High-pressure discharge lamp having shielding means comprised of
High-pressure discharge lamp having UV radiation source for enha
High-pressure discharge lamp with sealed UV-enhancer
High-pressure discharge lamp with support structure for discharg
High-pressure discharge lamp, turning-on circuit device, and lig
High-pressure gas discharge lamp with electrodes having double l
High-pressure mercury-vapor discharge lamp having a light output
High-pressure metal vapor discharge lamp, and method of its manu
High-pressure sodium discharge lamp
High-pressure sodium discharge lamp having reduced lamp voltage
High-pressure sodium lamp with improved IR reflector
High-pressure sodium-vapor discharge lamp
Horizontal burning metal halide lamp