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{"cards":[{"_id":"2671cfc0330c0554e400004c","treeId":"2671cfd2330c0554e400004a","seq":23037831,"position":1,"parentId":null,"content":"LED Luminance of a light source or a illuminated surface refers to the light intensity density of its unit surface ina certain direction, also can be said to be the brightness of the light source or the illuminated surface perceived by the human eye, color temperature, The unit, Kelvin [K], is the temperature at which the blackbody radiates the same color as the light source at a certain temperature. The higher the black body temperature, the more blue and less red components of the spectrum. For example, the light color of LED incandescent lamp is warm white, and its color temperature is expressed as 2700K, while the color temperature of daylight fluorescent lamp is expressed as 6500K, light color, light color is actually the color temperature. It can be divided into three categories, warm color <3300K, middle color 3300 to 5000K, cool color >5000K.\n\nCommon-Cathode CC <a href=\"http://www.lanpade.com/7-segment-led-dot-matrix/3101agg.html\" style=\"color: #333;\">3101AGG</a> 7-Segment digit <a href=\"http://www.xlitx.com/datasheet/3101AGG.pdf\" style=\"color: #333;\">3101AGG</a> LED Common-Anode CA <a href=\"http://www.lanpade.com/7-segment-led-dot-matrix/3101bgg.html\" style=\"color: #333;\">3101BGG</a> Display <a href=\"http://www.xlitx.com/datasheet/3101BGG.pdf\" style=\"color: #333;\">3101BGG</a> 0.30 inch\nCommon-Cathode CC <a href=\"http://www.lanpade.com/7-segment-led-dot-matrix/3011agg.html\" style=\"color: #333;\">3011AGG</a> 7-Segment digit <a href=\"http://www.xlitx.com/datasheet/3011AGG.pdf\" style=\"color: #333;\">3011AGG</a> LED Common-Anode CA <a href=\"http://www.lanpade.com/7-segment-led-dot-matrix/3011bgg.html\" style=\"color: #333;\">3011BGG</a> Display <a href=\"http://www.xlitx.com/datasheet/3011BGG.pdf\" style=\"color: #333;\">3011BGG</a> 0.30 inch\n\n<hr style=\"border:1px solid;\">\n\n<a href=\"https://gingkoapp.com/the-unit-price-of-1w-white-led.html\" style=\"color: #333;\">The unit price of 1W white LED</a>\n<a href=\"https://gingkoapp.com/home-applications-of-led-lighting.html\" style=\"color: #333;\">Home applications of LED lighting</a>\n<a href=\"https://gingkoapp.com/12v-and-24v-led-lamp-application.html\" style=\"color: #333;\">12V and 24V LED lamp application</a>\n<a href=\"https://gingkoapp.com/led-lighting-power-supply-system-is-complex.html\" style=\"color: #333;\">LED lighting power supply system is complex</a>\n<a href=\"https://gingkoapp.com/chinese-lighting-market-is-huge.html\" style=\"color: #333;\">Chinese lighting market is huge</a>\n<a href=\"https://gingkoapp.com/color-and-brightness-of-led-in-different-occasions.html\" style=\"color: #333;\">Color and brightness of LED in different occasions</a>\n<a href=\"https://gingkoapp.com/leds-luminous-intensity-unit-is-candela.html\" style=\"color: #333;\">Leds Luminous Intensity Unit is Candela</a>\n<a href=\"https://gingkoapp.com/led-luminous-flux-in-unit-of-lumen.html\" style=\"color: #333;\">LED luminous flux in unit of Lumen</a>\n<a href=\"https://gingkoapp.com/led-luminance-refers-to-the-light-intensity-density.html\" style=\"color: #333;\">LED Luminance refers to the light intensity density</a>\n<a href=\"https://gingkoapp.com/the-color-rendering-of-led-may-be-different.html\" style=\"color: #333;\">The color rendering of LED may be different</a>"}],"tree":{"_id":"2671cfd2330c0554e400004a","name":"LED Luminance refers to the light intensity density","publicUrl":"led-luminance-refers-to-the-light-intensity-density"}}