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).

  • Patent number: 10180518
    Abstract: The present invention relates to an optical film, a polarizing plate including the same, and a display device. The exemplary optical film may have a desired wavelength dispersion characteristic using positive and negative uniaxial retardation films satisfying a predetermined condition. In addition, the optical film has a desired wavelength dispersion characteristic, and thus may be utilized in various fields requiring delicate control of optical properties. For example, the optical film can be useful in the polarizing plate used to prevent reflection and ensure visibility in the display device.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: January 15, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park, Hyuk Yoon
  • Publication number: 20180113361
    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: Application
    Filed: March 28, 2016
    Publication date: April 26, 2018
    Inventors: Seong Min LEE, Su Young RYU, Sun Kug KIM, Moon Soo PARK, Hyuk YOON, Tae Gyun KWON
  • Publication number: 20180051144
    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: Application
    Filed: March 11, 2016
    Publication date: February 22, 2018
    Inventors: Tae Gyun KWON, Su Young RYU, Young Shin LEE, Moon Soo PARK, Seong Min LEE
  • Patent number: 9891360
    Abstract: Provided are an optical film and a display device including the same. The optical film may be disposed at the outermost side of a display device, such as a liquid crystal display or an organic light emitting display, or at an outside of a polarizing layer of the display in which the polarizing layer is disposed at a visible side. The film disposed as described above may overcome degradation of brightness that may occur when an observer watches an image with polarizing sunglasses. The optical film may also have hardness suitable for its use.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: February 13, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Jun Won Chang, Su Young Ryu, Moon Su Park
  • Patent number: 9761771
    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: September 12, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Tae Gyun Kwon, Su Young Ryu, Moon Soo Park, Seong Min Lee
  • Publication number: 20170200871
    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: Application
    Filed: August 13, 2015
    Publication date: July 13, 2017
    Applicant: LG CHEM, LTD.
    Inventors: Tae Gyun KWON, Su Young RYU, Moon Soo PARK, Seong Min LEE
  • Patent number: 9703145
    Abstract: A liquid crystal composition and a method of manufacturing an optical film. The liquid crystal composition which may form a liquid crystal layer having excellent optical characteristics and a high surface hardness. The liquid crystal layer formed as described above may be used in various applications, and for example, may be disposed on the outermost surface of a display device, such as an LCD or an OLED, or at an outer side of a polarizing layer of the display in which the polarizing layer is disposed at a visible side, thereby serving as a liquid crystal layer which may solve a problem of degrading brightness occurring when an observer watches an image with polarizing sunglasses.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: July 11, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Su Young Ryu, Moon Soo Park, Jun Won Chang, Sin Young Kim
  • Publication number: 20170191638
    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: Application
    Filed: August 13, 2015
    Publication date: July 6, 2017
    Inventors: Tae Gyun KWON, Moon Soo PARK, Su Young RYU
  • Patent number: 9667953
    Abstract: Provided are a display device and polarizing glasses. The display device allows a user to wear polarizing glasses including a positive or negative uniaxial retardation layer and observe stereoscopic images. The display device includes a uniaxial retardation layer with the opposite sign to the uniaxial retardation layer included in the polarizing glasses so that the display device can have highly improved upper, lower, left, and right viewing angles.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: May 30, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park
  • Patent number: 9411166
    Abstract: Provided is a display device. An illustrative display device of the present application may display three-dimensional images or two-dimensional images, which may be enjoyed without glasses.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: August 9, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park
  • Patent number: 9377571
    Abstract: An optical film, a polarizing plate and a display device are provided. The optical film can have desired phase retardation at a wide wavelength range, and also show no light leakage at an inclination angle. Also, the optical film can have ¼-wavelength phase retardation, and can be used for reflective or semi-transmissive/reflective liquid crystal display devices or organic light-emitting devices.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: June 28, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Byoung Kun Jeon, Hyuk Yoon, Su Young Ryu, Moon Soo Park
  • Patent number: 9329426
    Abstract: The present application relates to an optical device. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: May 3, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Moon Soo Park, Seung Hun Chae, Su Young Ryu, Da Mi Lee
  • Patent number: 9285524
    Abstract: Provided are an optical filter and a stereoscopic display device. The exemplary optical filter may be applied to the stereoscopic display device to observe a stereoscopic image in a wide viewing angle without the loss of brightness.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: March 15, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Moon Soo Park, Byoung Kun Jeon, Sang Seop Kim, Kyung Ki Hong, Dong Ho Ko, Doo Young Huh, Su Young Ryu, Seung Ryong Lee
  • Patent number: 9279994
    Abstract: A stereoscopic image display device (hereinafter, referred to as a “3D device”) and polarizing glasses are provided. According to the 3D device and polarizing glasses, a three-dimensional image having excellent crosstalk ratio and color characteristics can be observed.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: March 8, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Byoung Kun Jeon, Moon Soo Park, Sin Young Kim, Su Young Ryu
  • Publication number: 20150301386
    Abstract: Provided are a liquid crystal composition and a method of manufacturing an optical film. The liquid crystal composition which may form a liquid crystal layer having excellent optical characteristics and a high surface hardness may be provided. The liquid crystal layer formed as described above may be used in various applications, and for example, may be disposed on the outermost surface of a display device, such as an LCD or an OLED, or at an outer side of a polarizing layer of the display in which the polarizing layer is disposed at a visible side, thereby serving as a liquid crystal layer which may solve a problem of degrading brightness occurring when an observer watches an image with polarizing sunglasses.
    Type: Application
    Filed: November 29, 2013
    Publication date: October 22, 2015
    Inventors: Su Young RYU, Moon Soo PARK, Jun Won CHANG, Sin Young KIM
  • Publication number: 20150293286
    Abstract: The present invention relates to an optical film, a polarizing plate including the same, and a display device. The exemplary optical film may have a desired wavelength dispersion characteristic using positive and negative uniaxial retardation films satisfying a predetermined condition. In addition, the optical film has a desired wavelength dispersion characteristic, and thus may be utilized in various fields requiring delicate control of optical properties. For example, the optical film can be useful in the polarizing plate used to prevent reflection and ensure visibility in the display device.
    Type: Application
    Filed: November 25, 2013
    Publication date: October 15, 2015
    Inventors: Byoung Kun Jeon, Su Young Ryu, Moon Soo Park, Hyuk Yoon
  • Publication number: 20150285978
    Abstract: Provided are an optical film and a display device including the same. The optical film may be disposed at the outermost side of a display device, such as a liquid crystal display or an organic light emitting display, or at an outside of a polarizing layer of the display in which the polarizing layer is disposed at a visible side. The film disposed as described above may overcome degradation of brightness that may occur when an observer watches an image with polarizing sunglasses. The optical film may also have hardness suitable for its use.
    Type: Application
    Filed: November 29, 2013
    Publication date: October 8, 2015
    Inventors: Jun Won Chang, Su Young Ryu, Moon Su Park
  • Patent number: 9151869
    Abstract: A liquid crystal film, a method for manufacturing the same, a polarizing plate, and a liquid crystal display are provided. The liquid crystal film has excellent physical properties such as durability and an optical physical property so that it can be effectively used for various applications. In addition, the physical property of the liquid crystal film can be controlled according to desired purposes.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: October 6, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Su Young Ryu, Moon Soo Park, Jun Won Chang, Sin Young Kim
  • Patent number: 9140979
    Abstract: A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: September 22, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong Il Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu
  • Patent number: 9069257
    Abstract: A mask and an optical filter manufacturing apparatus having the same are provided. The optical filter manufacturing apparatus includes a roll used in a roll-to-roll process, a base film wound around the roll, a light source that generates light for exposure, a polarizing plate that is installed at an emission side of the light source and polarizes light generated from the light source, and a mask that causes a pattern to be formed on the base film and includes a plurality of guide slits that are opened to have a predetermined thickness and a predetermined width. According to the present invention, the entire surface of the base film can be irradiated with a uniform light quantity. Thus, a pattern can be uniformly formed on the base film, the quality of a product can be improved, and the characteristics of the base film can be accurately realized.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: June 30, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Sin Young Kim, Kyung Ki Hong, Hyuk Yoon, Won Cheul Ju, Yong Il Cho, Moon Soo Park, Dong Ho Ko, Su Young Ryu