Patents by Inventor Seong-Gyu Kwon

Seong-Gyu Kwon 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: 10459272
    Abstract: An exemplary embodiment provides a liquid crystal display including: a substrate configured to include a display area and a peripheral area; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer disposed to face the pixel electrode; a capping layer disposed on the roof layer; and a blocking film disposed in the peripheral area to surround a lateral surface of the capping layer, wherein a plurality of microcavities are formed between the pixel electrode and the roof layer in the display area, and the microcavities form a liquid crystal layer including a liquid crystal material, wherein a level of a top surface of the blocking film is higher than that of a top surface of the liquid crystal layer.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Ho Song, Seong Gyu Kwon, Yong Seok Kim, Jae Cheol Park, Seok-Joon Hong
  • Patent number: 10338437
    Abstract: A display device includes: a substrate including a plurality of pixel areas; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; an roof layer connected between pixel areas adjacent in a first direction and separated from the pixel electrode; a column protruded from the roof layer in a boundary portion of the pixel areas; a space between the pixel electrode and the roof layer, the roof layer partially overlapping an upper inner wall and a first side inner wall of the space and exposing a second side inner wall of the space; a liquid crystal in the space.
    Type: Grant
    Filed: November 17, 2012
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Uk Lee, Yeun Tae Kim, Seong Gyu Kwon, Nam Seok Roh
  • Patent number: 10281781
    Abstract: A display device includes a first substrate including a display area and a non-display area which is outside the display area; a first gate signal line and a second gate signal line each on the non-display area of the first substrate; a connection electrode which is on the non-display area of the first substrate and connects the first gate signal line and the second gate signal line to each other; and a static electricity prevention pattern which is on the non-display area of the first substrate and on the connection electrode.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung Gon Kum, Seong Gyu Kwon, Sang Il Kim, Tae Woo Lim, Sang Gil Lee
  • Patent number: 10095069
    Abstract: An exemplary embodiment provides a liquid crystal display including: a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a roof layer disposed to face the pixel electrode; and a capping layer disposed on the roof layer, wherein a plurality of microcavities are disposed between the pixel electrode and the roof layer, the microcavities form a liquid crystal layer including a liquid crystal material, a liquid crystal injection portion is formed between the microcavities, the capping layer is disposed to cover the liquid crystal injection portion, and the capping layer includes a light-blocking material and a water-soluble polymer material.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: October 9, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Ho Song, Seong Gyu Kwon, Jae Cheol Park, Kwang Soo Bae, You Young Jin
  • Patent number: 9989752
    Abstract: An electrowetting device is provided that includes a lower substrate and an upper substrate facing each other, a first electrode positioned on the lower substrate, an edge electrode positioned on the lower substrate and adjacent to an edge of the first electrode, a hydrophobic insulating layer positioned on the first electrode and the edge electrode, a partition positioned on the lower substrate, a second electrode positioned on the upper substrate, and a first liquid and a second liquid positioned between the upper substrate and the lower substrate, wherein an electric field of a portion where the edge electrode is positioned is smaller than an electric field of a portion where the first electrode is positioned.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: June 5, 2018
    Assignee: Amazon Technologies, Inc.
    Inventors: Kwang-Chul Jung, Seong Gyu Kwon, Mee Hye Jung
  • Patent number: 9927662
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display including: a substrate; a thin film transistor disposed on the substrate to be connected to a gate line extending in a first direction and a data line extending in a second direction; a pixel electrode connected to the thin film transistor; a roof layer positioned over the pixel electrode; a liquid crystal layer disposed in a plurality of microcavities formed between the pixel electrode and the roof layer; an inorganic insulating layer disposed to overlap the microcavities; and an overcoat disposed on the roof layer, wherein the inorganic insulating layer includes a first portion overlapping the roof layer and a second portion that does not overlap the roof layer, and a length of the second portion in the second direction is about 20 ?m or more.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Woo Lim, Seong Gyu Kwon, Choi Sang Park
  • Publication number: 20180053787
    Abstract: Disclosed is a display device and a manufacturing method thereof. The display device includes: a substrate including a display area and a peripheral area; a thin film transistor disposed on the display area of the substrate; a first electrode connected to the thin film transistor; a roof layer disposed on the first electrode and separated from the first electrode with a microcavity therebetween; an encapsulation layer disposed on the roof layer; a pad disposed on the peripheral area of the substrate; a pad assistant overlapping the pad and connected to the pad; and a dummy pattern neighboring the pad assistant and made of a transparent conductive material.
    Type: Application
    Filed: March 27, 2017
    Publication date: February 22, 2018
    Inventors: Tae Woo LIM, Seong Gyu KWON, Choi Sang PARK
  • Publication number: 20180045994
    Abstract: An exemplary embodiment provides a display device including: a substrate including a display area and a peripheral area; a pixel layer disposed in the display area; a driver layer disposed in the peripheral area; a first optical film disposed above the pixel layer and the driver layer; a second optical film disposed below the substrate; and a sealant disposed between the first optical film and the second optical film to overlap the first optical film and the second optical film in a thickness direction of the substrate.
    Type: Application
    Filed: February 10, 2017
    Publication date: February 15, 2018
    Inventors: Seong Gyu KWON, Sang Il KIM, Byung-Gon KUM, Tae Woo LIM
  • Patent number: 9883604
    Abstract: A display device may include a display panel, and first member, and a second member. The display panel has a first section and a second section. The first member includes an electromagnet, extends parallel to the first section and has a first side and a second side. The first side is oriented a first obtuse angle with respect to the second side. The second member directly contacts the first member, extends parallel to the second section, and has a third side and a fourth side. The third side is oriented a second obtuse angle with respect to the fourth side. The first member is connected through the second member to the second section. The second member is connected through the first member to the first section.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: January 30, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Heui Lee, Seong Gyu Kwon, Jae Cheol Park, Gyeong Eun Eoh
  • Patent number: 9851595
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a peripheral area; a thin film transistor positioned in the display area of the substrate; a first electrode connected to the thin film transistor; a roof layer positioned on the first electrode and spaced apart from the first electrode by a microcavity that is interposed between the roof layer and the first electrode; a liquid crystal layer positioned inside the microcavity; an encapsulation layer positioned on the roof layer; a pad portion positioned in the peripheral area of the substrate; and a pillar positioned in the peripheral area of the substrate.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choi Sang Park, Seong Gyu Kwon, Tae Woo Lim
  • Publication number: 20170363921
    Abstract: A display device includes a first substrate including a display area and a non-display area which is outside the display area; a first gate signal line and a second gate signal line each on the non-display area of the first substrate; a connection electrode which is on the non-display area of the first substrate and connects the first gate signal line and the second gate signal line to each other; and a static electricity prevention pattern which is on the non-display area of the first substrate and on the connection electrode.
    Type: Application
    Filed: April 10, 2017
    Publication date: December 21, 2017
    Inventors: Byung Gon KUM, Seong Gyu KWON, Sang Il KIM, Tae Woo LIM, Sang Gil LEE
  • Patent number: 9746714
    Abstract: A display device includes a substrate, a thin film transistor positioned on the substrate, a pixel electrode connected to the thin film transistor, an alignment layer positioned on the pixel electrode, a liquid crystal layer including liquid crystal molecules formed on the alignment layer and positioned in a plurality of microcavities, a roof layer positioned such that the roof layer is spaced apart from the pixel electrode with a microcavity interposed therebetween, and an overcoat positioned on the roof layer and covering a trench positioned between the plurality of microcavities, in which in the liquid crystal layer, a pre-tilt angle manifestation group positioned to be adjacent to the alignment layer is formed, and the pre-tilt angle manifestation group includes a polymer of a compound represented by Chemical Formula 1.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Ho Song, Jae Cheol Park, Seong Gyu Kwon, You Young Jin
  • Publication number: 20170235169
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display including: a substrate; a thin film transistor disposed on the substrate to be connected to a gate line extending in a first direction and a data line extending in a second direction; a pixel electrode connected to the thin film transistor; a roof layer positioned over the pixel electrode; a liquid crystal layer disposed in a plurality of microcavities formed between the pixel electrode and the roof layer; an inorganic insulating layer disposed to overlap the microcavities; and an overcoat disposed on the roof layer, wherein the inorganic insulating layer includes a first portion overlapping the roof layer and a second portion that does not overlap the roof layer, and a length of the second portion in the second direction is about 20 ?m or more.
    Type: Application
    Filed: January 30, 2017
    Publication date: August 17, 2017
    Inventors: Tae Woo LIM, Seong Gyu KWON, Choi Sang PARK
  • Publication number: 20170205661
    Abstract: An exemplary embodiment provides a display device and a manufacturing method thereof. A display device according to the exemplary embodiment includes: a substrate; a thin film transistor disposed on the substrate; a first electrode connected to the thin film transistor; a roof layer disposed on the first electrode and spaced apart from the first electrode by interposing a microcavity therebetween; a liquid crystal layer positioned inside the microcavity; an encapsulation layer positioned on the roof layer; and a barrier layer covering an upper surface and a lateral surface of the encapsulation layer, wherein a lateral surface of the barrier layer includes a thermal distortion portion.
    Type: Application
    Filed: August 12, 2016
    Publication date: July 20, 2017
    Inventors: Choi Sang PARK, Seong Gyu KWON, Sang Il KIM, Tae Woo LIM
  • Patent number: 9709857
    Abstract: A display device may include a substrate having a first substrate portion, a second substrate portion, and a third substrate portion positioned between the first substrate portion and the second substrate portion. The display device may further include a first roof layer and a second roof layer formed of the same material, spaced from each other, and respectively overlapping the first substrate portion and the second substrate portion. The display device may further include a transistor overlapping the third substrate portion. The display device may further include a liquid crystal set. The display device may further include a common electrode portion positioned between the first substrate portion and the liquid crystal set. The display device may further include a sub-pixel electrode positioned between the liquid crystal set and the first roof layer and electrically connected to the transistor.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: July 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seok-Joon Hong, Seong Gyu Kwon, Ji Seong Yang
  • Publication number: 20170199418
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a peripheral area; a thin film transistor positioned in the display area of the substrate; a first electrode connected to the thin film transistor; a roof layer positioned on the first electrode and spaced apart from the first electrode by a microcavity that is interposed between the roof layer and the first electrode; a liquid crystal layer positioned inside the microcavity; an encapsulation layer positioned on the roof layer; a pad portion positioned in the peripheral area of the substrate; and a pillar positioned in the peripheral area of the substrate.
    Type: Application
    Filed: July 7, 2016
    Publication date: July 13, 2017
    Inventors: Choi Sang PARK, Seong Gyu KWON, Tae Woo LIM
  • Publication number: 20170184914
    Abstract: A liquid crystal display (LCD) is presented. The LCD includes: a substrate; a plurality of thin film transistors disposed on the substrate; a plurality of liquid crystal (LC) layers disposed within a plurality of microcavities on the substrate; a partition wall disposed between the LC layers adjacent in a first direction; and signal lines disposed between the LC layers and the partition wall and connected to the plurality of thin film transistors.
    Type: Application
    Filed: August 16, 2016
    Publication date: June 29, 2017
    Inventors: You Young JIN, Seong Gyu KWON, Sang Il KIM, Kwang Soo BAE
  • Publication number: 20170181304
    Abstract: A display device may include a display panel, and first member, and a second member. The display panel has a first section and a second section. The first member includes an electromagnet, extends parallel to the first section and has a first side and a second side. The first side is oriented a first obtuse angle with respect to the second side. The second member directly contacts the first member, extends parallel to the second section, and has a third side and a fourth side. The third side is oriented a second obtuse angle with respect to the fourth side. The first member is connected through the second member to the second section. The second member is connected through the first member to the first section.
    Type: Application
    Filed: June 17, 2016
    Publication date: June 22, 2017
    Inventors: Jun Heui LEE, Seong Gyu KWON, Jae Cheol PARK, Gyeong Eun EOH
  • Patent number: 9671633
    Abstract: There is provided a display device including a substrate, a black matrix disposed on one side of the substrate, a thin film transistor disposed on the other side of the substrate, a common electrode and a pixel electrode disposed on the thin film transistor and overlapping with each other with an insulating layer disposed therebetween, a roof layer formed to be spaced apart from the pixel electrode and the common electrode with a microcavity disposed therebetween, including a supporting member, and having an injection hole through which a portion of the microcavity is exposed, a liquid crystal layer filling the microcavity, and an overcoat formed on the roof layer so as to cover the injection hole and sealing the microcavity.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: June 6, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Ho Lee, Seong Gyu Kwon, Hee Keun Lee
  • Publication number: 20170115698
    Abstract: Provided is a display device. The display device includes a mobile device and a cover connected thereto, in which the cover includes a contact pad portion and a display unit that are connected with an external power supply. The display unit includes a flexible substrate, a pixel electrode positioned on the flexible substrate, a roof layer facing the pixel electrode, and a liquid crystal layer formed by a plurality of microcavities including liquid crystal molecules between the pixel electrode and the roof layer, and the cover is connected to a surface of the mobile device to cover the front surface and the rear surface of the mobile device.
    Type: Application
    Filed: July 12, 2016
    Publication date: April 27, 2017
    Inventors: Dae Ho LEE, Seong Gyu KWON