TCL Shows Off 132-Inch Micro LED 4K UHDTV: 24,000,000 Micro LEDs
by Anton Shilov on September 13, 2019 2:00 PM EST
Direct view Micro LED displays are a relatively new display technology that so far has been publicly demonstrated only by Samsung and Sony, the two of which tend to experiment with variety of technologies in general. At IFA last week TCL, a major maker of televisions, threw its hat into the ring by demonstrating its ultra-large Micro LED-based Ultra-HD TV.
Dubbed the Cinema Wall 132-Inch 4K, TCL’s Micro LED television uses 24,000,000 individually controlled LEDs as RGB subpixels, and features a 1,500 nits max brightness level as well as a 2,500,000 contrast ratio (good enough to compete against OLEDs). The manufacturer claims that the TV can display a wide color gamut, but does not disclose whether they're using DCI-P3 or BT.2020.
Like other early-generation display products, TCL is not revealing if and when plans to release its 132-inch 4K Micro LED TV commercially, but the fact that that it has a device that is good enough to be shown in public (see the video by Quantum OLED channel here) is an important step. Just like other makers of Micro LED televisions, TCL might want to increase peak brightness supported by these devices, as many modern titles are post-produced using Dolby’s Pulsar reference monitor for Dolby Vision HDR, which has a peak brightness level of 4000 nits.
Numerous TV makers are currently investigating Micro LED technology as a viable alternative to OLED-based screens. While OLEDs tend to offer superior contrast ratio when compared to LCDs, they have a number of trade-offs, including off-axis color shifting, ghosting, burn-in, etc. WOLED has mitigated some of these issues, but it has also introduced others due to the inherient limitations of using color filters.
By contrast Micro LED TVs are expected to be free of such drawbacks, while still retaining the advantages of individual LEDs like brightness, contrast, fast response time, and wide viewing angles. As an added bonus, Micro LED TVs will not need any bezels and can be made very thin.
Related Reading:
- Sony Develops 16K Display: A 783-Inch ‘Crystal LED’ Screen
- Samsung at CES 2019: 219-Inch and 75-Inch Micro LED Ultra-HD TVs Demonstrated
Sources: Quantum OLED, MicroLED.info, LEDs Inside
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Jedi2155 - Monday, September 23, 2019 - link
I realized this recently. Had LASIK and kept complaining about how blurry things were after the operation and how I could read much more clearly with my old glasses prior. Turns out, I had 20/20 with LASIK, but something like 20/15 with my glasses.nikaldro - Saturday, September 14, 2019 - link
Lol? A 132" 4K screen has the same pixel density as a 66" 1080p one, and a 33" 720p onenikaldro - Saturday, September 14, 2019 - link
*44" 720peek2121 - Saturday, September 14, 2019 - link
False, and you don't have 20/20 vision obviously. My vision is far worse and I can tell the difference with much smaller TVs. Right now I'm 4ft from a 27" 4k and I can tell when content isn't 4k.Bazzie - Sunday, September 15, 2019 - link
Just because something is broadcast in 4K doesn't mean it's 4K resolution. Same goes for 1080P. I've seen 720P content that was significantly sharper than supposed 1080P. I even briefly (I returned it) had a thousand dollar 4K camcorder which barely had 1080P resolution when recording a B&W resolution chart. And yes.....I do have 20-20 vision and when I see true 4K content on my 65" OLED I can't believe the clarity.r4tch3t - Saturday, September 14, 2019 - link
Wow, And here I am planning a project using 1mm square RGB LEDs. Granted they wont be nearly as bright or as colour accurate, and I'm only using a few of them.https://nz.rs-online.com/web/p/leds/1847279/
ZolaIII - Saturday, September 14, 2019 - link
It's a teach preview... From 3 meters distance you wouldn't notice resolution (300 PPI @ 30 cm = 30 PPI @ 300 cm). Sit closer & you won't be able to have it in view point.aenews - Saturday, September 14, 2019 - link
It's funny because in home theatre forums, pretty much everyone does not see much benefit in 4K (2160P) over 2K (1080P) despite the difference being fairly pronounced with the much larger screen size. At the least, many are fine with the 0.67" DLP Projectors that have a 1528P native resolution with pixel shifting to double the pixel count to 8.3MP.I'd gladly take this microLED TV since it would easily best any projector. I always want higher resolution, so I'd definitely prefer having 8K. However, this is already a quite great technical achievement.
Zoolook - Sunday, September 15, 2019 - link
You can't really compare reflected vs projected light.Bazzie - Saturday, September 14, 2019 - link
Based on common resolution charts and my own personal experience I would suggest that the actual ideal visual acuity seating distance should be about 8-1/2 feet for a 132" 4K screen (assuming true 3840 x 2160 resolution). This is based on a person with normal 20-20 vision, which I happen to have.