6.00E-02



5.00E-02



4.00E-02



3.00E-02



2.00E-02



1.00E-02


0.OOE+00


120 140 160


 200

Voltage (V)


Fig 4.1 Brightness vs. voltage for ZnS:ErF3 as-deposited and annealed half and full stack
 devices.


Sann-half

 ann-full

A ad-full

Sad-half