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LG Introduces Rollable OLED TV (arstechnica.com)
One of the 2019 TV models LG outlined at its CES press conference today was the LG Signature OLED TV R (65R9), which has a display that can roll up and disappear into its base when you're not using it. "LG calls the TV 'a revolutionary innovation that helps address the very human need for an aesthetically pleasing environment' and says it is 'redefining space' to offer unprecedented levels of 'immersion' and 'a new level of space integration,'" reports Ars Technica. From the report: LG says to expect picture quality on par with its just-announced 2019 4K OLED lineup. That means 120Hz and AI image processing using LG's new Alpha 9 Gen 2 CPU. The TV's base -- the same one it rolls into -- houses a 4.2-channel, 100-watt soundbar with Dolby Atmos support. Additionally, the TV doesn't have to scroll all the way in. As seen in one of the images at the start of this article, it can fold down to what LG calls "Line View." This has five modes: music, clock, frame, mood, and home dashboard. Music offers an interface for playing music from the base. Clock shows the time, date, and weather. Frame displays a scrolling line of photos streamed from your smartphone, which is the mode in the photo above. The mood mode is for aesthetics, and home dashboard will allow access to some of LG's usual TV software features. No price has been announced yet, but TechCrunch reports that it could cost more than the 8K TV LG announced last week, which will compete directly with Samsung's $15,000 8K offering. LG says the Signature OLED TV R will be available for purchase in the second half of the year.
If it can be rolled without breaking for 1000 times, it will last only little more than two years, maybe three when you can limit it to one view per day. I want to use devices for at least 10 years.
They literally consume the pixel material to emit light. Not very fast, but a lifetime more similar to a CRT than to a TFT, which other than some extra stuck pixels may last you for decades with no further degradation. (I have one TFT in semi-active operation that is almost 20 years old now! CRTs too, but they were not used 24/7 for most of their life, unlike the TFT.)
Really the only problems TFTs seem to have is getting cracked when they don't have a protective plexiglass or polycarbonate sheet over their face, and having their ribbon connectors fail on portables due to constant opening and closing. Outside of those, they last effectively forever with minimal maintenance (like replacing worn out cables/capacitors if you use them too frequently or in harsh environments.) In a well kept house with low humidity and normal operating temperatures they will last effectively forever with minimal maintenance, especially if you have the soldering skills to maintain the minor problems that do happen with them.