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?

for the lighting specialist

• What are the advantages of remote phosphor process as compared to the phosphor coated LEDs?
• What terms describe the different forms of LEDs from basic electronics to fully functional light fixtures that are available in the market?
• What does SMD mean?
• What are the advantages of SMD over DIP LEDs?
• What are the various types of LED chip packages available in the market?
• What are the typical types of LED modules available in the market?
• Which developments in LEDs have reduced the number of components in a system?
• What is ZigBee?

• How has LED lighting contributed to its usage in healing?
• How are LEDs used as light therapy for the skin?
• How has LED technology helped make care facilities more comfortable for elderly residents?
• How has LED lighting helped in hospital waiting areas?
• How can the capabilities of LEDs improve patient satisfaction and recovery of patients?