Organic electroluminescent materials and devices

CN114957298BActive Publication Date: 2026-08-28UNIVERSAL DISPLAY CORP
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Patent Information

Application Number
CN202210179683.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2022-02-16
Filing Date
2022-02-25
Publication Date
2026-08-28
Estimated Expiration
2042-02-25

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Abstract

This application relates to organic electroluminescent materials and devices. The invention provides novel compositions of matter for host materials in OLEDs by incorporating deuterated moieties in organic molecules. Formulations comprising these deuterated compounds are also provided. Further provided are OLEDs and related consumer products using these deuterated compounds.
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Claims

1. A compound, said compound being selected from the group consisting of: and ; in R A' R B' R C' R D' and R E' At least one of them is D; R A' R B' R C' R D' and R E' Each can be independently represented from monosubstituted to the maximum permissible substitution or no substitution; X A1 To X A3 Each of them is independently C or N; Y 2 and Y 3 Each is independently O; and R A' R B' R C' R D' and R E' Each of these groups is independently hydrogen or a substituent selected from the group consisting of: deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, boronyl, aralkyl, alkoxy, aryloxy, amino, silyl, germanyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, thio, sulfinyl, sulfonyl, phosphinyl, selenyl, and combinations thereof.

2. The compound according to claim 1, wherein each X A1 To X A3 It's C.

3. The compound according to claim 1, wherein X A1 To X A3 At least one of them is N.

4. The compound according to claim 1, wherein the compound is at least X% deuterated, X% being selected from the group consisting of: 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, 99%, and 100%.

5. The compound according to claim 1, wherein (Y) 2 Y 3 For the selected groups consisting of the following: (O, O), (O, S), (S, S), (O, Se), (S, Se) and (Se, Se).

6. A compound, said compound being selected from the group consisting of: , , and .

7. An organic light-emitting device (OLED) comprising: anode; cathode; and An organic layer disposed between the anode and the cathode. The organic layer thereof comprises a compound according to any one of claims 1-6.

8. A consumer product comprising an organic light-emitting device (OLED), said OLED comprising: anode; cathode; and An organic layer disposed between the anode and the cathode. The organic layer thereof comprises a compound according to any one of claims 1-6.

Citation Information

Patent Citations

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