Cadmium-free QD LED beats 1000 hour milestone

Quantum dot manufacturer Quantum Materials Corp announced its cadmium-free quantum dots have been successfully tested in a remote light emitting diode (LED) application, surpassing a 1000 hour continuous on-time durability test. The test has been conducted with red and green quantum dots encapsulated in resin and mounted over a blue emitting LED, similar to the type of LEDs used in standard LCD display back light units (BLU). The successful implementation of quantum dots with LEDs has been slow to progress primarily due to the challenge of achieving the requisite reliability and durability to survive the heat generation inside the LED package without suffering thermal quenching and rapid performance deterioration.