Electroluminescence refers to the phenomenon that when voltage parameters are applied, the electrically charged substance can directly convert electrical energy into the form of light, which is a kind of electric-optical energy conversion characteristic. Materials with this function are called electroluminescence materials, such as light-emitting diodes. Electroluminescence has the characteristics of low power consumption, small volume and surface display. It is an important raw material for instrument lighting and flat display manufacturing.
According to the structure principle of the electroluminescent device, the main materials used in the device include:
Fig.1 The structure of electroluminescent materials
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