Table 2 Luminance (L), current efficiencies (CE), power efficiencies (PE) and external quantum efficiencies (EQE) of the OLED devices.

From: Thermally Activated Delayed Fluorescence Host for High Performance Organic Light-Emitting Diodes

Device

Maximum

at 100 cd/m2

at 1000 cd/m2

CIE (x, y)

L

CE

PE

EQE

CE

PE

EQE

CE

PE

EQE

cd/m2

cd/A

lm/W

%

cd/A

lm/W

%

cd/A

lm/W

%

A

15870

39.6

51.9

11.9

35.4

42.8

10.6

25.8

25.3

7.8

(0.25, 0.62)

B

20640

34.6

45.3

10.4

30.8

37.3

9.1

26.7

28.0

7.9

(0.24, 0.64)

C

21620

44.4

58.1

13.0

40.2

48.5

11.6

34.0

33.4

9.8

(0.41, 0.55)

D

22170

34.5

41.6

10.0

34.5

41.6

10.0

29.1

26.9

8.4

(0.44, 0.54)