High power LED 940nm, also known as 940nm infrared LED, is a type of high-power light-emitting diode that emits light at a wavelength of 940 nanometers. It is widely used in various fields such as industrial automation, medical treatment, and consumer electronics. This article will introduce the industry background, technology development, market status, and application prospects of high power LED 940nm.

Industry Background

In recent years, with the rapid development of science and technology, the application of LED technology has been increasingly extensive. High power LED 940nm, as an important member of the LED family, has been widely concerned and studied. The development of high power LED 940nm technology has not only promoted the optimization of LED products, but also brought new development opportunities for the whole LED industry.

Technology Development

1. Material development: High power LED 940nm technology is based on the development of III-V族 compound semiconductors. The development of materials such as gallium nitride (GaN) and indium gallium nitride (InGaN) has greatly promoted the progress of high power LED 940nm technology. 2. Device structure: The device structure of high power LED 940nm is mainly based on the AlGaInAs/GaAs structure. By optimizing the design of the device structure, the internal quantum efficiency and external quantum efficiency of the LED can be improved, which is conducive to the improvement of the brightness and power of the LED. 3. Packaging technology: High power LED 940nm packaging technology has developed from traditional metal packaging to high thermal conductivity ceramic packaging. The high thermal conductivity ceramic packaging can effectively improve the heat dissipation performance of the LED, improve the reliability of the product, and reduce the failure rate.

Market Status

1. Market scale: With the continuous expansion of the application fields of high power LED 940nm, the market scale has been expanding. According to the data released by the China LED Industry Alliance, the market size of high power LED 940nm in China in 2020 reached 1.2 billion yuan. 2. Market competition: The high power LED 940nm market is currently dominated by a few domestic and foreign enterprises. In terms of technology, domestic enterprises have achieved certain breakthroughs, but the overall technical level still has a certain gap with foreign enterprises. 3. Market prospects: In the future, with the continuous optimization of technology and the expansion of application fields, the market prospects of high power LED 940nm are very promising. According to the forecast, the market size of high power LED 940nm in China will reach 3 billion yuan by 2025.

Application Prospects

1. Industrial automation: High power LED 940nm can be used for industrial vision systems, such as machine vision, barcode scanning, and optical communication. It can also be used for industrial measurement and control, such as distance measurement and positioning. 2. Medical treatment: High power LED 940nm can be used for medical optical imaging, such as endoscopy and optical coherence tomography. It can also be used for medical treatment, such as photodynamic therapy and laser surgery. 3. Consumer electronics: High power LED 940nm can be used for consumer electronics products, such as remote control, smart home, and gaming devices. It can also be used for infrared communication and wireless charging. In conclusion, high power LED 940nm has a wide range of applications and promising market prospects. With the continuous optimization of technology and the expansion of application fields, it will play a more important role in the future development of the LED industry.