Patents by Inventor Seok Hwan Hwang

Seok Hwan Hwang 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 light-emitting device
    Patent number: 9825240
    Abstract: An organic light-emitting device includes: a first electrode; a second 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 second electrode and the emission layer, wherein the hole transport region includes a first compound represented by Formula 1.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong-Suk Kim, Hye-In Jeong, Jin-Soo Hwang, Sam-Il Kho, Seung-Gak Yang, Ja-Hyun Im, Seok-Hwan Hwang
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9825231
    Abstract: A condensed cyclic compound and an organic light—emitting device including the same, the condensed cyclic compound being represented by Formula 1:
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: November 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Hyun Kim, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Hye-Jin Jung, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim
  • Compound and organic light-emitting device comprising the compound
    Patent number: 9806267
    Abstract: A compound is represented by Formula 1, and an organic light-emitting device includes the compound. Embodiments of the compound have excellent electrical properties, high charge-transporting and emission capabilities, high glass transition temperature, and are capable of reducing crystallization. Embodiments of organic light-emitting devices including the compound have high efficiency, low driving voltage, high brightness, and long lifespan.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Soo-Yon Kim, Jong-Woo Kim
  • Silicon-based compound and organic light-emitting diode comprising the same
    Patent number: 9773987
    Abstract: A silicon-based compound represented by Formula 1 below and an organic light-emitting device including the silicon-based compound are provided.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: September 26, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee
  • Amine-based compound and organic light emitting diode comprising the same
    Patent number: 9741949
    Abstract: An amine-based compound and an organic light-emitting diode including the same are provided.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim
  • Compound and organic light-emitting device including the same
    Patent number: 9716234
    Abstract: Provided is a compound represented by Formula 1, Formula 2, or Formula 3:
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: July 25, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Ha Park, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim
  • Condensed cyclic compound and organic light-emitting device comprising the same
    Patent number: 9711736
    Abstract: A condensed cyclic compound is represented by Formula 1. The components of Formula 1 are described herein. An organic light-emitting device includes the condensed cyclic compound. The organic light-emitting device has improved driving voltage, improved luminance, improved efficiency, and improved half-lifetime, as compared to those of an organic light-emitting device that does not include the condensed cyclic compound.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: July 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Han, Soo-Yon Kim, Young-Kook Kim, Seok-Hwan Hwang, Tsuyoshi Naijo
  • Triazine-based compounds and organic light-emitting devices including triazine-based compounds
    Patent number: 9705088
    Abstract: A triazine-based compound is represented by Formula 1 and an organic light-emitting device includes the triazine-based compound.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ha Park, Young-Kook Kim, Eun-Young Lee, Eun-Jae Jeong, Seok-Hwan Hwang
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 9705093
    Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound are provided:
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Hye-Jin Jung, Jin-O Lim, Eun-Young Lee, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jong-Hyuk Lee
  • Condensed cyclic compound and organic light-emitting device comprising the same
    Patent number: 9660197
    Abstract: A condensed cyclic compound represented by Formula 1: Also disclosed is an organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and the condensed cyclic compound of Formula 1. An organic light-emitting device including the condensed cyclic compound of Formula 1 may have low driving voltage, high efficiency, a high luminance, and long lifetime.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Hye-Jin Jung, Kwang-Hyun Kim, Young-Kook Kim, Jong-Woo Kim, Hyoung-Kun Kim
  • Heterocyclic compound and orgainic light-emitting device including the same
    Patent number: 9640768
    Abstract: A heterocyclic compound of Formula 1 and an organic light-emitting device including the same are provided. Ar and X in Formula 1 are defined as in the specification.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: May 2, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Hye-Jin Jung, Jin-O Lim, Eun-Young Lee, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim
  • Heterocyclic compound and organic light-emitting diode including the same
    Patent number: 9627634
    Abstract: Provided is a heterocyclic compound represented by Formula 1 and an organic light-emitting diode including the same:
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: April 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Eun-Jae Jeong, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Kwang-Hyun Kim, Soo-Yon Kim
  • Compound for organic optoelectronic device organic light emitting diode including the same and display including the organic light emitting diode
    Patent number: 9627624
    Abstract: A compound for an organic optoelectronic device is represented by the following Chemical Formula 1. wherein R1, R2, R3, R4, Ar1, Ar2, Ar3, L1, L2, L3, n1, n2, and n3 are further defined in the specification.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-O Lim, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Sang-Hyun Han, Eun-Jae Jeong, Soo-Youn Kim, Jong-Hyuk Lee
  • Heterocyclic compound and organic light-emitting diode including the same
    Patent number: 9608211
    Abstract: A heterocyclic compound and an organic light-emitting diode including the same, the heterocyclic compound being represented by Formula 1 below:
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: March 28, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo-Yon Kim, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Kwang-Hyun Kim, Eun-Jae Jeong
  • Condensed cyclic compound and organic light-emitting device including the same
    Patent number: 9601700
    Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the compound being represented by Formula 1, below: Ar1-(L11)b1-(L1)a1-(L12)b2-Ar2??<Formula 1>
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Woo Kim, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Kwang-Hyun Kim, Eun-Jae Jeong, Soo-Yon Kim
  • Heterocyclic compound and organic light-emitting diode including the same
    Patent number: 9601702
    Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting diode including the same:
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Han, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jin-O Lim, Soo-Yon Kim, Eun-Jae Jeong, Jun-Ha Park, Eun-Young Lee, Kwang-Hyun Kim, Jong-Woo Kim
  • Anthracene-based compounds and organic light-emitting device including the same
    Patent number: 9583715
    Abstract: An anthracene-based compound is represented by Formula 1 as below: wherein Ar, R1 to R3, R11 to R13, L1, L2, a1 to a3, b1, b2, n1, n2, m1, m2, o1 and o2 are as defined in the specification. An organic light-emitting device includes the anthracene-based compound.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: February 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ha Park, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Kwang-Hyun Kim, Eun-Jae Jeong, Soo-Yon Kim
  • Compound for organic light-emitting diode and organic light-emitting diode including the same
    Patent number: 9567287
    Abstract: A compound represented by Formula 1 below may be used in an organic light emitting diode. Additionally, in some embodiments, an organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode and including the compound represented by Formula 1.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ha Park, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Se-Jin Cho, Jong-Hyuk Lee
  • Heterocyclic compound and organic light-emitting device including the same
    Patent number: 9564603
    Abstract: A heterocyclic compound and an organic light-emitting diode including the same, the heterocyclic compound being represented by Formula 1, below:
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: February 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jun-Ha Park, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Kwang-Hyun Kim, Eun-Jae Jeong, Soo-Yon Kim
  • Condensed-cyclic compound and organic light-emitting device including the same
    Patent number: 9564601
    Abstract: A condensed-cyclic compound and an organic light-emitting device including the same, the compound being represented by Formula 1, below:
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: February 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Yon Kim, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jong-Woo Kim, Jin-O Lim, Sang-Hyun Han, Kwang-Hyun Kim, Eun-Jae Jeong