Patents by Inventor Sun Young Kwon

Sun Young 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: 20190085242
    Abstract: A liquid crystal composition includes: at least one liquid crystal compound selected from the group consisting of Chemical Formulas 1-1 to 1-8; at least one self-aligned compound selected from the group consisting of Chemical Formulas 2-1 and 2-2; and at least one reactive mesogen selected from the group consisting of Chemical Formulas 3-1 to 3-5. Compositions and devices constructed therewith are capable of ameliorating liquid crystal drip spots that typically occur in a manufacturing process. In addition, the display devices using the composition do not require an additional alignment layer, which simplifies manufacturing.
    Type: Application
    Filed: August 23, 2018
    Publication date: March 21, 2019
    Inventors: Ji Eun JANG, Sun Young KWON, Min-Hee KIM, Jong Ho SON, Keun Chan OH, Chang-Hun LEE
  • Publication number: 20180342219
    Abstract: A display device including a liquid crystal panel assembly including a plurality of pixels, a data driver applying a data voltage to a plurality of data lines which is connected to the plurality of pixels, and a common voltage generator providing a common voltage to the liquid crystal panel assembly, in which the common voltage is an optimal common voltage for a maximum grayscale at which a flicker is minimized while a data voltage with a maximum grayscale is applied to the plurality of pixels.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 29, 2018
    Inventors: Joon-Hyung Park, Sun Young Kwon, Min-Hee Kim, Ji Hong Bae, Jong Ho Son, Keun Chan Oh, Kyung Hee Lee, Kang Seob Jeong, Kyung Seon Tak
  • Patent number: 10119074
    Abstract: A liquid crystal composition includes a compound having a structure represented by formula A-1: wherein RA1 is an alkyl group, an alkoxy group, a cyano group, a halogen atom, or a hydrogen atom, RA2 is an alkyl group, a cyano group, a halogen atom, or a hydrogen atom, ZA is *—O—*, *—COO—*, *—OCO—*, *—CF2O—*, *—OCF2—*, *—CH2O—*, *—OCH2—*, *—SCH2—*, *—CH2S—*, *—C2F4—*, *—CH2CF2—*, *—CF2CH2—*, *—(CH2)k—*, *—CH?CH—*, *—CF?CF—*, *—CH?CF—*, *—CF?CH—*, *—C?C—*, *—CH?CHCH2O—*, or a single bond, X is a halogen atom, each of l1 and l2 is independently an integer of 0 to 2, and when l1 is 2 and ZA in a repeating unit defined by l1 are the same or different, wherein k is an integer of 1 to 5 and “*” indicates a point of attachment.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Eun Jang, Sun Young Kwon, Tae Hoon Kim, Jong Ho Son, Keun Chan Oh, Won Gap Yoon, Gak Seok Lee, Jin Hyeong Lee, Chang Hun Lee
  • Patent number: 10106739
    Abstract: A liquid crystal composition includes one or more compounds represented by Chemical Formula 1. In Chemical Formula 1, are a cyclohexane or tetrahydropyran, and R1 and R2 are each independently hydrogen, a C1 to C8 alkyl group, a C2 to C8 alkenyl group, or a C1 to C8 alkoxy group.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Young Kwon, Fusayuki Takeshita, Keun Chan Oh
  • Patent number: 10100250
    Abstract: A liquid crystal display including a first substrate, a second substrate overlapping with the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate, wherein the liquid crystal layer includes a liquid crystal compound represented by Formula 1 and a liquid crystal stabilizing agent: wherein A, B, n1, n2, R, R?, Z1, and Z2 are the same as described in the specification.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: October 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Young Kwon, Ji Hong Bae, Keun Chan Oh, Seul Gee Lee, Jin Hyeong Lee
  • Patent number: 10062346
    Abstract: A display device including: a liquid crystal panel assembly including pixels; a data driver applying a data voltage to lines which is connected to the pixels; and a common voltage generator providing voltage to the liquid crystal panel assembly, in which the voltage is an optimal voltage for a maximum grayscale at which a flicker is minimized while a maximum grayscale is applied to the pixels, the data driver applies the data voltage with the minimum grayscale to the data lines so that a negative data voltage with a minimum grayscale is higher than the common voltage by a first voltage level or more, and each of the pixels includes a first subpixel and a second subpixel, and when the data voltage is applied to the pixel, a pixel voltage of the first subpixel and a pixel voltage of the second subpixel are different.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: August 28, 2018
    Assignee: Samsung Display Co., Ltd
    Inventors: Joon-Hyung Park, Sun Young Kwon, Min-Hee Kim, Ji Hong Bae, Jong Ho Son, Keun Chan Oh, Kyung Hee Lee, Kang Seob Jeong, Kyung Seon Tak
  • Publication number: 20180171230
    Abstract: A liquid crystal display includes a first base substrate, a second base substrate facing the first base substrate, and an electrode unit disposed on at least one of the first base substrate and the second base substrate. A liquid crystal layer is positioned between the first base substrate and the second base substrate and includes a liquid crystal composition. The liquid crystal composition includes at least one of a liquid crystal compound represented by Chemical Formula 1, at least one of a liquid crystal compound represented by Chemical Formula 2-A, and at least one of a liquid crystal compound represented by Chemical Formula 2-B.
    Type: Application
    Filed: July 12, 2017
    Publication date: June 21, 2018
    Inventors: SUN YOUNG KWON, JI EUN JANG, JONG HO SON, KEUN CHAN OH, CHANG HUN LEE
  • Publication number: 20180086981
    Abstract: A liquid crystal composition includes a compound having a structure represented by formula A-1: wherein RA1 is an alkyl group, an alkoxy group, a cyano group, a halogen atom, or a hydrogen atom, RA2 is an alkyl group, a cyano group, a halogen atom, or a hydrogen atom, ZA is *—O—*, *—COO—*, *—OCO—*, *—CF2O—*, *—OCF2—*, *—CH2O—*, *—OCH2—*, *—SCH2—*, *—CH2S—*, *—C2F4—*, *—CH2CF2—*, *—CF2CH2—*, *—(CH2)k—*, *—CH?CH—*, *—CF?CF—*, *—CH?CF—*, *—CF?CH—*, *—C?C—*, *—CH?CHCH2O—*, or a single bond, X is a halogen atom, each of l1 and l2 is independently an integer of 0 to 2, and when l1 is 2 and ZA in a repeating unit defined by l1 are the same or different, wherein k is an integer of 1 to 5 and “*” indicates a point of attachment.
    Type: Application
    Filed: February 1, 2017
    Publication date: March 29, 2018
    Inventors: Ji Eun JANG, Sun Young KWON, Tae Hoon KIM, Jong Ho SON, Keun Chan OH, Won Gap YOON, Gak Seok LEE, Jin Hyeong LEE, Chang Hun LEE
  • Publication number: 20180046032
    Abstract: A liquid crystal display including a first substrate, a second substrate disposed opposite the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The liquid crystal layer includes a liquid crystal composition. The liquid crystal composition includes at least one of liquid crystal compounds including a cyclopentadienyl group.
    Type: Application
    Filed: April 14, 2017
    Publication date: February 15, 2018
    Inventors: SUN YOUNG KWON, Tae Hoon Kim, Ji Hong Bae, Jong Ho Son, Keun Chan Oh, Gak Seok Lee, Chang Hun Lee, Ji Eun Jang
  • Publication number: 20170357130
    Abstract: A liquid crystal display device comprises: a first substrate; an organic layer disposed on the first substrate; a pixel electrode disposed on the organic layer; a plurality of slits defined in the pixel electrode and configured to exposed a surface of the organic layer; a liquid crystal alignment film disposed on a surface of the pixel electrode and on the surface of the organic layer exposed by the plurality of slits; and a plurality of liquid crystal molecules disposed on the liquid crystal alignment film, wherein the liquid crystal alignment film includes a first region overlapping the plurality of slits and a second region overlapping the pixel electrode, wherein the second region has a surface energy different from a surface energy of the first region.
    Type: Application
    Filed: April 11, 2017
    Publication date: December 14, 2017
    Inventors: Jong Ho SON, Sun Young KWON, Tae Hoon KIM, Kyung Hae PARK, Joon Hyung PARK, Ji Hong BAE, Gak Seok LEE, Jin Hyeong LEE, Chang Hun LEE, Ji Eun JANG, Hye Lim JANG
  • Publication number: 20170260452
    Abstract: A liquid crystal display including a first substrate, a second substrate overlapping with the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate, wherein the liquid crystal layer includes a liquid crystal compound represented by Formula 1 and a liquid crystal stabilizing agent: wherein A, B, n1, n2, R, R?, Z1, and Z2 are the same as described in the specification.
    Type: Application
    Filed: October 18, 2016
    Publication date: September 14, 2017
    Inventors: Sun Young KWON, Ji Hong BAE, Keun Chan OH, Seul Gee LEE, Jin Hyeong LEE
  • Publication number: 20170101580
    Abstract: A liquid crystal composition includes at least one first compound represented by Formula I: wherein each of L1 to L8 are independently a hydrogen or a fluorine; is a cyclohexyl group, a phenyl group, tetrahydropyran, 1,3-dioxane, a fluorocyclohexyl group, a fluorophenyl group, fluorotetrahydropyran, or fluoro-1,3-dioxane; n is 0 to 2, and when n=2, each is independently a cyclohexyl group, a phenyl group, tetrahydropyran, 1,3-dioxane, a fluorocyclohexyl group, a fluorophenyl group, fluorotetrahydropyran, or fluoro-1,3-dioxane; each of R1 and R2 is independently a C1˜2 alkyl group; and R? is hydrogen, a C1˜5 alkyl group, a C2˜5 alkenyl group, or a C1˜5 alkoxy group.
    Type: Application
    Filed: March 18, 2016
    Publication date: April 13, 2017
    Inventors: Sun Young KWON, Keun Chan OH
  • Patent number: 9617475
    Abstract: A liquid crystal composition includes at least one first compound represented by Formula I: wherein each of L1 to L8 are independently a hydrogen or a fluorine; is a cyclohexyl group, a phenyl group, tetrahydropyran, 1,3-dioxane, a fluorocyclohexyl group, a fluorophenyl group, fluorotetrahydropyran, or fluoro-1,3-dioxane; n is 0 to 2, and when n=2, each is independently a cyclohexyl group, a phenyl group, tetrahydropyran, 1,3-dioxane, a fluorocyclohexyl group, a fluorophenyl group, fluorotetrahydropyran, or fluoro-1,3-dioxane; each of R1 and R2 is independently a C1˜2 alkyl group; and R? is hydrogen, a C1˜5 alkyl group, a C2˜5 alkenyl group, or a C1˜5 alkoxy group.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: April 11, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Young Kwon, Keun Chan Oh
  • Patent number: 9605206
    Abstract: A liquid crystal composition includes a first class including a first compound represented by Chemical Formula 1, wherein the first compound is 13 to 18 parts by weight based on 100 parts by weight of the total liquid crystal composition, and a second compound represented by Chemical Formula 2, wherein the second compound is 8 to 13 parts by weight based on 100 parts by weight of the total liquid crystal composition, a second class including a third compound represented by Chemical Formula 3. Chemical Formulas 1, 2, and 3 are represented by: and wherein R and R? are, independently of each other, a hydrogen atom, or an unsubstituted or substituted C1 to C7 alkyl group.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: March 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Seob Jeong, Kyung Seon Tak, Min-Hee Kim, Kyung Hee Lee, Sun Young Kwon, Joon-Hyung Park, Ji Hong Bae, Jong Ho Son, Keun Chan Oh
  • Patent number: 9605205
    Abstract: A liquid crystal composition includes one or more compounds represented by Chemical Formula 1: wherein in Chemical Formula 1, A1, A2, L1 to L8, R, R?, Z1 to Z3, n1, and n2 are the same as described in the specification.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: March 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Hee Lee, Sun Young Kwon, Ji Hong Bae, Keun Chan Oh
  • Publication number: 20170081587
    Abstract: A liquid crystal composition includes a first compound expressed by Chemical Formula I, In Chemical Formula is at least one of a cyclohexyl group and phenyl group, is at least one of a cyclohexyl group and a phenyl group, each of n and m is a natural number of 1 to 4, n+m is 2 to 5, and R is at least one of a C1-10 alkyl group, a C2-10 alkenyl group, and a C1-10 alkoxy group.
    Type: Application
    Filed: March 18, 2016
    Publication date: March 23, 2017
    Inventors: Jin Hyeong LEE, Sun Young KWON, Ji Hong BAE, Keun Chan OH, Kyung Hee LEE, Seul Gee LEE
  • Publication number: 20170031213
    Abstract: A liquid crystal display including: a first insulation substrate; a first alignment layer disposed on the first insulation substrate; a second insulation substrate facing the first insulation substrate; a second alignment layer disposed on a surface of the second insulation substrate facing the first insulation substrate; and a liquid crystal layer including liquid crystal molecules and disposed between the first alignment layer and the second alignment layer, wherein the liquid crystal molecules include at least one of a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2:
    Type: Application
    Filed: January 22, 2016
    Publication date: February 2, 2017
    Inventor: Sun Young KWON
  • Publication number: 20170029699
    Abstract: A liquid crystal composition includes one or more compounds represented by Chemical Formula 1: wherein in Chemical Formula 1, A1, A2, L1 to L8, R, R?, Z1 to Z3, n1, and n2 are the same as described in the specification.
    Type: Application
    Filed: March 17, 2016
    Publication date: February 2, 2017
    Inventors: Kyung Hee LEE, Sun Young KWON, Ji Hong BAE, Keun Chan OH
  • Publication number: 20170015904
    Abstract: A liquid crystal composition includes a first compound represented by Chemical Formula 1. In Chemical Formula 1, R1 is an alkyl group having a carbon number of 1 to 10 or a cycloalkyl group having a total carbon number of 3 to 16, and R2 is an alkoxy group having a carbon number of 1 to 10. The liquid crystal composition does not include a compound having an alkenyl as a substituent group, and the liquid crystal composition does not include a compound represented by Chemical Formula 4. In Chemical Formula 4, R5 and R5? are independently an alkyl group having a carbon number of 1 to 10 or an alkoxy group having a carbon number of 1 to 10.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 19, 2017
    Inventors: Soon Joon Rho, Sun Young Kwon, Kyung Min Kim, Se Ran Kim, Si Heun Kim, Hoi-Lim Kim, Beom-Soo Shin, Keun Chan Oh, Hye Kim Jang
  • Publication number: 20160348002
    Abstract: A liquid crystal composition includes one or more compounds represented by Chemical Formula 1. In Chemical Formula 1, are a cyclohexane or tetrahydropyran, and R1 and R2 are each independently hydrogen, a C1 to C8 alkyl group, a C2 to C8 alkenyl group, or a C1 to C8 alkoxy group.
    Type: Application
    Filed: April 5, 2016
    Publication date: December 1, 2016
    Inventors: Sun Young KWON, Fusayuki TAKESHITA, Keun Chan OH