OLED process introduction and application OLED (Organic light emitting diode) is a new generation of flat panel display technology following TFT-LCD (Thin film transistor liquid crystal display). It has the advantages of simple structure, self-illumination without backlight, high contrast, thin thickness, wide viewing angle, fast response speed, can be used in flexible panels, and wide operating temperature range. In 1987, Dr. CW Tang and others from Kodak Company in the United States established OLED components and basic materials [1]. In 1996, Japan\'s Pioneer Company became the first company to mass-produce this technology and matched OLED panels to the car audio displays it produced. In recent years, due to its promising prospects, R&D teams have sprung up in Japan, the United States, Europe, Taiwan and South Korea. This has led to the increasing maturity of organic light-emitting materials, the booming development of equipment manufacturers, and the continuous evolution of process technologies. However, in terms of principles and processes, OLED technology is related to the currently mature semiconductor, LCD, CD-R and even LED industries, but it has its own unique know-how; therefore, there are still many bottlenecks in the mass production of OLED . Taiwan\'s Rhenium Technology Co., Ltd. began to develop OLED-related technologies in 1997, and successfully mass-produced OLED panels in 2000, becoming the second company in the world to mass-produce OLED panels after Japan\'s Tohoku Pioneer; and in 2002, it successively Export shipments of mono-color and area-color panels are shown in Figure 1, and the company has improved its yield rate and output, becoming the largest OLED panel supplier in the world.
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