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ILLUMINATING DEVICE AND LUMINAIRE COMPRISING THE ILLUMINATING DEVICE

Abstract(summary):

The present invention relates to an illuminating device (10), characterized in that comprising : a plurality of first LED chips (1.1) covered by first phosphor layers (5), a plurality of second LED chips (1.2) covered by second phosphor layers (6), and a circuit board (2) for supporting the first and second LED chips (1.1, 1.2), the first and second LED chips (1.1, 1.2) are tunable in brightness, and the first phosphor layers (5) and the second phosphor layers (6) are alternately arranged. By using this illuminating device, a fixed light distribution pattern can be obtained during CCT adjustment, and no light ring will appear. In addition, the present invention also provides a luminaire having the illuminating device.


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