Patent classifications
H10K85/658
NOVEL BORON COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING SAME
The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by any one of [Chemical Formula A] to [Chemical Formula E], wherein [Chemical Formula A] to [Chemical Formula E] is as defined in the description.
ORGANOMETALLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
An organometallic compound represented by Formula 1:
M.sub.1(L.sub.11).sub.n11(L.sub.12).sub.n12 Formula 1
wherein, in Formula 1, M.sub.1 is a first-row transition metal of the Periodic Table of Elements, a second-row transition metal of the Periodic Table of Elements, or a third-row transition metal of the Periodic Table of Elements, L.sub.11 is a ligand represented by Formula 1-1, L.sub.12 is a monodentate ligand or a bidentate ligand, n11 is 1, and n12 is 0, 1, or 2:
##STR00001##
wherein the other substituents are as described in the detailed description.
LIGHT EMITTING ELEMENT
A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer comprises a first compound, a second compound, and a third compound, which are different from each other, and the first compound is a polycyclic compound represented by Formula 1, thereby achieving a light emitting element having high emission efficiency.
##STR00001##
ORGANIC LIGHT-EMITTING DEVICE
Provided is an organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an emission layer between the first electrode and the second electrode and including a host and a phosphorescent dopant, wherein a photoluminescence (PL) spectrum of the emission layer may include a first peak (I.sub.max) having a maximum intensity and a second peak (I.sub.2nd) having a second highest intensity, and a rate of change of an intensity of the second peak of the emission layer may be greater than 0 percent (%) of an intensity of a second peak of a PL spectrum of the phosphorescent dopant.
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
A compound of Formula I,
##STR00001##
is provided. In Formula I, one of Z.sup.1, Z.sup.2, and Z.sup.3 is N and the remainder are C; each of L.sup.1 and L.sup.2 is independently selected from a direct bond and a linking group; at least one of R.sup.1, R.sup.2, R.sup.A, R.sup.B, R.sup.C, R.sup.D, and R.sup.E comprises a group R* having a structure selected form the group consisting of Formula II, -Q(R.sup.3)(R.sup.4).sub.a(R.sup.5).sub.b, Formula III,
##STR00002##
and Formula IV,
##STR00003##
Each R, R′, R″, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.A, R.sup.B, R.sup.C, R.sup.D, R.sup.E, R.sup.F, R.sup.G, and R.sup.H is independently hydrogen or a General Substituent, with the proviso that group R* is not adamantyl. Formulations, OLEDs, and consumer products containing the compound are also provided.
FLUORESCENT MATERIAL AND METHOD OF SYNTHESIZING THEREOF
A fluorescent material and a method of synthesizing thereof are provided. The fluorescent material includes a formula (1) as follows:
##STR00001##
formula (1), and Y is N or B; X.sub.1 and X.sub.2 are the same or different; X.sub.1 and X.sub.2 are selected from C or Si; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are the same or different; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are selected from a hydrogen atom, an alkyl group, an aromatic hydrocarbon group, or a heteroaryl group; R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are the same or different; R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are selected from an alkyl group, an aromatic hydrocarbon group, or a heteroaryl group; or R.sub.5 and R.sub.6 form a cyclic group; or R.sub.7 and Rs form a cyclic group.
ORGANIC LIGHT EMITTING DEVICE
The present specification provides an organic light emitting device including a light emitting layer.
POLYCYCLIC AROMATIC DERIVATIVE COMPOUND AND ORGANOELECTROLUMINESCENT DEVICE USING SAME
The present invention relates to a polycyclic aromatic derivative compound that can be employed in an organic layer in a device, and an organoelectroluminescent device with high-efficiency and a long-life, including same and having remarkably improved luminous efficiency, and the device employing same can be efficiently utilized in a variety of displays and lighting devices, such as a flat panel display device, a flexible display device, a single color or white flat lighting device, and a single color or white flexible lighting device.
CONDENSED CYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING CONDENSED CYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING LIGHT-EMITTING DEVICE
A condensed cyclic compound is represented by Formula 1. A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode, wherein the interlayer includes an emission layer and at least one condensed cyclic compound represented by Formula 1. An electronic apparatus includes the light-emitting device.
##STR00001##
LIGHT-EMITTING DEVICE INCLUDING CONDENSED CYCLIC COMPOUND, ELECTRONIC APPARATUS INCLUDING THE LIGHT-EMITTING DEVICE, AND THE CONDENSED CYCLIC COMPOUND
A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode, wherein the interlayer includes an emission layer, and the emission layer includes a condensed cyclic compound. An electronic apparatus includes the light-emitting device. The condensed cyclic compound is represented by Formula 1, wherein the detailed description of Formula 1 is the same as described in the specification:
##STR00001##