WAVEGUIDE AND LIGHT PROJECTING SYSTEMA waveguide comprises a first surface and a second surface. At least one of the first surface or the second surface comprises a plurality of grating structures. The waveguide is configured to guide an…DRIVE·Sep 13·1 min readFollowG01B11/00SHENZHEN GUANGJIAN TECH CO LTD [CN]
WAVEGUIDEA waveguide comprises a first surface and a second surface. The first surface comprises a first plurality of grating structures. The waveguide is configured to guide an in-coupled light beam to underg…DRIVE·May 3·1 min readFollowG01C3/02SHENZHEN GUANGJIAN TECH CO LTD [CN]