Light confining cavity with angular-spatial limitation of the es
Light distribution control method, light distribution...
Light distribution controlling apparatus, luminous flux...
Light guiding film
Light shelf assembly and methods of installing the same
Light shelves for daylighting
Light transmitting panels, and methods for adjusting the natural
Light transmitting panels, and methods for adjusting the natural
Method and apparatus attenuating direct sun light while...
Method and apparatus attenuating direct sun light while...
Method and apparatus for lighting
Method and apparatus for producing spectral displays
Mini-optical light shelf daylighting system
Mini-optical light shelf daylighting system
Mini-optical light shelf daylighting system
Passive solar collector
Self-adjusting solar light transmission apparatus
Skylight collimator with multiple stages
Skylight for day and night illumination
Solar lighting apparatus