Plasma lamp system and bulb therefor

摘要

In a plasma lamp system, a bulb (4) is filled with both metal halide and mercury as primary light-emitting materials, operating pressure of the metal halide is 0.1 SIMILAR 10 atm, and operating pressure of the mercury is 30 SIMILAR 150 atm, thereby improving a point source of light characteristic and a spectrum characteristic of light. Therefore, the plasma lamp system can be optimally applied to an optical system that requires a point source of light, and can maximize its lighting efficiency.