k2 High Brightness high power led 1w
HBLED advantages
High brightness LEDs have a number of advantages over the standard LEDs and other technologies.
Offer higher brightness levels, particularly when compared to standard LEDs
Longer life than other lighting technologies including incandescent and CFLs.
Low cost: HBLEDs although expensive to buy initially, provide a lower cost over the lifetime of the LEDs in view of their longer life.
RoHS manufacturing compatibility (lead free) – they are also far more environmentally friendly than CFLs that require specialist disposal.
In view of their advantages high brightness LEDs, HBLEDs are being used increasingly in many lighting applications from domestic, office and room lighting to automotive lighting.
HBLED technology
There are several enhancements that have been made to basic LED technology to enable the high brightness LEDs, HBLEDs to be developed and successfully manufactured.
The initial indicator LEDs used a traditional through hole style wired package. A standard 5mm LED would produce a light output of around two or three lumens for an input of 100 mW - equivalent to 20 or 30 lumens per watt.
Surface mount technology allowed development of LEDs in such a way that the printed circuit board could act as a heat sink - with LEDs mounted onto the board, any heat could be removed reasonably effectively, and this allowed light levels to be increased. With HBLEDs running at much higher power levels, dissipating the increased levels of heat generated is a key issue.
The next development was to add a thermal heat slug directly into the bottom of the surface mount package. Being located directly under the LED junction, this allowed heat to be removed far more effectively.
High brightness LEDs utilise this effective heat removal to enable the HBLED junction to remain within its safe limits while still producing the light output required. In addition to this, more effective manufacturing processes have enabled the efficiency to be improved.
1 Watt LED Bridgelux Epistar Chips White Color package size:
Datasheet:
For more details, please feel free to contact with Guangmai Tech directly.
You can download the English Version datasheet of k2 High Brightness high power led 1w from the head of this page.
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