Compound and organic light emitting device using the same

1. An organic light emitting device, comprising:

a first electrode;

organic material layer(s) comprising a light emitting layer, wherein at least one layer of the organic material layer(s) includes the compound of Formula 1; and

a second electrode;

wherein the first electrode, the organic material layer(s), and the second electrode form a layered structure,

wherein X is C or Si;

A is

a is zero or positive integer;

Y is a bond; bivalent aromatic hydrocarbons; bivalent aromatic hydrocarbons which are substituted with at least one substituent group selected from the group consisting of nitro, nitrile, halogen, alkyl, alkoxy, and amino groups; a bivalent heterocyclic group; or a bivalent heterocyclic group which is substituted with at least one substituent group selected from the group consisting of nitro, nitrile, halogen, alkyl, alkoxy, and amino groups;

Y1 and Y2 are each independently bivalent aromatic hydrocarbons; bivalent aromatic hydrocarbons which are substituted with at least one substituent group selected from the group consisting of nitro, nitrile, halogen, alkyl, alkoxy, and amino groups; a bivalent heterocyclic group; or a bivalent heterocyclic group which is substituted with at least one substituent group selected from the group consisting of nitro, nitrile, halogen, alkyl, alkoxy, and amino groups;

Z1 to Z4 are each independently hydrogen; aliphatic hydrocarbons having a carbon number of 1-20; aromatic hydrocarbons; aromatic hydrocarbons which are substituted with at least one substituent group selected from the group consisting of the nitro, nitrile, halogen, alkyl, alkoxy, amino, aromatic hydrocarbon, and heterocyclic groups; a silicon group substituted with aromatic hydrocarbons; a heterocyclic group; a heterocyclic group which is substituted with at least one substituent group selected from the group consisting of the nitro, nitrile, halogen, alkyl, alkoxy, amino, aromatic hydrocarbon, and heterocyclic groups; a thiophene group which is substituted with hydrocarbons having a carbon number of 1-20 or aromatic hydrocarbons having a carbon number of 6-20; or a boron group which is substituted with aromatic hydrocarbons;

R1 to R4, and R6 to R13 are each independently selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted heterocyclic group, an amino group, a nitrile group, a nitro group, a halogen group, an amide group, and an ester group, R1 to R4 and R6 to R13 may form aliphatic or hetero condensation rings along with adjacent groups;

R5 is selected from the group consisting of hydrogen, a substituted or un-substituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group; and

with a proviso that when R5 is the aryl group or the heterocyclic group, carbon at an ortho-position of the aryl or the heterocyclic group and R4 or R6 may form a condensation ring along with a group selected from the group consisting of O, S, NR, PR, C═O, CRR′, and SiRR′, wherein R and R′ each independently are selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or un-substituted alkenyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted heterocyclic group, a nitrile group, an amide group, and an ester group, and may form a condensation ring to form a spiro compound.

2. The organic light emitting device as set forth in claim 1 , wherein R5 of Formula 1 is an aryl or a heterocyclic group.

3. The organic light emitting device as set forth in claim 2 , wherein R5 of Formula 1 is an aryl or a heterocyclic group, and carbon at the ortho-position of the aryl or the heterocyclic group and R4 or R6 form the condensation ring along with a group selected from the group consisting of O, S, NR, PR, C═O, CRR′, and SiRR′.

4. The organic light emitting device as set forth in claim 1 , wherein the compound of Formula 1 is any one of compounds of Formulae 2 to 119:

5. The organic light emitting device as set forth in claim 4 , wherein A is independently any one of following groups:

6. The organic light emitting device as set forth in claim 1 , wherein the organic material layer(s) comprise a hole transport layer, and the hole transport layer includes the compound of Formula 1.

7. The organic light emitting device as set forth in claim 1 , wherein the organic material layer(s) comprise a hole injection layer, and the hole injection layer includes the compound of Formula 1.

8. The organic light emitting device as set forth in claim 1 , wherein the organic material layer(s) comprise a layer which both injects and transports holes and which includes the compound of Formula 1.