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BS IEC 62977-2-11:2023:2024 Edition

BS IEC 62977-2-11:2023:2024 Edition

$142.49

Electronic displays – Measurement of optical characteristics. Local luminance and uniformity

Published By Publication Date Number of Pages
BSI 2024 24
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms, symbols and units
3.1 Terms and definitions
10 3.2 Abbreviated terms
3.3 Symbols and units
Tables
Table 1 – Letter symbols
11 4 Standard setup conditions
4.1 Light measuring devices
4.2 Measuring conditions
4.2.1 Standard measuring environmental conditions
4.2.2 Power supply
4.2.3 Warm-up time
12 4.2.4 Standard measuring darkroom conditions
4.3 Measuring direction setup condition
5 Test pattern
5.1 General
5.2 Reference pattern
Figures
Figure 1 – DUT installation conditions
13 5.3 Emissive ratio-variable test patterns
5.3.1 Concept of test pattern
Figure 2 – Reference pattern (4 % white box pattern)
Figure 3 – Examples of emissive ratio test patterns
14 5.3.2 Concept of arranged signal dots of the test pattern
6 Measurement methods
6.1 Local luminance consistency
6.1.1 Purpose
6.1.2 Measuring conditions
Figure 4 – Examples of test pattern with regularly arranged signal dots
15 6.1.3 Setup
6.1.4 Test patterns for local luminance consistency
6.1.5 Pixel numbers in the measurement field
6.1.6 Measurement field coverage of test pattern
6.1.7 Measurement procedure
17 6.2 Local contrast consistency
6.2.1 Purpose
6.2.2 Measuring conditions
6.2.3 Setup
6.2.4 Measurement method of local contrast consistency
Table 2 – Example of measurement results for local luminance consistency
19 6.3 Local luminance uniformity
6.3.1 Purpose
6.3.2 Measuring conditions
Figure 5 – Guided measurement points
Table 3 – Example of measurement results for local contrast consistency
20 6.3.3 Setup
6.3.4 Test patterns for local luminance uniformity
6.3.5 Measurement method of local luminance uniformity
21 Table 4 – Example of measurement results for local luminance uniformity
22 Bibliography

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BS IEC 62977-2-11:2023
$142.49