A question about the rubber contact strips for LCDs

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- Eric R Snow
  
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posted
18 years ago

Fri, May 27, 2005 6:19 PM

Greetings All, Common in many LCD displays are rubber contact strips which are the connection between the Circuit board and the glass LCD assembly. Looking inside one device I noted that an exact contact strip placement in the long direction was not possible because of mounting tolerances of the circuit board to the plastic case holding the LCD. Using a magnifier to look at the strip it appears that there are strips of two different materials all bonded in a stack. So I'm thinking there is a conducting strip then an insulating strip then a conducting strip etc. Is this correct? Thank You, Eric R Snow

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- Larry Brasfield
  
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posted
18 years ago

Fri, May 27, 2005 7:05 PM

Hi.

Yes. That strip is known as "zebra strip". It works well for low current connections that are not sensitive to small voltage drops.

Welcome.

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--Larry Brasfield
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