External light-shielding layer, filter for display device...

Far-infrared emitting cathode ray tube

Field emission display with reflection layer

Filament lamp for emission of yellow light

Filament lamp infrared source

Filament shields

Filament shields for par lamps

Film-provided molded piece, method for and apparatus for...

Filter and plasma display device thereof

Filter and plasma display device thereof

Filter attachment for parabolic reflector lamps

Filter for colored electric lamp

Filter for plasma display panel

Filter for plasma display panel

Filter substrate and color display using the same

Filter substrate and display device

Flash lamp with mirror

Flat display apparatus

Flat display apparatus with laminated optical filter

Flat display apparatus with laminated optical filter