According to the upper, middle and lower reaches of the LED industry chain, the conference is divided into four special sessions, of which there are two special sessions in the middle. The meeting invited CTOs and executives from well-known enterprises in the LED industry chain to share the latest cutting-edge technologies in the industry and discuss the technological development trends of the upper, middle and lower reaches.
Ji Yong, chairman of Guizhou Haotian Optoelectronics, explained a new technology to the preparation of sapphire by PVE (physical vapor epitaxy). According to Ji Yong, PVE includes kinetic energy conversion process, momentum conversion process, physical vapor deposition, surface migration and other processes.
Guizhou Yongtian Photoelectric Chairman Ji Yongyong
Ji Yong said that in the future, sapphire crystals will develop toward low defects, no bubbles, large size, and regular shape.
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