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Nano engineering to create a new generation of incandescent lamp energy efficiency higher than fluorescent and LED lamps

2017-08-17

Traditional incandescent bulbs are facing the fate of being eliminated in recent years because of their low energy efficiency and have been gradually replaced by more energy-saving or environmentally friendly bulbs such as LEDs. If the incandescent lamp is used for a long time, it will be very hot if you unscrew it from the screw. Tungsten filament bulbs use the principle of electricity and resistance to heat the fine tungsten filament to about 2700 ℃, making it emit hot light. However, in the whole process, 95% of the energy will be converted into heat, while the energy benefit of tungsten filament bulbs is only 5%, which is really wasteful. In contrast, the energy efficiency of LED bulbs and energy-saving lamps can reach 14%. MIT

Incandescent lamp technology counterattack! LED Replacement Path Add Variable

2017-08-17

Since the 19th century, the birth of the traditional incandescent light bulb is a great blessing for mankind. However, the extremely low energy conversion efficiency has gradually eliminated it, and people have begun to look for more environmentally friendly alternatives. Finally, incandescent bulbs also ushered in the spring. Scientists in the United States have invented a new type of incandescent lamp, which can use its waste heat to shine again, making effective use of energy. The researchers of the new bulb say that in today's era when traditional energy-saving lamps (compact fluorescent lamps, light-emitting diode bulbs) are prevalent, if this new technology is used to the extreme, a lot of energy can be saved. Incandescent lamp through a wire (usually tungsten) hair

Discussion on the Core Problems of LED Lighting Power Supply Design

2017-08-17

In the design of LED lighting power supply, there are several design problems: the life of electrolytic capacitor does not match with LED, the common causes and treatment methods of LED flicker, the influence of PWM dimming on the life of LED, and the potential problems of using TRIAC dimming to regulate the brightness of LED. In this paper, the causes and solutions of these problems are discussed. An important consideration for LED lighting is that the working life of the LED driver circuit and the LED itself should be comparable. Although there are many factors that affect the reliability of the drive circuit, among them

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