Organic electroluminescent element
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United States of America Patent
Stats
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Jul 8, 2011
filing date -
Jul 9, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is an organic electroluminescent element which has high luminous efficiency, a low driving voltage, high durability in a high-current-density region, and little change in chromaticity before and after the driving in a high-current-density region. Specifically disclosed is an organic electroluminescent element comprising a pair of electrodes composed of an anode and a cathode, a light-emitting layer arranged between the electrodes, and at least one organic layer arranged between the light-emitting layer and the anode, wherein the light-emitting layer contains, for example, a compound (A), and at least one organic layer arranged between the light-emitting layer and the cathode contains, for example, a compound (a-3).
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 | |
---|---|---|
UDC IRELAND LIMITED | BLANCHARDSTOWN CORPORATE PARK 2 BALLYCOOLIN DUBLIN 15 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Ise, Toshihiro | Kanagawa, JP | 117 | 5044 |
# of filed Patents : 117 Total Citations : 5044 | |||
Itai, Yuichirou | Kanagawa, JP | 5 | 15 |
# of filed Patents : 5 Total Citations : 15 |
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- 7 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 27, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 27, 2029 |
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Date | Code | Event | Description |
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Mar 10, 2025 | PD | Priority Date | |
May 13, 2019 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: MICROENTITY |
May 13, 2019 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Apr 07, 2019 | FP | EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Apr 07, 2019 |
Nov 26, 2018 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: MICROENTITY |
Apr 07, 2015 | I | Issuance | |
Mar 18, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 22, 2014 | F | Filing |

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