Solid State Lighting Device Converts Only 10% of the energy into Infrared Radiation(IR), whereas 90% is converted into visible light.

 

Solid State Lighting

Solid State Lighting (SSL) is a kind of lighting that replaces electrical filaments, plasma (used in arc lamps such as fluorescent lamps), or gas with semiconductor light-emitting diodes (LEDs), organic light-emitting diodes (OLEDs), or polymer light-emitting diodes (PLEDs). The worldwide solid state lighting industry is predicted to grow considerably over the forecast period. The desire for ecologically friendly and energy-saving lighting solutions is driving growth in the worldwide solid state lighting.

According to Coherent Market Insights, The global Solid State Lighting Market was valued at US$ 39.9 Bn in 2020 and is expected to reach US$ 98.5 Bn by 2028 at a CAGR of 12.4% between 2021 and 2028.  The lighting industry's technical innovations aim to give higher illumination output while using less energy. The usage of solid state lighting in applications such as automotive, medical, and outdoor lighting, as well as rising smart city technologies, are among the primary drivers driving the growth of the solid state lighting worlwide.

Solid state lighting is used in a variety of applications because to its numerous advantages, including long life, improved light output quality, inherent safety, small size, and high durability. As a consequence, these factors are expected to boost the worldwide solid state lighting hroughout the forecast period. For example, Acuity Brands, a commercial and industrial lighting manufacturer, had its net sales peak in the fiscal year of 2018. Acuity Brands produced net sales of roughly US$ 3.3 billion in the fiscal year 2020.

In Simple Words, Solid-state lighting (SSL) is a lighting system that uses light-emitting diodes (LEDs) to replace incandescent and fluorescent bulbs for general illumination. Electroluminescence, a phenomenon in which an electric current travelling through a carefully constructed semiconductor diode causes the semiconductor material to glow, is used in an SSL device to generate visible light.

LEDs were first utilised as indication lamps in electronic equipment like radio transmitters and residential appliances like clock radios and television sets. SSL lamps were later used in traffic lights, electronic billboards, and car headlamps when brighter LEDs became available. Today, we see them in flashlights, searchlights, cameras, interior and outdoor illumination, and a variety of other places. SSL lights have a significant advantage over incandescent and fluorescent bulbs in terms of energy conversion efficiency. A standard incandescent bulb for residential use, for example, transforms roughly 10% of the provided electrical energy into visible light; the remainder is infrared (IR) radiation ("heat"), which is invisible.

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