Organic electroluminescent materials and devices
AssigneeUniversal Display Corporation
InventorsLichang Zeng, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia, Ting-Chih (Carina) Wang, Bin Ma, Bert Alleyne, Vadim Adamovich
Life of this patent
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Abstract
The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.
Claims11
A compound having a formula selected from the group consisting of Formula I and Formula II:
- wherein R is selected from the group consisting of:
- wherein R4 is selected from the group consisting of
- wherein R1, R2 and R3 each independently represents mono to maximum allowable substitutions, or no substitution;
- wherein R1, R2 and R3 are each independently selected from the group consisting of hydrogen, deuterium, alkyl, alkenyl, alkyne, alkoxy, halogen, silyl, nitrile, nitro, aryl, heteroaryl and combinations thereof;
- wherein any two adjacent substituents are optionally joined or fused into a ring;
- wherein R4, R1, R2, and R3 are each independently, optionally, further substituted with one or more substituents selected from the group consisting of hydrogen, deuterium, alkyl, alkenyl, alkynyl, alkoxy, halogen, silyl, nitrile, nitro, aryl, heteroaryl, and combinations thereof;
- and
- wherein any hydrogen in the compound is optionally replaced with deuterium.
An organic light emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having a formula selected from the group consisting of Formula I and Formula II:
- wherein R is selected from the group consisting of:
- wherein R4 is selected from the group consisting of
- wherein R1, R2 and R3 each independently represents mono to maximum allowable substitutions, or no substitution;
- wherein R1, R2 and R3 are each independently selected from the group consisting of hydrogen, deuterium, alkyl, alkenyl, alkyne, alkoxy, halogen, silyl, nitrile, nitro, aryl, heteroaryl and combinations thereof;
- wherein any two adjacent substituents are optionally joined or fused into a ring;
- wherein R4, R1, R2, and R3 are each independently, optionally, further substituted with one or more substituents selected from the group consisting of hydrogen, deuterium, alkyl, alkenyl, alkynyl, alkoxy, halogen, silyl, nitrile, nitro, aryl, heteroaryl, and combinations thereof;
- and
- wherein any hydrogen in the compound is optionally replaced with deuterium.
A consumer product comprising an organic light-emitting device (OLED) comprising:
- an anode;
- a cathode;
- and
- an organic layer, disposed between the anode and the cathode, comprising a compound having a formula selected from the group consisting of Formula I and Formula II:
- wherein R is selected from the group consisting of:
- wherein R4 is selected from the group consisting of
- wherein R1, R2 and R3 each independently represents mono to maximum allowable substitutions, or no substitution;
- wherein R1, R2 and R3 are each independently selected from the group consisting of hydrogen, deuterium, alkyl, alkenyl, alkyne, alkoxy, halogen, silyl, nitrile, nitro, aryl, heteroaryl and combinations thereof;
- wherein any two adjacent substituents are optionally joined or fused into a ring;
- wherein R4, R1, R2, and R3 are each independently, optionally, further substituted with one or more substituents selected from the group consisting of hydrogen, deuterium, alkyl, alkenyl, alkynyl, alkoxy, halogen, silyl, nitrile, nitro, aryl, heteroaryl, and combinations thereof;
- and
- wherein any hydrogen in the compound is optionally replaced with deuterium.
Dependencies are inferred from the claim text.