White Organic Light-Emitting Diodes Using Two Phosphorescence Materials in a Starburst Hole-Transporting Layer

Table 2

CIE coordinate in all RB-type samples.

	Current (mA)
Sample	1	5	10	20
D	(0.45, 0.40)	(0.37, 0.38)	(0.34, 0.49)	(0.31, 0.38)
E	(0.48, 0.48)	(0.45, 0.46)	(0.44, 0.46)	(0.45, 0.43)
F	(0.38, 0.36)	(0.33, 0.36)	(0.31, 0.39)	(0.30, 0.38)
G	(0.38, 0.40)	(0.36, 0.40)	(0.34, 0.40)	(0.34, 0.39)