7-Segment LED Displays Offer Market-Leading Temperature Range

Lumex announces the global launch of its QuasarBrite High-Temperature Surface-Mount Seven-Segment numeric LED Display technology capable of providing bright, crisp display performance in market-leading temperature ranges up to 105°C. As a surface-mount technology compatible with lead-free soldering, the new technology can eliminate the need for the additional soldering step required with through-hole displays saving time and reducing manual labor requirements by up to 80%.

QuasarBrite High-Temperature SMD Seven-Segment LED Displays are compatible with standard drivers and are ideal for a wide range of applications that require performance in extreme heat conditions including:
  • standard and commercial appliances (including displays on fryers, ovens, microwaves, and dishwashers);
  • medical devices (including displays on portable and non-portable patient monitoring displays such as defibrillators, heart and pulse monitors, and sphygmomanometers);
  • industrial control devices (including oil field and gas flow metering and drive control displays for heavy motor control technologies);
  • military applications (including aircraft, ground vehicles, GPS and portable communication systems);
  • telecom equipment applications (including displays on storage units, networks, switchboard units and routers).
Whereas standard seven-segment LED displays can operate at temperatures up to 85°C, the combination of proprietary epoxy and plastic used allows the new Lumex high-temperature technology to provide outstanding color and brightness performance at up to 105°C which is unique in the industry.

“The compatibility of the new seven segment displays with lead-free soldering allows engineers to benefit from an environmentally friendly and simplified design process.” explained Jeff Oliveros, Director of Engineering at Lumex. “Many brands are looking to eliminate all lead-based soldering for exposure-related safety issues. Additionally, most of the other components designers are using such as drivers, resistors and capacitors are all surface-mounted. Traditionally a secondary, soldering process was needed to add the through-hole seven segment displays. With the new surface-mount displays, this additional soldering process is no longer needed, generating significant time and cost savings.”

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