A color COB linear light is a linear LED light source that uses chip-on-board (COB) technology to create colored or color-changing illumination along a strip or fixture. Instead of relying on widely spaced visible LED packages, COB designs place multiple LED chips closely together on a circuit board, which can produce a more continuous-looking line of light. Depending on its configuration, a color COB linear light may provide a single fixed color, selectable white, RGB color effects, or RGBW output with a dedicated white channel. For B2B buyers, the right choice depends on the intended visual effect, control system, installation environment, and required electrical specifications.
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COB means chip on board: LED chips are mounted closely together on a substrate and electrically connected as part of a lighting assembly. In linear products, this arrangement can help reduce the dotted appearance associated with some LED strips, although the visible result also depends on the product design, diffuser, viewing distance, and installation. A COB light may be supplied as a flexible strip or incorporated into a linear fixture, so buyers should confirm which form the supplier is offering. “Color” describes the available light output, not one standardized COB specification.
A single-color product emits one selected color, which can suit accent details or consistent branded lighting. RGB products mix red, green, and blue channels to create a range of colors, while RGBW products add a separate white channel for applications that need both color effects and white illumination. Tunable-white products adjust the white-light appearance rather than providing full RGB color; nominal options such as 2700 K, 3000 K, and 4000 K may be specified, depending on the product. Confirm the actual channel arrangement and available settings rather than assuming that all “color COB” products offer the same functions.
Color COB linear lighting is used where a continuous linear effect, colored accent, or controllable scene is part of the design. It can be considered for retail displays, hospitality interiors, entertainment spaces, architectural details, and selected residential or commercial fit-outs. The appropriate output and control method differ by use: a display shelf may need a restrained accent, while a feature wall may require color changes managed through a compatible controller. The lighting should be assessed as part of the complete installation, including the power supply, wiring, mounting surface, and any diffuser or channel.
For display cases and joinery, check the available mounting space, required beam appearance, and whether the product can be cut or connected at suitable points. In coves and architectural recesses, consider the viewing angle and distance between the light source and reflective surfaces, because these affect how evenly the illuminated surface appears. For hospitality or entertainment projects, verify that the selected controller supports the planned scenes and that operators can use the system as intended. In damp or dusty locations, confirm the product’s stated ingress protection and installation conditions rather than relying on a general description such as “indoor use.”
Buyers may encounter flexible COB LED strips, rigid linear modules, and complete linear fixtures containing COB light sources. Flexible strips can suit curved details or custom-length runs, while rigid modules or finished fixtures may provide a more defined form for straight installations. Product construction can vary by substrate, encapsulation, housing, and optical cover, so these terms should be checked against the supplier’s drawings and data sheet. A diffuser can soften the visible line, but it may also affect light output and should be evaluated in the final installation.
Color products may use different control methods, such as a dedicated controller or a system integrated with the project’s lighting controls. Confirm the control protocol, channel count, dimming behavior, and connection details before finalizing the specification. Also ask about cut intervals, maximum recommended run length, connectors, and whether separate feed points are needed for the planned layout. These details affect installation planning and should be confirmed for the specific product rather than inferred from another strip in the same category.
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A clear specification helps the project team compare products on more than appearance. Request the manufacturer’s data sheet and check the items below, including whether values apply per meter, per reel, or to a complete fixture. If a specification is unavailable, ask the supplier to clarify it before approval or purchase. Product performance and compatibility should be evaluated using the actual proposed configuration.
| Specification | What to Confirm |
|---|---|
| Voltage and power | Rated input voltage, watts per meter, and power-supply requirements |
| Light output and color | Lumens per meter where applicable, color channels, CCT, and color consistency information |
| Color quality | CRI for white output when relevant, plus any project-specific color requirements |
| Physical dimensions | Strip or fixture width, cut interval, available lengths, and mounting method |
| Environment and heat | Stated IP rating, operating conditions, and required heat-dissipation arrangements |
| Controls | Compatible controller, dimming method, wiring, and channel configuration |
Define whether the project needs a fixed color, dynamic RGB effects, RGBW flexibility, or adjustable white light. Then record the installation location, approximate run length, expected operating schedule, control platform, and desired visual result. These requirements help narrow down the product type before comparing price or requesting samples. They also give the supplier enough context to identify questions about wiring, mounting, or power distribution.
Calculate connected load using the specified wattage per meter and the planned length, then select a compatible power supply according to the product and project requirements. For example, a hypothetical 10 m installation at 14 W/m has a calculated load of 140 W before any design allowance; the appropriate supply must be confirmed against the manufacturer’s guidance and installation conditions. Do not treat this example as a universal product rating or a final power-supply recommendation. Long runs, voltage drop, multiple color channels, and the location of feed points can all affect the final wiring plan.
Where appearance is critical, request a sample or sample section and assess it with the intended controller, mounting profile, and diffuser. Review the product label, dimensional drawing, wiring diagram, and available technical data to ensure they match the quotation. For a multi-location project, clarify how the supplier identifies product revisions and manages consistency across repeat orders. A documented approval process can reduce the risk of ordering a configuration that differs from the one used during design review.
A capable supplier should be able to discuss the product configuration and identify the information needed to quote it accurately. At ENTA Lighting, we work with B2B buyers on indoor lighting requirements, including discussions about color output, linear formats, installation conditions, and project specifications. Share drawings, target lengths, preferred voltage, control requirements, and destination-market needs when requesting a proposal. We can then review the brief and confirm which details require product-level validation before an order is placed.
Before confirming a purchase, ask for the final model number, technical documentation, agreed quantities, packaging details, production schedule, and any available sample or inspection arrangements. Confirm minimum order quantities and lead times directly because they can vary with configuration, order size, and production planning. If the project has a required installation date, include it in the inquiry and request a schedule confirmation. These checks help align procurement expectations with the selected specification.
A color COB linear light is a COB-based linear LED product designed to provide colored or color-changing illumination, with options that may include RGB, RGBW, single-color, or tunable white. The best choice is the one that fits the application, control system, installation conditions, and required electrical and optical specifications. Start by defining the lighting effect and environment, then compare documented product details and confirm system compatibility. For a project quotation, send ENTA Lighting your application, approximate quantity and length, control requirements, and target schedule so we can discuss a suitable specification.
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