Sidelight backlight module with assisting solar light source and liquid crystal display device

Waveguide for efficient light trapping and absorption

Lighting using natural light

Solar light concentration plate

Solar simulator

Electromagnetic radiation frequency optimizing device and method with ambient heat conversion device

COconcentration correcting apparatus and COconcentration correcting method

Compact optics for concentration, aggregation and illumination of light energy

Compact optics for concentration, aggregation and illumination of light energy

Solar energy concentrator

High density bioreactor system, devices, and methods

Light pipe having an improved structure of prisms

Integrated artificial and natural lighting system

Solar tunable filter assembly

Light guide plate, backlight unit, liquid crystal display and method of manufacturing the light guide plate

Light emissive display based on lightwave coupling