Patents by Inventor Sung-Yi Kim

Sung-Yi Kim 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: 10503020
    Abstract: A liquid crystal display including a first substrate and a second substrate facing each other; a liquid crystal layer disposed between the first substrate and the second substrate; a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate; and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate. At least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes a reactive mesogen.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gi Hoon Yang, Sung Yi Kim, Hyun Ku Ahn, Ho Lim, Ji Phyo Hong
  • Patent number: 10073298
    Abstract: A liquid crystal display (LCD) includes a first substrate, a gate line and a data line disposed on the first substrate, a pixel electrode connected to the gate line and the data line, a first alignment layer disposed on the pixel electrode, a second substrate opposite to the first substrate, a common electrode disposed on the second substrate, and a second alignment layer disposed on the common electrode, in which a thickness of the first alignment layer is greater than a thickness of the second alignment layer.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: September 11, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Yi Kim
  • Patent number: 9977288
    Abstract: A liquid crystal display includes: a first insulating substrate, a second insulating substrate, a pixel electrode positioned on the first insulating substrate, a common electrode positioned on the first insulating substrate or the second insulating substrate, a first alignment layer positioned on the first insulating substrate, a second alignment layer positioned on the second insulating substrate, and a liquid crystal layer positioned between the first insulating substrate and the second insulating substrate. The first alignment layer and/or the second alignment layer include an additive and an alignment layer compound having a main chain, and a plurality of side chains connected to the main chain, and at least one of the plurality of side chains includes a vertical alignment group, and a reactive mesogen including two or more photoreactive groups.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ho Lim, Min Su Kim, Sung-Yi Kim, Tae Min Kim, Tae Hoon Kim, Yi Seul Song
  • Patent number: 9904113
    Abstract: An alignment composition is presented that includes an alignment polymer and a reactive mesogen. The alignment polymer includes a polyimide backbone and a vertical alignment side chain combined with the polyimide backbone. The reactive mesogen may be represented by the formula M5-M1-M2-M3-M4 in which M1 represents a divalent organic group including an aromatic ring group, M2 represents M3 represents a single bond, —O—, —O—(CH2)a—O—, or —(CH2)a—O—, wherein “a” represents an integer of 1 to 20, M4 represents an alkenyl group or an alkynyl group having a carbon number of 2 to 20 an alkenylcarbonyl group having a carbon number of 3 to 20, an alkenylcarbonyloxy group having a carbon number of 3 to 20, a an oxotetrahydrofuryl group having —(C?CH2)— substituted for at least one —CH2—, or an epoxy group. M5 represents -M2-M3-M4 or -M3-M4.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: February 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Lim, Tae-Hoon Kim, Sung-Yi Kim, Tae-Min Kim
  • Patent number: 9823514
    Abstract: A liquid crystal display includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate, and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate, wherein at least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes a reactive mesogen.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ho Lim, Sung Yi Kim, Duck Jong Suh, Hyun Ku Ahn, Gi Hoon Yang
  • Publication number: 20170276984
    Abstract: A liquid crystal display device comprising: a first substrate; a first gate line which extends in a first direction; first and second data lines which extend in a second direction different from the first direction and are adjacent to each other; a first pixel which includes a first display area in which a first pixel electrode connected to the first data line is disposed, and a first circuit area in which a first gate electrode connected to the first gate line is disposed; a second pixel which includes a second display area in which a second pixel electrode connected to the second data line is disposed, and a second circuit area in which a second gate electrode connected to the second gate line is disposed; and an opaque conductive pattern which extends in the first direction so as to overlap the first circuit area and the second circuit area.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 28, 2017
    Inventors: Ji Phyo HONG, Sung Yi KIM, Young Gu KIM, Hyun Ku AHN, Gi Hoon YANG, Ho LIM, Suk Kung CHEI
  • Publication number: 20170255061
    Abstract: A liquid crystal display including a first substrate and a second substrate facing each other; a liquid crystal layer disposed between the first substrate and the second substrate; a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate; and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate. At least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes a reactive mesogen.
    Type: Application
    Filed: February 28, 2017
    Publication date: September 7, 2017
    Inventors: GI HOON YANG, SUNG YI KIM, HYUN KU AHN, HO LIM, JI PHYO HONG
  • Patent number: 9746738
    Abstract: A liquid crystal display device including: a first substrate including a first base substrate, a first field-generating electrode disposed on the first base substrate, and a second field-generating electrode disposed on the first field-generating electrode; a second substrate facing the first base substrate and disposed spaced apart from the first substrate; a liquid crystal layer including liquid crystals, in which an electric field is formed by the first field-generating electrode and the second field-generating electrode, being disposed between the first substrate and the second substrate and contacting the second field-generating electrode; and a plurality of first projections disposed between the second field-generating electrode and the liquid crystal layer.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: August 29, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Lim, Sung Yi Kim, Hyun Ku Ahn, Gi Hoon Yang, Suk Kung Chei, Ji Phyo Hong
  • Publication number: 20170235164
    Abstract: A liquid crystal display device including: a first substrate including a first base substrate, a first field-generating electrode disposed on the first base substrate, and a second field-generating electrode disposed on the first field-generating electrode; a second substrate facing the first base substrate and disposed spaced apart from the first substrate; a liquid crystal layer including liquid crystals, in which an electric field is formed by the first field-generating electrode and the second field-generating electrode, being disposed between the first substrate and the second substrate and contacting the second field-generating electrode; and a plurality of first projections disposed between the second field-generating electrode and the liquid crystal layer.
    Type: Application
    Filed: July 11, 2016
    Publication date: August 17, 2017
    Inventors: Ho LIM, Sung Yi KIM, Hyun Ku AHN, Gi Hoon YANG, Suk Kung CHEI, Ji Phyo HONG
  • Publication number: 20170068133
    Abstract: A liquid crystal display includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate, and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate, wherein at least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes a reactive mesogen.
    Type: Application
    Filed: March 17, 2016
    Publication date: March 9, 2017
    Inventors: Ho LIM, Sung Yi KIM, Duck Jong SUH, Hyun Ku AHN, Gi Hoon YANG
  • Publication number: 20160274389
    Abstract: A liquid crystal display (LCD) includes a first substrate, a gate line and a data line disposed on the first substrate, a pixel electrode connected to the gate line and the data line, a first alignment layer disposed on the pixel electrode, a second substrate opposite to the first substrate, a common electrode disposed on the second substrate, and a second alignment layer disposed on the common electrode, in which a thickness of the first alignment layer is greater than a thickness of the second alignment layer.
    Type: Application
    Filed: March 16, 2016
    Publication date: September 22, 2016
    Inventor: Sung-Yi KIM
  • Publication number: 20160103367
    Abstract: Provided are liquid crystal display (LCD) panels. The LCD panel of one embodiment comprises a first substrate; a second substrate which faces the first substrate; a liquid crystal layer which is interposed between the first substrate and the second substrate; and a liquid crystal alignment layer which is interposed between the liquid crystal layer and at least one of the first substrate and the second substrate and comprises one or more electron-pair donors selected from the group consisting of alky amine, aryl amine, heterocyclic amine, furan, and thiophene.
    Type: Application
    Filed: April 3, 2015
    Publication date: April 14, 2016
    Inventors: Hyun ku AHN, Sung Yi KIM, Tae min KIM, Tae hoon KIM
  • Publication number: 20160032190
    Abstract: A composition for aligning includes a macromolecular compound and a reactive mesogen. The macromolecular compound is formed by a condensation polymerization reaction of a dianhydride monomer, and a diamine monomer including a photo reactive group. Thus, the composition for aligning includes the reactive mesogen, so that the reactive mesogen is not included in a liquid crystal layer.
    Type: Application
    Filed: March 2, 2015
    Publication date: February 4, 2016
    Inventors: Ho LIM, Sung-Yi KIM, Tae-Min KIM, Tae-Hoon KIM
  • Publication number: 20160033824
    Abstract: An alignment composition an alignment composition includes an alignment polymer and a reactive mesogen. The alignment polymer includes a polyimide backbone and a vertical alignment side chain combined with the polyimide backbone. The reactive mesogen may be represented by the following Chemical Formula 1. <Chemical Formula 1> M5-M1-M2-M3-M4 In Chemical Formula 1, M1 represents a divalent organic group including an aromatic ring group. M2 represents M3 represents a single bond, —O—, —O—(CH2)a—O—, or —(CH2)a—O—, wherein “a” represents an integer of 1 to 20.
    Type: Application
    Filed: July 29, 2015
    Publication date: February 4, 2016
    Inventors: Ho LIM, Tae-Hoon KIM, Sung-Yi KIM, Tae-Min KIM
  • Patent number: 9229274
    Abstract: The present invention discloses an alignment substrate that includes a base substrate and an alignment layer arranged on the base substrate. A plurality of unit pixels is defined in the base substrate. The alignment layer includes at least two sub-alignment portions dividing the unit pixel into at least two domains. Each sub-alignment portion is arranged in a different domain of the at least two domains and is aligned to have a different pretilt direction from the other sub-alignment portions.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: January 5, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Shin, Baek-Kyun Jeon, Kyoung-Tae Kim, Bong-Sun Seo, Mee-Hye Jung, Young-Gu Kim, Min-Sik Jung, Byoung-Hun Sung, Jeong-Hye Choi, Sung-Yi Kim
  • Publication number: 20150293408
    Abstract: A liquid crystal display includes: a first insulating substrate, a second insulating substrate, a pixel electrode positioned on the first insulating substrate, a common electrode positioned on the first insulating substrate or the second insulating substrate, a first alignment layer positioned on the first insulating substrate, a second alignment layer positioned on the second insulating substrate, and a liquid crystal layer positioned between the first insulating substrate and the second insulating substrate.
    Type: Application
    Filed: October 15, 2014
    Publication date: October 15, 2015
    Inventors: Ho LIM, Min Su KIM, Sung-Yi KIM, Tae Min KIM, Tae Hoon KIM, Yi Seul SONG
  • Publication number: 20140285759
    Abstract: A photoalignment method includes irradiating light in a first direction to a first alignment layer, and irradiating light in a second direction opposite the first direction, after disposing a first mask on the first alignment layer.
    Type: Application
    Filed: June 6, 2014
    Publication date: September 25, 2014
    Inventors: Suk-Hoon KANG, Baek-Kyun JEON, Jun-Woo LEE, Tae-Ho KIM, Sung-Yi KIM, Soo-Ryun CHO
  • Patent number: 8823910
    Abstract: A display panel includes a lower substrate, an upper substrate and a liquid crystal layer. The liquid crystal layer includes a plurality of domains, a horizontal domain boundary texture area and a vertical domain boundary texture area. The domains are disposed in a matrix shape. The horizontal domain boundary texture area extends in a first direction in a boundary between the domains adjacent to each other in a second direction and has a slope of a liquid crystal slowly (e.g., less) inclined compared to that of the domains. The vertical domain boundary texture area extends in the second direction in a boundary between the domains adjacent to each other in the first direction and has a width larger than that of the horizontal domain boundary texture area.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Soo Jung, Baek-Kyun Jeon, Jun-Woo Lee, Hyun-Ku Ahn, Yong-Hwan Shin, Byoung-Hun Sung, Sung-Yi Kim
  • Patent number: 8767154
    Abstract: A photoalignment method includes irradiating light in a first direction to a first alignment layer, and irradiating light in a second direction opposite the first direction, after disposing a first mask on the first alignment layer.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: July 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk-Hoon Kang, Baek-Kyun Jeon, Jun-Woo Lee, Tae-Ho Kim, Sung-Yi Kim, Soo-Ryun Cho
  • Patent number: 8608976
    Abstract: A photo alignment material includes a photo alignment polymer and an organic solvent. The photo alignment polymer is prepared by polymerizing a diamine monomer including at least two photo reactive parts represented by the following Chemical Formula 1. In Chemical Formula 1, R1 represents —(CH2)n—, —O(CH2)n— or R2, R3 and R4 each independently represent —H, —O(CH2)m—1—CH3 or and n and m independently represent an integer of from 1 to 8. Thus, change of the orientation of the alignment layer due to the action of an electric stress may be prevented and/or reduced. Therefore, an after—image may be reduced, and display quality is improved.
    Type: Grant
    Filed: March 10, 2009
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoi-Lim Kim, Hyun-Ku Ahn, Jun-Woo Lee, Sung-Yi Kim