General Purpose Rectifier Bridge
A bridge rectifier provides full-wave rectification from a two-wire AC input, resulting in lower cost and weight as compared to a rectifier with a 3-wire input from a transformer with a center-tapped secondary winding.
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The joint research group of the University of Tokyo in Japan and John Kepler University in Austria has developed the world's thinnest and lightest organic light-emitting diodes (OLEDs) that can be bent freely to a thickness of only 2 microns.
According to a report from the Japan News Service and other websites on the 29th, the research team successfully fabricated organic light-emitting diodes with a total thickness of 2 microns and a weight of only 3 grams per square meter on ultra-thin PET plastic films with a thickness of only 1.4 microns. It has good flexibility, and any bending will not affect its energization performance.
The research group had previously used ultra-thin polymer films to successfully develop ultra-thin organic solar cells and organic transistor integrated electronic circuits composed of carbon molecular materials. This new technology invention enables organic light-emitting diodes, organic solar cells and organic transistors to be integrated on the same polymer film, which is lighter and more practical than previous electronic devices.
Organic light-emitting diodes and organic solar cells are key projects in the field of material research and development in recent years and have entered a practical stage. Organic light-emitting diode display devices have the advantages of power saving, good color reproduction, and fast response speed, and are regarded as next-generation display materials. The demand for lightweight and ultra-thin electrodes has driven relevant technological advances.
