Table 1 EL performances of devices

From: The First Tandem, All-exciplex-based WOLED

Device

HTL

Von [V][a]

Lmax [cd/m2]

Imax [mA/cm2]

ηext [%]

ηc [cd/A]

ηp [lm/W]

at 100 cd m−2 [V,%] [b]

CIE [x,y]

B

NPB/TCTA/mCP

2.5

7860 (12 V)

880

2.8

5.4

5.1

5.0, 2.8

0.16,0.23

G

NPB/TCTA

2.0

18100 (12 V)

930

6.2

18.6

12.9

4.5, 5.9

0.41,0.54

Y

DTAF

2.0

10800 (13 V)

1140

5.7

15.1

14.6

3.8, 5.7

0.47,0.51

O

TAPC

2.0

8280 (12.5 V)

1210

3.7

8.9

7.5

4.0, 3.5

0.51,0.48

R

NPNPB

3.0

230 (19.5 V)

1160

0.2

0.1

0.1

16.5, 0.06

0.64,0.36

B1

TAPC/mCP

2.0

24600 (12 V)

1040

8.0

6.1

11.2

4.1, 7.4

0.17,0.23

W

 

4.0

50300 (24 V)

1090

11.6

27.7

15.8

12, 10.6

0.29,0.35

  1. [a]Turn-on voltage at which emission became detectable.
  2. [b]ηext and driving voltage of device at 100 cd m−2.