Shaanxi New Light Source successfully trial production of vertical structure ultra-high brightness LED lights

Recently, China's first independent innovation of vertical structure ultra-high brightness LED technology industrialization project, the successful trial production in Shaanxi New Light Source Technology Co., Ltd., and lighted the country's first independent innovation of vertical structure LED lights.

The vertical structure ultra-high brightness LED technology industrialization project is a scientific and technological achievements transformation project of the Solid State Lighting Engineering Research Center of Xi'an Jiaotong University, which mainly produces high-power LED chips for functional lighting. The technology adopts a substrate stripping process to transfer a non-thermally conductive epitaxial growth substrate onto a metal substrate having excellent thermal conductivity, and then peels the epitaxially grown device film from the growth substrate, so that the heat dissipation problem of the LED device is advanced to The chip segment completely solves the problems of low power, inconsistency, high cost and low reliability of the chip, the package component and the light source due to poor heat dissipation.

The high current density, ultra high power, large size LED chip produced by the technology realizes the improvement of the unit area chip light several times or even ten times, greatly reduces the production and use cost of the LED illumination source, and improves the reliability of the device. Sexuality truly takes advantage of the high efficiency, high brightness and high reliability of high-end semiconductor lighting chips.

According to Dr. Yunfeng from Xi'an Jiaotong University, ultra-high-brightness semiconductor lighting chips have been industrialized by only a handful of industry giants around the world due to their high technical barriers.

It is expected that the project will complete trial production in the near future and gradually realize mass production, reaching an annual production capacity of 130,000 epitaxial wafers and 180 million ultra-high power vertical structure LED chips, achieving a sales income of more than 200 million yuan.

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