led linear lighting fixture-K-series

LED linear lighting fixtures:Introduction

  • What is LED linear lighting fixture
  • Background and Trends in LED Linear Lighting Fixtures
    • Background
      • Technological Origins and Early Applications
      • Market Driving Factors
    • Trends in Development
      • Integration of Intelligence and Connectivity
      • Sustainability and Environmental Upgrades
      • Healthy Lighting Concepts
      • Diversification and Customization in Design
      • Technological and Material Innovations
  • Principle of LED Linear Lighting Fixtures
  • Basic Components of Linear Lighting Fixtures
    • Light Source
    • Power Supply
    • Structural Components
    • Backup Power Supply
  • LED Linear Lighting Fixture Performance Parameters
    • Specification(K-series)
  • The Performance and Advantages of LED Linear Lighting Fixtures
    • Energy Efficiency and Energy Savings
    • Color Temperature and Color Rendering
    • Longevity and Low Maintenance Costs
    • Dimmability and Smart Controls
    • Flexibility and Customization
  • Classification and Expansion of Applications for LED Linear Lighting Fixtures
    • Indoor Linear Fixtures
    • Outdoor Waterproof Series
    • Intelligent Control Series
  • Applications of LED Linear Lighting Fixtures
    • Industrial and Production Facilities Lighting
      • Factory
      • Industrial and mining tunnel
      • Warehouse Shelf Lighting
      • Industrial Control Rooms
    • Commercial and Office Space Lighting
      • Open-plan Offices
      • Retail Stores
      • Hotels
    • Decorative Lighting
    • Agricultural Lighting
    • Architectural and Urban Illumination
    • Roads and Bridges Lighting
  • Installation Methods for LED Linear Lighting Fixtures
    • Surface Mount
    • Recessed Mount
    • Suspension Mount / Pendant Mount
  • Certification and Standards for LED Linear Lighting Fixtures
  • Post-sales Service
  • FAQs
  • LED Linear Lighting Fixture

What is LED linear lighting fixture

An LED linear lighting fixture is a linear arrangement of lighting modules joined with light-emitting diode technology-based modules or LED strips. An LED linear arrangement can have any number of light-emitting LED modules and can be mounted according to the area that has to be covered in light. The LED linear fixtures are provided in very many different sizes and shapes, some of them being narrow linear strips and others supplied in large panels. Fixtures like these contribute to general, task, and even accent lighting, with some of them realizing autonomous functional decorative light in home and office buildings. The fixtures offer efficient and long-life luminaries that are strong and versatile and outperform conventional light sources. LED linear lighting fixtures have major utilities in workplaces, retails, schools, clinics, dining outlets, and homes, serving the purpose of functional lights and enhancing aesthetics.

Background and Trends in LED Linear Lighting Fixtures

Background: Technological Origins and Early Application

Initially, the technology was so primitive that its application was only feasible to signal and display technology. With the rapid development in material science and semiconductor technology, LED luminaries improved luminous efficacy, color rendering, and stability; slowly, they have been confirmed in the lighting industry. The concept of linear lighting, therefore, took a turn into an advantage of compact LED sources, whereby they took the initiative and designed these sources in elongated shapes, meeting many demands on flexibility for lighting modern space and aesthetics.

Trends in Development

Integration of Intelligence and Connectivity

Integration and Connectivity: Meaning there will be coordination of LED linear lights with the Internet of Things technique through intelligent control, environmental perception, and data analysis. Other alternatives are smartphones or voice assistants that have automated system controls, which avidly make the fixtures adjust to brightness and colors by temperature changes that correspond with environment alterations or time and user habits. It, in turn, integrates automatically with home security devices, health monitoring, and even other systems.

Upgrades in Environmental and Sustainability

Material recyclability, tied with increased energy efficiency, should make LED linear fixtures friendlier to the environment. Such as including biodegradable materials and increasing the efficacy in luminous to reduce energy consumption: Healthy Lighting Ideas Healthy lighting is a requirement, and the LED linear fixtures will be developed in such a way that act like natural light with dynamic movements and syncs the human circadian rhythm to destroy the blue hazard, hence to create a warm environment to promote the feeling of comfort, and to raise the performance of work and living buildings.

Diversification and Personalization Requirements

The LED linear fixture shall be developed as diversified with a different appearance, color options, and customized solutions to befit multiple decoration styles of the space.

Technological and Material Innovations

Innovative light source, both of the technologies in terms of materials and that of the LED chips, meant that efficient technologies for LED chips would continue to strive for increases in light output and broaden the search for new applications of light sources:.

Heat Dissipation

Develop materials and configuration for innovative heat dissipation to realize a high-power LED fixture that works stably for a long while. The continuous practical innovation in power management technologies is pursuing technological growth, including digital power control and intellectual dimming technology, to enhance efficiency further.

LED Linear Lighting Fixtures Principles

Several critical principles are associated with the technology that goes into LEDs. LED is an abbreviation that is given for the term Light Emitting Diode. This solid-state semiconductor device can directly convert electrical energy to light. The core structure comprises a P-type semiconductor and an N-type semiconductor, which contact to form a P-N junction. When this is done, the electrons shall jump to the P-side, and the holes shall jump to the N-side. When they reach the P-N junction, they are going to recombine. During all this, energy packets known as photons will be released, thereby creating light. The color of LED is based on the band-gap width of the semiconductor material. There are three material types, and they emit light at varying wavelengths. So it is with the use of optical lenses, reflector cups, diffusers, and other means for control regarding the inner optical design, together with an LED light source, which will give the uniformity of light distribution and directionality of the emitting light from an array of various kinds of luminous effects. LED linear fixtures usually have specially designed lenses or reflectors that create an impact of uniform, wide illumination or focus light. Its color temperature can be variable, from cool white to warm white, to meet the lighting effect according to the atmospheric requirement, meaning its spectrum output is variable.

Essential Elements of Linear Lighting Fitings

Light Source:

Normally, the core of LED linear fittings is made with tens of pieces of highbay LED chips to achieve the desired luminance and length. Light sources: The Selection and arrangement of LED light sources directly influence the luminous efficiency and evenness of the luminaire.

Power Supply:

It continuously supplies current to the LED to give smooth and stable light. Common driving ways are constant current driving and pulse width modulation (PWM) dimming. A high-level power supply has high conversion efficiency to save energy and has overvoltage and overheating protection to prolong the life of the fixture.

Other Structural Components:

Other structural components of a fixture would include housings, heat sinks, or mounting brackets. Most housings would be made of aluminum alloy or PC materials. They offer a way to protect the inside electronic components from outside environmental interference while giving appropriate pathways to transfer out the heat. Heat sinks are also crucial because LEDs produce heat while working. A good heat dissipation design would avoid light decaying because the high operating temperature would cause a low lifespan.

Emergency Lighting Systems:

This is a generic configuration and applies to every LED linear fixture. Examples are emergency lighting setups, where batteries or capacitors are put in place to act as backup sources, ensuring the lighting is maintained in place even if the principal power source is disconnected.

LED Linear Lighting Fixture Performance Parameters


Rated Power 20W 36W 44W
Install Surface Mount/Suspended/Linkable
Protection Rating IP66 IK10
Housing PC+AL
Optics PC Milky Diffuser
Connection Type Quick Terminal Block(Push) or Linkable
Operating Temperature -20℃ to 40℃
Warranty 3 Years
Dimming (Option) Microwave Sensor - 3 Stepped Version(100%-20%-OFF)
Luminous Efficacy 120-140lm/W
CCT 3000K/4000K/5000K/6000K
CRI >80
Beam Angle 120 degree
Input power Supply AC220-240V/50-60HZ
Power Factor 0.9
Lifespan@Ta25°(L70) 54,000 hours
Electrical Classification Class II
Package Dimensions 655*89*65mm 1255*89*65mm 1555*89*65mm


Performance and Advantages of LED Linear Luminaires

Energy Efficiency and Energy Savings

High Energy Efficiency: The energy conversion efficiency of LED linear luminaires is much more than any traditional lighting technology. With highly advanced COMLED Technology, the obtained efficiency is more than 100 lm/W with all LED luminaries. Some LED batten lights can even exceed 220 lm/W, which means they can give high brightness levels with low power consumption.

Energy-Efficient: Being ultra-energy-efficient, LED luminaries save immensely on the power consumption required to run them. This translates into significant savings on electric bills for residential, commercial, and industrial users and also significantly contributes to further reduction in carbon emissions, which makes a significant impact on the preservation of the environment.

CCT and Color Rendering

Over a Wide Range of Color Temperatures: The color temperature of these LED line lamps spans a wide range, from warm white at about 2700 K to cool white above 6500 K. This is to cater to similar lighting needs and ambiances in the surroundings. For instance, customers may want warm tones for an in-home location with the luminaire and cool white tones for offices and shops.

Better Color Rendering: Light fixtures are all embedded with a high CRI ranging from >80 to >90, and for some, it exceeds >90, therefore ensuring that the actual colors of the objects are well brought out. This is of tremendous importance, more so in retail displays, art exhibitions, and medical lighting.

Long Lifespan and Low Maintenance Cost

Long Lifespan: The typical lifespan of COMLED LED luminaries is over 50,000 hours, several times longer than traditional lighting products. Therefore, the replacement rate is reduced, resulting in low maintenance costs. That, with the high failure rate, is in itself a high return on investment for a long time.

Dimmability Options and Smart Controls

Flexible Dimming Functionality: LED luminaires will typically support different approaches in dimming, ranging from elementary manual or wall dimming to relatively sophisticated DALI, DMX, 110V, or PWM. All this is to regulate light intensity and create an atmosphere of light to appropriate levels.

Smart Home Integration: The LED luminaires can easily couple with smart home and intelligent building systems that provide users with remote control, preset scenes, scheduling, and lighting automation through wireless communications technologies, including WiFi, Bluetooth, and Zigbee, hence increasing the convenience and comfort.

Flexibility and Customization

Diverse Designs: The LED linear luminaires are capable of being flexible in terms of shape, size, and ways of mounting, thus customizing the fitting to diverse spatial designs from straight and curved to recessed and more.

Optical Designs May Exhibit Flexibility: Different lens and reflector designs create directional light, diffused light, even light, and other kinds of light effects that can be used to meet broader requirements in different environments.

Classification and Application Extension of LED Linear Lamps

Indoor Linear Fixtures

Recessed Series: Besides ultra-thinness and high brightness, it is also with concealed installation and has a space-saving advantage; it usually applies in modern minimalist interior decoration.

Pendant Series: The pendant series could apply to a versatile lighting-demand place or a place where the style has to display the depth of space. By adjusting the height and angles of the light, various vision effects could be carried out.

Outdoor Waterproof Series

Wall-mounted Linear Light: Besides outdoor wall illumination, this Linear light could be served in parking lots, entrance pathways, and other esteemed places. At the same time, its durability could be adapted to harsh circumstances.

Floodlighting Series: It is well known for wide beaming and available lighting for extensive areas, and most of the lightings are attached to significant public buildings and sports stadiums for exterior wall lighting, as it accentuates architectural structure and textures.

Smart Control Series

Dimmable Linear Light: WiFi/Bluetooth control and system control can be used to set scenes, such as working mode, rest mode, and user-specific needs. Linear sensor lights cover not only the human body; the sensing also covers the light, with the brightness automatically controlled as the environmental light changes, even with voice control, to instantly react in areas such as corridors and bathrooms, among others, to realize further and bring the best out of saving energy.

Applications of LED Linear Lighting Fixtures

Industrial and Production Facilities Lighting


Factory Production Areas: The high-luminance LED linear fixtures are installed on top of the production lines to have the detailing in the production process evident. They help in precision assembly and quality inspection areas. The LED lights of high CRI help identify color correctly and can implement effective quality control on the product.

Service and Inspection Zone: Locally increased luminance levels, characterized by linear LED work lights, adjustable at different angles to allow the technicians to have light with a good focus, with no glare, hence being able to make careful repairs or inspect equipment.

Industrial and Mining Tunnel Passageways and Work Areas: Unique environments for the application of mining tunnels. These are above IP65 waterproof and dustproof specifications, with an impact-resistant and firm structure. It can be kept in dusty and high-humidity environments for prolonged periods while providing stable, uniform lighting to ensure safety for workers' passage and efficient operation.

Emergency Lighting: During an emergency, LED linear fixtures with battery backup will automatically activate the driver in the loss of utility power and provide adequate light to support the occupants' exit from the emergency space.

Warehouse Shelf Lighting

Dynamic Warehousing: LED fixtures with narrow spread beams may be positioned at all the shelf levels in a highly controlled way. It maximizes the visibility in the vertical field and reduces any issue of glare on the floor, thus making picking and stocking quicker and less challenging.

Intelligent Control: Illuminance could be determined within the warehouse according to the load activities and the prevailing natural lighting conditions, with luminaires readjusting light output through sensors and control operations to switch loads either on or off.

Industrial Control Rooms

Continuous Lighting: LED linear fixtures have luminaires that provide a soft source of light that is flicker-free and even, which significantly contributes to an increase in the light environment for computer screens and electronic devices, reducing disturbance. The source does not radiate much heat, hence reducing the cooling load for the room.

Emergency Indicators: Red LED linear light fittings should be provided at the following places to guide the people in times of emergency; a fast flow cycle to be encouraged but in an atypical way, by the Fire safety standards.

Commercial and Office Space Lighting

Open-plan Offices

Personalized Lighting Solutions: The light of the working zone can be controlled by employees through the use of dimmable LED fixtures and intelligent control devices and systems via personal terminal by their work rhythm, enhancing job satisfaction and productivity.

Retail Stores

Highlighting Lighting: In specialty product, the shelving of specialty products, or the new product display areas. In the showcase, the spotlight fixture from the LED linear lights for highlighting lighting can attract the customer—the result of the product display.

Ambient Lighting: The intelligent control of color and brightness is achieved to bring a festival promotion atmosphere and enhance shopping experiences to arouse the desire to buy.


Multi-purpose Halls: LED linear fixtures, assembled with scene presets, can quickly shift between different lighting modes to be in tune with the various themes for different instances like a meeting, banquet, leisure, etc, thereby making the space multifunctional.

Room Lighting: Soft LED linear wall lights or bedside lights bring warmth and comfort to live in, combined with motion or sound control, enhances guests' convenience.

Decorative Lighting

Outline Lighting: Such as ceiling edges, artwork edges. Features: Flexible and cuttable, RGB color-changing, with an atmospheric function. They have hidden backlighting for TV walls, display cabinet backs, and visual layering. Other features include ultra-thinness and uniform light, with no glaring design.

Agricultural Lighting

Plant Growth Light: Availed in design purposes, made for greenhouses and vertical farms fitted with natural spectra and improved plant photosynthesis. Features include full spectrum regulation, high photosynthetic efficiency, saving energy costs while increasing crop yield, and bettering quality.

Architectural and City Lighting

Architectural and Urban Illumination: It aims at highlighting architectural forms of buildings and interior decorative lines, therefore making night city landscapes better and raising the beauty and recognizability of objects.

Road and Bridge Lighting

The field supplies long-distance and intense lighting with even light distribution to ensure smooth movement.

Installation Methods for LED Linear Lighting Fixtures

Surface Mount:

Surface mount is one of the most direct and straightforward installation methods, suitable for almost all flat surfaces, including ceilings, walls, or brackets. This installation method typically involves securing the fixture directly onto the surface using screws or other fasteners, without the need for cutting or grooving, making it quick to install with minimal alteration to existing structures. Surface-mounted LED linear lights are suitable for both temporary lighting solutions and permanent installations where minimal modification to the architectural structure is desired.

LED Linear Lighting Fixtures Surface MountRecessed Mount:

Recessed installation involves fully or partially embedding the fixture into the ceiling or wall, resulting in a visually concealed and integrated appearance that maintains the cleanliness and modernity of the space. Recessed LED linear fixtures typically require pre-designed installation positions and corresponding structural preparations during construction, such as grooving and installing backboxes, followed by securing the fixture within. This method is particularly suitable for commercial or residential projects seeking a minimalist style and frameless effect.

Suspension Mount / Pendant Mount:

Suspension mounting involves suspending LED linear fixtures below the ceiling using rods, chains, or steel cables. This installation method allows for flexible adjustment of the fixture's height, creating rich layers and focal lighting effects, making it particularly suitable for areas such as production lines, restaurants, and art galleries that require ambiance emphasis or area lighting. Pendant fixtures can also adjust their length to accommodate spaces of different heights, enhancing design flexibility and aesthetics.

Certification and Standards for LED Linear Lighting Fixtures

Compliant with CE, ROHS, SAA, and C-Tick (RCM) certifications.

Adheres to safety standards set by the International Electrotechnical Commission (IEC).

Post-sales Service

COMLED provides industry-leading warranty service for its LED linear lighting fixtures. Depending on the product model and series, we offer a comprehensive warranty period of 3 to 5 years. During this period, any product failure caused by material or craftsmanship defects will be repaired or replaced free of charge.

We understand the importance of quality service to our customers. Whether it's technical consultation, installation guidance, or troubleshooting, our professional customer service team will respond promptly to ensure your issues are resolved in a timely manner. Whenever you encounter difficulties, simply contact us through our official website, customer service hotline, or email to get assistance.

Recognizing the uniqueness of each project, COMLED offers customized lighting fixture services. Our professional team will tailor the most suitable LED linear lighting solution based on specific customer requirements, including but not limited to luminous efficiency, installation environment, energy efficiency goals, and budget constraints. From fixture size, power, and color temperature adjustment to control system integration, customization is available to ensure that the lighting design meets both functional and aesthetic requirements, adding highlights to your project.



What are the differences between linear lights and track lights?

Linear Lights: These are elongated fixtures that provide uniform illumination across wide areas. They can be surface-mounted, recessed, or suspended and are commonly used for ambient lighting, task lighting in workspaces, or accent lighting in architectural features. Linear lights can take the form of LED strips or more structured linear fixtures, offering flexibility in terms of length, color temperature, and brightness.

Track Lights: Track lighting systems consist of tracks or rails along which individual light heads (often spotlights) can be independently installed and directed. This system offers versatile functionality in aiming light at specific objects or areas since each light head can move, rotate, and tilt along the track. Track lights are commonly used in galleries, retail spaces, and kitchens where concentrated illumination is needed for artwork, merchandise, or work surfaces.

What are the dimensions of linear LED lights?

There are no standard dimensions for linear LED lights as they are designed to adapt to various applications. Sizes range from 2 inches, 4 inches to as long as 5 feet, and can be customized in length for specific projects. Width and depth also vary based on design and intended use, with slender profiles suitable for discreet installations and larger sizes suitable for high-output applications.

Are LED lights linear loads?

In electrical engineering terms, a "linear load" refers to a device that draws a current proportional to the voltage applied and exhibits a linear relationship. Most simple resistive loads (such as incandescent bulbs) are considered linear. However, LED lights are not strictly linear loads because their current-voltage characteristics are nonlinear due to the diode nature of LEDs. LED drivers or power supplies are typically used to convert and regulate the input AC power to a constant current or voltage suitable for LEDs to ensure efficient operation.

what is linear led light bar troffers?

Linear LED light bar troffers are lighting fixtures designed for drop ceilings or suspended grid ceilings. They consist of a rectangular housing that fits into the ceiling grid, typically measuring 2 feet by 2 feet or 2 feet by 4 feet. Inside the housing, there are multiple rows of LED light bars arranged in a linear fashion.

These troffers are characterized by their slim profile and uniform illumination, making them suitable for various indoor applications such as offices, classrooms, retail spaces, and healthcare facilities. They offer energy efficiency, long lifespan, and often come with features like dimming capabilities and color temperature adjustability to meet different lighting requirements.

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