CPC G02F 1/133609 (2013.01) [G02F 1/133603 (2013.01); G02F 1/133606 (2013.01); G02F 1/133637 (2021.01); G09G 3/3607 (2013.01)] | 15 Claims |
1. A backlighting device for a screen for a television, mobile phone or the like, wherein the backlighting device comprises a plurality of clusters of LED light sources, each cluster comprising:
a first LED light source adapted to emit light having a peak wavelength between 600 and 630 nm;
a second LED light source adapted to emit light having a peak wavelength between 510 and 530 nm;
a third LED light source adapted to emit light having a peak wavelength between 440 and 460 nm;
wherein the light emitted by at least the second LED light source has a bandwidth of less than 10 nm and an intensity of the peak wavelength of the third LED light source is less than 200% of the maximum of either of the peaks of the first or second LED light sources.
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