In one aspect, provided is a compound of Formula I,

##STR00001##

In Formula I, M is Pt or Pd; L has the structure

##STR00002##

F.sub.1 is

##STR00003##

or a direct bond; rings A, B, C, D, and F are independently monocyclic rings or multicyclic fused ring systems; each of X.sup.1 to X.sup.10 is independently C or N; each of Z.sup.1 to Z.sup.4 is C or N; each of L.sup.1 to L.sup.5 is a direct bond or an organic linker; each of a, b, c, and d is 0 or 1; each K.sup.1 to K.sup.4 is a direct bond, O, or S; each of Z.sup.1 to Z.sup.4 that is connected to O or S is C; and each R.sup.A, R.sup.B, R.sup.C, R.sup.D, R.sup.E, and R.sup.X is independently hydrogen or a substituent.

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.

A ligand for metal complexes are disclosed, in which an imidazole ring is fused to an aromatic ring as a substituent or an imidazole ring is fused to a six-member ring of the original ligand. The features of these elements within the ligand afford a better device performance in general OLED device.

Provided is a novel heterocyclic compound of Chemical Formula 1: ##STR00001##
and to an organic light emitting device including the same.

A compound including a first ligand L.sub.A of Formula I ##STR00001##
is disclosed. In the structure of Formula I, one of L.sup.1 and L.sup.2 is C, and the other is N; Y.sup.1 to Y.sup.14 are each C or N; at least two adjacent Y.sup.7, Y.sup.8, Y.sup.9, and Y.sup.10 are carbon atoms that are fused to a structure of Formula II ##STR00002##
Z.sup.1 and Z.sup.2 are each O, S, Se, NR, CRR′, or SiRR′; and each R, R′, R.sup.A, R.sup.B, R.sup.C, and R.sup.D is hydrogen or a substituent; and any two substituents may be joined or fused together to form a ring. In the compound, L.sub.A is complexed to a metal M by L.sup.1 and L.sup.2, and M has an atomic weight greater than 40. Organic light emitting devices and consumer products containing the compounds are also disclosed.

An organic compound and a manufacturing method thereof, and an organic light emitting diode electroluminescent device are provided. The organic compound has a suitable HOMO energy level and a high hole mobility. Compared with traditional hole transport materials, when the organic compound is applied in a hole transport layer of the organic light emitting diode electroluminescent device, the organic light emitting diode electroluminescent device has enhanced maximum current efficiency, maximum external quantum efficiency, and service lifespans.

An OLED panel includes a substrate, a first electrode layer, a pixel definition layer, a light-emitting layer, a second electrode layer, a conductive wall, a planarization layer, and a third electrode layer. The planarization layer is disposed on a surface of the second electrode layer facing away from the substrate and includes second openings; the conductive wall is disposed in the second openings, is made of an elastic material, and includes peaks and valleys spaced apart from each other; the third electrode layer is disposed on a side of the conductive wall facing away from the substrate and is in contact with the peaks.

A method for depositing a film on a substrate, which includes the steps of forming a film using a liquid composition that includes a neutral surfactant and a charged lamellar compound, placing the film in contact with the substrate and depositing the film on substrate. Also, a process for analyzing a substrate onto which a film has been deposited by the method.

A compound having structures represented by the following formulas (1) or (2): wherein in the formulas (1) and (2), at least one of R.sub.1 to R.sub.8 is a deuterium atom.

##STR00001##

An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a polycyclic compound represented by Formula 1, and the device shows high emission efficiency:

##STR00001##