Patent classifications
C07F5/027
LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
A light emitting element includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and includes a compound represented by Formula 1 below, thereby exhibiting a long service life characteristic.
##STR00001##
Compound, a display panel and a display device
The present invention relates to a compound, a display panel and a display device. The compound has a structure represented by Formula I. The compound takes a spiro structure as a non-conjugated connecting unit, and a boron-containing group as an electron-accepting group. A light-emitting compound obtained by taking the group as a building block has a narrower half-peak width and higher color purity. The boron-containing spiro structure is connected with an electron-donating group to obtain a bipolar compound, and as a thermal activation delay fluorescence material, the bipolar compound can be used a light-emitting layer material, particularly a doped material, and can also be used as a fluorescent host material or a phosphorescent host material. The compound provided herein can achieve low drive voltages and high luminescence efficiencies when applied to organic electroluminescent devices.
ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING ORGANOMETALLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE
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, a second-row transition metal, or a third-row transition metal, 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 ring CY.sub.1 to ring CY.sub.4, E.sub.1, T.sub.1 to T.sub.4, R.sub.10 to R.sub.40, X.sub.1 to X.sub.4, n1 to n4, a1 to a4, and c10 to c40 may each be understood by referring to the descriptions thereof provided herein, and *1, *2, *3, and *4 are each a binding site to M.sub.1 in Formula 1.
POLYCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING POLYCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING ORGANIC LIGHT-EMITTING DEVICE
Provided are a polycyclic compound represented by Formula 1, an organic light-emitting device including the polycyclic compound, and an electronic apparatus including the organic light-emitting device:
##STR00001##
Formula 1 may be understood by referring to the description of Formula 1 provided herein.
ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
Provided are a family of chromophores including naphthyl or naphthyl-like carbocyclic or heterocyclic rings as luminescent dyes that can be useful as emitters in OLEDs. These compounds have Formula I,
##STR00001##
Also provided are formulations including these inventive compounds. Further provided are OLEDs and related consumer products that utilize these inventive compounds.
Organic molecules for optoelectronic devices
An organic molecule is disclosed herein having a structure of formula I: ##STR00001##
wherein
n=0 or 1 at each occurrence,
m=1-n at each occurrence; i.e. if n is 1, m is 0 and vice versa,
o=0 or 1 at each occurrence, and
p=1-o at each occurrence;
T is selected from the group consisting of a direct bond, NR.sup.3, Si(R.sup.3).sub.2, C(R.sup.3).sub.2, BR.sup.3, O, S, S(O) and S(O).sub.2.
V is selected from the group consisting of a direct bond, NR.sup.3, Si(R.sup.3).sub.2, C(R.sup.3).sub.2, BR.sup.3, O, S, S(O) and S(O).sub.2.
Z is at each occurrence independently form another selected from the group consisting of a direct bond, CR.sup.3R.sup.4, C═CR.sup.3R.sup.4, C═O, C═NR.sup.3, O, SiR.sup.3R.sup.4, S, S(O) and S(O).sub.2.
ORGANIC ELECTROLUMINESCENT DEVICE
The present inventors have focused the fact that an arylamine material having a specific structure is excellent in hole injection/transport ability, thin film stability and durability. The arylamine compound of the above can be selected as a material for the hole transport layer, holes injected from the anode side can be efficiently transported. Furthermore, various organic EL devices combining electron transport materials having a specific structure and the like were manufactured, and the characteristics of the devices were evaluated diligently.
LIGHT EMITTING DIODE
A light emitting diode of one or more embodiments includes a first electrode, a second electrode opposite the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, the at least one functional layer including a polycyclic compound represented by Formula 1 below, wherein the first electrode and the second electrode each independently includes at least one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, Zn, compounds thereof, and mixtures thereof.
##STR00001##
Polycyclic aromatic amino compound
By providing a novel polycyclic aromatic amino compound having an amino substituent and having a plurality of aromatic rings linked via a boron atom, an oxygen atom, or the like, for example, as in the following formula, a selection range of a material for an organic EL element is widened. In addition, by using the novel polycyclic aromatic amino compound as a material for an organic electroluminescent element, an excellent organic EL element is provided ##STR00001##
Compound and organic light emitting element comprising same
Provided are boron-containing polycyclic compounds of Chemical Formula 1: ##STR00001## wherein X1 to X4 are identical to or different from one another and are each independently O, S, NR2 or CR3R4, and a to d are each 0 or 1, with the proviso that 1≤a+b+c+d, and the other substituents are as described in the specification. The compounds have a high electron accepting ability and excellent heat resistance, and can be highly purified by sublimation purification due to their high sublimation temperature. The compounds can form a stable interface with an electrode or an adjacent organic material layer of an organic light emitting device. Also provided is an organic light emitting device including the compound of Chemical Formula 1. The compound can lower driving voltage and lengthen lifetime of the organic light emitting device.