Patents by Inventor Byung Hoon SONG

Byung Hoon SONG 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: 11518919
    Abstract: An optical laminate includes two substrates each of which has a tensile modulus in a range from 2,000 MPa to 7,500 MPa, and an adhesive layer interposed between the substrates. A storage modulus at 25° C. of the adhesive layer is 100 kPa or less, and a storage modulus at ?20° C. of the adhesive layer is equal to or less than three times the storage modulus at 25° C. of the adhesive layer. The optical laminate and an image display device including the optical laminate may have an improved flexible property at various temperature ranges and may be capable of minimizing cracks when being bent.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: December 6, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: In Kyu Song, HeeBong Kim, Min Ho Lim, Jun Hee Sung, Byung Hoon Song
  • Patent number: 11360612
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: June 14, 2022
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park, Sun Young Song, Hwansil Jang
  • Patent number: 11119597
    Abstract: Provided is a thin touch sensor having excellent flexibility and durability against bending. A thin adhesive layer with a high elastic modulus under the touch sensing electrode pattern serves as a substrate, and a thick adhesive layer with a low elastic modulus on top of the touch sensor layer disperses the stress of the optical film.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: September 14, 2021
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Sungwoo Yu, Dongjin Son, Byung Hoon Song, Hodong Yoon
  • Patent number: 11011281
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: May 18, 2021
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park
  • Publication number: 20210089151
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Application
    Filed: December 1, 2020
    Publication date: March 25, 2021
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK, Sun Young SONG, Hwansil JANG
  • Patent number: 10884555
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: January 5, 2021
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park, Sun Young Song, Hwansil Jang
  • Publication number: 20200401259
    Abstract: Provided is a thin touch sensor having excellent flexibility and durability against bending.
    Type: Application
    Filed: January 10, 2019
    Publication date: December 24, 2020
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Sungwoo YU, Dongjin SON, Byung Hoon SONG, Hodong YOON
  • Patent number: 10698249
    Abstract: A window substrate includes a base substrate including a display region and a non-display region, a light-shielding pattern disposed on a surface of the base substrate in the non-display region to define the display region and the non-display region, a first adhesive layer formed along a surface of the light-shielding pattern and the surface of the base substrate, a polarizing layer on the first adhesive layer, and a touch sensor layer on the polarizing layer. A viscoelasticity ratio of the light-shielding pattern relative to the first adhesive layer is 75,000 or less, and a thickness ratio of the light-shielding pattern relative to the first adhesive layer is 0.6 or less.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: June 30, 2020
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventor: Byung Hoon Song
  • Publication number: 20190377439
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK
  • Patent number: 10430003
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 1, 2019
    Assignee: DONGWOO FINE-CHEM CO.. LTD.
    Inventors: Byung Hoon Song, Dong Ki Keum, Dae Chul Park
  • Publication number: 20190235308
    Abstract: A window substrate includes a base substrate including a display region and a non-display region, a light-shielding pattern disposed on a surface of the base substrate in the non-display region to define the display region and the non-display region, a first adhesive layer formed along a surface of the light-shielding pattern and the surface of the base substrate, a polarizing layer on the first adhesive layer, and a touch sensor layer on the polarizing layer. A viscoelasticity ratio of the light-shielding pattern relative to the first adhesive layer is 75,000 or less, and a thickness ratio of the light-shielding pattern relative to the first adhesive layer is 0.6 or less.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Inventor: Byung Hoon SONG
  • Patent number: 10078388
    Abstract: A flexible image display device includes a window substrate, a polarizing plate, and a touch panel, wherein a distance between a neutral plane and a lower surface of the touch panel based on a visible side during bending is 34% or less to an entire thickness of the flexible image display device. The flexible image display device has excellent flexibility and may significantly reduce a defect rate due to a damage of the touch panel by minimizing the damage of the touch panel even if repeatedly applying bending fatigue thereto.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: September 18, 2018
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, In Kyu Song
  • Publication number: 20180258332
    Abstract: An optical laminate includes two substrates each of which has a tensile modulus in a range from 2,000 MPa to 7,500 MPa, and an adhesive layer interposed between the substrates. A storage modulus at 25° C. of the adhesive layer is 100 kPa or less, and a storage modulus at ?20° C. of the adhesive layer is equal to or less than three times the storage modulus at 25° C. of the adhesive layer. The optical laminate and an image display device including the optical laminate may have an improved flexible property at various temperature ranges and may be capable of minimizing cracks when being bent.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Inventors: In Kyu SONG, HeeBong KIM, Min Ho LIM, Jun Hee SUNG, Byung Hoon SONG
  • Patent number: 9952730
    Abstract: A flexible touch panel having a bending region which is bendable and a flat region, includes: a plurality of first unit conductive patterns formed in the flat region; and a plurality of second unit conductive patterns formed in the bending region, and the second unit conductive pattern has a smaller width than the first unit conductive pattern.
    Type: Grant
    Filed: March 26, 2016
    Date of Patent: April 24, 2018
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventor: Byung Hoon Song
  • Publication number: 20180024671
    Abstract: Provided is a conductive pattern having at least one unit conductive pattern forming one touch pixel according to an aspect of the present invention. The at least one unit conductive pattern includes a plurality of nanostructures each having opposite ends. A ratio of nanostructures, both opposite ends of which are in contact with edges of the at least one unit conductive pattern to all nanostructures included in the at least one unit conductive pattern is 70% or more.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 25, 2018
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK, Sun Young SONG, Hwansil JANG
  • Publication number: 20180018040
    Abstract: A conductive sheet according to an aspect of the present invention includes a first nanostructure and a second nanostructure disposed to intersect each other. A thickness of an intersect region of the first nanostructure and the second nanostructure is 0.6 to 0.9 times the sum of thicknesses of non-intersection regions of the first nanostructure and the second nanostructure.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 18, 2018
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon SONG, Dong Ki KEUM, Dae Chul PARK
  • Patent number: 9823797
    Abstract: A touch panel includes a bending region which is at least one region which is bendable in the touch panel based on an axis; a flat region which is a region which is not bendable in the touch panel; a first unit conductive pattern formed in the flat region and configured to sense a touch; and a second unit conductive pattern formed in the bending region and configured to sense the touch. A dimension of the second unit conductive pattern is smaller than that of the first unit conductive pattern due to an opening portion formed in the second unit conductive pattern.
    Type: Grant
    Filed: March 26, 2016
    Date of Patent: November 21, 2017
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventor: Byung Hoon Song
  • Publication number: 20170277291
    Abstract: The present invention relates to a touch sensing electrode with a polarizing plate, a display device comprising the same, and a method for fabricating the same. The touch sensing electrode with a polarizing plate according to the present invention comprises a touch sensing electrode capable of being folded and unfolded on its folding axis; a retardation film disposed on the touch sensing electrode and having a slow axis that forms an inclined angle with the folding axis; and a polarizing plate disposed on the retardation film.
    Type: Application
    Filed: September 22, 2015
    Publication date: September 28, 2017
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jaehyun LEE, Byung Jin CHOI, Dong Pil PARK, Yong Won SEO, Byung Hoon SONG
  • Publication number: 20170147117
    Abstract: A flexible image display device includes a window substrate, a polarizing plate, and a touch panel, wherein a distance between a neutral plane and a lower surface of the touch panel based on a visible side during bending is 34% or less to an entire thickness of the flexible image display device. The flexible image display device has excellent flexibility and may significantly reduce a defect rate due to a damage of the touch panel by minimizing the damage of the touch panel even if repeatedly applying bending fatigue thereto.
    Type: Application
    Filed: November 21, 2016
    Publication date: May 25, 2017
    Inventors: Byung Hoon SONG, In Kyu SONG
  • Patent number: RE48273
    Abstract: A flexible image display device includes a window substrate, a polarizing plate, and a touch panel, wherein a distance between a neutral plane and a lower surface of the touch panel based on a visible side during bending is 34% or less to an entire thickness of the flexible image display device. The flexible image display device has excellent flexibility and may significantly reduce a defect rate due to a damage of the touch panel by minimizing the damage of the touch panel even if repeatedly applying bending fatigue thereto.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: October 20, 2020
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Hoon Song, In Kyu Song