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TFT is just a method of turning pixels on and off, a grid more or less and as pointed out above can be used in LCDs, e-ink displays and other places.
IPS LCDs are typically superior, IPS has been around almost 25 years and any decent laptop has had IPS for ten years now.
E-ink displays are great for reading because of the contrast, low power consumption and so forth. But they have limitations. They are slow, so not great with video. Grey scale resolution is limited and they are problematical with colour. Colour e-ink has been around a while but the colors are muted and dull compared with the saturation and vibrancy found in backlit technologies.
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