LED (Lighting Emitting Diode) is a semiconductor solid-state light-emitting device. It uses a solid semiconductor chip as a luminescent material, and in the semiconductor, composites emit excess energy to cause photon emission, and directly emit red, yellow, blue, green, cyan, orange, purple, and white light.
In the context of the current global energy shortages, the energy conservation is an important issue for us in the future. In the field of lighting, the application of LED lighting products is attracting the attention of the world. As a new type of green light source, LED is bound to be the future development trend. In the 21st century, it will enter the era of new lighting sources represented by LED. The market space generated by the replacement of traditional lighting by semiconductor lighting is huge, which will enable China's semiconductor lighting market to maintain a high-speed and steady growth in the next few years. The main performance characteristics have four aspects.
(1), reducing the cost of lamps is the development focus of semiconductor lighting. One of the biggest problems currently hindering the popularity of semiconductor lighting fixtures is cost. At this stage, the cost of semiconductor lighting fixtures is 3-5 times that of fluorescent lighting fixtures and HID appliances. The reason for the high cost is the price of light source per unit brightness and peripheral components. The price of white LEDs is higher than that of traditional lighting fixtures. At the same time, the lighting products also need to drive peripheral components such as power supply, heat dissipation and lens. Therefore, to reduce the cost of the product, not only to reduce the cost of the light source, but also to reduce the cost of peripheral components is also important. In addition, indoor lighting attaches great importance to color temperature and color rendering, so improving light quality is also the focus of promoting semiconductor lighting applications in indoor lighting applications.
(2) Products are expanded to diversified applications. Semiconductor lighting applications are gradually shifting from simple decorative lighting to high-power urban landscape lighting, municipal road lighting, automotive lighting and industrial lighting, and gradually meet the needs of highways, tunnels, subways, airports, and shipping. Waiting for the market demand for high reliability of lighting products. In addition, lighting applications in special and special fields such as explosion-proof lamps, semiconductor manufacturing lighting, low-temperature lighting, ultraviolet disinfection, medical lighting, etc. are gradually using more advantageous LED light source products.
(3) The demand for power type and surface mount type LEDs is growing rapidly. With the gradual launch of the functional lighting market, the demand for power and surface mount LED products is growing rapidly. In addition, the increasing application ratio of LEDs in automotive lamp products will also drive demand for the power and surface mount LED industries. Driven by downstream market demand, power and surface mount LED products will become one of the key development products of the company.
(4) Semiconductor lighting products are constantly pursuing miniaturization and integration. With the trend of miniaturization and low power consumption of electronic products, it is imperative that end product manufacturers have proposed miniaturization requirements for various components, and LEDs are no exception. At present, with the continuous improvement of power and brightness of single LED chips, semiconductor lighting products suppliers are actively developing LED products with more advantages in terms of continuous optimization of heat dissipation technology. The miniaturization and integration of semiconductor lighting products have been Become a development direction. For example, portable lighting products that previously used 8-12 LED dies have only used 1-3 high-power LED dies to achieve better lighting.
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