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).

  • Publication number: 20110140163
    Abstract: An organic light emitting diode (OLED) display device and a method of manufacturing the same is disclosed. In one embodiment, the OLED device includes a substrate; a display unit formed on a display area of the substrate; and an encapsulating film covering i) the display unit and ii) a non-display area surrounding the display area, wherein the density and thickness of the encapsulating film increase in a direction from a center portion of the encapsulating film to an edge portion of the encapsulating film.
    Type: Application
    Filed: April 13, 2010
    Publication date: June 16, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Min-Ho Oh, Yoon-Hyeung Cho, Byoung-Duk Lee, So-Young Lee, Sun-Young Lee, Jong-Hyuk Lee
  • Publication number: 20110133170
    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: Application
    Filed: November 17, 2010
    Publication date: June 9, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.,
    Inventors: Min-Ho OH, Yoon-Hyeong CHO, Byoung-Duk LEE, So-Young LEE, Sun-Young LEE, Jong-Hyuk LEE
  • Publication number: 20110133213
    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: September 20, 2010
    Publication date: June 9, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO. LTD.
    Inventors: Byoung-Duk LEE, Yoon-Hyeung CHO, Jong-Hyuk LEE, Min-Ho OH, So-Young LEE, Sun-Young LEE
  • Publication number: 20110114954
    Abstract: An organic light emitting display apparatus is disclosed. The organic light emitting display apparatus includes: a substrate, a seal facing the substrate, bonded to the substrate, a display area disposed on the substrate configured to produce an image, a pad area disposed on the substrate, present on at least one side of the display area, an insulating layer directly extending from the display area, formed on the pad area, a first adhesive layer surrounding the display area, which bonds the substrate to the seal, and comprising an organic material, and a second adhesive layer insulated from the pad area by the insulating layer, disposed outside the first adhesive layer, which bonds the substrate to the seal.
    Type: Application
    Filed: November 1, 2010
    Publication date: May 19, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sun-Young Lee, Jong-Hyuk Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee
  • Patent number: 7934967
    Abstract: A method of manufacturing an organic light-emitting device, the method including: forming an anode; forming an intermediate layer comprising an emission layer on the anode; and forming a cathode on the intermediate layer, wherein the forming of the cathode comprises thermally depositing indium or indium oxide, with at least one of a metal or a metal oxide in plasma generated in a chamber to form a transparent conductive layer of indium oxide doped with the at least one of the metal or the metal oxide.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: May 3, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yong-Tak Kim, Won-Jong Kim, Jin-Baek Choi, Jong-Hyuk Lee, Yoon-Hyeung Cho, Byoung-Duk Lee, Min-Ho Oh, So-Young Lee, Sun-Young Lee
  • Patent number: 7923923
    Abstract: An organic light emitting display device including: a substrate; a sealing member; an organic light emitting device between the substrate and the sealing member and for displaying images; a selective light absorbing layer on a surface of the sealing member facing the organic light emitting device and including pigments for selectively absorbing light; and a black matrix layer on the selective light absorbing layer corresponding to non-emission areas of the organic light emitting device.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: April 12, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Jong-Hyuk Lee, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Sun-Young Lee, Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi
  • Patent number: 7868527
    Abstract: A polarizer adapted to improve contrast and visibility of a display device, a method of manufacturing the polarizer, and a flat panel display device including the polarizer. In one embodiment, the polarizer includes a base and a plurality of grids disposed in a stripe pattern on the base. Here, the grids are separated from each other and formed of metal-containing graphite.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: January 11, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi, Jong-Hyuk Lee, Jae-Heung Ha, Yoon-Hyeung Cho, Byoung-Duk Lee, Sun-Young Lee, So-Young Lee, Min-Ho Oh
  • Patent number: 7868546
    Abstract: Provided are an organic light emitting display device including a transparent moisture absorption layer formed of at least one of a metal oxide and metal salt having an average particle diameter of 100 nm or less, a binder, and a selective light absorber absorbing light of a wavelength of a specific range, and a method of manufacturing the same. The transparent absorbing layer further contains a dispersant. The organic light emitting display device including the transparent moisture absorption layer has an excellent moisture absorption capability compared to a conventional organic light emitting display device including a getter, and is transparent. Therefore, the organic light emitting display device has desired lifetime characteristics and improved color purity and contrast characteristics.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: January 11, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Won-Jong Kim, Jong-Hyuk Lee, Yoon-Hyeung Cho, Min-Ho Oh, Jin-Baek Choi, Byoung-Duk Lee
  • Patent number: 7838327
    Abstract: An organic light-emitting device including a transparent conducting oxide layer as a cathode and a method of manufacturing the organic light-emitting device. The organic light-emitting device includes an anode disposed on a substrate. An organic functional layer including at least an organic light-emitting layer is disposed on the anode. The transparent conducting oxide layer used as the cathode is disposed on the organic functional layer. The transparent conducting oxide layer cathode is formed by plasma-assisted thermal evaporation. A microcavity structure is not formed in the organic light-emitting device, thereby avoiding a luminance change and a color shift as a function of viewing angle.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: November 23, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Chang-Ho Lee, Jin-Baek Choi, Won-Jong Kim, Jong-Hyuk Lee, Young-Woo Song, Yong-Tak Kim, Yoon-Hyeung Cho, Byoung-Duk Lee, Min-Ho Oh, Sun-Young Lee, So-Young Lee
  • Patent number: 7812525
    Abstract: A wideband retardation layer (or film) that can perform circular polarizing so that the retardation layer can be formed with an organic light-emitting device to be relatively thin and have a relatively high contrast with no reduction in brightness, and an organic light-emitting device including the retardation layer. The retardation film includes a base and a retardation layer including an alkali oxide layer grown to be inclined on a surface of the base, wherein the alkali oxide layer is disposed by slant-angle depositing alkali oxide on the surface of the base.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: October 12, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Baek Choi, Won-Jong Kim, Yong-Tak Kim, Jong-Hyuk Lee, Young-Woo Song, Yoon-Hyeung Cho, Byoung-Duk Lee, Sun-Young Lee, Min-Ho Oh, So-Young Lee
  • Publication number: 20100238547
    Abstract: A wideband retardation layer (or film) that can perform circular polarizing so that the retardation layer can be formed with an organic light-emitting device to be relatively thin and have a relatively high contrast with no reduction in brightness, and an organic light-emitting device including the retardation layer. The retardation film includes a base and a retardation layer including an alkali oxide layer grown to be inclined on a surface of the base, wherein the alkali oxide layer is disposed by slant-angle depositing alkali oxide on the surface of the base.
    Type: Application
    Filed: June 3, 2010
    Publication date: September 23, 2010
    Inventors: Jin-Baek Choi, Won-Jong Kim, Yong-Tak Kim, Jong-Hyuk Lee, Young-Woo Song, Yoon-Hyeung Cho, Byoung-Duk Lee, Sun-Young Lee, Min-Ho Oh, So-Young Lee
  • Publication number: 20100176717
    Abstract: An organic light emitting display device, comprising: a first insulating layer formed on a substrate; a plurality of patterns formed on the first insulating layer, the patterns and the first insulating layer together forming a surface having a corrugated cross-section; a first electrode formed on the patterns and the first insulating layer, the first electrode having a thickness less than a height of the patterns; an organic light emitting layer formed on the first electrode in a light emitting region; and a second electrode formed on the organic light emitting layer. The light completely reflected by internal surfaces of the first and second electrodes is externally emitted due to a mode mismatch phenomenon in an edge portion of a pattern thereof, thereby increasing a light emission rate of the display device.
    Type: Application
    Filed: August 7, 2009
    Publication date: July 15, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sun-Young Lee, Jong-Hyuk Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Kyu-Hwan Hwang
  • Patent number: 7749803
    Abstract: An organic light-emitting device including a transparent conducting oxide layer as a cathode and a method of manufacturing the organic light-emitting device. The organic light-emitting device includes an anode disposed on a substrate. An organic functional layer including at least an organic light-emitting layer is disposed on the anode. The transparent conducting oxide layer used as the cathode is disposed on the organic functional layer. The transparent conducting oxide layer cathode is formed by plasma-assisted thermal evaporation. A microcavity structure is not formed in the organic light-emitting device, thereby avoiding a luminance change and a color shift as a function of viewing angle.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: July 6, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Chang-Ho Lee, Jin-Baek Choi, Won-Jong Kim, Jong-Hyuk Lee, Young-Woo Song, Yong-Tak Kim, Yoon-Hyeung Cho, Byoung-Duk Lee, Min-Ho Oh, Sun-Young Lee, So-Young Lee
  • Publication number: 20100140595
    Abstract: An organic light emitting display device includes a first substrate, a plurality of organic light emitting devices on the first substrate, a second substrate arranged opposite and substantially parallel to the first substrate with the organic light emitting devices therebetween, a plurality of spacers between the organic light emitting devices and the second substrate, and a plurality of fillers alternately arranged with the spacers and configured to fill in space between the first substrate and the second substrate, wherein at least portions of the spacers overlap with a plurality of light emitting regions corresponding to the organic light emitting devices. The spacers and fillers are composed of transparent materials having refractive indexes similar to each other so that visibility and image quality are not lowered and the distance between the substrates is substantially constant.
    Type: Application
    Filed: May 18, 2009
    Publication date: June 10, 2010
    Inventors: So-Young Lee, Sun-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Jong-Hyuk Lee
  • Publication number: 20100045181
    Abstract: The present invention is to provide an organic light emitting display and a method of manufacturing the same, the light emitting display including: a first substrate on which a plurality of light emitting devices are formed; a second substrate disposed to face the first substrate; a dam member disposed between the first substrate and the second substrate to surround the plurality of light emitting devices; an inorganic sealing material disposed between the first substrate and the second substrate on an outward side of the dam member and attaching the first substrate and the second substrate; and a filling material provided between the first substrate and the second substrate on an inward side of the dam member and formed of at least one inert liquid selected from the group consisting of perfluorocarbon and fluorinert.
    Type: Application
    Filed: October 28, 2009
    Publication date: February 25, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Min-ho Oh, Yoon-Hyeung Cho, Byoung-duk Lee, So-young Lee, Sun-yung Lee, Won-jong Kim, Yong-tak Kim, Jin-baek Choi, Jong-hyuk Lee, Seung-han Lee
  • Publication number: 20100045177
    Abstract: The present invention is to provide an organic light emitting display and a method of manufacturing the same. The light emitting display according to the present invention includes: a first substrate on which a plurality of light emitting devices having first electrodes, organic light emitting layers, and second electrodes are disposed; a second substrate disposed to face the first substrate; a dam member disposed between the first substrate and the second substrate to surround the plurality of light emitting devices; an inorganic sealing material disposed between the first substrate and the second substrate in an outer area of the dam member and attaching the first substrate to the second substrate; and a silicon filling material provided between the first substrate and the second substrate inward of the dam member to be in contact with the second electrodes.
    Type: Application
    Filed: October 28, 2009
    Publication date: February 25, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Min-ho Oh, Yoon-hyeung Cho, Byoung-duk Lee, So-young Lee, Sun-young Lee, Won-jong Kim, Yong-tak Kim, Jin-baek Choi, Jong-hyuk Lee, Seung-han Lee
  • Publication number: 20100033078
    Abstract: An organic light emitting display (OLED) device that can improve light coupling efficiency by causing laterally emitted light emitted from an organic light emitting layer to travel in a direction in which an image is formed, resulting in reduced color mixing between pixels by reducing the leakage of internal light. The OLED device includes a substrate, a first electrode arranged on the substrate, a light scattering layer arranged on the substrate and covering a portion of the first electrode and having an opening exposing a portion of the first electrode, a second electrode arranged on the light scattering layer and within the opening facing the first electrode and an organic light emitting layer arranged within the opening between the first electrode and the second electrode.
    Type: Application
    Filed: July 31, 2009
    Publication date: February 11, 2010
    Applicant: SAMSUNG Mobile Display Co., LTD
    Inventors: So-Young Lee, Jong-Hyuk Lee, Sun-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung Duk Lee
  • Publication number: 20100006843
    Abstract: A polysilsesquioxane copolymer, a polysilsesquioxane copolymer including the same, an organic light emitting diode display including the same, and associated methods, the polysilsesquioxane copolymer including a copolymer including repeating units derived from a first monomer selected from the group consisting of alkoxyphenyltrialkoxysilane, alkoxyphenylalkyltrialkoxysilane, alkoxycarbonylphenyltrialkoxysilane, and alkoxycarbonylphenylalkyltrialkoxysilane, and repeating units derived from a second monomer including an ?,?-bis(trialkoxysilyl) compound monomer.
    Type: Application
    Filed: July 8, 2009
    Publication date: January 14, 2010
    Inventors: Sun-Young Lee, Jong-Hyuk Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi, Do-Yeung Yoon
  • Publication number: 20090011278
    Abstract: An organic light emitting device is provided that includes: an anode including an anode material and for injecting holes; an organic layer including a light emitting layer on the anode; and a cathode on the organic layer and through which light emitted from the light emitting layer passes, wherein the cathode includes: a buffer layer, a metal oxide layer including a metal oxide, and a metal layer including a metal having an absolute work function value lower than an absolute work function value of the anode material and coupled to the buffer layer and the metal oxide layer.
    Type: Application
    Filed: March 26, 2008
    Publication date: January 8, 2009
    Inventors: Jin-Baek Choi, Chang-Ho Lee, Won-Jong Kim, Yong-Tak Kim, Jong-Hyuk Lee, Yoon-Hyeung Cho, Byoung-Duk Lee, Min-Ho Oh, Sun-Young Lee, So-Young Lee
  • Publication number: 20090009046
    Abstract: A light emitting display and a method of manufacturing the same, wherein the light emitting display includes a first substrate on which a plurality of light emitting devices is formed, a second substrate provided to face the first substrate, a dam member provided between the first substrate and the second substrate to surround the plurality of light emitting devices, an inorganic sealing material provided between the first substrate and the second substrate on an outer circumference of the dam member to attach the first substrate and the second substrate to each other, and a filling material provided on an internal side of the dam member to cover the plurality of light emitting devices. The inorganic sealing material effectively shields moisture or oxygen and/or increases the life of the light emitting display. The filling material fills the space between the substrates to improve mechanical reliability.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 8, 2009
    Inventors: Min-ho OH, Yoon-hyeung Cho, Byoung-duk Lee, So-young Lee, Sun-young Lee, Won-jong Kim, Yong-tak Kim, Jin-baek Choi, Jong-hyuk Lee, Seung-han Lee