ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
申请人:Samsung Display Co., Ltd.
公开号:US20200220082A1
公开(公告)日:2020-07-09
Provided are an organic electroluminescence device and a display device including the same. The organic electroluminescence device includes a polycyclic compound represented by Formula 1 in a hole blocking layer and at least one of a first light emitting layer and an electron transport layer, wherein each of Y
1
to Y
5
and Y
11
to Y
15
is independently CH or N, at least four of Y
1
to Y
5
are CH, at least four of Y
11
to Y
15
are CH, and R
1
, R
2
, and R
3
are as disclosed in the description.
Organic electroluminescence device and display device including the same
申请人:Samsung Display Co., Ltd.
公开号:US11335857B2
公开(公告)日:2022-05-17
Provided are an organic electroluminescence device and a display device including the same. The organic electroluminescence device includes a polycyclic compound represented by Formula 1 in a hole blocking layer and at least one of a first light emitting layer and an electron transport layer, wherein each of Y1 to Y5 and Y11 to Y15 is independently CH or N, at least four of Y1 to Y5 are CH, at least four of Y11 to Y15 are CH, and R1, R2, and R3 are as disclosed in the description.
ORGANIC LIGHT EMITTING DIODES AND METHODS OF USE THEREOF
申请人:NORTH CAROLINA STATE UNIVERSITY
公开号:US20210036240A1
公开(公告)日:2021-02-04
Disclosed herein are organic light emitting diode (OLED) devices and methods of use thereof. In one embodiment, an organic light emitting diode (OLED) device includes an emitting layer including: a host and an emitter, wherein the host exhibits triplet-triplet annihilation up-conversion, wherein the emitter has a band gap and exhibits triplet-triplet annihilation up-conversion, wherein the host and the emitter are different, and wherein the emitter has a concentration of 5% or more in the emitting layer.
BORON-CONTAINING COMPOUND AND ORGANIC LIGHT-EMITTING DIODE
申请人:FLASK Corporation
公开号:US20210257553A1
公开(公告)日:2021-08-19
Provided is a boron-containing compound suitable for the material of a blue light-emitting diode and an organic light-emitting diode using the same. The boron-containing compound has a structure represented by the formula (1):
X is each independently —NR
1
—, —CR
2
R
3
—, —O— or —S—. In the —NR
1
— and —CR
2
R
3
—, R
1
to R
3
are each independently hydrogen, deuterium, an alkyl group having 1 to 6 carbon atoms or an aryl group having 5 to 30 core atoms, and R
2
and R
3
may connect with each other to form a ring. Cy
1
is an aryl group having 5 to 30 core atoms. All or part of hydrogen atoms in the formula (1) may be substituted by deuterium, a halogen, an alkyl group having 1 to 6 carbon atoms, an aryl group having 5 to 30 core atoms, a substituted or unsubstituted silyl group, a substituted or unsubstituted amino group, or cyano group.
[EN] ORGANIC LIGHT EMITTING DIODES AND METHODS OF USE THEREOF<br/>[FR] DIODES ÉLECTROLUMINESCENTES ORGANIQUES ET LEURS PROCÉDÉS D'UTILISATION
申请人:UNIV NORTH CAROLINA STATE
公开号:WO2019195383A1
公开(公告)日:2019-10-10
Disclosed herein are organic light emitting diode (OLED) devices and methods of use thereof. In one embodiment, an organic light emitting diode (OLED) device includes an emitting layer including: a host and an emitter, wherein the host exhibits triplet-triplet annihilation up-conversion, wherein the emitter has a band gap and exhibits triplet-triplet annihilation up-conversion, wherein the host and the emitter are different, and wherein the emitter has a concentration of 5% or more in the emitting layer.