LED Backlight PCB
Custom LED PCB boards for LCD backlight modules, display panels, signage, edge-lit lighting and OEM backlight applications.
What We Provide for LED Backlight PCB Projects
Casyoo manufactures custom LED backlight PCB solutions for display, signage, panel lighting and electronic backlight modules. We support PCB design review, material selection, SMT assembly, optical testing and OEM customization for stable brightness and long-term performance.
Custom Backlight PCB Design
We support custom PCB size, LED layout, current design and connector position based on your backlight module structure.
SMT Assembly for LED Backlight Boards
Our SMT lines handle small, linear and high-density LED PCB assembly with stable placement accuracy and batch consistency.
Optical & Electrical Testing
We help check brightness uniformity, current stability, LED polarity and basic light performance before delivery.
OEM Backlight Module Support
We can customize PCB shape, LED color, CCT, connector type, packaging and production documentation for OEM projects.

Typical LED Backlight PCB Types We Manufacture
Linear LED Backlight PCB

Edge-Lit LED Backlight PCB

Segmented LED Backlight PCB

Direct-Lit LED Backlight PCB

LED Backlight Module PCB

Where Our LED Backlight PCB Is Commonly Used

Consumer TVs & Monitors
Applied in large-format direct-lit and edge-lit backlight modules. Aluminium-base PCB Board with uniform LED spacing and even LED light uniformity, stable light and colour after long-term use.

Smartphones & Tablets
Used in compact edge-lit backlight displays for small screens. Ultra-thin, rigid-flex PCB design, miniaturized pitch of the LED and good heat dissipation in the limited space are the design priorities for the demands of slim, lightweight devices.

Automotive Display Systems
Powering dashboard screens, instrument clusters, and in-vehicle infotainment panels. We focus on automotive-grade reliability, a wide temperature range, and vibration resistance in PCB design.

Commercial Advertising Displays
Deployed in large LED backlit signage boxes and digital advertising panels. The design points focus on consistent brightness, long-life PCB materials, and modular designs for easy large-area tiling and field maintenance.

Medical & Industrial Equipment
Our backlight PCBs are for surgical monitors, diagnostic imaging displays and industrial HMI panels. This requires high CRI and flicker-free performance. Also needs to comply with IPC Class 3 reliability standards for long-term stable operation.

Conference Interactive Displays
Applied in classroom smart boards and corporate conference room interactive screens. It focuses on large-format direct-lit aluminum-base PCBs with uniform full-screen back lighting. The low blue light reduces eye fatigue in long-time use.
Key Design Considerations for LED Backlight PCB

Brightness Uniformity
To avoid bright spots or dark areas, particular attention must be paid to LED spacing, optical path, diffuser distance and current balance.

Compact Structure
For slim module assembly, this type of backlight needs narrow board width, low-profile components and accurate connector placement.

Optical Matching
A good light effect requires the PCB layout work well with the light guide plate, diffuser, reflector and housing structure.

Electrical Stability
The light consistent brightness needs stable current distribution, correct LED grouping and suitable connector design.

Production Consistency
For batch production, LED binning, SMT accuracy, solder quality and electrical testing are important for consistent color and brightness.
Typical Specifications & Customization Options
We customize LED backlight PCB specifications based on your module size, lighting structure, brightness target and assembly requirements.
Typical Build Options
- PCB Type: Aluminum PCB, FR4 PCB, Flexible PCB
- Copper Thickness: 1 oz / 2 oz
- LED Type: SMD 2835, 3030, 3528, 4014, 5050
- Surface Finish: HASL, ENIG, OSP
- Connector Type: Wire soldering, JST, terminal, custom connector
- Testing Options: Electrical test, polarity test, brightness check
Customizable Parameters
- Product Size
- Optic Lens
- Color
- CCT
- Connection / Cable
- Power
- Driver
- IP Rating
- CRI
- Packaging & Labeling
FAQ About LED Backlight PCB
What LED types are compatible with your backlight PCBs?
SMD LEDs (2835, 3030, 5630, etc.), COB modules, and mini-LED chips. We can design boards to your specific LED package and pitch requirements.
Can you produce LED backlight PCBs in custom shapes and sizes?
Absolutely. We build backlight PCBs in any size and shape you need. Sizes can be from small rectangular panels for computer monitors to large strips for digital signs. We offer die-cutting, edge routing, and custom connector placement.
How do you ensure uniform brightness across the backlight panel?
Uniformity is achieved through precision optical simulation during layout design, optimized LED spacing and placement, and tight impedance-matching of driver circuits to eliminate hot spots or dark zones.
Can you customize LED spacing for backlight uniformity?
Yes. We can customize LED spacing, layout, board shape and connector position according to your light guide plate, diffuser and housing structure.
Do you support edge-lit and direct-lit backlight PCB designs?
Yes. We manufacture both edge-lit LED PCB and direct-lit LED PCB solutions for display modules, signage, panels and OEM backlight applications.
Start Your LED Backlight PCB Project
Need a custom LED PCB for display backlight, signage, light box or electronic module applications? Casyoo can support PCB fabrication, SMT assembly, material selection and OEM customization for your backlight project.


