Tour EL: Module 2: The Electroluminescent Lamp (1950s)
Watch the video below, take the quiz and use Next to continue.

Quiz: Part 9

1. The first electroluminescent lamps used
a.) thin film ZnS:Mn
b.) powdered ITO
c.) TDEL
d.) powdered ZnS:Mn

2. Indium Tin Oxide (ITO) is used in EL lamps because
a.) it is cheap
b.) it is electrically conductive yet transparent
c.) it is rigid and heavy
d.) all of the above

3. EL lamp technology is used in
a.) dashboard displays
b.) luminescent clothing
c.) computer monitors
d.) all of the above

4. True or False: EL runs on 3-8 Watts of power
a.) false
b.) true

5. Major steps in thin film EL technology was developed in Finland and Japan in
a.) 1955
b.) 1983
c.) 1974
d.) 1978

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