Cob lamp

Types of COB Lamp

LED lamps using chip-on-board technology are known as COB lamps. They are widely used in different lighting applications because they are energy efficient and have a long lifespan. Their different types differ in shape and size according to various uses.

COB LED light bulbs are the most common. They are designed like conventional incandescent bulbs. The size and shape of incandescent bulbs are familiar to consumers. They can be used in places where users need the same appearance as traditional bulbs. The COB LED light bulbs have a thread design that makes it easy to screw them into the light fixtures. They come in different sizes, such as E27, E14, B22, and so on.

COB LED downlights are another type. They are installed in recessed lighting. These include ceilings in offices, homes, shops, and so on. These downlights provide focused lighting. They use the chip-on-board technology that offers high brightness. Moreover, they consume less power than traditional LED lighting. The downlights are available in different diameters. They also come in different color temperatures, such as warm white, cool white, and neutral white.

COB LED flood lights are another type. They are designed for outdoor use. The floods lights have a large illuminated area and a high lumen output. They are used in industrial areas, sports stadiums, and commercial parking lots. The lights are made to withstand harsh weather. They have an aluminum body that dissipates heat and extends its lifespan. The lights are installed in places that require high-visibility lighting.

There are also COB LED work lights. They are portable and designed for temporary lighting. The work lights are mounted on a tripod or a magnetic base. They are used for emergency lighting in construction sites and other areas. The lights have a battery-powered option that makes them easy to move from one place to another.

COB strip lights are flexible and come with a self-adhesive backing. They are installed in areas where traditional lighting cannot fit. The strip lights are used for accent lighting in shelves, kitchens, and under cabinets. They are energy efficient and consume less power. The strips are available in different lengths and numbers of LEDs per meter.

Functions and features of Cob lamp 2

COB LED lights have several important characteristics and functions. They are known for their energy efficiency, high brightness, and long lifespan. Below are some of the features and functions of COB lamps:

• High Luminous Efficiency

  The COB LED lamp is characterized by a high luminous efficacy of about 150lm/W. This contributes to their energy efficiency and high brightness. The light produced is more concentrated and brighter than the traditional LEDs.

• Compact Design

  These lamps have a small chip size. The chips are closely packed together. This allows for the design of light fixtures in small sizes.

• Uniform Light Output

  The lamps provide a uniform light output. This helps in reducing shadows and creating a more pleasant and comfortable environment. The light is consistent, and it reduces hotspots and areas with low illumination.

• Long Lifespan

  COB lamps have a long operational life. Normally, they can last for about 30,000 to 50,000 hours. This is a significant time compared to traditional bulb types. The long lifespan reduces the need for frequent replacements, which in turn saves costs and promotes convenience.

• Directional Lighting

  The design of the COB LED lamp allows for the directional lighting of the beam. This helps in minimizing light loss and maximizing the efficiency of the lumens. The directional lighting feature is important in applications that require focused illumination.

• Low Heat Emission

  COB lamps emit very low heat. This is important because it improves the energy efficiency of the system. Low heat emission allows the COB LEDs to operate at high levels of efficacy. Additionally, low heat emission improves the safety of the device and protects it from any potential damage.

• Dimmability

  COB lamps can be dimmed. This allows the adjustment of brightness levels according to the needs and requirements of the users. Dimming the light can also save energy and increase the lifespan of the lamp. Dimmable COB LEDs are important in applications where ambient light is required.

• Wide Spectrum

  Some COB LEDs have a wide spectrum. This allows for the customization of light for different applications. The wide spectrum is useful in horticulture and other industries.

Scenarios of COB Lamp

COB lamps can be applied in different industries and usage scenarios. Some of the common ones are as below:

• Automotive Lighting

  COB lights for cars are commonly used in automotive lighting. For instance, in car headlamps, brake lights and indicators. They provide a powerful illumination. At the same time, they enhance the visibility and safety of the drivers and other road users.

• Commercial Lighting

  COB lamps are popularly used in commercial settings. For example, in retail stores, malls, restaurants and offices. They provide high-quality and bright lighting. This creates a welcoming ambience. At the same time, it enhances the visibility of the products displayed.

• Outdoor Lighting

  These lamps can also be used in outdoor lighting applications. For instance, in garden lights, street lights and park lights. They provide a powerful and consistent illumination. This improves the security and visibility in outdoor spaces.

• Industrial Lighting

  COB lamps are ideal for industrial lighting applications. For example, in factories, warehouses and workshops. They provide a bright and efficient lighting. This improves the productivity and working conditions in these spaces.

• Smart Lighting

  COB lamps can be integrated with smart lighting systems. For example, in automated homes and smart offices. This allows for remote control and customization of the lighting. For instance, through smartphone apps and voice commands.

• Architectural Lighting

  These lamps can be used for architectural lighting applications. For instance, in highlighting the features of buildings, monuments and landscapes. They provide a focused and adjustable lighting. This creates aesthetic and dramatic effects.

• Medical Lighting

  COB lights are used in medical lighting applications. For example, in surgical rooms and examination areas. They provide a bright and consistent lighting. This ensures accurate and detailed visualizations.

• Emergency Lighting

  Some COB lamps are designed for emergency lighting applications. For instance, in exit signs, backup lights and emergency kits. They provide a reliable and powerful illumination in emergencies. This ensures the safe evacuation and visibility.

How to Choose a COB Lamp

When choosing a COB LED light, consider the following factors:

• Brightness

  Brightness is measured in lumens. A lamp with high lumens will produce more light than one with low lumens. The lights' use will determine the required brightness. For instance, in ambient lighting, low brightness is enough. But in working areas like kitchens and garages, more light is needed.

• Color temperature

  The color temperature determines the light's warmth or coolness. Warm white is between 2700k-3000k. This is ideal for cozy and relaxing spaces like bedrooms and living rooms. Cool white ranges from 3500k-5000k, suitable for task-oriented areas like kitchens and offices. Neutral white is 4000k and can be used in places like dining areas. The choice depends on the intended atmosphere.

• Energy efficiency

  COB lamps are known for their energy efficiency. Choosing an LED lamp with an energy efficiency rating will save more on energy bills.

• Lifespan

  COB LED lamps have a long lifespan, but it varies with brands. Choose a brand with a long lifespan to minimize the frequent need for replacements.

• Compatibility

  The existing lighting system will determine how the COB lamp is integrated. Consider its compatibility with dimmer switches and other lighting controls.

• Quality

  Not all COBs are made the same. Factors like the number of manufacturers' chips, the quality of materials used, and the thermal management, affect the light's performance and longevity. Always choose a lamp from a reputable manufacturer.

• Design

  COB LEDs have diverse designs, such as light panels and strips. Choose a design that complements the space's aesthetics and meets its functional needs.

• Beam angle

  The lamp's beam angle determines the light's spread. A narrow beam is for highlighting features like artwork. A wider beam is for general illumination.

cob lamp_2 Q&A

Q1: What does COB mean in LED lights?

A1: In LED lights, COB means chip-on-board. This technology involves packaging multiple diode chips into a single board. The board is then mounted on a heat sink, which helps dissipate the heat produced during operation.

Q2: Are COB LEDs better than other LEDs?

A2: Whether COB LEDs are better than other LED lights depends on the intended use. COB LEDs provide a brighter and more uniform light. However, other LEDs, such as SMD, are more flexible and can be used in various applications.

Q3: How long do COB LED lights last?

A3: LED lights can last up to 50,000 hours. This means they can last for about 5 years if used 10 hours a day. The only downside is that their brightness gradually dims over time.

Q4: Do COB lights use more power?

A4: No. COB lights use less power. One of the main advantages of COB LED lights is their low power consumption. They convert a higher percentage of energy into usable light. As a result, they have a lower energy wastage rate.

Q5: What are the disadvantages of COB lights?

A5: The only disadvantage of COB lights is that they produce a lot of heat. Unlike other LED lights that operate at cool temperatures, COB lights generate a lot of heat. That is why they have to be mounted on a good heat sink to dissipate the heat when it's being used.