OLED tv

[sgwrx]

i was looking at one of the new oled tv's from LG on display at one of the local big-box stores.  it occurred to me, is it really necessary to have such deep dark black levels for a good picture?  or more to the point, do you really want that? or am i just too used to 90 years of poor quality tv broadcast and movies?

it could make the displayable color range broader and contrast between FULL ON BRIGHT etc..., but it always seems to that real life has no blacks that dark.  you'd want to see detail in the shadows no?

the store demo mode in generally looked way over saturated and they "were not able" to show other content on the unit.

thanks,

[BernardLanguillier]

i was looking at one of the new oled tv's from LG on display at one of the local big-box stores.  it occurred to me, is it really necessary to have such deep dark black levels for a good picture?  or more to the point, do you really want that? or am i just too used to 90 years of poor quality tv broadcast and movies?

it could make the displayable color range broader and contrast between FULL ON BRIGHT etc..., but it always seems to that real life has no blacks that dark.  you'd want to see detail in the shadows no?

I have seen those LG OLEDs too and share your feelings, they are painful to look at.

The problem isn't the black levels, it is the way their rendering engine is managing dark tones. Darker darkest blacks are always preferable but the tones just short of black clipping must contain enough separation.

It seems that the recently released 65 inch Panasonic using the same OLED panel is head and shoulder above the LG.

Cheers,
Bernard

[sgwrx]

I have seen those LG OLEDs too and share your feelings, they are painful to look at.

The problem isn't the black levels, it is the way their rendering engine is managing dark tones. Darker darkest blacks are always preferable but the tones just short of black clipping must contain enough separation.

It seems that the recently released 65 inch Panasonic using the same OLED panel is head and shoulder above the LG.

Cheers,
Bernard

im not crazy then

the lg was actually amazing in one scene in their demo... it was a night scene with car headlights whixh were small.   i think my pupils adjusted.

cant wait to see the panasonic.  ive been happy with my pioneer plasma for 10 years or so. 

the only major problem for any of these tvs is cable broadcasts... any action or color gradients and i get blocks.

Sent from my XT1080 using Tapatalk

[BernardLanguillier]

A recent review of the Pana:

http://www.whathifi.com/panasonic/tx-65cz952b/review

I am currently using a Pana plasma 46 screen based on the Pioneer Kuro technology they acquired and love it also!

Cheers,
Bernard

[mbaginy]

About two years ago I saw a demo Panasonic TV with OLED Screen.  Source was a bluray.  Absolutely stunning!  Can't recall the size, probably 43" or larger.

One thing to remember is, that the source needs to be high quality to view such fine IQ.  If anyone still uses VHS videos or or regular (non HD) TV reception, the larger screens won't be impressive at all.  I'm unsure about OLED degradation and how quick that will occur.  I'll stick with my 43" Panasonic plasma for a while longer.  A shame that Pioneer no longer produce their large plasma screens - I found them the best.

[BernardLanguillier]

About two years ago I saw a demo Panasonic TV with OLED Screen.  Source was a bluray.  Absolutely stunning!  Can't recall the size, probably 43" or larger.

The first 4K bluray players will be available for sales in Japan from Panasonic in 2 weeks. It will be a high end model with a high price tag (around 350,000 Yen) of course, but things are starting to fall place 3-4 years after the availability of the first 4K TVs. There will be few discs to purchase initially though.

Cheers,
Bernard

[hjulenissen]

i was looking at one of the new oled tv's from LG on display at one of the local big-box stores.  it occurred to me, is it really necessary to have such deep dark black levels for a good picture?  or more to the point, do you really want that? or am i just too used to 90 years of poor quality tv broadcast and movies? Perhaps you were watching in a brightly lit room where the ambient lighting "drowned" the nuances of "dark" vs "black" tones on display?

it could make the displayable color range broader and contrast between FULL ON BRIGHT etc..., but it always seems to that real life has no blacks that dark.  you'd want to see detail in the shadows no?

the store demo mode in generally looked way over saturated and they "were not able" to show other content on the unit.

thanks,

Sounds to me that the tvs in question (and/or the content you looked at) had an effective gamma that crushed blacks (perhaps in order to give the illusion of better black levels? Or due to segmented backlighting? Or due to limits in the lossy coding?) Perhaps you were watching in a brightly lit room where ambient light "drowned" the darker tones of the display?

UHD will bring with it "HDR". HDR (in this context) means that we will finally have a means of signaling from content producer to the home that some pixels will be really bright (i.e. the sun). Instead of clipping highlights or tonemapping, we'll get a larger continous dynamic range (if and to what degree this will actually be used by content producers and bitrate-starved distributors and competitive tv manufacturers is another question). To be able to do transitions within the range, more than 8 bits will be available.

Incidentally, this system is not supposed to give brighter overall pictures. That would mean increasing the power consumption, something that the EU and others are not to keen on. The average brightness will somehow be limited (perhaps by max total power draw/heat produced in OLED tvs). But the content should be able to work within those limits to do more realistic specular highlights while doing deeper shadows, all with smooth tonality. I can't wait for this to happen.

-h

[Rob C]

Trouble is, if you actually watch television with these expensive sets, you might as well have just kept an old set from Trintron days. The programmes are all generally shit, unless they come out of BBC Bristol. You just get more detailed shit for your money. If that's your bag... enjoy.

Rob C

[Telecaster]

I'd bet the TV in question was set up to produce the most wowee-zowee picture it's capable of. And deeper blacks are an OLED marketing point. But you can back off on the contrast, color, etc. to get a better idea of the TV's quality.

-Dave-

[sgwrx]

you bet it was setup to be woozee!  it was a demo that's built in to the tv from the factory!

so the "sun" comment - that was exactly what the scene of the car headlights were like!  they were super bright point sources and everything around them was pitch black.

anyway, the good news is that we'll make a leap forward in picture quality hopefully better than plasma. cable companies just have to do a better job of broadcasting.  i see it again tonight on my plasma, the blockiness and crazy picture when there's any type of action.  compression sucks