{"id":13582,"date":"2023-08-14T03:15:35","date_gmt":"2023-08-14T03:15:35","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13582"},"modified":"2023-12-26T08:39:00","modified_gmt":"2023-12-26T08:39:00","slug":"what-is-luminance-ratio","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/he\/%d7%9e%d7%99%d7%9c%d7%95%d7%9f-%d7%9e%d7%95%d7%a0%d7%97%d7%99%d7%9d\/%d7%9e%d7%94%d7%95-%d7%99%d7%97%d7%a1-%d7%91%d7%94%d7%99%d7%a8%d7%95%d7%aa","title":{"rendered":"\u05de\u05d4\u05d5 \u05d9\u05d7\u05e1 \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea"},"content":{"rendered":"

\u05de\u05d4\u05d5 \u05d9\u05d7\u05e1 \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea<\/h2>

\u05d9\u05d7\u05e1 \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05d5\u05d0 \u05d4\u05d9\u05d7\u05e1 \u05d1\u05d9\u05df \u05e2\u05d5\u05e6\u05de\u05ea \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05de\u05de\u05d5\u05e6\u05e2\u05ea \u05dc\u05d4\u05d0\u05e8\u05ea \u05d4\u05d7\u05dc\u05d5\u05df. \u05d4\u05d5\u05d0 \u05de\u05e9\u05de\u05e9 \u05db\u05d0\u05d9\u05e0\u05d3\u05d9\u05e7\u05d8\u05d5\u05e8 \u05dc\u05e0\u05d9\u05d2\u05d5\u05d3\u05d9\u05d5\u05ea \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d1\u05d9\u05df \u05de\u05e7\u05d5\u05e8 \u05d0\u05d5\u05e8 \u05d9\u05d5\u05dd \u05dc\u05e9\u05d3\u05d4 \u05d4\u05e8\u05d0\u05d9\u05d9\u05d4 \u05db\u05d5\u05dc\u05d5. \u05d9\u05d7\u05e1 \u05d6\u05d4 \u05de\u05e9\u05de\u05e9 \u05db\u05de\u05e9\u05ea\u05e0\u05d4 \u05d1\u05de\u05d5\u05d3\u05dc\u05d9\u05dd \u05d4\u05de\u05e0\u05ea\u05d7\u05d9\u05dd \u05d5\u05de\u05e9\u05d5\u05d5\u05d9\u05dd \u05d0\u05ea \u05d4\u05d1\u05d9\u05e6\u05d5\u05e2\u05d9\u05dd \u05e9\u05dc \u05de\u05e2\u05e8\u05db\u05d5\u05ea \u05ea\u05d0\u05d5\u05e8\u05d4, \u05ea\u05d5\u05da \u05d4\u05ea\u05d7\u05e9\u05d1\u05d5\u05ea \u05d1\u05d2\u05d5\u05e8\u05de\u05d9\u05dd \u05db\u05d2\u05d5\u05df \u05e2\u05d5\u05e6\u05de\u05ea \u05d4\u05d0\u05e8\u05d4 \u05d0\u05e0\u05db\u05d9\u05ea, \u05de\u05d9\u05e7\u05d5\u05dd \u05d4\u05e6\u05dc \u05d5\u05d9\u05d7\u05e1 \u05d4\u05d0\u05e8\u05d4.<\/p>

\u05de\u05d7\u05e4\u05e9\u05d9\u05dd \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05dc\u05d7\u05d9\u05e1\u05db\u05d5\u05df \u05d1\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d4\u05de\u05d5\u05e4\u05e2\u05dc\u05d9\u05dd \u05d1\u05ea\u05e0\u05d5\u05e2\u05d4?<\/h3>

\u05e4\u05e0\u05d5 \u05d0\u05dc\u05d9\u05e0\u05d5 \u05dc\u05e7\u05d1\u05dc\u05ea \u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05ea\u05e0\u05d5\u05e2\u05d4 \u05de\u05dc\u05d0\u05d9\u05dd PIR, \u05de\u05d5\u05e6\u05e8\u05d9\u05dd \u05dc\u05d7\u05d9\u05e1\u05db\u05d5\u05df \u05d1\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d4\u05de\u05d5\u05e4\u05e2\u05dc\u05d9\u05dd \u05d1\u05ea\u05e0\u05d5\u05e2\u05d4, \u05de\u05ea\u05d2\u05d9 \u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05ea\u05e0\u05d5\u05e2\u05d4 \u05d5\u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05de\u05e1\u05d7\u05e8\u05d9\u05d9\u05dd \u05dc\u05ea\u05e4\u05d5\u05e1\u05d4\/\u05e4\u05e0\u05d5\u05d9\u05d4.<\/p>

\u05e9\u05dc\u05d7 \u05d0\u05d9\u05de\u05d9\u05d9\u05dc<\/p><\/a><\/div><\/div>

\u05d8\u05d5\u05e4\u05e1 \u05d9\u05e6\u05d9\u05e8\u05ea \u05e7\u05e9\u05e8<\/p><\/a><\/div><\/div>

\u05e6'\u05d0\u05d8 \u05d0\u05d5\u05e0\u05dc\u05d9\u05d9\u05df<\/p><\/a><\/div><\/div><\/div><\/div>

\u05d9\u05d7\u05e1 \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05de\u05d5\u05e2\u05d9\u05dc \u05d1\u05d4\u05e2\u05e8\u05db\u05ea \u05d4\u05d1\u05d9\u05e6\u05d5\u05e2\u05d9\u05dd \u05d4\u05d0\u05d5\u05e4\u05d8\u05d9\u05d9\u05dd \u05d5\u05d0\u05d9\u05db\u05d5\u05ea \u05de\u05e2\u05e8\u05db\u05d5\u05ea \u05d4\u05ea\u05d0\u05d5\u05e8\u05d4 \u05d5\u05de\u05db\u05e9\u05d9\u05e8\u05d9\u05dd \u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05e0\u05d9\u05d9\u05dd, \u05d1\u05de\u05d9\u05d5\u05d7\u05d3 \u05ea\u05e6\u05d5\u05d2\u05d5\u05ea. \u05d4\u05d5\u05d0 \u05de\u05e9\u05de\u05e9 \u05db\u05e4\u05e8\u05de\u05d8\u05e8 \u05d1\u05d1\u05d3\u05d9\u05e7\u05d5\u05ea \u05d9\u05d7\u05e1 \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea, \u05e6\u05d1\u05e2 \u05d5\u05d0\u05d7\u05d9\u05d3\u05d5\u05ea. \u05e2\u05dc \u05d9\u05d3\u05d9 \u05d4\u05e2\u05e8\u05db\u05ea \u05d9\u05d7\u05e1 \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea, \u05e0\u05d9\u05ea\u05df \u05dc\u05e7\u05d1\u05d5\u05e2 \u05d0\u05ea \u05e7\u05e8\u05d9\u05d0\u05d5\u05ea \u05d5\u05e0\u05d5\u05d7\u05d5\u05ea \u05d4\u05e8\u05d0\u05d9\u05d9\u05d4 \u05e9\u05dc \u05ea\u05e6\u05d5\u05d2\u05d4, \u05ea\u05d5\u05da \u05d4\u05ea\u05d7\u05e9\u05d1\u05d5\u05ea \u05d1\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05d0\u05d5\u05e8 \u05d4\u05e1\u05d1\u05d9\u05d1\u05ea\u05d9 \u05d1\u05d9\u05d7\u05e1 \u05dc\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05de\u05e1\u05da.<\/p>

\u05d9\u05ea\u05e8 \u05e2\u05dc \u05db\u05df, \u05d9\u05d7\u05e1 \u05d4\u05d6\u05d5\u05d4\u05e8 \u05d7\u05d9\u05d5\u05e0\u05d9 \u05d1\u05d4\u05d1\u05e0\u05ea \u05d4\u05e0\u05d9\u05d2\u05d5\u05d3\u05d9\u05d5\u05ea \u05d4\u05e0\u05ea\u05e4\u05e1\u05ea \u05d5\u05e0\u05d5\u05d7\u05d5\u05ea \u05d7\u05d6\u05d5\u05ea\u05d9\u05ea. \u05dc\u05d3\u05d5\u05d2\u05de\u05d4, \u05db\u05d0\u05e9\u05e8 \u05e2\u05d5\u05e1\u05e7\u05d9\u05dd \u05d1\u05e1\u05d9\u05de\u05d1\u05d5\u05dc\u05d2\u05d9\u05d4 \u05e9\u05dc \u05d0\u05d5\u05e8 \u05e2\u05dc \u05d7\u05d5\u05e9\u05da, \u05d9\u05d7\u05e1 \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d1\u05d9\u05df \u05d4\u05e8\u05e7\u05e2 \u05dc\u05e4\u05d9\u05e7\u05e1\u05dc\u05d9\u05dd \u05d4\u05de\u05d0\u05d9\u05e8\u05d9\u05dd \u05d1\u05d9\u05d5\u05ea\u05e8 \u05d4\u05de\u05d4\u05d5\u05d5\u05d9\u05dd \u05d0\u05ea \u05d4\u05e1\u05de\u05dc \u05de\u05e9\u05e4\u05d9\u05e2 \u05e2\u05dc \u05d4\u05e0\u05d9\u05d2\u05d5\u05d3\u05d9\u05d5\u05ea \u05d4\u05e0\u05ea\u05e4\u05e1\u05ea. \u05e7\u05d5\u05d5\u05d9\u05dd \u05de\u05e0\u05d7\u05d9\u05dd \u05de\u05de\u05dc\u05d9\u05e6\u05d9\u05dd \u05e2\u05dc \u05d9\u05d7\u05e1\u05d9 \u05d4\u05d0\u05e8\u05d4 \u05e1\u05e4\u05e6\u05d9\u05e4\u05d9\u05d9\u05dd \u05d1\u05d9\u05df \u05d0\u05d5\u05d1\u05d9\u05d9\u05e7\u05d8\u05d9\u05dd \u05dc\u05e8\u05e7\u05e2 \u05e9\u05dc\u05d4\u05dd \u05d1\u05d4\u05ea\u05d1\u05e1\u05e1 \u05e2\u05dc \u05de\u05d9\u05d3\u05ea \u05d4\u05d1\u05d5\u05dc\u05d8\u05d5\u05ea \u05d0\u05d5 \u05d4\u05d1\u05d5\u05dc\u05d8\u05d5\u05ea \u05d4\u05e8\u05e6\u05d5\u05d9\u05d4, \u05ea\u05d5\u05da \u05d4\u05d3\u05d2\u05e9\u05ea \u05ea\u05e4\u05e7\u05d9\u05d3\u05d5 \u05e9\u05dc \u05d9\u05d7\u05e1 \u05d4\u05d6\u05d5\u05d4\u05e8 \u05d1\u05e9\u05d9\u05e4\u05d5\u05e8 \u05d4\u05e0\u05e8\u05d0\u05d5\u05ea \u05d5\u05d4\u05e0\u05d5\u05d7\u05d5\u05ea \u05d4\u05d7\u05d6\u05d5\u05ea\u05d9\u05ea.<\/p>

\u05e7\u05d1\u05dc \u05d4\u05e9\u05e8\u05d0\u05d4 \u05de\u05ea\u05d9\u05e7\u05d9 \u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05d4\u05ea\u05e0\u05d5\u05e2\u05d4 \u05e9\u05dc Rayzeek.<\/h3>

\u05dc\u05d0 \u05de\u05d5\u05e6\u05d0 \u05d0\u05ea \u05de\u05d4 \u05e9\u05d0\u05ea\u05d4 \u05e8\u05d5\u05e6\u05d4? \u05d0\u05dc \u05ea\u05d3\u05d0\u05d2. \u05ea\u05de\u05d9\u05d3 \u05d9\u05e9 \u05d3\u05e8\u05db\u05d9\u05dd \u05d7\u05dc\u05d5\u05e4\u05d9\u05d5\u05ea \u05dc\u05e4\u05ea\u05d5\u05e8 \u05d0\u05ea \u05d4\u05d1\u05e2\u05d9\u05d5\u05ea \u05e9\u05dc\u05da. \u05d0\u05d5\u05dc\u05d9 \u05d0\u05d7\u05d3 \u05de\u05ea\u05d9\u05e7 \u05d4\u05e2\u05d1\u05d5\u05d3\u05d5\u05ea \u05e9\u05dc\u05e0\u05d5 \u05d9\u05db\u05d5\u05dc \u05dc\u05e2\u05d6\u05d5\u05e8.<\/p>

\u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05ea\u05e0\u05d5\u05e2\u05d4 PIR<\/p><\/a><\/div><\/div>

\u05de\u05ea\u05d2\u05d9 \u05d7\u05d9\u05d9\u05e9\u05df \u05ea\u05e0\u05d5\u05e2\u05d4<\/p><\/a><\/div><\/div>

\u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05ea\u05e4\u05d5\u05e1\u05d4<\/p><\/a><\/div><\/div>

\u05d7\u05d9\u05d9\u05e9\u05df \u05ea\u05e0\u05d5\u05e2\u05d4 \u05e9\u05dc \u05de\u05d6\u05d2\u05df<\/p><\/a><\/div><\/div>

\u05e4\u05e1\u05d9 \u05d0\u05d5\u05e8 \u05d7\u05d9\u05d9\u05e9\u05df \u05ea\u05e0\u05d5\u05e2\u05d4<\/p><\/a><\/div><\/div>

\u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05ea\u05e0\u05d5\u05e2\u05d4 DC \u05d1\u05de\u05ea\u05d7 \u05e0\u05de\u05d5\u05da\/\u05d3\u05d9\u05de\u05e8\u05d9\u05dd<\/p><\/a><\/div><\/div>

\u05e2\u05e8\u05db\u05d5\u05ea \u05d7\u05d9\u05d9\u05e9\u05e0\u05d9 \u05ea\u05e0\u05d5\u05e2\u05d4 \u05d0\u05dc\u05d7\u05d5\u05d8\u05d9\u05d5\u05ea<\/p><\/a><\/div><\/div><\/div><\/div>

\u05d1\u05e0\u05d5\u05e1\u05e3, \u05d9\u05d7\u05e1 \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05d5\u05d0 \u05d2\u05dd \u05d2\u05d5\u05e8\u05dd \u05d1\u05d4\u05e2\u05e8\u05db\u05ea \u05d0\u05d9-\u05d0\u05d7\u05d9\u05d3\u05d5\u05ea \u05d5\u05de\u05d3\u05d3\u05d9 \u05ea\u05d0\u05d5\u05e8\u05d4 \u05e4\u05e0\u05d9\u05de\u05d9\u05ea. \u05d0\u05d2\u05d5\u05d3\u05ea \u05de\u05d4\u05e0\u05d3\u05e1\u05d9 \u05d4\u05ea\u05d0\u05d5\u05e8\u05d4 \u05e9\u05dc \u05e6\u05e4\u05d5\u05df \u05d0\u05de\u05e8\u05d9\u05e7\u05d4 (IESNA) \u05e7\u05d1\u05e2\u05d4 \u05d4\u05e0\u05d7\u05d9\u05d5\u05ea \u05d4\u05de\u05d2\u05d3\u05d9\u05e8\u05d5\u05ea \u05e8\u05de\u05d5\u05ea \u05e7\u05d1\u05d9\u05dc\u05d5\u05ea \u05e9\u05dc \u05d0\u05d9-\u05d0\u05d7\u05d9\u05d3\u05d5\u05ea \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d9\u05d7\u05e1\u05d9 \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d1\u05d9\u05df \u05de\u05e9\u05d8\u05d7\u05d9\u05dd \u05d1\u05e9\u05d3\u05d4 \u05d4\u05e8\u05d0\u05d9\u05d9\u05d4. \u05ea\u05d9\u05d0\u05d5\u05e8 \u05de\u05d3\u05d5\u05d9\u05e7 \u05e9\u05dc \u05d4\u05ea\u05e4\u05dc\u05d2\u05d5\u05ea \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05d7\u05dc\u05d5\u05df \u05d5\u05d9\u05d7\u05e1\u05d9 \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05e4\u05e0\u05d9\u05de\u05d9\u05d9\u05dd \u05d7\u05d9\u05d5\u05e0\u05d9\u05d9\u05dd \u05dc\u05d4\u05e2\u05e8\u05db\u05ea \u05e0\u05d5\u05d7\u05d5\u05ea \u05e8\u05d0\u05d9\u05d9\u05d4 \u05d5\u05de\u05d3\u05d3\u05d9 \u05d1\u05d9\u05e6\u05d5\u05e2\u05d9\u05dd \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d8\u05db\u05e0\u05d9\u05e7\u05d5\u05ea \u05db\u05d2\u05d5\u05df \u05ea\u05d0\u05d5\u05e8\u05d4 \u05de\u05d1\u05d5\u05e1\u05e1\u05ea \u05ea\u05de\u05d5\u05e0\u05d4 (IBL).<\/p>","protected":false},"excerpt":{"rendered":"

\u05d9\u05d7\u05e1 \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05d5\u05d0 \u05d4\u05d9\u05d7\u05e1 \u05d1\u05d9\u05df \u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05de\u05de\u05d5\u05e6\u05e2\u05ea \u05dc\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d7\u05dc\u05d5\u05df. \u05d4\u05d5\u05d0 \u05de\u05e9\u05de\u05e9 \u05db\u05de\u05d3\u05d3 \u05dc\u05e0\u05d9\u05d2\u05d5\u05d3\u05d9\u05d5\u05ea \u05d4\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea \u05d1\u05d9\u05df \u05de\u05e7\u05d5\u05e8 \u05d0\u05d5\u05e8 \u05d9\u05d5\u05dd \u05dc\u05d1\u05d9\u05df \u05db\u05dc \u05d4\u05e9\u05d3\u05d4 \u05d4\u05d7\u05d6\u05d5\u05ea\u05d9.<\/p>","protected":false},"author":4,"featured_media":12865,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"IESNA\", \"idxall\": 0, \"keywordtitlesimi\": 0.9568374156951904, \"keywordslugsimi\": 0.9568374156951904, \"paratitlesimi\": 0.5771031379699707, \"paraslugsimi\": 0.5771031379699707, \"slug\": \"what-is-iesna\", \"title\": \"What is IESNA\", \"id\": 14130}, {\"keyword\": \"visual field\", \"idxall\": 0, \"keywordtitlesimi\": 0.9420757293701172, \"keywordslugsimi\": 0.9420757293701172, \"paratitlesimi\": 0.6256347298622131, \"paraslugsimi\": 0.6256347298622131, \"slug\": \"what-is-visual-field\", \"title\": \"What is Visual Field\", \"id\": 14183}, {\"keyword\": \"uniformity\", \"idxall\": 0, \"keywordtitlesimi\": 0.9418059587478638, \"keywordslugsimi\": 0.9418059587478638, \"paratitlesimi\": 0.6013200283050537, \"paraslugsimi\": 0.6013200283050537, \"slug\": \"what-is-uniformity\", \"title\": \"What is Uniformity\", \"id\": 12948}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.9360289573669434, \"keywordslugsimi\": 0.9360289573669434, \"paratitlesimi\": 0.6094838380813599, \"paraslugsimi\": 0.6094838380813599, \"slug\": \"what-is-ambient-light\", \"title\": \"What is Ambient Light\", \"id\": 12831}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.9145036935806274, \"keywordslugsimi\": 0.9145036935806274, \"paratitlesimi\": 0.6162421703338623, \"paraslugsimi\": 0.6162421703338623, \"slug\": \"what-is-ambient-lighting\", \"title\": \"What is Ambient Lighting\", \"id\": 14014}, {\"keyword\": \"visibility\", \"idxall\": 0, \"keywordtitlesimi\": 0.908392071723938, \"keywordslugsimi\": 0.908392071723938, \"paratitlesimi\": 0.6320417523384094, \"paraslugsimi\": 0.6320417523384094, \"slug\": \"what-is-visibility\", \"title\": \"What is Visibility\", \"id\": 14211}, {\"keyword\": \"uniformity\", \"idxall\": 0, \"keywordtitlesimi\": 0.887592077255249, \"keywordslugsimi\": 0.887592077255249, \"paratitlesimi\": 0.6287791728973389, \"paraslugsimi\": 0.6287791728973389, \"slug\": \"what-is-color-uniformity\", \"title\": \"What is Color Uniformity\", \"id\": 13786}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.8473365306854248, \"keywordslugsimi\": 0.8473365306854248, \"paratitlesimi\": 0.5867615342140198, \"paraslugsimi\": 0.5867615342140198, \"slug\": \"what-is-ambient-light-sensor\", \"title\": \"What is Ambient Light Sensor\", \"id\": 13933}, {\"keyword\": \"brightness contrast\", \"idxall\": 0, \"keywordtitlesimi\": 0.8423455953598022, \"keywordslugsimi\": 0.8423455953598022, \"paratitlesimi\": 0.8076233267784119, \"paraslugsimi\": 0.8076233267784119, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"daylight source\", \"idxall\": 0, \"keywordtitlesimi\": 0.8317001938819886, \"keywordslugsimi\": 0.8317001938819886, \"paratitlesimi\": 0.6693676024675369, \"paraslugsimi\": 0.6693676024675369, \"slug\": \"daylight-dimming-and-daylight-harvesting-controls\", \"title\": \"Daylight Dimming and Daylight Harvesting Controls\", \"id\": 8726}, {\"keyword\": \"window luminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.8207726866006851, \"keywordslugsimi\": 0.8207726866006851, \"paratitlesimi\": 0.6693676024675369, \"paraslugsimi\": 0.6693676024675369, \"slug\": \"daylight-dimming-and-daylight-harvesting-controls\", \"title\": \"Daylight Dimming and Daylight Harvesting Controls\", \"id\": 8726}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.8024005830287934, \"keywordslugsimi\": 0.811101633310318, \"paratitlesimi\": 0.5957290470600128, \"paraslugsimi\": 0.5995006620883941, \"slug\": \"indoor-motion-sensor-light-guide\", \"title\": \"A Guide to Indoor Motion Sensor Lights\", \"id\": 9224}, {\"keyword\": \"luminance ratio\", \"idxall\": 0, \"keywordtitlesimi\": 0.8025277256965637, \"keywordslugsimi\": 0.8025277256965637, \"paratitlesimi\": 0.8076233267784119, \"paraslugsimi\": 0.8076233267784119, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"luminance ratio\", \"idxall\": 5, \"keywordtitlesimi\": 0.8025277256965637, \"keywordslugsimi\": 0.8025277256965637, \"paratitlesimi\": 0.7751865386962891, \"paraslugsimi\": 0.7751865386962891, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"luminance ratio\", \"idxall\": 2, \"keywordtitlesimi\": 0.8025277256965637, \"keywordslugsimi\": 0.8025277256965637, \"paratitlesimi\": 0.7443045377731323, \"paraslugsimi\": 0.7443045377731323, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"shade position\", \"idxall\": 0, \"keywordtitlesimi\": 0.7994717359542847, \"keywordslugsimi\": 0.7994717359542847, \"paratitlesimi\": 0.5969895720481873, \"paraslugsimi\": 0.5969895720481873, \"slug\": \"what-is-shade\", \"title\": \"What is Shade\", \"id\": 13920}, {\"keyword\": \"color\", \"idxall\": 0, \"keywordtitlesimi\": 0.7981216907501221, \"keywordslugsimi\": 0.7981216907501221, \"paratitlesimi\": 0.5612949132919312, \"paraslugsimi\": 0.5612949132919312, \"slug\": \"what-is-light-color\", \"title\": \"What is Light Color\", \"id\": 14271}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7966203689575195, \"keywordslugsimi\": 0.7966203689575195, \"paratitlesimi\": 0.5987411946058273, \"paraslugsimi\": 0.5987411946058273, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7965569078922272, \"keywordslugsimi\": 0.7629729866981506, \"paratitlesimi\": 0.5836290746927262, \"paraslugsimi\": 0.6051386833190918, \"slug\": \"indoor-motion-sensor-light-guide\", \"title\": \"A Guide to Indoor Motion Sensor Lights\", \"id\": 9224}, {\"keyword\": \"luminance ratio\", \"idxall\": 0, \"keywordtitlesimi\": 0.7965387105941772, \"keywordslugsimi\": 0.7965387105941772, \"paratitlesimi\": 0.8084762692451477, \"paraslugsimi\": 0.8084762692451477, \"slug\": \"what-is-luminance\", \"title\": \"What is Luminance\", \"id\": 14235}, {\"keyword\": \"luminance ratio\", \"idxall\": 2, \"keywordtitlesimi\": 0.7965387105941772, \"keywordslugsimi\": 0.7965387105941772, \"paratitlesimi\": 0.7615877389907837, \"paraslugsimi\": 0.7615877389907837, \"slug\": \"what-is-luminance\", \"title\": \"What is Luminance\", \"id\": 14235}, {\"keyword\": \"luminance ratio\", \"idxall\": 5, \"keywordtitlesimi\": 0.7965387105941772, \"keywordslugsimi\": 0.7965387105941772, \"paratitlesimi\": 0.7446269392967224, \"paraslugsimi\": 0.7446269392967224, \"slug\": \"what-is-luminance\", \"title\": \"What is Luminance\", \"id\": 14235}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.7938972383737565, \"keywordslugsimi\": 0.7938972383737565, \"paratitlesimi\": 0.6218529760837556, \"paraslugsimi\": 0.6218529760837556, \"slug\": \"daylight-dimming-and-daylight-harvesting-controls\", \"title\": \"Daylight Dimming and Daylight Harvesting Controls\", \"id\": 8726}, {\"keyword\": \"perceived contrast\", \"idxall\": 0, \"keywordtitlesimi\": 0.7920833230018616, \"keywordslugsimi\": 0.7920833230018616, \"paratitlesimi\": 0.7751865386962891, \"paraslugsimi\": 0.7751865386962891, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7914118677377702, \"keywordslugsimi\": 0.7914118677377702, \"paratitlesimi\": 0.5767199546098709, \"paraslugsimi\": 0.5767199546098709, \"slug\": \"bedroom-lighting-buyer-guide\", \"title\": \"Bedroom Lighting Buyer Guide\", \"id\": 8741}, {\"keyword\": \"luminance ratios\", \"idxall\": 1, \"keywordtitlesimi\": 0.7897722721099854, \"keywordslugsimi\": 0.7897722721099854, \"paratitlesimi\": 0.708698034286499, \"paraslugsimi\": 0.708698034286499, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"window luminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7895407676696777, \"keywordslugsimi\": 0.7895407676696777, \"paratitlesimi\": 0.8084762692451477, \"paraslugsimi\": 0.8084762692451477, \"slug\": \"what-is-luminance\", \"title\": \"What is Luminance\", \"id\": 14235}, {\"keyword\": \"visual comfort\", \"idxall\": 1, \"keywordtitlesimi\": 0.7741777896881104, \"keywordslugsimi\": 0.7854968309402466, \"paratitlesimi\": 0.6243051290512085, \"paraslugsimi\": 0.6189185380935669, \"slug\": \"what-is-visual-comfort-probability-vcp\", \"title\": \"What is Visual Comfort Probability (VCP)\", \"id\": 14287}, {\"keyword\": \"visual comfort\", \"idxall\": 2, \"keywordtitlesimi\": 0.7741777896881104, \"keywordslugsimi\": 0.7854968309402466, \"paratitlesimi\": 0.6243051290512085, \"paraslugsimi\": 0.6189185380935669, \"slug\": \"what-is-visual-comfort-probability-vcp\", \"title\": \"What is Visual Comfort Probability (VCP)\", \"id\": 14287}, {\"keyword\": \"visual comfort\", \"idxall\": 3, \"keywordtitlesimi\": 0.7741777896881104, \"keywordslugsimi\": 0.7854968309402466, \"paratitlesimi\": 0.612658679485321, \"paraslugsimi\": 0.6109082698822021, \"slug\": \"what-is-visual-comfort-probability-vcp\", \"title\": \"What is Visual Comfort Probability (VCP)\", \"id\": 14287}, {\"keyword\": \"visual comfort\", \"idxall\": 0, \"keywordtitlesimi\": 0.7741777896881104, \"keywordslugsimi\": 0.7854968309402466, \"paratitlesimi\": 0.5680567026138306, \"paraslugsimi\": 0.5578045845031738, \"slug\": \"what-is-visual-comfort-probability-vcp\", \"title\": \"What is Visual Comfort Probability (VCP)\", \"id\": 14287}, {\"keyword\": \"color\", \"idxall\": 0, \"keywordtitlesimi\": 0.7840142250061035, \"keywordslugsimi\": 0.7840142250061035, \"paratitlesimi\": 0.560672402381897, \"paraslugsimi\": 0.560672402381897, \"slug\": \"what-is-color-temperature\", \"title\": \"What is Color Temperature\", \"id\": 12945}, {\"keyword\": \"screen brightness\", \"idxall\": 0, \"keywordtitlesimi\": 0.782523512840271, \"keywordslugsimi\": 0.782523512840271, \"paratitlesimi\": 0.6226456165313721, \"paraslugsimi\": 0.6226456165313721, \"slug\": \"what-is-brightness\", \"title\": \"What is Brightness\", \"id\": 14040}, {\"keyword\": \"luminance ratios\", \"idxall\": 1, \"keywordtitlesimi\": 0.7823734879493713, \"keywordslugsimi\": 0.7823734879493713, \"paratitlesimi\": 0.7154580354690552, \"paraslugsimi\": 0.7154580354690552, \"slug\": \"what-is-luminance\", \"title\": \"What is Luminance\", \"id\": 14235}, {\"keyword\": \"daylight source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7807435989379883, \"keywordslugsimi\": 0.7807435989379883, \"paratitlesimi\": 0.6032552123069763, \"paraslugsimi\": 0.6032552123069763, \"slug\": \"what-is-daylight-bulb\", \"title\": \"What is Daylight Bulb\", \"id\": 13746}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.7770816087722778, \"keywordslugsimi\": 0.7770816087722778, \"paratitlesimi\": 0.6353528499603271, \"paraslugsimi\": 0.6353528499603271, \"slug\": \"what-is-visible-light\", \"title\": \"What is Visible Light\", \"id\": 14198}, {\"keyword\": \"daylight source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7769638299942017, \"keywordslugsimi\": 0.7769638299942017, \"paratitlesimi\": 0.6300479173660278, \"paraslugsimi\": 0.6300479173660278, \"slug\": \"what-is-light-source\", \"title\": \"What is Light Source\", \"id\": 13922}, {\"keyword\": \"vertical illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7685387134552002, \"keywordslugsimi\": 0.7685387134552002, \"paratitlesimi\": 0.6907336115837097, \"paraslugsimi\": 0.6907336115837097, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"optical performance and quality of lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7679681777954102, \"keywordslugsimi\": 0.7679681777954102, \"paratitlesimi\": 0.6644500494003296, \"paraslugsimi\": 0.6644500494003296, \"slug\": \"what-is-light-quality\", \"title\": \"What is Light Quality\", \"id\": 13951}, {\"keyword\": \"window luminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7648450136184692, \"keywordslugsimi\": 0.7648450136184692, \"paratitlesimi\": 0.8076233267784119, \"paraslugsimi\": 0.8076233267784119, \"slug\": \"what-is-luminance-contrast\", \"title\": \"What is Luminance Contrast\", \"id\": 13286}, {\"keyword\": \"lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7588502168655396, \"keywordslugsimi\": 0.7588502168655396, \"paratitlesimi\": 0.6316021680831909, \"paraslugsimi\": 0.6316021680831909, \"slug\": \"what-is-lighting-terminology\", \"title\": \"What is Lighting Terminology\", \"id\": 12947}, {\"keyword\": \"daylight source\", \"idxall\": 0, \"keywordtitlesimi\": 0.7564054131507874, \"keywordslugsimi\": 0.7564054131507874, \"paratitlesimi\": 0.5770806670188904, \"paraslugsimi\": 0.5770806670188904, \"slug\": \"what-is-daylight-harvesting\", \"title\": \"What is Daylight Harvesting\", \"id\": 14359}, {\"keyword\": \"ambient light\", \"idxall\": 0, \"keywordtitlesimi\": 0.7511586546897888, \"keywordslugsimi\": 0.7511586546897888, \"paratitlesimi\": 0.5533599853515625, \"paraslugsimi\": 0.5533599853515625, \"slug\": \"what-is-overhead-lighting\", \"title\": \"What is Overhead Lighting\", \"id\": 13439}, {\"keyword\": \"brightness contrast\", \"idxall\": 0, \"keywordtitlesimi\": 0.7508174180984497, \"keywordslugsimi\": 0.7508174180984497, \"paratitlesimi\": 0.6666541695594788, \"paraslugsimi\": 0.6666541695594788, \"slug\": \"what-is-brightness\", \"title\": \"What is Brightness\", \"id\": 14040}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Luminance Ratio","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"\nWhat is Luminance Ratio - Rayzeek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rayzeek.com\/he\/\u05de\u05d9\u05dc\u05d5\u05df-\u05de\u05d5\u05e0\u05d7\u05d9\u05dd\/\u05de\u05d4\u05d5-\u05d9\u05d7\u05e1-\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea\" \/>\n<meta property=\"og:locale\" content=\"he_IL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Luminance Ratio - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"The luminance ratio is the ratio of average luminance to window luminance. It serves as an indicator of the brightness contrast between a daylight source and the entire visual field.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rayzeek.com\/he\/\u05de\u05d9\u05dc\u05d5\u05df-\u05de\u05d5\u05e0\u05d7\u05d9\u05dd\/\u05de\u05d4\u05d5-\u05d9\u05d7\u05e1-\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea\" \/>\n<meta property=\"og:site_name\" content=\"Rayzeek\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-14T03:15:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-26T08:39:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Horace He\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:site\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:label1\" content=\"\u05e0\u05db\u05ea\u05d1 \u05e2\u05dc \u05d9\u05d3\" \/>\n\t<meta name=\"twitter:data1\" content=\"Horace He\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u05d6\u05de\u05df \u05e7\u05e8\u05d9\u05d0\u05d4 \u05de\u05d5\u05e2\u05e8\u05da\" \/>\n\t<meta name=\"twitter:data2\" content=\"\u05d3\u05e7\u05d41\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio\"},\"author\":{\"name\":\"Horace He\",\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4\"},\"headline\":\"What is Luminance Ratio\",\"datePublished\":\"2023-08-14T03:15:35+00:00\",\"dateModified\":\"2023-12-26T08:39:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio\"},\"wordCount\":269,\"publisher\":{\"@id\":\"https:\/\/www.rayzeek.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg\",\"keywords\":[\"glossary\"],\"articleSection\":[\"glossary\"],\"inLanguage\":\"he-IL\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio\",\"url\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio\",\"name\":\"What is Luminance Ratio - Rayzeek\",\"isPartOf\":{\"@id\":\"https:\/\/www.rayzeek.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg\",\"datePublished\":\"2023-08-14T03:15:35+00:00\",\"dateModified\":\"2023-12-26T08:39:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#breadcrumb\"},\"inLanguage\":\"he-IL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"he-IL\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage\",\"url\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg\",\"contentUrl\":\"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg\",\"width\":1200,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.rayzeek.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is Luminance Ratio\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.rayzeek.com\/#website\",\"url\":\"https:\/\/www.rayzeek.com\/\",\"name\":\"Rayzeek\",\"description\":\"Motion Sensor & Occupancy Sensor Expert\",\"publisher\":{\"@id\":\"https:\/\/www.rayzeek.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.rayzeek.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"he-IL\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.rayzeek.com\/#organization\",\"name\":\"Rayzeek\",\"url\":\"https:\/\/www.rayzeek.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"he-IL\",\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png\",\"contentUrl\":\"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png\",\"width\":260,\"height\":101,\"caption\":\"Rayzeek\"},\"image\":{\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/bester001\/\",\"https:\/\/x.com\/RayzeekTech\",\"https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4\",\"name\":\"Horace He\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"he-IL\",\"@id\":\"https:\/\/www.rayzeek.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b9ab0da9c3f45afde750e07034029871?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b9ab0da9c3f45afde750e07034029871?s=96&d=mm&r=g\",\"caption\":\"Horace He\"},\"description\":\"Horace He has worked in the motion sensor industry for 12 years. He is the CEO of Rayzeek, an all-in-one manufacturing company of motion sensor switches, occupancy sensors, light sensors, dimmers, and motion sensor lights. Horace helps his customers to reduce electricity energy waste and enjoy a smarter, greener, hands-free lifestyle. In his free time, Horace likes to hike, travel, and go fishing with his family.\",\"sameAs\":[\"https:\/\/rayzeek.com\",\"https:\/\/www.facebook.com\/bester001\/\",\"https:\/\/x.com\/RayzeekTech\",\"https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA\"],\"url\":\"https:\/\/www.rayzeek.com\/he\/author\/horace\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is Luminance Ratio - Rayzeek","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.rayzeek.com\/he\/\u05de\u05d9\u05dc\u05d5\u05df-\u05de\u05d5\u05e0\u05d7\u05d9\u05dd\/\u05de\u05d4\u05d5-\u05d9\u05d7\u05e1-\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea","og_locale":"he_IL","og_type":"article","og_title":"What is Luminance Ratio - Rayzeek","og_description":"The luminance ratio is the ratio of average luminance to window luminance. It serves as an indicator of the brightness contrast between a daylight source and the entire visual field.","og_url":"https:\/\/www.rayzeek.com\/he\/\u05de\u05d9\u05dc\u05d5\u05df-\u05de\u05d5\u05e0\u05d7\u05d9\u05dd\/\u05de\u05d4\u05d5-\u05d9\u05d7\u05e1-\u05d1\u05d4\u05d9\u05e8\u05d5\u05ea","og_site_name":"Rayzeek","article_publisher":"https:\/\/www.facebook.com\/bester001\/","article_author":"https:\/\/www.facebook.com\/bester001\/","article_published_time":"2023-08-14T03:15:35+00:00","article_modified_time":"2023-12-26T08:39:00+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg","type":"image\/jpeg"}],"author":"Horace He","twitter_card":"summary_large_image","twitter_creator":"@RayzeekTech","twitter_site":"@RayzeekTech","twitter_misc":{"\u05e0\u05db\u05ea\u05d1 \u05e2\u05dc \u05d9\u05d3":"Horace He","\u05d6\u05de\u05df \u05e7\u05e8\u05d9\u05d0\u05d4 \u05de\u05d5\u05e2\u05e8\u05da":"\u05d3\u05e7\u05d41"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#article","isPartOf":{"@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio"},"author":{"name":"Horace He","@id":"https:\/\/www.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4"},"headline":"What is Luminance Ratio","datePublished":"2023-08-14T03:15:35+00:00","dateModified":"2023-12-26T08:39:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio"},"wordCount":269,"publisher":{"@id":"https:\/\/www.rayzeek.com\/#organization"},"image":{"@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage"},"thumbnailUrl":"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg","keywords":["glossary"],"articleSection":["glossary"],"inLanguage":"he-IL"},{"@type":"WebPage","@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio","url":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio","name":"What is Luminance Ratio - Rayzeek","isPartOf":{"@id":"https:\/\/www.rayzeek.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage"},"image":{"@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage"},"thumbnailUrl":"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg","datePublished":"2023-08-14T03:15:35+00:00","dateModified":"2023-12-26T08:39:00+00:00","breadcrumb":{"@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#breadcrumb"},"inLanguage":"he-IL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio"]}]},{"@type":"ImageObject","inLanguage":"he-IL","@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#primaryimage","url":"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg","contentUrl":"https:\/\/www.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-7.jpg","width":1200,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/www.rayzeek.com\/glossary\/what-is-luminance-ratio#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.rayzeek.com\/"},{"@type":"ListItem","position":2,"name":"What is Luminance Ratio"}]},{"@type":"WebSite","@id":"https:\/\/www.rayzeek.com\/#website","url":"https:\/\/www.rayzeek.com\/","name":"Rayzeek","description":"Motion Sensor & Occupancy Sensor Expert","publisher":{"@id":"https:\/\/www.rayzeek.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.rayzeek.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"he-IL"},{"@type":"Organization","@id":"https:\/\/www.rayzeek.com\/#organization","name":"Rayzeek","url":"https:\/\/www.rayzeek.com\/","logo":{"@type":"ImageObject","inLanguage":"he-IL","@id":"https:\/\/www.rayzeek.com\/#\/schema\/logo\/image\/","url":"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png","contentUrl":"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png","width":260,"height":101,"caption":"Rayzeek"},"image":{"@id":"https:\/\/www.rayzeek.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/bester001\/","https:\/\/x.com\/RayzeekTech","https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA"]},{"@type":"Person","@id":"https:\/\/www.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4","name":"Horace He","image":{"@type":"ImageObject","inLanguage":"he-IL","@id":"https:\/\/www.rayzeek.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/b9ab0da9c3f45afde750e07034029871?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b9ab0da9c3f45afde750e07034029871?s=96&d=mm&r=g","caption":"Horace He"},"description":"Horace He has worked in the motion sensor industry for 12 years. He is the CEO of Rayzeek, an all-in-one manufacturing company of motion sensor switches, occupancy sensors, light sensors, dimmers, and motion sensor lights. Horace helps his customers to reduce electricity energy waste and enjoy a smarter, greener, hands-free lifestyle. In his free time, Horace likes to hike, travel, and go fishing with his family.","sameAs":["https:\/\/rayzeek.com","https:\/\/www.facebook.com\/bester001\/","https:\/\/x.com\/RayzeekTech","https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA"],"url":"https:\/\/www.rayzeek.com\/he\/author\/horace"}]}},"_links":{"self":[{"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/posts\/13582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/comments?post=13582"}],"version-history":[{"count":1,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/posts\/13582\/revisions"}],"predecessor-version":[{"id":14397,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/posts\/13582\/revisions\/14397"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/media\/12865"}],"wp:attachment":[{"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/media?parent=13582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/categories?post=13582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rayzeek.com\/he\/wp-json\/wp\/v2\/tags?post=13582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}