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).

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 9214647
    Abstract: Disclosed is an organic light emitting diode device including a substrate, an organic light emitting element disposed on the substrate, a polymer resin layer covering the organic light emitting element, and a getter disposed between the organic light emitting element and the polymer resin. The getter may include a moisture absorbing material and a binder having a volatilization degree of about 400 ppm or less when heated at a temperature ranging from about 60° C. to about 120° C. for about 2 hours.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: December 15, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Jong-Hyuk Lee, Yoon Hyeung Cho, Min-Ho Oh, So-Young Lee, Sun-Young Lee
  • Patent number: 9203049
    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: June 11, 2013
    Date of Patent: December 1, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yun-Ah Chung, Yoon-Hyeung Cho
  • Patent number: 9093651
    Abstract: In an aspect, a composition including an acrylate monomer, and aromatic aryl amine compound, an organic light emitting display apparatus including the composition and a method of manufacturing an organic light emitting display apparatus including the composition are provided.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: July 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yong-Tack Kim, Jong-Woo Kim, Min-Ho Oh, So-Young Lee, Jin-Hwan Jeon, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Patent number: 9070889
    Abstract: An organic light emitting diode (OLED) display a includes: a substrate; an organic light emitting element on the substrate and including a first electrode, a light emission layer, and a second electrode; and an encapsulation layer on the substrate while covering the organic light emitting element. The encapsulation layer includes an organic layer and an inorganic layer. A mixed area, where organic materials forming the organic layer and inorganic materials forming the inorganic layer co-exist along a plane direction of the encapsulation layer, is formed at the boundary between the organic layer and the inorganic layer.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: June 30, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Sang-Hwan Cho, Yong-Tak Kim, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee
  • Patent number: 9066380
    Abstract: In an aspect, a light-emitting display device and a method of fabricating the same is provided. The light-emitting display device includes a display substrate which comprises a pixel region and a non-pixel region; an encapsulation member which is disposed above the display substrate; and a destructive interference unit.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 23, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hwan Cho, Soo Youn Kim, Sang Hyun Park, Yoon Hyeung Cho, Seung Yong Song
  • Patent number: 9048459
    Abstract: A display device and a method of manufacturing the same. The display device includes a substrate, an organic light emitting diode (OLED) arranged on the substrate, a thin film encapsulation layer arranged on the substrate to cover the OLED and including an inorganic material layer and an organic material layer, and an anti-reflection layer arranged on the thin film encapsulation layer and including a dielectric layer and a metal layer.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hwan Cho, Jin Hwan Jeon, Soo Youn Kim, Sang Hyun Park, Yoon Hyeung Cho, Seung Yong Song
  • Publication number: 20150129860
    Abstract: A getter composition including a moisture absorbing material and a binder having a volatility of 400 ppm or less when heated to a temperature in the range of 60° C. to 120° C.
    Type: Application
    Filed: January 22, 2015
    Publication date: May 14, 2015
    Inventors: Byoung-Duk Lee, Yoon-Hyeung Cho, Jong-Hyuk Lee, Min-Ho Oh, So-Young Lee, Sun-Young Lee
  • Publication number: 20150108453
    Abstract: An organic light-emitting display apparatus is disclosed. In one embodiment, the display apparatus includes i) a substrate and ii) an organic light-emitting device formed on the substrate, the organic light-emitting device including a stack structure including a first electrode, an organic light-emitting layer, and a second electrode. The apparatus may further include a sealing layer formed on the substrate so as to cover the organic light-emitting device, the sealing layer including an inorganic layer and a porous layer interposed between the sealing layer and the organic light-emitting device. One embodiment can reduce a stress due to a sealing inorganic layer so as to maintain characteristics for a long time in a severe environment and not affect an organic light-emitting device.
    Type: Application
    Filed: October 1, 2014
    Publication date: April 23, 2015
    Inventors: Min-Ho OH, Yoon-Hyeung CHO, Byoung-Duk LEE, Yong-Tak KIM, So-Young LEE, Yun-Ah CHUNG
  • Publication number: 20150060797
    Abstract: In an aspect, a composition including an acrylate monomer, and aromatic aryl amine compound, an organic light emitting display apparatus including the composition and a method of manufacturing an organic light emitting display apparatus including the composition are provided.
    Type: Application
    Filed: July 14, 2014
    Publication date: March 5, 2015
    Inventors: Byoung-Duk Lee, Yong-Tack Kim, Jong-Woo Kim, Min-Ho Oh, So-Young Lee, Jin-Hwan Jeon, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Publication number: 20150048326
    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: Application
    Filed: May 21, 2014
    Publication date: February 19, 2015
    Applicant: 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
  • Patent number: 8957436
    Abstract: A getter composition including a moisture absorbing material and a binder having a volatility of 400 ppm or less when heated to a temperature in the range of 60° C. to 120° C. for 2 hours and an organic light emitting diode device including the getter composition.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yoon-Hyeung Cho, Jong-Hyuk Lee, Min-Ho Oh, So-Young Lee, Sun-Young Lee
  • Publication number: 20150042346
    Abstract: A display apparatus is provided. The display apparatus includes a substrate, a display panel on the substrate, and an encapsulation film sealing the display panel. The encapsulation film includes at least one organic layer and/or at least one inorganic layer and at least one pair of conductive layers.
    Type: Application
    Filed: March 11, 2014
    Publication date: February 12, 2015
    Applicants: Seoul National University R&DB Foundation, Samsung Display Co., Ltd.
    Inventors: Min-Ho OH, Yoon-Hyeung Cho, Yong-Tak Kim, So-Young Lee, Jong-Woo Kim, Ji-Young Moon, Hyeong-Joon Kim, Sang-Hyun Park, Hyuk-Jin Kim, Seung-Ha Oh