Patents by Inventor Byoung-Duk Lee

Byoung-Duk 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).

  • 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
  • Patent number: 9502477
    Abstract: A display apparatus and a filter for improving color purity (color saturation filter) are disclosed. In one aspect, the display apparatus includes a substrate, a display device formed on the substrate and having a plurality of pixel areas that emit different colors of light, and a color saturation filter on the display device. The color saturation filter is formed with a substantially uniform thickness over the plurality of pixel areas and has a transmissivity such that a full width at half maximum at the central wavelength of blue light emitted from one of the pixel areas is about 100 nm or less.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Sang-Hwan Cho, Yun-Ah Chung
  • 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
  • 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
  • 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: 20150021569
    Abstract: A display apparatus and a filter for improving color purity (color saturation filter) are disclosed. In one aspect, the display apparatus includes a substrate, a display device formed on the substrate and having a plurality of pixel areas that emit different colors of light, and a color saturation filter on the display device. The color saturation filter is formed with a substantially uniform thickness over the plurality of pixel areas and has a transmissivity such that a full width at half maximum at the central wavelength of blue light emitted from one of the pixel areas is about 100 nm or less.
    Type: Application
    Filed: April 29, 2014
    Publication date: January 22, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk LEE, Sang-Hwan CHO, Yun-Ah CHUNG
  • Patent number: 8927327
    Abstract: There is provided an organic light emitting display device including a first substrate; an organic light emitting unit formed on the first substrate; a second substrate disposed on the organic light emitting unit; and an adhesive unit for adhering the first substrate and the second substrate to each other, wherein the adhesive unit includes a sealant, and particles that are arranged in the sealant so as to block penetration of external impurities. There is further provided a method of manufacturing the organic light emitting display device.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: January 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeong Cho, Byoung-Duk Lee, So-Young Lee, Sun-Young Lee, Jong-Hyuk Lee
  • Patent number: 8878201
    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: Grant
    Filed: April 18, 2011
    Date of Patent: November 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Byoung-Duk Lee, Yong-Tak Kim, So-Young Lee, Yun-Ah Chung
  • Patent number: 8860919
    Abstract: In order to improve durability, a display apparatus includes a substrate; an encapsulation substrate facing the substrate; a display unit disposed between the substrate and the encapsulation substrate; a sealing unit disposed between the substrate and the encapsulation substrate so as to bond the substrate and the encapsulation substrate and spaced from the display unit; and a protective member formed over at least one surface among surfaces of the substrate and the encapsulation substrate, except surfaces facing the display unit. The protective member includes a base, a plurality of capsules comprising monomers, and a catalyst inducing polymerization of the monomers.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun-Ah Chung, Jong-Hyuk Lee, Seung-Young Song, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Yong-Tak Kim