Early Development


Release time:

2000-01-01

Developed low-pressure sodium lamps, which at that time showed excellent performance in terms of minimal light decay, high luminous efficiency, and exceptional "fog penetration." They quickly replaced high-pressure mercury lamps and became a type of lamp that saved electricity in the market.

Developed low-pressure sodium lamps, which at that time showed excellent performance in terms of minimal light decay, high luminous efficiency, and exceptional "fog penetration." They quickly replaced high-pressure mercury lamps and became a type of lamp that saved electricity in the market.