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).

  • 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
  • Publication number: 20210055463
    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: Application
    Filed: May 31, 2019
    Publication date: February 25, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Seong Min Lee, Young Shin Lee, Byoung Kun Jeon, In Ju Mun
  • 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: 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
  • 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
  • Publication number: 20200333660
    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: Application
    Filed: April 25, 2018
    Publication date: October 22, 2020
    Applicant: LG Chem, Ltd.
    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
  • 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
  • Patent number: 10782461
    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: May 5, 2017
    Date of Patent: September 22, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Moon Soo Park, Hyuk Yoon
  • Publication number: 20200285107
    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: Application
    Filed: December 2, 2016
    Publication date: September 10, 2020
    Inventors: Ji Hoon PARK, Byoung Kun JEON, Seung Hun CHAE, Seong Min LEE, Jung Woon KIM
  • 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: 10712607
    Abstract: An optical device and a use thereof are provided. The optical device 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: October 26, 2016
    Date of Patent: July 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Seong Min Lee, Ji Hoon Park, Byoung Kun Jeon, Seung Hun Chae
  • 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
  • Publication number: 20200057335
    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: Application
    Filed: April 25, 2018
    Publication date: February 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Seong Min Lee, Byoung Kun Jeon, Moon Soo Park
  • Patent number: 10551539
    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: May 3, 2017
    Date of Patent: February 4, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Moon Soo Park, Hyuk Yoon
  • Publication number: 20200019008
    Abstract: An optical device capable of varying transmittance, such that 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: April 25, 2018
    Publication date: January 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Byoung Kun Jeon, Moon Soo Park, Seong Min Lee, Ji Hoon Park