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LetinAR's $18.5M Bet: The Optics Stack Behind AI Glasses, Decompiled Behind the meter of every "AI glasses" demo you've watched on a keynote stage sits a tiny piece of glass doing a brutal amount of work.
Korea Development Bank and Lotte Ventures just wrote an $18.5 million check to a Seoul-based company that builds exactly that piece of glass.
LetinAR, backed previously by LG Electronics, now has $41.7 million in total funding and an IPO target of 2027. The actual story is the optics pipeline. LetinAR doesn't ship finished glasses.
It ships the module that turns a microdisplay's photons into something your retina can parse — the part everyone else has been quietly losing sleep over.
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