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7.
plasma
Display
A plasma display uses two parallel glass panels on which electrodes covered
with a dielectric glass layer have been etched. The front panel first goes
through the patterning of transparent electrodes, followed by sputtering a film
of chromium/copper/chromium (CrCuCr). The BUS electrodes (CrCuCr) are then
patterned, a dielectric layer screen-printed and a final protective layer of
Magnesium Oxide evaporated on. The back panel is processed a little differently:
Address electrodes (CrCuCr) are first constructed, followed by printing of a
dielectric layer and a rib pattern. The ribs are then sand-blasted and a
fluorescent layer is screen printed, with a the sealant construction as the
final step.
The 0.1 mm wide gap between the two plates is then filled with a xenon/neon (Xe
Ne) gas mixture.
Click on the graphic to view details:
Courtesy: Philips
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