Patents by Inventor Kwang Keun Lee

Kwang Keun Lee 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: 9536481
    Abstract: A liquid crystal display panel includes unit pixels including a first unit pixel and a second unit pixel, each of the first unit pixel and the second unit pixel including a first white area and first to third color areas, gate lines which extend in a first direction, cross the unit pixels and include a first gate line and a second gate line, data lines which extend in a second direction, and pixel electrodes which are electrically connected to the data lines and include first to seventh pixel electrodes, where the first to third pixel electrodes overlap the first to third color areas of the first unit pixel, respectively, the fourth to sixth pixel electrodes overlap the first to third color areas of the second unit pixel, respectively, and the seventh pixel electrode overlaps the first white areas of the first and second unit pixels.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: January 3, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon-Tae Yoon, Jae-Byung Park, Hae-Il Park, Kwang-Keun Lee, Baek-Hee Lee, Mun-Ki Sim, Jun-Han Lee
  • Publication number: 20160259210
    Abstract: A liquid crystal display, including: a flexible substrate; a plurality of pixel electrodes formed on the substrate; a liquid crystal layer filled in a microcavity formed on the pixel electrode; a roof layer covering the microcavity; an overcoat sealing the microcavity; a flexible polarizer formed on the overcoat; and a color conversion layer formed on the polarizer, wherein the color conversion layer includes a plurality of color conversion media layers formed at a position corresponding to the microcavity, and upper light blocking members formed between the color conversion media layers to partition the color conversion media layers. The liquid crystal display has good color reproducibility and flexibility by forming the flexible wire grid polarizer and the color conversion media (CCM) on the surface of the liquid crystal display manufactured with one substrate.
    Type: Application
    Filed: November 3, 2015
    Publication date: September 8, 2016
    Inventors: Young Min KIM, Min Ki NAM, Nam Seok ROH, Ki Soo PARK, Hae Il PARK, Kwang Keun LEE, Jun Han LEE
  • Publication number: 20160231615
    Abstract: A photosensitive resin composition includes about 60% by weight to about 95% by weight of a solvent based on a total weight of the photosensitive resin composition and about 5% by weight to about 40% by weight of a solid based on the total weight of the photosensitive resin composition. The solid includes about 5% by weight to about 90% by weight of quantum dots based on a total weight of the solid. A center luminescence wavelength of the quantum dots is about 900 nm to about 2000 nm.
    Type: Application
    Filed: August 3, 2015
    Publication date: August 11, 2016
    Inventors: Min-Ki NAM, Hae-II PARK, Seon-Tae YOON, Kwang-Keun LEE
  • Publication number: 20160195766
    Abstract: An emissive type display device includes: a first insulation substrate; a light conversion layer formed proximate to an inner surface of the first insulation substrate; a plasmonic color polarization layer formed on the light conversion layer; a second insulation substrate having an inner surface that faces the inner surface of the first insulation substrate; and a liquid crystal layer interposed between the inner surfaces of the first insulation substrate and the second insulation substrate. The plasmonic color polarization layer is configured to polarize and transmit light having wavelengths within a first wavelength range, and to reflect light having wavelengths within a second wavelength range.
    Type: Application
    Filed: September 16, 2015
    Publication date: July 7, 2016
    Inventors: Young Min KIM, Dong-Uk KIM, Hae Il PARK, Seon-Tae YOON, Kwang Keun LEE
  • Publication number: 20160195774
    Abstract: A liquid crystal display according to an exemplary embodiment of the inventive concept includes a display panel and a color conversion panel disposed on the display panel, in which the color conversion panel includes a color conversion media layer and a scattering layer including a scatterer and at least one of a pigment and a dye adsorbed on the scatterer.
    Type: Application
    Filed: December 21, 2015
    Publication date: July 7, 2016
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Seon-Tae Yoon, Baek Hee Lee, Jun Han Lee
  • Publication number: 20160195773
    Abstract: A liquid crystal display includes: a display panel; and a color conversion layer positioned on the display panel, wherein the color conversion layer includes a scattering layer including a color conversion media layer and scatterers.
    Type: Application
    Filed: November 9, 2015
    Publication date: July 7, 2016
    Inventors: Kwang Keun LEE, Young Min KIM, Hae Il PARK, Seon-Tae YOON, Jun Han LEE
  • Publication number: 20160178960
    Abstract: A display device, including a color conversion film, including a base film including a plurality of openings, the base film blocking light, and a color conversion layer in the openings, the color conversion layer including a pattern of different colors.
    Type: Application
    Filed: June 8, 2015
    Publication date: June 23, 2016
    Inventors: Dong-Uk KIM, Young Min KIM, Hae IL PARK, Mun-Ki SIM, Kwang Keun LEE, Hyun Min CHO
  • Publication number: 20160133209
    Abstract: A liquid crystal display including: a liquid crystal display including: a first polarizer, a second polarizer, a gate line, a data line, a thin film transistor, a pixel electrode, a first light blocking member, a second light blocking member, a liquid crystal layer, and a common electrode; a color conversion panel including a third light blocking member and a color conversion media layer, the color conversion panel being disposed on the liquid crystal panel; and a backlight assembly configured to supply light to the liquid crystal panel and the color conversion panel, wherein the first light blocking member overlaps the data line, wherein the second light blocking member is disposed between the first light blocking member and the third light blocking member, the third light blocking member overlapping the first light blocking member, and wherein the third light blocking member overlaps the second light blocking member.
    Type: Application
    Filed: April 24, 2015
    Publication date: May 12, 2016
    Inventors: Kwang Keun LEE, Jung-Hyun Kwon, Young Min Kim, Min Ki Nam, Hae II Park
  • Patent number: 9316777
    Abstract: A backlight assembly having a light emitting module and a lower receiving container, the light emitting module including a first light source configured to generate a first light and a quantum dot rail configured to generate a second light from the first light the light emitting module is disposed under a display panel to provide the display panel with the second light, and the lower receiving container is configured to receive the light emitting module and the display panel.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Min Cho, Kwang-Keun Lee, Jong-Hyuk Kang, Jae-Byung Park, Baek-Hee Lee
  • Patent number: 9293091
    Abstract: A display apparatus includes: a display panel including first to third sub pixels which receive a first grayscale data, a second grayscale data and a third grayscale data, respectively; a light source part which provides light to the display panel and sequentially turns on first and second light sources, which emit a first light and a second light having a color different from the first light, respectively; and a color conversion layer including a first photoluminescence part which is excited by the first light to emit light having a first primary color, a second photoluminescence part which is excited by the first light to emit light having a second primary color, and a third photoluminescence part which is excited by the first light to emit light having a third primary color, where the first to third photoluminescence parts overlap the first to third sub pixels, respectively.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang-Keun Lee, Hae-Il Park, Seon-Tae Yoon
  • Publication number: 20160049122
    Abstract: A display apparatus includes a display panel, a display panel driver, a light source part and a local dimming driver. The display panel includes a first subpixel having a first primary color, a second subpixel having a second primary color and a transparent subpixel. The display panel driver is configured to set grayscales of the first subpixel, the second subpixel and the transparent subpixel. The light source part includes a plurality of light emitting blocks configured to provide light to the display panel. The light emitting block includes a first light source configured to generate a light of a mixed color and a second light source configured to generate a light of a third primary color. The local dimming driver is configured to alternately turn on and off the first light source and the second light source and configured to independently drive the light emitting blocks.
    Type: Application
    Filed: January 21, 2015
    Publication date: February 18, 2016
    Inventors: Seon-Tae Yoon, Kwang-Keun Lee, Jung-Hyun Kwon, Hae-Il Park
  • Publication number: 20160041430
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a light-amount adjusting layer interposed between the first substrate and the second substrate; and a backlight unit disposed under the first substrate, wherein the second substrate includes a plurality of color conversion layers respectively disposed on a plurality of pixel regions, the color conversion layer includes a partition wall; and a phosphor disposed on areas defined by the partition wall, and the color conversion layer includes an air layer between the second substrate and the phosphor.
    Type: Application
    Filed: April 21, 2015
    Publication date: February 11, 2016
    Inventors: KWANG KEUN LEE, JUNG HYUN KWON, SEON TAE YOON, HAE IL PARK
  • Publication number: 20160033823
    Abstract: A display device having a first substrate, a second substrate above and facing the first substrate, a light-amount adjusting layer interposed between the first substrate and the second substrate, a plurality of color conversion layers respectively defining a plurality of pixel regions, a wavelength conversion layer disposed on a bottom surface of the color conversion layers, and a backlight unit disposed under the first substrate. The light-amount adjusting layer comprises liquid crystal molecules.
    Type: Application
    Filed: January 29, 2015
    Publication date: February 4, 2016
    Inventors: Kwang Keun LEE, Young Min KIM, Min Ki NAM, Hae Il PARK, Seon Tae YOON
  • Publication number: 20150243933
    Abstract: An organic light-emitting display apparatus includes: a substrate including a first surface and a second surface opposite to each other; an organic emission unit disposed on the first surface of the substrate and including: an emission region configured to emit light; and a first transmission region configured to transmit external light; an encapsulation unit joined to the first surface of the substrate, the encapsulating unit configured to seal the organic emission unit from external air; a first optical layer configured to delay a phase of the external light; and a second functional layer configured to linearly polarize the external light, wherein the second function layer is disposed farther from the organic emission unit than the first functional layer and includes a second transmission region corresponding to the first transmission region.
    Type: Application
    Filed: September 24, 2014
    Publication date: August 27, 2015
    Inventors: Jun-Han LEE, Mun-Ki SIM, Baek-Hee LEE, Jae-Byung PARK, Seon-Tae YOON, Kwang-Keun LEE, Hyun-Min CHO
  • Publication number: 20150228232
    Abstract: A display apparatus includes: a display panel including first to third sub pixels which receive a first grayscale data, a second grayscale data and a third grayscale data, respectively; a light source part which provides light to the display panel and sequentially turns on first and second light sources, which emit a first light and a second light having a color different from the first light, respectively; and a color conversion layer including a first photoluminescence part which is excited by the first light to emit light having a first primary color, a second photoluminescence part which is excited by the first light to emit light having a second primary color, and a third photoluminescence part which is excited by the first light to emit light having a third primary color, where the first to third photoluminescence parts overlap the first to third sub pixels, respectively.
    Type: Application
    Filed: August 11, 2014
    Publication date: August 13, 2015
    Inventors: Kwang-Keun LEE, Hae-IL PARK, Seon-Tae YOON
  • Publication number: 20150187301
    Abstract: A liquid crystal display panel includes unit pixels including a first unit pixel and a second unit pixel, each of the first unit pixel and the second unit pixel including a first white area and first to third color areas, gate lines which extend in a first direction, cross the unit pixels and include a first gate line and a second gate line, data lines which extend in a second direction, and pixel electrodes which are electrically connected to the data lines and include first to seventh pixel electrodes, where the first to third pixel electrodes overlap the first to third color areas of the first unit pixel, respectively, the fourth to sixth pixel electrodes overlap the first to third color areas of the second unit pixel, respectively, and the seventh pixel electrode overlaps the first white areas of the first and second unit pixels.
    Type: Application
    Filed: July 23, 2014
    Publication date: July 2, 2015
    Applicant: Samsung Display Co., LTD.
    Inventors: Seon-Tae YOON, Jae-Byung PARK, Hae-Il PARK, Kwang-Keun LEE, Baek-Hee LEE, Mun-Ki SIM, Jun-Han LEE
  • Publication number: 20150185546
    Abstract: A display panel includes: a plurality of pixels; and a first phase shifting layer and a second phase shifting layer, which overlap the pixels, where the first phase shifting layer and at least a portion of the second phase shifting layer are alternately arranged with each other, and a phase difference between light having a predetermined wavelength transmitted through the first phase shifting layer and light having the predetermined wavelength transmitted through the second phase shifting layer is approximately 180 degrees.
    Type: Application
    Filed: May 27, 2014
    Publication date: July 2, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Jae Byung Park, Hae Il Park, Mun-Ki Sim, Seon-Tae Yoon, Baek Hee Lee, Jun Han Lee
  • Publication number: 20150131011
    Abstract: A display substrate includes a base substrate, a color filter layer and a retarder layer. The base substrate includes a first sub pixel area, a second sub pixel area and a third sub pixel area. The color filer layer is disposed on a front surface of the base substrate, and includes at least one of a magenta color filter, a cyan color filter and a yellow color filter in the first sub pixel area and the second sub pixel area and a white color filter in the third sub pixel area. The retarder layer is disposed on a rear surface of the base substrate opposite to the front surface of the base substrate. The retarder layer is configured to polarize light in the first sub pixel area and the second sub pixel area to form a first polarized light. The retarder layer is further configured to polarize the light in the third sub pixel area to form a second polarized light, the second polarized light being different from the first polarized light. Thus, a driving speed of a display apparatus may be decreased.
    Type: Application
    Filed: April 8, 2014
    Publication date: May 14, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kwang-Keun LEE, Seon-Tae YOON, Hyun-Min CHO, Jae-Byung PARK, Hae-Il PARK
  • Publication number: 20150130693
    Abstract: A backlight assembly having a light emitting module and a lower receiving container, the light emitting module including a first light source configured to generate a first light and a quantum dot rail configured to generate a second light from the first light the light emitting module is disposed under a display panel to provide the display panel with the second light, and the lower receiving container is configured to receive the light emitting module and the display panel6b
    Type: Application
    Filed: June 24, 2014
    Publication date: May 14, 2015
    Inventors: Hyun-Min Cho, Kwang-Keun Lee, Jong-Hyuk Kang, Jae-Byung Park, Baek-Hee Lee
  • Publication number: 20150042700
    Abstract: A display apparatus includes a light source configured to generate lights having a plurality of colors, the light source configured to be driven in a field sequential color driving method; and a display panel configured to receive the lights to display an image, display the colors at a first area in a first order, and display the colors at a second area different from the first area in a second order different from the first order.
    Type: Application
    Filed: April 7, 2014
    Publication date: February 12, 2015
    Applicant: SMASUNG DISPLAY CO., LTD.
    Inventors: Jae-Byung Park, Kwang-Keun Lee, Nam-Seok Roh, Seon-Tae Yoon