Patents by Inventor Byoung Kun Jeon

Byoung Kun Jeon 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: 11448934
    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: Grant
    Filed: March 27, 2019
    Date of Patent: September 20, 2022
    Inventors: Nam Hun Kim, Seong Min Lee, Byoung Kun Jeon, Su Young Ryu, Jung Woon Kim, Young Shin Lee
  • Patent number: 11435615
    Abstract: An optical device that can be used for various applications including eyewears, such as sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle, and the like is provided. The optical device includes first and second outer substrates disposed to face each other, an active liquid crystal film layer, and a step forming layer. The active liquid crystal film layer and the step forming layer are encapsulated by an encapsulating agent between the first and second outer substrate. The active liquid crystal film layer comprises a first region that is pressed by the step forming layer and a second region that is not pressed by the step forming layer. The defects caused by an excessively large or small amount of light-modulating material or heat shrinkage of the light-modulating material, and the like are prevented in the optical device.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 6, 2022
    Inventors: Seong Min Lee, Byoung Kun Jeon, Nam Hun Kim, Jung Woon Kim, Young Shin Lee
  • Patent number: 11429005
    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: Grant
    Filed: July 18, 2019
    Date of Patent: August 30, 2022
    Inventors: Nam Hun Kim, Byoung Kun Jeon, Doo Young Huh, Su Young Ryu, Seong Min Lee, Jung Woon Kim, Young Shin Lee
  • Patent number: 11428968
    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: Grant
    Filed: April 24, 2019
    Date of Patent: August 30, 2022
    Inventors: Nam Hun Kim, Jung Woon Kim, In Ju Mun, Su Young Ryu, Byoung Kun Jeon
  • Patent number: 11372290
    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: Grant
    Filed: September 3, 2019
    Date of Patent: June 28, 2022
    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: 20220146878
    Abstract: An optical device that can be used for various applications including eyewears, such as sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle, and the like is provided. The optical device includes first and second outer substrates disposed to face each other, an active liquid crystal film layer, and a step forming layer. The active liquid crystal film layer and the step forming layer are encapsulated by an encapsulating agent between the first and second outer substrate. The active liquid crystal film layer comprises a first region that is pressed by the step forming layer and a second region that is not pressed by the step forming layer. The defects caused by an excessively large or small amount of light-modulating material or heat shrinkage of the light-modulating material, and the like are prevented in the optical device.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 12, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Seong Min Lee, Byoung Kun Jeon, Nam Hun Kim, Jung Woon Kim, Young Shin Lee
  • Publication number: 20220121068
    Abstract: An optical device is provided in the present application. The present application provides an optical device that may prevent defects such as short circuits even when an external power source has been connected in an encapsulated structure.
    Type: Application
    Filed: January 14, 2020
    Publication date: April 21, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Park, Young Shin Lee, Byoung Kun Jeon
  • Patent number: 11307338
    Abstract: Provided are a polarizing plate and a display. The illustrative polarizing plate may exhibit desired characteristics in a wide range of wavelengths, and have excellent reflection and visibility at an inclined angle. For example, the polarizing plate may be used in a reflective or transflective liquid crystal display or an organic light emitting device.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: April 19, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Moon Soo Park, Hyuk Yoon
  • Publication number: 20220011619
    Abstract: An optical element and a method for using thereof are provided. The present application provides an optical element that may provide various modes, and has excellent durability, and the like.
    Type: Application
    Filed: February 20, 2020
    Publication date: January 13, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hoon Park, Young Shin Lee, Byoung Kun Jeon
  • 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
  • Patent number: 11106069
    Abstract: A vehicle window pane having a plate-like window pane body which has an outer side which faces the surroundings of the vehicle and an inner side which faces away from the outer side and to which a composite is connected, the composite having a layer structure which may have multiple layers disposed one on top of the other, one of the layers having a liquid crystal arrangement having two films and a liquid crystal cell disposed between the two films, and another one of the layers being a polarizer layer. At least one layer of the layer structure can be a compensation layer whose area is smaller than the area of the liquid crystal arrangement, the liquid crystal cell thus having an edge portion which is thicker than a central portion covered by the compensation layer.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: August 31, 2021
    Assignee: WEBASTO SE
    Inventors: Max Buchmann, Jonas Dietrich, Steffen Lorenz, Daniela Baierl, Sascha Dietrich, Daniel Brose, Seongmin Lee, Byoung Kun Jeon
  • Patent number: 11099420
    Abstract: An optical device is disclose herein. In some embodiments, an optical device includes an active liquid crystal element film, wherein the active liquid crystal element film comprises two base films, an active liquid crystal layer present between the two base films, wherein the active liquid crystal layer contains a liquid crystal compound and is capable of switching between a first oriented state and a second oriented state, and a polarizing coating layer, wherein the polarizing coating layer is present between one of the two base films and the active liquid crystal layer. The optical device is capable of varying transmittance, and can be used for various applications such as sunglasses, AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: August 24, 2021
    Inventors: Ji Hoon Park, Byoung Kun Jeon, Moon Soo Park, Jun Won Chang, Dae Hee Lee, Hye Min Yu, Young Shin Lee, Byung Sun Lee
  • Patent number: 11092844
    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 sunroof for a vehicle.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: August 17, 2021
    Inventors: Seong Min Lee, Byoung Kun Jeon, Moon Soo Park
  • 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: 20210146660
    Abstract: A vehicle window pane having a plate-like window pane body which has an outer side which faces the surroundings of the vehicle and an inner side which faces away from the outer side and to which a composite is connected, the composite having a layer structure which may have multiple layers disposed one on top of the other, one of the layers having a liquid crystal arrangement having two films and a liquid crystal cell disposed between the two films, and another one of the layers being a polarizer layer. At least one layer of the layer structure can be a compensation layer whose area is smaller than the area of the liquid crystal arrangement, the liquid crystal cell thus having an edge portion which is thicker than a central portion covered by the compensation layer.
    Type: Application
    Filed: December 20, 2018
    Publication date: May 20, 2021
    Inventors: Max BUCHMANN, Jonas DIETRICH, Steffen LORENZ, Daniela BAIERL, Sascha DIETRICH, Daniel BROSE, Seongmin LEE, Byoung Kun JEON
  • Publication number: 20210132430
    Abstract: An optical device is provided. The optical device is 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: May 16, 2019
    Publication date: May 6, 2021
    Applicant: LG Chem, Ltd.
    Inventors: In Ju MUN, Kum Suek SEO, Beom Jin LEE, Byoung Kun JEON, Seong Min LEE
  • Patent number: 10996387
    Abstract: An optical device and method of manufacturing the same are disclosed herein. In some embodiments, an optical device includes a first outer substrate and a second outer substrate disposed opposite to each other, a liquid crystal element disposed between the first and second outer substrates; and a plurality of adhesive films encapsulating the liquid crystal element, wherein the plurality of adhesive films comprises a curable adhesive film and a non-curable adhesive film. The optical device is capable of varying transmittance and reducing light loss while improving appearance defects. Such an optical device can be used for various applications such as eyewear, for example, sunglasses or augmented reality (AR) or virtual reality (VR) eyewear, an outer wall of a building or a sunroof for a vehicle.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: May 4, 2021
    Inventors: Seong Min Lee, Young Shin Lee, Byoung Kun Jeon, In Ju Mun
  • Patent number: 10976597
    Abstract: The present application relates to an optical device and a use thereof. The optical device of the present application is a member in which transmittance can vary depending on whether or not an external action is present, and has excellent durability.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: April 13, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ji Hoon Park, Byoung Kun Jeon, Seung Hun Chae, Seong Min Lee, Jung Woon Kim