Patents Assigned to Rohm and Haas Electronics Materials Korea Ltd.
  • Organic electroluminescent compound and an organic electroluminescent device comprising the same
    Patent number: 10186669
    Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present invention, it is possible to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and noticeably improved driving lifespan.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: January 22, 2019
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD
    Inventors: Hee-Ryong Kang, Hyun-Ju Kang, Jin-Ri Hong, Doo-Hyeon Moon, Young-Mook Lim, Bit-Na-Ri Kim, Nam-Kyun Kim, Mi-Ja Lee
  • COLORED PHOTOSENSITIVE RESIN COMPOSITION AND LIGHT SHIELDING SPACER PREPARED THEREFROM
    Publication number: 20180356723
    Abstract: The present invention relates to a colored photosensitive resin composition capable of forming a cured film that does not generate uneven wrinkles on its surface, to thereby minimize spots on the display screen that may be generated by a defect in the gap between the upper and lower plates during their assembly, with the formation of an excellent step difference and a pattern in a high resolution; and to a light shielding spacer produced therefrom and used for a liquid crystal display, an organic EL display, or the like.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 13, 2018
    Applicant: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hyung-Tak Jeon, Ji Ung Kim, Kyung-Jae Park, Jong-Ho Na, Hyung Gu Kim
  • ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20180351113
    Abstract: The present disclosure relates to organic electroluminescent compounds, and a host material, an electron buffer material, an electron transport material and an organic electroluminescent device comprising the same. By using the organic electroluminescent compounds of the present disclosure, the organic electroluminescent device secures fast electron current properties by intermolecular stacking and interaction, and thus, it is possible to provide the organic electroluminescent device having low driving voltage and/or excellent luminous efficiency and/or efficient lifespan properties.
    Type: Application
    Filed: September 20, 2016
    Publication date: December 6, 2018
    Applicants: Rohm and Haas Electronic Materials Korea Ltd., Rohm and Haas Electronic Materials Korea Ltd.
    Inventor: Hee-Choon Ahn
  • ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20180337340
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure provides an organic electroluminescent device having a remarkably improved lifespan.
    Type: Application
    Filed: December 1, 2016
    Publication date: November 22, 2018
    Applicant: Rohm and Haas Electronic Materials Korea Ltd.
    Inventor: Doo-Hyeon Moon
  • PHOTOSENSITIVE RESIN COMPOSITION AND CURED FILM PREPARED THEREFROM
    Publication number: 20180307141
    Abstract: Disclosed herein are a photosensitive resin composition and a cured film prepared therefrom. The photosensitive resin composition includes a siloxane polymer, a 1,2-quinonediazide compound, an epoxy compound and at least one silane compound represented by formula 1. The silane compound together with the epoxy compound in the resin composition further reduces the number of highly reactive silanol group present in the siloxane polymer. As a result, the resistance (chemical resistance) to chemicals used in a post-processing can be maximized to provide a cured film having excellent stability.
    Type: Application
    Filed: September 23, 2016
    Publication date: October 25, 2018
    Applicant: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Jin Kwon, Geun Huh, Jong-Ho Na, Jong Han Yang
  • Organic electroluminescent compounds and organic electroluminescent device comprising the same
    Patent number: 10069087
    Abstract: The present invention relates to an organic electroluminescent compounds and organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present invention is effective to produce an organic electroluminescent device having low driving voltage, excellent luminous and power efficiencies, and significantly improved driving lifespan.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: September 4, 2018
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Doo-Hyeon Moon, Hee-Ryong Kang
  • Plurality of host materials and an organic electroluminescence device comprising the same
    Patent number: 10069086
    Abstract: The present invention relates to a plurality of host materials and an organic electroluminescent device comprising the same. By comprising a specific combination of a plurality of host compounds, the organic electroluminescent device according to the present invention provides excellent lifespan characteristics while maintaining high luminous efficiency.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: September 4, 2018
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Bitnari Kim, Nam-Kyun Kim, Hong-Yeop Na, Tae-Jin Lee, Kyung-Hoon Choi, Jae-Hoon Shim, Young-Jun Cho, Hee-Ryong Kang, Young-Mook Lim, Hyun-Ju Kang, Doo-Hyeon Moon, Ji-Song Jun, Hee-Choon Ahn, Young-Kwang Kim, Jin-Ri Hong
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 10033001
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure can provide an organic electroluminescent device showing excellence in color purity, solubility, heat stability, driving voltage, current efficiency, and power efficiency, as well as remarkably improved lifespan.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: July 24, 2018
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hyun Kim, So-Young Jung, Sung-Woo Jang, Ga-Won Lee
  • Organic compounds and electronic device comprising an organic layer comprising the organic compounds
    Patent number: 10005729
    Abstract: Organic compounds suitable for organic layers of electronic devices that show improved luminescent properties.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: June 26, 2018
    Assignees: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Zhengming Tang, Chong Xing, Shaoguang Feng, Hong-Yeop Na, Minrong Zhu, Robert J. Wright, David D. Devore
  • Organic electroluminescent compound and an organic electroluminescent device comprising the same
    Patent number: 9997723
    Abstract: The present invention relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present invention, it is possible to produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and noticeably improved driving lifespan.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: June 12, 2018
    Assignee: Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Hee-Ryong Kang, Hyun-Ju Kang, Jin-Ri Hong, Doo-Hyeon Moon, Young-Mook Lim, Bitnari Kim, Nam-Kyun Kim, Mi-Ja Lee
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 9997724
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has good color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: June 12, 2018
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Bitnari Kim, Hee-Ryong Kang, Hyun-Ju Kang, Jin-Ri Hong, Young-Mook Lim, Doo-Hyeon Moon
  • Substituted 12H-indolo[2,3-b]quinoxalino[2?,3?:4,5]pyrrolo[3,2,1-jk]carbazoles as organic electroluminescent materials
    Patent number: 9935274
    Abstract: The present invention relates to an organic compound represented by the following formula 1. The organic compound according to the present invention can produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and remarkably improved driving lifespan.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: April 3, 2018
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Hee-Ryong Kang, Hyun-Ju Kang, Doo-Hyeon Moon, Young-Mook Lim, Bitnari Kim, Nam-Kyun Kim
  • Resins for underlayers
    Patent number: 9880469
    Abstract: Polymeric reaction products of certain substituted tetraarylmethane monomers are useful as underlayers in semiconductor manufacturing processes.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: January 30, 2018
    Assignees: Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Emad Aqad, Mingqi Li, Shintaro Yamada, Sung Wook Cho
  • Polyarylene materials
    Patent number: 9868820
    Abstract: Certain polyarylene oligomers having improved solubility are useful in forming dielectric material layers in electronics applications.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: January 16, 2018
    Assignees: Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Christopher D. Gilmore, Lujia Bu, Peng-Wei Chuang, Deyan Wang, Yerang Kang, Ping Ding, Young Seok Kim, Kathleen M. O'Connell
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 9859507
    Abstract: The present disclosure relates to an organic electroluminescent compound of Formula 1 (variables R1-R10 defined herein), and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device which can be operated at a lowered driving voltage, shows excellence in luminous efficiency such as current efficiency and power efficiency, and has high color purity and improved lifespan.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: January 2, 2018
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hee-Ryong Kang, Hyun-Ju Kang, Young-Mook Lim, Mi-Ja Lee, Nam-Kyun Kim, Bitnari Kim, Jin-Ri Hong, Doo-Hyeon Moon, Su-Hyun Lee
  • Aromatic resins for underlayers
    Patent number: 9809672
    Abstract: Polymeric reaction products of certain aromatic alcohols with certain aromatic aldehydes are useful as underlayers in semiconductor manufacturing processes.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: November 7, 2017
    Assignees: Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd
    Inventors: Li Cui, Sung Wook Cho, Mingqi Li, Shintaro Yamada, Peter Trefonas, III, Robert L. Auger
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 9806271
    Abstract: The present disclosure relates to an organic electroluminescent compound of Formula 1 (variables Y1, Y2 and R1 to R4 defined herein), and an organic electroluminescent device comprising the same. The organic electroluminescent compound according to the present disclosure can be used for the manufacture of an organic electroluminescent device showing improvement in luminous efficiency, especially in current efficiency.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: October 31, 2017
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Mi-Ja Lee, Bitnari Kim, Nam-Kyun Kim, Hee-Ryong Kang
  • ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
    Publication number: 20170301867
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure has good color purity, solubility, and thermal stability. By comprising the organic electroluminescent compound of the present disclosure, an organic electroluminescent device showing low driving voltage, excellent current and power efficiencies, and significantly improved lifespan can be provided.
    Type: Application
    Filed: September 25, 2015
    Publication date: October 19, 2017
    Applicant: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Bitnari Kim, Hee-Ryong Kang, Hyun-Ju Kang, Jin-Ri Hong, Young-Mook Lim, Doo-Hyeon Moon
  • Organic electroluminescent compound and organic electroluminescent device comprising the same
    Patent number: 9768394
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device which has a low driving voltage, excellent current and power efficiencies, and improved operation lifespan.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: September 19, 2017
    Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
    Inventors: Hyun-Ju Kang, Hee-Ryong Kang, Young-Gil Kim, Chi-Sik Kim, Seon-Woo Lee, Jeong-Eun Yang, Hee-Choon Ahn, Kyoung-Jin Park, Tae-Jin Lee
  • Polyarylene polymers
    Patent number: 9752051
    Abstract: Compositions of arylene oligomers and certain curing agents are useful to provide arylene polymer coatings having improved mechanical properties when cured in an oxygen-containing atmosphere. Methods of curing such compositions are also provided.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 5, 2017
    Assignees: Rohm and Haas Electronic Materials LLC, Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Yerang Kang, Young Seok Kim, Peng-Wei Chuang, Christopher Gilmore, Tae Hwan Kim, Herong Lei