SPIRO-COMPOUND FOR ELECTROLUMINESCENT DISPLAY DEVICE AND ELECTROLUMINESCENT DISPLAY DEVICE COMPRISING THE SAME
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United States of America Patent
Stats
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N/A
Issued Date -
May 24, 2007
app pub date -
Sep 21, 2006
filing date -
Sep 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
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.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DOOSAN CORPORATION | 275 JANGCHUNGDAN-RO JUNG-GU SEOUL 04563 04563 |
International Classification(s)

- 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 |
# of filed Patents : 4 Total Citations : 120 | |||
KIM, Kyoung-Soo | Daejeon-si, KR | 17 | 253 |
# of filed Patents : 17 Total Citations : 253 | |||
LEE, Ji-Hoon | Chungju-si, KR | 72 | 820 |
# of filed Patents : 72 Total Citations : 820 | |||
LEE, Sang-Do | Yongin-si, KR | 51 | 786 |
# of filed Patents : 51 Total Citations : 786 | |||
PARK, Jong-Wook | Seoul, KR | 54 | 1715 |
# of filed Patents : 54 Total Citations : 1715 |
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Patent Citation Ranking
- 83 Citation Count
- C09K Class
- 99.12 % this patent is cited more than
- 18 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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