The grand vision of manufacturing large-area emissive devices with low-cost roll-to-roll coating methods, akin to how newspapers are produced, appeared with the emergence of the organic light-emitting diode about 20 years ago. Today, small organic light-emitting diode displays are commercially available in smartphones, but the promise of a continuous ambient fabrication has unfortunately not ma...

Heterogeneous integration between silicon (Si), III-V group material and Germanium (Ge) is highly desirable to achieve monolithic photonic circuits. Transfer-printing and stacking between different semiconductor nanomembranes (NMs) enables more versatile combinations to realize high-performance light-emitting and photodetecting devices. In this paper, lasers, including vertical and edge-emittin...

Related Articles Large-area transparent conductive few-layer graphene electrode in GaN-based ultra-violet light-emitting diodes Appl. Phys. Lett. 99, 143101 (2011) Efficiency droop behaviors of the blue LEDs on patterned sapphire substrate J. Appl. Phys. 110, 073102 (2011) Effect of organic bulk heterojunction as charge generation layer on the performance of tandem organic light-emitting diodes...

INTRODUCTION Light emitting diode fluorescence microscopes have many practical advantages over conventional mercury vapour fluorescence microscopes, which would make them the preferred choice for laboratories in both low- and high-resource settings, provided performance is equivalent. METHODS In a nested case-control study, we compared diagnostic accuracy and time required to read slides with...

White light-emitting diodes (WLEDs) have matched the emission efficiency of florescent lights and will rapidly spread as light source for homes and offices in the next 5 to 10 years. WLEDs provide a light element having a semiconductor light emitting layer (blue or near-ultraviolet (nUV) LEDs) and photoluminescence phosphors. These solidstate LED lamps, rather than organic light emitting diode ...