Silicon semiconductors, transistors and large-scale integrated circuits invented in the last century have made great contributions to the electronics industry and have become the backbone of the information electronics industry and have played a decisive role in the development of the national economy. But the fragility of silicon and the cost and complexity of integrated circuit manufacturing have hampered its wider use. This has forced people to try to make plastic transistors, integrated circuits, thin film memories and other optoelectronic devices on plastic substrates that are truly inexpensive, ultra-thin, durable, non-breakable, bendable, and cut into any size device. This will be the second revolution in the semiconductor industry and will be the biggest highlight of the information electronics industry in the 21st century.
O LED organic light is an important branch of organic electronics. The large-scale, large-area production of inexpensive OLED light source coating machine not only plays an important role in solid-state light sources, but also can be associated with other organic electronics branches. promote.
The biggest advantage of OLED white light relative to LED white light
1, OLED light source is a planar light source, the working voltage is very low, only 3-5 volts. It adjusts the light to any color, as well as the shade and intensity of the hue. Its color reproduction index is close to 100, which can imitate most white or sunny colors. Bright, low shadow, low operating voltage and comfortable white light can be as transparent as a window or as a mirror.
2, ultra-thin, light weight, soft, curlable, durable, short response time, wide operating temperature range, no noise and environmental protection. Compared with LEDs, there are fewer insert components, which can be mass produced and cheap.
3, OLED is a current-driven device, the brightness can be changed within the dynamic range of 10000 candela / m 2, and uniform illumination without dazzling. It has good color coordinates, high color reproduction index, and can adjust white light from cool to warm.
4, OLED can be deposited on any substrate: can be used as a substrate for glass, ceramics, metal, thin plastic plates and other compatible materials, and can be made into any shape and style, to fundamentally create a new lighting culture.
5, OLED light source has a long service life, due to the development and application of related material components structure, it is expected that the service life of white OLED lighting will be extended to about 700,000 hours.
Application prospects of OLED solid state light source
1. Plane lighting for residential and commercial buildings, or for museums or art exhibitions.
2, with OLED wallpaper can be made into a large billboard and sign board, the area can reach 200 square feet.
3, ultra-light wall-mounted OLED TV, touch screen or display.
4, the office wall or partition wall, can also be used as a flat panel light and computer display dual-use.
5. Color-changing panel lights for homes and offices, large-area wall and ceiling lights.
6, large-area LCD TV and display backlight, because the OLED itself is illuminated, so there is no need for light guides, diffuse reflectors and other components in the LED backlight system.
7, OLED lighting does not need to be made into complex and expensive lamps, can be used as a high-brightness, long-life shadowless lamp in medicine.
8. Get useful applications from programmable light intensity, light color, and beam direction performance.
9. Polymer sensors (including environmental sensors, fingerprint sensors, biosensors, gene detectors, chemical and industrial sensors, etc.).
10. Plastic medical and security devices, such as integrated circuit boards for X-ray detectors.
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