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EEVblog #898 - LCD Contrast Experiments

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EEVblog:
What is the difference between LCD viewing angle and bias angle?
How does adjusting the LCD bias voltage effect the display?
What is LCD Ghosting?
Also a demonstration of Photoelastic Birefringence in polycarbonate plastic display covers.
Dave investigates the Liquid Crystal Display viewing angle problem in the EEVblog BM235 Multimeter.

imidis:
Awesome! Thanks for trying it.   :)

nidlaX:
Very nice Dave! For your customers, will it void their warranties if they choose to change the bias resistor?

I'm tempted to do this for my Greenlee DM-510A, but I'm almost certain the warranty will be void if I do.

GEuser:
Good one Dave , i dunno where you find the time .

You forgot though to turn on the backlight at the end to see what happens .

EEVblog:

--- Quote from: GEuser on July 08, 2016, 04:18:19 am ---You forgot though to turn on the backlight at the end to see what happens .

--- End quote ---

Yep, I forget a lot of things.

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