The present invention provides compounds of formulae (1) (2) wherein R.sup.1 and R.sup.2 are C.sub.1-30alkyl, C.sub.2-3O-alkenyl, C.sub.2-30-alkynyl, C.sub.5-7-cycloalkyl, C.sub.6-14-aryl or 5 to 14 membered heteroaryl, wherein C.sub.1-30-alkyl, C.sub.2-3O-alkenyl and C.sub.2-3O-alkynyl can be substituted with one or more substituents selected from the group consisting of halogen, phenyl, O—C.sub.1-20-alkyl, O—C.sub.2-20-alkenyl and O—C.sub.2-2O-alkynyl, and wherein C.sub.5-7-cycloalkyl, C.sub.6-14-aryl and 5 to 14 membered heteroaryl can be substituted with one or more substituents selected from the group consisting of halogen, C.sub.1-20alkyl, C.sub.2-2O-alkenyl, C.sub.2-2O-alkynyl, O—C.sub.1-20-alkyl, O—C.sub.2-2o-alkenyl and O—C.sub.2-2o-alkynyl, R.sup.a, R.sup.b, R.sup.c and R.sup.d are independently and at each occurrence selected from the group consisting of C.sub.1-30alkyl, C.sub.2-30-alkenyl, C.sub.2-30-alkynyl, C.sub.6-14-aryl and 5 to 14 membered heteroaryl, wherein C.sub.1-30-alkyl, C.sub.2-3o-alkenyl and C.sub.2-3o-alkynyl can be substituted with one or more substituents selected from the group consisting of halogen, phenyl, O—C.sub.1-20-alkyl, O—C.sub.2-20-alkenyl and O—C.sub.2-20-alkynyl, and wherein C.sub.5-7-cycloalkyl, C.sub.6-14-aryl and 5 to 14 membered heteroaryl can be substituted with one or more substituents selected from the group consisting of halogen, C.sub.1-20alkyl, C.sub.2-2o-alkenyl, C.sub.2-20-alkynyl, O—C.sub.1-20-alkyl, O—C.sub.2-20-alkenyl and O—C.sub.2-2o-alkynyl, n and o are independently 0, 1, 2, 3, 4 or 5, and m and p are independently 0, 1, 2 or 3, and to electronic device comprising the compounds of formulae 1 or 2. ##STR00001##

Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.

Provided is a compound of Chemical Formula 1:

##STR00001##

wherein in Chemical Formula 1: L is a substituted or unsubstituted C.sub.6-60 arylene; L.sub.1 is a single bond or a substituted or unsubstituted C.sub.6-60 arylene; Ar.sub.1 is any one substituent of the following:

##STR00002##

X is O or S; Ar.sub.2 is a substituted or unsubstituted C.sub.6-60 aryl; each R is independently hydrogen or deuterium; n1 is an integer of 0 to 9; and n2 is an integer of 0 to 9, and an organic light emitting device including the same.

The present invention provides compounds as PPAR agonists and their application, involving a new class of peroxisome proliferator-activated receptor (PPAR) gamma receptor agonist, which can inhibit the production of mitochondrial reactive oxygen species, and most of which can readily cross the blood-brain barrier. The present invention also includes pharmaceutical uses of the compounds.

The present invention provides compounds as PPAR agonists and their application, involving a new class of peroxisome proliferator-activated receptor (PPAR) gamma receptor agonist, which can inhibit the production of mitochondrial reactive oxygen species, and most of which can readily cross the blood-brain barrier. The present invention also includes pharmaceutical uses of the compounds.

An object of the invention is to provide a photoelectric conversion element exhibiting an excellent production suitability. Also, the other object of the invention is to provide an optical sensor and an imaging element comprising the photoelectric conversion element. The photoelectric conversion element of the invention includes a conductive film, a photoelectric conversion film, and a transparent conductive film, in this order, in which the photoelectric conversion film contains a compound represented by Formula (1) below. ##STR00001##

An object of the invention is to provide a photoelectric conversion element exhibiting an excellent production suitability. Also, the other object of the invention is to provide an optical sensor and an imaging element comprising the photoelectric conversion element. The photoelectric conversion element of the invention includes a conductive film, a photoelectric conversion film, and a transparent conductive film, in this order, in which the photoelectric conversion film contains a compound represented by Formula (1) below. ##STR00001##

Provided are novel compounds of Chemical Formula 1:

##STR00001##

where Y is S or O, A is naphthalene ring, L.sub.1 and L.sub.2 are each independently, a direct bond or a substituted or unsubstituted C.sub.6-60 arylene, Ar.sub.1, Ar.sub.2, Ar.sub.3 and Ar.sub.4 are each independently a substituted or unsubstituted C.sub.6-60 and or a substituted or unsubstituted C.sub.2-60 heteroaryl containing at least one of N, O, and S, R.sub.1 is each independently, hydrogen, deuterium, a substituted or unsubstituted C.sub.1-60 alkyl or a substituted or unsubstituted C.sub.6-60 aryl, and m is an integer of 0 to 6. The compounds exhibit high stability to electrons and holes. Also provided is, an organic light emitting device including the compounds, and the devices exhibit greatly improved lifetime characteristics while maintaining high efficiency because of the stability of the compounds of Chemical Formula 1.

Provided are novel compounds of Chemical Formula 1:

##STR00001##

where Y is S or O, A is naphthalene ring, L.sub.1 and L.sub.2 are each independently, a direct bond or a substituted or unsubstituted C.sub.6-60 arylene, Ar.sub.1, Ar.sub.2, Ar.sub.3 and Ar.sub.4 are each independently a substituted or unsubstituted C.sub.6-60 and or a substituted or unsubstituted C.sub.2-60 heteroaryl containing at least one of N, O, and S, R.sub.1 is each independently, hydrogen, deuterium, a substituted or unsubstituted C.sub.1-60 alkyl or a substituted or unsubstituted C.sub.6-60 aryl, and m is an integer of 0 to 6. The compounds exhibit high stability to electrons and holes. Also provided is, an organic light emitting device including the compounds, and the devices exhibit greatly improved lifetime characteristics while maintaining high efficiency because of the stability of the compounds of Chemical Formula 1.

The present specification relates to a compound represented by Chemical Formula 1, and an organic light emitting device including the same.