Aluminum 4014 SMD LED PCBA Rigid Bar (144 LEDs): The Backbone of Linear Light
Beautiful light starts with a good board. The Aluminum 4014 SMD LED PCBA Rigid Bar pairs a 0.2–4mm aluminum substrate with a dense array of 144 × 4014 SMD LEDs, turning bare components into a finished, ready-to-install light engine. For buyers building tubes, battens and linear fixtures, this board is the fastest route from concept to shipment.
Why Aluminum? Why 4014?
Aluminum substrates pull heat away from the LEDs far better than standard FR4, so an aluminum bar runs cooler, holds its output longer and tolerates higher drive currents. The compact 4014 package allows 144 emitters to sit on one rigid bar with tight, even spacing — the secret to seamless linear lighting with no dark spots. Boards are available in 1, 2, 4 and 6 layers with copper from 0.5 to 4oz to match the load.
6 Application Scenarios Where This Bar Pays Off
- LED tubes & battens — a drop-in light engine for T8/T5 style linear tubes.
- Commercial & office linear fixtures — continuous, glare-controlled runs for offices, retail and galleries.
- Swimming pool & damp-area lights — aluminum base plus sealed assembly suits wet environments.
- Lightboxes & signage backlight — even, edge-to-edge illumination for displays and sign frames.
- Downlights, spotlights & floor lights — a compact engine for recessed and accent fixtures.
- Smart & industrial modules — medical, intelligent-home and industrial-control boards built on the same platform.
Board Capability at a Glance
| Specification | Capability |
|---|
| Board type | Aluminum / FR4 SMD LED PCBA, rigid bar |
| Material | FR4, CEM1, CEM3, high-frequency board |
| Layers | 1 / 2 / 4 / 6 layers |
| Thickness | 0.2–4mm |
| Copper thickness | 0.5–4oz (regular 1oz) |
| Solder mask | Green, Red, Blue, Yellow & more |
| Min line width / gap | 0.15mm / 0.1mm (4mils) |
| Min drill | 0.25mm (10mils) |
| Surface finish | HASL, ENIG, OSP |
| Shape | Rectangular, round, slots, cut-outs & irregular |
One Supplier, a Whole Lighting Platform
This bar is one piece of a full assembly line-up: 2835 aluminum PCB for downlights and radar-sensor lights, 5730/5630 bulb PCBA (110V/220V, 3W/9W/18W), 5050 RGB PCBA (12V/24V, 18W), flexible 2835 FPC strip boards, 1206 power-bank modules and multilayer star PCBs. That lets a single vendor stay with a project from prototype to volume.
Why Buyers Partner with Dongguan Lanjin Optoelectronics Co., Ltd.
Behind every board is Dongguan Lanjin Optoelectronics Co., Ltd. (东莞市蓝晋光电有限公司), an LED manufacturer established in 2005 with a 2,500 m² anti-static workshop. The company holds ISO9001:2015, 2 national invention patents and 12 utility-model patents, and ships all products to EU RoHS. Its motto is straightforward: "LED lights the world, Lanjin lights your life!"
- 18+ years of LED and PCB assembly, one-stop OEM & ODM
- San'an and Epistar chips, HASL / ENIG / OSP finishing
- Free samples (1–50pcs), 5–7 day sample lead time, 2–4 week mass production
- Anti-static vacuum inner packing and standard export cartons
Designing a linear fixture or custom light engine? Send our team your dimensions, LED count, power and input voltage, and we will quote a tailored board plus free samples. Ask for the Aluminum 4014 SMD LED PCBA Rigid Bar and we will reply within one business day.
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