Front filter, and plasma display apparatus having the same

Gas discharge display device

Gas discharge lamp with built-in resistance to color center form

Heat mirror for incandescent lamp

High efficiency light source utilizing co-generating sources

High pressure mercury vapor discharge lamp

High pressure sodium vapor discharge lamp

High temperature lamps having UV absorbing quartz envelope

Illuminating device, display device and optical film

Illuminating devices employing titanium dioxide photocatalysts

Illumination system for an image projection device

Incandescent bug lamp with cadmium-free powder coating

Incandescent electric lamp with partial light transmitting coati

Incandescent lamp

Incandescent lamp having good color rendering properties at a hi

Incandescent lamp with bulb having IR reflecting film

Incandescent lamp with ellipsoidal envelope and infrared reflect

Incandescent lamp with extended filament lifetime

Incandescent lamp with infrared filter

Incandescent lamp with infrared reflecting-visible energy transm