{"id":10076,"date":"2024-09-19T10:19:44","date_gmt":"2024-09-19T02:19:44","guid":{"rendered":"https:\/\/tecolite.com\/?p=10076"},"modified":"2026-03-04T01:47:17","modified_gmt":"2026-03-03T17:47:17","slug":"led%e3%83%a9%e3%82%a4%e3%83%88%e3%81%ae%e8%89%af%e3%81%84cri%e3%81%a8%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b","status":"publish","type":"post","link":"https:\/\/tecolite.com\/ja\/what-is-a-good-cri-for-led-lights\/","title":{"rendered":"LED\u7167\u660e\u306b\u9069\u3057\u305fCRI\u3068\u306f\uff1f \u6f14\u8272\u8a55\u4fa1\u6307\u6570\u306e\u5b8c\u5168\u30ac\u30a4\u30c9"},"content":{"rendered":"<h1>LED\u7167\u660e\u306b\u9069\u3057\u305fCRI\u3068\u306f\uff1f \u6f14\u8272\u8a55\u4fa1\u6307\u6570\u306e\u5b8c\u5168\u30ac\u30a4\u30c9<\/h1>\n<p><em>\u6700\u7d42\u66f4\u65b0\u65e5\uff1a2026\u5e743\u67083\u65e5<\/em><\/p>\n<p>LED\u7167\u660e\u3092\u9078\u3076\u969b\u3001\u591a\u304f\u306e\u8cfc\u5165\u8005\u306f\u660e\u308b\u3055\uff08\u30eb\u30fc\u30e1\u30f3\uff09\u3068\u8272\u6e29\u5ea6\uff08\u30b1\u30eb\u30d3\u30f3\uff09\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6700\u3082\u91cd\u8981\u3067\u3042\u308a\u306a\u304c\u3089\u8aa4\u89e3\u3055\u308c\u304c\u3061\u306a\u7167\u660e\u6307\u6a19\u306e\u4e00\u3064\u304c <strong>CRI\uff08\u6f14\u8272\u8a55\u4fa1\u6570\uff09<\/strong>.<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u4ee5\u4e0b\u3092\u8aac\u660e\u3057\u307e\u3059\uff1a<\/p>\n<ul>\n<li>CRI\u3068\u306f<\/li>\n<li>CRI\u306e\u6e2c\u5b9a\u65b9\u6cd5<\/li>\n<li>\u300c\u826f\u597d\u300d\u3068\u3055\u308c\u308bCRI\u306e\u7bc4\u56f2\u201c<\/li>\n<li>CRI 80\u306890\u306e\u9055\u3044<\/li>\n<li>\u9ad8CRI\u304c\u672c\u5f53\u306b\u91cd\u8981\u306a\u5834\u5408<\/li>\n<\/ul>\n<hr \/>\n<h2>CRI\uff08\u6f14\u8272\u8a55\u4fa1\u6570\uff09\u3068\u306f\u4f55\u304b\uff1f<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2024\/09\/CRI_lighting-75_95-1-300x170.webp\" alt=\"CRI 75 vs CRI 95 comparison showing color accuracy differences in strawberries.\" \/><\/p>\n<p><em>CRI\u306e\u9ad8\u3044\u7167\u660e\u306f\u3001\u8272\u3092\u3088\u308a\u6b63\u78ba\u304b\u3064\u81ea\u7136\u306b\u518d\u73fe\u3057\u3001\u5c0f\u58f2\u3001\u30db\u30b9\u30d4\u30bf\u30ea\u30c6\u30a3\u3001\u4f4f\u5b85\u7528\u9014\u306a\u3069\u3001\u8272\u54c1\u8cea\u304c\u91cd\u8981\u306a\u5834\u9762\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/em><\/p>\n<p>\u305d\u306e <strong>\u6f14\u8272\u8a55\u4fa1\u6570\uff08CRI\uff09<\/strong> \u5149\u6e90\u304c\u3001\u57fa\u6e96\u5149\u6e90\uff08\u901a\u5e38\u306f\u81ea\u7136\u5149\u307e\u305f\u306f\u9ed2\u4f53\u653e\u5c04\uff09\u3068\u6bd4\u8f03\u3057\u3066\u3001\u7269\u4f53\u306e\u8272\u3092\u3069\u308c\u3060\u3051\u6b63\u78ba\u306b\u518d\u73fe\u3059\u308b\u304b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<p>CRI\u306f\u4ee5\u4e0b\u306e\u30b9\u30b1\u30fc\u30eb\u3067\u8a55\u4fa1\u3055\u308c\u307e\u3059\uff1a <strong>0\u304b\u3089100<\/strong>, \u3001\u3053\u3053\u3067\uff1a<\/p>\n<ul>\n<li>100 = \u57fa\u6e96\u5149\u3068\u540c\u4e00\u306e\u8272\u518d\u73fe\u6027<\/li>\n<li>\u5024\u304c\u4f4e\u3044\u307b\u3069\u8272\u306e\u6b6a\u307f\u304c\u5927\u304d\u3044<\/li>\n<\/ul>\n<p>\u56fd\u969b\u7167\u660e\u59d4\u54e1\u4f1a\uff08CIE\uff09\u306b\u3088\u308b\u3068\u3001CRI\u306f\u6a19\u6e96\u5316\u3055\u308c\u305f\u8272\u898b\u672c\u306e\u6bd4\u8f03\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002.<br \/>\n\u51fa\u5178\uff1aCIE 13.3-1995 \u2013 \u6f14\u8272\u6027\u306e\u6e2c\u5b9a\u53ca\u3073\u8868\u793a\u65b9\u6cd5<br \/>\n<a href=\"https:\/\/cie.co.at\/publications\">https:\/\/cie.co.at\/publications<\/a><\/p>\n<hr \/>\n<h2>CRI\u306e\u6e2c\u5b9a\u65b9\u6cd5<\/h2>\n<p>CRI\u306f\u3001\u5149\u6e90\u30928\u3064\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u30d1\u30b9\u30c6\u30eb\u30ab\u30e9\u30fc\u30b5\u30f3\u30d7\u30eb\uff08R1\uff5eR8\uff09\u306b\u5bfe\u3057\u3066\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u3067\u7b97\u51fa\u3055\u308c\u307e\u3059\u3002.<\/p>\n<p>\u5e73\u5747\u8272\u504f\u5dee\u304c\u4e00\u822c\u7684\u306aCRI\uff08Ra\uff09\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n<p>\u91cd\u8981\u306a\u6ce8\u610f\u70b9\uff1a<\/p>\n<ul>\n<li>\u6a19\u6e96CRI\uff08Ra\uff09\u306f\u98fd\u548c\u8d64\uff08R9\uff09\u3092\u542b\u307f\u307e\u305b\u3093<\/li>\n<li>\u9ad8\u54c1\u8cea\u306a\u7167\u660e\u3067\u306f\u3001R9\u3092\u500b\u5225\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u591a\u3044<\/li>\n<li>\u540c\u3058CRI\u3092\u6301\u30642\u3064\u306e\u7167\u660e\u3067\u3082\u3001\u8d64\u8272\u306e\u518d\u73fe\u6027\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n<p>\u3053\u308c\u304c\u3001CRI\u3060\u3051\u3067\u306f\u5e38\u306b\u5168\u4f53\u50cf\u3092\u4f1d\u3048\u3089\u308c\u306a\u3044\u7406\u7531\u3067\u3059\u3002.<\/p>\n<hr \/>\n<h2>CRI\u5bfe\u8272\u6e29\u5ea6\uff08CCT\uff09<\/h2>\n<p>\u591a\u304f\u306e\u4eba\u304cCRI\u3068\u8272\u6e29\u5ea6\u3092\u6df7\u540c\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6307\u6a19<\/th>\n<th>\u6e2c\u5b9a\u5bfe\u8c61<\/th>\n<th>\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CRI<\/td>\n<td>\u8272\u7cbe\u5ea6<\/td>\n<td>80, 90, 95<\/td>\n<\/tr>\n<tr>\n<td>CCT<\/td>\n<td>\u6696\u304b\u3055\/\u51b7\u305f\u3055<\/td>\n<td>2700K\u30014000K\u30015000K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9078\u629e\u80a2\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u4f4eCRI\u306e\u6696\u82723000K<\/li>\n<li>\u9ad8CRI\u306e\u30af\u30fc\u30eb5000K<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306f\u72ec\u7acb\u3057\u305f\u7279\u6027\u3067\u3059\u3002.<\/p>\n<hr \/>\n<h2>\u300c\u826f\u597d\u300d\u306aCRI\u3068\u306f\uff1f<\/h2>\n<p>\u4e00\u822c\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>CRI\u7bc4\u56f2<\/th>\n<th>\u54c1\u8cea\u30ec\u30d9\u30eb<\/th>\n<th>\u5178\u578b\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>&lt;70<\/td>\n<td>\u4e0d\u826f<\/td>\n<td>\u5de5\u696d\u3001\u9632\u72af\u7167\u660e<\/td>\n<\/tr>\n<tr>\n<td>70\u201380<\/td>\n<td>\u8a31\u5bb9\u7bc4\u56f2<\/td>\n<td>\u5c4b\u5916\u3001\u5009\u5eab<\/td>\n<\/tr>\n<tr>\n<td>80\u201390<\/td>\n<td>\u826f\u597d<\/td>\n<td>\u4f4f\u5b85\u304a\u3088\u3073\u30aa\u30d5\u30a3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>90+<\/td>\n<td>\u512a\u308c\u3066\u3044\u308b<\/td>\n<td>\u5c0f\u58f2\u3001\u30ae\u30e3\u30e9\u30ea\u30fc\u3001\u533b\u7642<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u307b\u3068\u3093\u3069\u306e\u5bb6\u5ead\u5411\u3051\uff1a<\/p>\n<p><strong>CRI 80\u4ee5\u4e0a\u3067\u5341\u5206<\/strong><br \/>\n\u8272\u304c\u91cd\u8981\u306a\u4f5c\u696d\u5411\u3051\uff1a<\/p>\n<p><strong>CRI 90+ is recommended<\/strong><\/p>\n<hr \/>\n<h2>CRI 80 vs CRI 90: Can You See the Difference?<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/tecolite.com\/wp-content\/uploads\/2026\/03\/generated-image.webp\" alt=\"Generated image for blog article.\" \/><\/p>\n<p>Yes \u2014 especially in:<\/p>\n<ul>\n<li>Skin tones<\/li>\n<li>Food presentation<\/li>\n<li>Clothing colors<\/li>\n<li>Artwork<\/li>\n<\/ul>\n<p>Under CRI 80:<\/p>\n<ul>\n<li>Reds may look dull<\/li>\n<li>Skin tones slightly gray<\/li>\n<\/ul>\n<p>Under CRI 90+:<\/p>\n<ul>\n<li>Colors appear richer<\/li>\n<li>Better depth perception<\/li>\n<li>Improved realism<\/li>\n<\/ul>\n<p>In controlled tests, observers can distinguish CRI 80 from CRI 90 lighting in side-by-side comparison.<\/p>\n<hr \/>\n<h2>Does Higher CRI Mean Lower Efficiency?<\/h2>\n<p>Historically yes.<\/p>\n<p>Modern LED technology has improved significantly.<\/p>\n<p>According to the U.S. Department of Energy (DOE), advances in phosphor technology allow high CRI LEDs to maintain strong luminous efficacy.<br \/>\nSource: U.S. DOE SSL Program<br \/>\n<a href=\"https:\/\/www.energy.gov\/eere\/ssl\">https:\/\/www.energy.gov\/eere\/ssl<\/a><\/p>\n<p>Today, many CRI 90 LEDs achieve comparable efficiency to CRI 80 models.<\/p>\n<hr \/>\n<h2>When Does High CRI Really Matter?<\/h2>\n<p>High CRI is most important when:<\/p>\n<ul>\n<li>Accurate color judgment is required<\/li>\n<li>Aesthetic presentation matters<\/li>\n<li>Human perception is critical<\/li>\n<\/ul>\n<p>For garages or parking lots, high CRI is often unnecessary.<\/p>\n<hr \/>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>Is CRI 100 possible?<\/h3>\n<p>Natural sunlight and incandescent lamps approach CRI 100. Most LEDs range between 80\u201398.<\/p>\n<h3>Is CRI 80 good enough?<\/h3>\n<p>For general home lighting, yes.<\/p>\n<h3>Should I always choose CRI 95?<\/h3>\n<p>Only when color accuracy is essential.<\/p>\n<hr \/>\n<h2>Related Guide<\/h2>\n<p>If you are selecting CRI for a specific environment, read our detailed application guide:<\/p>\n<p><strong><a href=\"https:\/\/tecolite.com\/ja\/best-cri-for-different-lighting-applications\/\" title=\"Best CRI for Different Applications (Home, Retail, Healthcare)\">Best CRI for Different Applications (Home, Retail, Healthcare)<\/a><\/strong><\/p>\n<hr \/>\n<h2>\u7d50\u8ad6<\/h2>\n<p>A \u201cgood\u201d CRI depends on application.<\/p>\n<ul>\n<li>CRI 80+ works for most residential spaces<\/li>\n<li>CRI 90+ improves visual accuracy<\/li>\n<li>CRI 95+ is ideal for professional environments<\/li>\n<\/ul>\n<p>Selecting the right CRI ensures better comfort, realism, and visual quality.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u6f14\u8272\u8a55\u4fa1\u6307\u6570\uff08CRI\uff09\u306f\u3001\u5149\u6e90\u304c\u81ea\u7136\u5149\u3068\u6bd4\u8f03\u3057\u3066\u3069\u308c\u3060\u3051\u6b63\u78ba\u306b\u8272\u3092\u518d\u73fe\u3059\u308b\u304b\u3092\u6e2c\u5b9a\u3057\u30010\u304b\u3089100\u306e\u30b9\u30b1\u30fc\u30eb\u3067\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002CRI\u304c\u9ad8\u3044\u307b\u3069\u8272\u306e\u6b63\u78ba\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u7528\u9014\u3067\u306fCRI 80-90\u3067\u5341\u5206\u3067\u3059\u304c\u3001\u7f8e\u8853\u9928\u3084\u5c0f\u58f2\u5e97\u306a\u3069\u771f\u306e\u8272\u518d\u73fe\u304c\u5fc5\u8981\u306a\u74b0\u5883\u3067\u306f\u3001CRI 90\u4ee5\u4e0a\u304c\u6709\u76ca\u3067\u3059\u3002\u9069\u5207\u306aCRI\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u8a2d\u5b9a\u3067\u306e\u8996\u899a\u7684\u5feb\u9069\u6027\u3068\u6a5f\u80fd\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>","protected":false},"author":1,"featured_media":10175,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"What Is a Good CRI for LED Lights? 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