COB High Density
RGBCCT COB LED Strip Light 840 Chips/m 16W DC24V Cuttable App Control
DC24V
840 Chips/m
RGBCCT 5-in-1
Dotless
Factory Direct Catalog
High-Performance RGB & Smart LED Strip Solutions
Engineered for global wholesalers, distributors, lighting designers, and commercial project contractors.
IP66 Waterproof
High Density 240LED/M 24V Flexible Strip IP66 Remote App/Voice Control
DC24V
2200-6500K
SMD2835
IP66
Smart WiFi
24V WiFi LED Strip Light 100 LEDs/m SMD2835 CRI90 App Touch Control
DC24V
CRI 90+
Tuya/WiFi
Indoor IP20
Stone Backlight
5050 RGBCCT Slim LED Sheets DC24V Flexible Panel Light for Stone Backlighting
DC24V
RGBCCT
Free Cutting
CE / RoHS
Countertop Light
CE RoHS RGBW LED Light Sheet Backlight Panel IP54 DC24V for Translucent Stone
DC24V
RGBW 4-in-1
IP54
Uniform Beam
IP67 Waterproof
DC 24V RGB COB LED Strip 10mm 672 Chips/m Flexible IP67 Waterproof Tape
DC24V
672 Chips/m
IP67 Silicone
3oz Copper FPC
Extra Long Roll
Flexible Extra Long LED Sheet DC24V 528 LEDs 3000K-6000K for Marble Lighting
DC24V
528 LEDs
Dual CCT
No Voltage Drop
RGBCW Spectrum
RGBCCT Flexible LED Sheet Backlighting RGBCW DC24V 360 LEDs Warm/Cold White
DC24V
RGBCW 5-in-1
360 LEDs
Architectural
15+
Years Engineering Focus
5,175 m²
TÜV Audited Facility
840 Chips
Max FCOB Density / M
99.8%
QC Pass Rate (ISO9001)
Executive Sourcing Whitepaper: The Evolution of RGB & RGBCCT Flexible LED Systems
The commercial LED lighting sector is undergoing a structural transition. Architectural specifications are moving away from traditional discrete Surface-Mount Device (SMD) linear tapes toward Flip-Chip On Board (FCOB) continuous phosphorus arrays and matrix-addressable flexible LED sheets. As global importers, B2B wholesalers, and lighting engineering contractors re-evaluate supply chain reliability, selecting an established Chinese OEM/ODM factory with verified manufacturing standards is paramount.
Information Gain Insight: Unlike standard SMD flexible strips that exhibit visible "hotspots" when installed in shallow aluminum profiles (under 10mm depth), modern 24V FCOB tapes utilize flip-chip die bonding directly onto a 3oz copper FPC. Covered by a linear silicone phosphor matrix, FCOB achieves seamless 180° light distribution with zero light spotting, superior thermal dissipation, and elevated color fidelity (CRI Ra > 90 / 95).
Photometric Precision & Color Engineering (CRI, SDCM & Spectrum Tuning)
In luxury hospitality, high-end retail, and translucent stone backlighting, spectral quality dictates architectural aesthetics. Professional buyers must audit three critical optical parameters when evaluating wholesale LED manufacturers:
MacAdam Ellipse Binning
Enforcing 3-Step MacAdam Ellipse (SDCM < 3) guarantees strict color consistency across multiple production batches. Eliminates CCT shifts between neighboring reels in large installations.
Extended Spectrum RGBCCT
Combining RGB diodes with dedicated Warm White (2700K) and Cool White (6500K) chips on a single die creates a 5-in-1 system capable of saturated color creation and tunable functional white illumination.
High CRI Ra > 95 / R9 > 80
High Color Rendering Index ensures skin tones, organic marble textures, and interior finishes retain their natural depth without spectral distortion or green/magenta tints.
Electrical Engineering: Managing Voltage Drop Across Long Runs
A primary point of field failure in commercial linear installations is uncompensated voltage drop along the flexible Printed Circuit Board (FPC). When DC current flows through thin copper traces, resistive losses cause luminance degradation and color shift toward the distal end of the run.
To mitigate this, robust OEM engineering utilizes rolled-annealed (RA) double-sided 3oz copper FPCs alongside integrated Constant Current (CC) IC chips. Compared to cheaper 1oz electro-deposited (ED) copper, 3oz substrate reduces line resistance by 66%, allowing continuous single-feed runs up to 10 meters without perceived lumen loss.
| Architecture Type | Operating Voltage | Max Single Feed Run | Thermal Dissipation Capacity | Recommended B2B Application |
|---|---|---|---|---|
| Standard SMD Strip | 12V DC | 5 Meters | Low (1oz FPC Copper) | Short residential accent lighting, DIY kits |
| High-Density FCOB | 24V DC | 10 Meters | High (2oz / 3oz Copper + COB Silicone) | Shallow architectural coves, cabinetry, hotel lobbies |
| Matrix LED Sheet | 24V DC | 10m x 0.5m Roll | Superior (Grid Heat-Sink Traces) | Countertops, Onyx/Marble backlighting, signage |
| Smart Addressable RGBIC | 24V / 48V DC | 15–20 Meters | High (Integrated Pixel IC) | KTV, dynamic facades, immersive retail spaces |
Future Sourcing & Procurement Trends (2025–2030)
As global energy codes (such as EU ErP Directive 2021/340 and US Title 24) become more stringent, bulk buyers must align with factories capable of delivering high efficacy (measured in Lumens Per Watt) alongside smart connectivity.
1. Matter & Thread Protocol Native Support
The industry is transitioning away from proprietary wireless controllers. Future-proof wholesale lines feature 24V smart drivers and receiver modules natively compatible with Matter, Tuya, Zigbee 3.0, and DMX512/RDM networks.
2. Silicone Co-Extrusion (IP67/IP68)
Traditional PVC tubing yellowing and cracking under ambient UV exposure is being replaced by food-grade, liquid-silicone co-extrusion technology. Silicone neon flex and waterproof FCOB strips maintain elastic flexibility from -40°C to +80°C.
3. Modular LED Backlight Sheets
For stone fabricators and interior fit-out specialists, rigid light boxes are obsolete. Roll-to-roll cuttable LED sheets featuring grid-array cutting lines allow custom cutting around plumbing, columns, and irregular countertop contours on site.
Shenzhen Covek Lighting Co., Ltd. — Enterprise Advantages
Founded in 2011 in Longhua District, Shenzhen, Covek Lighting has grown into a leading manufacturer of architectural flexible lighting systems. Our manufacturing ecosystem is audited onsite by TÜV Rheinland.
5,175 m² Standardized Plant
House high-speed SMT placement lines, automatic FCOB phosphor dispenser equipment, silicone extrusion tunnels, and an integrating sphere testing laboratory.
100% Full Load Aging Tests
Every batch undergoes mandatory 8-hour continuous burn-in and high-temperature thermal cycle testing prior to automated optical inspection and reel packaging.
Comprehensive OEM/ODM Engineering
Custom PCB design, customized wire gauge/connectors, private labeling, drop-test packaging, and custom spectrum binning provided within 5–7 business days.
Global Certification Compliance
Products carry CE, RoHS, EMC, UL, TÜV, and ERP documentation, produced under ISO 9001 quality management guidelines to clear customs smoothly.
Procurement & Technical FAQ for B2B Wholesalers
What is the Minimum Order Quantity (MOQ) for custom LED strips and sheets?
For standard stock items and selected LED sheets, MOQ starts as low as 1 piece or 5 meters. For customized CCT, non-standard PCB width, special wire lengths, or buyer-label packaging, the baseline MOQ ranges between 100 to 500 meters depending on specification complexity.
Why choose 24V or 48V systems over traditional 12V LED strips?
Higher voltage lowers electrical current (Amperage) for equivalent wattage output. Operating at 24V or 48V significantly cuts voltage drop along the run, reducing thermal stress on the PCB, extending LED lifespan, and allowing longer single-feed continuous runs without brightness drop-off.
What is the primary technical advantage of FCOB over SMD LED strips?
FCOB (Flip-Chip On Board) mounts flip-chips directly onto the FPC substrate under a continuous gel phosphor coat. This eliminates wire-bonds (improving mechanical reliability when bent) and delivers a seamless, spot-free linear illumination effect without requiring deep aluminum channels or frosted diffusers.
How are flexible LED sheets cut and spliced on project sites?
Our flexible LED sheets feature dedicated grid-cutting lines spaced vertically and horizontally (often every 1 LED or 20mm). Installation teams can cut sheets around obstacles using shears and reconnect segments via quick-solder pads or plug-in terminal connectors without breaking electrical continuity.
What warranty terms and quality defect policies do you support?
We offer a standard 3-year factory warranty across our professional architectural series. Our quality control protocol follows ISO 9001 standards. In the rare event of a verified manufacturing defect, our engineering team responds within 24 hours to provide direct replacements or credit compensation.