All the above descriptors of lcd qled and oled are bang on the money.
The qled is a brilliant sales name from the Samsung stable but in essence it's still an lcd backlit set.
Nothing wrong with that.The high end lcd's are incredible and improving by the year.
QLED is quantum dot techology and is totally different than the modus operandi of oled's.
They utilise nanoparticles that enhance the colour gamut.
The higher end LCD sets incorperate FALD which is full array local dimming acheving higher contrast ratios than edge lits sets can.
Fact of the matter is that the oled (organic light emitting diods) do not use any backlights but fire indipendantly of each other creating their own light source.This is why the oleds can be wafer thin.I will add that unlike an lcd no matter what viewing angle you look at the set from the picture remains exactly the same and pin sharp with no degridation.
Tecnology has raced ahead so fast it's hard to keep pace except to say the lcd has come of age distancing from the older ccfl's like my Sony which incidently is still going strong after 12 years but weighs a ton and is not exactly thin.
OLED and LCD have much to offer and it's a case of horses for courses in what you all plumb for.
There are plus minuses and interestings to evalnuate for both so do your research and decide what it is you actually want from the set.
Here is a brilliantly absobing read with loads of info to glean helping you the consumer make that all important'e choice
https://gizmodo.com/which-is-a-better-tv-screen-lcd-or-oled-1732313764
Just to piss on the chips further Hisense are now useing their own buzzword terminology called Uled(ultra light emiting diode ..haha.
So to recap before you all have a brain freeze it's all about Oled Uled Qled
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If anyone has an OLED I feel sure they will praise it's picture quality.
I can definatly see the difference between it's hd source and a 4k ultra hd feed.It's incredible truly it is.
I watched a free film off the Amazonion Prime people about Dolphins and if any ones seen it then they will understand what I am saying.
It is the most mind blowing thing I have ever witnessed.I actually shook with emotion.
To conclude the future is looking absolutely amazing and I for one have no penchant to play in the snow or sledge down a hill on my arse with all this loveliness going on inside.Adios.