Patents by Inventor Su-Young Ryu

Su-Young Ryu 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: 20220183145
    Abstract: The present invention relates to an electrical device including a printed circuit board (PCB) accommodated in a case, and more particularly, to an air-pocket prevention PCB, an air-pocket prevention PCB module, an electrical device including the same, and a manufacturing method of an electrical device including the same with improved fluidity of a resin material so that air pockets that may occur when the case is filled with the resin material are easily discharged and the resin material may be evenly filled inside the case.
    Type: Application
    Filed: October 13, 2021
    Publication date: June 9, 2022
    Inventors: Jun Kyu Lee, Jeong Man Han, Su Young Kim, Yong Woo Kang, Sang Keun Ji, Dong Kyun Ryu
  • Publication number: 20220183161
    Abstract: The present invention relates to an electrical device including a printed circuit board (PCB) module accommodated in a case, and more particularly, to an electrical device having a heat dissipation structure using a filler that reduces heat generation outside a case while increasing a heat dissipation efficiency of a PCB module by using the filler filled in the case, and a manufacturing method of the same.
    Type: Application
    Filed: August 10, 2021
    Publication date: June 9, 2022
    Inventors: Jun Kyu Lee, Jeong Man Han, Su Young Kim, Yong Woo Kang, Sang Keun Ji, Dong Kyun Ryu
  • Patent number: 11300837
    Abstract: The present application relates to a method of applying particles, an optical film and a method of manufacturing an active liquid crystal device. In the method of applying particles of the present application, the particles can be uniformly applied on a base material and fixed while maintaining the shape of particles. The optical film of the present invention produced by the above method can have excellent particle dispersity. A method of manufacturing an active liquid crystal device using the above method can maintain a cell gap uniformly while simplifying the manufacturing process and preventing gravity defects.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: April 12, 2022
    Inventors: Su Young Ryu, Jung Woon Kim, Tae Gyun Kwon, Moon Soo Park
  • Patent number: 11194194
    Abstract: An optical device is disclosed herein. In some embodiments, an optical device includes an active liquid crystal element, wherein the active liquid crystal element comprises two base layers, an active liquid crystal layer disposed between the two base layers, wherein the active liquid crystal layer includes a liquid crystal compound and is capable of switching between first and second oriented states, and a hard coating layer formed on one of the base layers, wherein the hard coating layer is formed on an active liquid crystal layer-facing surface or an opposite surface of the base layer, and wherein the hard coating layer having a thickness of 2 ?m or more. The optical device is capable of varying transmittance, and can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a vehicle sunroof.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 7, 2021
    Inventors: Jung Woon Kim, Su Young Ryu, Tae Yong Kim, Doo Young Huh, Byoung Kun Jeon, Sang Uk Ryu
  • Publication number: 20210325706
    Abstract: An optical device includes a first outer substrate; a second outer substrate disposed opposite to the first outer substrate; and an active liquid crystal film or a polarizer, wherein the active liquid crystal film or the polarizer is encapsulated by an encapsulating agent between the first and second outer substrates and wherein a shrinkable film adjacent to any one of the first and second outer substrates is further included. The optical device is capable of varying transmittance. The optical device can be used for various applications such as an eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewears, an outer wall of a building or a sunroof for a vehicle.
    Type: Application
    Filed: September 3, 2019
    Publication date: October 21, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon KIM, Byoung Kun JEON, Beom Jin LEE, In Ju MUN, Su Young RYU, Seong Min LEE, Young Shin LEE, Nam Hun KIM
  • Publication number: 20210223602
    Abstract: An optical device is provided in the present application. The optical device of the present application has varying transmittance and improved appearance defects, such as reduction of wrinkles that may occur by lamination of a liquid crystal element and an outer substrate. Such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Application
    Filed: July 18, 2019
    Publication date: July 22, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Nam Hun Kim, Byoung Kun Jeon, Doo Young Huh, Su Young Ryu, Seong Min Lee, Jung Woon Kim, Young Shin Lee
  • Publication number: 20210157196
    Abstract: An optical device and a use thereof are provided. The optical device is capable of suppressing external bubble inflow by eliminating negative pressures that can occur due to shape deformation of a base material in an environment changing between a high temperature and a low temperature and generating a positive pressure. Such optical device can be used as various transmittance-variable devices.
    Type: Application
    Filed: April 24, 2019
    Publication date: May 27, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Nam Hun Kim, Jung Woon Kim, In Ju Mun, Su Young Ryu, Byoung Kun Jeon
  • Publication number: 20210018772
    Abstract: An optical device is provided in the present application. The present application provides an optical device capable of varying transmittance, and such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 21, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Nam Hun Kim, Seong Min Lee, Byoung Kun Jeon, Su Young Ryu, Jung Woon Kim, Young Shin Lee
  • Patent number: 10890806
    Abstract: The present application relates to a transmittance variable film, a method for producing the same, and a use thereof. The transmittance variable film of the present application can solve the drive unevenness phenomenon by adjusting the pre-tilt of the opposite alignment film of the alignment film to which the ball spacer is fixed to minimize the reverse tilt occurring upon on-off driving. The transmittance variable film of the present application can be used as sunroofs.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: January 12, 2021
    Inventors: Jung Woon Kim, Su Young Ryu, Byoung Kun Jeon, Moon Soo Park
  • Patent number: 10890793
    Abstract: The liquid crystal film cell of the present application can control expansion of a base film at a high temperature by applying an expansion control layer having a high-temperature expansion coefficient different from that of the base film thereto, thereby effectively maintaining a cell gap at a high temperature, whereby high-temperature durability can be improved and gravity defects can be eliminated.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: January 12, 2021
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park, Seong Min Lee, Ji Hoon Park
  • Publication number: 20200310185
    Abstract: A transmittance-variable layer and a transmittance-variable device including the same are disclosed herein. In some embodiments, a transmittance-variable device includes a polarization layer and a transmittance-variable layer disposed on the polarization layer, wherein the transmittance-variable layer includes a first base layer disposed on the polarization layer and a spacer fixed on a surface of the first base layer opposite to the polarization layer, and a second base layer facing the first base layer and spaced apart from the first base layer by the first spacer, wherein the first spacer maintains a gap between the first and second base layers, and a first light modulating material disposed in the gap.
    Type: Application
    Filed: November 28, 2018
    Publication date: October 1, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Byoung Kun Jeon, Yong Sung Choi, Seong Min Lee, Hye Min Yu
  • Publication number: 20200241338
    Abstract: The present application relates to an optical device. The present application provides an optical device capable of varying transmittance, and such an optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a vehicle sunroof.
    Type: Application
    Filed: August 29, 2018
    Publication date: July 30, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Tae Yong Kim, Doo Young Huh, Byoung Kun Jeon, Sang Uk Ryu
  • Patent number: 10718980
    Abstract: The present invention relates to a liquid crystal window, a method of manufacturing the same, an optical element comprising the liquid crystal window, and a use thereof. The liquid crystal window of the present invention and its manufacturing method have excellent fixing property of a spacer and thus excellent cell gap maintaining characteristics, and can effectively prevent thermal damage of a base layer and be economical in manufacturing processes.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 21, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Byoung Kun Jeon, Moon Soo Park
  • Patent number: 10703870
    Abstract: An optical film, a production method therefor, a lighting device and a display device are provided. The present application is capable of providing an optical film having excellent color purity and efficiency, the optical film being capable of providing a lighting device having excellent color characteristics. The optical film of the present application can stably maintain the above described excellent characteristics for a long period of time. The optical film of the present application can be used in various applications, including various lighting devices, photovoltaic cell applications, optical filters or photoconverters.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: July 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Tae Gyun Kwon, Su Young Ryu, Young Shin Lee, Moon Soo Park, Seong Min Lee
  • Publication number: 20200124923
    Abstract: The present application relates to a transmittance variable film, a method for producing the same, and a use thereof. The transmittance variable film of the present application can solve the drive unevenness phenomenon by adjusting the pre-tilt of the opposite alignment film of the alignment film to which the ball spacer is fixed to minimize the reverse tilt occurring upon on-off driving. The transmittance variable film of the present application can be used as sunroofs.
    Type: Application
    Filed: July 27, 2017
    Publication date: April 23, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Byoung Kun Jeon, Moon Soo Park
  • Patent number: 10386674
    Abstract: The present application relates to a light-emitting film, an illumination device, and a display device. The present application may provide a light-emitting film and the use thereof, the light-emitting film being capable of effectively generating a desired light, such as white light, and stably maintaining the performance thereof for a long period of time.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 20, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Seong Min Lee, Su Young Ryu, Sun Kug Kim, Moon Soo Park, Hyuk Yoon, Tae Gyun Kwon
  • Publication number: 20190250465
    Abstract: A transmittance-variable film and a use thereof, where the transmittance-variable film can control pretilt of a liquid crystal interface by applying a liquid crystal alignment film containing splay oriented liquid crystal molecules, and can vertically and horizontally orient a liquid crystal layer or a liquid crystal interface according to an average tilt angle of the liquid crystal alignment film to ensure uniformity of driving and fast response speed. In addition, by applying a liquid crystal alignment film, the transmittance-variable film can be implemented in various modes with a simple coating-drying-curing method excluding the rubbing process by controlling an arrangement of liquid crystal molecules in a liquid crystal alignment film other than the pretilt control method using the conventional rubbing method.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 15, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Moon Soo Park, Byoung Kun Jeon, Sin Young Kim, Ji Youn Lee
  • Patent number: 10359175
    Abstract: The present application relates to a light-emitting film, a method of manufacturing the same, a lighting device and a display device. The present application may provide a light-emitting film capable of providing a lighting device having excellent color purity and efficiency and an excellent color characteristic. The characteristics of the light-emitting film of the present application may be stably and excellently maintained for a long time. The light-emitting film of the present application may be used for various uses including photovoltaic applications, an optical filter or an optical converter, as well as various lighting devices.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: July 23, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Tae Gyun Kwon, Moon Soo Park, Su Young Ryu
  • Publication number: 20190212599
    Abstract: The present application relates to a method of applying particles, an optical film and a method of manufacturing an active liquid crystal device. In the method of applying particles of the present application, the particles can be uniformly applied on a base material and fixed while maintaining the shape of particles. The optical film of the present invention produced by the above method can have excellent particle dispersity. A method of manufacturing an active liquid crystal device using the above method can maintain a cell gap uniformly while simplifying the manufacturing process and preventing gravity defects.
    Type: Application
    Filed: June 7, 2017
    Publication date: July 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Su Young Ryu, Jung Woon Kim, Tae Gyun Kwon, Moon Soo Park
  • Publication number: 20190107742
    Abstract: The liquid crystal film cell of the present application can control expansion of a base film at a high temperature by applying an expansion control layer having a high-temperature expansion coefficient different from that of the base film thereto, thereby effectively maintaining a cell gap at a high temperature, whereby high-temperature durability can be improved and gravity defects can be eliminated.
    Type: Application
    Filed: November 27, 2017
    Publication date: April 11, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park, Seong Min Lee, Ji Hoon Park