IP Library Granted Patent US 8,647,753
Granted Patent B2
US 8,647,753 · App. 11/545,732 · Granted Feb 11, 2014

Organic electroluminescence device

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Quick Facts
Patent No.
US 8,647,753
App. No.
11/545,732
Granted
Feb 11, 2014
Kind
B2
Abstract

Disclosed is an organic electroluminescent device comprising a structure having an anode, an emitting layer, and a cathode stacked therein, wherein a fluorescent compound represented by Formula 1 is used as a emitting material of the emitting layer or used as a dopant of the emitting layer: wherein A 1 and A 2 are independently selected from a substituted or unsubstituted C 1 -C 6 aliphatic group, a C 6 -C 20 aromatic group and a C 5 -C 19 heterocyclic group containing N, S or O, A 3 is selected from a substituted or unsubstituted C 1 -C 6 aliphatic group, a C 6 -C 20 aromatic group, a C 5 -C 19 heterocyclic group containing N, S or O, and a hydrogen atom, and substituents of A 1 , A 2 and A 3 are respectively one or more and the substituent is selected from the group consisting of C 1 -C 10 alkyl, C 1 -C 1 alkoxy, C 1 -C 10 alkylamino, C 1 -C 10 alkylsilyl, a halogen atom, C 6 -C 10 aryl, C 6 -C 10 aryloxy, C 6 -C 10 arylamino, C 6 -C 10 arylsilyl and a hydrogen atom.

Claims (17)

1. An organic electroluminescent device comprising a structure having an anode, an emitting layer, and a cathode stacked therein, wherein a dopant of the emitting layer is selected from the group consisting of G-03 to G-06, G-11, G-14, G-16 to G-19, G-21 to G-24, G-26 to G-66, G-71, G-72, G-77, G-78, G-80 to G-85, G-87 to G-90, G-92 to G-99, G-101 to G-124, G-126 to G-129, and G-132 to G-156 below:

and a host of the emitting layer is selected from the group consisting of the H-2 to H-5, H-7 to H-32below:

2. The device according to claim 1 , wherein an emitting color of the device is orange.

3. The device according to claim 1 , wherein an emitting color of the device is green.

4. The device according to claim 2 , wherein a coordinate of the orange color is CIE X=0.45˜0.60, CIE Y=0.30˜0.50.

5. The device according to claim 3 , wherein a coordinate of the green color is CIE X=0.00˜0.45, CIE Y=0.35 ˜0.85.

6. The device according to claim 1 , wherein the doping concentration of the dopant is in the range of 0.5 to 10% by weight.

7. The device according to claim 1 , wherein the host of the emitting layer is selected from the group consisting of H-2 to H-5, H-7 to H-115, and H-23 to H-32.

8. The device according to claim 7 , wherein the host of the emitting layer is selected from the group consisting of H-2 to H-5, H-7 to H-10, and H-12 to H-32.

9. The device according to claim 1 , 7 or 8 , wherein the dopant of the emitting layer is selected from the group consisting of G-34 to G-66, G-101 to G-129, and G132 to G-156.

10. The device according to claim 1 , 7 or 8 , wherein the dopant of the emitting layer is selected from the group consisting of G-3, G-19, G-36, G-39, G-42, G-64, G-72, G-78, G-85, G-101, G-102, G-116, G-120, G-124,G-140, G-148, and G-153.

11. The device according to claim 8 , wherein the host of the emitting layer is H-11, and the dopant of the emitting layer is selected from the group consisting of G-133 and G-146.

12. The device according to claim 11 , wherein the dopant of the emitting layer is G- 133 .

13. The device according to claim 11 , wherein the dopant of the emitting layer is G-146.

14. The device according to claim 7 , wherein the host of the emitting layer is H-2.

15. The device according to claim 7 , wherein the host of the emitting layer is H-3.

16. The device according to claim 7 , wherein the host of the emitting layer is H-4.