the metal nanowires from the first solution by vacuum-filtering, and dispersing the separated metal nanowires in a dispersion solvent.
    Type: Application
    Filed: December 23, 2013
    Publication date: December 11, 2014
    Applicants: Korea Advanced Institute of Science and Technology, Samsung Display Co., Ltd.
    Inventors: Hyun Woo KOO, Tae Woong KIM, Jung Yong LEE, Jae Min LEE
  • Publication number: 20140333333
    Abstract: A substrate evaluation apparatus and method which includes a substrate storage portion accommodating a substrate, first and second fastening portions are arranged in the substrate storage portion and are each fastened to a side of the substrate, a driving portion driving the first and second fastening portions, and a measurement portion measuring electrical characteristics of the substrate through application of an electrical signal to the substrate.
    Type: Application
    Filed: August 6, 2013
    Publication date: November 13, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Gug Seol, Tae Woong Kim, Byeong Ung Hwang, Nae Eung Lee
  • Publication number: 20140305180
    Abstract: Provided are a bending apparatus and a bending method. According to an aspect of the present invention, there is provided a bending apparatus including a guide portion configured to guide a movement and a bending of a flexible substrate so that the flexible substrate is bent and moved, a first fastening portion configured to fix one side of the flexible substrate that is bent along the guide portion, a second fastening portion configured to fix an other side of the flexible substrate, and a driving portion configured to move at least one of the first fastening portion and the second fastening portion.
    Type: Application
    Filed: August 29, 2013
    Publication date: October 16, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Woong Kim, Young Ki Hong, Hyun Woo Koo, Young Gug Seol
  • Patent number: 8859306
    Abstract: A method of manufacturing a flexible display apparatus, and more particularly, to a flexible display apparatus including a display unit including a thin-film transistor which is easily encapsulated. The method of manufacturing a flexible display apparatus includes: sequentially forming a first plastic film and a first barrier layer on a first substrate; forming a thin-film transistor on the first barrier layer; forming on the thin-film transistor a display device that is electrically connected to the thin-film transistor; forming an encapsulation member including a second substrate, a second plastic film, and a second barrier layer, wherein the second substrate and the second film are sequentially stacked on the second barrier layer; combining the encapsulation member with the upper portion of the display device; ablating the first substrate from the first plastic film; and ablating the second substrate from the second plastic film.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Joon Seo, Dong-Un Jin, Kie-Hyun Nam, Tae-Woong Kim, Sung-Guk An, Jae-Seob Lee, Young-Gu Kim, Hyung-Sik Kim, Young-Shin Pyo, Jung-Ha Lee