LetinAR Develops Advanced Optical Modules for Wearable AI Glasses
📰 Original title: South Korea’s LetinAR is building optics behind AI glasses
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LetinAR Develops Advanced Optical Modules for Wearable AI Glasses
South Korean startup LetinAR is pioneering the development of optical modules for AI-enabled smart glasses, a key component that determines usability, image clarity, and power efficiency. Founded in 2016 by longtime friends Jaehyeok Kim and Jeonghun Ha, LetinAR has spent the last decade perfecting its proprietary technology called PinTILT. Unlike traditional waveguide or birdbath lenses, PinTILT directs light precisely into the user's eyes, producing brighter images in thinner, lighter, and more energy-efficient lenses. This innovation addresses the major challenges in the wearable AI glasses industry, where every gram and battery hour counts. LetinAR has already secured $18.5 million in funding from Korea Development Bank and Lotte Ventures, with total funding reaching $41.7 million, and plans a 2027 IPO in South Korea. Its optical modules are currently used by companies like Japan's NTT QONOQ Devices and Dynabook, as well as in a Swiss AI-powered AR motorcycle helmet from Aegis Rider, set to launch in European markets in 2026. As global AI glasses shipments continue to surge—8.7 million units in 2025, projected to exceed 15 million this year—LetinAR positions itself as a critical supplier enabling wearable, practical, and high-performance AI glasses.




