{"id":1103,"date":"2026-02-11T05:13:25","date_gmt":"2026-02-11T05:13:25","guid":{"rendered":"https:\/\/chineseledlight.com\/?p=1103"},"modified":"2026-02-11T05:18:06","modified_gmt":"2026-02-11T05:18:06","slug":"ugr-low-glare-office-lighting-designing-toward-ugr","status":"publish","type":"post","link":"https:\/\/chineseledlight.com\/ja\/ugr-low-glare-office-lighting-designing-toward-ugr\/","title":{"rendered":"UGR\u3068\u4f4e\u30b0\u30ec\u30a2\u30aa\u30d5\u30a3\u30b9\u7167\u660e\uff1aUGR\u306b\u5411\u3051\u305f\u30c7\u30b6\u30a4\u30f3<19"},"content":{"rendered":"<p>\u30b0\u30ec\u30a2\u306f\u501f\u91d1\u3060\u3002.<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u306e\u3082\u3001\u660e\u308b\u3044\u5f8c\u4ed8\u3051\u306e\u30c8\u30ed\u30fc\u30d5\u30a1\u30fc\u3001\u7d30\u3044\u767a\u5149\u958b\u53e3\u90e8\u3001\u30ab\u30c3\u30c8\u30b7\u30fc\u30c8\u3067\u898b\u6804\u3048\u306e\u3059\u308b\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\u3067\u300c\u7bc0\u7d04\u300d\u3057\u3066\u3082\u3001\u5f8c\u3067\u30af\u30ec\u30fc\u30e0\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u53cd\u5c04\u3001\u7167\u6e96\u306e\u8abf\u6574\u3001\u8ffd\u52a0\u30d5\u30a3\u30eb\u30e0\u3001\u8ab0\u304c\u7167\u660e\u5668\u5177\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u627f\u8a8d\u3057\u305f\u306e\u304b\u899a\u3048\u3066\u3044\u306a\u3044\u3075\u308a\u3092\u3059\u308b\u6c17\u307e\u305a\u3044\u30e1\u30fc\u30eb\u306e\u30b9\u30ec\u30c3\u30c9\u306a\u3069\u3001\u30c4\u30b1\u304c\u56de\u3063\u3066\u304f\u308b\u304b\u3089\u3060\u3002.<\/p>\n\n\n\n<p>\u306a\u305c\u3053\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u3053\u308b\u306e\u304b\uff1f<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u76ee\u6b21<\/h2><nav><ul><li><a href=\"#the-hard-truth-ugr-19-is-usually-a-paper-promise-not-a-room-outcome\">\u53b3\u3057\u3044\u771f\u5b9f\uff1a\u300cUGR&lt;19\u300d\u306f\u901a\u5e38\u3001\u7d19\u306e\u7d04\u675f\u3067\u3042\u308a\u3001\u90e8\u5c4b\u306e\u7d50\u679c\u3067\u306f\u306a\u3044\u3002<\/a><\/li><li><a href=\"#the-ugr-19-target-what-it-is-and-what-it-isn-t\">UGR&lt;19\u306e\u76ee\u6a19\uff1a\u305d\u308c\u306f\u4f55\u306a\u306e\u304b\uff08\u305d\u3057\u3066\u4f55\u3067\u306f\u306a\u3044\u306e\u304b\uff09<\/a><\/li><li><a href=\"#why-offices-fail-glare-tests-even-when-the-spec-says-ugr-19\">UGR&lt;19\u3068\u3044\u3046\u30b9\u30da\u30c3\u30af\u3067\u3082\u30aa\u30d5\u30a3\u30b9\u304c\u30b0\u30ec\u30a2\u30c6\u30b9\u30c8\u3067\u4e0d\u5408\u683c\u306b\u306a\u308b\u7406\u7531<\/a><\/li><li><a href=\"#the-optics-that-actually-move-the-needle-and-the-ones-that-don-t\">\u5b9f\u969b\u306b\u91dd\u3092\u52d5\u304b\u3059\u5149\u5b66\u7cfb\uff08\u305d\u3057\u3066\u52d5\u304b\u3055\u306a\u3044\u5149\u5b66\u7cfb\uff09<\/a><ul><li><a href=\"#1-microprismatic-diffuser-good-when-it-s-real-not-patterned-plastic\">1 \u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\uff08\u300c\u30d1\u30bf\u30fc\u30f3\u5316\u3055\u308c\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u300d\u3067\u306f\u306a\u304f\u3001\u672c\u7269\u306e\u5834\u5408\u306f\u826f\u3044\uff09<\/a><\/li><li><a href=\"#2-louvers-grille-optics-best-when-screens-dominate-the-room\">2 \u30eb\u30fc\u30d0\u30fc\/\u30b0\u30ea\u30eb\u5149\u5b66\u7cfb\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u304c\u90e8\u5c4b\u3092\u652f\u914d\u3059\u308b\u5834\u5408\u306b\u6700\u9069\uff09<\/a><\/li><li><a href=\"#3-opal-diffuser-panels-fine-for-softness-risky-for-ugr-marketing-claims\">3\u679a\u306e \u201c\u30aa\u30d1\u30fc\u30eb\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc \u201d\u30d1\u30cd\u30eb\uff08\u67d4\u3089\u304b\u3055\u306b\u306f\u554f\u984c\u306a\u3044\u304c\u3001UGR\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4e3b\u5f35\u306b\u306f\u30ea\u30b9\u30af\u304c\u3042\u308b\uff09<\/a><\/li><\/ul><\/li><li><a href=\"#layout-the-part-everyone-skips-and-then-regrets\">\u30ec\u30a4\u30a2\u30a6\u30c8\uff1a\u8ab0\u3082\u304c\u7701\u7565\u3057\u3001\u305d\u3057\u3066\u5f8c\u6094\u3059\u308b\u90e8\u5206<\/a><\/li><li><a href=\"#cct-spectrum-and-the-cool-white-trap\">CCT\u3001\u30b9\u30da\u30af\u30c8\u30e9\u30e0\u3001\u305d\u3057\u3066\u300c\u30af\u30fc\u30eb\u30db\u30ef\u30a4\u30c8\u300d\u306e\u7f60<\/a><\/li><li><a href=\"#controls-energy-wins-don-t-excuse-glare-losses\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff1a\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u52dd\u5229\u306f\u30b0\u30ec\u30a2\u640d\u5931\u306e\u8a00\u3044\u8a33\u306b\u306f\u306a\u3089\u306a\u3044<\/a><\/li><li><a href=\"#a-reality-based-fixture-selection-path-ugr-19-edition\">\u73fe\u5b9f\u306b\u57fa\u3065\u3044\u305f\u30d5\u30a3\u30af\u30b9\u30c1\u30e3\u30fc\u9078\u629e\u30d1\u30b9\uff08UGR&lt;19\u7248\uff09<\/a><\/li><li><a href=\"#comparison-table-where-ugr-projects-usually-go-right-or-wrong\">\u6bd4\u8f03\u8868\uff1aUGR\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u901a\u5e38\u3046\u307e\u304f\u3044\u304b\u306a\u3044\uff08\u3042\u308b\u3044\u306f\u3046\u307e\u304f\u3044\u304b\u306a\u3044\uff09\u3068\u3053\u308d<\/a><\/li><li><a href=\"#faqs-aeo-featured-snippet-targeting\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08AEO \/ Featured Snippet\u30bf\u30fc\u30b2\u30c6\u30a3\u30f3\u30b0\uff09<\/a><ul><li><a href=\"#what-is-ugr-and-what-does-ugr-19-mean-in-offices\">UGR\u3068\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u30aa\u30d5\u30a3\u30b9\u306b\u304a\u3051\u308bUGR&lt;19\u306e\u610f\u5473\u3068\u306f\uff1f<\/a><\/li><li><a href=\"#is-ugr-19-required-by-en-12464-1-for-office-lighting\">EN 12464-1\u3067\u306f\u3001\u30aa\u30d5\u30a3\u30b9\u7528\u7167\u660e\u306bUGR&lt;19\u304c\u8981\u6c42\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/a><\/li><li><a href=\"#how-do-microprismatic-diffusers-help-achieve-ugr-19\">\u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\u306fUGR&lt;19\u306e\u9054\u6210\u306b\u3069\u306e\u3088\u3046\u306b\u5f79\u7acb\u3061\u307e\u3059\u304b\uff1f<\/a><\/li><li><a href=\"#how-do-i-verify-ugr-19-in-a-real-office-not-just-on-a-datasheet\">\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u4e0a\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306e\u30aa\u30d5\u30a3\u30b9\u3067UGR&lt;19\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\uff1f<\/a><\/li><li><a href=\"#why-do-bright-led-troffers-cause-glare-complaints-even-when-lighting-levels-are-correct\">\u7167\u660e\u30ec\u30d9\u30eb\u304c \u201c\u9069\u6b63 \u201d\u3067\u3042\u3063\u3066\u3082\u3001\u660e\u308b\u3044LED\u30c8\u30ed\u30d5\u30a1\u30fc\u304c\u30b0\u30ec\u30a2\u306e\u82e6\u60c5\u3092\u5f15\u304d\u8d77\u3053\u3059\u306e\u306f\u306a\u305c\u304b\uff1f<\/a><\/li><li><a href=\"#does-color-temperature-affect-glare-perception\">\u8272\u6e29\u5ea6\u306f\u30b0\u30ec\u30a2\u77e5\u899a\u306b\u5f71\u97ff\u3059\u308b\u304b\uff1f<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion-want-a-ugr-19-design-you-can-defend\">\u7d50\u8ad6\u5b88\u308c\u308bUGR&lt;19\u306e\u30c7\u30b6\u30a4\u30f3\u304c\u6b32\u3057\u3044\u304b\uff1f<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-e67bd30\" id=\"gspb_image-id-gsbp-e67bd30\"><img decoding=\"async\" src=\"https:\/\/chineseledlight.com\/wp-content\/uploads\/2026\/02\/UGR-Low-Glare-Office-Lighting-Designing-Toward-UGR19-2.jpg\" data-src=\"\" alt=\"UGR\u3068\u4f4e\u30b0\u30ec\u30a2\u30aa\u30d5\u30a3\u30b9\u7167\u660e UGR19\u306b\u5411\u3051\u305f\u8a2d\u8a08\" loading=\"lazy\" width=\"750\" height=\"750\" title=\"\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-hard-truth-ugr-19-is-usually-a-paper-promise-not-a-room-outcome\">\u53b3\u3057\u3044\u771f\u5b9f\uff1a\u300cUGR&lt;19\u300d\u306f\u901a\u5e38\u3001\u7d19\u306e\u7d04\u675f\u3067\u3042\u308a\u3001\u90e8\u5c4b\u306e\u7d50\u679c\u3067\u306f\u306a\u3044\u3002<\/h2>\n\n\n\n<p>UGR\u306f\u3001\u90e8\u5c4b\u306e\u5927\u304d\u3055\u3001\u53cd\u5c04\u7387\uff08\u591a\u304f\u306e\u5834\u540870\/50\/20\uff09\u3001\u89b3\u5bdf\u8005\u306e\u4f4d\u7f6e\u3001\u7167\u660e\u5668\u5177\u306e\u6e2c\u5149\u3001\u305d\u3057\u3066\u767a\u5149\u9762\u304c\u5747\u4e00\u3067\u3042\u308b\u3068\u3044\u3046\u8003\u3048\u306a\u3069\u3001\u4eee\u5b9a\u306e\u4e2d\u306b\u751f\u304d\u3066\u3044\u308b\u8a08\u7b97\u3067\u3059\u3002\u5149\u5b66\u7cfb\u3092\u4ea4\u63db\u3057\u305f\u308a\u3001\u5929\u4e95\u306e\u9ad8\u3055\u3092\u5909\u3048\u305f\u308a\u3001\u5149\u6ca2\u306e\u3042\u308b\u673a\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u4e2d\u5fc3\u90e8\u306e\u660e\u308b\u3055\u304c\u5c0f\u3055\u3044\u5668\u5177\u306b8,000\u30eb\u30fc\u30e1\u30f3\u3092\u8d85\u3048\u308b\u30eb\u30fc\u30e1\u30f3\u3092\u8a70\u3081\u8fbc\u3093\u3060\u308a\u3057\u305f\u9014\u7aef\u3001\u300cUGR&lt;19\u300d\u30d0\u30c3\u30b8\u306f\u30b3\u30a4\u30f3\u30fb\u30d5\u30ea\u30c3\u30d7\u306b\u5909\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u7c73\u56fd\u4e00\u822c\u7ba1\u7406\u5c40\u306f\u3001\u4e00\u90e8\u306e\u7ba1\u7403\u5f0fLED\u306e\u5f8c\u4ed8\u3051\u7d4c\u8def\u306f\u300c\u65e2\u5b58\u306e\u30c8\u30eb\u30fc\u30d5\u30a1\u30fc\u306e\u5149\u5b66\u7cfb\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u300d\u3068\u8b66\u544a\u3057\u3066\u304a\u308a\u3001\u305d\u306e\u6b20\u70b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\u3002<strong>\u201c\u307e\u3076\u3057\u3055\u3068\u914d\u7d66\u201d<\/strong> \u3053\u308c\u306f\u653f\u5e9c\u7528\u8a9e\u3067 \u201c\u82e6\u60c5\u304c\u6765\u308b\u305e \u201d\u3068\u3044\u3046\u610f\u5473\u3060\u3002\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-ugr-19-target-what-it-is-and-what-it-isn-t\">UGR&lt;19\u306e\u76ee\u6a19\uff1a\u305d\u308c\u306f\u4f55\u306a\u306e\u304b\uff08\u305d\u3057\u3066\u4f55\u3067\u306f\u306a\u3044\u306e\u304b\uff09<\/h2>\n\n\n\n<p>\u3082\u3057 <strong>EN 12464-1<\/strong>, \u30eb\u30af\u30b9\u3092\u8ffd\u3044\u6c42\u3081\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4e0d\u5feb\u306a\u30b0\u30ec\u30a2\u3001\u30d9\u30fc\u30ea\u30f3\u30b0\u53cd\u5c04\u3001\u30d5\u30ea\u30c3\u30ab\u30fc\u3001DSE\uff08\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u30fb\u30b9\u30af\u30ea\u30fc\u30f3\u88c5\u7f6e\uff09\u306e\u72b6\u614b\u3082\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u30022021\u5e74\u6539\u8a02\u7248\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u691c\u8a3c\u624b\u9806\u304c\u660e\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <strong>\u7d71\u4e00\u30b0\u30ec\u30a2\u8a55\u4fa1<\/strong>, \u5b9f\u969b\u306e\u90e8\u5c4b\u306f\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30e2\u30dc\u30c3\u30af\u30b9\u306e\u3088\u3046\u306b\u306f\u52d5\u304b\u306a\u3044\u304b\u3089\u3060\u3002.<\/p>\n\n\n\n<p>\u3060\u304b\u3089\u3001\u79c1\u304c\u300cUGR19\u306e\u30aa\u30d5\u30a3\u30b9\u7167\u660e\u300d\u3068\u8a00\u3063\u305f\u306e\u306f\u3001\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u3088\u308a\u3082\u3082\u3063\u3068\u53b3\u3057\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3053\u306e\u30d5\u30a3\u30af\u30b9\u30c1\u30e3\u30fc\u306e\u6e2c\u5149\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u3082\u7dad\u6301\u3055\u308c\u308b\u3002 <strong>\u3042\u306a\u305f\u306e<\/strong> \u30b8\u30aa\u30e1\u30c8\u30ea\u30fc\u3060\u3001,<\/li>\n\n\n\n<li>\u767a\u5149\u9762\u306f\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u767a\u751f\u3055\u305b\u306a\u3044\u3001,<\/li>\n\n\n\n<li>\u660e\u308b\u3044\u5149\u6e90\u3092\u30b9\u30af\u30ea\u30fc\u30f3\u306b\u5bfe\u3057\u3066\u60aa\u3044\u89d2\u5ea6\u306b\u7f6e\u304b\u306a\u3044\u30ec\u30a4\u30a2\u30a6\u30c8\u3001,<\/li>\n\n\n\n<li>\u305d\u3057\u3066\u3001\u30d0\u30a4\u30d6\u3067\u306f\u306a\u304f\u30d5\u30a1\u30a4\u30eb\u3067\u305d\u308c\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"why-offices-fail-glare-tests-even-when-the-spec-says-ugr-19\">UGR&lt;19\u3068\u3044\u3046\u30b9\u30da\u30c3\u30af\u3067\u3082\u30aa\u30d5\u30a3\u30b9\u304c\u30b0\u30ec\u30a2\u30c6\u30b9\u30c8\u3067\u4e0d\u5408\u683c\u306b\u306a\u308b\u7406\u7531<\/h2>\n\n\n\n<p>\u77ed\u3044\u6587\u7ae0\u3060\u3002.<br>\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u304c\u5feb\u9069\u3055\u3092\u53f0\u7121\u3057\u306b\u3059\u308b\u3002.<br>UGR&lt;19 \u201c\u30d1\u30cd\u30eb\u306f\u3001\u767a\u5149\u30a8\u30ea\u30a2\u304c\u30d5\u30a3\u30af\u30b9\u30c1\u30e3\u30fc\u9762\u3088\u308a\u5c0f\u3055\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u5149\u5b66\u90e8\u54c1\u304c\u5c40\u6240\u7684\u306a\u9ad8\u8f1d\u5ea6\u30be\u30fc\u30f3\u3092\u4f5c\u308a\u3001UGR\u30e2\u30c7\u30eb\u304c\u305d\u308c\u3092\u904e\u5c0f\u8a55\u4fa1\u3059\u308b\u5834\u5408\u3001\u307e\u3060\u53b3\u3057\u3044\u3068\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u30ab\u30ea\u30d5\u30a9\u30eb\u30cb\u30a2\u5dde\u30a8\u30cd\u30eb\u30ae\u30fc\u59d4\u54e1\u4f1a\u306e\u7814\u7a76\u8005\u306f\u30012023\u5e74\u306e\u6280\u8853\u5831\u544a\u66f8\u306e\u4e2d\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u660e\u78ba\u306b\u8ff0\u3079\u3066\u3044\u308b\uff1a\u5e02\u8ca9\u306e\u30c8\u30ed\u30d5\u30a1\u30fc\u306f\u3001\u3057\u3070\u3057\u3070\u9ad8\u51fa\u529b\u30d1\u30c3\u30b1\u30fc\u30b8\uff088,000\u30eb\u30fc\u30e1\u30f3\u3092\u8d85\u3048\u308b\u7570\u5e38\u5024\u3092\u542b\u3080\uff09\u3067\u51fa\u8377\u3055\u308c\u3001\u305d\u308c\u3089\u306e\u9ad8\u30eb\u30fc\u30e1\u30f3\u30d1\u30c3\u30b1\u30fc\u30b8\u306f <strong>\u307e\u3076\u3057\u3044\u3068\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308b<\/strong>, \u7279\u306b\u53d6\u308a\u4ed8\u3051\u9ad8\u3055\u304c\u4f4e\u3044\u5834\u5408\uff08\u901a\u5e38 <strong>8\u2019-12\u2032<\/strong>).<\/p>\n\n\n\n<p>\u3053\u306e1\u6bb5\u843d\u3067\u3001\u79c1\u304c\u5165\u5c45\u5f8c\u306e\u5831\u544a\u66f8\u3067\u76ee\u306b\u3059\u308b\u4e0d\u6e80\u306e\u7d0480%\u304c\u8aac\u660e\u3055\u308c\u308b\u3002\u76ee\u6a19\u7167\u5ea6\u3092\u6e80\u305f\u3057\u3066\u3044\u3066\u3082\u3001\u767a\u5149\u9762\u304c\u5f37\u3059\u304e\u305f\u308a\u3001\u5c0f\u3055\u3059\u304e\u305f\u308a\u3001\u4e0d\u5747\u4e00\u3059\u304e\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u3001\u90e8\u5c4b\u3092\u5931\u3046\u3053\u3068\u304c\u3042\u308b\u306e\u3060\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"the-optics-that-actually-move-the-needle-and-the-ones-that-don-t\">\u5b9f\u969b\u306b\u91dd\u3092\u52d5\u304b\u3059\u5149\u5b66\u7cfb\uff08\u305d\u3057\u3066\u52d5\u304b\u3055\u306a\u3044\u5149\u5b66\u7cfb\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-microprismatic-diffuser-good-when-it-s-real-not-patterned-plastic\">1 \u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\uff08\u300c\u30d1\u30bf\u30fc\u30f3\u5316\u3055\u308c\u305f\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u300d\u3067\u306f\u306a\u304f\u3001\u672c\u7269\u306e\u5834\u5408\u306f\u826f\u3044\uff09<\/h3>\n\n\n\n<p>\u771f\u306e\u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u5149\u5b66\u90e8\u54c1\u306f\u3001\u9ad8\u89d2\u5ea6\u8f1d\u5ea6\uff08\u30e2\u30cb\u30bf\u30fc\u304b\u3089\u9854\u3092\u4e0a\u3052\u305f\u3068\u304d\u306b\u6c17\u306b\u306a\u308b\u8f1d\u5ea6\uff09\u3092\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3057\u304b\u3057\u3001\u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u306b\u306f\u6c5a\u3044\u79d8\u5bc6\u3082\u3042\u308b\u3002\u5b89\u4fa1\u306a\u30d7\u30ea\u30ba\u30e0\u306f\u30ad\u30e9\u30ad\u30e9\u3068\u8f1d\u304d\u3001\u305f\u3068\u3048UGR\u30c6\u30fc\u30d6\u30eb\u304c\u554f\u984c\u306a\u304f\u898b\u3048\u3066\u3082\u3001\u654f\u611f\u306a\u30e6\u30fc\u30b6\u30fc\u306b\u306f\u30ad\u30e9\u30ad\u30e9\u304c\u300c\u30b0\u30ec\u30a2\u300d\u3068\u3057\u3066\u8aad\u307f\u53d6\u308c\u308b\u306e\u3060\u3002.<\/p>\n\n\n\n<p>\u30bd\u30fc\u30b7\u30f3\u30b0\u3092\u3059\u308b\u5834\u5408\u3001\u201cUGR&lt;19? \u201d\u3068\u805e\u304f\u3060\u3051\u3067\u306f\u3044\u3051\u306a\u3044\u3002\u3068\u5c0b\u306d\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u305d\u306e <strong>UGR\u30c6\u30fc\u30d6\u30eb<\/strong> \u6761\u4ef6\uff08\u30eb\u30fc\u30e0\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u53cd\u5c04\u7387\uff09\u3001,<\/li>\n\n\n\n<li>\u305d\u306e <strong>IES\/LDT<\/strong> \u6e2c\u5149\uff08DIALux\/AGi32\u3092\u81ea\u5206\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\uff09\u3001,<\/li>\n\n\n\n<li>\u305d\u3057\u3066 <strong>\u8f1d\u5ea6<\/strong> \u30d3\u30e5\u30fc\uff08cd\/m\u00b2\u30d2\u30fc\u30c8\u30de\u30c3\u30d7\uff09\u304c\u3042\u308b\u5834\u5408\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u63d0\u51fa\u6e96\u5099\u306e\u6574\u3063\u305f\u6587\u66f8\u304c\u8fc5\u901f\u306b\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\uff1a <a href=\"https:\/\/chineseledlight.com\/ja\/resources\/\">LED\u7167\u660e IES\/LDT\u30d5\u30a9\u30c8\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u63d0\u51fa\u8cc7\u6599<\/a> \u306f\u3001\u8b70\u8ad6\u3092\u7d42\u3048\u3066\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u3057\u305f\u3044\u3068\u304d\u306b\u30c1\u30fc\u30e0\u306b\u6e21\u3059\u30ea\u30f3\u30af\u306e\u3088\u3046\u306a\u3082\u306e\u3060\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-louvers-grille-optics-best-when-screens-dominate-the-room\">2 \u30eb\u30fc\u30d0\u30fc\/\u30b0\u30ea\u30eb\u5149\u5b66\u7cfb\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u304c\u90e8\u5c4b\u3092\u652f\u914d\u3059\u308b\u5834\u5408\u306b\u6700\u9069\uff09<\/h3>\n\n\n\n<p>\u30b0\u30ea\u30eb\u7167\u660e\u5668\u5177\u304c\u6a5f\u80fd\u3059\u308b\u306e\u306f\u3001\u554f\u984c\u3068\u306a\u308b\u89d2\u5ea6\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001LED\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5149\u5b66\u7cfb\u306e\u5965\u6df1\u304f\u306b\u96a0\u3059\u304b\u3089\u3060\u3002\u58c1\u639b\u3051\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u3084\u5149\u6ca2\u306e\u3042\u308b\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u304c\u3042\u3061\u3053\u3061\u306b\u3042\u308b\u30aa\u30fc\u30d7\u30f3\u30aa\u30d5\u30a3\u30b9\u3067\u306f\u3001\u3053\u308c\u304c\u6700\u3082\u60aa\u304f\u306a\u3044\u7b54\u3048\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p>\n\n\n\n<p>\u30d5\u30a3\u30af\u30b9\u30c1\u30e3\u30fc\u306e\u30aa\u30eb\u30bf\u30cd\u30fc\u30c8\u3092\u4f5c\u308b\u3068\u304d\u306e\u53c2\u8003\u306b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/chineseledlight.com\/ja\/anti-glare-led-surface-mounted-linear-grille-light\/\">\u30a2\u30f3\u30c1\u30b0\u30ec\u30a2LED\u8868\u9762\u5b9f\u88c5\u30ea\u30cb\u30a2\u30b0\u30ea\u30eb\u30e9\u30a4\u30c8<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/chineseledlight.com\/ja\/surface-mounted-all-aluminum-anti-glare-linear-ceiling-light\/\">\u9762\u5b9f\u88c5\u30aa\u30fc\u30eb\u30a2\u30eb\u30df\u88fd\u9632\u7729\u30ea\u30cb\u30a2\u30b7\u30fc\u30ea\u30f3\u30b0\u30e9\u30a4\u30c8<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-opal-diffuser-panels-fine-for-softness-risky-for-ugr-marketing-claims\">3\u679a\u306e \u201c\u30aa\u30d1\u30fc\u30eb\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc \u201d\u30d1\u30cd\u30eb\uff08\u67d4\u3089\u304b\u3055\u306b\u306f\u554f\u984c\u306a\u3044\u304c\u3001UGR\u306e\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4e3b\u5f35\u306b\u306f\u30ea\u30b9\u30af\u304c\u3042\u308b\uff09<\/h3>\n\n\n\n<p>\u30aa\u30d1\u30fc\u30eb\u306f\u5fc3\u5730\u3088\u304f\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u30d1\u30cd\u30eb\u304c\u30cf\u30fc\u30c9\u306b\u99c6\u52d5\u3055\u308c\u3001\u30ef\u30c3\u30c8\u6570\u304c\u9ad8\u304f\u3001\u767a\u5149\u9762\u7a4d\u304c\u72ed\u3044\u3068\u3001\u540c\u3058\u4e0d\u6e80\u306e\u30b5\u30a4\u30af\u30eb\u306b\u623b\u3063\u3066\u3057\u307e\u3046\u3002\u30aa\u30d1\u30fc\u30eb\u306f\u70b9\u5149\u6e90\u3092\u30de\u30b9\u30af\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u91cd\u8981\u306a\u89d2\u5ea6\u3067\u306e\u9ad8\u8f1d\u5ea6\u3092\u9b54\u6cd5\u306e\u3088\u3046\u306b\u9664\u53bb\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002.<\/p>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-1de206a\" id=\"gspb_image-id-gsbp-1de206a\"><img decoding=\"async\" src=\"https:\/\/chineseledlight.com\/wp-content\/uploads\/2026\/02\/UGR-Low-Glare-Office-Lighting-Designing-Toward-UGR19-3.jpg\" data-src=\"\" alt=\"UGR\u3068\u4f4e\u30b0\u30ec\u30a2\u30aa\u30d5\u30a3\u30b9\u7167\u660e UGR19\u306b\u5411\u3051\u305f\u8a2d\u8a08\" loading=\"lazy\" width=\"750\" height=\"750\" title=\"\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"layout-the-part-everyone-skips-and-then-regrets\">\u30ec\u30a4\u30a2\u30a6\u30c8\uff1a\u8ab0\u3082\u304c\u7701\u7565\u3057\u3001\u305d\u3057\u3066\u5f8c\u6094\u3059\u308b\u90e8\u5206<\/h2>\n\n\n\n<p>3\u3064\u306e\u8a00\u8449\u3060\u3002.<br>\u89d2\u5ea6\u306f\u3082\u3063\u3068\u91cd\u8981\u3060\u3002.<br>\u6e2c\u5149\u7cbe\u5ea6\u306e\u826f\u3044\u7167\u660e\u5668\u5177\u3067\u3082\u3001\u898b\u308b\u65b9\u5411\u3084\u30b9\u30af\u30ea\u30fc\u30f3\u306e\u50be\u304d\u306b\u5bfe\u3057\u3066\u9593\u9055\u3063\u305f\u5834\u6240\u306b\u8a2d\u7f6e\u3059\u308c\u3070\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u30dd\u30b8\u30b7\u30e7\u30f3\u30fb\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u300d\uff08\u4e0d\u5feb\u30b0\u30ec\u30a2\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8981\u7d20\uff09\u306b\u95a2\u3059\u308b\u7c73\u56fdDOE\u306e\u5b9f\u9a13\u3067\u306f\u3001\u7814\u7a76\u8005\u306f\u5149\u6e90\u4f4d\u7f6e\u3092\u5909\u5316\u3055\u305b\u3001\u6025\u89d2\u5ea6\u306e\u982d\u4e0a\u5149\u6e90\u304c\u691c\u51fa\u30fb\u5b9a\u91cf\u5316\u3067\u304d\u308b\u3053\u3068\u3001\u305d\u3057\u3066\u30e2\u30c7\u30ea\u30f3\u30b0\u306f\u504f\u308a\u3068\u5f62\u72b6\u3092\u9069\u5207\u306b\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3002\u30c7\u30b6\u30a4\u30ca\u30fc\u3078\u306e\u7ffb\u8a33 <strong>\u30b8\u30aa\u30e1\u30c8\u30ea\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u3044<\/strong>.<\/p>\n\n\n\n<p>\u79c1\u304c\u5b9f\u969b\u306b\u4fe1\u983c\u3057\u3066\u3044\u308b\u5b9f\u8df5\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30eb\u30fc\u30eb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ea7\u3063\u3066\u306e\u4f5c\u696d\uff08\u30b9\u30af\u30ea\u30fc\u30f3\uff0b\u982d\u3092\u4e0b\u3052\u3066\u306e\u4f5c\u696d\uff09\u3067\u306f\u3001\u9ad8\u8f1d\u5ea6\u306e\u958b\u53e3\u90e8\u3092\u8996\u7dda\u306e\u4e3b\u8981\u306a\u5186\u9310\u304b\u3089\u9060\u3056\u3051\u308b\u3002.<\/li>\n\n\n\n<li>\u7528\u9014 <strong>\u4f4e\u8f1d\u5ea6\u3067\u3088\u308a\u5927\u304d\u306a\u767a\u5149\u30a8\u30ea\u30a2<\/strong>, \u9ad8\u8f1d\u5ea6\u3067\u7d5e\u308a\u3092\u5c0f\u3055\u304f\u3059\u308b\u3088\u308a\u3082\uff08\u8a08\u7b97\u3059\u308b\u524d\u306b\u305d\u306e\u9055\u3044\u3092\u611f\u3058\u308b\u3060\u308d\u3046\uff09\u3002.<\/li>\n\n\n\n<li>\u4f4e\u3044\u5929\u4e95\u306b\u30eb\u30fc\u30e1\u30f3\u3092\u8a70\u3081\u8fbc\u307f\u3059\u304e\u306a\u3044\u3053\u3068\u3002CEC\u306e\u5831\u544a\u66f8\u306e8\u30d5\u30a3\u30fc\u30c8-12\u30d5\u30a3\u30fc\u30c8\u306e\u30c8\u30ed\u30fc\u30d5\u30a1\u30fc\u306e\u9ad8\u3055\u306f\u3001\u307e\u3055\u306b\u30aa\u30d5\u30a3\u30b9\u304c\u751f\u6d3b\u3059\u308b\u5834\u6240\u3067\u3042\u308a\u3001\u307e\u3055\u306b\u307e\u3076\u3057\u3055\u304c\u500b\u4eba\u7684\u306a\u3082\u306e\u3068\u306a\u308b\u5834\u6240\u3067\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cct-spectrum-and-the-cool-white-trap\">CCT\u3001\u30b9\u30da\u30af\u30c8\u30e9\u30e0\u3001\u305d\u3057\u3066\u300c\u30af\u30fc\u30eb\u30db\u30ef\u30a4\u30c8\u300d\u306e\u7f60<\/h2>\n\n\n\n<p>\u4e0d\u8a55\u306a\u90e8\u5206\u3092\u8a00\u308f\u305b\u3066\u3082\u3089\u3048\u3070\u3001\u696d\u754c\u306f\u3044\u307e\u3060\u306bCCT\u3092\u8a2d\u8a08\u306e\u6027\u683c\u30c6\u30b9\u30c8\u306e\u3088\u3046\u306b\u6271\u3044\uff08\u300c\u30e2\u30c0\u30f3\uff1d5000K\u300d\uff09\u3001\u30b0\u30ec\u30a2\u611f\u5ea6\u304c\u7d14\u7c8b\u306b\u660e\u308b\u3055\u3060\u3051\u306e\u554f\u984c\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u7121\u8996\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>\u5065\u5eb7\u3078\u306e\u5f71\u97ff\u3068\u56fa\u4f53\u7167\u660e\u306b\u95a2\u3059\u308b2024\u5e74\u306eIEA 4E\u30ec\u30d3\u30e5\u30fc\u3067\u306f\u3001\u4e0d\u5feb\u30b0\u30ec\u30a2\u306e\u82e6\u60c5\u306f\u3059\u3050\u306b\u73fe\u308c\u308b\u3053\u3068\u3001\u5c0f\u578b\/\u9ad8\u8f1d\u5ea6LED\u5149\u6e90\u306f\u9ad8\u3044\u8f1d\u5ea6\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3092\u4f5c\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3001\u30b9\u30da\u30af\u30c8\u30eb\u30d1\u30ef\u30fc\u5206\u5e03\u304c\u4e0d\u5feb\u30b0\u30ec\u30a2\u3001\u7279\u306b\u9ad8\u3044\u77ed\u6ce2\u9577\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u6307\u6458\u3057\u3066\u3044\u308b\u304c\u3001\u307e\u3060\u5b8c\u5168\u306a\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u304c\u5f97\u3089\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u8a8d\u3081\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>\u4e00\u65b9\u3001GSA\/PNNL\u306b\u3088\u308b\u9023\u90a6\u30d3\u30eb\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u306b\u3088\u308c\u3070\u3001\u307b\u3068\u3093\u3069\u306e\u5c45\u4f4f\u8005\u306f\u6696\u304b\u3044\u6e29\u5ea6\u3092\u597d\u3080\u3068\u3044\u3046\u3002<strong>3000K\u304a\u3088\u30733500K<\/strong> \u3053\u308c\u306f\u300c\u7f8e\u7684\u300d\u3067\u306f\u306a\u304f\u3001\u5c45\u4f4f\u8005\u306e\u5feb\u9069\u6027\u3068\u982d\u75db\u306e\u7a2e\u3067\u3059\u3002\u3053\u308c\u306f\u300c\u7f8e\u7684\u300d\u3067\u306f\u306a\u304f\u3001\u5c45\u4f4f\u8005\u306e\u5feb\u9069\u6027\u3068\u982d\u75db\u306e\u7a2e\u306a\u306e\u3060\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"controls-energy-wins-don-t-excuse-glare-losses\">\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff1a\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u52dd\u5229\u306f\u30b0\u30ec\u30a2\u640d\u5931\u306e\u8a00\u3044\u8a33\u306b\u306f\u306a\u3089\u306a\u3044<\/h2>\n\n\n\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306f\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u7bc0\u7d04\u3059\u308b\u3002\u672c\u5f53\u3067\u3059\u3002.<br>\u3057\u304b\u3057\u3001\u8f1d\u5ea6\u914d\u5206\u306e\u60aa\u3055\u306f\u76f4\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<p>GSA\u306e2024\u5e74\u30ac\u30a4\u30c0\u30f3\u30b9\u3067\u306f\u3001LED\u306f\u3059\u3067\u306b\u52b9\u7387\u7684\u3067\u3042\u308b\u305f\u3081\u3001\u5236\u5fa1\u306f\u5927\u5e45\u306a\u7bc0\u7d04\u3092\u3082\u305f\u3089\u3059\u304c\u3001ROI\u306f\u96e3\u3057\u3044\u3068\u3044\u3046\u70b9\u3092\u6307\u6458\u3057\u3066\u3044\u308b\u3002 <strong>HVAC\u306e\u7bc0\u7d04 &gt;20%<\/strong> HVAC\u306e\u7d71\u5408\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5316\u3055\u308c\u305f\u7167\u660e\uff0f\u7a3c\u50cd\u7387\u30bb\u30f3\u30b7\u30f3\u30b0\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u308b\u5834\u5408\u3002\u305d\u308c\u306f\u6709\u610f\u7fa9\u306a\u3053\u3068\u3060\u304c\u3001\u57fa\u672c\u8a2d\u8a08\u3067\u8996\u899a\u7684\u5feb\u9069\u6027\u3092\u72a0\u7272\u306b\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u9650\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"a-reality-based-fixture-selection-path-ugr-19-edition\">\u73fe\u5b9f\u306b\u57fa\u3065\u3044\u305f\u30d5\u30a3\u30af\u30b9\u30c1\u30e3\u30fc\u9078\u629e\u30d1\u30b9\uff08UGR&lt;19\u7248\uff09<\/h2>\n\n\n\n<p>\u30ab\u30bf\u30ed\u30b0\u3067\u8cb7\u3046\u3068\u3001\u540c\u3058\u3088\u3046\u306b\u60aa\u3044\u65e2\u5b9a\u8def\u7dda\u306b\u6d41\u308c\u3066\u3057\u307e\u3046\u3002\u3080\u3057\u308d\u3001\u8a3c\u660e\u306b\u3088\u3063\u3066\u8cb7\u3044\u7269\u3092\u3057\u3066\u307b\u3057\u3044\u3002.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u7167\u660e\u5668\u5177\u30d5\u30a1\u30df\u30ea\u30fc\u3092\u9078\u3076<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e83\u3044\u30aa\u30fc\u30d7\u30f3\u30aa\u30d5\u30a3\u30b9\uff1a\u30b0\u30ea\u30eb\u307e\u305f\u306f\u30c7\u30a3\u30fc\u30d7\u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30ea\u30cb\u30a2\u30b7\u30b9\u30c6\u30e0\u3092\u691c\u8a0e\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u306e\u591a\u3044\u90e8\u5c4b\u306f\u906e\u853d\u304c\u5fc5\u8981\uff09\u3002.<\/li>\n\n\n\n<li>\u500b\u5ba4\uff0b\u4f1a\u8b70\u5ba4\uff1a\u30a2\u30f3\u30b0\u30eb\u3092\u5de5\u592b\u3059\u308c\u3070\u3001\u4f4e\u8f1d\u5ea6\u30d1\u30cd\u30eb\u3082\u6709\u52b9\u3002.<\/li>\n\n\n\n<li>\u30df\u30c3\u30af\u30b9\u30e6\u30fc\u30b9\uff1a\u30d3\u30fc\u30e0\u306e\u65b9\u5411\u3068\u8f1d\u5ea6\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u30c0\u30a6\u30f3\u30e9\u30a4\u30c8\u306e\u307f\u306e\u30ec\u30a4\u30e4\u30fc\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u30aa\u30d5\u30a3\u30b9\u30bf\u30a4\u30d7\u306e\u5099\u54c1\u3084\u5bb6\u65cf\u5411\u3051\u306e\u51fa\u767a\u70b9\u3068\u3057\u3066\u5f79\u7acb\u3064\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/chineseledlight.com\/ja\/led-ceiling-lighting\/\">\u30af\u30ea\u30fc\u30f3\u3067\u5747\u4e00\u306a\u30aa\u30d5\u30a3\u30b9\u7167\u660e\u3092\u5b9f\u73fe\u3059\u308bLED\u5929\u4e95\u7167\u660e<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/chineseledlight.com\/ja\/led-commercial-lighting\/\">\u30aa\u30d5\u30a3\u30b9\u3084\u30db\u30b9\u30d4\u30bf\u30ea\u30c6\u30a3\u5411\u3051\u306eLED\u696d\u52d9\u7528\u7167\u660e\u30ab\u30c6\u30b4\u30ea\u30fc<\/a><\/li>\n\n\n\n<li>\u30aa\u30d5\u30a3\u30b9\u306e\u4f8b\uff1a <a href=\"https:\/\/chineseledlight.com\/ja\/led-recessed-ceiling-light-suitable-for-offices\/\">\u30aa\u30d5\u30a3\u30b9\u306b\u6700\u9069\u306aLED\u57cb\u3081\u8fbc\u307f\u578b\u30b7\u30fc\u30ea\u30f3\u30b0\u30e9\u30a4\u30c8<\/a><\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30a8\u30d3\u30c7\u30f3\u30b9\u30fb\u30d1\u30c3\u30af\u3092\u8981\u6c42\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IES\/LDT\u6e2c\u5149<\/li>\n\n\n\n<li>UGR\u8868\uff08\u53cd\u5c04\u7387\uff0b\u30eb\u30fc\u30e0\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4ed8\u304d<\/li>\n\n\n\n<li>\u30c9\u30e9\u30a4\u30d0\u30fc\u60c5\u5831\uff08\u8abf\u5149\u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u30d5\u30ea\u30c3\u30ab\u30fc\u52d5\u4f5c\uff09<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3001\u305d\u3057\u3066\u30b5\u30cb\u30c6\u30a3\u30fb\u30c1\u30a7\u30c3\u30af<br>DIALux\/Relux\/AGi32\uff1aUGR\u3001\u7167\u5ea6\u3001\u5747\u4e00\u6027\u3092\u8a08\u7b97\u3057\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3067\u8f1d\u5ea6\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u63a2\u3059\u3002\u30e1\u30fc\u30ab\u30fc\u304c\u300cUGR&lt;19\u300d\u3068\u4e3b\u5f35\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u6e2c\u5149\u3092\u63d0\u4f9b\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u69cb\u9020\u8a08\u7b97\u306e\u6b20\u843d\u306e\u3088\u3046\u306b\u6271\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30b9\u30da\u30c3\u30af\u3092\u5b88\u308a\u7d9a\u3051\u308b<br>\u3053\u308c\u306f \u201c\u8abf\u67fb\u5831\u9053\u30b8\u30e3\u30fc\u30ca\u30ea\u30b9\u30c8 \u201d\u306e\u77ac\u9593\u3067\u3042\u308b\u3002\u30d1\u30f3\u30d5\u30ec\u30c3\u30c8\u306e\u305f\u3081\u306b\u66f8\u3044\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5165\u5c451\u9031\u76ee\u4ee5\u964d\u306b\u73fe\u308c\u308b\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30b9\u30ec\u30c3\u30c9\u306e\u305f\u3081\u306b\u66f8\u3044\u3066\u3044\u308b\u306e\u3060\u3002.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"comparison-table-where-ugr-projects-usually-go-right-or-wrong\">\u6bd4\u8f03\u8868\uff1aUGR\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u901a\u5e38\u3046\u307e\u304f\u3044\u304b\u306a\u3044\uff08\u3042\u308b\u3044\u306f\u3046\u307e\u304f\u3044\u304b\u306a\u3044\uff09\u3068\u3053\u308d<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30a2\u30d7\u30ed\u30fc\u30c1<\/th><th>\u5178\u578b\u7684\u306a\u30a2\u30c3\u30d7\u30b5\u30a4\u30c9<\/th><th>\u5178\u578b\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9<\/th><th>\u3044\u3064\u4f7f\u3046\u304b<\/th><\/tr><\/thead><tbody><tr><td>\u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0UGR&lt;19 LED\u30d1\u30cd\u30eb<\/td><td>\u512a\u308c\u305f\u30cf\u30a4\u30a2\u30f3\u30b0\u30eb\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3002<\/td><td>\u4f4e\u54c1\u8cea\u306e\u30d7\u30ea\u30ba\u30e0\u306b\u3088\u308b\u8f1d\u304d\uff0f\u300c\u304d\u3089\u3081\u304d\u300d\u3002<\/td><td>\u898f\u5f8b\u3042\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u6a19\u6e96\u7684\u306a\u30aa\u30d5\u30a3\u30b9\uff0b\u691c\u8a3c\u6e08\u307f\u306e\u6e2c\u5149<\/td><\/tr><tr><td>\u30aa\u30d1\u30fc\u30eb\u62e1\u6563\u677f<\/td><td>\u30bd\u30d5\u30c8\u306a\u5916\u89b3\u3001\u70b9\u5149\u6e90\u3092\u96a0\u3059<\/td><td>\u30cf\u30fc\u30c9\u306b\u30c9\u30e9\u30a4\u30d6\uff08\u9ad8\u30eb\u30fc\u30e1\u30f3\u5bc6\u5ea6\uff09\u3057\u3066\u3082\u3001\u30b0\u30ec\u30a2\u3068\u3057\u3066\u8aad\u307f\u53d6\u3089\u308c\u308b\u3002<\/td><td>\u30eb\u30fc\u30e1\u30f3\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u63a7\u3048\u3081\u306a\u5834\u5408\u306e\u307f\u3001\u5929\u4e95\u304c\u4f4e\u304f\u306a\u308b<\/td><\/tr><tr><td>\u30ea\u30cb\u30a2\u30b0\u30ea\u30eb\/\u30eb\u30fc\u30d0\u30fc\u7167\u660e\u5668\u5177<\/td><td>DSE\u3092\u5f37\u529b\u306b\u906e\u853d\u3002<\/td><td>\u58c1\u3068\u5929\u4e95\u306e\u53cd\u5c04\u7387\u304c\u60aa\u3044\u3068\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u5f37\u8abf\u3055\u308c\u308b\u3002<\/td><td>\u30aa\u30fc\u30d7\u30f3\u30d7\u30e9\u30f3\u306e\u30aa\u30d5\u30a3\u30b9\u3068\u30b9\u30af\u30ea\u30fc\u30f3\u3092\u591a\u7528\u3057\u305f\u30ec\u30a4\u30a2\u30a6\u30c8<\/td><\/tr><tr><td>\u30c1\u30e5\u30fc\u30d6LED\u30c8\u30ed\u30fc\u30d5\u30a1\u30fc\u306e\u6539\u4fee\uff08\u53e4\u3044\u30cf\u30a6\u30b8\u30f3\u30b0\u3092\u7dad\u6301\uff09<\/td><td>\u5b89\u3044\u521d\u671f\u8cbb\u7528<\/td><td>\u6587\u66f8\u5316\u3055\u308c\u305f\u30ea\u30b9\u30af\uff1a\u53e4\u3044\u5149\u5b66\u7cfb\u3092\u53d7\u3051\u7d99\u3044\u3060\u305f\u3081\u3001\u30b0\u30ec\u30a2\uff08\u7729\u3057\u3055\uff09\uff0b\u60aa\u3044\u914d\u5149<\/td><td>\u4e88\u7b97\u304c\u738b\u69d8\u3067\u3001\u4e0d\u6e80\u304c\u8a31\u5bb9\u3055\u308c\u308b\u5834\u5408\u306e\u307f<\/td><\/tr><tr><td>\u5927\u9762\u7a4d\u5747\u4e00\u30a8\u30df\u30c3\u30bf\u30fc\uff08\u62e1\u6563\u30d1\u30cd\u30eb\uff09<\/td><td>\u5c0f\u3055\u306a\u5f37\u70c8\u306a\u5149\u6e90\u3088\u308a\u3082\u672c\u8cea\u7684\u306b\u4e0d\u5feb\u611f\u306e\u5c11\u306a\u3044\u30b0\u30ec\u30a2<\/td><td>\u5b89\u7269\u306f\u9ec4\u3070\u3093\u3060\u308a\u3001\u305f\u308b\u3093\u3060\u308a\u3059\u308b\u3002<\/td><td>\u5feb\u9069\u3055\u304c\u5951\u7d04\u4e0a\u91cd\u8981\u306a\u5834\u5408<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-7a82dd5\" id=\"gspb_image-id-gsbp-7a82dd5\"><img decoding=\"async\" src=\"https:\/\/chineseledlight.com\/wp-content\/uploads\/2026\/02\/UGR-Low-Glare-Office-Lighting-Designing-Toward-UGR19-4.jpg\" data-src=\"\" alt=\"UGR\u3068\u4f4e\u30b0\u30ec\u30a2\u30aa\u30d5\u30a3\u30b9\u7167\u660e UGR19\u306b\u5411\u3051\u305f\u8a2d\u8a08\" loading=\"lazy\" width=\"750\" height=\"750\" title=\"\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faqs-aeo-featured-snippet-targeting\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08AEO \/ Featured Snippet\u30bf\u30fc\u30b2\u30c6\u30a3\u30f3\u30b0\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-is-ugr-and-what-does-ugr-19-mean-in-offices\">UGR\u3068\u306f\u4f55\u304b\u3001\u305d\u3057\u3066\u30aa\u30d5\u30a3\u30b9\u306b\u304a\u3051\u308bUGR&lt;19\u306e\u610f\u5473\u3068\u306f\uff1f<\/h3>\n\n\n\n<p>UGR\uff08\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30fb\u30b0\u30ec\u30a2\u30fb\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\uff09\u3068\u306f\u3001\u5149\u6e90\u8f1d\u5ea6\u3001\u898b\u304b\u3051\u306e\u5927\u304d\u3055\u3001\u80cc\u666f\u8f1d\u5ea6\u3001\u8996\u91ce\u5185\u306e\u4f4d\u7f6e\u306b\u57fa\u3065\u3044\u3066\u3001\u5b9a\u7fa9\u3055\u308c\u305f\u90e8\u5c4b\u306e\u96fb\u6c17\u7167\u660e\u5668\u5177\u304b\u3089\u306e\u4e0d\u5feb\u306a\u307e\u3076\u3057\u3055\u3092\u8a08\u7b97\u3057\u305f\u6307\u6a19\u3067\u3042\u308b\u3002.<br>\u5206\u304b\u308a\u3084\u3059\u304f\u8a00\u3048\u3070\u3001\u4e00\u822c\u7684\u306a\u8996\u8074\u65b9\u5411\u3001\u7279\u306b\u30b9\u30af\u30ea\u30fc\u30f3\u4f5c\u54c1\u306b\u5bfe\u3057\u3066\u300c\u7167\u660e\u304c\u3069\u308c\u3060\u3051\u8ff7\u60d1\u306b\u611f\u3058\u308b\u304b\u300d\u306e\u4e0a\u9650\u3060\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"is-ugr-19-required-by-en-12464-1-for-office-lighting\">EN 12464-1\u3067\u306f\u3001\u30aa\u30d5\u30a3\u30b9\u7528\u7167\u660e\u306bUGR&lt;19\u304c\u8981\u6c42\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>EN 12464-1\u306f\u3001\u4e0d\u5feb\u30b0\u30ec\u30a2\u7ba1\u7406\u3001DSE\u30ef\u30fc\u30af\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u914d\u616e\u3001\u6b63\u5f0f\u306a\u691c\u8a3c\u624b\u9806\uff08Unified Glare Rating\u3092\u542b\u3080\uff09\u3092\u542b\u3080\u6b27\u5dde\u306e\u5c4b\u5185\u4f5c\u696d\u5834\u7167\u660e\u898f\u683c\u3067\u3042\u308a\u3001\u591a\u304f\u306e\u56fd\u306e\u56fd\u5bb6\u898f\u683c\u6a5f\u95a2\u3092\u901a\u3058\u3066\u5b9f\u65bd\u3055\u308c\u3001\u65e7\u7248\u3092\u7f6e\u304d\u63db\u3048\u3001\u30b0\u30ec\u30a2\u4f7f\u7528\u6027\u3092\u660e\u78ba\u306b\u3057\u3066\u3044\u308b\u3002.<br>\u6cd5\u7684\u7fa9\u52d9\u306b\u306a\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u305d\u306e\u56fd\u304c\u8077\u5834\u306e\u8981\u4ef6\u3092\u3069\u306e\u3088\u3046\u306b\u57fa\u6e96\u306b\u7d50\u3073\u3064\u3051\u3066\u3044\u308b\u304b\u306b\u3088\u308b\u304c\u3001\u5165\u672d\u3067\u306f\u4ea4\u6e09\u306e\u4f59\u5730\u304c\u306a\u3044\u3082\u306e\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"how-do-microprismatic-diffusers-help-achieve-ugr-19\">\u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u30c7\u30a3\u30d5\u30e5\u30fc\u30b6\u30fc\u306fUGR&lt;19\u306e\u9054\u6210\u306b\u3069\u306e\u3088\u3046\u306b\u5f79\u7acb\u3061\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p>\u30de\u30a4\u30af\u30ed\u30d7\u30ea\u30ba\u30e0\u62e1\u6563\u677f\u306f\u3001\u5149\u3092\u65b9\u5411\u8ee2\u63db\u3057\u3066\u62e1\u6563\u3055\u305b\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5149\u5b66\u5c64\u3067\u3042\u308b\u305f\u3081\u3001\u9ad8\u89d2\u5ea6\u306e\u8f1d\u5ea6\u304c\u4f4e\u6e1b\u3055\u308c\u3001\u5178\u578b\u7684\u306a\u89b3\u5bdf\u8005\u306e\u4f4d\u7f6e\u306b\u304a\u3051\u308b\u4e0d\u5feb\u306a\u30b0\u30ec\u30a2\u3092\u4f4e\u6e1b\u3057\u3001UGR\u8868\u6cd5\u306b\u4f7f\u7528\u3055\u308c\u308b\u6b63\u3057\u3044\u6e2c\u5149\u3001\u53d6\u308a\u4ed8\u3051\u9ad8\u3055\u3001\u5ba4\u5185\u53cd\u5c04\u7387\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001UGR\u7d50\u679c\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<br>\u8b66\u544a\uff1a\u4f4e\u7d1a\u306a\u30d7\u30ea\u30ba\u30e0\u306f\u8f1d\u304d\u3092\u653e\u3064\u3053\u3068\u304c\u3042\u308a\u3001\u8a08\u7b97\u304c\u554f\u984c\u306a\u304f\u898b\u3048\u3066\u3082\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u82e6\u60c5\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"how-do-i-verify-ugr-19-in-a-real-office-not-just-on-a-datasheet\">\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u4e0a\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u969b\u306e\u30aa\u30d5\u30a3\u30b9\u3067UGR&lt;19\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\uff1f<\/h3>\n\n\n\n<p>\u4e0d\u5feb\u30b0\u30ec\u30a2\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u306f\u3001\u8996\u7dda\u306b\u5bfe\u3059\u308b\u5149\u6e90\u306e\u4f4d\u7f6e\u3001\u80cc\u666f\u306e\u8f1d\u5ea6\u3001\u304a\u3088\u3073\u90e8\u5c4b\u306e\u4eee\u5b9a\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u3001UGR&lt;19\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u306f\u3001\u7279\u5b9a\u306e\u90e8\u5c4b\u306e\u5f62\u72b6\u3068\u8996\u7dda\u65b9\u5411\u306b\u304a\u3051\u308b\u7167\u660e\u5668\u5177\u306e\u6e2c\u5149\u3068\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<br>\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\uff08DIALux\/Relux\/AGi32\uff09\u304b\u3089\u59cb\u3081\u308b\u3002\u305d\u306e\u5f8c\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u3092\u3064\u3051\u305f\u72b6\u614b\u3067\u3001\u673a\u306e\u9ad8\u3055\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u30a6\u30a9\u30fc\u30af\u30b9\u30eb\u30fc\u3092\u884c\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"why-do-bright-led-troffers-cause-glare-complaints-even-when-lighting-levels-are-correct\">\u7167\u660e\u30ec\u30d9\u30eb\u304c \u201c\u9069\u6b63 \u201d\u3067\u3042\u3063\u3066\u3082\u3001\u660e\u308b\u3044LED\u30c8\u30ed\u30d5\u30a1\u30fc\u304c\u30b0\u30ec\u30a2\u306e\u82e6\u60c5\u3092\u5f15\u304d\u8d77\u3053\u3059\u306e\u306f\u306a\u305c\u304b\uff1f<\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u30aa\u30d5\u30a3\u30b9\u306e\u5929\u4e95\u9ad8\u3055\uff08\u591a\u304f\u306e\u5834\u54088\u2019-12\u2032\uff09\u3067\u5927\u304d\u306a\u30eb\u30fc\u30e1\u30f3\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u77e5\u899a\u3055\u308c\u308b\u660e\u308b\u3055\u3068\u8f1d\u5ea6\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3092\u4e0a\u3052\u308b\u305f\u3081\u3001\u9ad8\u51fa\u529b\u30c8\u30ed\u30d5\u30a1\u30fc\u306f\u30b0\u30ec\u30a2\u82e6\u60c5\u306e\u5f15\u304d\u91d1\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u7167\u660e\u5668\u5177\u5185\u306e\u767a\u5149\u9762\u7a4d\u304c\u5c0f\u3055\u3044\u304b\u4e0d\u5747\u4e00\u306a\u5834\u5408\u3001\u5e73\u5747\u7167\u5ea6\u304c\u4ed5\u69d8\u76ee\u6a19\u3092\u6e80\u305f\u3057\u3066\u3044\u3066\u3082\u3001\u5c45\u4f4f\u8005\u306f\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3084\u4e0d\u5feb\u611f\u3092\u77e5\u899a\u3057\u307e\u3059\u3002.<br>\u3053\u308c\u304c\u3001\u300c\u3088\u308a\u591a\u304f\u306e\u30eb\u30fc\u30e1\u30f3\u300d\u304c\u5feb\u9069\u306a\u6226\u7565\u3067\u306f\u306a\u3044\u7406\u7531\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" 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