Gas-discharge lamp they create light from electricity considerably more efficiently than incandescent light bulbs. The father of the low-pressure gas discharge tube was German glassblower Heinrich Geissler, who beginning in 1857 constructed colorful artistic cold cathode tubes with different gases in them which glowed with many different colors, called Geissler tubes. It was found that inert gases like the noble gases neon, argon, krypton or xenon, as well as carbon dioxide worked well in tubes. This technology was commercialized by French engineer Georges Claude in 1910 and became neon lighting, used in neon signs. The introduction of the metal vapor lamp, including
Phase-out of incandescent light bulbs been initiated by the Ministry of Energy where three CFLs will be sold at a subsidized price to the public. Qatar has banned incandescent light bulbs. South Korea has phased out incandescent light bulbs under 150 watts since 2014. The government has prohibited manufacture and import of all incandescent lights. All incandescent bulbs are going to be replaced by LED and CFL light bulbs. Taiwan banned incandescent bulbs in 2012. Tajikistan reportedly banned incandescent light bulbs in 2009 to save energy, though this was criticised as alternatives were expensive at the time. The UAE has banned incandescent light bulbs. Uzbekistan