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).

  • Publication number: 20160291365
    Abstract: A liquid crystal display including: a substrate including a display area and a peripheral area, a plurality of thin film transistors disposed on the substrate in the display area, a plurality of pixel electrodes disposed on the plurality of thin film transistors and connected to the plurality of thin film transistor, respectively, a plurality of roof layers disposed on the plurality of pixel electrodes so as to face the plurality of pixel electrodes, a plurality of liquid crystal layers disposed in a plurality of micro cavities formed between the plurality of pixel electrodes and the roof layer, and a capping layer covering liquid crystal inlets formed between the plurality of micro cavities and including a light blocking material suitable for inkjet processing, wherein the plurality of roof layers includes protrusion parts or concave parts disposed at one side of the plurality of roof layers adjacent to the capping layer.
    Type: Application
    Filed: March 3, 2016
    Publication date: October 6, 2016
    Inventors: Seong Gyu KWON, Jae Cheol PARK, Dae Ho SONG, You Young JIN
  • Patent number: 9459479
    Abstract: A display device includes: a substrate; a thin film transistor; a pixel electrode; a common electrode; a liquid crystal layer; and an encapsulation layer. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The common electrode is disposed on the pixel electrode and is separated from the pixel electrode via a microcavity therebetween. The liquid crystal layer fills the microcavity. The encapsulation layer is configured to seal the microcavity, wherein the encapsulation layer has an opening positioned at a portion overlapping the microcavity.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: October 4, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Uk Lee, Woo Jae Lee, Seong Gyu Kwon, Don Chan Cho
  • Publication number: 20160272046
    Abstract: A device and a method for a controlling compressor of vehicles improves acceleration performance and fuel efficiency and maintains comfort of a cabin by decreasing an operation of the compressor when accelerating.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Choon Gyu KWON, Jae Woong KIM, Chang Won LEE
  • Patent number: 9448399
    Abstract: A method of manufacturing an electrowetting display device includes forming a protection layer on a pixel electrode, forming a water-repellent layer on the protection layer, and removing the water-repellent layer from regions surrounding a display area of the pixel electrode. The water-repellent layer is formed by coating the protection layer with a hydrophilic material using a method such as slit coating. The water-repellent layer is removed using a method such as an edge bead removal method. The resulting water-repellent layer has a uniform thickness.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: September 20, 2016
    Assignee: Amazon Technologies, Inc.
    Inventors: Dae Jin Park, Seong Gyu Kwon, Ji Seong Yang, Jun Heui Lee
  • Publication number: 20160202518
    Abstract: A liquid crystal display is provided. The liquid crystal display includes: a substrate; a thin film transistor disposed on the substrate; a pixel electrode disposed on the thin film transistor; a roof layer facing the pixel electrode; and partition walls forming a plurality of microcavities between the pixel electrode and the roof layer, wherein the plurality of microcavities include liquid crystal molecules, and the partition walls include light blocking, materials.
    Type: Application
    Filed: November 4, 2015
    Publication date: July 14, 2016
    Inventors: Seong Gyu KWON, Jae Cheol PARK, Dae Ho SONG, You Young JIN
  • Publication number: 20160195748
    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: Application
    Filed: September 8, 2015
    Publication date: July 7, 2016
    Inventors: Dae Ho LEE, Seong Gyu KWON, Hee Keun LEE
  • Publication number: 20160195759
    Abstract: A liquid crystal display according to an exemplary embodiment includes: an insulating substrate; gate lines and data lines positioned on the insulating substrate, and crossing each other while being insulated; thin film transistors connected to the gate lines and the data lines; pixel electrodes connected to the thin film transistors; light blocking members positioned on the thin film transistors; a common electrode spaced apart from the pixel electrodes while facing the pixel electrodes; a liquid crystal layer filling microcavities overlapping the pixel electrodes and including liquid crystal molecules; color filters formed on the common electrode; injection holes positioned in the common electrode and the color filters and extending to the microcavities; and an overcoat positioned on the color filters so as to cover the injection holes, in which the light blocking members include protrusion portions positioned so as to overlap the injection holes.
    Type: Application
    Filed: June 11, 2015
    Publication date: July 7, 2016
    Inventors: Sung Hwan WON, Seong Gyu KWON
  • Patent number: 9375996
    Abstract: A device and a method for a controlling compressor of vehicles may include a cabin temperature sensor, an outdoor temperature sensor, an evaporator temperature sensor, an engine speed sensor, and a throttle position sensor detecting a throttle opening, a condenser, an evaporator, a temperature control door controlling a temperature of an air flowed in a cabin, an intake door selectively flowing an inner air or an outer air in the cabin, and a blower blowing the air to the intake door, and a controller controlling an operation of the air conditioning system, wherein the controller decides a acceleration mode and an allowable temperature at each acceleration mode when an acceleration condition occurs, and decreases an operation of the compressor according to a difference between the evaporator temperature and the allowable temperature.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: June 28, 2016
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Choon Gyu Kwon, Jae Woong Kim, Chang Won Lee
  • Publication number: 20160124256
    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: Application
    Filed: July 6, 2015
    Publication date: May 5, 2016
    Inventors: Dae Ho SONG, Seong Gyu KWON, Jae Cheol PARK, Kwang Soo BAE, You Young JIN
  • Publication number: 20160116794
    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: Application
    Filed: May 28, 2015
    Publication date: April 28, 2016
    Inventors: Dae Ho SONG, Seong Gyu KWON, Yong Seok KIM, Jae Cheol PARK, Seok-Joon HONG
  • Publication number: 20160016185
    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: Application
    Filed: February 16, 2015
    Publication date: January 21, 2016
    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-II Cho
  • Patent number: 9201264
    Abstract: A display panel includes a substrate, a partition formed on the substrate and defining a plurality of openings, a plurality of color filters formed in the openings and having a substantially uniform thickness within each respective opening, and a spacer formed on the partition. The color filters and the spacer are formed through inkjet printing. The color filters have the substantially uniform thickness by the partition having a height which is greater than the thickness of the color filters during the inkjet printing. The height of the partition may be in a range of about 1.5 to about 2 times the thickness of the color filter.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi-Seop Shim, Kwang-Ho Lee, Jin-Seuk Kim, Jang-Sub Kim, Yoon-Ho Kang, Tae-Gee Min, Seong-Gyu Kwon, Chang-Hun Kwak, Jae-Hoon Kim, Jae-Jun Yu
  • Publication number: 20150309374
    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: Application
    Filed: September 9, 2014
    Publication date: October 29, 2015
    Inventors: Seok-Joon HONG, Seong Gyu KWON, Ji Seong YANG
  • Publication number: 20150268491
    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: Application
    Filed: September 24, 2014
    Publication date: September 24, 2015
    Inventors: Seong Gyu KWON, Seok-Joon HONG, Dae Ho SONG, Seon Uk LEE, Woo Jae LEE
  • Publication number: 20150185543
    Abstract: A display device includes: a substrate; a thin film transistor; a pixel electrode; a common electrode; a liquid crystal layer; and an encapsulation layer. The thin film transistor is disposed on the substrate. The pixel electrode is disposed on the thin film transistor. The common electrode is disposed on the pixel electrode and is separated from the pixel electrode via a microcavity therebetween. The liquid crystal layer fills the microcavity. The encapsulation layer is configured to seal the microcavity, wherein the encapsulation layer has an opening positioned at a portion overlapping the microcavity.
    Type: Application
    Filed: May 6, 2014
    Publication date: July 2, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seon Uk LEE, Woo Jae LEE, Seong Gyu KWON, Don Chan CHO
  • Publication number: 20150124203
    Abstract: Provided are a display device and a manufacturing method thereof capable of preventing a short defect between electrodes. The display device includes a substrate, a common electrode formed on the substrate, a pixel electrode formed on the common electrode to be spaced apart from the common electrode with a microcavity therebetween, a roof layer formed on the pixel electrode, a liquid crystal layer filing the microcavity, and an encapsulation layer formed on the roof layer to seal the microcavity.
    Type: Application
    Filed: May 2, 2014
    Publication date: May 7, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seong Gyu KWON, Woo Jae LEE, Seok-Joon HONG
  • Patent number: 8896790
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a substrate; a partition formed on the substrate and defining a pixel; a plurality of protrusion members formed with the same material as the partition on the substrate, and disposed with a linear plane shape inside the pixel defined by the partition; and a color filter filled inside the pixel defined by the partition. Accordingly, in the liquid crystal display according to an exemplary embodiment of the present invention, a plurality of transparent protrusion members are formed in the pixel defined by the partition such that movement of color filter ink dripped through an Inkjet method is controlled such that a color filter may be planarized on the whole surface of the pixel.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi-Seop Shim, Dong-Yoon Lee, Tae-Gee Min, Seong-Gyu Kwon, Jae-Hoon Kim
  • Publication number: 20140211294
    Abstract: A method of manufacturing an electrowetting display device includes forming a protection layer on a pixel electrode, forming a water-repellent layer on the protection layer, and removing the water-repellent layer from regions surrounding a display area of the pixel electrode. The water-repellent layer is formed by coating the protection layer with a hydrophilic material using a method such as slit coating. The water-repellent layer is removed using a method such as an edge bead removal method. The resulting water-repellent layer has a uniform thickness.
    Type: Application
    Filed: April 3, 2014
    Publication date: July 31, 2014
    Applicant: Liquavista B.V.
    Inventors: Dae Jin Park, Seong Gyu Kwon, Ji Seong Yang, Jun Heui Lee
  • Publication number: 20140176893
    Abstract: A display device according to an exemplary embodiment of the present invention includes a substrate including a plurality of pixel regions, a thin film transistor disposed on the substrate, and a pixel electrode connected to the thin film transistor and disposed in a first pixel region. A roof layer is disposed on the pixel electrode and spaced apart from the pixel electrode with a microcavity interposed therebetween. The plurality of pixel regions is disposed in a matrix form including a plurality of pixel rows and a plurality of pixel columns, the roof layer is disposed along the plurality of pixel rows, and the roof layer includes a bridge portion connecting the roof layers disposed in different pixel rows.
    Type: Application
    Filed: April 25, 2013
    Publication date: June 26, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Koichi SUGITANI, Seong Gyu Kwon, Joo-Han Bae, Hoon Kang, Jae-Sung Kim, Jin-Young Choi, Jin Ho Ju, Dong Hyun Yu, Hyung-Il Jeon
  • Publication number: 20140141685
    Abstract: A display panel includes a substrate, a partition formed on the substrate and defining a plurality of openings, a plurality of color filters formed in the openings and having a substantially uniform thickness within each respective opening, and a spacer formed on the partition. The color filters and the spacer are formed through inkjet printing. The color filters have the substantially uniform thickness by the partition having a height which is greater than the thickness of the color filters during the inkjet printing. The height of the partition may be in a range of about 1.5 to about 2 times the thickness of the color filter.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yi-Seop SHIM, Kwang-Ho LEE, Jin-Seuk KIM, Jang-Sub KIM, Yoon-Ho KANG, Tae-Gee MIN, Seong-Gyu KWON, Chang-Hun KWAK, Jae-Hoon KIM, Jae-Jun YU