OLED Fabrication by Using a Novel Planar Evaporation Technique

Table 3

Material utilization rate of the planar source.

T/S (cm)	Planar source plate weight difference (mg)	Substrate weight difference (mg)	Material utilization rate (%)
14	14.2	4.7	33.1
12	13.6	5.7	41.9
10	5.4	4.2	77.8