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Fluorescent lighting is more energy-efficient than incandescent lighting elements. However, the uneven spectrum of traditional fluorescent lamps may cause certain colors to appear different from when illuminated by incandescent light or daylight. The mercury vapor emission spectrum is dominated by a short-wave UV line at 254 nm (which provides ...
Color rendering index (CRI) is an attempt to measure the ability of a light source to reveal the colors of various objects faithfully in comparison to a black body radiator. Colors can be perceived using light from a source, relative to light from a reference source such as daylight or a blackbody of the same color temperature. By definition ...
Fluorescent lamps in various embodiments. Since their introduction as a commercial product in 1939, many different types of fluorescent lamp have been introduced. Systematic nomenclature identifies mass-market lamps as to overall shape, power rating, length, color, and other electrical and illuminating characteristics.
Fluorescent sea dye. Fluorescent dyes find a wide use in industry, going under the name of "neon colors", such as: Multi-ton scale usages in textile dyeing and optical brighteners in laundry detergents; Advanced cosmetic formulations; Safety equipment and clothing; Organic light-emitting diodes (OLEDs) Fine arts and design (posters and paintings)
Fluorescent green safety vest. Retroreflective stripes are optional for low-light conditions, but do not define the meaning of hi viz clothing.. High-visibility clothing, sometimes shortened to hi vis or hi viz, is any clothing worn that is highly luminescent in its natural matt property or a color that is easily discernible from any background.
Color CRTs require three different phosphors, emitting in red, green and blue, patterned on the screen. Three separate electron guns are used for color production (except for displays that use beam-index tube technology, which is rare). The red phosphor has always been a problem, being the dimmest of the three necessitating the brighter green ...
Similarly, chartreuse yellow is a yellow color mixed with a small amount of green, named after the drink yellow chartreuse. [ 3 ] During the 2000s, yellow-green, as well as other shades of bright green like lime green , became very popular when various tech companies used it in office decor and other products, and with the popularity and ...
Fluorescent paint is available in a wide range of colors and is used in theatrical lighting and effects, posters, and as entertainment for children. The fluorescent chemicals in fluorescent paint absorb the invisible UV radiation, then emit the energy as longer wavelength visible light of a particular color. Human eyes perceive this light as ...