Lamp cooling system
Lamp unit and optical analyzer using the same
Lamp with integral heat sink
Light emission display arrangements
Light source device
Light source for projection type display device
Lighting apparatus with enhanced capability of removing heat
Liquid cooled display tube
Liquid cooling type cathode-ray tube for a projector
Liquid cooling type projection cathode ray tube
Liquid cooling type projection cathode ray tube
Liquid cooling type projection picture tube
Liquid-cooled projection television display tube with expansion
Liquid-cooled projection tube apparatus
Liquid-cooling type cathode-ray tube with light shielding member