Friday, 31 May 2019

What are rubbery, conductive strips called on the sides of an LCD screen?



I found a component attached to a PCB inside one of my old $5 devices. There are pink, rubbery things attached to either side of the LCD that can bend and were firmly attached (glued?), and there are a lot of exposed conductive traces where the pink things were attached on the PCB.


I would like to know what these pink things are. Pictures are shown below.


LCD


The front side of the LCD ^


LCD


The back side of the LCD ^


PCB


The front side of the PCB. This is where the LCD is connected to. ^


PCB


The back side of the PCB ^



Again, I would like to know what the pink things are.



Answer



Often called Zebra strips (or Elastomeric connectors). They have very thin vertical conductors that connect between flat PCB pads and things like LCD pads on glass.


Here is a link with a similar pink component.


http://en.wikipedia.org/wiki/Elastomeric_connector


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