1, Changxin Technology (300088),
2. Derun Electronics (002055),
3. Zhongjing Electronics (002579),
4. Sheng Bang shares (30066 1),
5. Philip Hua (300395), etc. Organic light emitting diode refers to organic light emitting diode technology. It is an advanced display technology, which uses organic materials as luminescent layers and generates light by supplying power to these organic materials.