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The company was founded in 1840 when its founder, 22-year-old Robert Edwin Dietz, purchased a lamp and oil business in Brooklyn, New York. Though famous for well-built indoor and outdoor kerosene lanterns, it was a major player in the automotive lighting industry from the 1920s into the 1960s.
One of the LED streetlights in Bellingham, Washington, which is individually controlled via a smart network (2016) In recent years, efforts to make street lighting more energy efficient have focused on using light-emitting diodes (LEDs) to replace high-pressure mercury (HPM), metal halide (MH), and high-pressure sodium (HPS) luminaires.
[48] [49] In the United States, the city of Ann Arbor, Michigan was the first metropolitan area to fully implement LED street lighting in 2006. Since then, sodium-vapor lamps were slowly being replaced by LED lamps. [50] Photovoltaic-powered LED luminaires are gaining wider acceptance. Preliminary field tests show that some LED luminaires are ...
LED instruments are an alternative to traditional stage lighting instruments which use halogen lamp or high-intensity discharge lamps. Like other LED instruments, they have high light output with lower power consumption. Most LED fixtures use three or more colors (usually red, green, and blue) which can be mixed to hypothetically create any color.
1927 Oleg Losev creates the first LED (light-emitting diode). 1953 Elmer Fridrich invents the halogen lamp. [15] 1953 André Bernanose and several colleagues observe electroluminescence in organic materials. [16] [17] 1960 Theodore H. Maiman creates the first laser.
In the 1980s, after watching a salvage operation, Bob Rosenzweig started the reproduction and selling of his faux-antique bulbs. [9] These vintage-style light bulb reproductions were sold mostly to collectors and prop houses, and continued until the turn of the 21st century when new regulations banned low-efficiency lighting in many countries.