Question about brightness of LED lights for project in developing world

In summary, the conversation is about a solar project for the developing world and the concern is how to determine the brightness of a LED light for studying purposes. The participants suggest trying a sample before ordering and researching the lumens and angles of different LEDs to ensure enough light for safe reading. They also mention the importance of multiple light sources for softer shadows.
  • #1
Ben_Mandeville
6
0
Hi everyone,

So, I am involved in a solar project for the developing world involving solar lights. What I would like some confirmation on is how to figure out how bright a LED light is going to be?

I need the light to be bright enough for a child to study by, but unsure how to ensure this before I order product. Would a 1watt white LED light be sufficient, or is there more involved than just wattage in terms of brightness?

Any help would be much appreciated!

Thanks,
Ben
 
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  • #2
Hi Ben. http://img96.imageshack.us/img96/5725/red5e5etimes5e5e45e5e25.gif

It would be unwise to order without first trying a sample. Some LEDs will confine their light in a narrower cone. Some white LEDs give a bluish-white light, this is not so easy to read by. Multiple light sources are often preferable, these give softer shadows. Some LEDs are less efficient, so produce less light for the same power.

Sample first!
 
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  • #3
Hi NascentOxygen,

Thanks very much for your assistance! Highly appreciate it :)
 
  • #4
Manufacturers usually publish data about the lumens and angles for their LEDS. It's worth while browsing. From a health and safety point of view, it's vital to provide enough light to avoid damaging the eyes when reading for long periods.
This link could give you some ideas about what's required for kids' studies.
 
  • #5
Thank you very much, Sophiecentaur. Appreciate it :)
 

1. How do LED lights compare in brightness to traditional incandescent lights?

LED lights are significantly brighter than traditional incandescent lights. In fact, they can be up to 90% more efficient in converting energy into light. This means that LED lights can produce the same amount of brightness while using less energy compared to incandescent lights.

2. Can LED lights be adjusted to different levels of brightness?

Yes, LED lights can be adjusted to different levels of brightness. This can be done through the use of dimmer switches or by using LED lights with different wattage levels. LED lights also have the ability to produce different colors and tones, allowing for customizable levels of brightness.

3. How does the brightness of LED lights affect their lifespan?

The brightness of LED lights does not have a direct impact on their lifespan. LED lights are designed to last for tens of thousands of hours, regardless of their brightness level. However, using LED lights at a lower brightness level can help to further extend their lifespan.

4. Are there specific LED lights that are more suitable for use in developing countries?

Yes, there are LED lights that are specifically designed for use in developing countries. These lights are often more affordable, durable, and energy-efficient, making them a better option for communities with limited resources. They may also have features such as solar-powered charging, making them more suitable for areas with unreliable electricity access.

5. How can the brightness of LED lights impact the success of a project in a developing country?

The brightness of LED lights can have a significant impact on the success of a project in a developing country. Brighter lights can improve visibility, making it easier for individuals to perform tasks, study, or work at night. Additionally, the energy efficiency of LED lights can lead to cost savings for communities, making them a more sustainable and viable option in the long run.

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