COMPOUND, COMPOSITION AND ORGANIC LIGHT-EMITTING DEVICE
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United States of America Patent
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app pub date -
Sep 25, 2015
filing date -
Sep 25, 2014
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Abstract
A compound of formula (I) wherein: X is0, S, NR11, CR11 2or SiR11 2wherein R11 in each occurrence is independently a substituent; R1is a substituent; R2, R3, and R4are each independently H or a substituent;R5and R6independently in each occurrence is a substituent;m independently in each occurrence is 0, 1 or 2; and n independently in each occurrence is 0, 1, 2, 3 or 4. The compound may be used as a host for a phosphorescent light-emitting material in an organic light-emitting device.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
GB | A | GB2530538 | Sep 25, 2014 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
PUBLISHED PATENT APPLICATION | Compound, composition and organic light-emitting device | Mar 30, 2016 | |||
WO | A1 | WO2016046568 | Sep 25, 2015 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | COMPOUND, COMPOSITION AND ORGANIC LIGHT-EMITTING DEVICE | Mar 31, 2016 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SUMITOMO CHEMICAL COMPANY LIMITED | TOKYO 104-8260 | |
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED | CARDINAL WAY GODMANCHESTER CAMBRIDGESHIRE PE29 2XG |
International Classification(s)

- 2015 Application Filing Year
- H01L Class
- 25498 Applications Filed
- 22451 Patents Issued To-Date
- 88.06 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
BOURCET, Florence | Godmanchester, GB | 34 | 42 |
# of filed Patents : 34 Total Citations : 42 | |||
KAMTEKAR, Kiran | Godmanchester, GB | 45 | 51 |
# of filed Patents : 45 Total Citations : 51 |
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Patent Citation Ranking
- 0 Citation Count
- H01L Class
- 0 % this patent is cited more than
- 8 Age
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