Patents by Inventor Haeil Park

Haeil Park 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: 9829739
    Abstract: A display device includes a first substrate including a first surface and a second surface, a second substrate disposed on the second surface of the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a color conversion layer disposed on the second substrate, and a third substrate disposed on the color conversion layer. The second surface of the first substrate is opposite the first surface of first substrate. The color conversion layer includes a magnetic anisotropy barrier wall.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Donguk Kim, Junghyun Kwon, Youngmin Kim, Kisoo Park, Haeil Park, Seontae Yoon, Junhan Lee
  • Publication number: 20170269435
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a light amount control layer between the first substrate and the second substrate; a first line disposed on the first substrate and extending in a first direction and a second line disposed on the first substrate and extending in a second direction which intersects the first direction; a light blocking member disposed on the first substrate and overlapping at least one of the first line and the second line; a plurality of color conversion layers on the second substrate in respective pixel areas; and a partition wall among the plurality of color conversion layers, corresponding to the first line and the second line. The partition wall has a width less than a width of the light blocking member.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 21, 2017
    Inventors: Seontae YOON, Junghyun KWON, Donguk KIM, Haeil PARK, Junhan LEE
  • Patent number: 9753327
    Abstract: A display device includes: a first polarizer, a second polarizer, a liquid crystal layer, a color conversion member, an emission layer, and a first substrate. The second polarizer is disposed on the first polarizer. The liquid crystal layer is disposed between the first polarizer and the second polarizer. The color conversion member is disposed between the liquid crystal layer and the second polarizer. The emission layer is disposed on the second polarizer. The emission layer is configured to absorb at least a portion of light passed through the color conversion member and the second polarizer, and to emit light corresponding to at least a blue wavelength. The first substrate is disposed on the emission layer.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Haeil Park, Kisoo Park, Junghyun Kwon, Youngmin Kim, Kwangkeun Lee, Junhan Lee
  • Patent number: 9703191
    Abstract: A method of manufacturing a color conversion substrate includes preparing a substrate including a first pixel region, a second pixel region, and a third pixel region, forming a first color conversion portion corresponding to the first pixel region, forming a second color conversion portion corresponding to the second pixel region, and forming a third color conversion portion corresponding to the third pixel region. The providing the first color conversion portion includes providing a first color filter of a first color corresponding to the first pixel region, providing a first transparent pattern corresponding to the first pixel region, and providing a first pattern layer corresponding to the first pixel region and including a first material which converts light incident thereto into light of the first color, where the first transparent pattern is provided between the first color filter and the first pattern layer.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kisoo Park, Yongseok Kim, Youngmin Kim, Haeil Park, Boram Lee
  • Publication number: 20170153366
    Abstract: A quantum dot color filter includes a first pixel region, a second pixel region, a third pixel region, and a fourth pixel region. The first pixel region includes a first color conversion layer including quantum dots configured to convert incident light into light of a first color. The second pixel region includes a second color conversion layer including quantum dots configured to convert incident light into light of the first color, and a third color conversion layer including quantum dots configured to convert incident light into light of a second color. The third pixel region includes a fourth color conversion layer including quantum dots configured to convert incident light into light of the second color. The fourth pixel region includes a scattering material layer.
    Type: Application
    Filed: May 17, 2016
    Publication date: June 1, 2017
    Inventors: Kisoo PARK, Donguk Kim, Youngmin Kim, Yongseok Kim, Haeil Park
  • Patent number: 9637683
    Abstract: A photosensitive resin composition comprising: a solvent in an amount of about 60 percentage by weight (wt %) to about 95 wt %; and a solid content in an amount of about 5 wt % to about 40 wt %, with respect to a total weight of the photosensitive resin composition, wherein the solid content comprises: a phosphor in an amount of about 5 wt % to about 90 wt %; a photopolymerizable compound in an amount of about 4 wt % to about 70 wt %; a photopolymerization initiator in an amount of about 0.1 wt % to about 20 wt %; an alkali soluble resin in an amount of about 5 wt % to about 80 wt %; and a dispersant in an amount of about 0.1 wt % to about 12 wt %, with respect to a total weight of the solid content.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: May 2, 2017
    Assignees: SAMSUNG DISPLAY CO., LTD., DONGWOO FINE-CHEM CO., LTD.
    Inventors: Baekhee Lee, Minki Nam, Junghyun Kwon, Youngmin Kim, Namseok Roh, Haeil Park, Seontae Yoon, Donguk Kim, Kisoo Park, Kwangkeun Lee, Junhan Lee, Juho Kim, Hyounwoo Kim, Hunsik Kim, Jongsoo Lee
  • Publication number: 20170097541
    Abstract: A display device includes a display member and a backlight unit, where the display member includes a base substrate, a cover layer that is on the base substrate, extends in a first direction, and includes a plurality of portions defining a first cavity and a second cavity that are spaced apart from the base substrate and adjacent to each other in the first direction, a first display element and a second display element that respectively correspond to the first cavity and the second cavity, a color conversion filter that is disposed on the cover layer, and includes a first filter which overlaps the first cavity and converts incident light into a first color light, and a second filter which overlaps the second cavity and converts incident light into a second color light, and an optical member which is disposed between the color conversion filter and the cover layer.
    Type: Application
    Filed: June 2, 2016
    Publication date: April 6, 2017
    Inventors: Dong-uk KIM, Youngmin KIM, Haeil PARK, Seon-tae YOON, Junhan LEE
  • Publication number: 20170068127
    Abstract: An optical filter configured to block light of a wavelength band less than a reference wavelength, in which a k index value of the optical filter is equal to or greater than 0.1 when a wavelength band is less than a reference wavelength, and less than or equal to 0.015 when a wavelength band is greater than the reference wavelength.
    Type: Application
    Filed: March 8, 2016
    Publication date: March 9, 2017
    Inventors: Junhan LEE, Donguk KIM, Youngmin KIM, Kisoo PARK, Haeil PARK
  • Publication number: 20170059985
    Abstract: A method of manufacturing a color conversion substrate includes preparing a substrate including a first pixel region, a second pixel region, and a third pixel region, forming a first color conversion portion corresponding to the first pixel region, forming a second color conversion portion corresponding to the second pixel region, and forming a third color conversion portion corresponding to the third pixel region. The providing the first color conversion portion includes providing a first color filter of a first color corresponding to the first pixel region, providing a first transparent pattern corresponding to the first pixel region, and providing a first pattern layer corresponding to the first pixel region and including a first material which converts light incident thereto into light of the first color, where the first transparent pattern is provided between the first color filter and the first pattern layer.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 2, 2017
    Inventors: Kisoo Park, Yongseok Kim, Youngmin Kim, Haeil Park, Boram Lee
  • Publication number: 20160377920
    Abstract: A display device includes: a first polarizer, a second polarizer, a liquid crystal layer, a color conversion member, an emission layer, and a first substrate. The second polarizer is disposed on the first polarizer. The liquid crystal layer is disposed between the first polarizer and the second polarizer. The color conversion member is disposed between the liquid crystal layer and the second polarizer. The emission layer is disposed on the second polarizer. The emission layer is configured to absorb at least a portion of light passed through the color conversion member and the second polarizer, and to emit light corresponding to at least a blue wavelength. The first substrate is disposed on the emission layer.
    Type: Application
    Filed: March 3, 2016
    Publication date: December 29, 2016
    Inventors: Haeil PARK, Kisoo Park, Junghyun Kwon, Youngmin Kim, Kwangkeun Lee, Junhan Lee
  • Patent number: 9519186
    Abstract: A display device includes a display panel including pixels arranged in a matrix form along first and second directions crossing each other, a backlight unit configured to generate and provide a first light to the display panel, and a color conversion layer. Each pixel includes first and sub-pixels spaced apart from each other. The color conversion layer includes a first sub-color conversion layer overlapping the first sub-pixel and configured to receive the first light and to emit the second light having a wavelength different from that of the first light, and a second sub-color conversion layer overlapping the second sub-pixel, spaced apart from the first sub-color conversion layer and configured to receive the first light and to emit the first light. In a plan view, areas of the first and second sub-color conversion layers are different from each other.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangkeun Lee, Dong-Uk Kim, Youngmin Kim, Min Ki Nam, Haeil Park, Seon-Tae Yoon
  • Publication number: 20160357039
    Abstract: A display device includes a first substrate including a first surface and a second surface, a second substrate disposed on the second surface of the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a color conversion layer disposed on the second substrate, and a third substrate disposed on the color conversion layer. The second surface of the first substrate is opposite the first surface of first substrate. The color conversion layer includes a magnetic anisotropy barrier wall.
    Type: Application
    Filed: June 2, 2016
    Publication date: December 8, 2016
    Inventors: Donguk KIM, Junghyun KWON, Youngmin KIM, Kisoo PARK, Haeil PARK, Seontae YOON, Junhan LEE
  • Publication number: 20160313599
    Abstract: A liquid crystal display (“LCD”) display device including a substrate; a color filter disposed on the substrate; a first polarizing plate disposed on the color filter; a support layer disposed on the first polarizing plate to define a microcavity; and a liquid crystal layer disposed in the microcavity.
    Type: Application
    Filed: February 15, 2016
    Publication date: October 27, 2016
    Inventors: Junghyun KWON, Seontae YOON, Youngmin KIM, Haeil PARK
  • Publication number: 20160306226
    Abstract: A display device includes: a first substrate; a support layer defining a microcavity above the first substrate; a liquid crystal layer disposed in the microcavity; a planarization layer disposed on the support layer; and a blue-light transmission layer disposed between the support layer and the planarization layer. The display device has improved light extraction efficiency and process efficiency.
    Type: Application
    Filed: March 14, 2016
    Publication date: October 20, 2016
    Inventors: Seontae YOON, Junghyun KWON, Minki NAM, Haeil PARK, Kwangkeun LEE, Junhan LEE
  • Publication number: 20160215212
    Abstract: A photosensitive resin composition comprising: a solvent in an amount of about 60 percentage by weight (wt %) to about 95 wt %; and a solid content in an amount of about 5 wt % to about 40 wt %, with respect to a total weight of the photosensitive resin composition, wherein the solid content comprises: a phosphor in an amount of about 5 wt % to about 90 wt %; a photopolymerizable compound in an amount of about 4 wt % to about 70 wt %; a photopolymerization initiator in an amount of about 0.1 wt % to about 20 wt %; an alkali soluble resin in an amount of about 5 wt % to about 80 wt %; and a dispersant in an amount of about 0.1 wt % to about 12 wt %, with respect to a total weight of the solid content.
    Type: Application
    Filed: December 10, 2015
    Publication date: July 28, 2016
    Inventors: Baekhee LEE, Minki NAM, Junghyun KWON, Youngmin KIM, Namseok ROH, Haeil PARK, Seontae YOON, Donguk KIM, Kisoo PARK, Kwangkeun LEE, Junhan LEE, Juho KIM, Hyounwoo KIM, Hunsik KIM, Jongsoo LEE
  • Publication number: 20160215213
    Abstract: A photosensitive resin composition comprises: a solvent in an amount of about 60 percentage by weight (wt %) to about 95 wt %; and a solid content in an amount of about 5 wt % to about 40 wt %, with respect to a total weight of the photosensitive resin composition, wherein the solid content comprises with respect to a total weight of the solid content: a phosphor in an amount of about 5 wt % to about 90 wt %; a photopolymerizable compound in an amount of about 4 wt % to about 70 wt %; an acetophenone-based photopolymerization initiator in an amount of about 0.1 wt % to about 20 wt %; and an alkali soluble resin in an amount of about 5 wt % to about 80 wt %, with respect to a total weight of the solid content.
    Type: Application
    Filed: December 10, 2015
    Publication date: July 28, 2016
    Inventors: Baekhee LEE, Minki NAM, Junghyun KWON, Youngmin KIM, Namseok ROH, Haeil PARK, Seontae YOON, Donguk KIM, Kisoo PARK, Kwangkeun LEE, Junhan LEE, Juho KIM, Hyounwoo KIM, Hunsik KIM, Jongsoo LEE
  • Publication number: 20160161802
    Abstract: A backlight unit includes a substrate having a plurality of block regions, partitions confining the block regions respectively on the substrate, patterns extending along a direction on surfaces of the partitions and being parallel with each other, and light sources disposed respectively in the block regions.
    Type: Application
    Filed: May 21, 2015
    Publication date: June 9, 2016
    Inventors: Junghyun KWON, Seon-Tae YOON, Haeil PARK, Kwangkeun LEE
  • Patent number: 9239458
    Abstract: A display device includes a light source unit that emits a first light with a first wavelength, an optical filter that converts the first light to a second light, and an optical shutter that transmits or reflects the first light or the second light.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: January 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Jong Hyuk Kang, Jae Byung Park, Mun-Ki Sim, Dae Hyun Kim, Minki Nam, Haeil Park, Dong-Hoon Lee, Hyun Min Cho
  • Publication number: 20150323164
    Abstract: A display apparatus includes a display panel that includes a plurality of pixels which displays an image in a front direction, and a backlight unit which provides a light to the display panel and includes a first light source part which is disposed at a rear surface of the display panel, includes a first support substrate and a first light source mounted on the first support substrate and emits a first color light, and a second light source part which is disposed at the rear surface of the display panel, includes a second support substrate partially overlapped with the first support substrate and a second light source mounted on the second support substrate, and emits a second color light having a wavelength band different from that of the first color light, where an opening is defined through the second support substrate and corresponds to the first light source.
    Type: Application
    Filed: January 21, 2015
    Publication date: November 12, 2015
    Inventors: Junghyun KWON, Hyundeok IM, Jong Hyuk KANG, Jae Byung PARK, Haeil PARK, Hyun Min CHO
  • Publication number: 20150286097
    Abstract: A display device includes a display panel including pixels arranged in a matrix form along first and second directions crossing each other, a backlight unit configured to generate and provide a first light to the display panel, and a color conversion layer. Each pixel includes first and sub-pixels spaced apart from each other. The color conversion layer includes a first sub-color conversion layer overlapping the first sub-pixel and configured to receive the first light and to emit the second light having a wavelength different from that of the first light, and a second sub-color conversion layer overlapping the second sub-pixel, spaced apart from the first sub-color conversion layer and configured to receive the first light and to emit the first light. In a plan view, areas of the first and second sub-color conversion layers are different from each other.
    Type: Application
    Filed: October 24, 2014
    Publication date: October 8, 2015
    Inventors: Kwangkeun LEE, DONG-UK KIM, YOUNGMIN KIM, MIN KI NAM, HAEIL PARK, Seon-Tae YOON