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OLED是如何工作的:OLED技术背后的科学吗

发布日期:2018-09-20 作者:admin

The days of tube televisions already feels like a distant memory。 In the 21st century, glorious high-definition units have replaced them。 These marvels of technology possess a fraction of the weight and thickness, yet their visuals are exponentially more stunning。 The best of them use organic light-emitting diode (OLED) technology。 Here’s what you need to know about how OLED works。

OLED Defined

OLED tech

Image via Flickr by LGEPR

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The OLED is a solid-state device, so it has no moving parts。 Its explicit purpose is to generate light electronically through semiconductors, and it requires virtually no space to do so。 The average OLED is infinitesimally small, roughly 100 nanometers thick, which is orders of magnitude thinner than a human hair。 In order for an OLED to build the proper amount of light, it must rest between a pair of electrodes which power it。

Technical details aside, the applications of such a tiny product are obvious。 The miniscule size of an OLED allows television manufacturers to add clusters of these devices, which are almost insignificantly small and light, but offer dazzling detail and colors, to a television screen。 They’re the reason why even large-screen HDTVs are so thin and lightweight, yet have extraordinary picture quality。

How OLED Works

There are six parts to an OLED: the anode, cathode, substrate, organic layers, conductive layer, and the emissive layer。

The magic word for the operation of an OLED is electrophosphorescence。 This is a form of phosphorescence that transpires thanks to an electric charge。 There are several steps to the process。 The initial stage begins when the attached power supply provides voltage, which activates the solid-state device。

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