Patents by Inventor Seon-Tae Yoon

Seon-Tae Yoon 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: 20170153368
    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: October 25, 2016
    Publication date: June 1, 2017
    Inventors: Seon-Tae Yoon, Hae Il Park, Jung Hyun Kwon, Kwang Keun Lee, Jun Han Lee
  • Patent number: 9666141
    Abstract: A display apparatus includes a display panel including a first subpixel having a first primary color, a second subpixel having a second primary color; and a transparent subpixel; a panel driver which sets grayscale data of the first subpixel, the second subpixel and the transparent subpixel; a light source part which provides light to the display panel, where the light source comprises a first light source and a second light source having colors different from each other; and a light source driver which turns on the first light source during a first subframe, turns on the second light source during a second subframe, and turns on the first light source during a third subframe, and a first frame comprises the first subframe, the second subframe and the third subframe.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Byung Park, Seon-Tae Yoon, Jae-Woong Kang, Hae-Il Park, Sung-Tae Shin, Mun-Ki Sim, Kwang-Keun Lee, Hyun-Min Cho
  • Publication number: 20170097541
    Abstract: A display device includes a display member and a backlight unit, where the display member includes a base substrate, a cover layer that is on the base substrate, extends in a first direction, and includes a plurality of portions defining a first cavity and a second cavity that are spaced apart from the base substrate and adjacent to each other in the first direction, a first display element and a second display element that respectively correspond to the first cavity and the second cavity, a color conversion filter that is disposed on the cover layer, and includes a first filter which overlaps the first cavity and converts incident light into a first color light, and a second filter which overlaps the second cavity and converts incident light into a second color light, and an optical member which is disposed between the color conversion filter and the cover layer.
    Type: Application
    Filed: June 2, 2016
    Publication date: April 6, 2017
    Inventors: Dong-uk KIM, Youngmin KIM, Haeil PARK, Seon-tae YOON, Junhan LEE
  • Publication number: 20170090247
    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: September 8, 2016
    Publication date: March 30, 2017
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kwang Keun LEE, Young Min KIM, Hae Il PARK, Seon-Tae YOON, Baek Hee LEE, Kun Hee JO
  • Patent number: 9606400
    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: Grant
    Filed: May 27, 2014
    Date of Patent: March 28, 2017
    Assignee: 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
  • Patent number: 9599856
    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: Grant
    Filed: January 29, 2015
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Min Ki Nam, Hae Il Park, Seon Tae Yoon
  • Publication number: 20170075215
    Abstract: A photosensitive resin composition according to an exemplary embodiment of the present invention includes: a nanophosphor; a photo-polymerization initiator including an acetophenone-based initiator; and a photo-polymerization compound, wherein the photo-polymerization initiator further includes at least one among a thioxanthone-based initiator, an oxime-based initiator, and a benzophenone-based initiator.
    Type: Application
    Filed: February 22, 2016
    Publication date: March 16, 2017
    Inventors: Baek Hee LEE, Young Min KIM, Min Ki NAM, Hae Il Park, Seon-Tae YOON
  • Patent number: 9581759
    Abstract: Aspects according to one or more embodiments of the present invention are directed toward a quantum dot sheet, and a light unit and a liquid crystal display including the same, having desirable features of being capable of increasing light efficiency. According to exemplary embodiments of the present invention, it is possible to increase light efficiency by forming a quantum dot sheet including quantum dots in a pattern in which multiple layers having different refractive indexes are repeatedly stacked.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Uk Kim, Hae Il Park, Seon-Tae Yoon
  • Patent number: 9552755
    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: Grant
    Filed: April 7, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Byung Park, Kwang-Keun Lee, Nam-Seok Roh, Seon-Tae Yoon
  • 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
  • Patent number: 9519186
    Abstract: A display device includes a display panel including pixels arranged in a matrix form along first and second directions crossing each other, a backlight unit configured to generate and provide a first light to the display panel, and a color conversion layer. Each pixel includes first and sub-pixels spaced apart from each other. The color conversion layer includes a first sub-color conversion layer overlapping the first sub-pixel and configured to receive the first light and to emit the second light having a wavelength different from that of the first light, and a second sub-color conversion layer overlapping the second sub-pixel, spaced apart from the first sub-color conversion layer and configured to receive the first light and to emit the first light. In a plan view, areas of the first and second sub-color conversion layers are different from each other.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: December 13, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangkeun Lee, Dong-Uk Kim, Youngmin Kim, Min Ki Nam, Haeil Park, Seon-Tae Yoon
  • 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: 20160223869
    Abstract: A liquid crystal display that includes a substrate, a pixel electrode arranged on the substrate, a liquid crystal layer arranged in a microcavity on the pixel electrode, a roof layer supporting the microcavity and a capping layer arranged on the roof layer, wherein the capping layer includes a color conversion portion that includes a plurality of quantum dots distributed within a polymer layer. With the above structure, it is possible to reduce weight, thickness, cost, and processing time of the display by using only one substrate and by integrally including the quantum dots within a capping layer.
    Type: Application
    Filed: October 19, 2015
    Publication date: August 4, 2016
    Inventors: Mun-Ki SIM, Young Min KIM, Seon-Tae YOON, Baek Hee LEE, Min Ki NAM, Hae Il PARK, Jun Han 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: 20160161802
    Abstract: A backlight unit includes a substrate having a plurality of block regions, partitions confining the block regions respectively on the substrate, patterns extending along a direction on surfaces of the partitions and being parallel with each other, and light sources disposed respectively in the block regions.
    Type: Application
    Filed: May 21, 2015
    Publication date: June 9, 2016
    Inventors: Junghyun KWON, Seon-Tae YOON, Haeil PARK, Kwangkeun LEE
  • Patent number: 9343024
    Abstract: A method of driving a liquid crystal display apparatus includes gamma-correcting first and second gray scale data using a first gamma value to generate first and second luminance data; generating sub luminance data based on a smaller value of the first and second luminance data; correcting the sub luminance data using a second gamma value larger than the first gamma value to generate sub correction luminance data; correcting the first luminance data using the sub or second luminance data to generate first correction luminance data; correcting the second luminance data using the sub or first luminance data to generate second correction luminance data; performing inverse gamma correction on the first, second and sub correction luminance data using the first gamma value to generate first, second and sub correction gray scale data; and providing first to third pixels with the first, second, and sub correction gray scale data.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangkeun Lee, Hyun Min Cho, Jae Byung Park, Jaehyun Cho, Sung-Jin Hong, Seon-Tae Yoon
  • 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
  • Patent number: 9286837
    Abstract: A display device includes: a display panel configured with rows of pixels, each row pixels including a first color pixel, a second color pixel, and a third color pixel; and a backlight assembly configured to supply light to the display panel, in which: a data signal is alternately applied to a first color pixel disposed in an odd row on an odd frame, and to another first color pixel disposed in an even row on an even frame, a data signal is alternately applied to a second color pixel disposed in the odd row on the odd frame, and to another second color pixel disposed in the even row on the even frame, a data signal is applied to a third color pixel on both frames, and colors of light supplied to the display panel on the odd frame and the even frame are different from each other.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hyun Cho, Jae Byung Park, Se Young Song, Seon-Tae Yoon, Hyun Min Cho, Sung-Jin Hong