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BS IEC 62906-5-3:2021

BS IEC 62906-5-3:2021

$102.76

Laser display devices – Measuring methods of image quality for laser projection display

Published By Publication Date Number of Pages
BSI 2021 22
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This document specifies the standard measurement conditions and measuring methods for determining the parameters of image quality for full-frame laser projection displays integrating the projection devices and screens. The front and rear projection screens are included in this document. Other display devices, such as raster-scanned (flying spot) projection devices, are not included.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 1 Scope
2 Normative references
3 Terms, definitions, and abbreviated terms
3.1 Terms and definitions
9 3.2 Abbreviated terms
4 Standard measuring conditions
4.1 General
4.2 Environmental conditions
4.3 Power supply
4.4 Warm-up time
4.5 Dark ambient conditions
4.6 Measuring equipment
10 5 Installation and adjustment of the DUT
5.1 Placement of the projection device and screen
5.2 Focusing and alignment of the LPD
11 Figures
Figure 1 – Example of an image pattern with width W and height H
Figure 2 – Example of DUT setup
12 6 Test patterns
6.1 Full screen patterns
6.2 Checkerboard patterns
7 Measuring methods
7.1 Luminance uniformity
7.1.1 Purpose
Figure 3 – Full screen patterns
Figure 4 – Examples of checkerboard patterns
13 7.1.2 Measuring conditions
7.1.3 Patterns
7.1.4 Measuring method
Figure 5 – Measurement points
14 7.1.5 Report
7.2 Contrast ratio uniformity
7.2.1 Purpose
7.2.2 Measuring conditions
7.2.3 Patterns
7.2.4 Measuring method
15 7.2.5 Report
7.3 Viewing direction
7.3.1 Purpose
7.3.2 Measuring conditions
16 7.3.3 Patterns
7.3.4 Measuring method
7.4 Chromaticity uniformity
7.4.1 Purpose
7.4.2 Measuring conditions
Figure 6 – Set-up for viewing direction measurement
17 7.4.3 Patterns
7.4.4 Measuring method
7.4.5 Report
7.5 Image resolution
7.5.1 Purpose
7.5.2 Measuring conditions
18 7.5.3 Measuring method
7.5.4 Calculation
19 7.5.5 Report
Figure 7 – Example of contrast modulation measurement
20 Bibliography

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BS IEC 62906-5-3:2021
$102.76