BS IEC 62715-5-3:2017
$142.49
Flexible display devices – Visual assessment of image quality and defects
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 32 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | CONTENTS |
| 8 | FOREWORD |
| 10 | INTRODUCTION |
| 11 | 1 Scope 2 Normative references 3 Terms and definitions |
| 13 | 4 Procedures of visual assessment [2][3] 4.1 General 4.2 Setup of displays and driving conditions 4.3 Observers for visual assessment [4][5] 4.4 Ambient conditions for visual assessment 4.4.1 Standard environmental conditions 4.4.2 Standard lighting conditions |
| 14 | 4.5 Viewing geometry 4.5.1 General |
| 15 | Figures Figure 1 – Illustrative viewing geometries of flexible display devices |
| 16 | 4.5.2 Designed viewing geometry 4.5.3 Standard usage viewing geometry 4.5.4 Geometry for rigorous assessment |
| 17 | 5 Test charts (test signals) 5.1 General 5.2 Full-screen patterns Table 1 – Example of the set of input signal levels for an 8-bit system |
| 18 | Table 2 – Other input signal levels for an 8-bit system |
| 19 | 5.3 Periodic patterns Figure 2 – Example test patterns |
| 20 | 5.4 Tone and colour gradation patterns Figure 3 – Examples of periodic patterns |
| 22 | Figure 4 – Example test charts for tone and colour reproduction |
| 23 | 5.5 Test chart for cross-talk Figure 5 – Examples of a test chart displayed on the screen of deformed DUTs |
| 24 | 5.6 Test chart for electro-optical defects 5.7 Test chart for static image resolution Figure 6 – Cross-talk patterns window boxes on grey background diagonal from the position at P0 |
| 25 | 5.8 Natural and synthetic images 6 Visual assessment during and after stress tests 6.1 General 6.2 Number of duplicate and reference DUTs Figure 7 – Monoscopic pattern for assessment of ultra high definition screen |
| 26 | 6.3 Procedures of visual assessment after exposure to environmental stress 6.4 Procedures of visual assessment after exposure to mechanical stress 7 Criteria for judgments 7.1 General concept 7.2 Judgment using a limit sample 7.3 Ranking using a set of grade samples |
| 27 | 7.4 Preparation of a limit sample or a set of grade samples 7.4.1 General 7.4.2 Procedures 7.4.3 Affirmation of end-user true needs |
| 28 | 7.5 Judgments without a limit sample or a set of grade samples 7.5.1 General 7.5.2 Procedures 7.6 Assessment using an ND (neutral density) filter 7.6.1 General 7.6.2 Procedures |
| 29 | 7.7 Assessment method for mechanical defects 8 Reporting 8.1 Requirements for reporting 8.2 Recommendations for reporting |
| 30 | Annex A (informative)Ranking of mura defect using ND filter Table A.1 – Example of ranking of mura defect using an ND filter |
| 31 | Bibliography |
