We’ve come a long way since CRT screens were a thing, but can a dual-layer LCD monitor outshine an OLED panel? Inventor Matthew Perks wanted to find out, so he built one using monitors you can find at any electronics store. The build started with him purchasing two of the same monitor and placing one screen in front of the other, but the darkening effect was too prominent.
Next, he tried placing tracing paper between those screens and an overall dim image ensued. What it needed was a backlight, so he filled the background with an LED matrix, with tracing paper distanced slightly above it. To finish things off, the LCD was taken from the last monitor and placed atop the other one, separated by tracing paper. In the end, he ended up with dual-layer LCD monitor that actually worked, complete with cooling, power, and controller boards.
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