In the efficacy of the hearing screening program using the one-step TEOAE, two-step TEOAE and AABR, and one-step AABR programs, the latter significantly decreased the referral rate from 5.8, to 1.6, and to 0.8%. No significant difference was noted between their accurate identification rates of congenital hearing loss. The total costs, including expenditures and intangible cost, were much lower in the protocol with AABR due to reduction in false positives.
This study demonstrates a novel package design to store colloidal quantum dots in liquid format and integrate them with a standard LED. The high efficiency and high quality color performance at a neutral white correlated color temperature is demonstrated. The experimental results indicate that the liquid-type quantum dot white light-emitting diode (LQD WLED) is highly efficient and reliable. The luminous efficiency and color rendering index (CRI) of the LQD WLED can reach 271 lm Wop(-1) and 95, respectively. Moreover, a glass box is employed to prevent humidity and oxygen erosion. With this encapsulation design, our quantum dot box can survive over 1000 hours of storage time.
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