Patents by Inventor Eun-Ae Kwak

Eun-Ae Kwak 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: 11054690
    Abstract: A display device including a display panel and a light source to irradiate to the display panel a first color light having a peak wavelength within a specific wavelength range. The display panel includes a first display substrate, a second display substrate facing the first display substrate and including a base substrate, a metal layer, which includes metal grid patterns disposed on the base substrate, and a color conversion layer, which is disposed on the base substrate to cover the metal grid patterns, and a liquid crystal layer provided between the first and second display substrates. The metal grid patterns are configured to block a fraction of an ambient incident light that is in a specific wavelength range, and a peak wavelength of the first color light is within the specific wavelength range.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-uk Kim, Eun-ae Kwak, Junho Song, Youngje Cho
  • Patent number: 10969629
    Abstract: A color conversion substrate and a display device including the same. The color conversion substrate includes a color filter layer having a plurality of color filters, and a color conversion layer disposed on the color filter layer. The color conversion layer includes a plurality of dams, and a plurality of conversion parts disposed between the dams. A reflection layer is disposed on the dams, and a hydrophobic area is disposed on the reflection layer, overlapping an upper surface of the dams, and non-overlapping a side surface of the dams. The display device further includes a light source configured to output a first color light to the color conversion substrate.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: April 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-ae Kwak, Min-uk Kim, Junho Song, Youngje Cho
  • Publication number: 20210066399
    Abstract: A display panel including a light emitting element to emit a source light and including a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and outputting a source light, a pixel definition layer including an opening exposing at least a portion of the first electrode, an optical conversion pattern disposed on the pixel definition layer, a reflection pattern disposed on the light emitting element and including an inclined surface, and a first light blocking pattern disposed outside from the optical conversion pattern when viewed in a plan view.
    Type: Application
    Filed: July 28, 2020
    Publication date: March 4, 2021
    Inventors: KWANG SOO BAE, Beomsoo Park, Eun-Ae Kwak, Minjeong OH, Young Je Cho
  • Publication number: 20200292886
    Abstract: A color conversion substrate and a display device including the same. The color conversion substrate includes a color filter layer having a plurality of color filters, and a color conversion layer disposed on the color filter layer. The color conversion layer includes a plurality of dams, and a plurality of conversion parts disposed between the dams. A reflection layer is disposed on the dams, and a hydrophobic area is disposed on the reflection layer, overlapping an upper surface of the dams, and non-overlapping a side surface of the dams. The display device further includes a light source configured to output a first color light to the color conversion substrate.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Inventors: Eun-ae KWAK, Min-uk Kim, Junho Song, Youngje Cho
  • Patent number: 10732503
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 10705384
    Abstract: A display device includes a display panel and a light source for outputting a first color light to the display panel. The display panel includes a first display substrate, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first display substrate and the second substrate. The second display substrate includes a base substrate, a color filter layer including a plurality of color filters spaced apart from each other on the base substrate, a color conversion layer including a plurality of dams, and a plurality of conversion parts overlapping the color filters, disposed on the base substrate, and disposed between the plurality of dams, a reflection layer disposed on the dams, and a hydrophobic area disposed on the reflection layer, overlapping an upper surface of the dams, and non-overlapping a side surface of the dams.
    Type: Grant
    Filed: January 6, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-ae Kwak, Min-uk Kim, Junho Song, Youngje Cho
  • Patent number: 10509150
    Abstract: A method of fabricating a wire grid polarizer includes sequentially depositing a conductive wire pattern layer, and a plurality of guide patterns which forms one or more trenches therebetween on the conductive wire pattern layer, hydrophobically treating surfaces of the conductive wire pattern layer exposed in the trenches, and the guide patterns, coating the hydrophobically treated conductive wire pattern layer in the trenches with a neutral layer to partially fill the trenches, filling a remainder of the trenches with a block copolymer of two monomers with different etching rates, aligning the block copolymer filled in the trenches, selectively removing blocks of one monomer among the two monomers from the aligned block copolymer, and patterning the conductive wire pattern layer by using blocks of the other monomer among the two monomers remaining in the trenches and the guide patterns as a mask.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun Ae Kwak, Min Hyuck Kang, Moon Gyu Lee
  • Publication number: 20190212614
    Abstract: A display device includes a display panel and a light source for outputting a first color light to the display panel. The display panel includes a first display substrate, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first display substrate and the second substrate. The second display substrate includes a base substrate, a color filter layer including a plurality of color filters spaced apart from each other on the base substrate, a color conversion layer including a plurality of dams, and a plurality of conversion parts overlapping the color filters, disposed on the base substrate, and disposed between the plurality of dams, a reflection layer disposed on the dams, and a hydrophobic area disposed on the reflection layer, overlapping an upper surface of the dams, and non-overlapping a side surface of the dams.
    Type: Application
    Filed: January 6, 2019
    Publication date: July 11, 2019
    Inventors: Eun-ae KWAK, Min-uk KIM, Junho SONG, Youngje CHO
  • Publication number: 20190146270
    Abstract: A display device including a display panel and a light source to irradiate to the display panel a first color light having a peak wavelength within a specific wavelength range. The display panel includes a first display substrate, a second display substrate facing the first display substrate and including a base substrate, a metal layer, which includes metal grid patterns disposed on the base substrate, and a color conversion layer, which is disposed on the base substrate to cover the metal grid patterns, and a liquid crystal layer provided between the first and second display substrates. The metal grid patterns are configured to block a fraction of an ambient incident light that is in a specific wavelength range, and a peak wavelength of the first color light is within the specific wavelength range.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 16, 2019
    Inventors: Min-uk KIM, Eun-ae KWAK, Junho SONG, Youngje CHO
  • Publication number: 20190146130
    Abstract: A reflective display and method of manufacturing reflective display device, the reflective display device including a first substrate, a polarization layer disposed on the first substrate and including a plurality of wire patterns, and a photonic crystal unit including a plurality of nanopatterns arranged over the first substrate at predetermined pitches. As a result, a reflective display device may provide an excellent contrast ratio and an excellent color reproducibility.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 16, 2019
    Inventors: Eun Ae Kwak, Min Uk Kim, Jun Ho Song, Young Je Cho
  • Publication number: 20180348635
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Application
    Filed: July 19, 2018
    Publication date: December 6, 2018
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 10048530
    Abstract: A display device may include: a substrate; a transparent partition wall disposed on the substrate, the transparent partition configured to define a plurality of openings; a light-shielding member disposed on a top surface and side surfaces of the transparent partition wall, the light-shielding member including a negative photosensitive organic material; and a first color conversion pattern disposed in at least on of the plurality of openings, the first color conversion pattern including a quantum dot material or a fluorescent material.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: August 14, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Uk Kim, Eun Ae Kwak, Sung Man Kim, Jun Ho Song
  • Patent number: 10042256
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: August 7, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo
  • Patent number: 10005100
    Abstract: A method of forming fine patterns includes the steps of forming a conductive layer on a base part, forming a sacrificial layer including an adhesive material on the conductive layer, the adhesive material including a catechol group, forming resist patterns on the sacrificial layer, and forming fine patterns by patterning the conductive layer using the resist patterns as a mask.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: June 26, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Ae Kwak, Min Hyuck Kang, Gug Rae Jo
  • Publication number: 20180136382
    Abstract: A method of fabricating a wire grid polarizer includes sequentially depositing a conductive wire pattern layer, and a plurality of guide patterns which forms one or more trenches therebetween on the conductive wire pattern layer, hydrophobically treating surfaces of the conductive wire pattern layer exposed in the trenches, and the guide patterns, coating the hydrophobically treated conductive wire pattern layer in the trenches with a neutral layer to partially fill the trenches, filling a remainder of the trenches with a block copolymer of two monomers with different etching rates, aligning the block copolymer filled in the trenches, selectively removing blocks of one monomer among the two monomers from the aligned block copolymer, and patterning the conductive wire pattern layer by using blocks of the other monomer among the two monomers remaining in the trenches and the guide patterns as a mask.
    Type: Application
    Filed: January 15, 2018
    Publication date: May 17, 2018
    Inventors: Eun Ae KWAK, Min Hyuck KANG, Moon Gyu LEE
  • Patent number: 9952366
    Abstract: A patterning method includes forming guide layer patterns, which are separated from each other, on a top surface of a base substrate, forming a neutral layer, which includes a random copolymer comprising first blocks or second blocks, on an entirety of the top surface of the base substrate exposed between the guide layer patterns, forming hydrophobic layer patterns which extend from top surfaces of the guide layer patterns to side surfaces of the guide layer patterns and are separated from each other, coating a block copolymer, which comprises the first blocks and the second blocks, on a top surface of the neutral layer exposed between the hydrophobic layer patterns, alternately arranging the first blocks and the second blocks by heat-treating or solvent-annealing the block copolymer, and forming block copolymer patterns by removing the first blocks or the second blocks.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: April 24, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Lei Xie, Moon Gyu Lee, Hyeong Gyu Jang
  • Patent number: 9903991
    Abstract: A method of fabricating a wire grid polarizer includes sequentially depositing a conductive wire pattern layer, and a plurality of guide patterns which forms one or more trenches therebetween on the conductive wire pattern layer, hydrophobically treating surfaces of the conductive wire pattern layer exposed in the trenches, and the guide patterns, coating the hydrophobically treated conductive wire pattern layer in the trenches with a neutral layer to partially fill the trenches, filling a remainder of the trenches with a block copolymer of two monomers with different etching rates, aligning the block copolymer filled in the trenches, selectively removing blocks of one monomer among the two monomers from the aligned block copolymer, and patterning the conductive wire pattern layer by using blocks of the other monomer among the two monomers remaining in the trenches and the guide patterns as a mask.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun Ae Kwak, Min Hyuck Kang, Moon Gyu Lee
  • Publication number: 20170348729
    Abstract: A method of forming fine patterns includes the steps of forming a conductive layer on a base part, forming a sacrificial layer including an adhesive material on the conductive layer, the adhesive material including a catechol group, forming resist patterns on the sacrificial layer, and forming fine patterns by patterning the conductive layer using the resist patterns as a mask.
    Type: Application
    Filed: November 10, 2016
    Publication date: December 7, 2017
    Inventors: Eun Ae KWAK, Min Hyuck KANG, Gug Rae JO
  • Patent number: 9612379
    Abstract: A method of fabricating a wire grid polarizer includes sequentially forming a conductive layer, a guide layer, and a surface treatment protection layer on a substrate, patterning the surface treatment protection layer and the guide layer, forming a surface treatment film on side surfaces and upper surfaces of the first and second patterns, removing the first and second surface treatment protection patterns from the respective first and second patterns on which the surface treatment film is formed, to expose upper surfaces of the first and second guide patterns and providing a block copolymer of two monomers having mutually different etch rates into a space defined by the conductive layer and the first and second guide patterns, wherein a transfer layer which is hydrophobic to the block copolymer of two monomers is formed on the upper surfaces of the first and second guide patterns.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Ae Kwak, Min Hyuck Kang, Hyeong Gyu Jang
  • Publication number: 20170090285
    Abstract: A method of manufacturing a wire grid pattern includes providing a laminate having a base member, a metal layer disposed on the base member, a mask layer disposed on the metal layer and containing a metal oxide, an adhesive layer disposed on the mask layer, and a patterned resin layer disposed on the adhesive layer and formed by irradiation of first light; and irradiating the laminate with second light. The adhesive layer may comprise a silane coupling agent.
    Type: Application
    Filed: May 31, 2016
    Publication date: March 30, 2017
    Inventors: Min Hyuck Kang, Eun Ae Kwak, Dong Eon Lee, Gug Rae Jo