Patents by Inventor Dong Yoon Shin

Dong Yoon Shin 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: 10627665
    Abstract: An optical display includes a display region and a non-display region. The optical display includes: an optical display element comprising a first substrate and a second substrate facing the first substrate, the second substrate having a metal interconnection layer thereon; and a first polarizing plate on an upper surface of the optical display element, wherein each of the first polarizing plate and the second substrate extends beyond the first substrate, the first polarizing plate includes a light shielding layer therein to conceal at least a portion of the metal interconnection layer, and the optical display further includes a securing member at a region surrounded by the first polarizing plate, the first substrate, and the second substrate.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 21, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Woo Kim, Yoo Jin Kim, Dong Yoon Shin, Bae Wook Lee, Ji Hyun Hwang
  • Patent number: 10539717
    Abstract: A polarizing plate comprises a polarizer; and at least one optical film on at least one side of the polarizer, wherein the optical film comprises a polyester film, the polyester film has a shrinkage difference between a length shrinkage in a first diagonal direction and a length shrinkage in a second diagonal direction of ?0.1% to +0.1% with respect to either the mechanical direction (MD) or the transverse direction (TD) of the polyester film (as a reference direction). An optical display apparatus includes the polarizing plate.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: January 21, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Eun Su Park, Dong Yoon Shin, Pil Joo Kim, Kwang Ho Shin, Hae Ryong Chung
  • Publication number: 20190353955
    Abstract: Provided are a polarizing plate and a display device comprising the same, the polarizing plate comprising: a polarizing film; a polarizing film protection film arranged on at least one surface of the polarizing film; an adhesive layer interposed between the polarizing film and the polarizing film protection film; and a printing layer impregnated in the adhesive layer and formed on at least part of the edge of the adhesive layer, wherein a curve ensuring portion is formed on at least one surface of the printing layer.
    Type: Application
    Filed: November 8, 2017
    Publication date: November 21, 2019
    Inventors: Jin Woo KIM, Han Su KIM, Kwang Ho SHIN, Dong Yoon SHIN
  • Publication number: 20190285789
    Abstract: The present invention relates to a polarizing plate including a polarizer and a polyester film formed on an upper side of the polarizer, wherein the polyester film has a maximum thermal shrink angle of about 10° or less, and any one of a refractive index of x-axis direction nx at a wavelength of 550 nm and a refractive index of y-axis direction ny at a wavelength of 550 nm of about 1.65 or more; a method of preparing the polarizing plate; and a liquid crystal display apparatus comprising the polarizing plate.
    Type: Application
    Filed: June 4, 2019
    Publication date: September 19, 2019
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin, Hae Ryong Chung
  • Publication number: 20190204479
    Abstract: A polarizing plate and an optical display including the same are provided. The polarizing plate is composed of a display region and a non-display region surrounding the display region, and includes: a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on an upper surface of the polarizer. A light shielding layer includes a UV absorbent material and is embedded in the bonding layer to constitute at least a portion of the non-display region. The light shielding layer is formed on at least one surface of the first polarizer protective film.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 4, 2019
    Inventors: Ji Hyun HWANG, Yoo Jin KIM, Jin Woo KIM, Dong Yoon SHIN, Bae Wook LEE, Sung Man CHO
  • Publication number: 20190204485
    Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes: a polarizer; a bonding layer on an upper surface of the polarizer; and an anti-reflection film on an upper surface of the bonding layer, and the anti-reflection film includes a base layer, a high refractivity layer, and a low refractivity layer sequentially stacked on the bonding layer in the stated order, the bonding layer has an index of refraction of about 1.51 to less than 1.60, and the polarizer, the bonding layer, and the base layer satisfy the relation: Index of refraction of polarizer<Index of refraction of bonding layer<Index of refraction of base layer.
    Type: Application
    Filed: December 26, 2018
    Publication date: July 4, 2019
    Inventors: Yeon Ju Jung, Seo Young Kang, Han Su Kim, Il Woong Baek, Dong Yoon Shin
  • Publication number: 20190196256
    Abstract: An optical display includes a display region and a non-display region. The optical display includes: an optical display element comprising a first substrate and a second substrate facing the first substrate, the second substrate having a metal interconnection layer thereon; and a first polarizing plate on an upper surface of the optical display element, wherein each of the first polarizing plate and the second substrate extends beyond the first substrate, the first polarizing plate includes a light shielding layer therein to conceal at least a portion of the metal interconnection layer, and the optical display further includes a securing member at a region surrounded by the first polarizing plate, the first substrate, and the second substrate.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 27, 2019
    Inventors: Jin Woo KIM, Yoo Jin KIM, Dong Yoon SHIN, Bae Wook LEE, Ji Hyun HWANG
  • Publication number: 20190196249
    Abstract: An optical display includes an optical display element including a second substrate, a first substrate facing the second substrate, a dummy region and a metal interconnection layer thereon. A first polarizing plate on an upper surface of the optical display element has a light shielding layer therein including printed patterns separated from each other. A first printed layer includes a first point at an interface between the display and non-display regions and a second point at a vertex closest to the first point. A second printed layer includes a third point at the interface and a fourth point at a vertex closes to the third point. The light shielding layer satisfies H?P/2, where H is a minimum value among a distance from the interface to the second point and a distance from the interface to the fourth point, and P is a width of the dummy region.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 27, 2019
    Inventors: Jin Woo KIM, Yoo Jin KIM, Dong Yoon SHIN, Bae Wook LEE, Ji Hyun HWANG
  • Publication number: 20190196078
    Abstract: A polarizing plate and an optical display comprising the same. The polarizing plate includes a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on a lower surface of the polarizer, wherein the first polarizer protective film includes a light shielding layer formed in at least some region on an upper surface thereof and the light shielding layer is composed of at least one printed pattern, the printed pattern being composed of a single printed layer or multiple printed layers and having a first plane formed at a top portion thereof and an inclined angle ? of greater than about 0° to about 85° or less, the inclined angle being defined between the first polarizer protective film and an imaginary line I-II connecting one distal end point I of the first plane at the top portion of the printed pattern to a point II disposed on an outer peripheral surface of the printed pattern adjoining the first polarizer protective film and closest to the distal end point I.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 27, 2019
    Inventors: Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho, Ji Hyun Hwang
  • Patent number: 10330841
    Abstract: The present invention relates to a polarizing plate including a polarizer and a polyester film formed on an upper side of the polarizer, wherein the polyester film has a maximum thermal shrink angle of about 10° or less, and any one of a refractive index of x-axis direction nx at a wavelength of 550 nm and a refractive index of y-axis direction ny at a wavelength of 550 nm of about 1.65 or more; a method of preparing the polarizing plate; and a liquid crystal display apparatus comprising the polarizing plate.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: June 25, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin, Hae Ryong Chung
  • Publication number: 20190107657
    Abstract: Provided are a polarizing plate for a light emitting display device and the light emitting display device including same, the polarizing plate for a light emitting display device having a first adhesive film, a second protective layer, a polarizer, and a first protective layer sequentially laminated therein. The polarizing plate includes a UV absorber; and an as value of the polarizing plate is about ?2.0 to about ?20.0, and a bs value of the polarizing plate is about 3.0 to about 30.0.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 11, 2019
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Ri Ra JUNG, Eun Hwan JEONG, Dong Yoon SHIN, Mun Bo KO, Na Young KIM, Jin Joo KIM, Eun Su PARK, Kyoung Ah OH, Tae Joon PARK, Su Yeon LEE
  • Publication number: 20190025486
    Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes a display region and a non-display region surrounding the display region and includes: a polarizer; and a bonding layer, a first polarizer protective film, and a functional coating layer sequentially stacked on a surface of the polarizer. The bonding layer includes a printed layer therein to correspond to the non-display region. The polarizing plate has a haze of about 0.1% to about 5% as measured on the functional coating layer and a reflectance difference of about 2.4% or less between the display region and the non-display region, or the polarizing plate has a haze of about 20% to about 40% as measured on the functional coating layer and a reflectance difference of about 1.5% or less between the display region and the non-display region.
    Type: Application
    Filed: July 12, 2018
    Publication date: January 24, 2019
    Inventors: Ji Hyun Hwang, Jin Woo Kim, Dong Yoon Shin
  • Publication number: 20190025484
    Abstract: Provided are a polarizing plate, a method of manufacturing same, and a display device including same. The polarizing plate comprises: a polarizer; a polarizer protective film disposed on at least one surface of the polarizer; an adhesive layer interposed between the polarizer and the polarizer protective film; and a print layer interposed between the polarizer and the polarizer protective film, and formed on at least a portion of the edge of the adhesive layer. The print layer comprises: a pigment; an organic resin binder; a reactive unsaturated compound; a photopolymerization initiator; and a solvent.
    Type: Application
    Filed: January 18, 2017
    Publication date: January 24, 2019
    Inventors: Jin Woo KIM, Dong Yoon SHIN, Ji Hyun WI, Yeon Ju JUNG
  • Patent number: 10101512
    Abstract: A polarizing plate includes a polarizer and a polyester film formed on an upper side of the polarizer. The polyester film has a ratio of MD elongation to TD elongation of about 1:6 to about 1:30. An angle between the transmission axis of the polarizer and the TD of the polyester film ranges from about ?7° to about +7°. In some embodiments, a liquid crystal display includes the polarizing plate. The polarizing plate and the liquid crystal display can reduce the occurrence of rainbow spots, realize a high degree of polarization, and exhibit little variation in the retardation and dimensions under high temperature/high humidity conditions.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: October 16, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kwang Ho Shin, Dong Yoon Shin, Yeon Ju Jung, Hae Ryong Chung
  • Patent number: 9995863
    Abstract: A polarizing plate includes a polarizer, and a polyester film formed on one or both surfaces of the polarizer. The polyester film has a tensile strength ratio of about 3 or greater, as calculated by Equation 4, and an orientation displacement (°) of about ?5° to about +5° with respect to a transverse direction (slow axis) of the polyester film at a wavelength of 550 nm. A liquid crystal display apparatus includes the polarizing plate Tensile strength ratio=TD tensile strength/MD tensile strength??Equation 4.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: June 12, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin, Hae Ryong Chung
  • Patent number: 9835771
    Abstract: A polarizing plate and a liquid crystal display including the polarizing plate include: a polarizer; and a surface protective film on a first surface of the polarizer, and the surface protective film includes a first protective film on the first surface of the polarizer, and a primer layer on at least one surface of the first protective film, a refractive index ratio of the first protective film to the primer layer satisfying the equation: 0.6<R1/R2<1.0, where R1 is an index of refraction of the primer layer, and R2 is an index of refraction of the first protective film, and the first protective film has an in-plane retardation (Re) of about 500 nm or less and an out-of-plane retardation (Rth) of about 10,000 nm or less at a wavelength of 550 nm.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: December 5, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin
  • Patent number: 9817167
    Abstract: A protective film for a polarizing plate includes a base film and a primer layer on one or both sides of the base film. The protective film has a transmittance of about 90% or greater at a wavelength of 550 nm, and a ratio of the refractive index (B) of the primer layer to the refractive index (A) of the base film of about 0.6 to about 1.0. The protective film exhibits good adhesiveness to the polarizer and improves the transmittance of the polarizing plate. A polarizing plate including the same, and a liquid crystal display including the same are also disclosed.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin, Hae Ryong Chung
  • Patent number: 9791734
    Abstract: An LCD module includes an LCD panel, and a polarizing plate formed on each of the upper and lower surfaces of the LCD panel. The polarizing plate includes a polarizer and a polyester film formed on at least one surface of the polarizer. The polyester film has a difference between the index of refraction in the x-axis direction and the index of refraction in the z-axis direction (nx?nz) of about 0.1 to about 0.18, where nx and nz are the indices of refraction in the x-axis and z-axis directions, respectively, at a wavelength of 550 nm. The LCD module has a CR 45° and a CR 135° of about 1.0% or greater.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Yeon Ju Jung, Ae Kyoung Kim, Han Su Kim, Kwang Ho Shin, Dong Yoon Shin
  • Patent number: 9731460
    Abstract: An anti-glare film and a method of fabricating the same. The anti-glare film includes a transparent substrate, a photocurable resin layer stacked on one surface of the transparent substrate, and a plurality of amorphous patterns formed on a surface of the photocurable resin layer. The anti-glare film can provide excellent diffusion of light, exhibit excellent brightness without deterioration of transmittance, and provide excellent front brightness and visibility when applied to polarizing plates and display devices.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: August 15, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jin Woo Kim, Chul Jin Park, Dong Yoon Shin, Je Ha Woo, Jong Hyuk Eun, A Ra Jo
  • Patent number: 9684105
    Abstract: A polarizing plate includes a polarizer and a polyester film formed on at least one surface of the polarizer. The polyester film includes a polyester base film and a primer layer formed on at least one surface of the polyester base film. The polyester film contains about 0.1 wt % to about 5 wt % of a UV absorbent. In addition, a liquid crystal display includes the polarizing plate. A method of fabricating a polarizing plate includes preparing a multilayer film containing about 0.1 wt % to about 5 wt % of a UV absorbent, stretching the multilayer film to about 2 to about 10 times its initial length in a transverse direction (TD) to prepare a polyester film, and attaching the polyester film to at least one surface of a polarizer. The multilayer film comprises a polyester base film and a primer layer on at least one surface of the polyester base film.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: June 20, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin, Hae Ryong Chung