Novel compounds and uses in devices

Patent metadata

Field	Value
Publication number	US-2016104847-A1
Application number	US-201514838874-A
Country	US
Kind code	A1
Filing date	Aug 28, 2015
Priority date	Oct 13, 2014
Publication date	Apr 14, 2016
Grant date	—

Abstract

This invention discloses a novel multicomponent system or a single compound that is capable of performing triplet-triplet annihilation up conversion process. (TTA-UC) A solution or solid film that comprises this TTA-UC system or compound is provided. This system or compound can be used in an optical or optoelectronic device.

First claim

1 . A formulation comprising a mixture of:
a sensitizer; an acceptor; and an emitter;
wherein the acceptor has a first triplet energy lower than a first triplet energy of the sensitizer;
wherein the emitter has a first singlet energy lower than a first singlet energy of the acceptor; and
wherein the sensitizer, the acceptor, and the emitter are jointly capable of performing triplet-triplet annihilation upconversion of light incident on the formulation to emit a luminescent radiation comprising a radiation component from the first singlet energy of the emitter.

2 . The formulation of claim 1 , wherein the emitter has a first triplet energy higher than the first triplet energy of the acceptor

3 . The formulation of claim 1 , wherein the emitter has the first triplet energy higher than the first triplet energy of the sensitizer; and
wherein the emitter has the first singlet energy higher than the first singlet energy of the sensitizer.

4 . The formulation of claim 1 , wherein the sensitizer is selected from the group consisting of: an iridium complex, an osmium complex, a platinum complex, a palladium complex, a rhenium complex, a ruthenium complex, and a gold complex.

5 . The formulation of claim 1 , wherein the sensitizer is selected from the group consisting of:

6 . The formulation of claim 1 , wherein the acceptor comprises a fused aromatic group.

7 . The formulation of claim 1 , wherein the acceptor comprises a group selected from the group consisting of: naphthalene, anthracene, tetracene, pyrene, chrysene, perylene, and combinations thereof.

8 . The formulation of claim 1 , wherein the acceptor is selected from the group consisting of:

9 . The formulation of claim 1 , wherein the emitter comprises a group selected from the group consisting of: fluoranthene, pyrene, triarylamine, and combinations thereof.

10 . The formulation of claim 1 , wherein the emitter is selected from the group consisting of:

Assignees

• Universal Display Corp

Inventors

• Xia Chuanjun
• Wang Ting-Chih
• Lin Chun

Classifications

• H01L51/0084 Primary

  Electricity · mapped topic

• C07F15/0066

  without a metal-carbon linkage · CPC title

• H01L51/5016

  Electricity · mapped topic

• C09K2211/1007

  Non-condensed systems · CPC title

• C09K2211/1088

  containing oxygen as the only heteroatom · CPC title