LED lighting performance continues to increase, in order to achieve high brightness requirements, but also a large increase in the power of a single component, especially the accompanying high heat conditions, it is likely due to high heat problems, the component's light decay or life is relatively reduced In terms of components, if the heat dissipation requirements can be considered in the front-end process, it is more efficient than the heat dissipation design from the external conditions, and it is also possible to continuously develop higher-power, high-brightness LED components for daily lighting applications.
In the past few years, environmental issues have continued to heat up, and the current situation of various power consumption has changed drastically. There are many great changes in terminal electrical appliances, such as CRT TVs being replaced by LCD TVs, and even a lot of energy-consuming Incandescent lamps have also become the light source that has been banned in various countries.
Because 19% of the world's electricity consumption is used in lighting applications, if energy-saving lamps can be introduced into daily lighting, there may be significant savings in global energy consumption. Therefore, in order to create a more environmentally friendly image of the country, It is also actively promoting the development of lighting energy-saving applications through policies, regulations and industrial guidance. The use of the original LED or CCFL new light source design to replace the traditional light source and daily lighting applications has become an important development trend of the lighting industry.
Traditional light source application status
In most practical applications, a large number of high-efficiency, high-brightness light sources are still required. For example, street lamps, store lighting, store lighting, etc., high-performance, high-brightness lighting facilities are required, and most of them use high-intensity gas discharge lamps (High- Intensity discharge; HID) or halogen lamp to achieve high brightness, high illumination application requirements; in the store, store long-term demand, most of the choice of fluorescent tubes (CFL); residential still use a large number of incandescent lamps, Fluorescent lamps (CFLs), or new energy-saving bulbs that save power. In many practical applications, the most energy-intensive and inefficient light source should be dominated by incandescent lamps, because the application will convert a large amount of electrical energy into useless heat, which will also reduce the life of the lamp.
Observed by specific light source applications, the daily lighting market covers a wide range of applications, including building lighting, signs, landscape lighting, retail, signal lights, street lighting and residential lighting. To discuss the benefits of energy conservation, it is necessary to propose a scientific assessment method for existing luminaires, such as the input power ratio and the actual output lumens for performance measurement. Currently, the wattage per watt is used to evaluate the benchmark (or energy efficiency). Efficacy) evaluation.
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