LED energy-saving lamps are extended from landscape lighting to functional lighting, and it is a general trend to enter the home from the outside. ''Shi Yuzhuang, the general manager of Shijiazhuang Warwick Kaide Technology Development Co., Ltd., said that LED lamps have long life and fast response, and are also very suitable for intelligent applications. For example, LED corridor lights, night lights, stair lights, etc., which are controlled by infrared rays, are not very convenient for clapping, licking, coughing.
Recently, by visiting Beijing's Shilihe, Ruifeng International, Wanjia Denghuo and many other lighting markets, LED home lighting products began to flood into the lighting market. ''The price of LED lights is high, which affects consumers' desire to buy. ''A dealer in Beijing Wanjia Lighting City said that, for example, in the market in Beijing, 3 watt LED lights are priced at 20 yuan, 7 watts are soaring to 90 yuan; and energy-saving fluorescent lamps are usually around 10 yuan. To, incandescent lamps only cost 1 yuan.
At present, LED lighting is not suitable for main lighting. ''Mr. Liu, a Beijing citizen who used LED ceiling lamps, said that the LED lights are indeed energy-saving and environmentally friendly, but they are too bright and too dazzling, and they have to change back to ordinary energy-saving lamps.
At present, there are still some problems in domestic LED home lighting. First, the problem of heat dissipation, the current domestic process uses aluminum heat sinks. If the heat sink is not tightly attached to the LED chip , it will affect the life of the LED lamp. Second, the brightness adjustment problem requires a controller. adjust. If domestic enterprises only care about ''staking a place'', and don't focus on technology research and development and meet market demand, LED energy-saving lamps will not be able to enter the home market.
LED packaging principle
LED package is mainly to provide a platform for LED chips, so that LED chips have better performance of light, electricity and heat. Good packaging can make LEDs have better luminous efficiency and good heat dissipation environment, and good heat dissipation environment can enhance LEDs. The service life. LED packaging technology is mainly built on five main considerations, namely optical extraction efficiency, thermal resistance, power dissipation, reliability and cost performance (Lm/$).
Each of the above factors is a very important part of the package. For example, the light extraction efficiency is related to cost performance; the thermal resistance is related to reliability and product life; and the power dissipation is related to customer applications. On the whole, the best packaging technology is to take care of every point, but the most important thing is to think from the customer's standpoint, to meet and exceed customer needs, is a good package.
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