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).
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Patent number: 12174408Abstract: 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: GrantFiled: May 20, 2020Date of Patent: December 24, 2024Assignee: LG CHEM, LTD.Inventors: So Young Kim, Jinseok Byun, Kyung Moon Ko, Jin Yeung Lee
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Patent number: 12050304Abstract: 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: GrantFiled: February 24, 2020Date of Patent: July 30, 2024Assignee: LG CHEM, LTD.Inventors: Kyung Moon Ko, Jinseok Byun, Changoh Kim, Yeongrae Chang
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Patent number: 11994704Abstract: 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: GrantFiled: September 11, 2019Date of Patent: May 28, 2024Assignee: LG CHEM, LTD.Inventors: Seokhoon Jang, Jinseok Byun, Heon Kim, Se Hyun Kwon, Yeongrae Chang
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Patent number: 11880017Abstract: 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: GrantFiled: February 12, 2019Date of Patent: January 23, 2024Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Inyoung Song, Dong Hyun Kim, Kwangseok Seo, Yeongrae Chang
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Patent number: 11833804Abstract: 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: GrantFiled: November 28, 2018Date of Patent: December 5, 2023Assignee: LG CHEM, LTD.Inventors: Kwangseok Seo, Hanna Lee, Jinseok Byun, Yeongrae Chang
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Publication number: 20230341590Abstract: 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: ApplicationFiled: July 20, 2021Publication date: October 26, 2023Applicant: LG CHEM, LTD.Inventors: Hanna LEE, Seung Hun LEE, Jung Hyun SEO, Jinseok BYUN, Yeongrae CHANG
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Patent number: 11732142Abstract: 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: GrantFiled: May 14, 2019Date of Patent: August 22, 2023Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Kyung Moon Ko, Sang Heon Lee, Kwangseok Seo, Yeongrae Chang
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Patent number: 11650362Abstract: 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: GrantFiled: July 1, 2019Date of Patent: May 16, 2023Assignee: LG CHEM, LTD.Inventors: Jung Hyun Seo, Jinseok Byun, Jaehoon Shim, Soo Kyoung Lee, Joo Jong Moon
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Patent number: 11639449Abstract: 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: GrantFiled: November 28, 2018Date of Patent: May 2, 2023Assignee: LG CHEM, LTD.Inventors: Kwangseok Seo, Hanna Lee, Yeongrae Chang, Jinseok Byun, Yun U Shin
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Patent number: 11624857Abstract: 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: GrantFiled: June 19, 2019Date of Patent: April 11, 2023Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Jeongkyu Lee, Jin Yeung Lee, Kwangseok Seo, Yeongrae Chang
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Patent number: 11549025Abstract: 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: GrantFiled: June 12, 2019Date of Patent: January 10, 2023Assignee: LG CHEM, LTD.Inventors: Kwangseok Seo, Heon Kim, Jinseok Byun, Yeongrae Chang
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Publication number: 20230003921Abstract: 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: ApplicationFiled: March 16, 2021Publication date: January 5, 2023Applicant: LG CHEM, LTD.Inventors: Jinseok BYUN, Kyung Moon KO, Yeongrae CHANG
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Patent number: 11525048Abstract: 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: GrantFiled: November 28, 2018Date of Patent: December 13, 2022Assignee: LG CHEM, LTD.Inventors: Kwangseok Seo, Hanna Lee, Jinseok Byun, Yeongrae Chang
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Publication number: 20220381954Abstract: 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: ApplicationFiled: March 16, 2021Publication date: December 1, 2022Applicant: LG CHEM, LTD.Inventors: Jinseok BYUN, Kyung Moon KO, Yeongrae CHANG
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Patent number: 11506820Abstract: 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: GrantFiled: January 15, 2019Date of Patent: November 22, 2022Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Kwangseok Seo, Jung Hyun Seo, Yeongrae Chang
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Patent number: 11428848Abstract: 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: GrantFiled: May 1, 2020Date of Patent: August 30, 2022Assignee: LG CHEM, LTD.Inventors: Jinseok Byun, Jung Hyun Seo, Kwangseok Seo, Yeongrae Chang
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Publication number: 20220120952Abstract: 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: ApplicationFiled: May 20, 2020Publication date: April 21, 2022Applicant: LG CHEM, LTD.Inventors: So Young KIM, Jinseok BYUN, Kyung Moon KO, Jin Yeung LEE
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Patent number: 11307494Abstract: 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: GrantFiled: September 10, 2019Date of Patent: April 19, 2022Assignee: LG CHEM, LTD.Inventors: Heon Kim, Seokhoon Jang, Se Hyun Kwon, Yeongrae Chang, Jinseok Byun
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Publication number: 20210371695Abstract: 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: ApplicationFiled: November 28, 2018Publication date: December 2, 2021Applicant: LG CHEM, LTD.Inventors: Kwangseok SEO, Hanna LEE, Yeongrae CHANG, Jinseok BYUN, Yun U SHIN
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Publication number: 20210325569Abstract: 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: ApplicationFiled: February 24, 2020Publication date: October 21, 2021Applicant: LG CHEM, LTD.Inventors: Kyung Moon KO, Jinseok BYUN, Changoh KIM, Yeongrae CHANG