Color rendering index is a relative to the reference light source (typically sunlight) is able to r

Color rendering index is a relative to the reference light source (typically sunlight) is able to reproduce the colors of the illuminated object properties. If a red object is illuminated by two light sources with different color rendering index (CRI), then the object will be showing two different levels of red. Between the light source color rendering index of 0-100. CRI can reach 100 incandescent light sources in general is, the higher the CRI, the illuminated object, the brighter the color fidelity (Figure 2). LED manufacturers continue to invest enable LED, especially packaged chip can reach 97 high color rendering index. Some well-known manufacturers have launched a special place dedicated for the needs of LED lighting products, such as bakeries krocket and meat and other food stores. In order to improve or enhance light colors such special purpose, these sources must have its own specific krocket color temperature and spectrum.
In some applications, the color index is a very important parameter, the same LED light source area is also very important. LED light source can cover an area larger, white tone visual difference between the two devices will be smaller. The early 1940s, David Michael Adam (David MacAdam) experimentally krocket defined the sensitivity of the human visual color change. In fact, how to provide people with accurate color perception of color guide with how to distinguish very similar. Each FIG MacAdam ellipse shape are divided into seven levels, referred to as "color matching standard deviation" (SDCM) (Figure 3). To the human eye, MacAdam krocket ellipse within three color differences are difficult to distinguish, so that the manufacturer is general practice to control the hue of the LED light source in the "Level 3 within." If this can be done, then it is a project for the lighting, you can maintain a high degree of unity between the various white tones lamps installed in the same environment.

November 11, 2013, jointly organized by the R & D and Industry Alliance and "Lighting Design" magazine National Semiconductor krocket Lighting Project "language of light spatial depth dialogue inaugural lighting designer Forum" was held. Friends Meeting light show studio executives interviewed Liquidesign France certified architect / lighting designer Jean-Jacques Lanzo, highlights the design center and chairman Ding Ping, general manager of the pillars of the international lighting design Beijing krocket Xu Dongliang, to discuss the relationship between light language space. November 11, 2013, jointly organized by the R & D and Industry Alliance and "Lighting Design" magazine National Semiconductor Lighting Project "language of light spatial depth dialogue inaugural lighting designer Forum" was held. Light Friends Meeting program interviewed Tian Ling, Director, China Academy of Urban Construction Guo Wenjun Li and Wang Hui Ling intelligent design ZNA deputy director of the architectural design firm, to explore the relationship between light language space.
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