Patents by Inventor Jinseok Byun

Jinseok Byun 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: 11880017
    Abstract: The present invention relates to anti-reflective films including: a light-transmitting substrate; a hard coating layer; and a low refractive layer, wherein the low refractive layer includes a first region including a binder resin and high refractive inorganic nanoparticles and a second region including a binder resin and low refractive inorganic nanoparticles, and when polarization ellipticity measured by ellipsometry is fitted to a Cauchy model for each of the first region and the second region, predetermined requirements are fulfilled.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: January 23, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jinseok Byun, Inyoung Song, Dong Hyun Kim, Kwangseok Seo, Yeongrae Chang
  • Patent number: 11833804
    Abstract: The present invention relates to a visibility improving film for a display panel, and a display device including the same. More specifically, the present invention relates to a visibility improving film for a display panel capable of having low reflection properties and exhibiting excellent optical and physical properties, particularly while enhancing the visibility of a laser pointer, by including fine metal particles dispersed in the photocurable resin layer, and a display device including the same.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 5, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kwangseok Seo, Hanna Lee, Jinseok Byun, Yeongrae Chang
  • Publication number: 20230341590
    Abstract: The present disclosure relates to an anti-glare film including an acrylic substrate and a coating layer located on at least one side of the acrylic substrate, which has a specific rate of change of band area ratio in a graph derived from the result of Raman spectroscopy performed for the coating layer in the thickness direction. It also relates to a polarizing plate, and a display apparatus including the same.
    Type: Application
    Filed: July 20, 2021
    Publication date: October 26, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hanna LEE, Seung Hun LEE, Jung Hyun SEO, Jinseok BYUN, Yeongrae CHANG
  • Patent number: 11732142
    Abstract: The present invention relates to an anti-reflective film having mechanical properties such as high abrasion resistance and scratch resistance and excellent optical properties, and a polarizing plate and a display apparatus including the same.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: August 22, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jinseok Byun, Kyung Moon Ko, Sang Heon Lee, Kwangseok Seo, Yeongrae Chang
  • Patent number: 11650362
    Abstract: The present invention relates to a polarizing plate including: a polarizer; a hard coating layer having a thickness of 10 ?m or less formed on one surface side of the polarizer; and an optical laminate including a light-transmitting substrate formed on the other surface side of the polarizer.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: May 16, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hyun Seo, Jinseok Byun, Jaehoon Shim, Soo Kyoung Lee, Joo Jong Moon
  • Patent number: 11639449
    Abstract: The present invention relates to a visibility improving film for a display panel and a display device including the same. More specifically, the present invention relates to a visibility improving film for a display panel capable of enhancing the visibility of a laser pointer and exhibiting excellent physical and optical properties, particularly preventing a specular reflection phenomenon of a laser pointer light, by including fine metal particles and inorganic oxide fine particles dispersed in a photocurable resin layer.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: May 2, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kwangseok Seo, Hanna Lee, Yeongrae Chang, Jinseok Byun, Yun U Shin
  • Patent number: 11624857
    Abstract: Provided are an anti-reflective film including a low-refractive layer having mechanical properties such as high abrasion resistance and scratch resistance, etc., and excellent optical properties, and a hard coating layer, a polarizing plate including the same, and a display device including the same.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: April 11, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jinseok Byun, Jeongkyu Lee, Jin Yeung Lee, Kwangseok Seo, Yeongrae Chang
  • Patent number: 11549025
    Abstract: The present invention relates to a film for blocking ultraviolet rays that has excellent light resistance, thus exhibiting stable UV blocking performance for a long time, and has a low haze value, and thus is suitable for protecting an organic light emitting device and the like from the external light source.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: January 10, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Kwangseok Seo, Heon Kim, Jinseok Byun, Yeongrae Chang
  • Publication number: 20230003921
    Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the reflectance at a wavelength of 400 nm to the reflectance at a wavelength of 550 nm of 1.3 to 2.7, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.
    Type: Application
    Filed: March 16, 2021
    Publication date: January 5, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Jinseok BYUN, Kyung Moon KO, Yeongrae CHANG
  • Patent number: 11525048
    Abstract: The present invention relates to a visibility improving film for a display panel and a display device including the same. More specifically, the present invention relates to a visibility improving film for a display panel capable of exhibiting excellent physical and optical properties particularly while enhancing the visibility of a laser pointer, by including metal-coated inorganic oxide fine particles dispersed in the photocurable resin layer, and a display device including the same.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 13, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Kwangseok Seo, Hanna Lee, Jinseok Byun, Yeongrae Chang
  • Publication number: 20220381954
    Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.
    Type: Application
    Filed: March 16, 2021
    Publication date: December 1, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Jinseok BYUN, Kyung Moon KO, Yeongrae CHANG
  • Patent number: 11506820
    Abstract: The present invention relates to an anti-reflective film including: a hard coating layer; and a low refractive index layer containing a binder resin containing a copolymer of a polyfunctional (meth)acrylate-based monomer, and inorganic particles dispersed in the binder resin, wherein the polyfunctional (meth)acrylate-based monomer includes a 2- to 4-functional (meth)acrylate-based monomer and a 5- to 6-functional (meth)acrylate-based monomer in a weight ratio of 9:1 to 6:4, and a polarizing plate and a display apparatus using the same.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: November 22, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jinseok Byun, Kwangseok Seo, Jung Hyun Seo, Yeongrae Chang
  • Patent number: 11428848
    Abstract: An anti-reflective film including: a hard coating layer; and a low refractive index layer containing a binder resin, and two or more kind of hollow inorganic particles having different particle diameters measured by dynamic light scattering (DLS), wherein the two or more kind of hollow inorganic particles having different particle diameters include one kind of hollow inorganic particles having a particle diameter of 40 nm to 60 nm and one kind of hollow inorganic particles having a particle diameter of 65 nm to 100 nm, and a display apparatus comprising the anti-reflective film.
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: August 30, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jinseok Byun, Jung Hyun Seo, Kwangseok Seo, Yeongrae Chang
  • Publication number: 20220120952
    Abstract: The present disclosure relates to an anti-reflective film capable of realizing high scratch resistance and anti-fouling property simultaneously while having low reflectance and high light transmittance deviation, and further capable of enhancing screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.
    Type: Application
    Filed: May 20, 2020
    Publication date: April 21, 2022
    Applicant: LG CHEM, LTD.
    Inventors: So Young KIM, Jinseok BYUN, Kyung Moon KO, Jin Yeung LEE
  • Patent number: 11307494
    Abstract: The present disclosure relates to a hologram medium comprising: a polymer substrate including a polymer resin in which a silane-based functional group is located in a main chain or a branched chain, wherein a fine pattern is formed on at least one surface of the polymer substrate, and an optical element.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: April 19, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Heon Kim, Seokhoon Jang, Se Hyun Kwon, Yeongrae Chang, Jinseok Byun
  • Publication number: 20210371695
    Abstract: The present invention relates to a visibility improving film for a display panel and a display device including the same. More specifically, the present invention relates to a visibility improving film for a display panel capable of enhancing the visibility of a laser pointer and exhibiting excellent physical and optical properties, particularly preventing a specular reflection phenomenon of a laser pointer light, by including fine metal particles and inorganic oxide fine particles dispersed in a photocurable resin layer.
    Type: Application
    Filed: November 28, 2018
    Publication date: December 2, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kwangseok SEO, Hanna LEE, Yeongrae CHANG, Jinseok BYUN, Yun U SHIN
  • Publication number: 20210325569
    Abstract: The present disclosure relates to an anti-reflective film capable of simultaneously realizing high scratch resistance and antifouling property, and increasing a screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.
    Type: Application
    Filed: February 24, 2020
    Publication date: October 21, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Kyung Moon KO, Jinseok BYUN, Changoh KIM, Yeongrae CHANG
  • Publication number: 20210309863
    Abstract: The invention relates to an anti-reflective film that has low reflectance deviation and light transmittance deviation, can simultaneously realize high scratch resistance and anti-fouling property, and can increase screen sharpness of a display apparatus, a polarizing plate and a display apparatus comprising the same.
    Type: Application
    Filed: May 28, 2020
    Publication date: October 7, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jinseok BYUN, So Young KIM, Kyung Moon KO, Sang Heon LEE, Intaek SONG, Yeongrae CHANG
  • Publication number: 20210239894
    Abstract: The present disclosure relates to a hologram recording medium having one surface with a higher surface energy than a polymer resin layer containing at least one polymer selected from the group consisting of triacetyl cellulose, alicyclic olefin polymer and polyethylene terephthalate, a hologram recording medium wherein the surface energy of any one surface is 50 mN/m or more, and an optical element comprising the hologram medium.
    Type: Application
    Filed: September 11, 2019
    Publication date: August 5, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Seokhoon JANG, Jinseok BYUN, Heon KIM, Se Hyun KWON, Yeongrae CHANG
  • Publication number: 20210206935
    Abstract: The present invention relates to an anti-reflective film that has a low reflectance deviation and a light transmittance deviation, can simultaneously realize high scratch resistance and anti-fouling property, and can increase screen sharpness of a display apparatus, a polarizing plate and a display apparatus comprising the same.
    Type: Application
    Filed: October 17, 2019
    Publication date: July 8, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jinseok BYUN, So Young KIM, Jung Hyun SEO, Dong Hyun KIM, Kyung Moon KO, Yeongrae CHANG