Patents by Inventor Naoyuki Ito

Naoyuki Ito 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).

  • CONDENSED CYCLIC COMPOUND AND AN ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170194571
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.
    Type: Application
    Filed: January 5, 2017
    Publication date: July 6, 2017
    Inventors: NAOYUKI ITO, SEULONG KIM, YOUNSUN KIM, DONGWOO SHIN, JUNGSUB LEE, JINO LIM
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179204
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein at least one selected from the hole transport region and the emission layer includes a first compound represented by Formula 1A or 1B, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2:
    Type: Application
    Filed: October 12, 2016
    Publication date: June 22, 2017
    Inventors: Jino Lim, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Hyein Jeong
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179401
    Abstract: According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode.
    Type: Application
    Filed: June 24, 2016
    Publication date: June 22, 2017
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim, Hyein Jeong
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179397
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the emission layer includes a first compound represented by Formula 1A or 1B, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2A or 2B:
    Type: Application
    Filed: October 3, 2016
    Publication date: June 22, 2017
    Inventors: Seulong Kim, Naoyuki Ito, Younsun Kim, Dongwoo Shin, Jungsub Lee, Jino Lim, Hyein Jeong
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179416
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein at least one selected from the hole transport region and the emission layer includes a first compound represented by Formula 1A or 1B, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2A or 2B:
    Type: Application
    Filed: October 14, 2016
    Publication date: June 22, 2017
    Inventors: Jino Lim, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Hyein Jeong
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179402
    Abstract: An organic light emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region may include a first compound represented by one selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region may include a second compound represented by Formula 2A or 2B:
    Type: Application
    Filed: June 29, 2016
    Publication date: June 22, 2017
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim, Hyein Jeong
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179403
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the electron transport region includes a first compound, at least one selected from the hole transport region and the electron transport region includes a second compound, the first compound is represented by one selected from Formulae 1A to 1D, and the second compound is represented by Formula 2A or Formula 2B:
    Type: Application
    Filed: July 27, 2016
    Publication date: June 22, 2017
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim, Hyein Jeong
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179395
    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein: the emission layer includes a first compound, at least one of the hole transport region and the electron transport region includes a second compound, the first compound is represented by Formula 1A or 1B, and the second compound is represented by Formula 2A or 2B:
    Type: Application
    Filed: June 9, 2016
    Publication date: June 22, 2017
    Inventors: Seulong KIM, Younsun KIM, Dongwoo SHIN, Jungsub LEE, Naoyuki ITO, Jino LIM, Hyein JEONG
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170179396
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the emission layer includes a first compound represented by one of selected from Formulae 1A to 1E, and at least one selected from the hole transport region and the electron transport region includes a second compound represented by Formula 2A or 2B:
    Type: Application
    Filed: June 20, 2016
    Publication date: June 22, 2017
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim, Hyein Jeong
  • Organic light-emitting device
    Patent number: 9680108
    Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes at least one first material represented by Formula 1 below, and at least one second material represented by Formula 2 below:
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: June 13, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • Organic light emitting diode and organic light emitting display device including the same
    Patent number: 9680109
    Abstract: An organic light emitting diode and an organic light emitting device, the organic light emitting diode including a first compound represented by the following Formula 1; and a second compound represented by the following Formula 2,
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: June 13, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Sub Lee, Seul Ong Kim, Youn Sun Kim, Dong Woo Shin, Naoyuki Ito
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170155056
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a compound represented by Formula 1: When the compound of Formula 1 is used as an electron transport material, an organic light-emitting device including the compound may have high efficiency, low driving voltage, high brightness, and long lifespan.
    Type: Application
    Filed: June 6, 2016
    Publication date: June 1, 2017
    Inventors: Jungsub Lee, Seulong Kim, Younsun Kim, Dongwoo Shin, Naoyuki Ito, Jino Lim
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170155049
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound and the emission layer includes a second compound and a third compound.
    Type: Application
    Filed: June 15, 2016
    Publication date: June 1, 2017
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170155048
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a first compound, the emission layer includes a second compound and a third compound, and the electron transport region includes a fourth compound and a fifth compound. An organic light-emitting device according to the one or more embodiments may have high efficiency and long lifespan.
    Type: Application
    Filed: June 14, 2016
    Publication date: June 1, 2017
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170155058
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes at least one condensed cyclic compound represented by Formula 1: When an organic light-emitting device includes the at least one condensed cyclic compound represented by Formula 1 in the hole transport layer or emission layer, the organic light-emitting device may have improved efficiency and long lifespan characteristics.
    Type: Application
    Filed: September 13, 2016
    Publication date: June 1, 2017
    Inventors: Jungsub Lee, Seulong Kim, Younsun Kim, Dongwoo Shin, Naoyuki Ito, Jino Lim
  • Organic light emitting device
    Patent number: 9666807
    Abstract: An organic light-emitting device including a first electrode; a second electrode opposite to the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by the following Formula 1 and a second compound represented by the following Formula 2:
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170148999
    Abstract: An organic light-emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode, wherein the organic layer includes a mixed organic layer, and the mixed organic layer includes at least two different compounds, and a triplet energy of at least one compound of the at least two different compounds is 2.2 eV or higher. The organic light-emitting device according to embodiments of the present invention may have a low driving voltage, a high efficiency, and a long lifespan.
    Type: Application
    Filed: February 6, 2017
    Publication date: May 25, 2017
    Inventors: Naoyuki Ito, Seul-Ong Kim, Youn-Sun Kim, Dong-Woo Shin, Jung-Sub Lee
  • COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20170148997
    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a compound represented by Formula 1: When the compound represented by Formula 1 is used as electron-transporting material, an organic light-emitting device including this compound may show significantly improved efficiency, driving voltage, high luminance, and long lifespan characteristics.
    Type: Application
    Filed: June 10, 2016
    Publication date: May 25, 2017
    Inventors: Jungsub Lee, Seulong Kim, Younsun Kim, Dongwoo Shin, Naoyuki Ito, Jino Lim
  • Flexible display apparatus and method of manufacturing the same
    Patent number: 9653652
    Abstract: Provided is a flexible display apparatus having an improved light extracting efficiency and a method of manufacturing the flexible display apparatus. The flexible display apparatus includes a flexible substrate having a rippled surface, a pixel electrode on the flexible substrate and having a rippled surface, an intermediate layer on the pixel electrode and including a light emission layer, and an opposing electrode facing the pixel electrode. A method of manufacturing the flexible display apparatus includes applying a tensile force to a flexible substrate, forming a pixel electrode on the flexible substrate, removing the tensile force applied to the flexible substrate to form a rippled surface in the pixel electrode, forming an intermediate layer including an light emission layer on the pixel electrode, and forming an opposing electrode facing the pixel electrode.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: May 16, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Woo Shin, Youn-Sun Kim, Seul-Ong Kim, Jung-Sub Lee, Naoyuki Ito, Chang-Woong Chu
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20170077412
    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer including an emission layer between the first electrode and the second electrode, wherein the organic layer includes a first compound and a second compound, the first compound is selected from compounds represented by Formula 1, and the second compound is selected from compounds represented by Formula 2: An organic light-emitting device including both compounds may exhibit high heat resistance and high durability, as well as a long lifespan and high efficiency.
    Type: Application
    Filed: July 14, 2016
    Publication date: March 16, 2017
    Inventors: Jino Lim, Seulong Kim, Younsun Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito