| 摘要 |
A lighting device, comprising first and second light emitters that emit light having first and second color points, respectively, and first and second sensors that detect brightness of light within 0.01 delta u′, v′ of the first and second color points, respectively. A method comprising supplying energy to first and second light, emitters that emit light having first and second color points, respectively, and detecting brightness of light within 0.01 delta u′, v′ of the first and second color points, respectively.
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