Patents by Inventor Yong-Tak YANG

Yong-Tak YANG 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).

  • Organic optoelectronic device and display device
    Patent number: 11145820
    Abstract: An organic optoelectronic device and a display device including the same, the organic optoelectronic device including: an anode and a cathode facing each other; a light-emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light-emitting layer; an auxiliary hole transport layer positioned between the hole transport layer and the light-emitting layer; an electron transport layer positioned between the cathode and the light-emitting layer; and an auxiliary electron transport layer positioned between the electron transport layer and the light-emitting layer, wherein the auxiliary electron transport layer includes at least one kind of first compound represented by chemical formula 1, and the auxiliary hole transport layer includes at least one kind of second compound represented by a combination of a moiety represented by chemical formula 2, a moiety represented by chemical formula 3 and a moiety represented by chemical formula 4.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: October 12, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ho-Kuk Jung, Jae-Jin Oh, Dong-Wan Ryu, Su-Jin Han, Gi-Wook Kang, Eui-Su Kang, Youn-Hwan Kim, Hun Kim, Jae-Han Park, Yong-Tak Yang, Eun-Sun Yu, Han-Ill Lee, Woo-Seok Jeong
  • Organic optoelectric device and display device
    Patent number: 10050212
    Abstract: Disclosed is an organic optoelectric device, including an anode and a cathode facing each other, an emission layer interposed between the anode and the cathode, a hole transport layer interposed between the anode and the emission layer, and a hole transport auxiliary layer interposed between the hole transport layer and the emission layer. The emission layer includes at least one first compound represented by Chemical Formula 1: The emission layer further includes at least one second compound represented by Chemical Formula 2: The hole transport auxiliary layer includes a third compound represented by Chemical Formula 2, the third compound being the same as or different from the second compound.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: August 14, 2018
    Assignee: Cheil Industries, Inc.
    Inventors: Pyeong-Seok Cho, Gi-Wook Kang, Eui-Su Kang, Youn-Hwan Kim, Hun Kim, Yong-Tak Yang, Jae-Jin Oh, Eun-Sun Yu, Nam-Heon Lee, Sang-Shin Lee, Han-Ill Lee
  • COMPOSITION FOR AN ORGANIC OPTOELECTRIC DEVICE
    Publication number: 20180138418
    Abstract: A composition includes a first host compound including moieties represented by Chemical Formulae 1 to 3 that are sequentially bonded with each other, and a second host compound including at least one carbazole group with a substituent having hole characteristics,
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Soo-Hyun MIN, Gi-Wook KANG, Dong-Min KANG, Eui-Su KANG, Youn-Hwan KIM, Yong-Tak YANG, Jae-Jin OH, Nam-Heon LEE, Jin-Hyun LUI, Eun-Sun YU, Ho-Kuk JUNG, Young-Kyoung JO
  • Composition and organic optoelectric device and display device
    Patent number: 9893290
    Abstract: A composition includes a first host compound including moieties represented by Chemical Formulae 1 to 3 that are sequentially bonded with each other, and a second host compound including at least one carbazole group with a substituent having hole characteristics,
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: February 13, 2018
    Assignee: Cheil Industries, Inc.
    Inventors: Soo-Hyun Min, Gi-Wook Kang, Dong-Min Kang, Eui-Su Kang, Youn-Hwan Kim, Yong-Tak Yang, Jae-Jin Oh, Nam-Heon Lee, Jin-Hyun Lui, Eun-Sun Yu, Ho-Kuk Jung, Young-Kyoung Jo
  • ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20170222158
    Abstract: An organic optoelectronic device and a display device including the same, the organic optoelectronic device including: an anode and a cathode facing each other; a light-emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light-emitting layer; an auxiliary hole transport layer positioned between the hole transport layer and the light-emitting layer; an electron transport layer positioned between the cathode and the light-emitting layer; and an auxiliary electron transport layer positioned between the electron transport layer and the light-emitting layer, wherein the auxiliary electron transport layer includes at least one kind of first compound represented by chemical formula 1, and the auxiliary hole transport layer includes at least one kind of second compound represented by a combination of a moiety represented by chemical formula 2, a moiety represented by chemical formula 3 and a moiety represented by chemical formula 4.
    Type: Application
    Filed: April 18, 2017
    Publication date: August 3, 2017
    Inventors: Ho-Kuk JUNG, Jae-Jin OH, Dong-Wan RYU, Su-Jin HAN, Gi-Wook KANG, Eui-Su KANG, Youn-Hwan KIM, Hun KIM, Jae-Han PARK, Yong-Tak YANG, Eun-Sun YU, Han-ILL LEE, Woo-Seok JEONG
  • Organic compound, organic optoelectronic device and display device
    Patent number: 9653690
    Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectric device including the organic compound, and a display device are disclosed.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: May 16, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Han-Ill Lee, Eun-Sun Yu, Dong-Min Kang, Eui-Su Kang, Soo-Hyun Min, Yong-Tak Yang, Jae-Jin Oh, Dong-Kyu Ryu, Sang-Shin Lee, Yu-Na Jang, Soo-Young Jeong, Young-Kyoung Jo, Su-Jin Han, Jin-Seok Hong
  • Luminescent material for organic optoelectric device and organic optoelectric device and display device
    Patent number: 9520567
    Abstract: Disclosed are a luminescent material for an organic optoelectric device represented by Chemical Formula 1, an organic optoelectric device including the luminescent material for an organic optoelectric device, and a display device including the organic optoelectric device.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: December 13, 2016
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Han-III Lee, Eun-Sun Yu, Dong-Min Kang, Eui-Su Kang, Yong-Tak Yang, Jae-Jin Oh, Dong-Kyu Ryu, Sang-Shin Lee, Yu-Na Jang, Soo-Young Jeong, Su-Jin Han, Jin-Seok Hong
  • ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20160163995
    Abstract: An organic optoelectric device includes an anode and a cathode facing each other, an emission layer between the anode and the cathode, a hole transport layer between the anode and the emission layer, and a hole transport auxiliary layer between the hole transport layer and the emission layer, wherein the emission layer includes at least one of a first compound including moieties represented by Chemical Formulae 1 to 3 sequentially linked and at least one of a second compound represented by Chemical Formula 4, and the hole transport auxiliary layer includes at least one of a third compound represented by Chemical Formula 5, and a display device including the organic optoelectric device is also provided.
    Type: Application
    Filed: October 14, 2015
    Publication date: June 9, 2016
    Inventors: Eui-Su KANG, Soo-Hyun MIN, Young-Kwon KIM, Youn-Hwan KIM, Yong-Tak YANG, Eun-Sun YU, Ho-Kuk JUNG, Young-Kyoung JO
  • COMPOSITION, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20160133851
    Abstract: A composition including a first host compound represented by Chemical Formula I and a second host compound represented by Chemical Formula II, and an organic optoelectronic device and a display device including the composition are disclosed.
    Type: Application
    Filed: February 20, 2014
    Publication date: May 12, 2016
    Inventors: Young-Kyoung JO, Han-Ill LEE, Eui-Su KANG, Youn-Hwan KIM, Yong-Tak YANG, Jae-Jin OH, Nam-Heon LEE, Jin-Hyun LUI, Soo-Hyun MIN, Eun-Sun YU, Ho-Kuk JUNG
  • COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE, AND DISPLAY DEVICE
    Publication number: 20160126472
    Abstract: Disclosed are a composition for an organic optoelectronic device including at least one kind of a first host compound represented by the Chemical Formula 1 and at least one kind of a second host compound represented by the Chemical Formula 2, and an organic optoelectronic device and a display device including the composition.
    Type: Application
    Filed: October 1, 2013
    Publication date: May 5, 2016
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jae-Jin OH, Gi-Wook KANG, Eui-Su KANG, Youn-Hwan KIM, Hun KIM, Yong-Tak YANG, Eun-Sun YU, Nam-Heon LEE, Han-III LEE, Pyeong-Seok CHO
  • ORGANIC COMPOUND, ORGANIC OPTOELECTRONIC ELEMENT, AND DISPLAY DEVICE
    Publication number: 20150364694
    Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectronic device including the organic compound, and a display device including the organic optoelectronic device are disclosed.
    Type: Application
    Filed: August 8, 2013
    Publication date: December 17, 2015
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Han-Ill LEE, Eun-Sun YU, Dong-Min KANG, Eui-Su KANG, Young-Sung PARK, Ji-Hun SHIN, Yong-Tak YANG, Jae-Jin OH, Dong-Kyu RYU, Sang-Shin LEE, Yu-Na JANG, Soo-Young JEONG, Su-Jin HAN, Jin-Seok HONG
  • ORGANIC COMPOUND, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
    Publication number: 20150349270
    Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectric device including the organic compound, and a display device are disclosed.
    Type: Application
    Filed: August 7, 2015
    Publication date: December 3, 2015
    Inventors: Han-Ill LEE, Eun-Sun YU, Dong-Min KANG, Eui-Su KANG, Soo-Hyun MIN, Yong-Tak YANG, Jae-Jin OH, Dong-Kyu RYU, Sang-Shin LEE, Yu-Na JANG, Soo-Young JEONG, Young-Kyoung JO, Su-Jin HAN, Jin-Seok HONG
  • LUMINESCENT MATERIAL FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20150340618
    Abstract: Disclosed are a luminescent material for an organic optoelectric device represented by Chemical Formula 1, an organic optoelectric device including the luminescent material for an organic optoelectric device, and a display device including the organic optoelectric device.
    Type: Application
    Filed: September 25, 2013
    Publication date: November 26, 2015
    Inventors: Han-Ill LEE, Eun-Sun YU, Dong-Min KANG, Eui-Su KANG, Yong-Tak YANG, Jae-Jin OH, Dong-Kyu RYU, Sang-Shin LEE, Yu-Na JANG, Soo-Young JEONG, Su-Jin HAN, Jin-Seok HONG
  • ORGANIC OPTOELECTRONIC ELEMENT AND DISPLAY DEVICE COMPRISING SAME
    Publication number: 20150221874
    Abstract: Provided are an organic optoelectronic device and a display device including the same, and the organic optoelectronic device includes an anode, a cathode and at least one organic thin layer between the anode and the cathode, wherein the organic thin layer includes an emission layer, a hole transport layer (HTL), a hole injection layer (HIL), an electron transport layer (ETL), an electron injection layer (EIL) or a combination thereof, the organic thin layer includes an emission layer and a plurality of hole transport layer (HTL), the hole transport layer (HTL) adjacent to the emission layer of the plurality of hole transport layer (HTL) includes a compound represented by Chemical Formula A-1, one of the hole transport layers (HTL) that are not adjacent to the emission layer includes a compound represented by Chemical Formula B-1.
    Type: Application
    Filed: August 13, 2013
    Publication date: August 6, 2015
    Inventors: Jun-Seok Kim, Sung-Hyun Jung, Dong-Wan Ryu, Eui-Su Kang, Yong-Tak Yang, Dong-Kyu Ryu, Han-Ill Lee, Yu-Na Jang, Young-Kyoung Jo, Mi-Young Chae, Dal-Ho Huh, Jin-Seok Hong
  • ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20150102301
    Abstract: Disclosed is an organic optoelectric device, including an anode and a cathode facing each other, an emission layer interposed between the anode and the cathode, a hole transport layer interposed between the anode and the emission layer, and a hole transport auxiliary layer interposed between the hole transport layer and the emission layer. The emission layer includes at least one first compound represented by Chemical Formula 1: The emission layer further includes at least one second compound represented by Chemical Formula 2: The hole transport auxiliary layer includes a third compound represented by Chemical Formula 2, the third compound being the same as or different from the second compound.
    Type: Application
    Filed: June 12, 2014
    Publication date: April 16, 2015
    Inventors: Pyeong-Seok CHO, Gi-Wook KANG, Eui-Su KANG, Youn-Hwan KIM, Hun KIM, Yong-Tak YANG, Jae-Jin OH, Eun-Sun YU, Nam-Heon LEE, Sang-Shin LEE, Han-Ill LEE
  • COMPOSITION AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
    Publication number: 20150001488
    Abstract: A composition includes a first host compound including moieties represented by Chemical Formulae 1 to 3 that are sequentially bonded with each other, and a second host compound including at least one carbazole group with a substituent having hole characteristics,
    Type: Application
    Filed: December 16, 2013
    Publication date: January 1, 2015
    Inventors: Soo-Hyun MIN, Gi-Wook KANG, Dong-Min KANG, Eui-Su KANG, Youn-Hwan KIM, Yong-Tak YANG, Jae-Jin OH, Nam-Heon LEE, Jin-Hyun LUI, Eun-Sun YU, Ho-Kuk JUNG, Young-Kyoung JO
  • Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film
    Publication number: 20130123438
    Abstract: Disclosed is a liquid crystal alignment agent that includes a polymer including a polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof, wherein in Chemical Formulas 1 and 2, X1, X2, Y1 and Y2 are the same as defined in the detailed description.
    Type: Application
    Filed: August 10, 2012
    Publication date: May 16, 2013
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Tae-Hyoung KWAK, Bum-Jin LEE, Jun-Seok KIM, Won-Seok DONG, Kyung-Soo MOON, Hyo-Ju SEO, Yo-Choul PARK, Yong-Tak YANG, Jung-Ah CHOI