FAQ

Directional Lighting

• How Do I Select the Right LED for my Directional Lighting Product?
• What LED Optical Characteristics Are Best for Directional Lighting?
• What is Vertical LED Chip Design and Why Is it Superior for Directional Lighting Devices?
• What Is High-Luminance Directional Lighting?
• What Performance Specs Are Important for Directional Lighting?

Color Quality Metrics

• Considerations for Creating an Effective Retail Lighting Scheme
• How do humans see light and color?
• How Is Color Rendition (CRI) Applicable in Medical Environments and what is the Cyanosis Observation Index (COI)?
• I'm lighting a museum. What Luminus LEDs should be used?
• What are the TM-30-15 Color Rendition Guidelines & Reports?
• What are the TM-30-18 Color Rendition Guidelines & Reports?

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LED Design Tips

• Compliance - Does Luminus have EPREL Registrations?
• Compliance - Does Luminus Have LM-80 Reports?
• Compliance - Does Luminus have RoHS and REACH Declarations?
• Data Analysis - I have a graph. How do I convert it to an Excel File so I can make Calculations?
• Electrical - Can I add reference lines to Spice plot panes?
• Electrical - Can I use really short pulses and really high currents to drive Luminus LEDs?

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General Questions

• Luminus LEDs product information from customer part number (CPN) and reel label?
• Looking for Luminus Electronic Design Library Files (Step files, PCB Footprints)?
• Where Can I Buy Luminus SMD Parts Mounted on Starboards?
• Can I buy samples directly from Luminus using a credit card?
• Where can I buy sample quantities of Luminus LED products?
• How is radiance measured? What’s the difference between radiant flux, irradiation, and radiant intensity?

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LED Operating Characteristics

• What is the lifetime of my Luminus LED Device?
• What's the difference between peak wavelength and dominant wavelength?
• How and why does the wavelength shift for my Luminus LED?
• How can I find the thermal output power of my PT-50-CG or other Luminus Device?

LED Processing and Handling

• Cleaning Luminus Bare Die Products
• Hand Soldering Wires to a Starboard or a COB
• How do I Reflow Solder Luminus SMD Components?
• Rework of Luminus LEDs
• What connectors do I use with the Luminus LED?
• What is an MSL level and how do they apply to Luminus LEDs?

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COB

• Optics - How are reflectors used in LED luminaire design? How do they affect LED COB performance?
• Looking for Color Tunable COB's?
• How to figure out the COB product information from the customer part number (CPN)?
• Measuring COB Temperatures using a Thermocouple (TC)

UVC

• What are Air Changes per Hour (ACH) and how do they relate to UV disinfection in Building Ventilation Systems?
• What is the Z-Value and how does it relate to UV Disinfection?
• What kind of reflectors work at UVC wavelengths?
• Which Luminus UVC LED is best suited for my application?
• Do UVC LED's disinfect the COVID 19 virus?
• Do Luminus UVC LEDs Create Ozone?

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