3D TVs: the trend that died very, very quietly.

Between roughly 2010 and 2016, every premium TV shipped with 3D. Every retailer pushed it. Every cinema chain ran the trailer that promised you'd 'experience it at home soon'. By 2017 it was over — Samsung dropped it, LG dropped it, Sony dropped it, Vizio dropped it. There was no funeral. There was barely an obituary.

What was actually shipped

• 01Active-shutter 3D — TVs with synced glasses that flickered each eye in turn. £80-200 per pair of glasses.
• 02Passive 3D — polarised lenses, like cinema glasses. Cheaper, half the vertical resolution per eye.
• 03Glasses-free 3D — a few TVs tried it. Sweet spot the size of a coffee cup. Headache-inducing.
• 043D Blu-ray, 3D channels on Sky and BBC, 3D video games on PS3 and Xbox 360.

Why everyone wanted to want it

• 01Avatar (2009) made $2.9bn at the box office and re-energised cinema 3D.
• 02TV manufacturers were looking for a 'reason to upgrade' between HD and 4K. 3D filled that gap.
• 03The CES booths from 2010-2012 were essentially three years of glasses being handed out.
• 04Retailers had a clear premium they could justify above the standard set.

Why it didn't work

• 01You had to wear glasses. In your own living room. Nobody wanted that.
• 02Most content didn't exist. After the initial Avatar wave, the 3D library stayed small.
• 03Sport in 3D — the killer app on paper — had no real audience.
• 04The 3D effect at home was nowhere near as immersive as in a cinema, because the screen was smaller.
• 05Eye strain. Real, measurable, repeat-customer-killing eye strain.

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There's a generation of designers who learned 'don't make the user wear glasses to use a screen' from the corpse of 3D TV. The Apple Vision Pro and Meta Quest 3 are now arguing the same case from the opposite side.

What replaced the energy

• 014K, then HDR, then OLED, then 8K (briefly), then high refresh rates.
• 02The next 'must-have premium feature' was always coming.
• 03Modern VR headsets are the technical descendant — proper stereoscopic 3D, on a display per eye. The use case is just very different.

What it taught the industry

• 01A feature that requires the user to change their behaviour at home almost always fails.
• 02If your content library is empty at launch, the platform is dead.
• 03Cinema and the living room are different rooms with different rules.
• 04Sometimes a trend wins every CES award for three years running and then quietly evaporates.

There's a generation of designers who learned 'don't make the user wear glasses to use a screen' from the corpse of 3D TV. The Apple Vision Pro and Meta Quest 3 are now arguing the same case from the opposite side. The lesson holds either way — your product needs to be worth the friction it asks for. 3D TV almost never was.