To provide the method for measurement of lumen and color maintenance of LED lamps, light engines, and LED luminaires. To describe the procedures to obtain uniform and reproducible …

LM-79-08, Electrical and Photometric Measurements of Solid-State Lighting Products, describes approved methods for measuring several attributes of LED products, including total flux, …

The materials used for the LED have a direct band gap with energies corresponding to near-infrared, visible or near-ultraviolet light. LED development began with infrared and red devices …

The XLamp XP-L HI LED is the first of Cree LED’s new class of high-intensity LEDs optimized to deliver maximum candela through secondary optics. The XP-L HI LED delivers 120 percent …

Use this guide as a roadmap and reference to select the best lighting system for your facility.

Warm Selectable LED HID Lamp Portfolio designed for applications that require warmer color temperatures to better replicate High Pressure Sodium for residential neighborhoods or Dark …

Lets go back to our basic LED setup: one LED and one resistor connected from 5V to ground. This time we will duplicate it so that we have three LEDs except that each resistor is going to …