Fluorescent organic light emitting elements having high efficiency

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Dec 26, 2017
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Mar 30, 2015
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Apr 4, 2014

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Abstract

The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts on basis of benzotriazoles, which have a sufficiently small energy gap between S₁and T₁(ΔE_ST) to enable up-conversion of the triplet exciton from T₁to S₁. The organic light emitting elements show high electroluminescent efficiency.

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UDC IRELAND LIMITED

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Inventor Name	Address	# of filed Patents	Total Citations
Lennartz, Christian	Schifferstadt, DE	137	1986
Tanabe, Junichi	Hyogo, JP	56	2005

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Fluorescent organic light emitting elements having high efficiency

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United States of America Patent

15301863

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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 26, 2017	US,9853224,B2 US9853224B2	GRANTED PATENT AS SECOND PUBLICATION
June 29, 2017	US,20170186976,A1 US20170186976A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	9853224
SERIAL NO	15301863
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15301863

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