Its key materials mainly include emitter materials, electron-transporting materials and hole-transporting materials.

其核心材料主要包括发光材料，电子传输材料和空穴传输材料。

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Its key materials mainly include emitter materials, electron-transporting materials and hole-transporting materials.

其核心材料主要包括发光材料，电子传输材料和空穴传输材料。

youdao