Guest Post: Why Fluorescent Lighting Isn't Dead
The future of energy-efficient lighting, many experts will tell you, is the solid-state LED (light-emitting diode). You have already begun to see these tiny, bead-like lights in special applications such as traffic signals, exit signs, automotive headlights, and lightweight flashlights. Maybe you have begun to see them in high-end ambient room lighting applications, such as energy-efficient desk lamps and kitchen underlights.
"The common view," says Francis Rubinstein , a scientist and energy-efficient lighting expert at Lawrence Berkeley National Laboratory's Environmental Energy Technologies Division, "is that LED lighting is replacing fluorescent lighting with the same inevitability that mammals replaced dinosaurs as the dominant large life forms on Earth."
The Challenge for Replacement Technologies
Paraphrasing from Nathan Lewis (of Caltech's Powering the Planet project), Rubinstein says: "We already have [light] coming out of everybody's [lighting fixtures]. This is not a new function we're seeking. It's a substitution. It's not like NASA sending a man to the moon. It's like finding a new way to send a man to the moon when Southwest Airlines is already flying there every hour handing out peanuts."
Ongoing research at national laboratories and in the lighting industry is focusing on improving the light output , lifetime, and durability of LEDs, as well as driving their costs down. Many lighting experts expect that LEDs will eventually be used widely in general lighting applications, replacing inefficient incandescent bulbs, as well as energy-efficient fluorescent lamps (both the linear and compact varieties). LEDs have the potential to be more energy-efficient than fluorescent lights.
But wait, says Rubinstein, who has been delivering a talk to lighting industry audiences titled "Why Fluorescent Lighting Isn't Dead." He believes that modern fluorescent lighting will continue to dominate the general lighting market and that solid-state LED lighting will coexist in the marketplace with fluorescent lighting for some time to come. Rubinstein sees a near-term future in which LED and fluorescent lighting coexist in hybrid systems that will be more adaptable to the lighting needs of a wide variety of residential, commercial, and industrial building types and space configurations.
Rubinstein has been studying lighting systems in buildings for some thirty years. He has participated in energy efficiency improvement projects at the White House, congressional office buildings, the San Francisco and Oakland federal buildings, public and private buildings, and military bases. In his current research, much of which takes place in real buildings such as federal offices and large commercial facilities, he's been studying lighting systems combined with advanced wireless control systems, personal and workstation controls, and daylighting to manage the lighting needs of work spaces energy efficiently.
Florescent Light Fixtures - News
The $30 million in extra money for removing the old fluorescent light fixtures would come from the DOE's technology budget, according to the city budget under discussion by the City Council. Some lawmakers and activists had faulted the city's 10-year
Because they hate fluorescents almost as much as they hate the government messing with their light fixtures. Fluorescent bulbs look like a mound of Dairy Queen soft-serve; they cast a harsh and unforgiving light; and they cost at least three times as
Although researchers are working to improve the performance of LEDs and drive down their cost, fluorescent lamp and fixture technology is not standing still either. The lighting industry, Rubinstein points out, has improved ballast technology in
Modern décor calls for illumination that is energy efficient (LED, fluorescent, low voltage fixtures) and effective (Dark Sky and Energy Star® rated lights). But contemporary lighting also requires a sense of play, adventure, and comfort.
The existence of the energy saving light fittings such as compact fluorescent lamp (CFL), light emitting diode (LED) gave relief to the consumers, states the New York Times. According to Karishma Baijal, a spokesperson at Hinkley Lighting Gallery the
Florescent Light Fixtures - Bookshelf
Popular Science
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