Patents by Inventor Hyundeok Im

Hyundeok Im 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: 10818647
    Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Daehyun Kim, Hyundeok Im, Hyunmin Cho, Jonghyuk Kang, Sungjin Hong, Jooyeol Lee, Chio Cho
  • Patent number: 10797212
    Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 6, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
  • Publication number: 20200295223
    Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Inventors: Hyunmin CHO, Daehyun KIM, Sungchul KIM, Jonghyuk KANG, Keunkyu SONG, Jooyeol LEE, Hyundeok IM, Chio CHO, Hyeyong CHU, Sungjin HONG
  • Patent number: 10718971
    Abstract: A display device includes a display panel including a lower substrate, a resonance unit disposed on the lower substrate, a pixel disposed on the resonance unit, and a polarizing plate disposed on the pixel and having a first polarization axis, where the pixel includes a first sub pixel which displays a first color and a second sub pixel which displays a second color different from the first color, and a backlight unit disposed below the display panel and which supplies backlight to the display panel where the resonance unit includes a first optical cavity having a first resonance frequency corresponding to the first color and a second optical cavity having a second resonance frequency corresponding to the second color.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyundeok Im, Jaewoong Kang, Jonghyuk Kang, Daehyun Kim, Jaebyung Park, Hyunmin Cho, Sung-jin Hong
  • Patent number: 10672946
    Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunmin Cho, Daehyun Kim, Sungchul Kim, Jonghyuk Kang, Keunkyu Song, Jooyeol Lee, Hyundeok Im, Chio Cho, Hyeyong Chu, Sungjin Hong
  • Patent number: 10564344
    Abstract: A display panel includes a first substrate including a first base substrate and a pixel part, a second substrate disposed under the first substrate and including a second base substrate, which includes a side surface and an upper surface connected to the side surface, and a light exit direction control plate disposed between the second base substrate and the pixel part, and a light source part disposed to face the side surface of the second base substrate and which provides the side surface with a light. The second base substrate guides the light to allow the light to exit through the upper surface as a surface light source and the light exit direction control plate includes a light exit direction control groove to control an exit angle of the surface light source.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyundeok Im, Jonghyuk Kang, Jaebyung Park, Hyunmin Cho
  • Patent number: 10551671
    Abstract: A display device includes a display panel including a first display substrate and a backlight unit. The first display substrate includes a base substrate in which a groove is recessed from a first surface thereof, a light converting layer in the groove, and a protection layer overlapping the light converting layer in the groove and the first surface of the base substrate.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jaebyung Park, Hyunmin Cho, Sung-jin Hong, Jaewoong Kang, Jooyeol Lee
  • Patent number: 10539828
    Abstract: A polarizing light emitting plate includes a polarizing layer having a polarizing axis substantially parallel to a first direction, a quantum rod layer including quantum rods aligned in the first direction, and an attachment layer between the polarizing layer and the quantum rod layer and comprising an adhesive material.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: January 21, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Daehyun Kim, Jaebyung Park, Hyundeok Im, Jonghyuk Kang, Hyunmin Cho
  • Publication number: 20190333904
    Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.
    Type: Application
    Filed: July 10, 2019
    Publication date: October 31, 2019
    Inventors: Hyunmin CHO, Daehyun KIM, Hyundeok IM, Jonghyuk KANG, Jaebyung PARK, Jooyeol LEE, Chio CHO, Sungjin HONG
  • Publication number: 20190326348
    Abstract: A display device and a method of manufacturing a display device are provided. A display device includes: a substrate; a switching element on the substrate; a first insulating layer on the switching element; a first alignment electrode and a second alignment electrode disposed on the first insulating layer so as to face each other; a second insulating layer on the first alignment electrode and the second alignment electrode; a first driving electrode on the second insulating layer and connected to the switching element; a second driving electrode disposed on the second insulating layer so as to face the first driving electrode; and a light emitting element between the first driving electrode and the second driving electrode, and a distance between the first alignment electrode and the second alignment electrode is less than a distance between the first driving electrode and the second driving electrode.
    Type: Application
    Filed: February 21, 2019
    Publication date: October 24, 2019
    Inventors: Hyundeok IM, Jonghyuk KANG, Daehyun KIM, Jooyeol LEE, Hyunmin CHO
  • Patent number: 10446098
    Abstract: A display device includes a display panel comprising a first pixel and a second pixel, and a light source unit providing, to the display panel, a first light and a second light having different wavelengths from each other where the first pixel includes a wavelength conversion layer which transmits the first light and converts the second light into a third light to thereby emit the third light, and the second pixel includes a light transmission layer which transmits the first light and the second light.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaebyung Park, Hyundeok Im, Hyunmin Cho, Jonghyuk Kang, Suksun Lee, Jaewoong Kang, Sungjin Hong
  • Publication number: 20190206852
    Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 4, 2019
    Inventors: Hyunmin CHO, Daehyun KIM, Hyundeok IM, Jonghyuk KANG, Jaebyung PARK, Jooyeol LEE, Chio CHO, Sungjin HONG
  • Patent number: 10295726
    Abstract: A display apparatus includes a light source and a display panel. The light source emits a light. The display panel includes a first polarizing plate, a second polarizing plate, a third polarizing plate, and a shutter. The first polarizing plate receives the light provided from the light source and incident to a lower portion thereof and linearly polarizes the light incident thereto. The second polarizing plate is disposed on the first polarizing plate and circularly polarizes the light exiting through the first polarizing plate. The third polarizing plate is disposed on the second polarizing plate and linearly polarizes the light incident thereto. The shutter is disposed on the first polarizing plate and mechanically deforms in a thickness direction of the first polarizing plate in response to an electrical signal. The display apparatus displays a grayscale in accordance with mechanical deformation of the shutter.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyundeok Im, Jaebyung Park, Daehyun Kim, Hyunmin Cho
  • Publication number: 20190115513
    Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 18, 2019
    Inventors: Hyundeok Im, Jonghyuk Kang, Daehyun Kim, Jooyeol Lee, Hyunmin Cho
  • Patent number: 10249603
    Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: April 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunmin Cho, Daehyun Kim, Hyundeok Im, Jonghyuk Kang, Jaebyung Park, Jooyeol Lee, Chio Cho, Sungjin Hong
  • Patent number: 10197855
    Abstract: A liquid crystal display device includes a display panel which displays an image, an accommodating frame in which the display panel is accommodated, the accommodating frame including a bottom portion, a plurality of light source units arranged in a matrix form on the bottom portion, and a plurality of partitions dividing the plurality of light source units based on a row or column direction, wherein each of the plurality of light source units includes a plurality of light sources having different wavelengths, and the partition is spaced apart from the display panel and the bottom portion.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: February 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunmin Cho, Jonghyuk Kang, Jaebyung Park, Hyundeok Im, Jaewoong Kang, Sungjin Hong
  • Patent number: 10101612
    Abstract: A polarization selection color filter includes: a first color conversion layer including a plurality of first quantum rods absorbing light of a first wavelength and emitting light of a second wavelength that is longer than the first wavelength; and a second color conversion layer including a plurality of second quantum rods disposed on the first color conversion layer, absorbing the light of the second wavelength and emitting light of a third wavelength that is longer than the second wavelength. The polarization selection color filter is applicable to a color filter array of a display device and may improve a contrast ratio.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 16, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyundeok Im, Jaewoong Kang, Jonghyuk Kang, Deahyun Kim, Jaebyung Park, Jooyeol Lee, Hyunmin Cho
  • Patent number: 10025139
    Abstract: A display device includes: a display panel; a light source which supplies light to the display panel; and a light converting member which converts a portion of the light emitted from the light source into light in a wavelength range of about 500 nanometers (nm) to about 580 nm, where the light source includes: a light emitting diode; and red phosphors.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: July 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jonghyuk Kang, Daehyun Kim, Hyundeok Im, Jaewoong Kang, Jaebyung Park, Hyunmin Cho, Sungjin Hong
  • Publication number: 20180019369
    Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventors: Hyunmin CHO, Daehyun KIM, Sungchul KIM, Jonghyuk KANG, Keunkyu SONG, Jooyeol LEE, Hyundeok IM, Chio CHO, Hyeyong CHU, Sungjin HONG
  • Publication number: 20180012876
    Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 11, 2018
    Inventors: Daehyun KIM, Hyundeok IM, Hyunmin CHO, Jonghyuk KANG, Sungjin HONG, Jooyeol LEE, Chio CHO