| 摘要 |
A method for operating a backlighting unit adapted for illuminating a printed graphic with light emitted from an illumination surface of a light guide. The method includes the step of arranging a plurality of LEDs so that light emitted therefrom impinges upon an input surface of the light guide. The method specifically requires that the LEDs emit light that is roughly equivalent to solar illumination of 6500K CCT yet enhanced in the blue and the red portions of the spectrum thereby producing light in the range of 7500K CCT to 9000K CCT.
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