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PD IEC TR 62595-1-3:2019 Display lighting unit - Lighting units with arbitrary shapes, 2019
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- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviated terms
- 4 Flexible lighting units [Go to Page]
- 4.1 General
- Figures [Go to Page]
- Figure 1 – Examples of curved FLS and curved display
- 4.2 FLSs possessing arbitrary curvature
- Figure 2 – FLS with an arbitrary curvature and measurement system
- 5 Single-curvature FLS model [Go to Page]
- Figure 3 – FLS element with curvature and changeof measurement field contour due to curvature
- 6 FLS light emission directionality [Go to Page]
- Figure 4 – Curved FLS with convex and concave curvatures
- Figure 5 – Radiation pattern of FLSs with nearly Lambertian luminous intensities(n = 0,8, 1, 1,2) and collimated light intensities (n = 5, 10, 15)in a spherical coordinate system
- Figure 6 – Radiation pattern profiles of FLSs with nearlyLambertian luminous intensities (n = 0,8, 1, 1,2)
- 7 Measurement field projection on a curved FLS [Go to Page]
- Figure 7 – Confined flux in solid angles (θ = 0° to 90°) for intensity distributions with n = 0,8, 1, 1,2 and 15
- Figure 8 – LMD’s cone cross section nearly equalto that of the FLS’s diameter
- Figure 9 – Contour of projected measurement field’s conecross section on a cylindrical FLS
- Figure 10 – Contour of a cone’s cross section of the measurement fieldon a large radius cylindrical FLS RFLS = = ∞ (flat)
- Figure 11 – Off-axis measurement and cone’s cross section contouron the DUT (right half expanded and left half contracted)
- Figure 12 – Measurement field cone’s cross section contour on a cylindrical FLS versus the angle between the LMD and DUT axes (δ)
- Figure 13 – Cross section of the measurement field (cone's cross section) with the angle (δ) between the LMD and DUT axes, on a concave cylindrical FLS
- 8 Discussion and conclusions
- Bibliography [Go to Page]