Factory Direct Portfolio
High-Gain Backlighting & Flexible LED Sheet Systems
Engineered for stone fabricators, interior contractors, and electrical wholesalers across Portsmouth and Hampshire.
5050 RGB/RGBW LED Strip DC48V 10mm 60LEDs/m IP20 IP68 Waterproof 200mm Cut Flexible Tape for Room Ambience Cabinet Bar Lighting
Flexible RGB Magic LED Neon Strip 25mm Diameter 360 Degree Light IP67 Rating DC24V SPI Effectful Lighting Landscape Double-Layer
DC12V 24V IP66 Waterproof Neon LED Strip SMD2835 120 LEDs Per Meter 6W Per Meter Square Silicone Light 5m Roll
2835 Dual Color CCT Flexible LED Strip DC48V Double-sided FPC 2700K Plus 6500K 120LEDs Per Meter for Cabinet Mirror Lighting
DC24V CRi95 SMD 5050/3528/2835/5630 LED Light Strip IP68 USB Connectivity Remote Control Switch Copper Body
Flexible Extra Long LED Sheet LED Backlighting DC24V 528leds 3000K 6000K LED Panel Light for Marble Lighting Table Top Lighting
High Density 240LED/M 24V LED Flexible Strip Light IP66 Remote Control App/Voic Cuttable SMD2835 2200-6500K Color Temperature
15+
Years LED R&D Expertise
5,175 m²
ISO 9001 Factory Facility
100%
Pre-Shipment Burn-In QC
CE / RoHS
Full UK & EU Compliance
Technical Whitepaper
1. Optical Engineering & Physics of Translucent Marble Backlighting
Illuminating natural translucent stone—such as Calacatta marble, White Onyx, Iranian Yellow Onyx, and Cristallo Quartzite—requires a sophisticated understanding of photon diffusion, thermal dynamics, and structural geometry. Traditional edge-lit Light Guide Plates (LGPs) frequently fail in large-scale architectural fit-outs due to lumen decay toward the center of wide stone slabs and rigid dimension restrictions that cannot be modified on-site.
As leading OEM/ODM solid-state lighting engineering pioneers based in Shenzhen with a direct distribution network serving Portsmouth, Hampshire, and the broader Solent region, Shenzhen Covek Lighting Co., Ltd. supplies high-density, cuttable flexible LED backlight sheets specifically developed to overcome optical hot-spotting and thermal traps in sealed stone cavities.
Optical Pitch-to-Depth Ratio (1:1 Rule)
To achieve a perfectly homogeneous surface luminance through translucent stone without shadow lines or visible diode dots, the cavity depth ($D$) must equal or exceed the pitch distance ($P$) between adjacent SMD or FCOB light sources. Our cuttable LED sheets feature an ultra-dense array (up to 1,296 LEDs/m² or 528 LEDs/roll), enabling cavity depths as shallow as 20mm to 30mm while guaranteeing dot-free continuous diffusion.
Thermal Dissipation & 4oz Copper FPC
Marble and natural quartz possess low thermal conductivity ($\approx 1.5 - 3.0 \text{ W/m·K}$), trapping heat within sealed wall cavities or bar counter surrounds. Our CE-certified marble backlight sheets utilize 3oz to 4oz rolled heavy-copper Flexible Printed Circuit (FPC) substrates, actively conducting heat away from diode junctions to maintain LM-80 compliance (>50,000 hours to L70) even in continuous commercial operation.
Technical Matrix: Backlighting Architecture Comparison
| Technology Parameter | Covek Cuttable LED Sheet | Traditional Edgelit LGP Panel | Rigid LED Bar Racks |
|---|---|---|---|
| On-Site Cutability | 3D Grid Cuttable (Every 1 LED / 15mm) | Rigid (Cannot cut without light loss) | Linear cut only (Fixed segment lengths) |
| Minimum Cavity Depth | 20mm – 30mm | 15mm (Limited max slab size) | 60mm – 100mm (Risk of hot-spotting) |
| Color Consistency | 3-Step MacAdam Ellipse (SDCM < 3) | Varies across panel lifespan | Prone to color bin variance |
| Max Single Continuous Surface | Up to 10 Meters Roll | 1.2m x 2.4m Max per panel | Requires complex interconnections |
| CE / UKCA Compliance | Full LVD, EMC, RoHS, BS EN 60598 | Varies by regional assembler | Component level certification only |
Solent & Hampshire Applications
2. Localized Application Scenarios Across Portsmouth
Portsmouth’s unique urban landscape—ranging from historic naval dockyards and coastal luxury developments to vibrant commercial high streets and maritime refit yards—demands specialized backlight panel configurations tailored to maritime ambient atmospheric conditions and strict UK building safety codes.
Gunwharf Quays Hospitality & Luxury Bars
High-traffic waterfront restaurants, boutique hotels, and cocktail lounges along Gunwharf Quays require back-lit onyx bar tops and translucent marble feature walls. Our DC24V & DC48V Tunable White (2700K to 6500K) and RGBCCT FCOB/LED sheet solutions integrate seamlessly into Lutron, DMX512, and Dali-2 control systems for automated circadian mood shifting.
Southsea & Old Portsmouth Residential Restorations
Victorian and Georgian townhouse refurbishments in Southsea frequently incorporate translucent quartz fire surrounds, kitchen islands, and illuminated bathroom niches. Our ultra-thin cuttable LED sheets operate under safe extra-low voltage (SELV), making them ideal for residential bathroom IP65 wet zones.
Marine, Superyacht & Commercial Marine Refits
Serving Portsmouth International Port, Camber Dock, and regional marine outfitters, our IP67 and IP68 silicone-encapsulated LED backlight sheets resist high humidity, marine salt spray, and continuous engine vibration while illuminating luxury yacht interior stone surfaces.
Market Intelligence
3. Regional Architectural Trends in Portsmouth & Solent Area
A. Demand for Dynamic Circadian White (CCT) in Coastal Commercial Properties
Modern UK interior architects are specifying dual-color CCT (2700K warm white to 6500K cool daylight) backlighting systems to match natural daylight cycles over the English Channel. During bright daytime hours, back-lit marble surfaces are tuned to crisp 5000K daylight to harmonize with natural ambient light entering floor-to-ceiling glass facades. In the evening, the system automatically transitions to warm 2700K tones, creating an inviting hospitality environment.
B. Shift Toward Ultra-Slim Countertop Construction
Commercial real estate developers in Portsmouth are optimizing square footage by specifying shallow stone counter profiles. Traditional backlighting setups requiring 100mm depth are no longer acceptable. High-density FCOB and grid-pattern LED sheets allow stone fabricators to build backlit counter overhangs with as little as 25mm clearance.
UK Building Regulations & CE Compliance Notice for Portsmouth Buyers
Under the UK Electrical Equipment (Safety) Regulations and EMC Regulations, all LED lighting products installed in commercial and residential properties across Portsmouth must carry valid CE and UKCA declarations supported by independent laboratory test reports.
- BS EN 60598-1 / BS EN 60598-2-2: Luminaires & recessed backlighting safety.
- BS EN 55015 / BS EN 61547: Immunity and suppression of radio interference in commercial networks.
- RoHS 2.0 (Directive 2011/65/EU): Hazardous substance restrictions.
Manufacturer Authority
4. Why Sourcing Direct from Shenzhen Covek Lighting Advantages Portsmouth Wholesalers
Shenzhen Covek Lighting Co., Ltd. is a TÜV Rheinland-verified OEM/ODM LED factory established in 2011. Operating a modern 5,175 m² manufacturing facility in Longhua District, Shenzhen with 133 skilled technicians and engineers, we serve global B2B buyers, stone importers, and electrical distributors directly without middleman markups.
Verified Factory & Audit Transparency
Onsite audited by TÜV Rheinland with an annual export value exceeding US$1.32M. We provide complete factory tour videos, 360° VR inspection links, and transparent batch tracking numbers for absolute procurement security.
R&D Innovation & Free Custom Design
Our engineering team releases 20 to 50 new LED products every month. We offer free CAD wiring diagrams, photometric IES files, and custom PCB/FPC cut-line design tailored for bespoke stone installations in the UK.
3-Year Direct Warranty & 24h Service
All backlighting sheets and FCOB strips carry a standard 3-year factory warranty. Quality complaints receive formal engineering analysis within 24 hours, backed by full defect replacement guarantee.
Buyer Knowledge Base
5. Frequently Asked Questions for Buyers in Portsmouth
Comprehensive answers to common engineering, compliance, shipping, and installation queries.
How do cuttable LED sheets differ from traditional rigid LED backlighting panels for marble?
Cuttable LED sheets feature a flexible printed circuit (FPC) with a modular grid matrix of interconnecting copper traces. Unlike rigid aluminum LED bars or custom-cut LGP panels, flexible LED sheets can be trimmed on-site with standard shears along any cut line (typically every 15mm to 30mm) around complex stone cutouts, sink basins, and curved counter edges without damaging the remaining light circuit. This reduces lead times from weeks down to immediate on-site adjustment.
What certifications are required for exporting LED backlight sheets to Portsmouth, UK?
Products imported into Portsmouth and the United Kingdom must carry CE marking and UKCA compliance declarations. Specifically, they must satisfy the Low Voltage Directive (LVD 2014/35/EU), Electromagnetic Compatibility (EMC Directive 2014/30/EU), and Restriction of Hazardous Substances (RoHS 2.0). All Covek LED products are certified with complete test reports from accredited laboratories, ready for customs clearance and UK electrical inspector sign-off.
What is the recommended minimum cavity depth behind translucent onyx or quartz?
For standard 20mm thick translucent marble or onyx, our high-density 1,296-LED/m² flexible sheets allow cavity depths as low as 20mm to 30mm while maintaining 100% dotless illumination. If utilizing standard pitch strips or bars, cavity depths of 50mm to 80mm with a secondary acrylic diffuser plate are recommended to eliminate visible hot-spotting.
Can Covek LED sheets be integrated into existing UK smart control systems like Lutron, DALI, or Casambi?
Yes. Our DC24V and DC48V backlight sheets and FCOB strips are constant-voltage luminaires. They are fully compatible with leading dimmable LED drivers operating on DALI-2, 0-10V, Triac/Phase-cut, DMX512, and wireless protocols (Casambi, Zigbee, Tuya WiFi, Bluetooth Mesh). We can pre-wire appropriate tail cables and supply matching driver packs upon request.
What is the Minimum Order Quantity (MOQ) and lead time for shipments serving Portsmouth?
Standard flexible LED sheets start from an MOQ of just 1 piece to 5 meters, allowing stone fabricators and electrical contractors to order exact project quantities. Lead times for express air shipment to Portsmouth (via DHL/FedEx/UPS) are typically 5 to 7 business days. Larger wholesale sea freight shipments to Southampton/Portsmouth ports take approximately 25 to 30 days.
How do you prevent color shift and binning differences across large stone feature walls?
Color consistency is critical when backlighting large continuous slabs. Covek enforces strict 3-step MacAdam Ellipse (SDCM < 3) binning across all production runs. Every sheet shipped within a single project order comes from the same LED chip batch, ensuring matching chromaticity coordinates ($x, y$) and identical Color Rendering Index values (CRI 90+ / CRI 95+).
What IP rating is required for backlighting marble in bathroom environments or marine yachts?
For dry indoor feature walls and dry commercial counter surrounds, IP20 or IP54 conformal coating is sufficient. For bathroom splash zones (Zone 1 & Zone 2 under UK wiring regulations) or marine superyacht interiors subject to high humidity and salt air, we supply IP67 silicone tube-jacketed or IP68 full-potting waterproof LED sheets.
How do I calculate total wattage and select the correct power supply unit (PSU)?
To calculate total power consumption: Multiply the total surface area ($m²$) by the sheet wattage rating ($W/m²$), then add a 20% safety margin. For example, a 2m x 1m (2m²) onyx wall powered by a 30W/m² LED sheet requires $2 \times 30W = 60W + 20\% = 72W$ minimum power supply. Our engineering team provides complimentary load calculations and wiring schematics with every quotation.
Accelerate Your Portsmouth Architectural Lighting Projects
Connect directly with our engineering team for factory quotes, CAD wiring design support, free sample kits, and complete CE compliance dossiers.