The global automotive industry is undergoing a significant transition from traditional halogen and Xenon (HID) systems to BiLED (Bi-directional Light Emitting Diode) technology. This shift is driven by strict energy conservation targets, safety legislation, and consumer expectations for premium optical performance.
Unlike standard LED retrofits, integrated BiLED projection systems handle both low-beam and high-beam configurations through a single optical unit. By consolidating active cooling, driver circuitry, and advanced reflector optics into a compact module, vehicle manufacturers optimize front-end space and aerodynamic efficiency.
Today, regulatory bodies across the European Union (CE Mark requirements) and North America have set rigorous guidelines regarding photometric beam patterns, glare mitigation, and thermal reliability. Consequently, OEMs demand components that feature advanced high-transparency materials, robust thermal management systems, and specialized vehicle-specific tuning.
Established in 2012, Ningbo DERT Lighting Co., Ltd. is a professional manufacturer specializing in automotive lighting systems, LED headlights, and vehicle lighting solutions for global automotive aftermarket and OEM customers. Located in Ningbo, Zhejiang Province, China, the company operates a modern production facility covering approximately 18,000 square meters and employs more than 320 skilled professionals across engineering, manufacturing, quality assurance, research and development, and international sales departments.
DERT Lighting focuses on the design, development, and production of automotive lighting products, including LED headlight systems, vehicle lighting assemblies, signal lighting solutions, commercial vehicle lighting products, off-road lighting systems, and customized automotive illumination technologies. The company serves automotive brands, distributors, wholesalers, importers, fleet operators, and aftermarket suppliers across international markets.
Supported by an experienced engineering team, DERT Lighting continuously invests in product innovation, optical design, thermal management technologies, electronic control systems, and manufacturing automation. The company integrates advanced production equipment, automated assembly lines, precision testing instruments, and standardized manufacturing processes to support consistent product quality and production efficiency.
Quality management is implemented throughout every stage of production, from raw material sourcing and component inspection to assembly, performance testing, durability evaluation, and final quality verification. The company strives to manufacture automotive lighting products that meet the performance, reliability, and regulatory requirements of diverse international markets.
In addition to standard product manufacturing, DERT Lighting provides comprehensive OEM and ODM services, including product development, branding support, customized specifications, packaging solutions, and private-label manufacturing programs. Flexible production capabilities allow the company to support both emerging automotive brands and established industry partners.
Today, Ningbo DERT Lighting Co., Ltd. exports products to North America, Europe, South America, Southeast Asia, the Middle East, and other global regions, delivering reliable automotive lighting solutions for a rapidly evolving mobility market.
The progression of BiLED technology revolves around miniaturization, adaptive controls, and material optimization to satisfy evolving safety frameworks globally.
Deploying Chip Scale Package (CSP) LEDs with customized high-conductivity copper PCBs. Focus is on reducing thermal resistance to below 1.5°C/W and ensuring maximum driver integration for EMC safety.
Transitioning from basic high/low beam operations to micro-matrix light control. BiLED engines will interact with on-board sensor data to dynamically shape the beam and prevent glare on oncoming traffic.
Combining the ultra-wide output of high-power BiLED systems with laser projection diodes for high-speed highway driving. Achieving forward illumination distances exceeding 600 meters.
By using precision optical tools, we verify beam compliance using Goniophotometers. Key metrics monitored include maximum candela values, correct cutoff line gradient, and color consistency over time.
Automotive lighting systems must be engineered around specific end-user environments. We support diversified industrial operations with dedicated configuration systems.
Long-haul trucks require robust resistance to continuous low-frequency vibrations. Our custom PCB assemblies and shock-absorbent mounting systems preserve LED integrity on heavy-duty operations.
For operations in rugged terrain, environmental protection is vital. We utilize high-transparency PMMA and PC injection molding along with double-seal gaskets to achieve IP68/IP69K water and dust resistance.
Service vehicles operate under extreme thermal conditions. Our heat sink solutions, built with high-purity aluminum and active micro-fans, guarantee steady performance under prolonged static operations.
Essential guidance on regulatory standards, hardware configurations, and optical design specifications for procurement managers.
CE certification confirms compliance with EU directives including Electromagnetic Compatibility (EMC - EN 55015 / CISPR 25), Low Voltage Directive (LVD), and RoHS directives. This guarantees that the BiLED driver will not interfere with vehicle electronics (like GPS, ADAS sensors) and remains safe under voltage fluctuations.
Polycarbonate (PC) offers excellent impact resistance, making it ideal for external protective lenses. PMMA (acrylic) boasts superior UV resistance and light transmittance values exceeding 92%. Utilizing state-of-the-art injection molding services ensures minimum optical distortion and long-term clarity without yellowing.
Active cooling with miniature dual-ball bearing fans reduces the junction temperature of the LED chip much faster. This thermal regulation prevents lumen depreciation, avoids thermal throttling, and maintains the target light output even during continuous, long-duration operation.
Yes. Our integrated engineering team handles structural styling, PCB layout design, thermal simulations, custom lens fabrication, and complete private label packaging. This speeds up production and ensures new product concepts transition quickly from prototyping to market-ready products.
DERT Lighting
