Patents by Inventor Eun-Kil PARK

Eun-Kil PARK 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: 10996522
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 4, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
  • Publication number: 20200301179
    Abstract: A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Inventors: Wan-Soon IM, MinWook PARK, SuWan WOO, Eun-Kil PARK, Jeongman Son, Changil TAE, Kee-Bum PARK, Kyung-Bae KIM, JE HYEONG PARK, JOOHWAN PARK, YU DEOK SEO, Seungho YANG, SEJOON OH, HEEHWAN LEE
  • Patent number: 10712596
    Abstract: A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wan-Soon Im, MinWook Park, SuWan Woo, Eun-Kil Park, Jeongman Son, Changil Tae, Kee-Bum Park, Kyung-Bae Kim, Je Hyeong Park, Joohwan Park, Yu Deok Seo, Seungho Yang, Sejoon Oh, Heehwan Lee
  • Publication number: 20200124926
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
  • Patent number: 10629624
    Abstract: A thin film transistor array panel includes a substrate, a gate insulating layer, an interface layer, and a semiconductor layer. The gate insulating layer is disposed on the substrate. The interface layer is disposed on the gate insulating layer. The semiconductor layer is disposed on the interface layer. The interface layer includes a fluorinated silicon oxide. The semiconductor layer includes a p-type oxide semiconductor material.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: April 21, 2020
    Assignees: SAMSUNG DISPLAY CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jae Heung Ha, Jong Woo Kim, Ji Young Moon, Min Ho Oh, Seung Jae Lee, Yoon Hyeung Cho, Young Cheol Joo, Hyeong Joon Kim, Eun-Kil Park, Sang Jin Han
  • Patent number: 10551691
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
  • Publication number: 20190265559
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in a pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Inventors: Hak Sun CHANG, Eun-Kil PARK, Hyun-Ho KANG, Jang Wi RYU, Seung-Suk YANG, Ki Chul SHIN, Se Hyun LEE, Jae-Soo JANG, Hyo Ju JUNG
  • Patent number: 10394095
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes a first substrate including a plurality of first color filters, a plurality of second color filters, a plurality of third color filters and a plurality of gate electrodes extending in a first direction; a second substrate facing the first substrate; and a liquid crystal layer formed between the first substrate and the second substrate, wherein the plurality of first color filters include a plurality of first portions extending in a first direction, and a plurality of second portions extending in a second direction substantially perpendicular to the first direction and crossing the plurality of first portions.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Kil Park, Kyung-Ho Park, Chang Il Tae, Jae Won Kim, Yoo Mi Ra
  • Patent number: 10345655
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: July 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hak Sun Chang, Eun-Kil Park, Hyun-Ho Kang, Jang Wi Ryu, Seung-Suk Yang, Ki Chul Shin, Se Hyun Lee, Jae-Soo Jang, Hyo Ju Jung
  • Patent number: 9927659
    Abstract: A liquid crystal display includes a plurality of pixels, a lower substrate and an upper substrate facing each other, a liquid crystal layer disposed between the lower substrate and the upper substrate, a pixel electrode disposed on the lower substrate and including a plurality of sub-regions which differently controls an inclination direction of liquid crystal molecules included in the liquid crystal layer for a pixel of the plurality of pixels, and a gate line disposed on the lower substrate and including a portion which overlaps a boundary between adjacent sub-regions of the plurality of sub-regions of the pixel electrode.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun-Kil Park, Wan-Soon Im, Yong Woo Hyung
  • Publication number: 20180061865
    Abstract: A thin film transistor array panel includes a substrate, a gate insulating layer, an interface layer, and a semiconductor layer. The gate insulating layer is disposed on the substrate. The interface layer is disposed on the gate insulating layer. The semiconductor layer is disposed on the interface layer. The interface layer includes a fluorinated silicon oxide. The semiconductor layer includes a p-type oxide semiconductor material.
    Type: Application
    Filed: August 16, 2017
    Publication date: March 1, 2018
    Inventors: Jae Heung Ha, Jong Woo Kim, Ji Young Moon, Min Ho Oh, Seung Jae Lee, Yoon Hyeung Cho, Young Cheol Joo, Hyeong Joon Kim, Eun-Kil Park, Sang Jin Han
  • Patent number: 9891490
    Abstract: A liquid crystal display device includes a first substrate comprising a pixel area, a second substrate having a common electrode, and a liquid crystal layer arranged between the first and second substrates, where the first substrate includes a first pixel electrode which is arranged on the pixel area and in which a diamond shaped open unit is defined, and a plate shaped second pixel electrode arranged on the first pixel electrode, the first pixel electrode having first and second sides parallel to one side of the pixel area, third and fourth sides extending from one side of the first and second sides, inclined against the first and second sides, and parallel to each other, and fifth and sixth sides that connect the first and second sides with the third and fourth sides, and are parallel to each other, and the second pixel electrode includes a cross-shaped stem unit.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang-Il Tae, Eun-Kil Park, Seung-Ho Yang
  • Patent number: 9804446
    Abstract: Disclosed herein is a liquid crystal display, including: a first substrate; a first sub-pixel electrode positioned on the first substrate including a first sub-region and a second sub-region; a second sub-pixel electrode positioned on the first substrate including a third sub-region and a fourth sub-region; and an insulating layer positioned between the first sub-region of the first sub-pixel electrode and the second sub-pixel electrode, wherein liquid crystal molecules corresponding to a first region in which the second sub-region of the first sub-pixel electrode is positioned, a second region in which the first sub-region of the first sub-pixel electrode and the third sub-region of the second sub-pixel electrode overlap each other, and a third region in which the fourth sub-region of the second sub-pixel electrode is positioned are configured to have different pretilts.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Kil Park, Swae-Hyun Kim, Chang Il Tae
  • Patent number: 9780127
    Abstract: A liquid crystal display includes: an insulation substrate; a thin film transistor including gate and data lines on the insulation substrate; a passivation layer on the thin film transistor; a pixel electrode on the passivation layer and including a first subpixel electrode to which a first voltage is applied and a second subpixel electrode to which a second voltage is applied; a shielding electrode on the passivation layer and applied with a common voltage; a first microcavity on the pixel electrode and injected with a liquid crystal material; a second microcavity on the shielding electrode and injected with the liquid crystal material; a common electrode on the first and second microcavities and separated from the pixel electrode and the shielding electrode by the first and second microcavities; a roof layer on the common electrode;; and an overcoat on the roof layer to seal the first and second microcavities.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: October 3, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Je Hyeong Park, Eun-Kil Park, Seung Ho Yang, Chang Il Tae
  • Patent number: 9753336
    Abstract: A liquid crystal display includes a first field generating electrode and an opposed electrode facing each other with a liquid crystal layer interposed therebetween, a shielding electrode line separated from the first field generating electrode, and a second field generating electrode including a plurality of branch electrodes overlapping the first field generating electrode, where the first field generating electrode includes at least one step portion adjacent to and facing the shielding electrode line.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Il Tae, Swae-Hyun Kim, Eun-Kil Park
  • Patent number: 9715154
    Abstract: A liquid crystal display including a first substrate, a gate line disposed on the first substrate, a gate insulating layer disposed on the gate line, a data line disposed on the gate insulating layer, a first passivation layer disposed on the data line, a color filter disposed on the first passivation layer, a second passivation layer disposed on the color filter, and a pixel electrode and a shielding electrode disposed on the passivation layer. The shielding electrode includes a lower layer formed at a same layer as that of the pixel electrode and an upper layer formed on the lower layer by using an opaque metal layer.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: July 25, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Kil Park, Swae-Hyun Kim, Chang II Tae
  • Patent number: 9645449
    Abstract: A curved display device includes a thin film transistor display unit including a first insulation substrate; a common electrode display unit disposed opposite to the thin film transistor display unit and including a second insulation substrate; a liquid crystal layer disposed between the thin film transistor display unit and the common electrode display unit; and a plurality of color filters disposed on the first insulation substrate or the second insulation substrate, where each color filter includes an overlapping compensation region, which overlaps an adjacent color filter, and a non-overlapping region, which does not overlap the adjacent color filter, the overlapping compensation region defines a stepped region having a step height with the non-overlapping region.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun-Kil Park, Seung Ho Yang, Chang Il Tae
  • Patent number: 9638970
    Abstract: A liquid crystal display includes: a substrate including a display region and a non-display region, the non-display region including a first region adjacent to the display region and a second region further from the display region than the first region; a light blocking member disposed in the non-display region of the substrate; and a plurality of step providing layers disposed between the substrate and the light blocking member in the non-display region of the substrate, the step providing layers spaced apart from each other. A height of the light blocking member disposed in the first region of the non-display region is different from a height of the light blocking member disposed in the second region of the non-display region.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: May 2, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Swae-Hyun Kim, Eun-Kil Park, Hyun-Ho Kang, Ki Kyung Youk, Sang Woo Whangbo
  • Patent number: 9599862
    Abstract: A display apparatus includes a first substrate including a display area in which a plurality of pixels is disposed and a non-display area disposed adjacent to the display area, a second substrate which faces the first substrate, an image display layer between the first substrate and the second substrate, and a sealing member which is in the non-display area and attaches the first substrate and the second substrate. The first and second substrates have a curved surface in a first direction, and a flat surface in a second direction crossing the first direction A width of the sealing member extended in the first direction is greater than a width of the sealing member extended in the second direction.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun-Kil Park, UnByoll Ko, Kikyung Youk
  • Patent number: 9559124
    Abstract: A display panel includes a first base substrate that includes an upper surface to which an external light is incident and a lower surface facing the upper surface and includes a plurality of pixel areas and a peripheral area adjacent to the pixel areas when viewed in a plan view, a plurality of pixels disposed on the lower surface of the first base substrate to respectively correspond to the pixel areas, and a black matrix layer disposed between the pixels and the lower surface of the first base substrate to overlap the peripheral area. The black matrix layer includes a low reflection layer disposed on the lower surface of the first base substrate and a light blocking layer disposed on the low reflection layer.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: January 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Kil Park, Hyun-Ho Kang