High Power 405nm Led

Dongguan Zhiding Electronics Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of high power 405nm led in China, also supports customized service. If you're going to wholesale advanced high power 405nm led made in China, welcome to get quotation from our factory. Also, 2 years warranty is available.

1-3W High Power 405nm UV LED
1. Precision 405nm UV LED for Industrial Curing​
Our 405nm UV LED​ delivers a stable near-ultraviolet wavelength, perfectly matched for UV curing systems, 3D printing resin hardening, and fluorescence excitation, ensuring precise spectral output for professional equipment.
2. High Power 1W UV LED with Adjustable Current​
This 1W high power UV LED​ operates efficiently at 350mA–700mA, providing strong radiant intensity while maintaining low power consumption, ideal for high-demand UV exposure and ink drying applications.
3. InGaN Chip Technology with Multiple Sizes​
Built with high-quality InGaN (Indium Gallium Nitride) chips, available in 30mil, 35mil, 38mil, 42mil, and 45mil​ options, offering flexibility for customized luminous and thermal performance targets.
4. Low Forward Voltage for Energy Efficiency​
Rated at 3.0V–4.0V forward voltage, this 405nm ultraviolet LED​ integrates easily with standard constant-current drivers, reducing circuit loss and improving overall system efficiency.
5. Water Clear Lens for Maximum UV Transmission​
Encapsulated in a water clear lens, the package ensures high UV transmittance and resists yellowing under long-term UV exposure, maintaining consistent optical performance.
6. Superior Thermal Management & Stability​
Engineered for low thermal resistance, this high power UV LED​ performs reliably under continuous operation, making it suitable for integration into aluminum PCBs​ and active cooling modules.
7. Long Lifespan with Minimal Light Decay​
Designed for a 50,000-hour class operational life​ with low luminous decay, reducing downtime and maintenance costs in 24/7 UV curing production lines.
8. Eco-Friendly Mercury-Free UV Light Source​
A RoHS-compliant, mercury-free alternative​ to traditional UV lamps, offering a safer, greener solution for laboratories, medical devices, and industrial manufacturing.
9. Versatile Applications Across Industries​
Widely adopted in UV curing of adhesives, coatings, and inks, currency verification, forensic inspection, nail art lamps, and scientific instruments, proving its versatility as a multi-purpose UV emitter.
10. OEM/ODM Customization Support​
We provide custom 405nm UV LED solutions, including wavelength tolerance, chip brand selection, binning by radiant power, lens angles, and private label services for OEMs and system integrators.

Notes:

Single Color

A : 1w-3w with current of 350mA-700mA;

B : ZHIDINGLED is the most popular type;

C : Chip Size : 30mil/35mil/38mil/42mil/45mil;

D : Voltage : 1-2V for Red & Yellow, 3-4V for Blue & Green & Purple;

E : Wavelength : full colors are available Red : 620-630nm & 650-660nm; Yellow: 585-595nm; Blue: 450-470nm; Green: 520-530nm,UV: 365-405nm;IR : 850nm & 940nm etc.

Company Introduction

Established in 2009. According to the law, in 2009 in Dongguan registered as a general taxpayers; 

Registered capital of 3,000,000 RMB;

National high-tech enterprises;

Corporate vision: to become valuable and respected brand leader in LED lighting;

ISO9001 quality system certification and the actual operation; •Company covers about 12,000 square meters; 

Main product: research and development production and sales of LED light source, including smd led, led diodes, high power led, and COB led;

Staff: Senior R & D personnel more than 10, about 260 employees;

More than 10 product lines for light source;

Research and develop two or three new designs alone to meet the market requirement.

Proven performance speaks louder than specifications alone. Across industries ranging from precision electronics manufacturing to advanced 3D printing and high-security printing, our 1W High Power 405nm UV LED has helped customers solve real-world challenges and achieve measurable results. Below are three representative cases demonstrating how our UV LED technology delivers reliability, efficiency, and application-specific advantages.

Case 1: Electronics Manufacturing (UV Adhesive Curing)
Customer:​ PrecisionTech Assemblies GmbH
Address:​ Industriestraße 12, 83026 Rosenheim, Bavaria, Germany
Challenge:​ The client was using traditional 365nm UV lamps to cure optical-grade adhesives for smartphone camera modules. The excessive heat from the lamps caused lens displacement, leading to a 4% reject rate. Additionally, the 365nm wavelength struggled to penetrate the slightly yellow-tinted adhesive, resulting in incomplete bottom-layer curing.
Solution & Result:​ After switching to our 1W 405nm High Power UV LED​ (driven at 500mA), the longer 405nm wavelength provided better depth penetration through the adhesive. The low-heat, water-clear package minimized thermal drift. This reduced their reject rate to 0.2%​ and cut the curing cycle time by 30%​ due to the high radiant intensity.

Case 2: Rapid Prototyping & 3D Printing
Customer:​ ProtoBuild Additive Solutions Ltd.
Address:​ 45 Morrison Street, Glasgow G5 8LB, Scotland, UK
Challenge:​ The company utilized LCD-based resin 3D printers but faced issues with layer delamination and "over-curing" on the edges when using standard 385nm LEDs. They needed a wavelength that offered a balance between sharp pixel resolution and strong inter-layer cross-linking for functional prototypes.
Solution & Result:​ They integrated our 405nm UV LED arrays​ into their custom exposure units. The 405nm wavelength perfectly matched their general-purpose photopolymer resins, offering excellent Z-axis layer adhesion while maintaining fine detail accuracy. They reported a 40% increase in print success rate​ for larger functional parts and eliminated the "curling" effect on the edges of their prints.

Case 3: Security Printing & Document Verification
Customer:​ SecurePrint Machinery Inc.
Address:​ 8900 Liberty Avenue, Queens, NY 11421, USA
Challenge:​ The client manufactures inline inspection systems for high-security government documents. Their previous UV light sources faded quickly and had inconsistent output, making it difficult to reliably excite specific anti-counterfeit fluorescent fibers embedded in the paper, especially those calibrated for the 405nm spectrum.
Solution & Result:​ By replacing their light engine with our 405nm LEDs​ (binned for strict wavelength tolerance ±2nm), they achieved a stable and precise excitation source. The InGaN chip reliability​ ensured 10,000+ hours of consistent performance without calibration drift. Their detection accuracy for 405nm-sensitive security inks improved to 99.8%, significantly reducing false negatives during high-speed scanning.

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