9results about "Palladium organic compounds" patented technology

The present invention provides an organometallic compound, a light-emitting element containing the same, and an electronic device including the light-emitting element. [Solution] An organometallic compound represented by the following chemical formula 1, a light-emitting element containing the organometallic compound, and an electronic device containing the light-emitting element: TIFF2026090230000075.tif120169

The present invention provides a metal platinum (II) and palladium (II) complex, an organic light-emitting device and a display or lighting apparatus, wherein a structure of the metal platinum (II) and palladium (II) complex is as shown in the following formula (I). A cyclometalated platinum (II) and palladium (II) complex based on a tetradentate ligand according to the present invention contains molecules having relatively strong rigidity, can effectively inhibit non-radiative transition generated by molecular vibration, and has relatively high quantum efficiency and luminous intensity. Meanwhile, a tetradentate phosphorescent metal complex of the present invention is a novel parent nucleus structure, which may be developed into a series of efficient phosphorescent metal platinum complexes. The present invention has excellent application prospects in the fields of OLED display and lighting and the like, especially in the field of light-emitting layer materials.

The present invention relates to organic electroluminescent materials and devices. According to an aspect of the invention, a compound having a metal planar tetradentate coordination configuration is disclosed. In the compound, the metal M is Pt or Pd; the four coordination atoms are Z 1 , Z 2 , Z 3 , and Z 4 and each is selected from N, C, and O. The compound includes a substituent R, and the atoms M, Z 1 , Z 2 , Z 3 , and Z 4 are used to define a first plane that passes through the metal M and is positioned to have a minimum sum of the shortest distances to Z 1 , Z 2 , Z 3 , and Z 4 . At least one non-hydrogen atom in R is located within a far circle of a cylinder that extends perpendicular to the first plane (i.e., the cylinder is a perpendicular cylinder); the far circle of the cylinder is a height h from a base circle; and the height h is in a range of 3.3 Å to 4.8 Å.

Disclosed herein are metal complexes that exhibit multiple radiative decay mechanisms, together with methods for the preparation and use thereof.

A compound having a first ligand LA comprising a structure of Formula I,is provided, where: each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 and Z2 is C or N; K1 and K2 are each a direct bond or a linker; L1 is a direct bond or an organic linker; each Rα, Rβ, RA and RB is hydrogen or a General Substituent defined herein; and at least one RA or one RB comprises R*, where R* is an alkyl group, a silyl group, a germyl group, or a combination thereof. Formulations, OLEDs, and consumer products containing the compound are also provided.

A compound having a first ligand LA with a structure of Formula I where two consecutive ones of X1 to X8 are C and are joined to a structure of Formula II, is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; each of Z1 to Z2 and X1 to X12 is C or N; each of Y1 and Y2 is a linker; K is a direct bond or a linker; each substituent is hydrogen or a General Substituent defined herein; and LA is coordinated to a metal M. Also provided is a compound having a formula Ir(LA*)x(LB*)y(LC*)z as defined herein. Formulations, OLEDs, and consumer products containing these compounds are further provided.