South Korean startup LetinAR is making waves in the tech industry with its innovative optical modules for AI glasses, setting the stage for a wearable technology revolution.
Big Tech Eyes AI Glasses
Major players like Meta, Google, Apple, and Samsung are investing heavily in AI glasses, with Samsung's collaboration with Gentle Monster set for a reveal at London's July Unpacked event. China's Huawei, Alibaba, and Xiaomi are also entering the fray.
- Meta's Ray-Ban glasses
- Google's Android XR
- Apple's anticipated entry
- Samsung's upcoming launch
Omdia reports a surge in AI glasses shipments to 8.7 million units in 2025, projecting over 15 million this year.
LetinAR's Optical Innovation
LetinAR, backed by LG Electronics, secured $18.5 million from Korea Development Bank and Lotte Ventures, planning a 2027 IPO. Founded in 2016 by CEO Jaehyeok Kim and CTO Jeonghun Ha, the company focuses on making AI glasses wearable through its optical module, PinTILT technology.
PinTILT offers a solution to the key engineering challenge in AI glasses: creating a lens that is light, thin, efficient, and delivers clear images. LetinAR's technology directs light precisely into the user's eye, contrasting conventional waveguide and birdbath approaches.
Market Expansion and Partnerships
LetinAR's modules are already used by Japan's NTT QONOQ Devices and Dynabook. The startup is collaborating with prominent tech firms on AI glasses R&D, though specific names remain undisclosed.
The technology is also integrated into Aegis Rider's AI-powered AR helmet, enhancing motorcycle safety by projecting crucial information directly onto the road.
Future Prospects for AI Glasses
The latest funding round boosts LetinAR's total to $41.7 million, supporting scale-up efforts as AI glasses transition from niche to mainstream. Kim emphasizes the potential of AI glasses as a platform to integrate AI into daily life.
While LetinAR leads the charge, competitors like WaveOptics, DigiLens, and Lumus continue to innovate in the rapidly evolving smart optics field.
Source: https://techcrunch.com/2026/05/18/south-koreas-letinar-is-building-the-optics-behind-ai-glasses/




