Adjusting White OLEDs with Yellow Light Emission Phosphor Dye and Ultrathin NPB Layer Structure

Table 1

Some detailed characteristics of four organic devices (different doping concentrations and ultra thin layer structures), including maximum luminance, CIE coordinates, and power efficiency.

Device	𝐿max (cd/m^2) at voltage	𝐿 (cd/m^2) at 𝐽 = 10 mA/cm^2	CIE (𝑥,𝑦) at voltage	𝜂max (lm/W) at voltage
A	6290 at 11 V	900	(0.34, 0.30) at 11 V	5.15 at 4 V
B	5390 at 15 V	710	(0.33, 0.30) at 11 V	3.32 at 5 V
C	7430 at 13 V	260	(0.40, 0.36) at 13 V	9.93 at 5 V
D	6590 at 10 V	600	(0.39, 0.36) at 13 V	7.42 at 6 V