Kamis, 17 Oktober 2013

How to get the best picture out of my 120hz LCD?

Q. I bought a 46in Samsung 120hz LCD(LED backlit) HDTV, so far at times it does seem better but there is still ghosting with the black and dark colors, the faster the picture, the more distorted and blurry it gets. Any help would be greatly appreciated. The model number is LN46C650L1F.

A. Sadly - motion blur is inherent in LCD panels with fast moving objects. The "120 hz refresh" cuts the problem in half compared to a standard 60 hz refresh model, but it is still there.

Some models have software 'enhancements' that try to smooth out the motion blur, but this sometimes causes other artifacts.

All new televisions should have their Brightness, contrast and color set to sane levels. (These are set at the factory to ultra-bright so the unit will be eye-catching if used as a demo on a bright display floor).

Get a Pixar movie and go to the disk setup menu. You will find test-patterns and instructions for properly setting the brightness, contrast and color.

This will probably reduce how noticeable the ghosting and blur are, but it will not solve it.


What is the difference between an LED LCD HDTV and an LCD HDTV?
Q. The reason I'm asking this, is because I'm going to buy one. But, I don't know the differences between them. Can you guys please tell me the advantages and disadvantages of each one? Also which type of these HDTVs lasts more time and which is more reliable? Last, which of these HDTVs do you guys recommend? Thanks, in advance.

A. The display technology in both types is the same - a Liquid Crystal Display panel. The difference is in the backlight. "Plain old" LCDs use a CCFL (Cold Cathode Fluorescent Light) backlight, while the LED models use LED (Light Emitting Diode) backlights.

LED backlighting typically looks nicer than CCFL backlighting, giving better color range, and in many cases offers a sharper picture.

At this point, I'd go for an LED backlit model if it was available.





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