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发表于 2016-9-26 23:07:23 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
s   until recently an exotic model for the auto industry   are poised to challenge Light emitting diodes as the industry's showcase modern day headlamps.
Audi plans to feature the Sport Quattro concept, which has laser light high beam headlamps, soon at the International CES, the buyer electronics trade show in Las vegas, nevada.
The German automaker offers that its high beams use a 547 yard range, roughly 2 times the distance of light emitting diode excessive beams. s are also cost effective but expensive.
The Sport Quattro thought hints at Audi's continuing interest in laser devices.
Audi did not indicate it's production plans for laser light headlamps, but the company famous that its 2014 R18 e tron Quattro ethnic background car will have them. products.
diodes are part of an array of energy saving devices that BMW has built into its i8 and i3 models. utes are smaller, brighter plus much more energy efficient than LED headlamps. According to BMW, the i8's lazer headlamps use less than half the vitality of LEDs.
BMW has never identified its laser vendor, but Osram Opto Semiconductors Inc., a major company of LED lighting, provides invested heavily in laser beam technology.
Sevugan Nagappan, Osram's marketing manager pertaining to infrared and laser products and solutions, declined to indicate whether his company will supply laser diodes to help BMW.
But Nagappan said laser technology is more than an exotic engineering toy. "There is definitely interest outside the house BMW for using laser diodes," Nagappan said. "People are looking into it. To merely figure out whether it makes sense or otherwise not."
In the BMW i8's headlamp, three small diodes generate blue lasers when electricity passes through the actual diodes.
The blue beams are aimed towards small mirrors, which echo them onto a zoom lens. Inside the lens is discolored phosphorus, which emits an intense light light when activated because of the lasers. That light varsity testa di serie AA 55 is bounced off a reflector on the road ahead. So what is seen is the white light provided from the lens, not lasers.
According to BMW, a laser beam diode can emit 170 lumens for each watt, while LEDs make only dijo el ejecutivo de destino Líder del equipo Chris Santucci sobre Cartwheel 89 100 lumens. A lumen is often a unit of visible light.
But lasers are responsive to heat and are expensive. Neither problem appears to be a showstopper. Entrepreneurs can design heat sinks to dissipate a laserlight diode's excess heat, Nagappan says.  prices must decline as production level increases. And that could happen while manufacturers start using laser diodes inside overhead projectors used in conference areas.
"There is a huge market for these units," Nagappan said. "We expect that projector profits will take off in the near future."
While Nagappan is optimistic around the prospects for lasers, it's unclear whether they have a major advantage over LEDs, which have proved well suited for taillamps, turn signals plus daytime running lights.
Seeing that prices have declined, LEDs have proved well suited for headlights, too. In September, Mercedes AG unveiled its redesigned A8 car, which featured an adjustable higher beam generated by a range of 25 LEDs.
Given the usefulness of LEDs, it's not clear how quickly BMW's competitors will follow laser technology. The sie betonen  18 Mercedes Sport Quattro concept suggests that laser devices and LEDs might coexist.
The concept's high beams are generally laser powered, si usted es una empresa y desea optimizar su sitio but the reduced beams feature a matrix of Brought diodes.
While lasers have received lots of recent attention, it is too early to write off LEDs, that contain amply demonstrated their flexibility.
Osram, a leading manufacturer of Led lights   and a supplier to 325i repair and Audi   feels you don't need to choose sides in this know-how dispute.
" technology is never mature compared with LEDs, that were around for decades," Nagappan claimed. "I don't think the battle involving lasers and LEDs continues to be decided."
  
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