The invention of incandescent light bulb by Thomas Alva Edison and his team, was one of the greatest invention in the history. After continuous research on the bulbs, scientist have discovered that LED and CFL bulbs are far better than the incandescent ones. When it comes to making choice in bulbs, LED bulbs are much more efficient than CFL bulbs in terms of power consumption and life years, but at the same time, their cost is high.
Heat is the enemy of LED light bulbs. Though the LED bulbs may have a similar shape to incandescent or fluorescent light bulbs, the LED chips inside the bulb aren’t that different to the chips in your laptop or other electronics. For this reason they can’t be used in microwaves or ovens, and some of the larger LED bulbs may utilize a passive heat sink or internal fan to keep the electronics from overheating.… Read More
Both Metal Halide and High Pressure Sodium bulbs are part of the HID family of bulbs. The primary visual difference between them is that metal halide light is white and the light emitted from a High Pressure Sodium bulb is amber orange. The lamp works by creating an electric arc through vaporized sodium metal. Other materials and gases are used to help start the lamp or control its colour.… Read More
A street light, light pole, lamppost, street lamp, light standard or lamp standard is a raised source of light on the edge of a road or path. When urban electric power distribution became ubiquitous in developed countries in the 20th century, lights for urban streets followed, or sometimes led.
Many lamps have light-sensitive photocells that activate the lamp automatically when needed, at times when there is little to no ambient light, such as at dusk, dawn, or at the onset of dark weather conditions.… Read More
LED streetlights are great for the environment. They consume much less energy than standard high-intensity discharge (HID) lights, last three times longer, and they reduce greenhouse gas emissions and maintenance costs. In general, LED lights also contribute less to light trespass because they emit direct illumination. Because of all their great qualities, many cities have started to convert from HID to LED streetlights.… Read More
Solar power is getting increasing popularity as a dependable source for street lighting all over the world. Some of the benefits associated with solar street lights include reduced dependence on conventional energy, conservation of energy and less reliance on the national grid. In countries experiencing abundance of sunlight, solar lights are the best option to illuminate the streets, garden, parks and other public spaces.… Read More
Lux is used to measure the amount of light output in a given area – one lux is equal to one lumen per square meter. It enables us to measure the total “amount” of visible light present and the intensity of the illumination on a surface. Thus, it is important in what direction the light source shines.… Read More
LED lighting offers many benefits and features that were difficult, if not impossible to offer with other lighting technologies. Many of the obvious benefits, such as substantial operating energy and cost reductions, longer life, and lower overall heat generation are generally well known. Another feature that allows for dramatic appearance and productivity benefits now and in the future, involves the color temperature of the light produced by LEDs.… Read More
Now the led street light has great optics and lense, the number of led watts is different from the traditional high-pressure sodium lamp wattage, such as high-pressure sodium lamp 100w, equivalent to led36w, 150w equivalent to led 60w and so on. Commonly used led wattages are: 5w, 10w, 15w, 20w, 30w, 40w, 50w, 60w, 80w, 100w, 120w, of which 60w or less is for ordinary LED lighting, 60w or more for mirror or lens.… Read More
There are many different types of street lights in lighting field. A street light is a Luminescent lighting system which is used on roads, streets and public squares. It usually starts to shine at night or in the dark, and goes out after dawn.
The basic function of street lamp is illumination, it also can be applied to Art Work, Landmark, Signpost, Telephone Booth, Message Board, Mailbox, Advertisement Lamp Box, etc.… Read More