[EN] NOVEL COMPOUND FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME [FR] COMPOSÉ INÉDIT POUR MATÉRIAU ÉLECTRONIQUE ORGANIQUE ET DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE L'UTILISANT
NOVEL COMPOUND FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME
申请人:Shin Hyo Nim
公开号:US20140077179A1
公开(公告)日:2014-03-20
Provided are a novel compound for an organic electronic material and an organic electroluminescent device using the same. The compound for an organic electronic material according to the present invention has high electron transport efficiency, thereby preventing crystallization at the time manufacturing of a device, and allows a layer to be easily formed, thereby improving current characteristics of the device, and thus an OLED device having a lowered driving voltage and improved power efficiency as well as superior luminous efficiency and lifespan characteristics as compared with the existing material can be manufactured.
NOVEL COMBINATION OF A HOST COMPOUND AND A DOPANT COMPOUND AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME
申请人:Rohm and Haas Electronic Mateirals Korea Ltd.
公开号:US20150218441A1
公开(公告)日:2015-08-06
The present invention relates to a specific combination of a dopant compound and a host compound, and an organic electroluminescent device comprising the same. The organic electroluminescent device of the present invention emits yellow-green light; lowers the driving voltage of the device by improving the current characteristic of the device; and improves power efficiency and operational lifespan.
LIGHT-EMITTING DEVICE
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20160028025A1
公开(公告)日:2016-01-28
A light-emitting apparatus includes an organic electroluminescence device, a first color conversion portion that transmits a first color light, and a second color conversion portion that transmits a second color light. The organic electroluminescence device includes an anode, a cathode, and one or more organic layers interposed between the anode and the cathode. At least one of the organic layer(s) is an emitting layer including a host material and a dopant material that emits light including the first color light and the second color light. A difference ΔST(D) between singlet energy EgS(D) of the dopant material and an energy gap Eg
77K
(D) at 77K of the dopant material satisfies Numerical Formula 1 below,
Δ
ST
(
D
)=
EgS
(
D
)−
Eg
77
K
(
D
)<0.3 (eV) (Numerical Formula 1)
ORGANIC ELECTROLUMINESCENT ELEMENT
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20160197287A1
公开(公告)日:2016-07-07
An organic electroluminescence device includes: an anode; a cathode; and an organic layer interposed between the anode and the cathode, in which the organic layer includes an emitting layer and the emitting layer includes a compound represented by a formula (1) below and a compound represented by a formula (2) below. Az
1
of the formula (1) below and Az
2
of the formula (2) below are each an azine ring. Cz of the formula (1) below and HAr of the formula (2) below are each a nitrogen-containing heterocyclic ring.