In recent years, OLED (Organic Light Emitting Diode) display technology has become a leading technology in electronic products. OLEDs, which have the advantages of self-illumination, thinness, lightness, flexibility and low power consumption, are widely used in various electronic products such as mobile phones, TVs, tablets, car displays, and game consoles. However, the manufacturing process of OLED is extremely complex. To produce high-quality OLED panels, continuous innovation and the pursuit of excellent technical strength are required.

0.66 inch 28 pin PMOLED

 

At present, there are two main OLED manufacturing processes, namely the traditional vacuum evaporation method and the emerging inkjet printing method. The vacuum evaporation method mainly manufactures OLED panels by evaporating and depositing thin film materials on a substrate in a vacuum environment; while the inkjet printing method is by spraying ink onto the substrate and then irradiating it with a light source to finally form an OLED panel.

 

1.39 inch 454*454 pixel AMOLED 

 

No matter what kind of manufacturing process, it requires a very high level of technology and strict process control to ensure quality. For example, OLED panels manufactured by the vacuum evaporation method need to select appropriate materials, control the thickness of the materials, achieve a smooth surface, perform precise pattern etching, and achieve complex pixel structures; while the inkjet printing method requires controlling the amount of ink ejection. , the light source intensity of the irradiation agent and the automatic alignment of the substrate, etc.

 

In addition to process control, OLED manufacturing also needs to fully consider issues such as cost and environmental protection. The traditional vacuum evaporation method consumes a lot of energy, requires frequent encryption, requires large equipment investment and production space, and is also prone to environmental problems such as waste gas and waste water. The inkjet printing method can reduce energy consumption and waste emissions, and is more suitable for large-scale Production.

 

In order to improve the level of OLED panels and reduce production costs, the OLED industry continues to introduce new technologies and processes. For example, in terms of materials, researchers are developing more stable and efficient organic light-emitting materials; in terms of technology, new organic film preparation technologies and micro-nano processing technologies are also emerging.

 

Overall, OLED manufacturing process is an area full of challenges and opportunities. Only with strong innovation capabilities and excellent technical strength can we gain greater development space and higher market share in the field of OLED manufacturing. We believe that on the road of continuous innovation and pursuit of excellence, OLED will set off an even more exciting storm!