What is the difference between edge-lit and back-lit LED panels?
Perform well in an environment with variable voltage supply of electricity
Conventional LED lights are certainly common, but one of their major downsides is that a single failed LED can have a significant negative impact on others around. The meticulous circuit design of LED panels significantly reduces this issue. Therefore, panel lighting would be the ideal choice for a location where a steady supply of electricity cannot be ensured. Unlike with incandescent bulbs, there is no risk of overheating when using LED panels because LEDs have no thermal effect.
Perfect for installation in difficult-to-maintain locations
Acrylic is a material that can tolerate extremes in temperature and humidity. It is also resistant to many corrosive chemicals and shocks. Due to their endurance, LED light panels are ideal for installation in difficult-to-reach regions that could need the closure of a facility in order to complete a full replacement. In this case, using LED light panels will reduce overall expenditures.
What distinguishes LED back-lit panels from LED edge-lit panels?
Edge-lit and Direct-lit These days, LED Flat Panels are the fashion for updating ceiling lighting. They come in a variety of standard grid sizes, including 14, 22, and 24, and are especially well suited for replacing in-ceiling troffers. However, they are useful for more than just that. These flat panels may now be made as thin as half an inch thanks to new LED technology. This indicates that they can be suspended from cables or attached to walls, ceilings, or both. Previously unattainable adaptability is now possible thanks to new technology.
Back-lit models have a light source that passes transversely through the panel from behind. Let's say it's similar to a vintage "light box". You will need some space between the light sources and the screen in order to get a uniform brightness across its surface.
The LED chips are positioned on the inside edge of the luminaire in edge-lit variants. After that, a diffuser directs the light downward. During the early stages of the LED lighting business, the edge-lit configuration was the most widely used in the LED panel category. In terms of efficiency, there has been a divergence between the models. The panel's light source surrounds it, enters from the side, and then "breaks out" across the panel's surface. You can design the way the light escapes by applying different surface treatments to the panel. Different light emission patterns will result from scratches or texturing. When done correctly, edge lighting makes the entire structure "flatter" (needs less depth) while still providing adequate brightness throughout the panel's surface.
The natural advantage of projecting light through less material has been demonstrated by backlighting. Where unit prices are more important than operating expenses and where there is an aesthetic preference, edge-lit continues to hold a portion of the market. The actual savings, meanwhile, come from backlit panels' lower operational expenses.
Use of too few LEDs. A low number of LEDs (usually 36 or less) means that a high current must be used to drive them in order to produce the required light output. This is less effective than designs utilising more LEDs (LEDs operate most effectively at low driving currents), produces more heat, reduces the lifespan of the LEDs, and hastens the brightness degradation.
body made of plastic. Metal bodies are used in the better back-lit panels. Compared to a (less expensive) plastic body, this is a better heat sink. LEDs produce some heat, which must be removed if their lifespan is not to be further lowered.
Not overlapping dispersion of light. Each LED is individually lensed in a high-quality back-lit panel, and the lenses are created so that the light from each LED crosses over the light from its neighbours. In the case that one LED fails, this will result in an even lighting effect and some resilience. Low LED count and poor lens design are likely to reduce LED overlap and raise the possibility of bright and dark areas on the fitting's front.
Are the lenses positioned securely? Only time will tell, however there is a chance that the lenses will come out due to the heat produced by the LEDs and improper application of cheap adhesive. Uneven lighting distribution and sometimes glare will result.
Integrated driver. By integrating the driver into the body, manufacturers can reduce costs, but this has several disadvantages. There will not be any emergency or dimming choices, and it cannot be changed in the event of an issue. It is a fairly rigid strategy.
Verify the frame's corners. There will be a visible unattractive joint on the less expensive panels.
UGR 19 features LED panels that are edge- and back-lit.
Both designs can generate good UGR performance with the right front cover. Look at the UGR tables that are a part of the photometric data that should be accessible from all respectable manufacturers to compare various brands and models.
Feature:
● Shock resistance,No Uv or IR radiation, No Blinking, No Mercury & Lead free .
● There are surface mounted and recessed panel lights to choose from, Ultra thin panel light and the driver is also aconstant current driver with good quality, no flicker, and long life.
● All size,shape,color,brightness,can be customized.OEM and ODM is available.
Specification:
| Product Name: | 18W led slim panel light |
| Lamp Power: | 3W 6W 9W 12W 15W 18W 24W |
| Emitting Color: | Cold White / White / Warm White |
| Color Temperature(CCT): | 2700-6500K |
| Lamp Luminous Efficiency(lm/w): | 100LM/W |
| Color Rendering Index(Ra): | >90 |
| Working Temperature(℃): | -20 - 50 |
| Material: | Aluminum+PC |
| Voltage: | AC85-265V/AC160-265V |

