ESD is a term used for an electrical discharge that occurs from one charged
surface to another un-charged surface usually generated by frictional or
triboelectric effects. I have never heard of ESD issues within cell phones
or LCD displays. It may be possible that a person with a large charge build
up on their bodies could discharge into the phone when they touch the phone,
or possibly the phone could have a charge that could discharge into your
hand, but in either case it seems very unlikely that an electrical discharge
would happen or if it did that it would have much effect on the cell phone or
display. Have you ever heard of ESD being an issue? Outside of good EMC/EMI
practices I am not sure where or what could be done to prevent ESD. Maybe
others on the list may have some insight into this issue.
<< I am doing a graduate research project on the ESD opportunities that exist
in the telecom market, specifically cell phones and laptops that have LCD's
which are affected by ESD. Is this a market to look into, and what are the
requirements and trends that you see going on? What materials or solutions
are currently being used to address ESD problems in these systems, and are
they they working? Lastly, is ESD a factor that is considered when
designing EMI shielding solutions?
I would appreciate any insight you may have. Thanks!
kl >>
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