Abstract:
Processes of polymerizing olefins include contacting ethylene, a (C3-C40)alpha-olefin comonomer, and a solvent in the presence of a chain transfer agent and a catalyst system, the catalyst system comprising a metal-ligand complex according to formula (I).
Abstract:
The polymerization process of this disclosure includes includes polymerizing ethylene and one or more olefins in the presence of a catalyst system under olefin polymerization conditions to form an ethylene-based polymer. The catalyst system comprising a metal-ligand complex according to formula (I): (INSERT FORMULA I)
Abstract:
Organic compounds of formula (I) comprising 2,3 dialkyl- or indeno- substituted, preferably, 2,3 dimethyl- or 5,6-dihydroindeno- substituted N-phenyl indole containing triaryl amines suitable for organic layers of electronic devices, such as hole transfer layers (HTL) and hole induction layers (HIL) in organic light emitting diodes (OLEDs) that show increased luminous efficiency. Such as hole throughput or hole injection layers.
Abstract:
The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II- VI compounds, Group II-V compounds, Group III- VI compounds, Group III-V compounds, Group IV- VI compounds, Group I-III- VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer; and the polymer comprises, as polymerized units, at least one or more monomers having a first monomer structure comprising a) a polymerizable group, b) an electroactive group with formula NAr 1 Ar 2 Ar 3 wherein Ar 1 , Ar 2 and Ar 3 independently are C 6 -C 50 aromatic substituents, and (c) a linker group connecting the polymerizable group and the electroactive group.
Abstract:
A compound having a four-coordinate boron atom to which is connected a first C 3 -C 25 substituent, a second C 3 -C 25 substituent and a bridging substituent comprising from eight to forty non-hydrogen atoms and having two bonds to the boron atom; wherein: (i) each of the first and second C 3 -C 25 substituents is bonded to the boron atom through a carbon, nitrogen or oxygen atom, and, optionally the first and second C 3 -C 25 substituents are connected to form a single substituent having two bonds to the boron atom; (ii) at least one of the first and second C 3 -C 25 substituents is a C 6 -C 25 aromatic substituent; (iii) said aromatic substituent comprises at least one nitrogen atom which is bonded only to carbon or boron atoms; and (iv) the bridging substituent has at least one oxygen, nitrogen, sulfur or phosphorus atom bonded to the boron atom and at least one aromatic ring.
Abstract:
Disclosed is a polymeric charge transfer layer comprising a polymer, which comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. Also disclosed is an organic electronic device especially an organic light emitting device containing the polymeric charge transfer layer.
Abstract:
The invention provides compositions comprising crosslinkable BCB-functionalized materials for use in OLEDs applications. The inventive compositions can be used to form hole-transporting materials for use in electroluminescent devices. In particular, the invention provides a composition comprising at least one compound selected from Structure A, as described herein.
Abstract:
A light emitting device comprising a polymeric charge transfer layer, wherein the polymeric charge transfer layer is formed from a composition comprising a polymer, said polymer comprising one or more polymerized units derived from Structure A, and one or more polymerized units derived from Structure (B), each as follows: A) a monomer having the Structure (A), as defined herein: and B) a monomer that comprises one or more dienophile moieties.
Abstract:
The present invention relates to a polymeric charge transfer layer comprising a polymer and a p-dopant. The polymer comprises as polymerized units, Monomer A, Monomer B, and Monomer C crosslinking agent. The present invention further relates to an organic electronic device, especially an organic light emitting device containing the polymeric charge transfer layer.