Patents by Inventor Sung-Joon Min

Sung-Joon Min 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: 20200208055
    Abstract: A polymer having excellent liquid crystal alignment and electrical properties and thus is suitable for use as a liquid crystal alignment agent, a liquid crystal alignment agent including the same, a liquid crystal alignment film formed from the liquid crystal alignment agent, and a liquid crystal display device including the liquid crystal alignment film are provided.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 2, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Soon Ho KWON, Seongku KIM, Sung Joon MIN, Hang Ah PARK, Jun Young YOON, Jung Ho JO
  • Publication number: 20200181495
    Abstract: The present invention relates to a liquid crystal aligning agent composition for producing a liquid crystal alignment film having improved film strength together with liquid crystal alignment properties, a method for producing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.
    Type: Application
    Filed: June 26, 2018
    Publication date: June 11, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sang Mi LEE, Hee HAN, Jung Ho JO, Sung Joon MIN, Hang Ah PARK, Soon Ho KWON, Jun Young YOON, Hyeong Seuk YUN, Seongku KIM, Hoonseo PARK
  • Publication number: 20200165521
    Abstract: A polymer having excellent liquid crystal alignment and electrical properties and thus is suitable for use as a liquid crystal alignment agent, a liquid crystal alignment agent including the same, a liquid crystal alignment film formed from the liquid crystal alignment agent, and a liquid crystal display device including the liquid crystal alignment film are provided.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 28, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Soon Ho KWON, Jung Ho JO, Sung Joon MIN, Hang Ah PARK, Jun Young YOON
  • Publication number: 20200165522
    Abstract: A liquid crystal alignment agent composition for producing a liquid crystal alignment film having enhanced alignment property and stability and a high voltage holding ratio, a method of producing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same, are provided.
    Type: Application
    Filed: October 10, 2018
    Publication date: May 28, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Soon Ho KWON, Seongku KIM, Sung Joon MIN, Hoonseo PARK, Hyeong Seuk YUN, Sang Mi LEE, Jung Ho JO
  • Patent number: 10663825
    Abstract: The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a frequency and/or level of an applied voltage. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 26, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sung Joon Min, Jung Sun You, Jung Woon Kim, Jin Hong Kim, Dong Hyun Oh
  • Patent number: 10663828
    Abstract: The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a level of an applied voltage at a fixed frequency. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 26, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sung Joon Min, Jung Sun You, Jung Woon Kim, Jin Hong Kim, Dong Hyun Oh
  • Publication number: 20200040258
    Abstract: The present invention relates to a polymer which is excellent in terms of liquid crystal alignment property, durability, and electrical characteristics, and thus is suitable for use in a liquid crystal aligning agent, a liquid crystal aligning agent composition including the same, a liquid crystal alignment film formed from the liquid crystal aligning agent composition, and a liquid crystal display device including the liquid crystal alignment film.
    Type: Application
    Filed: August 16, 2018
    Publication date: February 6, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Seongku KIM, Hee HAN, Jung Ho JO, Sung Joon MIN, Soon Ho KWON, Jun Young YOON, Hyeongseuk YUN, Hoonseo PARK
  • Publication number: 20200002615
    Abstract: A liquid crystal alignment film comprising a polymer, having an excellent alignment property, stability, and high film strength, and thus exhibiting excellent durability and a high residual image characteristic, and a liquid crystal display device using the liquid crystal alignment film.
    Type: Application
    Filed: September 21, 2018
    Publication date: January 2, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Hyeong Seuk YUN, Sung Joon MIN, Jun Young YOON, Jung Ho JO
  • Publication number: 20200002478
    Abstract: The present invention relates to a polymer having excellent liquid crystal alignment and electrical properties and thus is suitable for use as a liquid crystal alignment agent, a liquid crystal alignment agent containing the same, a liquid crystal aligning film formed from the liquid crystal alignment agent, and a liquid crystal display device containing the liquid crystal aligning film.
    Type: Application
    Filed: May 14, 2018
    Publication date: January 2, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Soon Ho KWON, Kichul KOO, Jung Ho JO, Sung Joon MIN, Sang Mi LEE, Jun Young YOON, Hyeong Seuk YUN, Yoon Bin LIM
  • Publication number: 20190390116
    Abstract: The present invention relates to a liquid crystal aligning agent composition capable of securing a high imidization rate under relatively mild curing conditions, minimizing side reactions and thus having excellent stability, a method for producing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 26, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Jung Ho JO, Hee HAN, Sung Joon MIN, Hang Ah PARK, Sang Mi LEE, Soon Ho KWON, Jun Young YOON, Hyeong Seuk YUN, Seongku KIM
  • Patent number: 10509273
    Abstract: A display element, a method for manufacturing the same, and a use thereof are provided. The display element can induce a decrease in driving voltage without reducing a difference in a cell gap, have durability by ensuring proper adhesion characteristics, and, specifically, can effectively overcome a problem of the display element including a vertical alignment adhesive layer, in particular, a problem of increasing driving voltage, which can be generated when the thickness is increased so as to improve the adhesion characteristics.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: December 17, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jung Sun You, Yoon Kyung Kwon, Dong Hyun Oh, Sung Joon Min, Jin Hong Kim, Jung Woon Kim, Eun Jung Lim
  • Patent number: 10473995
    Abstract: A liquid crystal device and the use thereof are provided. The liquid crystal device has an advantage in terms of power consumption since a normally transparent mode may be realized in a state in which an external electric field is not applied, and can exhibit an excellent light blocking characteristic when an external electric field is applied.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: November 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jin Hong Kim, Dong Hyun Oh, Sung Joon Min, Jung Sun You, Jung Woon Kim, Eun Jung Lim
  • Patent number: 10423023
    Abstract: A method of preparing a liquid crystal capsule and the use of the liquid crystal capsule. The liquid crystal capsule has advantages in that transmittance and stability are improved and the degree of scattering is uniform.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: September 24, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Dong Hyun Oh, Sung Joon Min, Jung Sun You, Kyung Jun Kim
  • Publication number: 20190256778
    Abstract: The present invention relates to a liquid crystal aligning agent composition for forming a liquid crystal alignment film exhibiting excellent alignment and electrical characteristics and simultaneously having excellent film strength, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.
    Type: Application
    Filed: August 9, 2018
    Publication date: August 22, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Seongku KIM, Hee HAN, Jung Ho JO, Sung Joon MIN, Sang Mi LEE, Soon Ho KWON, Jun Young YOON, Hyeong Seuk YUN, Hoonseo PARK
  • Patent number: 10370591
    Abstract: Provided are a liquid crystal device, a composition capable of forming a liquid crystal layer, a method of manufacturing the liquid crystal device, a system for manufacturing the liquid crystal device, and a use of the liquid crystal device. The liquid crystal device is a device capable of exhibiting, for example, a normally white or black mode, exhibiting a high contrast ratio, driven with a low driving voltage, and exhibiting excellent durability such as thermal stability. Such a liquid crystal device may be applied to various optical modulators such as a smart window, a window protective film, a flexible display device, an active retarder for displaying 3D images, or a viewing angle control film.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 6, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Joon Min, Jung Sun You, Dong Hyun Oh
  • Patent number: 10329485
    Abstract: A liquid crystal device, a precursor composition, a method of manufacturing a liquid crystal device, an apparatus of manufacturing a liquid crystal device, and use of the liquid crystal device are provided. A device capable of being driven at a low driving voltage can be provided. The device can be realized so that the device can be driven in a normally transparent mode or a normally black mode. Also, the device has other excellent characteristics such as a contrast ratio. Such a liquid crystal device can be applied to various light modulation devices such as smart windows, window-protecting films, flexible display devices, active retarders for displaying 3D images, or viewing angle-adjusting films.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: June 25, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Joon Min, Dong Hyun Oh, Jung Sun You, Jin Hong Kim
  • Publication number: 20190049798
    Abstract: The present invention provides a liquid crystal alignment film not only having an excellent alignment property and stability, but also having high film strength, and thus exhibiting excellent durability and a high residual image property, a method for preparing the same, and a liquid crystal display device using the same.
    Type: Application
    Filed: October 18, 2018
    Publication date: February 14, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Hyeong Seuk YUN, Jung Ho JO, Sung Joon MIN, Hee HAN, Hang Ah PARK, Sang Mi LEE, Soon Ho KWON, Jun Young YOON
  • Patent number: 10203539
    Abstract: The present invention relates to a liquid crystal device, a method of manufacturing the liquid crystal device, and the use of the liquid crystal device. The liquid crystal device according to the present invention has excellent light shielding rate variability characteristics. Such a liquid crystal device can be applied to various optical modulation devices such as a smart window, a window protection film, a flexible display device, an active retarder for displaying a 3D image, or a viewing angle adjustment film.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: February 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Sung Joon Min, Jung Sun You, Jin Hong Kim, Eun Jung Lim, Dong Hyun Oh
  • Publication number: 20180373099
    Abstract: The present invention provides a liquid crystal alignment film not only having an excellent alignment property and stability, but also having high film strength, and thus exhibiting excellent durability and a high residual image property, a method for preparing the same, and a liquid crystal display device using the same.
    Type: Application
    Filed: November 23, 2017
    Publication date: December 27, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Hyeong Seuk YUN, Jung Ho JO, Sung Joon MIN, Hee HAN, Hang Ah PARK, Sang Mi LEE, Soon Ho KWON, Jun Young YOON
  • Publication number: 20180373068
    Abstract: The present application relates to a liquid crystal device. The liquid crystal device of the present application may realize a transparent white state, a transparent black state and a scattering state according to a frequency and/or level of an applied voltage. The liquid crystal device may be applied to, for example, a window of a vehicle, a smart window, a window protective film, a display, a light cutoff panel for a display, an active retarder for a 3D image display or a viewing angle controlling film.
    Type: Application
    Filed: March 31, 2016
    Publication date: December 27, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sung Joon Min, Jung Sun You, Jung Woon Kim, Jin Hong Kim, Dong Hyun Oh