Scratch-resistant light directing films
Side emitting LED and lens
Solid-state image pickup element and method of producing the...
Spread illuminating apparatus with cover provided over...
Stacked backlighting system using microprisms
Stepped light guide
Striated light diffuser and method of forming the same
Surface illuminator using point light source
Surface light source and light guide used therefor
Surface light source device and display device
Surface light source having light guide plate with polygonal...