The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

A light emitting element that includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound represented by Formula 1. The light emitting element shows a high emission efficiency and long-life characteristics.

##STR00001##

The purpose of the present invention is to provide: a π-conjugated compound exhibiting excellent light emission characteristics; an organic electroluminescent element using same; a display device; and an illumination device. Accordingly, this organic electroluminescent element is provided with: a positive electrode; a negative electrode; and at least one organic layer which is sandwiched between the positive electrode and the negative electrode, and which includes a light emission layer. The light emission layer includes a π-conjugated compound having a structure represented by any of general formulae (1)-(3) ##STR00001##
(in general formulae (1)-(3), at least one among R1-R4, R5-R8, and R9-R16 represents a group represented by general formula (4) ##STR00002##
(in general formula (4): Ar1 and Ar2 represent substituted or unsubstituted aryl groups; L1 represents a single bond or a substituted or unsubstituted arylene group; and # represents a bond to general formulae (1)-(3))).

Provided are a condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same: ##STR00001##
wherein, in Formula 1, X.sub.1, A.sub.1, L.sub.11, a11, Ar.sub.11, Ar.sub.12, b11, R.sub.11, R.sub.12, c11, and c12 are the same as defined in the specification.

The present invention provides a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic element using the same, and an electronic device thereof, wherein the compound is represented by Formula (1): ##STR00001## wherein: A is a substituent represented by Formula (A-1)-(A-2); ##STR00002##

The present disclosure relates to an organic compound of Formula, and an organic light emitting diode and an organic light emitting display device including the organic compound. In Formula, X is oxygen (O) or sulfur (S), and each of R1 to R4 is independently selected from the group consisting of deuterium, halogen, cyano, C1 to C10 alkyl group, C1 to C10 alkoxy group, C3 to C30 cycloalkyl group, C6 to C30 aryl group, C6 to C30 arylamino group, and C5 to C30 heteroaryl group, wherein each of L1 and L2 is independently selected from the group consisting of C6 to C30 arylene group and C5 to C30 heteroarylene group, and wherein each of a and b is independently 0 or 1, each of c and f is independently an integer of 0 to 3, and each of d and e is independently an integer of 0 to 2.

##STR00001##

The present disclosure provides a boron heterocyclic compound having a structure represented by a chemical formula 1, wherein L.sub.1 and L.sub.2 are each independently selected from the group consisting of C6-C30 aryl, C6-C30 fused aryl, C4-C30 heteroaryl, and C4-C30 fused heteroaryl; and R.sub.1 and R.sub.2 are each independently selected from the group consisting of carbazolyl, a carbazolyl-derived group, acridinyl, an acridinyl-derived group, diarylamino, and a diarylamino-derived group. The double boron heterocyclic structure functions as an electron acceptor and a linker. In the present disclosure, by attaching a group having a large steric hindrance to the boron atom of the boron heterocyclic ring, the molecules the compound are prevented from aggregating, and thus a π-aggregation or excimer formed by direct accumulation of the conjugate plane is avoided, thereby improving the light-emitting efficiency. The present disclosure further provides a display panel and a display apparatus. ##STR00001##

The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film manufactured using the same, a backlight unit and a display apparatus.

Provided is an organic light emitting device that includes an anode, a cathode, a light emitting layer containing a compound of Chemical Formula 1:

##STR00001##

and a hole transport region that includes a compound of Chemical Formula 2:

##STR00002##

the organic light emitting device having improved driving voltage, efficiency and lifetime.

The invention relates to a compound of the general formula I

##STR00001##

to an optoelectronic component containing said type of compound, and to the use of said type of compound in optoelectronic components.