Patents by Inventor In-Gyu Kwon

In-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: 9820378
    Abstract: Disclosed are a printed circuit board and a method of manufacturing the printed circuit board. The printed circuit board includes an insulating layer, and a circuit pattern formed on the insulating layer, wherein the circuit pattern includes a first circuit pattern formed on the insulating layer and including a corner portion of an upper portion which has a predetermined curvature and a second circuit pattern formed on the first circuit pattern and configured to cover an upper surface of the first circuit pattern including the corner portion.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: November 14, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Ho Hwang, Han Su Lee, Dae Young Choi, Soon Gyu Kwon, Dong Hun Jeong, In Ho Jeong, Kil Dong Son, Sang Hwa Kim, Sang Young Lee, Jae Hoon Jeon, Jin Hak Lee, Yun Mi Bae
  • Publication number: 20170251556
    Abstract: A printed circuit board includes: an insulating layer; a plating seed layer disposed on the insulating layer; a circuit pattern layer disposed on the plating seed layer and formed of copper (Cu); and a surface treatment layer disposed on the circuit pattern layer and formed of gold (Au), wherein a width of a bottom surface of the surface treatment layer is narrower than a width of a top surface of the plating seed layer, wherein the bottom surface of the surface treatment layer includes: a first portion contacted with the circuit pattern layer; and a second portion non contacted with the circuit pattern layer, and wherein a width of a top surface of the circuit pattern layer is narrower than a width of a bottom surface of the circuit pattern layer.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Inventors: Yun Mi BAE, Soon Gyu KWON, Sang Hwa KIM, Sang Young LEE, Jin Hak LEE, Han Su LEE, Dong Hun JEONG, In Ho JEONG, Dae Young CHOI, Jung Ho HWANG
  • 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: 9686860
    Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: June 20, 2017
    Assignee: LG INNOTEK CO., LTD
    Inventors: Yun Mi Bae, Soon Gyu Kwon, Sang Hwa Kim, Sang Young Lee, Jin Hak Lee, Han Su Lee, Dong Hun Jeong, In Ho Jeong, Dae Young Choi, Jung Ho Hwang
  • 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: 20170135223
    Abstract: Disclosed are a printed circuit board and a method of manufacturing the printed circuit board. The printed circuit board includes an insulating layer, and a circuit pattern formed on the insulating layer, wherein the circuit pattern includes a first circuit pattern formed on the insulating layer and including a corner portion of an upper portion which has a predetermined curvature and a second circuit pattern formed on the first circuit pattern and configured to cover an upper surface of the first circuit pattern including the corner portion.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 11, 2017
    Inventors: Jung Ho Hwang, Han Su Lee, Dae Young Choi, Soon Gyu Kwon, Dong Hun Jeong, In Ho Jeong, Kil Dong Son, Sang Hwa Kim, Sang Young Lee, Jae Hoon Jeon, Jin Hak Lee, Yun Mi Bae
  • 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
  • Publication number: 20170108736
    Abstract: A display device according to an exemplary embodiment includes: a substrate; a thin film transistor disposed on the substrate; an electrode connected with the thin film transistor; a roof layer disposed on the electrode, while interposing a microcavity therebetween; an injection hole disposed along a side surface of the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer covering the injection hole of the microcavity. The roof layer comprises a first portion disposed adjacent to the injection hole, and a second portion other than the first portion, and a height from the substrate to an upper surface of the first portion is lower than the height from the substrate to an upper surface of the second portion.
    Type: Application
    Filed: August 23, 2016
    Publication date: April 20, 2017
    Inventors: You Young JIN, Seong Gyu KWON, Sang Il KIM, Dae Ho LEE
  • Publication number: 20170059940
    Abstract: A color conversion panel according to an exemplary embodiment of the present invention includes an substrate, first, second, and third color conversion layers on the substrate and configured to emit lights of different colors, and a light blocking member between adjacent ones of the first, second, and third color conversion layers, wherein any one of the first, second, and third color conversion layers and the light blocking member is soluble.
    Type: Application
    Filed: August 22, 2016
    Publication date: March 2, 2017
    Inventors: Yong Seok Kim, Seong Gyu Kwon, Young Min Kim, Ki Soo Park, Hae Il Park
  • Patent number: 9581872
    Abstract: A slot die coater planarizing an upper surface of an encapsulation layer and a coating method using the same. The slot die coater includes a slit nozzle configured to supply a coating solution. The slit nozzle includes a hole vertically penetrating a center portion thereof, a first bottom surface disposed at a movement direction side of the slit nozzle with reference to the hole, and a second bottom surface disposed at an opposite direction side of the movement direction of the slit nozzle with reference to the hole. A width of the first bottom surface is different from the width of the second bottom surface.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Cheol Park, Gyeong Eun Eoh, Jong Soo Kim, Jun Heui Lee, Jong Wan Choi, Won Hyeng Pyen, Dae Ho Song, Seong Gyu Kwon, Kang-Il Cho
  • Publication number: 20170055347
    Abstract: Disclosed are a printed circuit board and a method of manufacturing the printed circuit board. The printed circuit board includes an insulating layer, and a circuit pattern formed on the insulating layer, wherein the circuit pattern includes a first circuit pattern formed on the insulating layer and including a corner portion of an upper portion which has a predetermined curvature and a second circuit pattern formed on the first circuit pattern and configured to cover an upper surface of the first circuit pattern including the corner portion.
    Type: Application
    Filed: August 19, 2016
    Publication date: February 23, 2017
    Inventors: Jung Ho Hwang, Han Su Lee, Dae Young Choi, Soon Gyu Kwon, Dong Hun Jeong, In Ho Jeong, Kil Dong Son, Sang Hwa Kim, Sang Young Lee, Jae Hoon Jeon, Jin Hak Lee, Yun Mi Bae
  • Patent number: 9568779
    Abstract: The disclosure relates to a display device, and more particularly to a display device having an improved aperture ratio and robustness. The display device may provide a display device including: a substrate; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor; microcavities formed on the pixel electrode, the microcavities holding liquid crystals; a roof layer formed on the microcavities and covering some sides of the microcavities; and an encapsulation layer formed on the roof layer to seal the microcavities, wherein sides of neighboring microcavities define openings are disposed in a matrix configuration.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong Gyu Kwon, Seok-Joon Hong, Dae Ho Song, Seon Uk Lee, Woo Jae Lee
  • Publication number: 20170038626
    Abstract: An exemplary embodiment of the present disclosure provides a blind-type liquid crystal display, including: a fixing member; two or more connecting members branched from the fixing member; and a plurality of liquid crystal panels that are connected to the fixing member through the connecting members and are disposed to extend in one direction, wherein each of the plurality of liquid crystal panels may include an substrate, a roof layer facing the insulation substrate, and a liquid crystal layer that is disposed between the insulation substrate and the roof layer and includes a plurality of microcavities.
    Type: Application
    Filed: February 9, 2016
    Publication date: February 9, 2017
    Inventors: Jae Cheol PARK, Dae Ho SONG, Seong Gyu KWON, Sang Il KIM
  • Publication number: 20170019992
    Abstract: A printed circuit board includes an insulating layer, a circuit pattern on the insulating layer, and a surface treatment layer on the circuit pattern. The surface treatment layer includes a bottom surface having a width wider than a width of a top surface of the circuit pattern.
    Type: Application
    Filed: August 20, 2015
    Publication date: January 19, 2017
    Inventors: Yun Mi BAE, Soon Gyu KWON, Sang Hwa KIM, Sang Young LEE, Jin Hak LEE, Han Su LEE, Dong Hun JEONG, In Ho JEONG, Dae Young CHOI, Jung Ho HWANG