Efficient Tandem Organic Light Emitting Diode Using Organic Photovoltaic Charge Generation Layer

Table 3

Detailed layer structures of red tandem OLED with different interconnectors.

Device	Layer Structure
T1	ITO/EL/IC 1/EL/LiF(2 nm)/Al(150 nm)
T2	ITO/EL/IC 2/EL/LiF(2 nm)/Al(150 nm)
T3	ITO/EL/IC 3/EL/LiF(2 nm)/Al(150 nm)
T4	ITO/EL/IC 4/EL/LiF(2 nm)/Al(150 nm)

EL: Mo (3 nm)/NPB (40 nm)/α-NPD: (30 nm, 20% by volume)/Bphen (30 nm).
IC 1: C70 (5nm)/CoPc (5 nm).
IC 2: LiF (2 nm)/C70 (5 nm)/CoPc (5 nm).
IC 3: Al (3 nm)/C70 (5nm)/Pentacene (5 nm).
IC 4: Al(3 nm)/LiF (2 nm)/C60 (5 nm)/CoPc (5 nm).