MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND USE THEREOF
申请人:YEN FENG-WEN
公开号:US20170077410A1
公开(公告)日:2017-03-16
The present invention discloses an organic material is represented by the following formula (1) or formula (2), the organic EL device employing the material as light emitting host or dopant of emitting layer, hole blocking layer (HBL), electron blocking layer (EBL), electron transport layer (ETL) and hole transport layer (HTL) can display good performance.
wherein B represents a fused ring hydrocarbon units with two to three rings, m represents an integer of 0 to 10, R
1
, G, Rs, X and Y are the same definition as described in the present invention.
COMPOSITION OF MATTER FOR USE IN ORGANIC LIGHT-EMITTING DIODES
申请人:Kyulux, Inc.
公开号:US20190233412A1
公开(公告)日:2019-08-01
The present disclosure relates to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
本公开涉及能够发射延迟荧光的化合物以及这些化合物在有机发光二极管中的应用。
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
申请人:BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
公开号:US20220020935A1
公开(公告)日:2022-01-20
Disclosed are a novel organic electroluminescent material and a device thereof. Such a novel organic electroluminescent material has a structure of Formula 1, and when applied to the organic electroluminescent device, can improve the balance of electrons and holes in the organic electroluminescent device and thus bring excellent device effects such as the improvement of external quantum efficiency, current efficiency, and service life. The novel organic electroluminescent material can be used to prepare organic semiconductor devices and is suitable for different types of organic semiconductor devices, including but not limited to fluorescent OLEDs, phosphorescent OLEDs, white OLEDs, laminated OLEDs, OTFTs, OPVs, etc. Further disclosed are an electroluminescent device comprising the organic electroluminescent material and a compound formulation comprising the organic electroluminescent material.
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
申请人:Samsung Display Co., Ltd.
公开号:US20170271596A1
公开(公告)日:2017-09-21
A compound is represented by one selected from Formulae 1 and 2:
Wherein the components of Formulae 1 and 2 are each independently defined as set forth in the present disclosure. An organic light-emitting device includes at least one of the compound represented by one selected from Formulae 1 and 2.
Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer includes at least a first compound having a structure of H-L-E and a second compound having a general formula of M(L
a
)
m
(L
b
)
n
(L
c
)
q
. The novel material combination consisting of the first compound and the second compound can enable the electroluminescent device to obtain a lower voltage, higher efficiency and an ultra-long lifetime and can provide better device performance. Further provided are a display assembly and a compound combination.