Red organic ligh-emitting compound and organic light-emitting device comprising the same
申请人:Hwang Ha-Geun
公开号:US20060022584A1
公开(公告)日:2006-02-02
A red organic light-emitting compound which has a superior heat-resistance and is capable of adjusting the color of the emitted light, and an organic light-emitting device including the same are disclosed. The organic light-emitting compound has the structure of the following chemical formula, and the organic light-emitting device includes the first electrode having a high work function; the second electrode having a low work function; and at least one organic layer formed between the first electrode and the second electrode, which includes the red organic light-emitting compound, wherein, X is C, O, S, SO
2
or N; Y is S or —CR
11
═CR
12
—; R
1
, R
2
, R
3
, R
11
and R
12
can be the same or different, and are hydrogen, alkyl group of 1 to 20 carbon atoms, alkoxy group of 1 to 5 carbon atoms, aryl or heteroaryl group of 4 to 24 carbon atoms, heterocyclic group of 4 to 6 carbon atoms, or fused ring group of 4 to 24 carbon atoms; R
4
and R
5
can be the same or different, and are the functional group defined for R
1
or O; when R
4
and R
5
are O. R
4
and R
5
can be connected to form a heterocyclic ring; is the functional group defined for R
1
or amine group; and n is 1, 2 or 3.
揭示了一种具有优越耐热性并能够调节发射光的颜色的红色有机发光化合物,以及包括该化合物的有机发光器件。该有机发光化合物具有以下化学式的结构,有机发光器件包括具有高功函数的第一电极;具有低功函数的第二电极;以及形成在第一电极和第二电极之间的至少一个有机层,其中包括红色有机发光化合物,其中,X为C、O、S、SO2或N;Y为S或—CR11═CR12—;R1、R2、R3、R11和R12可以相同也可以不同,为氢、1至20个碳原子的烷基、1至5个碳原子的烷氧基、4至24个碳原子的芳基或杂芳基、4至6个碳原子的杂环基,或4至24个碳原子的融合环基;R4和R5可以相同也可以不同,为R1或O定义的官能团;当R4和R5为O时,R4和R5可以连接形成杂环;为R1或胺基定义的官能团;n为1、2或3。