Electroluminescent materialsElectroluminescence is the direct conversion of electrical energy into light energy of a solid luminescence phenomenon.In 1923, Loservi in the study of silicon carbide detector, found in the silicon carbide crystal applied a positive bias, will be accompanied by the pheno

Light-emitting materials, generally refers to materials that can emit visible light. It is said that during the period of Emperor Taizong of the Song Dynasty, the Japanese presented a painting, nothing could be seen during the day, but at night a lying cow could be seen. When we found out the reason