TOPLED Compact 4520 from OSRAM Opto Semiconductors
Nov 9, 2010 Super flat displays are now possible thanks to the new TOPLED Compact 4520 from OSRAM Opto Semiconductors. This LED is one of the smallest for screen backlighting and is the first LED for this application to have a UX:3 chip. It is therefore ideal for pulse mode, can be loaded with a very high current and helps produce razor sharp pictures.
This tiny light source with a brightness of 35 lm (at 150mA) and an efficiency of 72 lm/W is suitable for single or double-sided injection of light into light guides up to 2 mm and covers a color space of more than 100% sRGB. Thanks to its UX:3 chip, which offer excellent linearity between current and brightness, it is brighter in high-current pulse mode than all the LEDs based on other chip technologies.
Like the other members of the TOPLED family, the TOPLED Compact 4520 is flat encapsulated and does not have a lens. It is therefore ideal for single or double-sided injecting in light guides. The tried and tested TOPLED package measures 4.5 x 2.0 x 0.8 mm. It is synonymous with reliability and can be manufactured in large volumes.
Author: BIO T&T
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