Provided are iridium complexes having a ligand L.sub.A of Formula I

##STR00001##

Also provided are formulations comprising these iridium complexes. Further provided are OLEDs and related consumer products that utilize these iridium complexes.

Provided organic light emitting device (OLED) comprising compounds having Formula I:

##STR00001##

wherein rings A, B, C, D, E, and F are each independently a single or fused ring system, consisting of one or more 5-membered or 6-membered carbocyclic or heterocyclic rings; L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup.5, and L.sup.6 are each independently optionally present or is selected from the group consisting of O, S, Se, BR, BRR′, NR, C═R, CRR′, SiRR′, P(O)R, and GeRR′; a, b, c, d, e and f are each 0 for not present or 1 for present; each of R, R′, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 is independently a hydrogen or a substituent; and any two of adjacent R, R′, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 can be joined or fused to form a ring. The compound is an ETL.

A light emitting device that includes a first electrode, a second electrode oppositely disposed to the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes an organometallic compound represented by Formula 1:

##STR00001##

A light emitting element that includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes an organometallic compound represented by Formula 1. The light emitting element exhibits long lifespan properties.

##STR00001##

Tridentate platinum, palladium, and gold complexes of Formulas A-I and A-II and tridentate iridium and rhodium compounds of Formulas B-I, B-II, and B-III suitable for delayed fluorescent and phosphorescent or phosphorescent emitters in display and lighting applications.

##STR00001##

Provided are compounds capable of functioning as an emitter in an organic light emitting device at room temperature, and the compounds are at least 40% deuterated. Also provided are their uses in OLED related electronic devices.

An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, wherein the emission layer includes an electron transport host, a hole transport host, and a dopant, wherein the dopant includes an organometallic compound, and wherein the organometallic compound does not comprise iridium, wherein the organic light-emitting device satisfies predetermined parameters described in the specification.

Novel, lubricious coatings for medical devices are disclosed. The coatings provide improved lubricity and durability and are readily applied in coating processes a low temperatures that do not deform the device. The present invention is also directed to a novel platinum catalyst for use in such coatings. The catalyst provides for rapid curing, while inhibiting cross-linking at ambient temperatures, thereby improving the production pot life of the coatings.

Metal complexes with cyclic ligands having Formula (I), ##STR00001##
are disclosed. Ligands with cyclic structure are believed to be beneficial to the rigidity and stability of the metal complexes, which is desirable for improving OLED device performance.

Provided is a light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a capping layer, wherein the emission layer includes a first emitter, the first emitter emits a first light having a first emission spectrum, the capping layer is in a path along which the first light travels, an emission peak wavelength of the first light is about 520 nm to about 550 nm, the first emitter includes platinum, the capping layer includes an amine-containing compound, and a value of a ratio of CIEy to reflective index (RCR value) of the first light extracted to the outside through the capping layer is 38 or less, and the RCR value is calculated according to Equation 1.

CIEy/R(cap)×100  Equation 1