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 …

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 …

The US Department of Energy’s (DOE) Municipal Solid-State Street Lighting Consortium (MSSSLC) has released a model specification for LED roadway luminaries for use by cities …

Photodiodes produce a leakage current that is directly proportional to the intensity of the light. This leakage current flows in the opposite direction to current in a normal diode or LED. Ex: As …

Cree LED offers one of the industry’s broadest portfolios of application-optimized LED chips and components, leading in performance and reliability. With 35 years of innovation, our strong IP …

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 …