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...

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...

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...

LED Lights As the leaves begin to change and the days grow shorter, autumn ushers in a season of renewal. GGJIA is always working on light improvements and upgrades for different needs. In 2024, several innovative models stand out for their enhanced features and performance. In this article, we will gather to present the...