Patent ID: 11957047
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C  Y | IPC C  H

Claim 13:
14. The composition of claim 12, wherein the second compound is selected from the group consisting of, Compound E1 through E3, each represented

by the formula

 

 

wherein in Compound E1: X = O,

in Compound E2: X = S,

in Compound E3: X = Se

 

Compound E4 through E6, each represented

by the formula

 

 

wherein in Compound E4: X = O,

in Compound E5: X = S,

in Compound E6: X = Se

 

Compound E7 through E9, each represented

by the formula

 

 

wherein in Compound E7: X = O,

in Compound E8: X = S,

in Compound E9: X = Se

 

Compound E10 through E12, each represented

by the formula

 

 

wherein in Compound E10: X = O,

in Compound E11: X = S,

in Compound E12: X = Se

 

Compound E13 through E15, each represented

by the formula

 

 

wherein in Compound E13: X = O,

in Compound E14: X = S,

in Compound E15: X = Se

 

Compound E16 through E18, each represented

by the formula

 

 

wherein in Compound E16: X = O,

in Compound E17: X = S,

in Compound E18: X = Se

 

Compound E19 through E21, each represented

by the formula

 

 

wherein in Compound E19: X = O,

in Compound E20: X = S,

in Compound E21: X = Se

 

Compound E22 through E24, each represented

by the formula

 

 

wherein in Compound E22: X = O,

in Compound E23: X = S,

in Compound E24: X = Se

 

Compound E25 through E27, each represented

by the formula

 

 

wherein in Compound E25: X = O,

in Compound E26: X = S,

in Compound E27: X = Se

 

Compound E28

 

 

Compound E29

 

 

Compound E30