On November 25th, the 2013 High-tech LED Conference-CTO held in conjunction with the 2013 Gaogong LED Lighting Exhibition was held in the D meeting room of Hall 5 of Guangzhou Poly World Trade Center. Dr. Xiao Guowei, Director and General Manager of Jingke Electronics, presided over the meeting. This meeting.
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.
On the afternoon of November 25th, the first Tiantong Hi-tech Group titled the CTO Conference focused on “chip and equipment materialsâ€. Shen Tonghuan, director of Tiantong High-tech Products, first gave a speech on the theme of “Sapphire material is promisingâ€. He believes that large-size substrates will be the trend of the times.
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.
On the afternoon of November 25th, the first Tiantong Hi-tech Group titled the CTO Conference focused on “chip and equipment materialsâ€. Shen Tonghuan, director of Tiantong High-tech Products, first gave a speech on the theme of “Sapphire material is promisingâ€. He believes that large-size substrates will be the trend of the times.
Tiantong High-tech Products Director Shen Yihuan
Shen Yuhuan pointed out that large-size substrates can make more chips in each MOCVD, so the use of large-size sapphire substrates is one of the main means to reduce the cost of LED chips. Since the LED chip has an edge ineffective area, the larger the diameter, the more obvious the advantage of the number-to-diameter ratio of the chip. "In the case of a 6-inch substrate, the surface area is 9 times that of a 2-inch substrate, and the number of chips is 10.9 times that of a 2-inch substrate."
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