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: 9551906
    Abstract: A liquid crystal display is provided. A liquid crystal display includes: a first substrate; a thin film transistor disposed on the first substrate; and a first electrode disposed on the thin film transistor and connected to an output terminal of the thin film transistor, wherein the first electrode includes a first region and a second region each including a plurality of minute branches separated from each other by open parts, portions of at least two minute branches among the plurality of minute branches are connected to form a plurality of minute plate branches, and wherein the minute plate branch has a wider width than a minute branch.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Il Tae, Sung Hoon Kim, Hyun-Ho Kang, Yong Woo Hyung, Jang-Il Kim, Eun-Kil Park, Jeong Soo Choi, Bo Yeong Kim, Jae-Jin Song
  • Publication number: 20160291369
    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: Application
    Filed: February 25, 2016
    Publication date: October 6, 2016
    Inventors: Eun-Kil PARK, Kyung-Ho PARK, Chang Il TAE, Jae Won KIM, Yoo Mi RA
  • Patent number: 9442337
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate and including a first subpixel electrode including a plurality of first branch electrodes and a second subpixel electrode which is separated from the first subpixel electrode, includes a plurality of second branch electrodes, and encloses the first subpixel electrode, a compensation electrode positioned between the first subpixel electrode and the second subpixel electrode, a common electrode disposed on the second substrate; and a liquid crystal layer positioned between the first substrate and the second substrate.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: September 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun-Kil Park, Je Hyeong Park
  • Publication number: 20160246100
    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: Application
    Filed: September 8, 2015
    Publication date: August 25, 2016
    Inventors: Swae-Hyun KIM, Eun-Kil PARK, Hyun-Ho KANG, Ki Kyung YOUK, Sang Woo WHANGBO
  • Publication number: 20160216585
    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: Application
    Filed: November 30, 2015
    Publication date: July 28, 2016
    Inventors: Eun-Kil PARK, Swae-Hyun KIM, Chang Il TAE
  • Publication number: 20160216566
    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: Application
    Filed: June 18, 2015
    Publication date: July 28, 2016
    Inventors: Eun-Kil PARK, Swae-Hyun KIM, Chang Il TAE
  • Publication number: 20160202572
    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: Application
    Filed: February 23, 2016
    Publication date: July 14, 2016
    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: 20160195789
    Abstract: A liquid crystal display capable of reducing light leakage and improving contrast ratio is presented. The display includes: a lower display substrate including a thin film transistor and a pixel electrode connected thereto; an upper display substrate facing the lower display substrate; and a liquid crystal layer disposed between the lower display substrate and the upper display substrate, wherein the lower display substrate includes: a data line; a first color filter and a second color filter configured to cover at least a portion of the data line, the first color filter and the second color filter being disposed to overlap each other on the data line; and an opaque shielding electrode disposed on the first and second color filters and overlapping the data line.
    Type: Application
    Filed: October 5, 2015
    Publication date: July 7, 2016
    Inventors: Je Hyeong PARK, Eun-Kil PARK, Seung Ho YANG
  • Patent number: 9360728
    Abstract: A liquid crystal display panel is provided. The liquid crystal display panel includes a first substrate comprising a pixel area and a non-pixel area surrounding the pixel area, a thin-film transistor (TFT) disposed on the pixel area of the first substrate and a pixel electrode connected to the TFT, and a plurality of metal wirings disposed on the non-pixel area of the first substrate and one or more dummy patterns disposed adjacent to the metal wirings. The TFT includes a gate electrode, a source electrode, and a drain electrode, and the dummy patterns are formed of a same material as at least one of the gate source, the source electrode, and the drain electrode.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: June 7, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Ho Kang, Eun Kil Park, Hyung June Kim, O Sung Seo, Tae Kyung Yim
  • Publication number: 20160116810
    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: Application
    Filed: July 7, 2015
    Publication date: April 28, 2016
    Inventors: Chang-Il TAE, Eun-Kil PARK, Seung-Ho YANG
  • Patent number: 9274377
    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: September 13, 2012
    Date of Patent: March 1, 2016
    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: 20160033835
    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: Application
    Filed: December 11, 2014
    Publication date: February 4, 2016
    Inventors: Je Hyeong PARK, Eun-Kil PARK, Seung Ho YANG, Chang Il TAE
  • Publication number: 20150378221
    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: Application
    Filed: November 3, 2014
    Publication date: December 31, 2015
    Inventors: Chang Il TAE, Swae-Hyun KIM, Eun-Kil PARK
  • Patent number: 9207496
    Abstract: A manufacturing method for a display panel includes: forming a first display panel including a plurality of pixel electrodes, gate lines and data lines connected to the pixel electrodes, a first pad unit connected to the gate lines, and a second pad unit connected to the data lines; forming a second display panel including a common electrode; forming a first short point connected to the first pad unit; forming a second short point connected to the second pad unit; adhering the first display panel and the second display panel; dividing the second display panel into a plurality of regions insulated from each other, a first region corresponding to the first short point, a second region corresponding to the second short point, and a third region; and applying a first voltage to the first region, a second voltage to the second region, and a third voltage to the third region.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: December 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Kil Park, Hyun-Ho Kang, Yong Woo Hyung
  • Publication number: 20150277192
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate and including a first subpixel electrode including a plurality of first branch electrodes and a second subpixel electrode which is separated from the first subpixel electrode, includes a plurality of second branch electrodes, and encloses the first subpixel electrode, a compensation electrode positioned between the first subpixel electrode and the second subpixel electrode, a common electrode disposed on the second substrate; and a liquid crystal layer positioned between the first substrate and the second substrate.
    Type: Application
    Filed: September 2, 2014
    Publication date: October 1, 2015
    Inventors: Eun-Kil PARK, Je Hyeong PARK
  • Publication number: 20150268519
    Abstract: A liquid crystal display includes a first substrate, a first subpixel electrode on the first substrate configured to receive a first voltage and including a first and second subregion, a second subpixel electrode on the first substrate configured to receive a second voltage and including a third subregion and a fourth subregion, an insulating layer between the first subpixel electrode and the second subpixel electrode, a second substrate facing the first substrate, and a common electrode at the second substrate and configured to receive a common voltage, wherein the third subregion overlaps the first subregion, the second subregion includes first branch electrodes, the second subpixel electrode includes second branch electrodes, the first branch electrodes and the second branch electrodes include a first end and a second end facing each other, and the second branch electrodes have a reduced width at the second end.
    Type: Application
    Filed: March 6, 2015
    Publication date: September 24, 2015
    Inventors: Eun-Kil Park, Young Goo Song, Hyung Gi Jung
  • Publication number: 20150234240
    Abstract: A liquid crystal display is provided. A liquid crystal display includes: a first substrate; a thin film transistor disposed on the first substrate; and a first electrode disposed on the thin film transistor and connected to an output terminal of the thin film transistor, wherein the first electrode includes a first region and a second region each including a plurality of minute branches separated from each other by open parts, portions of at least two minute branches among the plurality of minute branches are connected to form a plurality of minute plate branches, and wherein the minute plate branch has a wider width than a minute branch.
    Type: Application
    Filed: May 1, 2015
    Publication date: August 20, 2015
    Inventors: Chang Il TAE, Sung Hoon KIM, Hyun-Ho KANG, Yong Woo HYUNG, Jang-Il KIM, Eun-Kil PARK, Jeong Soo CHOI, Bo Yeong KIM, Jae-Jin SONG
  • Publication number: 20150187800
    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: Application
    Filed: July 24, 2014
    Publication date: July 2, 2015
    Inventors: Eun-Kil PARK, Hyun-Ho KANG
  • Patent number: 9046713
    Abstract: A liquid crystal display is provided. A liquid crystal display includes: a first substrate; a thin film transistor disposed on the first substrate; and a first electrode disposed on the thin film transistor and connected to an output terminal of the thin film transistor, wherein the first electrode includes a first region and a second region each including a plurality of minute branches separated from each other by open parts, portions of at least two minute branches among the plurality of minute branches are connected to form a plurality of minute plate branches, and wherein the minute plate branch has a wider width than a minute branch.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Il Tae, Sung Hoon Kim, Hyun-Ho Kang, Yong Woo Hyung, Jang-Il Kim, Eun-Kil Park, Jeong Soo Choi, Bo Yeong Kim, Jae-Jin Song
  • Publication number: 20150138470
    Abstract: A liquid crystal display panel is provided. The liquid crystal display panel includes a first substrate comprising a pixel area and a non-pixel area surrounding the pixel area, a thin-film transistor (TFT) disposed on the pixel area of the first substrate and a pixel electrode connected to the TFT, and a plurality of metal wirings disposed on the non-pixel area of the first substrate and one or more dummy patterns disposed adjacent to the metal wirings. The TFT includes a gate electrode, a source electrode, and a drain electrode, and the dummy patterns are formed of a same material as at least one of the gate source, the source electrode, and the drain electrode.
    Type: Application
    Filed: October 13, 2014
    Publication date: May 21, 2015
    Inventors: Hyun Ho KANG, Eun Kil PARK, Hyung June KIM, O Sung SEO, Tae Kyung YIM