OSRAM Opto Semiconductors' RGB Multi ChipLEDs are used in the FormoLight display. Their compact size
permits a special image format in LED video displays ranging in size from small
to large screens. In this display, for interior use, the LEDs are not used as
backlighting light sources that are hidden from viewers such as in LCDs, but in
this application the LEDs are clearly visible on the surface of the display. They
remain undetected by viewers because of the Multi ChipLEDs small size of 1.6 x
1.6 mm and 0.9 mm thick, and virtually invisible through the black LED housing.
Multi ChipLEDs produce a
homogenous image from virtually any viewing angle. This homogeneity is based on
two principles. The LEDs can be packed very closely together because of their
compact size - the distance between pixels can be as little as 2 mm. Also, the special casting material ensures a
perfect color mix. The LEDs contain three chips (red, green, blue) manufactured
using OSRAM's Thinfilm or ThinGaN technology, each of which can be controlled
separately. The color impression is constant across the entire viewing angle
and remains brilliant even when viewed from the side. Thanks to the LEDs' sharp
contrasts and high output, this high image quality is maintained even in high
ambient light environments. The LEDs are characterized by low power consumption
and long life.
Siemens and Georgia Institute of Technology are partnering to address limitations in the current additive manufacturing design-to-production chain in an applied research project as part of the federally backed America Makes program.
Most of the new 3D printers and 3D printing technologies in this crop are breaking some boundaries, whether it's build volume-per-dollar ratios, multimaterials printing techniques, or new materials types.
Independent science safety company Underwriters Laboratories is providing new guidance for manufacturers about how to follow the latest IEC standards for implementing safety features in programmable logic controllers.
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