Patents by Inventor Baek-Kyun Jeon

Baek-Kyun Jeon 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: 20190219875
    Abstract: A display device and a method of manufacturing a display device are provided. The display device includes: a base substrate; a color conversion pattern disposed on the base substrate; and a low refractive layer disposed on the base substrate, stacked with the color conversion pattern, and having a lower refractive index than the color conversion pattern. The low refractive layer includes a first base resin and particle clusters dispersed in the first base resin, and the particle clusters include a plurality of particles and bridges that combine the particles.
    Type: Application
    Filed: September 7, 2018
    Publication date: July 18, 2019
    Inventors: Jin Soo Jung, Young Gu Kim, Taek Joon Lee, Keun Chan Oh, Sun Young Chang, Hye Lim Jang, Baek Kyun Jeon, Kyung Seon Tak
  • Publication number: 20190179200
    Abstract: A display device includes a first substrate, a wavelength conversion layer disposed on the first substrate, an inorganic film disposed on the wavelength conversion layer, a flattening film disposed on the inorganic film, and a first polarizing layer disposed on the flattening film, where a difference between a coefficient of thermal expansion of the flattening film and a coefficient of thermal expansion of the inorganic film is about 50 ppm/K or less.
    Type: Application
    Filed: February 21, 2019
    Publication date: June 13, 2019
    Inventors: Young Gu KIM, Taek Joon LEE, Baek Kyun JEON, Jin Soo JUNG
  • Publication number: 20190121176
    Abstract: Provided are a wavelength conversion layer and a display device. A color conversion element comprises: a wavelength conversion layer; one or more low refractive layers which are disposed on and/or under the wavelength conversion layer and have a lower refractive index than the wavelength conversion layer; and one or more capping layers which are disposed between the wavelength conversion layer and the low refractive layers and/or on a surface opposite to a surface of each of the low refractive layers which faces the wavelength conversion layer.
    Type: Application
    Filed: September 26, 2018
    Publication date: April 25, 2019
    Inventors: Taek Joon LEE, Young Gu KIM, Keun Chan OH, Sun Young CHANG, Hye Lim JANG, Baek Kyun JEON, Jin Soo JUNG, Kyung Seon TAK, Jae Jin LYU, Moon Jung BAEK
  • Patent number: 10241366
    Abstract: A display device includes a first substrate, a wavelength conversion layer disposed on the first substrate, an inorganic film disposed on the wavelength conversion layer, a flattening film disposed on the inorganic film, and a first polarizing layer disposed on the flattening film, where a difference between a coefficient of thermal expansion of the flattening film and a coefficient of thermal expansion of the inorganic film is about 50 ppm/K or less.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Gu Kim, Taek Joon Lee, Baek Kyun Jeon, Jin Soo Jung
  • Publication number: 20190072818
    Abstract: A display device including: a first substrate; first through third subpixel electrodes which are disposed on the first substrate to neighbor each other; a second substrate opposing the first substrate; a first wavelength conversion pattern at least partially overlapping the first subpixel electrode and a second wavelength conversion pattern at least partially overlapping the second subpixel electrode; a first light transmission pattern at least partially overlapping the third subpixel electrode and a second light transmission pattern disposed between the first wavelength conversion pattern and the second wavelength conversion pattern; and a low refractive layer which has a lower refractive index than the first and second wavelength conversion patterns.
    Type: Application
    Filed: January 29, 2018
    Publication date: March 7, 2019
    Inventors: Jin Soo JUNG, Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon, Kyung Seon Tak
  • Patent number: 10222656
    Abstract: A liquid crystal display device includes a substrate including a display area in which display pixels are arranged in a row direction and a column direction, a first dummy area, which is adjacent to a first side, in the row direction, of the display area, and a second dummy area, which is adjacent to a second side, in the row direction, of the display area, pixel electrodes on the substrate, the pixel electrodes including display pixel electrodes, which are respectively disposed in the display pixels, first dummy pixel electrodes, which are disposed in the first dummy area in the column direction, and second dummy pixel electrodes, which are disposed in the second dummy area in the column direction, and an alignment layer disposed on the pixel electrodes, where an average thickness of the alignment layer is larger in the first and second dummy areas than in the display area.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Young Gu Kim, Kyung Ho Park, Su Ji Park, Baek Kyun Jeon, Min Sik Jung
  • Publication number: 20190064602
    Abstract: A display device according to an exemplary embodiment includes: a thin film transistor array panel; and a color conversion display panel overlapping the thin film transistor array panel, the color conversion display panel including: a substrate; a color conversion layer positioned between the substrate and the thin film transistor array panel and including a semiconductor nanocrystal; a transparent layer positioned between the substrate and the thin film transistor array panel; and at least one of a first buffer layer positioned between the color conversion layer and the substrate and between the transparent layer and the substrate, and a second buffer layer positioned between the color conversion layer and the thin film transistor array panel and between the transparent layer and the thin film transistor array panel, and at least one of the first buffer layer and the second buffer layer includes a porous layer.
    Type: Application
    Filed: June 22, 2018
    Publication date: February 28, 2019
    Inventors: Young Gu Kim, Taek Joon Lee, Hye Lim Jang, Baek Kyun Jeon, Jin-Soo Jung, Young Bong Cho
  • Patent number: 10202491
    Abstract: A liquid crystal photoalignment agent is provided. The liquid crystal photoalignment agent is a copolymer of a cyclobutane dianhydride (“CBDA”) and a CBDA derivative.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: February 12, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suk Hoon Kang, Hoi-Lim Kim, Yeong Rong Park, Mi Hwa Lee, Jun Woo Lee, Baek Kyun Jeon
  • Patent number: 10197865
    Abstract: A manufacturing method of a liquid crystal display, including: applying a photoalignment agent on a substrate; baking the applied photoalignment agent; forming a photoalignment layer by irradiating the baked photoalignment agent with polarized light; baking the photoalignment layer; and removing at least one decomposed unit by cleaning the baked photoalignment layer using a cleaning solution including at least one of propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, or ethyl lactate.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: February 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suk Hoon Kang, Hoi-Lim Kim, Jong Hwan Jeon, Jin-Soo Jung, In Ok Kim, Baek Kyun Jeon
  • Publication number: 20190013371
    Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes are formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.
    Type: Application
    Filed: January 11, 2018
    Publication date: January 10, 2019
    Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
  • Patent number: 10108050
    Abstract: A photoalignment agent is provided. The photoalignment agent includes a copolymer of at least one of a cyclobutanedianhydride (CBDA) and a cyclobutanedianhydride (CBDA) derivative, and a realignment property diamine, wherein two or more aromatic rings in the realignment property diamine are connected by an ester group.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeong Rong Park, Suk Hoon Kang, Mi Hwa Lee, Baek Kyun Jeon
  • Patent number: 10073301
    Abstract: A liquid crystal display includes a first substrate, a gate line on the first substrate, a thin film transistor on the first substrate and connected to the gate line, a first electrode and a second electrode on the first substrate, an insulating layer between the first electrode and the second electrode, a second substrate facing the first substrate, and a liquid crystal layer between the first substrate and the second substrate and including a liquid crystal molecule. One of the first electrode and the second electrode includes a plurality of branch electrodes extending in an extension direction parallel to the gate line, and the other one of the first electrode and the second electrode has a planar shape. The liquid crystal molecule of the liquid crystal layer has negative dielectric anisotropy.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong Sung Seo, Chang-Hun Lee, Baek Kyun Jeon
  • Patent number: 10072211
    Abstract: An alignment layer composition including a copolymer of a dianhydride compound and a diamine compound, the copolymer including a repeating unit represented by chemical formula (1); and a repeating unit represented by chemical formula (2): wherein R1 is a tetravalent organic group derived from an alicyclic dianhydride or an aromatic dianhydride, and wherein R1 includes a phenyl ester group.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Hwan Jeon, Suk Hoon Kang, In Ok Kim, Baek Kyun Jeon
  • Patent number: 10074325
    Abstract: A display device includes a first base substrate, first through n-th gate lines, first through (m+1)-th data lines, and a plurality of pixels. Each of the first through n-th gate lines extends in a first direction. Each of the first through (m+1)-th data lines extends in a second direction crossing the first direction. The plurality of pixels is arranged in a matrix form. Each of the plurality of pixels is coupled to a corresponding one of the gate lines and a corresponding one of the data lines. Each pixel in the first column among the plurality of pixels is independently driven from each pixel in the second column among the plurality of pixels. Pixels in the first column and pixels in the m-th column are provided in the non-display area. Pixels coupled to the first data line and pixels coupled to the (m+1)-th data line display a black image.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung Ho Park, Min Sik Jung, Young Gu Kim, Baek Kyun Jeon
  • Patent number: 10061160
    Abstract: A liquid crystal display device is provided. An exemplary embodiment of the present invention provides a liquid crystal display device including: a first substrate; a thin film transistor disposed on the first substrate; a first electrode connected to the thin film transistor; and a first alignment layer disposed on the first electrode. The first alignment layer includes: a copolymer formed from at least one compound of cyclobutane dianhydride (CBDA) and a cyclobutane dianhydride derivative, and a first diaminean including alkylene group (—CkH2k?, k being a natural number); and a cross-linking agent including an alkylene group (—CnH2n?, n being a natural number), wherein the copolymer includes polyimide.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: August 28, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Hoon Kang, Jun Woo Lee, Jin-Soo Jung, Baek Kyun Jeon, Jong Hwan Jeon
  • Patent number: 10054820
    Abstract: A photoalignment agent includes: a copolymer obtained from at least one of cyclobutane dianhydride (CBDA) and a cyclobutane dianhydride derivative, and a diamine; and a cross-linking agent including an alkylene group —CnH2n—, n being a natural number.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: August 21, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Hoon Kang, Jun Woo Lee, Jin-Soo Jung, Jong Hwan Jeon, Baek Kyun Jeon
  • Publication number: 20180231843
    Abstract: A quantum dot, a color conversion panel, and a display device, the quantum dot including a core; and a shell layer positioned outside of the core, wherein at least one of the core and the shell layer is doped with aluminum, silicon, titanium, magnesium, or zinc, and the core includes a Group III-V compound.
    Type: Application
    Filed: November 8, 2017
    Publication date: August 16, 2018
    Inventors: Kyoung Won PARK, Baek Hee LEE, Min Ki NAM, Hyeok Jin LEE, Keun Chan OH, Jae Jin LYU, Baek Kyun JEON, Sungjun KOH, Doh Chang LEE
  • Publication number: 20180203291
    Abstract: A display device includes a first base substrate; a liquid crystal layer disposed on the first base substrate; an overcoat layer disposed on the liquid crystal layer and including epoxy polymer; a color conversion layer disposed on the overcoat layer; and a second base substrate disposed on the color conversion layer. The epoxy polymer is a polymer obtained by polymerizing 1 part to 50 parts by weight of a cardo-based binder resin; 1 part to 50 parts by weight of an epoxy-based monomer; and 1 part to 50 parts by weight of a bisphenol-based resin, with respect to 100 parts by weight.
    Type: Application
    Filed: November 6, 2017
    Publication date: July 19, 2018
    Inventors: Jin Soo Jung, Young Gu KIM, Taek Joon LEE, Hye Lim JANG, Baek Kyun JEON
  • Patent number: 10018876
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other; a pixel electrode disposed on the first substrate; a first alignment layer formed on at least one of the first substrate and the second substrate; a second alignment layer disposed on a same substrate as the first alignment layer, and a liquid crystal layer interposed between the first substrate and the second substrate, where the first alignment layer is a rubbing alignment layer, and the second alignment layer is a photo-alignment layer. A method of manufacturing the liquid crystal display is also provided.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Weon Hur, Min-Sik Jung, Young Gu Kim, Baek Kyun Jeon
  • Publication number: 20180188593
    Abstract: A color conversion display panel includes a first color conversion layer and a second color conversion layer disposed on a color conversion substrate and including semiconductor nanocrystals, and a transmission layer, wherein a first distance between the first and second color conversion layers is different from a second distance between one of the first and second color conversion layers and the transmission layer.
    Type: Application
    Filed: August 14, 2017
    Publication date: July 5, 2018
    Inventors: Young Gu KIM, Jin-Soo JUNG, Taek Joon LEE, Hye Lim JANG, Baek Kyun JEON