The demand for high-performance displays is continuously increasing because of their wide range applications in smart devices (smartphones/watches), augmented reality, virtual and naked eye 3D projection. High-resolution, transparent, flexible are the main types display to be used future. In above scenario, micro-LEDs (light-emitting diodes) which has outstanding features, such as low power con...

An observer watches one of a set of Poisson streams. He may switch from one stream to another instantaneously. If an arrival occurs in a stream while the observer is watching another stream, he does not see the arrival. The experiment terminates when the observer sees an arrival. We derive a formula which states essentially that the expected total time that the observer watches a stream is equa...

Worldwide, an estimated 461 000 people die from asthma attacks each year. While there remain treatments to alleviate symptoms and reduce deaths, patient deterioration needs be identified in sufficient time. To prevent deterioration, patients need aware of personal environmental triggers monitor their symptoms. The aim this article is provide a comprehensive review the current state-of-the-art w...