These are LED lights mounted on flexible PCBs that allow them to bend in any direction and any shape without damaging anything inside. LED strips are the most common LED strips on the market because they are in such high demand. They are mainly used for commercial signage. At home, you will find them mounted on cabinets, stairs and walls. They are also suitable for automobiles, especially in interiors. Professional photographers also use them extensively for ring lights.
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These are the opposite of flexible strips. They are a series of LEDs placed on a rigid aluminum substrate PCB. They are protected by an aluminum housing, which makes them very rigid and cannot be bent around the surface. They are waterproof and work well when installed in outdoor spaces. Rigid LED strip lights can be mounted with mounting clips and can even be hung on any hanging hook. Although they are not flexible, they do work well if all you need is a strategic light source that doesn't require much movement.
This is the type of light that is placed inside a clear silicone material that is not only flexible, but allows the glow of light to pass through a filter to produce very colored strings of light. What makes it better than a flexible tape light is that the silicone is waterproof. This allows it to be installed on any surface, you can even install it underwater in a swimming pool and turn it into a treasure trove of colorful lights. Silicone LED lights can be up to 120m long and are available in a variety of colors depending on the occasion or function you intend to use them for.
The color rendering index is important when choosing an LED strip. It is basically a lighting aspect that helps you determine how good the output will be when turned on. The metric used starts at 0 and goes all the way up to 100; the higher the number, the better the color rendering index, representing the higher quality of the LED strip. The closer it is to 100, the truer the natural colors will look in this light. If you like everything in high color, then choose an LED strip with a CRI score of 80 and above.
LED strips are available in two densities; standard density strips with 30 LEDs per strip and high density types with 60 LEDs per strip. This translates to 9 LEDs per foot and 18 LEDs per foot respectively. The higher the density, the brighter the strip and vice versa. Typically, standard density strips are used for accent lighting and in tight spaces where not much light is needed. High density LEDs are suitable for outdoor lighting or for rooms with more space.
The biggest reason people like to use LED lights is their efficiency. They save considerable energy costs and last a very long time. LED strip light add a major difference to the look of a room and are very easy to install. Many people see LED lights as the future of lighting because they are so efficient. Easy to install and more energy efficient. However, when you consider how efficient LED strip lights are, the cost is worth it. They last much longer than other types of lighting. You don't have to replace them as often. Therefore, you will pay much less in the long run.
Compared to traditional incandescent lamps, LED strips do not require a large amount of electricity. The consumption is directly determined by the length and light density of the strip. A standard 5 meter strip costs less than $3 per year to run on average. If you use LED bulbs for 10 hours a day, they can last for more than 10 years! In contrast, incandescent bulbs last only 100 days. The amount of electricity used by a bulb is measured in kilowatt hours. LED bulbs use 127.5 KWh over their 15,000 hour lifetime. incandescent bulbs will consume 900 KWh of electricity over 15,000 hours (in theory; incandescent bulbs don't last that long).
We all forget to turn off our lights from time to time, but don't make a habit of it. Leaving your LED lights on all night will eventually affect their lifespan. Installation can also affect the life of your LED strip. Any bends, creases or unusual applications can affect the diodes and circuitry. Cutting and extending the strip can also cause voltage drops and affect the quality of the strip.
Or if you do need to keep your LEDs on for an extended period of time, it's important to make sure you understand the environmental and safety risks associated with long-term use. Well-made LED lights are durable enough to be used 24 hours a day, 7 days a week. That's because, unlike traditional types of lights, LEDs produce the least amount of heat, which means they're less likely to overheat or catch fire.
Most LED strip lights have a life expectancy of 30,000 to 50,000 hours. This depends on your specific installation, the products you use, and how often you use them.
There is no "best" color temperature when selecting LED strips. This is because for each type of application, a different type of light is required. The following are the most common color temperatures and their potential uses.
· K: Ideal for bedrooms and other indoor applications where a warm, inviting atmosphere is needed.
· K: Areas that require a slightly more vibrant environment can benefit from K color temperature LED strips light. Museums, art galleries, restaurants, hotels and other high-end spaces are also excellent choices for this color temperature.
· K: Most retail installations and store interiors are a good place to install K. Often considered the midpoint between warm and cool whites, this is a good compromise if you don't like the harshness of cool whites but want to avoid too much yellow in warm white spaces.
· K: Applications that need to simulate natural daylight should use K. Film, photography and industrial applications should fall into this category.
Two factors to consider when selecting LED strip colors are color temperature and color rendering index. Cool LEDs have high lumens and can be stressful to the eyes, while warm white LEDs are pleasant and good for the eyes. The temperature range of LEDs is k, which is the natural light range and is good for the eyes.
The color rendering index shows how clear an object is in light, and good LED strips have a high color rendering index to show how an object looks in natural light. Warm white LEDs have a CRI of over 90, while cool white LEDs are over 62. Warm white LEDs provide better results for your living room or living room, while cool white LEDs are best for kitchens and dining areas.
1. LED is an electrostatic sensitive device. If you do not take anti-static measures when repairing LED strip, it will burn out the LED and cause waste. Of course, the life of the LED strip is not guaranteed.
2. If the copper wire or flexible circuit board of the LED strip is not tough enough, it will cause the LED strip to break when it is bent. This will also affect the life of the LED strip.
3. LED strips are generally powered by a constant voltage power supply (DC switching power supply). If the power supply output is unstable, or there is no surge protection, when the external network voltage fluctuations, it will output unstable voltage and current, resulting in the LED strip working at a non-standard voltage. This way will also affect its life.
4. LED is a constant current component, so the constant current effect of LED strips from different manufacturers is not the same, and the life expectancy is also different.
When purchasing and installing white LED strips, we recommend a CRI of over 80, good color rendering, and most colors will render well. Suitable for most commercial uses. Lighting with a CRI below 80 will exhibit poor color rendering. In this light, items and colors may look unsaturated, monotone, and sometimes unrecognizable, making it difficult to distinguish between similar colors. Onforu LED strips all have a color rendering index over 80, with good color rendering and most colors can be rendered well.
When installing led strip or buying led strip, users often encounter the problem of how to buy power supply, to correctly choose the matching power supply, you must have a certain understanding of the basic knowledge of the power supply, such as several key parameters of the power supply: voltage, power, current, protection level, etc. In this way, you can make sure that the power supply you buy and the LED light belt can be correctly matched.
Here we explain the relevant knowledge of power supply from these aspects and try to list some of the common specifications of the LED strip power supply, including its brand and price. I hope you can help after reading.
Usually, LED strips commonly use low voltage and high voltage, two types. Low voltage is commonly 12V and 24V, and high voltage is generally directly connected to 220V AC. However, there may be other specific points, such as 5V light belts, although less common, but some specific scenes may be used.
12V DC
12VDC voltage is suitable for short-distance, low-power LED strip lights (such as decorative lights, cabinet lights, and atmospheric lights).
12V LED Strip with obvious voltage drop (amplifier or segmented power supply is required for remote use).
The following is the commonly used 12V Mean Well power supply price reference:
24V DC
24VDC is suitable for medium- and long-distance, high-power strip lights (such as commercial lighting strips and outdoor strip lights). Low pressure drop to support longer strips (e.g., 5-10 m)
At present, SignliteLED uses the LRS series of Meanwell power supplies more, mainly because it has high stability and high cost performance.
5V DC
The DC5V can be powered directly via USB and is portable. It is mainly used for smart LED strips or miniature decorative lights. Disadvantages: low power, only suitable for short-distance use.
The 5V LED strip is generally used for the magic LED strip. SignliteLED specializes in the production of this 5V magic RGB LED strip. Interested in understanding? You can click here.
120V/220V AC
Suitable for long distances, without cutting high voltage strip lights (such as advertising signs and construction lights). No additional transformer is required, the length of a single LED strip can reach tens of meters; Easy to install. Disadvantages: low security, cannot be cut or adjusted at will length.
Selection Suggestion:
1. Home Decoration: priority choice 12V or 24V low voltage strip light, safe and flexible.
2. Commercial/Outdoor Lighting: 24V or 220V high voltage strip light is optional for long distance.
3. Smart Strip Light: Note whether it is powered by 5V USB or requires a special adapter.
Current calculation: Current (A) = total power (W) ÷ voltage (V)
For example, 12V, 50W strip light → Current ≈4.17A → The power supply must support ≥5A output.
Pay attention to the current limit (low voltage LED strip light).
Long-distance installation: If the strip light length is more than 5 meters (12V) or 10 meters (24V), it is necessary to supply power in segments or use thicker wires to avoid the end brightness drop (voltage drop problem).
Formula: Power ≥ the total power of the strip light × 1.2~1.5 times (margin)
Total strip power = power per meter x total length
For example, if you have two rolls of LED strips, each roll is 5 meters, and the power is 10W/m, then the total power is 10×5×2=100W.
Then the minimum wattage of the power supply you need is 100×1.2=120W.
The importance of margin: Avoid full power operation, improve stability, and improve life.
Power Factor (PF) is an important index to measure the active power utilization efficiency in an AC power supply system, reflecting the proportion of electrical energy that is effectively converted into actual work (such as heat, mechanical energy, etc.).
The size of the power factor (power factor) is related to the load nature of the circuit, such as the power factor of the resistance load, such as incandescent bulbs and resistance furnaces, being 1, and the power factor of the circuit with an inductive load is generally less than 1. Power factor is an important technical data of the power system.
Power factor is a factor that measures the efficiency of electrical equipment. Low power factor indicates that the reactive power of the circuit for alternating magnetic field conversion is large, which reduces the utilization rate of the equipment and increases the line power supply loss.
Low-voltage luminaires (e.g., 12V/24V supply): If an external power supply (e.g., a driver) is used, the PF requirements may be determined by the energy efficiency standard of the external power supply (e.g., DoE Level VI), which usually requires PF ≥ 0.9. Users are advised to refer to the latest Energy STAR official documents or consult a certification body to ensure that all requirements are met.
Power efficiency refers to the rate at which a power supply converts incoming electrical energy into effective output electrical energy, usually expressed as a percentage. It is an important indicator to measure the energy conversion capacity of the power supply, which directly affects the energy consumption, heating, and operating costs of the equipment.
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Formula: Power efficiency (η) = (output power ÷ input power) × 100%
For example, the output power of the power supply is 80W, the input power is 100W, and the efficiency is 80%.
By choosing efficient power supplies, users can save electricity costs and reduce equipment heating and environmental impact, especially in data centers, industrial equipment, and other scenarios.
Misunderstandings in practical application:
Indoor dry environment: IP20 or IP33 (no waterproofing required).
Wet/outdoor environment (e.g., kitchen, bathroom, balcony): Choose IP65/IP67 waterproof power supply and make sure the power box is sealed.
Two digits indicate the IP rating—the first one defines the protection against solids, and the latter one is against liquids.
Each LED power supply is marked with an IP rating.Users can choose the appropriate waterproof standard power supply according to the environment.
The dimmable LED driver allows the user to adjust the brightness of the connected LED strip light. It uses dimmer switches, remote control, or smart home automation systems. There are several common dimming methods.
A. Triac Dimming
Triac dimming has a simple structure and low cost because thyristor dimmers may only require a few components and do not require complex circuits. And widely used, good compatibility. Easy for the user to operate, smooth dimming, possible with a knob or swipe to adjust the brightness, no need for complex settings. Most popular/recognizable brands would be Lutron and Leviton.
B. 0-10V Dimming
0-10V dimming controls brightness through an analog voltage signal, and benefits include strong compatibility, smooth dimming (0-100% stepless adjustment), low cost, and simple installation.
The disadvantages are weak anti-interference ability (the signal is susceptible to interference), additional wiring is required, and single function (lack of intelligent control). It is suitable for basic dimming scenarios but cannot meet complex intelligent lighting requirements.
C. DALI Dimming
The benefit of DALI dimming is to support accurate dimming (1% accuracy), flexible control of the scene, energy saving, and high efficiency; The system is stable and strong against interference; Support multi-device interconnection and strong programmability.
The disadvantage is that the initial cost is high, and the installation and debugging are complex; Need professional maintenance; old system upgrade is difficult. The wiring requirements are strict, and the expansibility is limited.
D. PWM Dimming
PWM dimming adjusts brightness through a fast switching light source, which has the advantages of high dimming precision, energy saving and efficiency, more flexible and convenient operation, low cost, and accurate color; high-frequency PWM can alleviate stroboscopic problems, but it can still affect sensitive people.
When it comes to powering LED strips, selecting a reliable and high-quality power supply is crucial for ensuring optimal performance and longevity. Below are some internationally recognized brands known for their excellence in LED power supplies:
1. Mean Well
Mean Well is a global leader in power supply manufacturing, offering a wide range of LED drivers and power supplies. Their products are known for their reliability, efficiency, and compliance with international standards.
2. Philips
Philips is a well-known brand in the lighting industry, providing high-quality LED power supplies and drivers. Their products are designed for both residential and commercial applications, ensuring consistent performance.
3. Osram
Osram is a trusted name in lighting technology, offering durable and efficient LED power supplies. Their products are widely used in professional lighting projects worldwide.
4. Inventronics
Inventronics specializes in LED drivers and power supplies, known for their innovative designs and energy efficiency. They cater to a wide range of applications, from indoor lighting to outdoor installations.
5. Tridonic
Tridonic is a leading provider of LED drivers and power solutions, focusing on smart and sustainable lighting systems. Their products are widely used in architectural and industrial lighting.
These brands are recognized for their commitment to quality, innovation, and reliability, making them top choices for powering LED strips in various applications. When selecting a power supply, it’s important to consider factors such as voltage, wattage, and compatibility with your LED strips to ensure optimal performance.
Power product certification is a key link to ensure product safety and compliance. Through the certification of international authorities (such as CE, UL, and FCC), it proves that the product meets the standards of electrical safety and electromagnetic compatibility, which can effectively avoid safety hazards such as short circuits and overheating and reduce risks. To improve product reliability.
Choose Philips, Osram, Mean Well, and other big brands for more reliability.
Related Posts：https://www.signliteled.com/customized-led-tri-proof-light-ce-certification-low-thd/
A constant voltage LED power supply is a type of power source that provides a stable, fixed output voltage, typically 12V or 24V DC, to LED lighting systems. It ensures consistent voltage regardless of load variations, making it ideal for LEDs connected in parallel.
This type of supply is commonly used in applications like LED strips, signage, and decorative lighting, where maintaining uniform brightness is crucial. It is simple to install and cost-effective but requires proper voltage matching to avoid damage to the LEDs.
A constant current LED power supply is a type of driver that delivers a fixed output current to LED lighting systems, ensuring stable and consistent brightness. Unlike constant voltage supplies, it adjusts the voltage automatically to maintain the desired current, which is crucial for LEDs’ performance and longevity. This makes it ideal for applications where precise current control is needed, such as in high-power or series-connected LED setups.
Class I power supply and Class II power supply are classified according to the International Electrotechnical Commission (IEC) standard for the safety protection level of electrical appliances. The main difference is insulation protection and grounding.
Class I
Basic insulation + Ground protection: The device relies only on basic insulation to prevent electric shock but is connected to the ground wire through a metal housing (such as the ground wire in a three-pin plug).
Fault protection: When the basic insulation fails, the leakage current is directed to the ground through the ground wire to avoid electric shock to the user. Common equipment: refrigerator, washing machine, microwave oven, and other large household appliances.
Class II
Double insulation or reinforced insulation: The device has two separate layers of insulation (such as internal circuit insulation + external plastic housing) without relying on ground protection.
No grounding design: Two-pin plugs are usually used (such as mobile chargers and desk lamps), and safety is completely dependent on the insulation structure.
Hidden installation: Choose a compact power supply (such as adapter type), easy to hide in the ceiling or cabinet.
External installation: If space allows, choose an open power supply with a shell; pay attention to heat dissipation and ventilation.
1) Insufficient power: Too low power of the power supply will cause the LED strip light to blink or damage.
Problem solving: Calculate the total power of the LED strip light and reserve 20%-30% of the electric parking margin.
2) Voltage mismatch: too high voltage will burn the lamp bead, too low brightness is insufficient.
Problem solving: Confirm voltage (constant voltage/constant current) and current requirements.
3) Lgnore heat dissipation: The power supply should be installed in a well-ventilated location to avoid high-temperature environments.
Problem Solution: Select the protection level and heat dissipation scheme according to the environment.
4) Connection problem: the brightness of the front and back of the LED strip light is inconsistent, and the brightness is dimmed at the back.
Problem solution: the strip light connection is too long, a single low voltage strip light should not exceed 5 meters (12V) or 10 meters (24V); otherwise, it needs to be segmented power supply.
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