High power infrared LED, as the name suggests, refers to a type of LED with high power output in the infrared spectrum. It has become an indispensable component in various fields such as industrial automation, medical equipment, and consumer electronics. In this article, we will introduce the industry of high power infrared LED, including its development history, application fields, and future prospects.
Development History of High Power Infrared LED
The development of high power infrared LED dates back to the 1970s. At that time, with the continuous advancement of semiconductor technology, the output power of infrared LED began to increase. In the 1980s, the emergence of gallium arsenide (GaAs) material greatly promoted the development of high power infrared LED. With the continuous optimization of materials and structures, the output power of high power infrared LED has been increasing year by year, and its application fields have also been expanding.
Materials and Structures of High Power Infrared LED
The material of high power infrared LED is mainly gallium arsenide (GaAs), gallium phosphide (GaP), and their alloys. These materials have excellent optical and electrical properties, which are conducive to the realization of high power output. In terms of structure, the key technologies include epitaxial film growth, p-n junction formation, and package design.
Epitaxial film growth technology is the foundation of high power infrared LED. Through epitaxial film growth, the quality of the epitaxial film can be improved, which is conducive to the realization of high efficiency and high reliability. P-n junction formation technology is to form a p-n junction between the emitter and the collector, so as to achieve the effect of forward conduction and reverse blocking. Package design technology is to ensure the stable performance of the high power infrared LED in the actual application environment.
Application Fields of High Power Infrared LED
High power infrared LED has a wide range of application fields, mainly including the following aspects:
1. Industrial Automation: High power infrared LED can be used for infrared communication, infrared transmission, and infrared control in industrial automation systems. It plays an important role in the realization of intelligent manufacturing and industrial automation.
2. Medical Equipment: High power infrared LED can be used as the light source of medical equipment, such as infrared thermal therapy, infrared blood flow measurement, and infrared spectroscopy. It has a significant role in the field of medical treatment and health care.
3. Consumer Electronics: High power infrared LED can be used as the light source of consumer electronics products, such as remote control, infrared sensor, and infrared communication. It greatly improves the user experience of consumer electronics products.
4. Security and Surveillance: High power infrared LED can be used as the light source of security and surveillance equipment, such as infrared camera, infrared burglar alarm, and infrared obstacle avoidance. It plays an important role in ensuring people’s safety and property security.
5. Automotive Industry: High power infrared LED can be used as the light source of automotive equipment, such as automotive reversing radar, automotive night vision system, and automotive intelligent control system. It has a significant impact on the development of the automotive industry.
Market Status and Development Prospects of High Power Infrared LED Industry
In recent years, with the rapid development of the global economy and the continuous advancement of technology, the demand for high power infrared LED has been increasing. According to the data released by relevant research institutions, the global high power infrared LED market size is expected to exceed $1 billion by 2025.
The development prospects of the high power infrared LED industry are very promising. Firstly, with the continuous optimization of materials and structures, the output power and efficiency of high power infrared LED will continue to improve. Secondly, with the continuous expansion of application fields, the market demand for high power infrared LED will continue to increase. Thirdly, with the continuous development of the global economy, the market scale of high power infrared LED will continue to expand.
In conclusion, high power infrared LED has a broad market prospect and development space. With the continuous improvement of technology and the expansion of application fields, the high power infrared LED industry will continue to develop and grow.