Measurements in Automotive Lighting

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Course content

Introduction
- Lumens, Lux, and Candela EXPLAINED
- Consistency in Measurement 10 xp
  - Quiz
Lumens
Intensity and Illumination
- Intensity (candela)
- Isocandela Chart
- Illumination (lux)
- Distance
- Isolux (Bird's Eye) Chart
- Intensity Quiz 10 xp
Efficiency and Power
- Optical Efficiency
- Power
- Efficiency Power Quiz 10 xp
Beam Pattern
- Beam Patterns
- Spread
- Gradient
- Blending
- Output Images
- Beam Pattern Quiz 10 xp
Color
- Color
- Color Quadrants
- CCT
- CCT and Chromaticity
- Color Precision
- CRI
- Color Quiz 10 xp
Scoring Systems
- Baja Designs ELS
- Consumer Reports
- IIHS
- Scoring Quiz 10 xp
Final Test
- Test Instructions
- Final Test

Isolux (Bird's Eye) Chart

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Isolux (Bird's Eye) Chart

What is it?

Graphical representation of top-down view, showing distance at specific lux values, and the width (spread).
Since drivers don’t worry as much about top-to-bottom spread, this can be helpful in visualizing output.

How do we use it at Diode?

We include it on datasheets and some packaging.

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