{"id":233993,"date":"2024-10-19T15:15:39","date_gmt":"2024-10-19T15:15:39","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-62977-2-52018\/"},"modified":"2024-10-25T09:47:03","modified_gmt":"2024-10-25T09:47:03","slug":"bsi-pd-iec-tr-62977-2-52018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-62977-2-52018\/","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 Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
6<\/td>\nFOREWORD <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
9<\/td>\n4 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>\n4.2.3 Ambient illumination spectra
Tables
Table 1 \u2013 Standard ambient conditions <\/td>\n<\/tr>\n
11<\/td>\n4.3 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>\nFigure 2 \u2013 Layout diagram of measurement setup <\/td>\n<\/tr>\n
13<\/td>\n5 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>\n5.1.3 Measuring method <\/td>\n<\/tr>\n
15<\/td>\n5.2 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>\n5.2.3 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>\nFigure 5 \u2013 Schematic arrangement of the apparatus (TOP view) <\/td>\n<\/tr>\n
20<\/td>\n5.3 Directional transmittance factor
5.3.1 Purpose
5.3.2 Measuring conditions
Table 3 \u2013 Measurements <\/td>\n<\/tr>\n
21<\/td>\n5.3.3 Measuring method <\/td>\n<\/tr>\n
22<\/td>\n5.4 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>\nFigure 7 \u2013 Measuring configuration for purity measurement
Figure 8 \u2013 Test patterns for purity measurement <\/td>\n<\/tr>\n
25<\/td>\n5.4.3 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>\nFigure 9 \u2013 Measuring system and its configuration <\/td>\n<\/tr>\n
27<\/td>\nFigure 10 \u2013 Example reference object and its configuration
Figure 11 \u2013 Luminance curve of reference object <\/td>\n<\/tr>\n
28<\/td>\n5.4.4 Clarity (Measuring method using a stripe pattern with gradually changed width)
Figure 12 \u2013 Definition of test parameters <\/td>\n<\/tr>\n
29<\/td>\nFigure 13 \u2013 Reference object and its configuration <\/td>\n<\/tr>\n
30<\/td>\n5.5 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>\nFigure 15 \u2013 Measuring configuration <\/td>\n<\/tr>\n
32<\/td>\n6 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>\n6.1.3 Measuring method <\/td>\n<\/tr>\n
34<\/td>\n6.2 Display ambient colour measurement
6.2.1 Purpose
6.2.2 Measuring conditions
6.2.3 Measuring method <\/td>\n<\/tr>\n
35<\/td>\n6.3 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>\nFigure 16 \u2013 Geometry of the transparent display and the bright background object <\/td>\n<\/tr>\n
37<\/td>\n6.3.2 Measuring method with white light source
Figure 17 \u2013 Case with bright background <\/td>\n<\/tr>\n
39<\/td>\n6.3.3 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>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Electronic display devices – Transparent displays. Measurements of optical characteristics<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2018<\/td>\n42<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":233996,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-233993","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/233993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/233996"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=233993"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=233993"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=233993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}