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<\/a><\/p>\nSunlight varies throughout the year and, with its daily changes, plays a key role in regulating the cycle \u00a0of life. The intensity of sunlight can reach up to 100,000 lux, while a significant reduction to as low as 0.2 lux has been measured under moonlight.<\/p>\n
We use our eyes to navigate and understand the world around us. More than 80% of the information we receive from our environment is through vision. Our eyes are the most important sensory organs; yet without light, vision is impossible. Light is the medium that enables visual perception.<\/p>\n
Light is a fundamental determinant of quality of life.<\/h2>\n
Darkness or insufficient lighting hinders optimal vision.This condition can create a sense of insecurity and disturb our sense of calm. Only proper lighting can establish a feeling of safety within a space.Light not only enables us to see, but also influences our mood, relaxation, and mental well-being. Since the late 20th century, it has become evident that natural daylight and its variations throughout the day and year affect hormone levels and regulate the body\u2019s circadian rhythm. Therefore, appropriate lighting design plays a crucial role in promoting health and enhancing quality of life.<\/p>\n
In the beginning, there was only fire…<\/h2>\n
For centuries, the sun was humanity\u2019s only source of light. Around 300,000 years ago, early humans began using fire to produce light and heat. The bright flames allowed them to inhabit caves where sunlight could not reach. For example, the cave paintings of Altamira, created approximately 15,000 years ago, would have been impossible without the aid of artificial light.
\nThe light produced by campfires, torches, oil lamps, and wick lamps was a fundamental innovation in the daily life of prehistoric humans
\nHowever, the use of light was not limited to enclosed spaces. The Lighthouse of Alexandria was constructed around 260 BCE and there is evidence of street lighting in the city of Antioch dating back to 378 BCE<\/p>\n
During that same era, people began designing functional and aesthetically pleasing holders for their light sources. However, for several millennia, there was little significant advancement in liquid-fuel lamps\u2014until 1783, when Aim\u00e9 Argand invented a lamp featuring a central burner Increasing the efficiency of lamps in light production and improving fixture performance has always been a key objective in the lighting industry. Following incandescent lamps, halogen lamps and gas discharge lamps were introduced.Until the late 1980s, the primary focus was on the development of efficient fluorescent lamps and electronic ballasts. However, with the introduction of the first LEDs in the mid-1990s, a revolution in the lighting industry took place. <\/p>\n![\"\"](\"https:\/\/altonray.com\/wp-content\/uploads\/2025\/04\/\u0646\u06cc\u0627\u0632-\u0645\u0627-\u0628\u0647-\u0646\u0648\u0631-2-.webp\" "\\"\\"")
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\nIn the same year, Minckelers developed a method for producing coal gas, which was used to power gas lanterns. At the same time experiments with arc lamps had also begun; however, these methods had no practical value until 1866, when Werner von Siemens made the economical generation of electricity possible through the use of a dynamo.The true beginning of the electric light era dates back to 1879, when Thomas Edison revolutionized lighting by reinventing and practically developing the incandescent lamp. It is worth noting, however, that as early as 1854, German watchmaker Johann Heinrich G\u00f6bel had already built a working prototype of such a lamp<\/p>\nLamps, LEDs, and Lighting Control<\/h2>\n
\nLEDs are highly efficient, durable, connectable, and precisely controllable
\nAccording to the ZVEI report in 2015, approximately half of outdoor lighting and over 30% of indoor lighting utilize LED modules. As a result, lighting is becoming increasingly dynamic.
\nThe lighting industry\u2019s transition to LED-based technologies and the development of intelligent lighting control systems not only provide an energy-efficient solution but also open the door to innovative applications. These advancements enable lighting systems to better adapt to the functional, emotional, and biological needs of humans.
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