Lights on the street are part of public lighting and are controlled by the government. Therefore, a Dimmable LED Street Light source makes sense for tunnel and street lighting due to its high efficiency, environmental protection, low energy consumption, and long lifespan.
LED street lamps have numerous obvious and potential advantages compared with traditional high-pressure sodium street lamps.
1. Energy-Efficient And High-Quality Lighting
A high-power white LED Street Light for Solar currently has a luminous efficiency of over 100lm/W, and companies such as Cree and Osram Opto Semiconductors already achieved 160lm/W in the lab as early as 2009.
2. Exceptional Service Life
The life of street lights directly impacts the cost of maintaining the entire lighting system.
Currently, the lifespan of high-pressure sodium lamps is generally about 20,000 hours, but only about 5,000 hours for high-pressure sodium lamps for road lighting and 50,000 to 70,000 hours for high-power LEDs.
3. Excellent Color Rendering
The high-pressure sodium lamp is the most efficient traditional light source, but its color rendering is the worst, with a color rendering index Ra of only about 20.
People can only perceive road conditions with such poor color rendering, but pedestrians are unable to distinguish clearly.
4. The Quick Start
The incandescent lamp comes to life at one point, but it takes 0.1 to 0.2 seconds to reach full brightness. Gas discharge lamps like high-pressure sodium lamps and metal halide lamps can take up to ten minutes to get full brightness.
5. Optical Design Facilitation
A led light source can emit light in a half-plane direction and be regarded as a point light source in lamp design. Optical design can be achieved by combining lenses or reflectors to gain a better light distribution and higher lamp efficiency.
Please find out how we can help you with LED Flood Light Manufacturer and LED Street Light Manufacturer.
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