What is the TFT LCD display ghosting effect, how to avoid LCD ghosting, IPS ghosting effect

What is the TFT LCD display ghosting effect, how to avoid LCD ghosting, IPS ghosting effect

In this video we cover a phenomenon that could exists on the most important LCD displays – TFT (Thin Film Transistor) full color LCD displays - LCD display ghosting effect.

Please refer to Riverdi blog article:
https://riverdi.com/blog/lcd-tft-disp...

'...Now that we know how the TFT LCD display works, we can now learn some practical things one of which is LCD TFT ghosting effect. We know how the image is created, but what happens when we have the image on the screen for a prolonged time, and how to prevent it. In LCD displays we have something called LCD ghosting or IPS ghosting effect. We do not see it very often, but in some displays this phenomenon still exists.

If some elements of the picture i.e., your company logo is in the same place of the screen for a long period of time, for couple of weeks, months or a year, the crystals will memorize the state and later, when we change the image, we may see some ghosting of those elements. It really depends on many conditions like temperature and even the screen image that we display on the screen for longer periods of time. When you build your application, you can use some techniques to avoid it, like very rapid contrast change and of course to avoid the positioning the same image in the same position for a longer time...'

What is the TFT LCD display ghosting effect, how to avoid LCD ghosting, IPS ghosting effect

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What is the TFT LCD display ghosting effect, how to avoid LCD ghosting, IPS ghosting effect