US Patent 11442213 Film-based lightguide with extended coupling lightguide region

Patent

Azumo

Azumo

US Patent 10254472 Film-based light fixture for illumination beneath a ceiling tile

US Patent 10393941 Display with reflective spatial light modulator and a film-based lightguide frontlight folded behind the modulator to receive light from a light source positioned on an electrical display connector

US Patent 10429577 Light emitting device with a high luminous flux density in a film-based lightguide

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US Patent 10175413 Light emitting device comprising a film-based lightguide and reduced cladding layer at the input surface

United States Patent and Trademark Office

Keith G. Delahoussaye