A compound of Chemical Formula 1, and an organic light emitting device including the same, the compound used as a material of an organic material layer of the organic light emitting device and providing high color purity and enhanced lifetime properties. ##STR00001##

Provided is an organic light-emitting display apparatus. The organic light-emitting display apparatus includes a first substrate; an organic light-emitting device disposed on the first substrate; and a thin film comprising at least one perovskite compound represented by Formula 1 disposed on the organic light-emitting device. T the thin film is positioned in a traveling direction of light emitted from the organic light-emitting device:

[A][B.sup.1.sub.nB.sup.2.sub.(1-n)][X].sub.3  <Formula 1>

A is at least one monovalent organic-cation, at least one monovalent inorganic-cation, or a combination thereof. B.sup.1 and B.sup.2 are each independently at least one divalent inorganic-cation. n is a real number satisfying 0<n≦1. X is at least one monovalent anion.

An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode, and the organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer, and touches the cathode. The organic compound layer contains an organic compound represented by the following general formula [1], where R.sub.1 to R.sub.4 represent substituents. ##STR00001##

A display device includes first and second light emitting regions; first and second pixel electrodes in the first and second light emitting regions, respectively; a first organic layer in the first light emitting region, including first and second light emitting layers; a second organic layer in the second light emitting region, including a third light emitting layer; a common electrode on the first and second organic layers; a wavelength conversion pattern on the common electrode, overlapping the first organic layer, and wavelength-converting light of a first color into light of a second color, different from the first color; and a light transmitting pattern on the common electrode, overlapping the second organic layer. The third light emitting layer and one of the first and second light emitting layers emit light of the first color, and another one of the first and second light emitting layers emits light of the second color.

A light emitting device that includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers between the first electrode and the second electrode is provided. At least one functional layer among the plurality of functional layers includes an amine compound represented by Formula 1:

##STR00001##

A light emitting device that includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers between the first electrode and the second electrode is provided. At least one functional layer among the plurality of functional layers includes an amine compound represented by Formula 1:

##STR00001##

A mixed layer including: a matrix material; and a dopant composition, wherein the dopant composition is doped in the matrix material, the dopant composition comprises a first dopant and a second dopant, an amount by weight of the matrix material is greater than an amount by weight of the dopant composition in the mixed layer, the matrix material, the first dopant, and the second dopant are different from each other, the matrix material does not include a transition metal, the first dopant includes a transition metal, the mixed layer is a layer formed by deposition of the matrix material, the first dopant, and the second dopant, the mixed layer has a concentration profile of the dopant composition with respect to a thickness of the mixed layer, provided that T.sub.m1>T.sub.p>T.sub.m1+2 is satisfied, wherein T.sub.m1, T.sub.p, and T.sub.m1+2 are respectively as described herein.

A mixed layer including: a matrix material; and a dopant composition, wherein the dopant composition is doped in the matrix material, the dopant composition comprises a first dopant and a second dopant, an amount by weight of the matrix material is greater than an amount by weight of the dopant composition in the mixed layer, the matrix material, the first dopant, and the second dopant are different from each other, the matrix material does not include a transition metal, the first dopant includes a transition metal, the mixed layer is a layer formed by deposition of the matrix material, the first dopant, and the second dopant, the mixed layer has a concentration profile of the dopant composition with respect to a thickness of the mixed layer, provided that T.sub.m1>T.sub.p>T.sub.m1+2 is satisfied, wherein T.sub.m1, T.sub.p, and T.sub.m1+2 are respectively as described herein.

A compound represented by Chemical Formula 1, a sensor including the compound, a sensor-embedded display panel including the compound, and an electronic device including the compound.

##STR00001##

In Chemical Formula 1, X.sup.1, X.sup.2, X.sup.3, Ar.sup.1, L.sup.1, A, R1, and R.sup.2 are the same as in the specification.

A compound represented by Chemical Formula 1, a sensor including the compound, a sensor-embedded display panel including the compound, and an electronic device including the compound.

##STR00001##

In Chemical Formula 1, X.sup.1, X.sup.2, X.sup.3, Ar.sup.1, L.sup.1, A, R1, and R.sup.2 are the same as in the specification.