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Open Frame Power Supply PCB Assembly--STHL

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0102030405
LED TV Backlight Strip PCB Assembly--STHL.png

LED TV Backlight Strip PCB Assembly--STHL

LED TV Backlight Strip PCB is a specialized flexible or rigid circuit board designed for TV backlight strips, integrating evenly spaced LED chips, current-limiting resistors, and connection interfaces. It is engineered to fit the curved or flat structure of TV screens, providing uniform backlight distribution and ensuring consistent brightness across the entire display. As the core component of TV backlight strips, it supports low-voltage operation, energy-saving performance, and easy installation, widely used in LCD TVs, curved TVs, and smart TVs. Our 200+ employees optimize its circuit design for high efficiency and durability, with strict quality control to ensure no light leakage or uneven brightness.

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    LED Floodlight PCB Assembly--STHL

    Early challenges in LED Floodlight adoption—such as uneven wide-area illumination, electromagnetic interference (EMI), and inadequate weather resistance for outdoor use—have been overcome by specialized PCB assembly technologies, particularly rigid PCBs and high-precision surface mount technology (SMT). These innovations effectively enhance the stability of LED drive circuits for high-intensity flood illumination, while integrating EMI shielding layers to eliminate interference from external industrial equipment and power systems. Rigid PCBs, in particular, balance compact form factors with reliable signal transmission and efficient heat dissipation, supporting the high-power density and wide-beam design of LED floodlights without compromising illumination uniformity. This technological leap has enabled LED Floodlight PCB Assemblies to outperform traditional floodlight circuits in key areas:

    • Superior Signal Integrity

      Advanced impedance-controlled routing and ultra-low-noise PCB substrates (aluminum-core, FR-4, or metal-core PCB options) minimize signal attenuation during the transmission of high-power LED drive signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of brightness control and stable current output for high-wattage LED arrays (50W to 500W), laying the foundation for uniform wide-area illumination and consistent light distribution across large outdoor and indoor spaces. This eliminates signal crosstalk and voltage drop, ensuring each LED chip receives stable, accurate drive signals, maintaining consistent light output even under high-power operation and supporting wide-beam flood illumination needs.

    • Versatile Form Factor Adaptability

      Compliant with IEC 60598 lighting safety standards (including IEC 60598-1 and IEC 60598-2-5 for floodlights) and industrial electrical safety specifications, the assemblies adopt reinforced isolation designs (such as double-layer insulation, anti-short circuit protection, and surge protection) to prevent electrical leakage and overload risks. High-quality aluminum-core and FR-4 substrates (1.6mm thickness, 2oz copper layers) are used to adapt to diverse floodlight types and power configurations—from compact indoor floodlights to rugged outdoor units—supporting flexible modular assembly and seamless integration with industrial control systems. The conformal coating materials also ensure compatibility with various installation environments, whether outdoor landscapes, construction sites, or large indoor venues requiring wide-area illumination.

    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and waterproof conformal coatings (IP65 rating, adapted to TV internal environments) provide excellent corrosion resistance and moisture protection, essential for PCB strips installed inside TV enclosures. Combined with rigorous temperature (-20°C to +70°C) and vibration testing, as well as enhanced thermal management through optimized heat dissipation pathways and heat-conducting adhesives, the assemblies maintain stable performance during long-term continuous operation (up to 50,000 hours), complying with long-term stability and accelerated aging test requirements. They also minimize light decay, ensuring consistent backlight brightness and color accuracy throughout the TV’s service life, while meeting the photobiological safety requirements for long-term viewing.

    Key Applications Across LED TV Backlight Strip Sectors

    LED TV Backlight Strip PCB technology powers high-performance, flexible, and uniform backlighting solutions for diverse TV types, supporting high-definition display and enhanced viewing experience while ensuring compliance with international safety standards and long-term reliability.

    Consumer Home TVs

    High-precision LED TV backlight strip PCB modules, featuring uniform strip lighting and precise dimming control, integrated with TV mainboards for seamless operation. These are widely used in 4K/8K smart TVs, curved TVs, and frameless QLED/OLED backlit TVs, providing vivid color reproduction and uniform screen illumination to enhance home viewing experience, while ensuring safe blue light emission.

    Professional Monitor TVs

    In professional scenarios such as broadcast studios, medical monitors, and design workstations, the PCB assemblies power high-end TV monitors that require accurate color reproduction and uniform backlighting. The stable signal transmission and precise dimming control of the strips meet the strict professional requirements for color accuracy and image clarity, while adhering to photobiological safety norms.

    Commercial Display TVs

    Rugged LED TV backlight strip PCB assemblies, built with anti-interference circuits and durable flexible substrates, ensure stable performance in commercial display TVs used in shopping malls, hotels, and office lobbies. They support 24/7 continuous operation, maintaining consistent backlight performance for digital signage, advertising displays, and public information screens, while complying with commercial safety standards.

    Large-Size TV & Smart Displays

    Custom LED TV backlight strip PCB modules, leveraging flexible design and modular assembly, provide reliable technical support for large-size TVs (80-inch+), smart whiteboards, and video walls. They support seamless connection and uniform backlighting across large display areas, adapting to curved and irregular display surfaces, and meeting the needs of home theater, conference rooms, and public display scenarios.

    Why STHL PCBA should be your top choice for your LED PCBA needs?

    Let's explore the top 10 reasons why!

    Real Factory

    STHL PCBA is a real factory with 10,000+m² highly automated, dust-free factory，7 SMT lines, 2 DIP lines, 2 FCT lines, and 2 box building assembly lines. 

    Quality Guarantee

    We buy components from famous international platform like Mouser, Digikey, Farnell, Future, Avnet, Arrow or the agents. No components substitutes without customers approval!

    Rich Experience

    20+ years of experience in PCB & PCBA field.

    Cost Dowm

    Professional engineering team supports cost down.

    Global Sourcing

    500k parts with 100+ agents and suppliers.

    No MOQ

    No minimum order requests, we accept both prototype and volume quantity orders.

    Fully Certified

    With IATF16949, ISO9001, ISO14001, ISO13485 Certifications.

    NDA

    We ensure all of your projects documents security and sign NDA before RFQ.

    Intelligent Management

    Use Intelligent ERP system, MES (manufacturing execution system) for fast tracking.

    Fast Delivery

    Prototype orders will be fast completed and delivered, mass orders lead time is 4~5 weeks.

    About STHL PCB & PCBA

    LED PCB Assembly Revolutionizing Lighting Technology with Precision and Per (1)

    Shenzhen STHL Technology Co., Ltd. is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including product design, material sourcing, PCBA production, cable assembly, box build assembly and comprehensive testing services.

    Established in 2006, we have more than 20 years of experience in electronics contract assembly manufacturing. Currently, we employ more than 220 staff members. Our 10,000 sqm facilities include 7 surface-mount technology (SMT) production lines, 2 through hole technology (THT) lines , 2 function testing lines and 2 box build production lines.

    At STHL, we provide electronics assembly services for energy power, communications, consumer electronics, computers & storage, safety & security, commercial and industrial products. Customers mainly from United States, Brazil, United Kingdom, Germany, Spain, Italy, Poland and . As an IATF16949，ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with ROHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers wordlwide.

    Products Capability

    Items

    PCB capacity

    PCB name

    LED PCB Assembly: Revolutionizing Lighting Technology with Precision and Performance

    Material

    FR-4; High TG FR-4; Aluminum; CEM-1; CEM-3; Rogers, etc

    PCB type

    Rigid, flexible, rigid-flexible

    Layer NO.

    1, 2, 4, 6, up to 24 layer

    Shape

    Rectangular, round, slots, cutouts, complex, irregular

    Max PCB dimensions

    1200mm*600mm

    Board Thickness

    0.2mm-4mm

    Thickness Tolerance

    ±10%

    Min Hole Size

    0.1mm (4 mil)

    Copper Thickness

    0.5 OZ-3OZ (18 um-385 um)

    Copper Plating hole

    18um-30um

    Min Trace Width

    0.075mm (3mil)

    Min Space Width

    0.1mm (4 mil)

    Surface finish

    HASL, LF HASL, Imm Gold, Imm Silver, OSP etc

    Solder mask

    Green, red, white, yellow, blue, black, orange, purple

    Assembly details

    SMT and Thru-hole, ISO SMT and DIP lines

    Testing on products

    Testing jig/mold , X-ray Inspection, AOI Test, Functional test

    Quantity

    Min quantity : 1pcs. Prototype, small order, mass order, all OK

    Products Capability

    Files needed

    PCB : Gerber files(CAM, PCB, PCBDOC)

    Components : Bill of Materials(BOM list)

    Assembly : Pick-N-Place file

    PCB Panel Size

    Min size : 0.25*0.25 inches(6*6mm)

    Max size : 1200*600mm

    Components details

    Passive Down to 0201 size

    BGA and VFBGA

    Leadless Chip Carriers/CSP

    Double-sided SMT Assembly

    Fine BGA Pitch to 0.2mm(8mil)

    BGA Repair and Reball

    Part Removal and Replacement

    Component package

    Cut Tape, Tube, Reels, Loose Parts

    PCB+ assembly process

    Drilling---Exposure---Plating---Etaching & Stripping---Punching---Electrical Testing---SMT---Wave

    Soldering---Assembling---ICT---Function Testing---Temperature & Humidity

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    Digital Innovation

    APPhored (7)
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    Digital Innovation

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    Digital Innovation

    Material are (1)
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    Digital Innovation

    第24点图替换组合配图1
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    Digital Innovation

    DIP 1
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    Digital Innovation

    How to Get Started with STHL

    Ready to partner with us for your LED PCB Assembly project? Here’s how you can get started

    • Contact Us

      Contact Us

      Reach out to our sales team via phone, email, or online chat to discuss your project requirements.
    • Professional Expertise (2)

      Provide Design Files

      Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote.
    • Cost-Effective Solutions

      Get a Quote

      We will provide you with a comprehensive quote, outlining all costs and timelines.
    • Delivery

      Production and Delivery

      Once the quote is approved, our team will begin production, ensuring your PCB assembly is completed on time and to the highest quality standards.

    Make an free consultant

    Whether you need PCB Fabrication or PCBA Assembly Service, STHL delivers innovation and reliability.

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