{"id":421622,"date":"2024-10-20T06:37:14","date_gmt":"2024-10-20T06:37:14","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-62977-2-52018-2\/"},"modified":"2024-10-26T12:23:15","modified_gmt":"2024-10-26T12:23:15","slug":"bsi-pd-iec-tr-62977-2-52018-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-62977-2-52018-2\/","title":{"rendered":"BSI PD IEC TR 62977-2-5:2018"},"content":{"rendered":"
This part of IEC 62977 describes the conditions and measuring methods for determining the displayed properties (on-screen) and the through-screen properties of transparent direct-view-type liquid crystal displays (LCDs) and those of organic light emitting diode (OLED) displays.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
4<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 4 Measuring conditions 4.1 Standard measuring environmental conditions 4.2 Standard lighting conditions 4.2.1 Darkroom conditions 4.2.2 Ambient illumination conditions <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4.2.3 Ambient illumination spectra Tables Table 1 \u2013 Standard ambient conditions <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4.3 Standard setup conditions 4.3.1 Starting conditions of measurements 4.3.2 Standard measuring positions 4.3.3 Conditions of measuring equipment Figures Figure 1 \u2013 Measurement points <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Figure 2 \u2013 Layout diagram of measurement setup <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 5 Measuring methods of transparent properties 5.1 Hemispherical transmittance factor with specular included 5.1.1 Purpose 5.1.2 Measuring conditions <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 5.1.3 Measuring method <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 5.2 Transmitted haze 5.2.1 General 5.2.2 Transmitted haze under hemispherical illumination Figure 3 \u2013 Side view of measuring concept for the hemispherical transmittance factor measurement with specular included or excluded <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 5.2.3 Transmitted haze with directly incident light Figure 4 \u2013 Schematic arrangement of haze measurement Table 2 \u2013 Measuring conditions of the ports <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | Figure 5 \u2013 Schematic arrangement of the apparatus (TOP view) <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 5.3 Directional transmittance factor 5.3.1 Purpose 5.3.2 Measuring conditions Table 3 \u2013 Measurements <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 5.3.3 Measuring method <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | 5.4 Degree of clear distinction of see-through objects 5.4.1 General 5.4.2 Purity Figure 6 \u2013 Side view of measuring concept for the hemispherical transmittance factor measurement with specular included or excluded <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | Figure 7 \u2013 Measuring configuration for purity measurement Figure 8 \u2013 Test patterns for purity measurement <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 5.4.3 Clarity (measurement method using a stripe pattern with a rigid width.) Table 4 \u2013 Measured example for purity Table 5 \u2013 Example of reported specification of two dimensional LMD <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Figure 9 \u2013 Measuring system and its configuration <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | Figure 10 \u2013 Example reference object and its configuration Figure 11 \u2013 Luminance curve of reference object <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | 5.4.4 Clarity (Measuring method using a stripe pattern with gradually changed width) Figure 12 \u2013 Definition of test parameters <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Figure 13 \u2013 Reference object and its configuration <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | 5.5 Colour variation caused by a transparent display 5.5.1 Purpose 5.5.2 Measuring conditions 5.5.3 Measuring method Figure 14 \u2013 The relationship between stripe frequency and Michelson contrast ratio <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Figure 15 \u2013 Measuring configuration <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | 6 Measuring methods of on-screen properties 6.1 Ambient contrast ratio 6.1.1 Purpose 6.1.2 Measuring conditions Table 6 \u2013 Working example for colour variation index <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | 6.1.3 Measuring method <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | 6.2 Display ambient colour measurement 6.2.1 Purpose 6.2.2 Measuring conditions 6.2.3 Measuring method <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | 6.3 Contrast ratio and colour coordinate with the incident illumination originating from objects behind the screen 6.3.1 Purpose <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | Figure 16 \u2013 Geometry of the transparent display and the bright background object <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | 6.3.2 Measuring method with white light source Figure 17 \u2013 Case with bright background <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | 6.3.3 Measuring method with collimated or directional light source Figure 18 \u2013 Measurement configuration for transparent display with background object <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Electronic display devices – Transparent displays. Measurements of optical characteristics<\/b><\/p>\n |