What is the Difference: Dimmable vs Non-Dimmable Light

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What is the Difference Dimmable vs Non-Dimmable Light

With the development of society, people’s quality of life is getting higher and higher, and their requirements for lighting are also increasing. More and more occasions require Dimmable LED lighting. The rapid development of LED lighting means that a large number of IC devices are needed to provide power control for LEDs. In the current energy-saving era, switch mode LED drivers have already begun to replace high-energy consuming linear devices in order to control LED current. From flashlights to streetlights, and even scoreboards in sports stadiums, precise control of LED light output is required for these products.

Can LED lights be dimmed?

Can LED lights be dimmed

Of course you can! However, LED dimming requires a dedicated controller and there are multiple different dimming methods available. There are ways to adjust brightness by changing the resistance, and there are also ways to adjust brightness by changing the voltage. LED lights can not only adjust brightness, but also color and color temperature. You can adjust the LED lights to live in a relatively comfortable environment.

By using adjustable drivers, LED brightness adjustment can be achieved. Brightness adjustment is the simplest adjustment, and ordinary LED lights can also achieve brightness adjustment by adjusting the voltage.

The advantages of dimmable LED lights

  1. Energy saving and efficient:Compared with traditional lighting products, dimmable LED lights have higher energy-saving effects. The energy efficiency of LED lamps is as high as 80-90%, which is less than 20% compared to traditional incandescent lamps. Dimmable LED lamps can greatly reduce energy consumption.
  2. Long lifespan:dimmable LED lights have a longer lifespan, typically reaching tens of thousands of hours, far exceeding traditional lighting products. This means that places using dimmable LED lights can not only reduce the frequency of lamp replacement, but also lower maintenance costs.
  3. Adjustable brightness:Adjustable LED lights not only provide bright lighting effects, but also meet the needs of different environments by adjusting brightness. In situations where more light is needed, such as offices and study spaces, the brightness can be increased to provide sufficient illumination; In environments that require more comfort and warmth, such as family living rooms and dining rooms, the brightness can be lowered to create a more atmospheric lighting effect.
  4. Adjustable color temperature:dimmable LED lights can also achieve color temperature adjustment, from warm yellow to cool white, providing diverse lighting effects. This enables dimmable LED lights to adapt to different occasions and personal preferences, creating a more comfortable and natural lighting environment.
  5. No UV radiation:Traditional incandescent and fluorescent lamps usually produce UV radiation, which poses a certain risk to human health. Adjustable LED lights do not produce ultraviolet radiation during operation, making them safer and healthier.

How to use LED dimmer

How to use LED dimmer

LED dimmer is used to control the brightness of LED lights and provide the desired lighting effect in different scenarios. The following are the general steps for using an LED dimmer:

  1. Choose the appropriate LED light and dimmer:First, choose a dimmer that is compatible with the LED light you are using. Different types of LED lights and dimmers may have different compatibility requirements, so ensuring a match between dimmers and LED lights is key.
  2. Install the dimmer:According to the installation instructions of the dimmer, correctly install the dimmer in a suitable switch box or light fixture. Ensure to disconnect the power supply and follow safety operating procedures.
  3. Connect the power supply and lighting fixtures:According to the wiring guide of the dimmer, connect the power cord and LED light to the corresponding wiring terminals of the dimmer. Ensure that the power cord and lighting cord are connected correctly and securely.
  4. Dimmer setting:Follow the dimmer user manual to learn how to set up and operate the dimmer. This may involve using knobs, buttons, remote controls, or mobile applications to adjust the brightness of the lights.
  5. Adjust brightness:After turning on the power, adjust the brightness of the LED lights by turning the knob, pressing the button, or using the remote control. According to actual needs and personal preferences, one can choose between different brightness levels to achieve the desired lighting effect.

The function and operation method of LED dimmer may vary depending on different brands and models. Therefore, before using an LED dimmer, it is essential to carefully read and understand the dimmer’s user manual, and follow its instructions for proper operation and settings.

In addition, some LED lights and dimmers also support other functions, such as adjusting color temperature (color) or implementing scene modes. For these special features, you can follow the instructions of the dimmer to operate and adjust accordingly to achieve the desired lighting effect.

What are the types of LED dimmers

What are the types of LED dimmers

There are many types of LED dimmers, and below are some common types of LED dimmers:

  1. Impedance Dimmer:Impedance Dimmer is a traditional type of dimmer suitable for dimming incandescent lamps. It adjusts brightness by changing the relationship between current and resistance. However, impedance dimmers are not suitable for all types of LED lamps because their characteristics are different from traditional incandescent lamps.
  2. DC Dimmer:DC dimmers are suitable for DC powered LED lights and can adjust brightness by changing the magnitude of the current. This type of dimmer usually controls the brightness of LED lights by adjusting the current.
  3. Pulse Width Modulation Dimmer (PWM Dimmer):PWM dimmer is a commonly used and widely used type of LED dimmer. It controls the brightness of LED lights by changing the duty cycle of the power supply within a certain period of time. PWM dimmer can provide high-quality dimming effect, without flicker and can accurately control brightness.
  4. Voltage Dimmer:A voltage dimmer is a type of dimmer that adjusts the brightness of LED lights by changing the power supply voltage. It can control the current and adjust the brightness by changing the magnitude of the power supply voltage.
  5. Digital Dimmer:The digital dimmer adjusts the brightness of LED lights through digital control. It can be controlled through computers, remote controls, or other smart devices, and usually has more precise dimming effects and more functional options.

Different types of LED lights may require specific dimmers to achieve optimal dimming effects. Therefore, when choosing an LED dimmer, please ensure compatibility with the LED light you are using and refer to the manufacturer’s guidelines for the dimmer and LED light to obtain the best dimming performance and light quality.

Advantages and disadvantages of LED dimming methods

Advantages and disadvantages of different LED dimming methods

Pulse Width Modulation Dimming:

Advantages: Provides excellent dimming effect, no flicker, wide brightness range, and precise control of brightness level.

Disadvantage: Visible vibrations may occur at low brightness levels, requiring the use of a dedicated PWM dimmer.

Pre dimming:

Advantages: Simple and economical, no need for specialized dimmers, just use switches or knobs to adjust brightness.

Disadvantages: Limited dimming range, unable to achieve precise brightness control.

Analog Dimming:

Advantages: Smooth dimming effect, allowing for continuous dimming.

Disadvantages: The dimming range is relatively narrow, sensitivity is limited, and sometimes there may be issues with uneven brightness or flickering.

Voltage Dimming:

Advantages: Simple and easy to use, no need for dedicated dimmers, compatible with existing voltage based dimming systems.

Disadvantage: The dimming range is narrow, which may cause color temperature and color shift.

Digital Dimming:

Advantages: High precision and precise control can be achieved through digital control, providing multiple dimming modes and functional options.

Disadvantages: High cost, requiring specialized digital dimmers, and high requirements for the system.

The choice of LED dimming method should be determined based on specific needs and application scenarios. For precise dimming effects and a wide range of brightness, pulse width modulation dimming is a good choice. For some simple dimming needs, pre dimming or analog dimming may be more economical and practical. In addition, it is also very important to carefully consider the compatibility of LED lights, the requirements of drivers, and the adaptability of control systems.

Application of dimmable LED

  1. Home lighting:Dimmable LED lights are becoming increasingly widely used in home lighting. By adjusting brightness and color temperature, residents can create lighting effects that are suitable for different activities and moods. For example, when waking up in the morning, the brightness of the lights can be gradually increased to help the body adapt more easily to the light; And at night, dimming the lights can create a comfortable environment that helps to relax both body and mind.
  2. Commercial lighting:The application of dimmable LED lights in commercial places has become a trend. For example, the use of dimmable LED lights in large shopping malls and brand stores can create a lighting atmosphere that attracts shoppers and enhance the attractiveness of products. In addition, restaurants and cafes can use dimmable LED lights to create different dining atmospheres, making customers more comfortable and satisfied.
  3. Office space:In the office environment, the application of dimmable LED lights has become increasingly common. Different work tasks require different brightness levels of lighting, and dimmable LED lights can be adjusted according to the needs of employees, providing comfortable and suitable lighting effects. This helps to improve employees’ work efficiency and comfort.
  4. Hotel and tourism industry:In the hotel and tourism industry, the application of dimmable LED lights can enhance customer experience. Guests can adjust the brightness and color temperature of the lighting in the room to suit their needs. Customized lighting effects can create a warm and comfortable accommodation environment, improving customer satisfaction.
  5. Outdoor lighting: Dimmable LED lights are widely used in outdoor lighting. The brightness of LED street lights used in daily life such as street lighting and park lighting can be adjusted. The brightness of LED street lights can be increased before 10 pm when there are many people, making it convenient for pedestrians to walk together. After 10 pm, there are fewer pedestrians on the streets and in the park, which can reduce the brightness of LED street lights and reduce energy consumption.

Outdoor lighting

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Victor Guo

Lead electrical engineer with 17+ years of experience designing electrical street lighting systems, monitoring electrical-related work at site, and discussing proposal and lighting implementation options. Bachelor’s degree in electrical engineering. Knowledgeable in LED lighting design, project management, safety and compliance.
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