{"id":233694,"date":"2024-10-19T15:14:18","date_gmt":"2024-10-19T15:14:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iec-62906-5-22016\/"},"modified":"2024-10-25T09:44:49","modified_gmt":"2024-10-25T09:44:49","slug":"bs-iec-62906-5-22016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iec-62906-5-22016\/","title":{"rendered":"BS IEC 62906-5-2:2016"},"content":{"rendered":"<p>This part of IEC&nbsp;62906 specifies the standard measurement conditions and measurement methods for determining the monochromatic speckle contrast of laser display devices (LDDs). The LDDs may include hybrid types using both a laser or lasers, and spontaneous emission- based light sources, such as LEDs.<\/p>\n<blockquote>\n<p>NOTE The monochromatic speckle contrast measurements do not include image quality issues.<\/p>\n<\/blockquote>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>CONTENTS  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>FOREWORD  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms, definitions and abbreviations <br \/> 3.1 Terms and definitions <br \/> 3.2 Abbreviations  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>4 Standard measuring conditions <br \/> 4.1 General <br \/> 4.2 Standard measuring environmental conditions <br \/> 4.3 Measurement coordinate system  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4.4 Darkroom conditions <br \/> 4.5 Standard conditions of measuring equipment <br \/> 4.5.1 General <br \/> Figures  <br \/> Figure 1 \u2013 Coordinate system for projection direction and viewing direction  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4.5.2 Adjustment of LDD <br \/> 4.5.3 Conditions of measuring equipment  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>4.6 Screen conditions <br \/> 4.6.1 General <br \/> 4.6.2 Report <br \/> 5 Measuring methods of speckle contrast <br \/> 5.1 Speckle contrast measurement of still image <br \/> 5.1.1 Purpose <br \/> 5.1.2 Measuring conditions <br \/> 5.1.3 Measuring the monochromatic speckle contrast of front projection  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>Figure 2 \u2013 Example of measurement geometries for monochromatic speckle contrast of front projection  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>5.1.4 Measuring the monochromatic speckle contrast of rear projection <br \/> 5.2 Calibration and diagnosis of the LMD <br \/> 5.2.1 General <br \/> Figure 3 \u2013 Example of measurement geometries for monochromatic speckle contrast of rear projection  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>5.2.2 Calibration procedure and diagnosis for the highest Cs <br \/> 5.2.3 Calibration procedure and diagnosis for the lowest Cs <br \/> Figure 4 \u2013 Example of measurement geometries for Cs calibration  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Annex A  (informative)  Spectral behaviour of the LD <br \/> A.1 Spectral behaviour of a single-longitudinal mode LD <br \/> A.2 Spectral behaviour of a multi-longitudinal mode LD <br \/> Figure A.1 \u2013 Example of spectral behaviour of a single-longitudinal mode LD <br \/> Figure A.2 \u2013 Example of spectral behaviour of a multi-longitudinal mode LD  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Annex B  (informative)  Recommendation on imaging sensor pixel size <br \/> Tables  <br \/> Table B.1 \u2013 Example of ssubj  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Figure B.1 \u2013 Minimum subjective speckle grain size as a function of the F-number  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>Annex C  (informative)  Fundamental formulation of speckle contrast  and the effects of measurement variables <br \/> C.1 Fundamental formulation <br \/> C.2 Effect of observation distance and iris radius  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>Figure C.1 \u2013 Measurement result of Cs by changing NAscreen-Iris  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex D  (informative)  Possible errors and their sources  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Laser display devices &#8211; Optical measuring methods of speckle contrast<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2016<\/td>\n<td>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":233700,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-233694","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\/233694","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\/233700"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=233694"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=233694"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=233694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}