Optical unit and image display apparatus
Optical writing device and image forming apparatus and...
Optically anisotropic micro lens window
Optically anisotropic micro lens window for special image...
Optically transparent electromagnetic interference (EMI)...
Out-of-plane pre-aligned refractive micro lens
Packaging system providing spatial or focusing gaps between...
Patterned roller for the micro-replication of complex lenses
Permeable screen and its manufacturing method
Photoelectric encoder
Picture display device
Picture display device with two microlens arrays
Planar microlens array and method of making same
Planar microlens array and method of manufacturing same
Planar microlens array and method of manufacturing same
Planar microlens array having high converging efficiency
Plane lens sheet using light transmission rate difference
Plane lens sheet using light transmission rate difference
Plane light source unit
Plane light source unit