CHAPTER 2
2 - 4
COPYRIGHT
©
2000 CANON INC. CANON FAU S-11 REV.0 APR. 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)
Reflective Film
Light Guide Plate
1st Diffusive Film
Brightness Enhancement Film
2nd Diffusive Film
Transparent Plate
An inverter transforms the voltage (+12V) supplied from the scanner into tremendously high
voltages to light on two cold cathode fluorescent lamps to generate the initial light source. The
initial light source is transformed to an equal-intensity light source through Reflective Film,
Light Guide Plate, 1st Diffusive Film, Brightness Enhancement Film (BEF), 2nd Diffusive Film
to Transparent Plate.
Figure 2-4