Panoramic view of LED lighting product certification Certification Core role Applicable product types Market access value CE Legal sale in the European Union All LED lamps and driver power supplies The basic threshold for entering the European market DLC North American energy Efficiency subsidy Commercial LED industrial and mining lights, street lamps Obtain the...

Early Theories and Discoveries (Early 20th Century - 1960s) The 1950s: Breakthroughs in semiconductor research In the 1950s, research institutions such as Bell Labs in the United States began to conduct in-depth research on semiconductor materials, especially III-V group compound semiconductors (such as gallium arsenide GaAs and gallium phosphide GaP). These materials possess Electroluminescence...

We combed through GGJIA-LED.com to find five awesome, practical, and energy-efficient lighting gifts that are perfect for the hands-on, DIY-loving, or tech-obsessed father figure in your life. 1.100W Garage Light This shop light is a total upgrade for the dad who treats the garage like his second home. The 14,000 lumens of bright, flicker-free...

This year, ditch the boring ties and socks—give Dad the gift of brilliant, energy-efficient LED lighting! 🎁✨ Whether he’s a garage guru 🛠️, a security-conscious homeowner 🏡, or an outdoor enthusiast 🌿, the right LED lights can upgrade his space while saving energy and money. Here’s how to brighten Dad’s life in every corner: 🔧 Workshop & Garage: Where Dad’s Magic Happens! 🚀 Loading Dock Light –...

I. Key Lighting Design Calculations (Practical Formulas) 1. Lumen Method Formula (Determining Fixture Quantity) \[ N = \frac{E \times A}{\varphi \times U \times M} \] N: Number of fixtures E: Target illuminance (lux) A: Area (m²) ϕ: Luminous flux per fixture (lumens, e.g., 24,000 lm for a 200W LED) U: Utilization factor (0.4–0.8; lower...

Industry Standards and Regulations (Mandatory Compliance) OSHA Standards (USA) General industrial warehouse minimum illuminance: 20 lumens/sq.ft (200 Lux) (for aisles and non-precision work areas). Precision operation areas: Recommended ≥ 50 lumens/sq.ft (500 Lux). IESNA (Illuminating Engineering Society of North America) Standards Storage areas: 100 - 300 Lux (10 - 30 lumens/sq.ft). Sorting/packaging areas: 300...

Definition A lighting driver is an electronic device used to control and regulate the power supply of lighting equipment, such as High Bay LED lights. It plays a crucial role in the lighting system, ensuring that the lighting equipment operates stably and efficiently. Working Principle Its main function is to convert the input power...

When shopping for LED lighting, you might notice terms like 120 degree beam angle. But what does beam angle mean, and why does it matter? For homeowners, DIY enthusiasts, and lighting buyers in the U.S., understanding light distribution is key to choosing the right fixture for your space. A 120 degree beam angle describes...

To comprehend light’s role in both natural phenomena and human applications, it is essential to explore the visible spectrum—the narrow band of electromagnetic radiation detectable by the human eye. While scientific interpretations of light’s interaction with human perception continue to evolve, established principles and properties provide a robust framework for understanding its nature. By analyzing...