About the development of semiconductor LED lighting (1)

Categories:Industry Information
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Time of issue:2012-09-21 13:24
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(Summary description) LED (Light Emitting Diode), also known as Light Emitting Diode, is a solid-state semiconductor device that can directly convert electricity into light. Since the birth of white LED in 1996, the history of light has further accelerated its evolution. The development history of lamps Looking back on the development history of lamps, there have been great inventions every 60 years since the gas lamps in the 1810s. In 1879, incandescent lamps were used, and in 1938, fluorescent lamps, which are also common today, were born in 1996. The prototype of LED lighting today - white LED. Looking back at the history of LEDs, deep red and green-yellow LEDs were developed in the 1960s, which were used for display in the early days. The turning point of the subsequent development was the development of blue LEDs in 1993, and the development of white LEDs in 1996. White LEDs have developed to the present. It only took more than ten years of development for LED to reach and surpass the efficiency level of fluorescent lamps, save energy by more than 60%, and have a lifespan far exceeding that of energy-saving lamps, reaching 50,000 hours. LED has officially become the fourth generation of light. The future of LED is bright According to the current order of time, Australia, Canada, Taiwan, Japan, the United States, EU countries, and South Korea have stopped using white woven lamps, and comprehensively promoted energy-saving lamps and LED lamps to achieve energy-saving and emission-reduction plans. The National Development and Reform Commission said that China plans to completely ban white woven lamps within 10 years. During the 12th Five-Year Plan period, LED lamps will be promoted and popularized in more than 20 large and medium-sized cities across the country. With the rapid development of LED technology, LED has been widely promoted and used all over the world, from the initial equipment indicator to a wide range of display screens, electrical screens, lighting fixtures, traffic signals, lighting engineering and other fields.

About the development of semiconductor LED lighting (1)

(Summary description)
LED (Light Emitting Diode), also known as Light Emitting Diode, is a solid-state semiconductor device that can directly convert electricity into light.
Since the birth of white LED in 1996, the history of light has further accelerated its evolution.
The development history of lamps
Looking back on the development history of lamps, there have been great inventions every 60 years since the gas lamps in the 1810s. In 1879, incandescent lamps were used, and in 1938, fluorescent lamps, which are also common today, were born in 1996. The prototype of LED lighting today - white LED.
Looking back at the history of LEDs, deep red and green-yellow LEDs were developed in the 1960s, which were used for display in the early days. The turning point of the subsequent development was the development of blue LEDs in 1993, and the development of white LEDs in 1996. White LEDs have developed to the present. It only took more than ten years of development for LED to reach and surpass the efficiency level of fluorescent lamps, save energy by more than 60%, and have a lifespan far exceeding that of energy-saving lamps, reaching 50,000 hours. LED has officially become the fourth generation of light.
The future of LED is bright
According to the current order of time, Australia, Canada, Taiwan, Japan, the United States, EU countries, and South Korea have stopped using white woven lamps, and comprehensively promoted energy-saving lamps and LED lamps to achieve energy-saving and emission-reduction plans. The National Development and Reform Commission said that China plans to completely ban white woven lamps within 10 years. During the 12th Five-Year Plan period, LED lamps will be promoted and popularized in more than 20 large and medium-sized cities across the country.
With the rapid development of LED technology, LED has been widely promoted and used all over the world, from the initial equipment indicator to a wide range of display screens, electrical screens, lighting fixtures, traffic signals, lighting engineering and other fields.

Categories:Industry Information
Author:
Origin:
Time of issue:2012-09-21 13:24
Views:

Information

LED (Light Emitting Diode), also known as Light Emitting Diode, is a solid-state semiconductor device that can directly convert electricity into light.
Since the birth of white LED in 1996, the history of light has further accelerated its evolution.
The development history of lamps
Looking back on the development history of lamps, there have been great inventions every 60 years since the gas lamps in the 1810s. In 1879, incandescent lamps were used, and in 1938, fluorescent lamps, which are also common today, were born in 1996. The prototype of LED lighting today - white LED.
Looking back at the history of LEDs, deep red and green-yellow LEDs were developed in the 1960s, which were used for display in the early days. The turning point of the subsequent development was the development of blue LEDs in 1993, and the development of white LEDs in 1996. White LEDs have developed to the present. It only took more than ten years of development for LED to reach and surpass the efficiency level of fluorescent lamps, save energy by more than 60%, and have a lifespan far exceeding that of energy-saving lamps, reaching 50,000 hours. LED has officially become the fourth generation of light.
The future of LED is bright
According to the current order of time, Australia, Canada, Taiwan, Japan, the United States, EU countries, and South Korea have stopped using white woven lamps, and comprehensively promoted energy-saving lamps and LED lamps to achieve energy-saving and emission-reduction plans. The National Development and Reform Commission said that China plans to completely ban white woven lamps within 10 years. During the 12th Five-Year Plan period, LED lamps will be promoted and popularized in more than 20 large and medium-sized cities across the country.
With the rapid development of LED technology, LED has been widely promoted and used all over the world, from the initial equipment indicator to a wide range of display screens, electrical screens, lighting fixtures, traffic signals, lighting engineering and other fields.

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What are the characteristics of LED roadway lights? Do you know the installation method and precautions? Take a look!

　　As people's requirements for lamps are getting higher and higher, a new type of lamps called LED lamps are favored by people. LED is a kind of light-emitting diode. As a light source for illuminants, it has high light efficiency and long life. To achieve multi-purpose lighting, and softened, it will not cause dazzling or other uncomfortable reactions, so many public areas will use this kind of light, such as LED roadway lights, because there are many people on the road, so it is necessary to To install soft lamps that will not hurt the eyes, what are the characteristics of LED road lights? Do you know its installation methods and precautions? Let's follow the editor to learn about it. 　　 Features of LED roadway lights: 1. The color purity of LED roadway lamps is high; at present, LED products cover almost the entire visible spectrum range, and the color purity is high. 2. LED roadway lamps have a long life. The actual life of LED is more than 50,000 hours, which is several times or even dozens of times that of general light sources. 3. The light source of LED roadway lamps does not contain mercury, and the light beam does not contain ultraviolet rays. 4. It is solid luminescence, good shock resistance, firm and reliable. 5. It also has the characteristics of energy saving, economical and maintenance-free. 6. LED has strong luminous directionality, high luminous flux utilization rate, and small size, which is easy to design and control light intensity distribution of LED lamps. 7. LED roadway lamps can be powered by DC low voltage, which is safe and reliable. 8. The LED is not limited by the start-up temperature, it can be started temporarily, usually a few ms, and can temporarily achieve full luminous flux output. 　 Installation method and precautions of LED roadway lights: 1. Installation method: 1. First, determine the installation position and method of the lamps according to the actual needs of the work site, and then prepare the corresponding length of Φ8~Φ14 mm three-core cables according to the distance from the lamps to the power contacts. 2. Open the set screw on the side of the upper cover of the lamp, then loosen the compression nut of the cable inlet of the lamp, open the upper cover, and lead the power cables through the compression nut to the internal terminal, and connect according to the method shown in the figure. Fix it, and then tighten the cable compression nut and the upper cover of the lamp. 3. The LED roadway lights are enclosure-free. If the lamps themselves are not bright, generally communicate with the manufacturer for direct replacement or return to the factory for maintenance. 2. Notes: 1. The power supply must be cut off before dismantling the lamp. 2. It is strictly forbidden to open it with electricity. 3. During use, the surface of the lamp has a certain temperature rise, which is a normal phenomenon; the center of the transparent part has a high temperature and should not be touched. 4. When installing lamps, the lamps should be safely grounded nearby. The above are the characteristics of LED roadway lights, as well as its installation methods and precautions. Relevant staff must pay attention to the problems during installation to ensure their personal safety.

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