Ear defenders

Ear insert hearing aid

Ear-ring hearing aid

Earstem for eyeglasses

Easy cleaning optical connector system

Easy-to-clean optical connector

Eccentric core optical fiber

Echelon diffraction grating and optical waveguide element

Edge coating for laminated lenses

Edge effects treatment for crystals

Edge interference filter for optical communication...

Edge interference filter for optical communications...

Edge supporting system for a telescope mirror

Edge-illuminated liquid crystal display devices

Effective-area-balanced optical cable

Efficient arrangement for coupling light between light...

Efficient controlled current sink for led backlight panel

Efficient light engine systems, components and methods of...

Efficient light injector

Efficient non-linear optical polymers exhibiting high...