SPIRO-COMPOUND FOR ELECTROLUMINESCENT DISPLAY DEVICE AND ELECTROLUMINESCENT DISPLAY DEVICE COMPRISING THE SAME

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United States of America Patent

APP PUB NO 20070116984A1
SERIAL NO

11534098

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a spiro-compound for an electroluminescence display device and an electroluminescence display device including the same. More particularly, the present invention relates to a spiro-compound comprising at least one selected from the group consisting of a compound represented as the following Formulae 1 and 2 and an electroluminescence display device including the same: In the above Formulae 1 and 2, the definition of the substituents is the same as in the specification. The spiro-compounds represented by the above Formulae 1 and 2 are applicable to any one of a hole injection layer (HIL), a hole transport layer (HTL), an electroluminescent layer, an electron transport layer (ETL), and an electron injection layer (EIL) of the electroluminescence display device. The spiro-compound can realize various colors with low energy, emit blue light even at a low voltage, and have an advantage of excellently increasing luminance and luminous efficiency.

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Patent Owner(s)

Patent OwnerAddress
DOOSAN CORPORATION275 JANGCHUNGDAN-RO JUNG-GU SEOUL 04563 04563

International Classification(s)

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  • 2006 Application Filing Year
  • C09K Class
  • 1119 Applications Filed
  • 567 Patents Issued To-Date
  • 50.68 % Issued To-Date

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHOI, Cheol-Kyu Yongin-si, KR 4 120
KIM, Kyoung-Soo Daejeon-si, KR 17 253
LEE, Ji-Hoon Chungju-si, KR 72 820
LEE, Sang-Do Yongin-si, KR 51 786
PARK, Jong-Wook Seoul, KR 54 1715

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Patent Citation Ranking

  • 83 Citation Count
  • C09K Class
  • 99.12 % this patent is cited more than
  • 18 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2528184211755921301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90100 +020406080100120140160180200220240260280300

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