Circuits imprimés pour éclairage linéaire et ruban LED : moteurs grand format, cartes flexibles et rigides-flexibles

Linear lighting is everywhere modern architecture wants a clean line of light — cove lighting, under-cabinet strips, architectural profiles, display cases, signage, and the continuous runs that wrap a building’s edges. The defining challenge is length: a board that is centimetres wide and metres long has to deliver even brightness and even color from one end to the other, which is a real electrical and manufacturing problem, not just a longer version of a normal board.

Highleap Electronics est une entreprise à capacité complète fabrication de circuits imprimés sur mesure et full PCB assembly factory that builds the full range of linear formats — long rigid engines, flexible strips, and rigid-flex constructions — plus the drivers and power injection that long runs require. This guide covers what makes a linear board work over length and how to order. The wider category is on our lighting PCB factory .

What makes a linear light board different

A linear board is defined by its aspect ratio. Being long and thin creates challenges a compact board never faces: current has to travel the length of the board through copper that has resistance, so the far end can be dimmer than the near end (voltage drop); the board may need to flex or follow a curve; and manufacturing a board that is much longer than standard panel sizes takes panelization and joining strategy.

Get the electrical design right and a linear fixture is a clean, even line of light. Get it wrong and you see the tell-tale gradient — bright at the power end, dim and color-shifted at the far end. The board design, not the LEDs, is what prevents that.

Rigid, flexible, and rigid-flex linear engines

Linear lighting comes in three board constructions, and the choice drives everything about how the fixture is built and how it performs. We manufacture all three, and the deep engineering is in making each one even over length.

Rigid linear engines. For straight architectural profiles, troffers, and linear high bay, a long rigid board — aluminum noyau métallique for higher power, FR-4 for low-power indoor strips — gives the best thermal performance and the straightest line. The engineering centers on voltage drop and panelization:

• Copper sizing for length — wider and heavier copper buses so the current reaching the far LEDs does not sag, keeping brightness even end to end.
• Segmentation and joining — long fixtures are built from board segments joined with connectors or solder joints; we design the segments so the seams are invisible in the light output.
• Panélisation — efficient layout on the manufacturing panel to build long boards economically.

Flexible strips. For cove lighting, curves, and signage, a LED flexible strip on polyimide bends to the architecture. The challenges are current distribution and durability:

• Power injection — feeding power at multiple points along a long Bande LED so the middle and ends stay as bright as the feed point.
• Cut points — designed segments so the strip can be cut to length without wasting LEDs or breaking the circuit.
• Durabilité de la flexion — copper and coverlay designed to survive bending during installation.

Rigid-flex. For fixtures that need both rigid LED-carrying sections and flexible interconnects — folded modules, fixtures that wrap a corner, or designs that eliminate connectors — a PCB rigide-flex combines both in one board. It removes failure-prone connectors and lets a single board follow a complex path, which is why premium architectural and signage fixtures increasingly use it.

The reason the construction choice is a deep design decision rather than a catalog pick is that each one solves the length problem differently — heavy copper buses on rigid, multi-point power injection on flexible, integrated interconnects on rigid-flex. Choosing and engineering the right one for the fixture’s shape, power, and length is exactly the kind of call we make during the DFM review, and building all three in one factory means the recommendation is driven by the design rather than by what a single-format shop happens to make.

Addressable and RGBW linear boards

Color-changing and dynamic linear lighting adds control complexity to the board. We build the full range:

• RGB and RGBW strips — multi-channel color mixing for architectural and accent schemes.
• Addressable (pixel) boards — individually controlled LEDs for chase, gradient, and video effects, a LED haute densité layout with the control lines routed for signal integrity along the length.
• Tunable white linear — dual-channel warm/cool strips for adjustable architectural light.
• Signage and display modules — related Affichage LED boards for channel letters and digital signage.

Addressable boards in particular need careful routing of data and power along the length so the signal stays clean and the color stays consistent — design work we handle as part of the build.

Drivers and power injection for long runs

Long linear runs need power delivered intelligently, not just a driver at one end. We build the conducteurs and design the power architecture together:

• Constant-voltage and constant-current drivers — matched to the strip or engine architecture.
• Power injection design — multiple feed points along a long run so brightness stays even, with the wiring planned into the fixture.
• Gradation et contrôle — 0-10 V, DALI, PWM, and addressable controllers for the project’s system.
• Voltage-drop calculation — we calculate the drop over the run length and size copper and feed points to keep the far end bright.

Designing the board and the power delivery together is what keeps a 5- or 10-metre run looking like one even line instead of a gradient.

Linear PCB capabilities and finishes

We build linear boards across the full construction range:

The construction is matched to the fixture’s shape, length, power, and environment during the free DFM review.

One factory for the strip and its electronics

An even line of light over length depends on the board, the power injection, and the driver being designed as one. A strip shop that does not build drivers, or a driver shop that does not understand voltage drop over a flexible run, leaves the uniformity problem half-solved — and the customer sees the gradient.

Highleap Electronics builds rigid, flexible, and rigid-flex linear boards, designs the power injection and voltage-drop budget, and builds the matched drivers, all in one facility, at MOQ 1. Send your profile length, power, and color requirements to our Assemblage de PCB Contactez notre équipe pour un devis sous 24 heures.

Comment commander — Fichiers, quantité minimale de commande et délai de livraison

Ordering linear and strip boards from Highleap Electronics is simple whether you have finished files or just a profile length, power, and color spec. Every quote includes a free Design for Manufacturability (DFM) review, and our minimum order is a single unit with no prototype surcharge.

Quels fichiers envoyer

• Fabrication de circuits imprimés uniquement — Fichiers Gerber RS-274X (toutes les couches de cuivre, de masque de soudure et de sérigraphie), fichier de perçage Excellon, contour de la carte sur la couche mécanique et notes de fabrication couvrant le substrat, le diélectrique, le poids du cuivre, la finition de surface et la couleur du masque de soudure.
• Assemblage PCB (PCBA) — ce qui précède, plus une nomenclature avec les références et les quantités des pièces du fabricant, et un fichier Pick-and-Place (Centroid) pour les composants CMS.
• Électronique clé en main — Les éléments ci-dessus, ainsi que les fichiers mécaniques (STEP/DXF) relatifs au dissipateur thermique ou au boîtier, aux détails optiques ou aux lentilles, aux spécifications du pilote ou des commandes, au firmware le cas échéant, et à tout élément graphique (marque ou emballage). Si des fichiers sont manquants, veuillez nous envoyer ceux dont vous disposez ; notre équipe d’ingénieurs identifiera les éléments manquants lors de l’analyse de fabricabilité (DFM).

Quantité minimale de commande et prix

• La quantité minimum de commande est unité 1 pour la fabrication et l'assemblage, sans frais de pénalité pour le prototype.
• Des remises sur volume s'appliquent à partir de 10, 50, 100, 500 et 1 000 unités et plus.
• Nous conservons vos dossiers afin que les commandes répétées n'aient pas à demander un nouveau devis pour les coûts d'ingénierie.

Les délais

• Fabrication de PCB — 5 à 7 jours ouvrables en standard ; 24 à 48 heures en express, sous réserve de confirmation de capacité.
• Assemblage PCB (PCBA) — 7 à 12 jours ouvrables, approvisionnement des composants inclus ; 5 jours en express pour une nomenclature en stock.
• modules clés en main — généralement de 12 à 18 jours ouvrables en fonction du support, de la protection et du volume.
• Tous les délais de livraison sont confirmés dans votre devis et commencent à partir de la confirmation de la commande et de l'approbation du fichier.

Certifications et normes : ISO 9001 gestion de la qualité, IPC Classe 2 et Classe 3 Contrôle qualité, AOI et tests fonctionnels sur chaque carte, avec radiographie, ICT et tests de rodage disponibles. Nous expédions dans plus de 40 pays avec suivi complet et fournissons la documentation de conformité sur demande. Pour commencer, Envoyez vos fichiers Gerber et votre nomenclature par e-mail. et nous vous répondrons dans un délai d'un jour ouvrable.

Linear & Strip LED PCB — Frequently Asked Questions

How do you keep a long linear or strip light even from end to end?

By engineering for voltage drop. Current loses voltage traveling through copper, so the far end of a long run dims unless the board is designed for it. We size copper buses heavier, design multi-point power injection so a long bande is fed at several places, and calculate the drop over the actual run length. That keeps brightness and color even where a single-feed, thin-copper board would show a gradient.

Do you build flexible and rigid-flex linear boards, not just rigid strips?

Yes, all three. We build rigid long-format engines (aluminum or FR-4), bandes souples on polyimide for curves and cove lighting, and rigide-flex for fixtures that need rigid LED sections joined by flexible interconnects without connectors. We recommend the construction that fits your fixture’s shape, length, and power during the DFM review.

Can you build addressable (pixel) and RGBW linear boards?

Yes. We build RGB and RGBW color-mixing strips, tunable-white dual-channel boards, and addressable pixel boards with individually controlled LEDs for chase, gradient, and video effects. Addressable boards are a haute densité design where we route data and power along the length carefully so the signal stays clean and the color stays consistent over the run.

What is the minimum order for linear and strip boards?

Our minimum order is 1 unit for both fabrication and assembly, with no prototype surcharge, so you can build and evaluate a run before committing to volume. Volume price breaks apply from 10 units up, and we keep your files for fast repeat orders. Quotes come back within 24 hours of receiving your Gerbers and BOM.