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: 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
  • Patent number: 9576537
    Abstract: A display apparatus includes a display panel including a plurality of pixels, and a backlight unit disposed at a rear surface of the display panel and supplying a light to the display panel, where the backlight unit includes a first light source which provides a first color light to the display panel, a second light source which provides a second color light to the display panel, and a third light sources which provides a third color light to the display panel, spectral bands of the first, second and third color light are different from each other, and the first color light and the second color light have substantially the same color as each other.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junghyun Kwon, Jae Byung Park, Jong Hyuk Kang, Dong-Hoon Lee, Hyundeok Im
  • Publication number: 20170023829
    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: Application
    Filed: March 18, 2016
    Publication date: January 26, 2017
    Inventors: Hyundeok IM, Jonghyuk KANG, Daehyun KIM, Jaebyung PARK, Hyunmin CHO, Sung-jin HONG, Jaewoong KANG, Jooyeol LEE
  • Publication number: 20170003438
    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: Application
    Filed: March 14, 2016
    Publication date: January 5, 2017
    Inventors: Hyundeok IM, Jaebyung PARK, Daehyun KIM, Hyunmin CHO
  • Publication number: 20160363818
    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: Application
    Filed: March 11, 2016
    Publication date: December 15, 2016
    Inventors: Hyunmin CHO, Jonghyuk KANG, Jaebyung PARK, Hyundeok IM, Jaewoong KANG, Sungjin HONG
  • Publication number: 20160351144
    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: Application
    Filed: April 14, 2016
    Publication date: December 1, 2016
    Inventors: Jaebyung PARK, Hyundeok IM, Hyunmin CHO, Jonghyuk KANG, Suksun LEE, Jaewoong KANG, Sungjin HONG
  • Publication number: 20160327725
    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: Application
    Filed: March 10, 2016
    Publication date: November 10, 2016
    Inventors: Hyundeok IM, Jonghyuk KANG, Jaebyung PARK, Hyunmin CHO
  • Patent number: 9454936
    Abstract: A display apparatus is provided. The display apparatus includes a first light source unit comprising a first light source that emits light having a first spectral band and a photo-converter that converts the light having the first spectral band to a first color light. A spectral band of the first color light is different from the first spectral band of the light emitted from the first light source. The display apparatus also includes a second light source unit comprising a second light source that emits light having a second spectral band. The light having the second spectral band corresponds to a second color light, and has a same color as the light having the first spectral band. A spectral band of the second color light is different from the spectral band of the first color light.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk Kang, Jae Byung Park, Junghyun Kwon, Sungtae Shin, Dong-Hoon Lee, Hyundeok Im, Hyun Min Cho
  • Publication number: 20160201858
    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: Application
    Filed: January 13, 2016
    Publication date: July 14, 2016
    Inventors: Jonghyuk KANG, Daehyun KIM, Hyundeok IM, Jaewoong KANG, Jaebyung PARK, Hyunmin CHO, Sungjin HONG
  • Publication number: 20160155394
    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: Application
    Filed: May 13, 2015
    Publication date: June 2, 2016
    Inventors: Hyundeok IM, JaeWoong KANG, Jonghyuk KANG, Jae Byung PARK, Hyunmin CHO, Sung-Jin HONG
  • Patent number: 9229148
    Abstract: A light guide plate includes a light incident surface, a light facing surface facing the light incident surface, a connection surface connecting the light incident surface with the light facing surface, and a top surface connected with the light incident surface, the light facing surface, and the connection surface. The light incident surface receives light from a light source, the light facing surface reflects light, and the top surface outputs light toward a display panel. The connection surface includes at least two absorption surfaces parallel to a straight line linking a center of an arc with an end of the light incident surface and at least one reflective surface interposed the two adjacent absorption surfaces to reflect the light.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Jin Cho, Byoungho Cheong, Prudnikov Oleg, Hyundeok Im
  • 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
  • Patent number: 9046632
    Abstract: In a light guide plate and a display apparatus having the light guide plate, a light guide plate includes reflective prisms, in which at least one of the reflective prisms includes an inclined angle adjustable according to an inclined surface of a defective portion thereof and compensates for a distortion of light caused by the defective portion.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoungho Cheong, Oleg Prudnikov, Guk Hyun Kim, Hyundeok Im
  • Publication number: 20150116378
    Abstract: A display device including a display panel driving unit configured to convert an image signal provided from an external device into a data signal such that an image is displayed on a display panel, and to output a first light control signal and a second light control signal. A backlight unit is configured to provide 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 is further configured to determine 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: Application
    Filed: April 9, 2014
    Publication date: April 30, 2015
    Applicant: 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: 20140268633
    Abstract: A display apparatus includes a display panel including a plurality of pixels, and a backlight unit disposed at a rear surface of the display panel and supplying a light to the display panel, where the backlight unit includes a first light source which provides a first color light to the display panel, a second light source which provides a second color light to the display panel, and a third light sources which provides a third color light to the display panel, spectral bands of the first, second and third color light are different from each other, and the first color light and the second color light have substantially the same color as each other.
    Type: Application
    Filed: August 20, 2013
    Publication date: September 18, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Junghyun KWON, JAE BYUNG PARK, JONG HYUK KANG, Dong-Hoon LEE, Hyundeok IM
  • Publication number: 20140268634
    Abstract: A display apparatus is provided. The display apparatus includes a first light source unit comprising a first light source that emits light having a first spectral band and a photo-converter that converts the light having the first spectral band to a first color light. A spectral band of the first color light is different from the first spectral band of the light emitted from the first light source. The display apparatus also includes a second light source unit comprising a second light source that emits light having a second spectral band. The light having the second spectral band corresponds to a second color light, and has a same color as the light having the first spectral band. A spectral band of the second color light is different from the spectral band of the first color light.
    Type: Application
    Filed: August 23, 2013
    Publication date: September 18, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: JONG HYUK KANG, JAE BYUNG PARK, Junghyun KWON, SUNGTAE SHIN, Dong-Hoon LEE, Hyundeok IM, HYUN MIN CHO