FAQ

How to mix them How to use colour well

• How is white light produced by LEDs?
• What are tuneable white LEDs?
• How is coloured light produced from LEDs?
• Why do LEDs produce more vibrant and saturated colours than conventional lamps?
• What does RGB LED mean?
• What are the different types of RGB LEDs?
• How is Amber produced?
• What are AlGaAs, AlInGap and InGaN?
• What does correlated colour temperature, CCT, mean?
• What defines the colour temperature of a white LED?
• What are the standard comparisons used to evaluate the colour quality of light sources?
• In what contexts do R-9 values of CRI of LED lamps become important?
• What is the SPD of a light source?
• What is a MacAdam Ellipse?
• What quality process guarantees the consistency of the colour appearance of LEDs?
• What other parameters can be used to evaluate the colour quality of light?
• Why do some white LEDs start emitting an almost bluish tone over time?
• Why has the colour appearance of the LEDs changed after some period of use?