Polar coordinate-based non-polar dimming and color modulation method
A stepless dimming and polar coordinate technology, applied in the field of dimming, can solve the problems of inability to adjust color temperature and luminosity, change of luminosity, etc., and achieve the effect of improved dimming accuracy, high precision, and uniform and smooth dimming process.
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[0016] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0017] Color temperature is a unit of measurement that includes color costs in light, and refers to the color that an absolute black body presents after being heated from absolute zero (-273°C). According to the CIE chromaticity calculation model, the chromaticity coordinates corresponding to the target color temperature can be established, and the Tamaru team proposed the color temperature calculation formula:
[0018] T=669A 4 -779A 3 +3360A 2 -7047A+5652 (1.1)
[0019] In the formula (1.1), T is the calculated color temperature value, A is the reciprocal of the slope of the isocolor temperature line, and the calculation formula is:
[0020...
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