Light bulb Timeline
Atualizado 2 out 2018
IED project
Autores
Created bySara
Attachments
Eventos
Francis Huksbee used static energy to produce glow in vacuumed glass globeNew
Humphry Davy invented an electric lampWarren de la Rue enclosed a coiled platinum filament in a vacuum tube and passed an electric current through itJoseph Wilson Swan created a light bulb by enclosing carbonized paper filaments in an evacuated glass bulbThomas Edison added a thin filament with high electrical resistance to make light bulbs last 150 hoursEdison used carbonized bamboo filament to make light bulbs last 600 hoursTungston filament could be mass produced, which made light bulbs last way longerNick Holoynak made a red LED with semiconductorsEd Hammer made CFLs with mercury vapor, argon, and a flurescent coating called phosphorPhillips and Stack lighting companies are making lights that can be controlled via apps.Swan patented incandescent light bulbThomas Edison tried to patent his light bulb innovationSwan tried to sue Edison for patent infringement. British government ruled against Edison
Comments