For the past year, manufacturers have heralded OLED ultra-high definition (UHD) TVs as a harbinger of sea change in the home entertainment industry, affording thinner and even flexible panels with higher quality pictures than today’s LCD sets.

Then last week, China-based TCL, the third largest manufacturer of flat-screen TVs in the world, disclosed plans to ship a 55-in quantum dot LCD TV, which offers the same quality picture as OLED, but at a one-third the cost.

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