Patents Assigned to CORNING PRECISION MATERIALS CO., LTD.
  • Patent number: 10737968
    Abstract: A method and apparatus for cutting a glass laminate. A trench line is formed in a glass substrate that is an uppermost layer of a glass laminate by scoring a surface of the glass substrate. The glass laminate is cut in the direction parallel to the trench line. It is possible to prevent the propagation of cracks commonly formed during the cutting of glass laminates.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: August 11, 2020
    Assignee: CORNING PRECISION MATERIALS CO., LTD
    Inventors: Sang Jin Hong, Joon-Soo Kim, Sang Yoon Oh, Dong Keun Shin, Min Soo Song
  • Patent number: 10683228
    Abstract: The present invention relates to an apparatus for molding a glass substrate, and more specifically, to an apparatus for molding a glass substrate capable of forming a glass substrate in a 3D shape and preventing the shape of a vacuum hole from transferring onto the surface of the substrate.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: June 16, 2020
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Jae Seon Hong, Myung Hwan Kim, Bong Chul Kim, Jong Hwa Kim, Duck Kyo Seo, Jae Mun Hwang
  • Patent number: 10462856
    Abstract: A high frequency heating apparatus which heats a substrate by applying high frequency waves thereto. The high frequency heating apparatus includes a high frequency generator which generates high frequency to heat the substrate. The distance from the substrate to the high frequency generator is n/2*?, where n is a natural number ranging from 1 to 6, and ? is the wavelength of the high frequency that is generated by the high frequency generator.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: October 29, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Hoikwan Lee, Kyungmin Yoon, Seo-Yeong Cho
  • Patent number: 10451774
    Abstract: The present invention relates to a substrate for a display device and, more particularly, to a substrate for a display device which has excellent durability and also can minimize generation of color shift when being applied to a display device.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: October 22, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Jin Soo An, Jung Hong Oh, Min Seok Kim
  • Patent number: 10454071
    Abstract: The present invention relates to a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same and, more particularly, to a light extraction substrate for an organic light emitting element exhibiting a good light extraction efficiency, a method for manufacturing the same, and an organic light emitting element comprising the same. To this end, the present invention provides a light extraction substrate for an organic light emitting element, a method for manufacturing the same, and an organic light emitting element comprising the same, the light extraction substrate comprising a first light extraction layer having a plurality of pores formed therein and made of a first metal oxide doped with a dopant; and a second light extraction layer formed on the first light extraction layer and made of a second metal oxide which has a different atomic diffusion rate compared to the first metal oxide.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: October 22, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Hyun Hee Lee, Hong Yoon, Seo Hyun Kim, Kyoung Wook Park, Jeong Woo Park, June Hyong Park, Il Hee Baek, Gun Sang Yoon, Joo Young Lee, Eun Ho Choi
  • Patent number: 10401992
    Abstract: The present invention relates to a substrate for a display device and, more particularly, to a substrate for a display device, which not only has excellent durability, but can also minimize the occurrence of color shift when applied to a display device. To this end, the present invention provides a substrate for a display device, which is characterized by including: a substrate; a hard coat film formed on the substrate and formed of AlON; and a multilayer film formed between the substrate and the hard coat film, and formed of a coating film having a first refractive index and a coating film having a second refractive index, which are repetitively stacked in sequence.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: September 3, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Jin Soo An, Min Seok Kim
  • Patent number: 10397456
    Abstract: An apparatus for inspecting an edge portion of a substrate can inspect a defect or a chamfered width on an edge portion of a substrate. First and second right-angled prisms are disposed above and below the edge portion such that inclined surfaces thereof are directed toward the upper surface and lower surface of the edge portion. A lighting part irradiates the edge portion of the substrate with light. A photographing part is disposed adjacent to the edge portion. The photographing part takes an image of the upper surface of the edge portion from light that has passed through the first right-angled prism, an image of the lower surface of the edge portion from light that has passed through the second right-angled prism, and an image of an end surface of the edge portion.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: August 27, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventor: Siho Seong
  • Patent number: 10308543
    Abstract: A cutting method and cutting stage of toughened glass with which a piece of toughened glass is divided into unit pieces of toughened glass. The cutting method cuts a piece of toughened glass which is strengthened by forming a compressive stress in the surface of a raw glass plate. The method includes the steps of reducing the central tension inside a cutting portion of the piece of toughened glass that is to be cut by concavely bending the cutting portion; and cutting the piece of toughened glass by forming a median crack in the cutting portion.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: June 4, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventor: Jae Chang Lee
  • Patent number: 10302824
    Abstract: Provided is a method of preparing a light scattering layer including voids as a light scattering enhancer instead of metal oxide particles. Provided is also a light scattering layer including voids as a light scattering enhancer instead of metal oxide particles. Provided is also an organic electroluminescent device including the light scattering layer that includes voids as the light scattering enhancer instead of metal oxide particles.
    Type: Grant
    Filed: January 2, 2015
    Date of Patent: May 28, 2019
    Assignees: CORNING PRECISION MATERIALS CO., LTD., SAMSUNG ELECTRONIC CO., LTD.
    Inventors: Seohyun Kim, Gunsang Yoon, Yunyoung Kwon, Kyungwook Park
  • Patent number: 10295705
    Abstract: Provided is an anti-reflection glass substrate comprising an anti-reflection layer having a predetermined thickness from the surface, the anti-reflection glass substrate being characterized in that the anti-reflection layer has at least two layers of a first layer and a second layer successively provided in the depth direction from the surface, each of the first layer and the second layer has a plurality of pores, and the porosity of the first layer is smaller than the porosity of the second layer. In addition, provided is a method for manufacturing an anti-reflection glass substrate, the method successively comprising a step of etching a glass substrate using a first etching liquid and a step of etching the glass substrate using a second etching liquid, the method being characterized in that the molarity of multivalent metal ions of the first etching liquid is larger than the molarity of multivalent metal ions of the second etching liquid.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: May 21, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Jin Su Nam, Seon Ki Kim, Jung Keun Oh, Su Yeon Lee, Myeong Jin Ahn, Jae Ho Lee
  • Patent number: 10276834
    Abstract: An organic light-emitting device (OLED) which exhibits superior light extraction efficiency due to an extraction structure for dipole light generated from an organic light-emitting layer. The OLED includes a first glass substrate, a first electrode disposed on the first glass substrate, an organic light-emitting layer disposed on the first electrode, a second electrode disposed on the organic light-emitting layer, and a second glass substrate disposed on the second electrode. The second electrode has a composite electrode structure including a first transparent electrode layer and a second transparent electrode layer stacked on each other, the refractive index of the second transparent electrode layer being higher than the refractive index of the first transparent electrode layer.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: April 30, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventor: Hong Yoon
  • Patent number: 10269505
    Abstract: Provided are a multi-layered graphene film, a method of manufacturing the multi-layered graphene film, and an energy storage device using the multi-layered graphene film as an electrode. The multi-layered graphene film includes a first graphene layer, a spacer layer provided on the first graphene layer, and an upper graphene layer provided on the spacer layer. The spacer layer is provided to maintain a desired distance between the first graphene layer and the upper graphene layer. A plurality of layers with different layer configurations are further provided between the spacer layer and the upper graphene layer. The spacer layer may a graphene or a graphene oxide layer.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: April 23, 2019
    Assignees: Samsung Electronics Co., Ltd., Corning Precision Materials Co., Ltd.
    Inventors: Dong-wook Lee, Soon-geun Kwon
  • Patent number: 10256439
    Abstract: The present invention relates to a tandem organic light-emitting element, more particularly to a tandem organic light-emitting element which may decrease a driving voltage in a driving region of a charge generation layer by sequentially laminating an electronics layer, which is doped with a metal dopant, and an electronics layer, which is doped with an organic dopant, on one side of the charge generation layer, thereby having increased power efficiency and life span.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: April 9, 2019
    Assignees: Corning Precision Materials Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hyung Seok Lee, Kwang Je Woo, Jang Dae Youn, Jang Hyuk Kwon, Young Hoon Son
  • Patent number: 10215907
    Abstract: The present invention relates to a substrate for color conversion, a manufacturing method therefor, and a display device comprising the same and, more specifically, to a substrate for color conversion for not only securing the long-term stability of quantum dots but also exhibiting excellent color conversion efficiency, a manufacturing method therefor, and a display device comprising the same. To this end, the present invention provides a substrate for color conversion, a manufacturing method therefor, and a display device, the substrate for color conversion comprising: a thin plate glass; a coating layer for quantum dots formed on one surface of the thin plate glass; a light guide plate disposed to face the coating layer for quantum dots, a light emitting diode being disposed on the sides thereof; and a sealing material which is formed between the thin plate glass and the light guide plate and which blocks the coating layer for quantum dots from the outside.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: February 26, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Yoon Seuk Oh, Hyung Soo Moon, Ki Yeon Lee, Young Suk Lee, Nae Young Jung, Yoon Young Kwon, Choon Bong Yang
  • Patent number: 10214439
    Abstract: The present invention provides a non-contact vibration suppression device comprising a first ultrasonic vibration unit and a second ultrasonic vibration unit, the device being characterized in that the first ultrasonic vibration unit and the second ultrasonic vibration unit are installed to face each other while being spaced from each other such that an object can be interposed therebetween, the first ultrasonic vibration unit and the second ultrasonic vibration unit generate ultrasonic vibrations, respectively, and apply repulsive forces, which result from the ultrasonic vibrations, to the object such that the object is constrained with no contact between the first ultrasonic vibration unit and the second ultrasonic vibration unit, thereby suppressing vibration of the object.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: February 26, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Shin Kim, Ki Nam Kim, Mun Hwan Seol, Dong Young Cho
  • Patent number: 10214000
    Abstract: The present invention provides a method for applying a film in which non-contact repulsive forces generated by ultrasonic vibration are applied using an ultrasonic vibration unit (A) to a surface of a substrate so as to support the surface of the substrate without contact, and a film is pressed and applied to the other surface of the substrate using a pressing roller. The ultrasonic vibration unit (A) may comprise: an ultrasonic vibration body facing a surface of the substrate; and an ultrasonic excitement unit for exciting the ultrasonic vibration body. In addition, the present invention provides an apparatus for applying a film comprising: an ultrasonic vibration unit (A) for applying non-contact repulsive forces generated by the ultrasonic vibration to a surface of a substrate so as to support the surface of the substrate without contact; and a pressing roller for pressing and applying a film to the other surface of the substrate.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: February 26, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Mun Hwan Seol, Ki Nam Kim, Shin Kim, Dong Young Cho
  • Patent number: 10211377
    Abstract: The present invention relates to a method for manufacturing a light-emitting diode package, and more specifically to a method for manufacturing a light-emitting diode package that does not need an additional color conversion frit heat-treatment process and cutting process after bonding between the color conversion frit and a light-emitting diode chip. To this end, the present invention provides a method for manufacturing a light-emitting diode package characterized in that the present invention comprises: a color conversion frit formation step for forming a color conversion frit in which phosphor is included on a substrate; a color conversion frit transcription step for transcribing the color conversion frit formed on the substrate from the substrate to a transcription film; and a color conversion frit bonding step for bonding the color conversion frit transcribed on the transcription film onto a light-emitting diode package.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: February 19, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Yoon Seuk Oh, Ki Yeon Lee, Hyung Soo Moon, Bo Mi Kim, Jhee Mann Kim, Cheol Min Park, Choon Bong Yang
  • Patent number: 10186685
    Abstract: The present invention relates to a method for manufacturing a light extraction substrate for an organic light emitting diode, a light extraction substrate for an organic light emitting diode, and an organic light emitting diode comprising same, and more specifically, to a method for manufacturing a light extraction substrate for an organic light emitting diode, a light extraction substrate for an organic light emitting diode, and an organic light emitting diode comprising same, capable of significantly increasing light extraction efficiency of the organic light emitting diode.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: January 22, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventor: Joo Young Lee
  • Patent number: 10177343
    Abstract: The present invention provides a light extraction substrate for an organic light emitting device, comprising: a base substrate; a scattering layer formed on the base substrate and made of TiO2; a plurality of first light scatterers formed inside the scattering layer and having a porous form; and a flat layer formed on the scattering layer, wherein the scattering layer is internally permeated by a part of the materials constituting the flat layer.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: January 8, 2019
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Joo Young Lee, Seo Hyun Kim, Eun Ho Choi
  • Patent number: 10162085
    Abstract: The present invention relates to a large area organic light emitting panel and, more particularly, to a large area organic light emitting panel which prevents an observer in front of the panel from recognizing a seam connecting organic light emitting panels, i.e. which can implement a seamless effect. To this end, the present invention provides a large area organic light emitting panel comprising: a plurality of organic light emitting panels arranged vertically and horizontally; and a seam part, formed between the plurality of organic light emitting panels, for connecting the plurality of organic light emitting panels and refracting, to the front, light laterally emitted from the organic light emitting panels by a wave guiding effect.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: December 25, 2018
    Assignee: Corning Precision Materials Co., Ltd.
    Inventors: Joo Young Lee, Kyoung Wook Park