Abstract: Even a few years ago, the most advanced LED display
s looked amazing compared to existing screen panels on the market. [touch display production] Even a few years ago, the most advanced touch display was amazing compared to the existing screen panels on the market. And now, an engineer from Princeton University has discovered an inexpensive way to make LEDs. Although this technology is low-cost, it can make the panel brighter, more efficient, and last longer, and can even increase the clarity by as much as 5 times. In 2012, Professor Stephen Chou of Princeton University was famous in the academic world for his breakthroughs and achievements in nanotechnology—increasing the energy efficiency of solar cells by 175%. Now, he has put the same principle on LED technology. From a physical point of view, a good light absorber, such as our solar cell, should also be a good light emitter. Chou wrote in the article that we want to prove in experiments that this is true in the visible light range, and then Use it to solve important challenges in LEDs and displays. Since the invention of LED, scientists have been fighting this so-called important challenge. Although the energy efficiency of the LED is extremely high, the light that it actually emits only accounts for 2%-4% of the total generated, and the rest is trapped in the LED housing, just like the light is trapped in the water of a swimming pool. 【Traffic Guidance Display】 But Chou's nanotechnology has changed this. This technology uses nanostructures that can guide and focus light toward the viewer. It is basically a mesh structure with a thickness of only 15 nanometers, through which the light-emitting surface at the bottom can emit brighter light. , Since the trapped light and heat have been reduced, the life of the LED has also been extended. For the production of organic and inorganic LEDs, this is a very cheap way. Chou and Princeton University are currently waiting for their patent applications to pass. After that, we may see this technology being applied to smartphones soon.
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