Lenticular optical system having parallel fresnel lenses
Lenticular screen with removable alignment tab
Lenticular sheet
Lenticular sheet and transmission type screen using the same
Lenticular sheet, rear-projection screen or TV using the same, a
Level-flattening circuit for WDM optical signals
Level-setting optical attenuator
Levelness adjusting device of an actuator unit for a rearview mi
Levitating support and positioning system
Lifetime improvement in microstructures with deformable...
Ligand exchange thermochromic, (LETC), systems
Light absorber and optical equipment
Light absorbing visor for video display terminals
Light actuated optical switching device
Light addressed liquid crystal light valve incorporating electri
Light adjuster and laminated glass
Light adjuster and laminated glass
Light adjusting sheet having a sinusoidal surface and a non-opti
Light admitting device
Light altering device