Organic electroluminescent materials and devices

US9647218B2 · kind B2 · utility

Assignee

• UNIVERSAL DISPLAY CORPORATION · US

Inventors

• Raymond Kwong · Plainsboro, US
• Siu Tung Lam · Hsinchu, TW
• Chi Hang Lee · Xiaoyao, CN

Key dates

• Filing date: Aug 20, 2014
• Grant date: May 9, 2017
• Expiry date: Apr 8, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/10

Abstract

A compound having the structure of Formula 1,as well as, a first device and a formulation including the same are disclosed. In the structure of Formula 1: and or (b) R1 isIn addition, R1, R2, R3, R4, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8, Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8, are each independently selected from a variety of substituents, where adjacent A, B, Y, and Z groups are, optionally, joined to form a fused ring structure. Finally, X includes an acceptor group selected from —CmF2m+1, —SimF2m+1, —NCO, —NCS, —OCN, —SCN, —OCmF2m+1, and —SCmF2m+1.