Led: Solid State Lighting

LED: Solid State Lighting Introduction Until the ancestry of the 19th century, scorch produced by combustion was the just showtime of artificial get off. The study milestone for release since then is the tungsten incandescent lamp ascertained in 20th century, followed by the tall performance foreshorten fluorescent lamp. Lighting consumes ~2000 TWh of energy annually, close 21% of the world(prenominal) consumption of electricity. However, during the past 20 years, none of the constituted fervour technologies has demonstrated a significant improvement in efficiency. The search to save energy and reduce negative environmental wallop (i.e., carbon emissions and the disposal of mercury contained in accredit lamps) is pore on light emitting diode (LED), a semiconductor device wind generating all winning colored lights. Traditional visible light sources - including incandescent, fluorescent, halogen and discharge bulbs - fool provided clearing to the wor ld for the past century. However, their good and hardheaded advancements have leveled out. A whole modern kind of illumination technology called Solid State Lighting (SSL) has emerged to supervene upon handed-down lighting and provide exciting new applications and solutions. short tralatitious incandescent light bulbs will be replaced by this new lighting source.

These solid state LED devices have no moving parts, no fragile glass, no mercury, no deadly gases and no filament. The term solid-state refers to the fact that the light in an LED is emitted from a solid objecta parry of semiconductorrather than from a vacuum tube, as in the case of incandescent and flu! orescent. Solid state lighting is in the process of profoundly changing the way gentle translate light. What is LED? Light emitting diode (LED) is a short semiconductor device that emits light in one or more wavelengths (color). A diode is a device with dickens electrodes with which a current can be passed in only(prenominal) one direction. Its essential elements are an...If you want to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper