Patents by Inventor Yoon-Hyeung Cho

Yoon-Hyeung Cho 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).

  • Thin film encapsulation unit, organic light emitting diode display including the same and manufacturing method thereof
    Patent number: 9595572
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • TRANSPARENT DISPLAY DEVICES AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20170069871
    Abstract: A transparent display device includes a substrate having a pixel area and a transmission area, a pixel circuit in the pixel area of the substrate, an insulation structure covering the pixel circuit on the substrate, a first electrode in the pixel area of the substrate and extending at least partially through the insulation structure to be electrically connected to the pixel circuit, a display layer on the first electrode, a second electrode facing the first electrode with respect to the display layer, and a capping layer on the second electrode. The capping layer continuously extends into the pixel area and the transmission area. The capping layer has a thickness in a range from about 350 ? to about 700 ?.
    Type: Application
    Filed: July 20, 2016
    Publication date: March 9, 2017
    Inventors: Sang-Hoon YIM, Dong-Chan KIM, Won-Jong KIM, Eung-Do KIM, Dong-Kyu SEO, Ji-Hye LEE, Da-Hea IM, Yoon-Hyeung CHO, Chang-Woong CHU, Won-Suk HAN
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20170033170
    Abstract: An organic light emitting diode display includes: a first substrate; a switching thin film transistor on the first substrate; a driving thin film transistor on the first substrate; an organic light emitting diode connected to the driving thin film transistor; and a capping layer on the organic light emitting diode, the capping layer including an anisotropic material having a refractive index in a horizontal direction that is greater than a refractive index in a vertical direction.
    Type: Application
    Filed: February 3, 2016
    Publication date: February 2, 2017
    Inventors: Eung Do Kim, Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME
    Publication number: 20170025631
    Abstract: An organic light emitting element according to an example embodiment of the present disclosure includes: an anode and a cathode facing each other; an emission layer between the anode and the cathode; an electron transfer layer between the emission layer and the cathode; and a buffer layer between the cathode and the electron transfer layer, wherein the buffer layer includes an inorganic metal halide having p-type semiconductor characteristics.
    Type: Application
    Filed: March 24, 2016
    Publication date: January 26, 2017
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20160380235
    Abstract: An organic light emitting diode display including: a substrate; an organic light emitting diode on the substrate; a capping layer on the organic light emitting diode and including a high refractive layer including an inorganic material having a refractive index that is equal to or greater than about 1.7 and equal to or less than about 6.0; and a thin film encapsulation layer covering the capping layer and the organic light emitting diode, the inorganic material including at least one selected from the group consisting of CuI, thallium iodide (TlI), BaS, Cu2O, CuO, BiI, WO3, TiO2, AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MoO3, Ag2O, CdO, CoO, Pr2O3, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.
    Type: Application
    Filed: March 31, 2016
    Publication date: December 29, 2016
    Inventors: Won Jong KIM, Dong Chan KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Yoon Hyeung CHO, Won Suk HAN
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20160380231
    Abstract: An organic light emitting diode (OLED) display according to the present disclosure includes a substrate, a thin film transistor on the substrate, a first electrode on the thin film transistor and electrically coupled to the thin film transistor, an organic emission layer on the first electrode, a second electrode on the organic emission layer, and a capping layer on the second electrode, wherein a thickness of the second electrode is about 65 ? to about 125 ?, and wherein a thickness of the capping layer is about (500*1.88/n) ? to about (700*1.88/n) ?, n being an optical constant of the capping layer.
    Type: Application
    Filed: January 8, 2016
    Publication date: December 29, 2016
    Inventors: Sang Hoon Yim, Dong Chan Kim, Won Jong Kim, Eung Do Kim, Jae Bok Kim, Dong Kyu Seo, Won Jun Song, Ji Hye Lee, Da Hea Im, Yoon Hyeung Cho, Won Suk Han
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20160329521
    Abstract: An organic light emitting diode display includes: a substrate; an organic light emitting element on the substrate; and a capping layer on the organic light emitting element and including a high refraction layer formed of an inorganic material having a refractive index which is equal to or greater than about 1.7 and equal to or less than about 6.0, wherein the inorganic material includes at least one selected from CuI, thallium iodide (TlI), AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MnI2, FeI2, CoI2, NiI2, aluminium iodide (AlI3), thorium(IV) iodide (ThI4), uranium triiodide (UI3), MgS, MgSe, MgTe, CaS, CaSe, CaTe, SrS, SrSe, SrTe, BaS, BaSe, BaTe, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, CuO, Cu2O, WO3, MoO3, SnO2, Nb2O5, Ag2O, CdO, CoO, Pr2O3, Bi2O3, Fe2O3, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.
    Type: Application
    Filed: December 30, 2015
    Publication date: November 10, 2016
    Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20160300893
    Abstract: An organic light emitting diode display including a substrate, a thin film transistor on the substrate, a first electrode connected to the thin film transistor, a first layer on the first electrode, an emission layer on the first layer, a second layer on the emission layer, and a second electrode on the second layer.
    Type: Application
    Filed: October 5, 2015
    Publication date: October 13, 2016
    Inventors: Sang Hoon Yim, Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Jong Hyuk Lee, Da Hea Im, Yoon Hyeung Cho, Chang Woong Chu
  • Organic light emitting display device and manufacturing method thereof
    Patent number: 9444073
    Abstract: In an embodiment of the present disclosure, a polymer layer is formed on a second electrode of an organic light emitting display device.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: September 13, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Min-Ho Oh, Byung-Duk Lee, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim
  • ORGANIC ELECTROLUMINESCENT DEVICE HAVING THIN FILM ENCAPSULATION STRUCTURE AND METHOD OF FABRICATING THE SAME
    Publication number: 20160260929
    Abstract: Provided is an organic electroluminescent display device, including a substrate, an organic light-emitting device on the substrate, and an encapsulation layer formed on the organic light-emitting device and the substrate. The encapsulation layer includes an inorganic layer and a polymer organic layer alternatingly stacked with an intermediate layer formed of a first organic monomer between the inorganic layer and the polymer organic layer, and one surface of the intermediate layer is bonded to the inorganic layer through bonding sites on a surface of the inorganic layer and another surface of the intermediate layer is bonded to the organic layer by polymerization.
    Type: Application
    Filed: May 16, 2016
    Publication date: September 8, 2016
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon
  • Organic light emitting diode display
    Patent number: 9391302
    Abstract: An organic light emitting diode (“OLED”) display includes a display panel; and a window on the display panel. The OLED display further includes an optical unit on the display panel, and including a metal material film and a dielectric material film.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Hwan Cho, Soo-Youn Kim, Sang-Hyun Park, Yoon-Hyeung Cho, Seung-Yong Song
  • Organic electroluminescent device having thin film encapsulation structure and method of fabricating the same
    Patent number: 9373813
    Abstract: Provided is an organic electroluminescent display device, including a substrate, an organic light-emitting device on the substrate, and an encapsulation layer formed on the organic light-emitting device and the substrate. The encapsulation layer includes an inorganic layer and a polymer organic layer alternatingly stacked with an intermediate layer formed of a first organic monomer between the inorganic layer and the polymer organic layer, and one surface of the intermediate layer is bonded to the inorganic layer through bonding sites on a surface of the inorganic layer and another surface of the intermediate layer is bonded to the organic layer by polymerization.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: June 21, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon
  • Organic light emitting diode display
    Patent number: 9368760
    Abstract: An organic light emitting diode (OLED) display includes: a substrate including a plurality of pixels, a thin film transistor disposed in the pixels; an organic light emitting element connected to the thin film transistor and disposed in the pixels, an encapsulation member located on the organic light emitting element, and an external light blocking member disposed above or under the encapsulation member and including a first portion and a second portion. The first portion has a thickness that is thinner than a thickness of the second portion, and the first portion is disposed in the pixels.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Hwan Cho, Soo-Youn Kim, Sang-Hyun Park, Yoon-Hyeung Cho, Seung-Yong Song
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20160155979
    Abstract: An organic light emitting diode display, including a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and electrically connected to the thin film transistor; an organic emission layer on the first electrode; a second electrode on the organic emission layer; and a first capping layer on the second electrode and a second capping layer on the first capping layer, the second capping layer being thicker than the first capping layer.
    Type: Application
    Filed: October 8, 2015
    Publication date: June 2, 2016
    Inventors: Sang Hoon YIM, Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Jong Hyuk LEE, Da Hea IM, Yoon Hyeung CHO, Chang Woong CHU
  • Display apparatus and method of fabricating the same
    Patent number: 9343700
    Abstract: Provided is a display apparatus including: a substrate including a display area and a periphery; a display element disposed on the display area of the substrate; and an encapsulation layer including a first inorganic layer, an organic layer, and a second inorganic layer that are sequentially formed to cover the display element, wherein the organic layer includes: a first organic layer formed on of the periphery of the substrate and on the substrate; and a second organic layer formed on the first inorganic layer so as to overlap the display element.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: May 17, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Jong-Woo Kim, Yong-Chan Ju, Yun-Ah Chung
  • THIN FILM ENCAPSULATION UNIT, ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME AND MANUFACTURING METHOD THEREOF
    Publication number: 20160093831
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 31, 2016
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • THIN FILM ENCAPSULATION UNIT, ORGANIC LIGHT EMITTING DIODE DISPLAY INCLUDING THE SAME AND MANUFACTURING METHOD THEREOF
    Publication number: 20160093682
    Abstract: A thin film encapsulation unit including an inorganic layer, a first organic layer on the inorganic layer and including a light-blocking unit and a light-transmitting unit, and a reflection-preventing layer on the first organic layer.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 31, 2016
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Organic light-emitting display system and method of manufacturing the same
    Patent number: 9263676
    Abstract: An organic light-emitting display system and a method of manufacturing the same are disclosed. In one aspect, the organic light-emitting display system includes a substrate, a display unit that defines an active area on the substrate and includes a plurality of thin film transistor (TFTs), and an encapsulation layer that seals the display unit and has a stacked structure in which at least a first inorganic film, a first organic film, and a second inorganic film are sequentially stacked. The TFTs includes an active layer, a gate electrode, a source electrode, a drain electrode, and an interlayer insulating film that is disposed between the gate electrode and the source electrode and between the gate electrode and the drain electrode, wherein the second inorganic film directly contacts the interlayer insulating film outside the active area.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: February 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong-Yeol Lee, Yoon-Hyeung Cho, Ouck Han
  • FLEXIBLE DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20160043342
    Abstract: Disclosed are a flexible display apparatus and a method of manufacturing the same. The method includes preparing an organic layer material for a thin film encapsulation layer, coating an edge area and a central area of a substrate with the organic layer material by using a plurality of nozzles, and finishing an organic layer for the thin film encapsulation layer on the substrate. An amount of the organic layer material is adjusted by selectively driving a variable adjustment unit of the substrate.
    Type: Application
    Filed: January 9, 2015
    Publication date: February 11, 2016
    Inventors: Byoung-Duk Lee, Eung-Seok Park, Won-Min Yun, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Organic light emitting diode display and manufacturing method thereof
    Patent number: 9257674
    Abstract: An OLED display includes: a substrate; an organic light emitting element formed on the substrate and including a first electrode, an emission layer, and a second electrode; and an encapsulation layer formed on the substrate while covering the organic light emitting element. The encapsulation layer includes an organic layer and an inorganic layer, and a protrusion and depression structure is formed in an interface between the organic layer and the inorganic layer.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: February 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Sang-Hwan Cho, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee