Writing Tablet/Doodle Board Teardown - What's Inside?

Writing Tablet/Doodle Board Teardown - What's Inside?
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► Buy Links (affiliate):
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[@JackJack-xj8ei]

Thanks. My kids got them recently and my first thought was "how does it work? Lets open it!". Now I don't have to. But still don't quite understand how it works. You think you could add some explanation for us?

[@RM-lmro0510]

LCD writing tablet is usually made up of a transparent or semi-transparent plastic display screen, a liquid crystal layer, a black background placed behind the LCD layer to prevent lights from reflecting, a circuit board, and a back and front housing.

[@dl5930]

When you press on the LCD screen with the stylus it rearranges the crystals allowing visible light through. When you press the reset button it sends an electrical charge through the crystals which realign them to their original state which blocks visible light from passing through, so the screen goes back to black. Essentially what you are doing is destroying the crystal structure using the stylus when you draw which allows light to pass through and you can see the background and when you reset it, it restores the crystals to their original state.

[@vigneshkrishnamoorthy7528]

@@dl5930 yo man your explanation is simply great i was wondering how this works thank you...

[@nataliacorrea9800]

Thanks!

[@zhaniels.romero3519]

thanks

[@Mizai]

thanks