The reporter learned on the 1st from the Suzhou Institute of Nanotechnology and Nanobionics of the Chinese Academy of Sciences (hereinafter referred to as the Suzhou Nanotechnical Institute of the Chinese Academy of Sciences) that the Institute cooperated with a number of companies and established the first domestic GaN-based blue-green semiconductor laser materials and devices. enterprise. This means that blue-green semiconductor lasers that are monopolized by foreign countries will be domesticated. Gallium nitride-based blue-green semiconductor lasers are an important direction for third-generation semiconductor materials. Although it is currently on the market, it will be closely related to you and my life in the future, such as large-screen laser display. Zhang Shuming, a researcher at the Suzhou Institute of Nanotechnology at the Chinese Academy of Sciences, introduced that laser display is a new display technology following black and white display, color display, and digital display. It has many advantages such as large color gamut, high brightness, low energy consumption, long life, and no pollution. Due to its strategic significance, the National Outline for Medium- and Long-Term Scientific and Technological Development Planning (2006-2020) will incorporate laser display technology into the country's strategic emerging industries. "The core components of the laser display include red, green and blue three-color semiconductor lasers." Zhang Shuming told the Science and Technology Daily that the red laser semiconductor laser technology is relatively mature, and the blue-green semiconductor laser technology is more difficult. Previously, only two companies in Japan and Germany have achieved mass production of blue-green semiconductor lasers.
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Blue-green semiconductor laser will be localized