The LCD consists of a layer of liquid crystal suspended between two layers of conductive glass. (Search for Indium-Tin Oxide or ‘ITO’ coated glass.) Pre-coated glass is readily available online. You don’t need to do this yourself, though. The only step that home experimenters might have trouble following is coating the glass slides with a clear conductive layer, which in the video is done via a process called sputtering to deposit a thin film. used microscope slides and parts purchased online to make an LCD that displays a custom graphic when activated. There is also a related video which goes into much more detail about experimenting with LCD technology. It’s concise and to the point, while still telling you what you need to know should you be interested in rolling your own. If you have ever wondered what it took to make your own custom graphic LCD from scratch, this video from is worth a watch.
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