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).

  • Liquid crystal display
    Patent number: 11537007
    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: Grant
    Filed: January 11, 2021
    Date of Patent: December 27, 2022
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Seon-Tae Yoon, Jun Han Lee
  • Color conversion panel and display device including the same
    Patent number: 11187942
    Abstract: A color conversion panel includes a substrate and a red color conversion layer, a green color conversion layer, and a transmission layer which are disposed on the substrate. The transmission layer includes at least one of a pigment and a dye.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 30, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Seon-Tae Yoon, Baek Hee Lee, Kun Hee Jo
  • Display device using a color conversion layer to display colors
    Patent number: 11163195
    Abstract: A display device including: 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: Grant
    Filed: January 6, 2020
    Date of Patent: November 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Jung Hyun Kwon, Seon Tae Yoon, Hae Il Park
  • Color conversion panel, manufacturing method of the same, and display device including the same
    Patent number: 11048029
    Abstract: A color conversion panel includes a substrate, a plurality of color conversion layers and a transmission layer on the substrate, a capping layer on the plurality of color conversion layers and the transmission layer, and a filter layer on the capping layer.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Hae Il Park, Jung Hyun Kwon, Kwang Keun Lee, Jun Han Lee
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20210132446
    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: January 11, 2021
    Publication date: May 6, 2021
    Inventors: Kwang Keun LEE, Young Min KIM, Hae Il PARK, Seon-Tae YOON, Jun Han LEE
  • Photoluminescent panel, photoluminescent liquid crystal display device, and method of manufacturing the photoluminescent panel
    Patent number: 10914986
    Abstract: A photoluminescent panel includes a lower substrate, an upper substrate facing the lower substrate, a liquid crystal layer disposed between the lower substrate and the upper substrate, and a color conversion layer disposed on the upper substrate. The color conversion layer includes a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Min Cho, Dae-Hyun Kim, Jae-Woong Kang, Jae-Byung Park, Kwang-Keun Lee
  • Liquid crystal display
    Patent number: 10901265
    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: Grant
    Filed: August 12, 2019
    Date of Patent: January 26, 2021
    Inventors: Kwang Keun Lee, Young Min Kim, Hae II Park, Seon-Tae Yoon, Jun Han Lee
  • COLOR CONVERSION PANEL AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20200301208
    Abstract: A color conversion panel includes a substrate and a red color conversion layer, a green color conversion layer, and a transmission layer which are disposed on the substrate. The transmission layer includes at least one of a pigment and a dye.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Inventors: Kwang Keun LEE, Young Min KIM, Hae Il PARK, Seon-Tae YOON, Baek Hee LEE, Kun Hee JO
  • Color conversion panel and display device including the same
    Patent number: 10712614
    Abstract: A color conversion panel includes a substrate and a red color conversion layer, a green color conversion layer, and a transmission layer which are disposed on the substrate. The transmission layer includes at least one of a pigment and a dye.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Seon-Tae Yoon, Baek Hee Lee, Kun Hee Jo
  • DISPLAY DEVICE
    Publication number: 20200150492
    Abstract: A display device including: 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: January 6, 2020
    Publication date: May 14, 2020
    Inventors: Kwang Keun LEE, Jung Hyun KWON, Seon Tae YOON, Hae II PARK
  • PHOTOLUMINESCENT PANEL, PHOTOLUMINESCENT LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING THE PHOTOLUMINESCENT PANEL
    Publication number: 20200050060
    Abstract: A photoluminescent panel includes a lower substrate, an upper substrate facing the lower substrate, a liquid crystal layer disposed between the lower substrate and the upper substrate, and a color conversion layer disposed on the upper substrate. The color conversion layer includes a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Inventors: Hyun-Min CHO, Dae-Hyun KIM, Jae-Woong KANG, Jae-Byung PARK, Kwang-Keun LEE
  • Liquid crystal display with improved color reproducibility
    Patent number: 10551670
    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: Grant
    Filed: December 21, 2015
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae II Park, Seon-Tae Yoon, Baek Hee Lee, Jun Han Lee
  • Display device having a color conversion layer
    Patent number: 10539826
    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: Grant
    Filed: April 21, 2015
    Date of Patent: January 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Jung Hyun Kwon, Seon Tae Yoon, Hae Il Park
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20190361300
    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: August 12, 2019
    Publication date: November 28, 2019
    Inventors: Kwang Keun LEE, Young Min KIM, Hae Il PARK, Seon-Tae YOON, Jun Han LEE
  • Photoluminescent panel, photoluminescent liquid crystal display device, and method of manufacturing the photoluminescent panel
    Patent number: 10481432
    Abstract: A photoluminescent panel includes a lower substrate, an upper substrate facing the lower substrate, a liquid crystal layer disposed between the lower substrate and the upper substrate, and a color conversion layer disposed on the upper substrate. The color conversion layer includes a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 19, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-Min Cho, Dae-Hyun Kim, Jae-Woong Kang, Jae-Byung Park, Kwang-Keun Lee
  • Liquid crystal display
    Patent number: 10423032
    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: Grant
    Filed: November 9, 2015
    Date of Patent: September 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Seon-Tae Yoon, Jun Han Lee
  • Color conversion panel and display device including the same
    Patent number: 10379395
    Abstract: A color conversion panel includes a substrate, a light blocking layer on the substrate, and color conversion layers and a transmission layer on the substrate, the color conversion layers including a quantum dot, wherein the light blocking layer includes a first sub-light blocking layer overlapping the color conversion layers and the transmission layer, and a second sub-light blocking layer between adjacent ones of the color conversion layers and the transmission layer, and wherein each of the first sub-light blocking layer and the second sub-light blocking layer includes an external light absorption layer on the substrate, and a reflection layer on the external light absorption layer.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 13, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Moon Jung Baek, Seon-Tae Yoon, Jun Han Lee
  • COLOR CONVERSION PANEL, MANUFACTURING METHOD OF THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20190219752
    Abstract: A color conversion panel includes a substrate, a plurality of color conversion layers and a transmission layer on the substrate, a capping layer on the plurality of color conversion layers and the transmission layer, and a filter layer on the capping layer.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 18, 2019
    Inventors: Seon-Tae Yoon, Hae Il Park, Jung Hyun Kwon, Kwang Keun Lee, Jun Han Lee
  • Color conversion panel and display device including the same
    Patent number: 10330974
    Abstract: An exemplary embodiment of the present disclosure provides a color conversion panel including: a substrate; a polarization layer that is disposed on the substrate and includes a plurality of polarization patterns spaced apart from each other at a predetermined interval; and a color conversion layer that is disposed on the polarization layer, wherein at least one of the plurality of polarization patterns may include an external light interference layer disposed on the substrate and a reflection layer disposed on the external light interference layer.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: June 25, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Jung Hyun Kwon, Young Min Kim, Hae Ii Park, Moon Jung Baek
  • Color conversion panel, manufacturing method of the same, and display device including the same
    Patent number: 10281629
    Abstract: A color conversion panel includes a substrate, a plurality of color conversion layers and a transmission layer on the substrate, a capping layer on the plurality of color conversion layers and the transmission layer, and a filter layer on the capping layer.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Hae Il Park, Jung Hyun Kwon, Kwang Keun Lee, Jun Han Lee