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).

  • Publication number: 20220299691
    Abstract: A polarizing plate and an optical display apparatus including the same. The polarizing plate includes: a polarizer; and a laminate of a first retardation layer and a second retardation layer, and a third retardation layer sequentially stacked on a lower surface of the polarizer, wherein the first retardation layer may have a slow axis tilted at an angle of +40° to +50° or at an angle of ?50° to ?40° with respect to an absorption axis or a transmission axis of the polarizer, the slow axis of the first retardation layer is tilted at an angle of +80° to +100° or at an angle of ?100° to ?80° with respect to a slow axis of the second retardation layer, the first retardation layer exhibits positive wavelength dispersion and has an in-plane retardation of 50 nm to 100 nm at a wavelength of 550 nm, and the second retardation layer has positive wavelength dispersion or flat wavelength dispersion and an in-plane retardation of 180 nm to 240 nm at a wavelength of 550 nm.
    Type: Application
    Filed: August 13, 2020
    Publication date: September 22, 2022
    Inventors: Sang Hum LEE, Jun Mo KOO, Bong Choon KIM, Jung Hun YOU, Dong Yoon SHIN
  • Publication number: 20220276424
    Abstract: Provided is a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a stack body of a first phase difference layer and a second phase difference layer stacked on a lower surface of the polarizer, wherein the first phase difference layer satisfies Equation 1, the second phase difference layer satisfies Equation 2, the sum of an in-plane phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about 100 nm to about 110 nm, the sum of a thickness direction phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about ?30 nm to about +10 nm, and the second phase difference layer comprises a fluorine-based phase difference layer.
    Type: Application
    Filed: August 7, 2020
    Publication date: September 1, 2022
    Inventors: Jun Mo KOO, Bong Choon KIM, Dong Yoon SHIN, Jung Hun YOU, Sang Hum LEE
  • Patent number: 11428969
    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: Grant
    Filed: November 29, 2018
    Date of Patent: August 30, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Woo Kim, Yoo Jin Kim, Dong Yoon Shin, Bae Wook Lee, Ji Hyun Hwang
  • Publication number: 20220252773
    Abstract: A polarizing plate and a display apparatus including the same. The polarizing plate includes: a polarizer and a protective film stacked at least on one surface of the polarizer, wherein the polarizing plate includes at least a depolarization region in an in-plane direction thereof, and the depolarization region has a maximum absorbance of 0.5 to 1.5 in the wavelength range of 380 nm to 420 nm and a light transmittance ratio (ratio of light transmittance at a wavelength of 590 nm to light transmittance at a wavelength of 400 nm) of 1 to 2.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 11, 2022
    Inventors: Jung Hun YOU, Bong Choon KIM, Sang Hum LEE, Jun Mo KOO, Dong Yoon SHIN
  • Publication number: 20220187524
    Abstract: A polarizing plate and an optical display apparatus including the same. The polarizing plate includes: a polarizer; a first retardation layer; and a second retardation layer, the first retardation layer and the second retardation layer being sequentially laminated on a lower surface of the polarizer, wherein the first retardation layer has a short wavelength dispersion of about 1 to about 1.03, a long wavelength dispersion of about 0.98 to about 1, and an in-plane retardation of about 220 nm to about 270 nm at a wavelength of about 550 nm, the second retardation layer has a short wavelength dispersion of about 1 to about 1.1, a long wavelength dispersion of about 0.96 to about 1, and an in-plane retardation of about 80 nm to about 130 nm at a wavelength of about 550 nm, and a ratio (Rth/d) of out-of-plane retardation (Rth, unit: nm) of the second retardation layer at a wavelength of about 550 nm to thickness (d, unit: ?m) of the second retardation layer ranges from about ?33 nm/?m to about ?15 nm/?m.
    Type: Application
    Filed: March 19, 2020
    Publication date: June 16, 2022
    Inventors: Jun Mo KOO, Bong Choon KIM, Jung Hun YOU, Sang Hum LEE, Dong Yoon SHIN
  • Patent number: 11353643
    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: Grant
    Filed: January 18, 2017
    Date of Patent: June 7, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Woo Kim, Dong Yoon Shin, Ji Hyun Wi, Yeon Ju Jung
  • Patent number: 11280945
    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: Grant
    Filed: July 12, 2018
    Date of Patent: March 22, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Hyun Hwang, Jin Woo Kim, Dong Yoon Shin
  • Publication number: 20220026614
    Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has an in-plane retardation of about 180 nm to about 220 nm at a wavelength of about 550 nm; and the second retardation layer has an in-plane retardation of about 80 nm to about 100 nm at a wavelength of about 550 nm.
    Type: Application
    Filed: July 21, 2021
    Publication date: January 27, 2022
    Inventors: Bong Choon KIM, Jun Mo KOO, Dong Yoon SHIN, Jung Hun YOU, Sang Hum LEE
  • Publication number: 20210405273
    Abstract: The present invention provides a polarizing plate and a liquid crystal display device comprising same, the polarizing plate comprising: a polarizer; and a first retardation layer and a second retardation layer formed on one surface of the polarizer, wherein the first retardation layer has a thickness direction retardation (Rth) of about ?75 nm to about ?130 nm at a wavelength of about 550 nm, the second retardation layer satisfies Relations 1 and 2, a laminated body of the first retardation layer and the second retardation layer has a thickness direction retardation (Rth) of about ?70 nm to about 0 nm at a wavelength of about 550 nm, and the first retardation layer includes a coating layer formed of a composition containing a cellulose ester-based compound.
    Type: Application
    Filed: December 23, 2019
    Publication date: December 30, 2021
    Inventors: Jun Mo KOO, Jung Hun YOU, Sang Hum LEE, Dong Yoon SHIN
  • Publication number: 20210223438
    Abstract: Provided are an anti-reflective film, a polarizing plate comprising same, and an optical display device comprising same, wherein in the anti-reflective film, a base layer, a high-refractive layer, and a low-refractive layer are sequentially stacked, the low-refractive layer comprising inorganic hollow particles having an average particle diameter of about 70 nm to about 150 nm, the low-refractive layer comprising a single layer arrangement of the inorganic hollow particles.
    Type: Application
    Filed: December 13, 2018
    Publication date: July 22, 2021
    Inventors: Il Woong BAEK, Seo Young KANG, Yoo Jin KIM, Han Su KIM, Dong Yoon SHIN, Yeon Ju JUNG
  • Publication number: 20210190012
    Abstract: According to one embodiment, there is provided a propulsion apparatus of liquid propellant rocket engine. The propulsion apparatus of liquid propellant rocket engine, the propulsion apparatus including: a body in which liquid propellant flows; an injector core located inside the body; at least one outlet connected to the injector core to discharge combustion gas; and an injector for discharging the liquid propellant flowing into the body, wherein the injector is located in an area adjacent to the outlet, wherein the liquid propellant moves between a frame of the body and a frame of the injector core.
    Type: Application
    Filed: March 5, 2021
    Publication date: June 24, 2021
    Applicant: PERIGEE AEROSPACE INC.
    Inventor: Dong Yoon SHIN
  • Publication number: 20210164780
    Abstract: The present disclosure provides a target for aerial survey transformable to hand-fan shape. In this instance, the target includes a central axis, a first identification marker with one end connected to the central axis and having a first length outwards, and a second identification marker with one end connected to the central axis and having a second length outwards, the second identification marker disposed on the first identification marker, wherein the second length is shorter than the first length, the first identification marker includes a plurality of first unit areas having a predetermined angle therebetween with respect to the central axis, and the plurality of first unit areas has an overlap between adjacent first unit areas.
    Type: Application
    Filed: November 24, 2020
    Publication date: June 3, 2021
    Applicant: NATIONAL DISASTER MANAGEMENT RESEARCH INSTITUTE
    Inventors: Seong Sam KIM, Dong Yoon SHIN, Hyun Ju NHO, Je Sung PARK, Hyun Ju KIM
  • Patent number: 11009642
    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: June 4, 2019
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG SDI CO., LTD
    Inventors: Kwang Ho Shin, Eun Su Park, Dong Yoon Shin, Hae Ryong Chung
  • Publication number: 20210132278
    Abstract: Provided are an optical film, a polarizing plate including same, and a display device including same, the optical film comprising a first layer and second and third layers sequentially formed on the first layer, wherein the first layer and the third layer are each formed directly on the second layer, the first layer is a reverse wavelength dispersive negative A layer, the third layer is a positive C layer, and the ratio of the thickness of the second layer to the thickness of the third layer (the thickness of the second layer/the thickness of the third layer) is about 0.2 to about 2.
    Type: Application
    Filed: April 17, 2019
    Publication date: May 6, 2021
    Inventors: Jun Mo KOO, Jung Hun YOU, Sang Hum LEE, Dong Yoon SHIN
  • Publication number: 20210033768
    Abstract: A polarizing plate and an optical display apparatus are provided. A polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has a short wavelength dispersion of about 1 to about 1.03, a long wavelength dispersion of about 0.98 to about 1, and an in-plane retardation of about 180 nm to about 220 nm at a wavelength of 550 nm, the second retardation layer has a short wavelength dispersion of about 1 to about 1.1, a long wavelength dispersion of about 0.96 to about 1, and an in-plane retardation Re of about 70 nm to about 120 nm at a wavelength of 550 nm, and a ratio of out-of-plane retardation of the second retardation layer at a wavelength of 550 nm to thickness thereof is about ?33 nm/?m to about ?15 nm/?m.
    Type: Application
    Filed: July 28, 2020
    Publication date: February 4, 2021
    Inventors: Jun Mo KOO, Bong Choon KIM, Dong Yoon SHIN, Jung Hun YOU, Sang Hum LEE
  • Patent number: 10908337
    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: Grant
    Filed: November 29, 2018
    Date of Patent: February 2, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho, Ji Hyun Hwang
  • Patent number: 10845640
    Abstract: Provided is a liquid crystal display device having a viewing-side polarizing plate, a liquid crystal panel and a light source-side polarizing plate, which are stacked sequentially, wherein the viewing-side polarizing plate comprises a first polarizer and a first protective film formed on a light output surface of the first polarizer, the light source-side polarizing plate comprises a second polarizer and a fourth protective film formed on a light incident surface of the second polarizer, and the TD shrinkage ratio of the fourth protective film is greater than the TD shrinkage ratio of the first protective film.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 24, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Il Woong Baek, Yeon Ju Jung, Han Saem Kang, Yoo Jin Kim, Han Su Kim, Dong Yoon Shin
  • Patent number: 10816710
    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: Grant
    Filed: December 21, 2016
    Date of Patent: October 27, 2020
    Assignee: 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
  • Patent number: 10809432
    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: Grant
    Filed: December 26, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yeon Ju Jung, Seo Young Kang, Han Su Kim, Il Woong Baek, Dong Yoon Shin
  • Publication number: 20200174313
    Abstract: Provided is a liquid crystal display device having a viewing-side polarizing plate, a liquid crystal panel and a light source-side polarizing plate, which are stacked sequentially, wherein the viewing-side polarizing plate comprises a first polarizer and a first protective film formed on a light output surface of the first polarizer, the light source-side polarizing plate comprises a second polarizer and a fourth protective film formed on a light incident surface of the second polarizer, and the TD shrinkage ratio of the fourth protective film is greater than the TD shrinkage ratio of the first protective film.
    Type: Application
    Filed: July 10, 2018
    Publication date: June 4, 2020
    Inventors: Il Woong BAEK, Yeon Ju JUNG, Han Saem KANG, Yoo Jin KIM, Han Su KIM, Dong Yoon SHIN