Reflector lamp having reduced seal temperature

Compact fluorescent lamp

Method for producing a frosted envelope for a high-pressure discharge lamp

Optical control of light in ceramic arctubes

Method for coating the quartz burner of an HID lamp

Gas-discharge lamp with a colour-compensating filter

Multi-use planar photoluminescent lamp and method of making such lamp

Pulsed high-power flash lamps made of compound quartz glass tubes and process for manufacture thereof

Optimized ultraviolet reflecting multi-layer coating for energy efficient lamps

Method of providing a UV-reflecting layer

Low-pressure mercury vapor discharge lamp

Mercury-free-high-pressure gas discharge lamp

Photoluminescent sleeve for electric lamps for producing a non-electrical light emitting source

Compact self-ballasted fluorescent lamp, fluorescent lamp and helical glass tube

Optical coatings and methods

Direct type backlight unit having liftable frame structure

Dielectric barrier discharge lamp

Reflection layers formed from an aluminum oxide particle mixture

Fluorescent lamp tube having integrated electronic ballast

Light-transmitting substrate provided with a light-absorbing coating

Fluorescent lamp and lighting appliance using thereof

Plasma lamp with bulb and lamp chamber

Light source unit, method of manufacturing light source unit, and projector

Illumination unit

Modified high-brightness flat lamp structure

Electrodeless self-ballasted fluorescent lamp and electrodeless discharge lamp operating apparatus

Gaseous tritium light source

Lumen maintenance in fluorescent lamps

Plasma-shell