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 government departments, public sector undertakings, various boards, cooperative institutions, local bodies, and institutions running on government aid. Japan will phase out incandescent light bulbs and fluorescents by 2020. Kazakhstan banned all bulbs over 25W on 1 January 2014. As of 1 August 2017, Kuwait has banned the import of incandescent light bulbs, including halogen bulbs. It was reported in 2012 that Malaysia would ban incandescent bulbs by 2014. North Korea reportedly made LED bulbs mandatory in 2014 in order to alleviate its energy crisis. In February 2008, president Gloria Macapagal Arroyo called for a ban of incandescent light bulbs by