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  • Radical approach for brighter LEDs

    Scientists have discovered that semiconducting molecules with unpaired electrons, termed 'radicals' can be used to fabricate very efficient organic-light-emitting diodes (OLEDs), exploiting their quantum mechanical 'spin' property to overcome efficiency limitations for traditional, non-radical mater more

  • New efficiency record set for perovskite LEDs

    Researchers have set a new efficiency record for LEDs based on perovskite semiconductors, rivalling that of the best organic LEDs (OLEDs). Compared to OLEDs, which are widely used in high-end consumer electronics, the perovskite-based LEDs, developed by researchers at the University of Cambridge, ca more

  • Quantum Dot White LEDs Achieve Record Efficiency

    Researchers have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt. Luminous efficiency is a measure of how well a light source uses power to generate light. With further development, the new LEDs could reach efficienc more

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A Basic Guide to How LED Lights Work

Christmas isn’t far off now, and whether you’re celebrating it or not, you’ve may well have started seeing Christmas lights starting to appear adorning houses and Christmas trees. How do these lights actually work, and how can they be made to produce such an array of colours? This graphic takes a lo more

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Definition

LED anchor light

LED anchor light A LED anchor light is a newer type of an already existing marine signaling light known as an "anchor light", defined by international regulations as a 360 degree white all round light with a given range of one NM (Nautical Mile ... more

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