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

Table 1

CIE coordinate in all RGB-type samples.

	Current (mA)
Sample	1	5	10	20
A	(0.37, 0.48)	(0.35, 0.45)	(0.33, 0.41)	(0.33, 0.42)
B	(0.40, 0.46)	(0.36, 0.46)	(0.35, 0.45)	(0.35, 0.44)
C	(0.45, 0.49)	(0.45, 0.48)	(0.43, 0.45)	(0.38, 0.46)