Light emitting element having an organic layer including a light-emitting layer

1. A light emitting element comprising at least one organic layer which includes a light emitting layer, and which is disposed between a pair of electrodes, wherein at least one layer of the at least one organic layer contains at least one compound consisting of carbon, fluorine and nitrogen,

wherein the compound is a compound represented by the following general formula (A):

X—(R)n   General formula (A)

wherein in general formula (A), X represents a hetero cyclic ring group selected from the group consisting of triazine, pyridine, pyrazine, quinoxaline and pyrrole; R represents a group consisting of carbon and fluorine, or a group consisting of carbon, fluorine and nitrogen; and n represents an integer of 1 or more.

2. The light emitting element of claim 1 , wherein the compound has aglass tranaition temperature in a range of 130° C. to 400° C.

3. The light emitting element of claim 1 , wherein light emission from an excited triplet state is utilized.

4. The light emitting element of claim 3 , wherein when light emission from an excited triplet state is utilized, the compound has a minimum excitation triplet energy level of 65 kcal/mol (272.2 kJ/mol) to 95 kcal/mol (68.05 kJ/mol).

5. The light emitting element of claim 1 , wherein the compound is used as an electron transporting material.

6. The light emitting element of claim 5 , wherein the compound, which is used as an electron transporting material, is contained in an amount of 60 to 100% by mass in an organic layer containing theelectron transporting material.

7. The light emitting element of claim 1 , wherein the compound is used as a host material in a layer containing a light emitting material.

8. The light emitting element of claim 7 , wherein the compound, which is used as a host material, is contained in an amount of 50 to 99.9% by mass in an organic layer containing the host material.

9. The light emitting element of claim 1 , wherein the at least one organic layer contains a phosphorescent material.

10. The light emitting element of claim 9 , wherein the phosphorescent material is a transition metal complex.

11. The light emitting element of claim 10 , wherein the transition metal complex is selected from the group consisting of an iridium complex, a platinum complex, a rhenium complex and a ruthenium complex.

12. The light emitting element of claim 11 , wherein the transition metal complex is an iridium complex.

13. The light emitting element of claim 1 , wherein the at least one organic layer is formed by a resistance heating vapor deposition method, a coating method or a transferring method.

14. The light emitting element of claim 1 , wherein the light emitting layer is formed by a coating method.