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).

  • 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
  • Patent number: 9864230
    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: Grant
    Filed: January 21, 2015
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junghyun Kwon, Hyundeok Im, Jong Hyuk Kang, Jae Byung Park, Haeil Park, Hyun Min Cho
  • Patent number: 9852698
    Abstract: An image signal provided from an external device is converted into a data signal such that an image is displayed on a display panel, and a first light control signal and a second light control signal are output. A backlight unit provides the display panel with a first color light and a second color light different from the first color light in response to the first light control signal and the second control signal. The display panel driving unit also determines a pulse width of each of the first light control signal and the second light control signal according to a color characteristic of the image signal.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: December 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Kwangkeun Lee, Jae Byung Park, Jaehyun Cho, Seon-Tae Yoon, Hyundeok Im, Sung-Jin Hong
  • Publication number: 20170358563
    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: June 14, 2017
    Publication date: December 14, 2017
    Inventors: Hyunmin CHO, Daehyun KIM, Hyundeok IM, Jonghyuk KANG, Jaebyung PARK, Jooyeol LEE, Chio CHO, Sungjin HONG
  • Publication number: 20170357119
    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: Application
    Filed: April 27, 2017
    Publication date: December 14, 2017
    Inventors: Daehyun KIM, Jaebyung PARK, Hyundeok IM, Jonghyuk KANG, Hyunmin CHO
  • Patent number: 9842550
    Abstract: A display device includes a backlight unit, a display panel, and a controller. The backlight unit comprises a plurality of first light sources in a first direction and a plurality of second light sources in the first direction. The display panel is spaced apart from the backlight unit in a third direction substantially perpendicular to the first direction and comprising an edge portion defined along at least one side thereof and a plurality of pixels. The controller generates an edge image data corresponding to a plurality of edge pixels disposed in the edge portion among the pixels, the edge image data is generated on the basis of a first angle between the third direction and a first imaginary line connecting the edge pixels and the first light sources and a second angle between the third direction and a second imaginary line connecting the edge pixels and the second light sources.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: December 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyundeok Im, JaeWoong Kang, Jonghyuk Kang, Jae Byung Park, Hyunmin Cho, Sung-Jin Hong
  • Patent number: 9812072
    Abstract: A display device includes a driving unit which outputs a driving signal, and a display panel which displays an image with at least red light, green light, and blue light in response to the driving signal where the blue light includes first color light and second color light, and a peak wavelength of the first color light is about 390 nanometers (nm) to about 410 nm and a peak wavelength of the second color light is about 480 nm to about 491 nm.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: November 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunmin Cho, Jonghyuk Kang, Daehyun Kim, Jaebyung Park, Jinseob Byun, Hyundeok Im, Keun-tae Jung, Sung-jin Hong
  • Publication number: 20170299905
    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: Application
    Filed: April 18, 2017
    Publication date: October 19, 2017
    Inventors: Hyundeok IM, Jaewoong KANG, Jonghyuk KANG, Daehyun KIM, Jaebyung PARK, Hyunmin CHO, Sung-jin HONG
  • Publication number: 20170192301
    Abstract: A display device includes a display panel and a backlight unit. The display panel is configured to display an image. The backlight unit is configured to provide light to the display panel. The display panel includes an array substrate including a plurality of pixel areas, an opposite substrate facing the array substrate, a liquid crystal layer disposed between the array substrate and the opposite substrate, and a wavelength-selective transflective member disposed on the array substrate or the opposite substrate.
    Type: Application
    Filed: March 21, 2017
    Publication date: July 6, 2017
    Inventors: Hyundeok IM, Oleg Prudnikov, TaeWoo Kim, Moongyu Lee, Byoungho Cheong
  • Publication number: 20170102588
    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: Application
    Filed: June 7, 2016
    Publication date: April 13, 2017
    Inventors: Hyundeok IM, Jaewoong KANG, Jonghyuk KANG, Deahyun KIM, Jaebyung PARK, Jooyeol LEE, Hyunmin CHO
  • Patent number: 9612473
    Abstract: A display device includes a display panel and a backlight unit. The display panel is configured to display an image. The backlight unit is configured to provide light to the display panel. The display panel includes an array substrate including a plurality of pixel areas, an opposite substrate facing the array substrate, a liquid crystal layer disposed between the array substrate and the opposite substrate, and a wavelength-selective transflective member disposed on the array substrate or the opposite substrate.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyundeok Im, Oleg Prudnikov, TaeWoo Kim, Moongyu Lee, Byoungho Cheong
  • Publication number: 20170053605
    Abstract: A display device includes a driving unit which outputs a driving signal, and a display panel which displays an image with at least red light, green light, and blue light in response to the driving signal where the blue light includes first color light and second color light, and a peak wavelength of the first color light is about 390 nanometers (nm) to about 410 nm and a peak wavelength of the second color light is about 480 nm to about 491 nm.
    Type: Application
    Filed: April 20, 2016
    Publication date: February 23, 2017
    Inventors: Hyunmin CHO, Jonghyuk KANG, Daehyun KIM, Jaebyung PARK, Jinseob BYUN, Hyundeok IM, Keun-tae JUNG, Sung-jin HONG