Considering that led light may still be new to many people, we provide ten common questions and answers about led light for you to get started.
1. I have anight light in my bath room. It's an LED light if that matters. It is angeled toward the mirror.?
Does not make much difference. The mirror reflects more light than the walls, but the walls will absorb it eventually
2. I have bryant furnace and the led light does not come on, would that indicate a bad board?
willy, could be right, also, check circuit board. for fuse and, see if it is burn out. and replace
3. I need LED light strings to sew on a costume. Anyone know where to buy them online?
Try Christmas Lights Etc. They have the little lights in stock
4. Prevention Maintenance and Cleaning Tips for LED light products_Lighting Education_Blog_LED High Bay Lights Manufacturer | SUNPER LED
Just like anything else needs care and maintenance, the same way LEDs need maintenance for effective working and long lifespan. LEDs require little effort in maintenance and this is best thing about the LEDs. However, there are a few steps that can be taken in order to help maintain the quality of your products. For prevention, the following is what should be done. LED products are designed such that installation process is very easy. They are manufactured with an adhesive mounting option. In order to make sure that LEDs adhesive remain secure, surfaces should not have any dust or debris before installation process. If the surface is rough, it maybe sanded while polished surfaces may be cleaned using rubbing alcohol. Definitely, occasional interaction is expected. However, it is worth noting that LED strips comprises of delicate components that can become loose or even break if not handled well. The LED systems should be installed far from high traffic areas to prevent unexpected damages. 3. Limit exposure of your LEDs to moisture Low voltage LEDs may handle some moisture from the splatter or steam. If there is excessive or prolonged exposure to water, this may comprise the integrity of the system. Moisture reduces the effectiveness of adhesives and can also cause the LED components to break or rust. Weather resistant LEDs should not be submerged in water as well. The LED systems that are properly installed typically requires little maintenance from time to time. It is recommended to use a soft and dry microfiber cloth to avoid any material from snagging on the LED components. Over the lifetime of any LED system, the normal tear and wear may occasionally cause some connection points that may make it become loose. If the LEDs appear to be flickering or fail to turn on, make sure that all the connectors running to and fro the affected area are fastened securely. It is a bit good to have a bit of sanitation from time to time even for the most well maintained LEDs. The ones that need thorough checking are those under kitchen cabinets. Any residue or liquid is supposed to get removed immediately by using a paper towel or cloth. You should avoid using materials that may snag on the LED components. If a stain or splatter has dried, use a warm and damp cloth to dab or gently blot the area affected. Avoid scrubbing or using materials that may snag on the components of the systems. If the residue is sticky, apply a small amount of rubbing alcohol to the LED strip or use a paper towel. The harsh chemical cleaning agents that are commonly used in bathrooms and kitchens should not be applied to the LED products. This is because they contain adhesives and may cause corrosion and even fail with time.
5. why LED light has advantage of rapid reflection ,although other lights alse reflect.?
What does "rapid reflection" mean? All light moves at the speed of light in the medium, regardless of whether or not it was reflected. Basically, you question makes no sense, sorry. .
6. Is it possible to use fresnel lens(es) to focus an LED light on a headlamp
A simplistic way to think about how a single lens (focal length $f$) works is as follows.It will: 1. Focus collimated light, of a single color, to a single point located at distance $f$. 2. Focus light of a single color, diverging from a point source located at distance $2f$, to a point at distance $2f$ on the other side of the lens.The reason lasers are nice to use for focusing is that they are easy to collimate and (typically more-or-less) monochromatic. So you can easily achieve a nice, diffraction-limited spot with a single lens.If, on the other hand, you have a broadband, extended, diverging source, then focusing becomes more difficult. The primary way to achieve a small focus is to spatially filter the light by, e.g., collimating it over some distance with apertures (and throwing out all the light that's going in the wrong directions). But from what I can tell, this is not going to work for you.So, be advised that you likely can not achieve exactly what you are hoping for. However, two Fresnel lenses will definitely be better than one. Two, with a variable distance, would give you more degrees of freedom to find the optimal focus at the desired distance. Let us know how it turns out!
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