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Difference between High Display Index LED and Ordinary LED
'Lighting should be people-oriented' has become a consensus in the industry. Manufacturers are no longer just concerned with pure light efficiency or lifespan, but also consider human perception of light and its impact on people, hoping to create artificial light that is closer to natural light. Natural light, also known as "sunlight", high color rendering index color rendering 925000 years ago, people mainly relied on natural light to work from sunrise to sunset.
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Application of Endoscopic Cold Light Source - Multi Mode Narrowband Imaging Endoscope for Gastrointestinal Tumors
Traditional electronic endoscopes use xenon lamps as illumination light, and this NBI endoscope imaging blue light spectrum, known as "white light," is actually composed of three types of light: R/G/B (red/green/blue), with wavelengths of 605nm, 540nm, and 415nm, respectively.
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Limitations of high index LED cold light source - red, green and blue radiation flux ratio
The CRI 90 cold light source is not a perfect value, in fact, it only reflects the color rendering of the high color rendering LED cold light source for a small segment of medium saturation color, and the color point of the high color rendering cold light source is best to be close to the blackbody radiation trajectory, and the color temperature of the CRI 90 cold light source is neither too high nor too low.
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