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TECHNOLOGY / LED
highest power density LED driver in the world with over 634W contained in a 1U 19” rack and is controlled by a DMX/RDM protocol. The system offers an efficacy of over 98% at the DC/DC level with the DSP enabling exceptionally smooth stepless dimming performance.
The incandescent lamp is on its way out! On 1st September the second stage of the phase-out came into affect: since last year it has no longer been allowed to market matt or 100W light bulbs, now the same applies to 75W versions.
OCTOBER Epistar: announce the successful development of a new generation of Aquarius-series AlGaInP LEDs emitting at an efficacy 26 percent higher than the previously announced March. The record was set by the 14x14 mm2
chip in the
new generation of Aquarius-series chips. This chip reaches 168lm/W at a dominant wavelength of 610 nm driven by 20mA current (180lm/W at 6mA). Applying Epistar’s novel light-extracting technology, the new Lambertian transmission has been demonstrated to increase the efficacy from 133lm/W to 168lm/W.
Cree: extends its lighting-class LED leadership into high-voltage LEDs with the commercial availability of new XLamp MX- 6S and MX-3S LEDs. With the same footprint and high-quality performance as the XLamp MX-6 and MX-3 LEDs, the MX-6S and MX-3S LEDs offer new high-voltage configurations designed for space-constrained LED lamps and bulbs. For these applications, high- voltage LEDs can be used to achieve smaller, more-efficient power supplies and thermal systems.
The XLamp MX-6S LED as shown in figure 12 delivers luminous flux of up to 139 lumens at 60mA/20 V in 6000 K and 114 lumens in 3000K. The XLamp MX-3S LED provides up to 122 lumens at 115mA/10.7 V in 6000K and 100 lumens in 3000K. The MX series LEDs deliver lighting-class performance for high-voltage LEDs, including high reliability, high efficacy and industry-leading colour
Correlated Color Temperature (CCT)
3500-4500K 4000K ANSI
4500-10,000K Typical CRI
65 75
70 Table 2: The new Rebel ANSI performance in October consistency.
Philips Lumileds: announces that it has added a new 4000K CCT ANSI binned part to its award winning LUXEON Rebel product portfolio and raised the top flux bin for its cool and neutral white LUXEON Rebel by 20%. The new part delivers improved colour rendering and tight binning. In addition, flux bin increases for cool and neutral white LUXEON Rebel parts to a minimum 120 lumen flux bin at 350mA as shown in table 2.
Bridgelux: introduce a 5-year warranty on all of the company’s integrated LED arrays and light sources sold worldwide. This unprecedented move boosts standard 1-year and 3-year warranties to deliver industry- leading 5-year warranty protection, emphatically demonstrating Bridgelux’s confidence in LED technology while providing customers the assurances needed.
OSRAM: add the OSLON Black Series to its successful OSLON family. The first member of the new series has a metal lead frame, a compact package and a tried and tested lens design. The OSLON Black Series has a lens with a 90° beam angle and produces a typical brightness of 115lm at an operating current of 350mA and a colour temperature of 6500K. By increasing the operating current to 1A it is operating to achieve a brightness of 250lm. The LED uses a 1mm2 chip and is available in all colours including warm white.
OSRAM introduce the new OSLON SSL 150 with a wide beam of 150 degrees this new LED enables the light to be used in reflector systems with much lower light losses enabling LED lamps and luminaires designed with OSLON SSL 150 to be more efficient. In reflector applications for example, the luminaire efficiency can be increased by more than 5 percent. The reflectors can also be low-profile and the luminaire itself needs only a shallow mounting depth. The OSLON SSL 150 is also ideal for other applications such as diffused lighting in suspended ceilings and for wide-area
Min Flux @ 350 mA
120 90
120
Typical Flux @ 350 mA
130 100
130
Figure 12: The new Cree MX6S high voltage LED emitters
backlighting with no obvious spots of light. Additionally, uniform illumination of the diffuser is possible in retrofits that aim to simulate incandescent or halogen light. Colour mixing is also easier than ever as the LED colours can be mixed at the reflector level. The LED is based on a 1mm2
chip,
providing a typical brightness of 92 lm at 3000 K at an operating current of 350mA and 156 lm at 700mA. It is available in all white tones (2700-6500K) and in different colours. The OSLON SSL 150 fits neatly into the portfolio with its dimensions of 3 mm x 3 mm as shown in figure 13.
Citizen: develop the CL-L330 series (26W type) and CL-L340 series (41W type) of white LED Arrays for lighting applications featuring the world’s highest level of luminous flux with astounding lumens efficacy between 73 and 104lm/W. The newly developed products (see figure 14) resolve the issues that some outdoor lighting and indoor LED equivalents for HID lamp sources require high lumen output LEDs within a miniaturised space with simplified optical design. Four models are available covering 5000K and 3000K both at 26W and 41W consumption as shown in tables 3 and 4.
The CRI for the 3000K products are typically 83 and the thermal resistance for the 26W is 1.7C/W and 1C/W for the 42W arrays. Stunning performance like this, LED arrays will start to offer LED fixture manufacturers an improved route for LED downlights and
Typical
Efficacy lm/W @ 350 mA
124 95
124
Part Number
PWN1-0120 LXM7-PW40
LXML- LXML- PWC1-0120
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