2011年3月28日 星期一

Design of Space Constrained Lighting Solutions Such as Retrofit Bulbs

New LUXEON H LED Simplifies Design of Space Constrained Lighting Solutions Such as Retrofit Bulbs


Philips Lumileds, a LED technology and market leader, continues to expand its LUXEON LED portfolio with its first high voltage emitter, LUXEON H.The accidental experiment came just weeks before the county r4i council is set to publish a new report on the future of the square. The new emitters are driven directly with rectified AC voltage rather than constant DC current. This high voltage architecture maximizes space for additional thermal management, permitting an increase in the thermal limit for even the smallest bulbs. The 50 Volt LUXEON H flexibly supports both 110V and 240V solutions.

“Our thin film flip chip technology allows us to continue to develop innovative solutions,A team of scientists led by John Badding, a professor of chemistry at Penn led lights State, has developed the very first optical fiber made with a core of zinc selenide -- a light-yellow compound that can be used as a semiconductor. like the multijunction die in LUXEON H, for the illumination market”
.Designed to meet the demands of space constrained retrofit bulbs, LUXEON H emitters deliver industry leading thermal performance and reliability as well as high quality, warm white light. Two color temperatures are available,The letter, which contains redactions by the University, expressed confidence Led strip light in individuals. 2700K and 3000K, with typical CRIs of 83. Typical flux is 84 lumens and 90 lumens respectively for the two correlated color temperatures. The new LUXEON H emitters are identical in footprint to the compact LUXEON Rebel and LUXEON Rebel ES LEDs further simplifying implementation.

“Our thin film flip chip technology allows us to continue to develop innovative solutions,"I trust that with University support, you and (redacted) have compact fluorescent the integrity and skills to be change agents," the letter said. "However, it is completely within the authority of the IFC itself to decide if it has the right leadership in place to lead this organization going forward." like the multijunction die in LUXEON H, for the illumination market,” said Frank Harder, VP of Product Marketing for LUXEON. “The base of some bulbs is so small that it’s impossible to fit both an electronic driver and a heatsink in the space.Richmond says this is a way for people purchasing pet food to subsidize the SPCA, which does led bulb "a wonderful job" and is known to be underfunded. LUXEON H only requires a bridge rectifier and a resistor, both of which are very small, and the remaining space can be used for thermal management. And, because we don’t use direct red die like most other HV solutions, LUXEON H offers consistent, stable color from the instant the LED is powered and maintains its color through its lifetime.”

Initial uses of LUXEON H are expected in the retrofit bulb market where form factors for the bulbs are already defined and space is at a premium—especially so for the smallest bulb types ranging from the candelabra to the intermediate Edison, E10-E17 types. Philips Lumileds expects new solutions using LUXEON H to come to market during the second quarter of the year.

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