A display device comprising an array of pixels, each pixel comprising at least three sub-pixels, each sub-pixel comprising a blue LED device configured to emit a color spectrum whose dominant wavelength is less than 455nm and more than 380nm having a light source color point, the three blue LED devices being of the same type, wherein the blue LED device of the first sub-pixel is covered with a first wavelength converting layer designed to emit red light having a first color point, the blue LED device of the second sub-pixel is covered with a second wavelength converting layer designed to emit green light having a second color point, the light source color point, the first color point and the second color point defining a first color space which is different from a set color space, and the blue LED device of the third sub-pixel is covered with a third wavelength converting layer designed to emit light with a dominant wavelength having a fourth color point, said fourth color point being such that the combination of light emitted by the blue LED device not converted by the third wavelength converting layer and the light converted by the third wavelength converting layer results in light having a third color point, wherein the first, the second and the third color points define a second color space in which the set color space is included, characterised in that: the first wavelength converting layer is configured to emit red light with a dominant wavelength of 620 nm when excited by the blue light of the blue LED device of the first sub-pixel, the second wavelength converting layer is configured to emit green light with a dominant wavelength of 532 nm when excited by the blue light of the blue LED device of the second sub-pixel, and the set color space is any one of Rec 709, Rec 2020, sRGB or DCI-P3. wherein the blue LED device of the first sub-pixel is covered with a first wavelength converting layer designed to emit red light having a first color point, the blue LED device of the second sub-pixel is covered with a second wavelength converting layer designed to emit green light having a second color point, the light source color point, the first color point and the second color point defining a first color space which is different from a set color space, and the blue LED device of the third sub-pixel is covered with a third wavelength converting layer designed to emit light with a dominant wavelength having a fourth color point, said fourth color point being such that the combination of light emitted by the blue LED device not converted by the third wavelength converting layer and the light converted by the third wavelength converting layer results in light having a third color point, wherein the first, the second and the third color points define a second color space in which the set color space is included, characterised in that: the first wavelength converting layer is configured to emit red light with a dominant wavelength of 620 nm when excited by the blue light of the blue LED device of the first sub-pixel, the second wavelength converting layer is configured to emit green light with a dominant wavelength of 532 nm when excited by the blue light of the blue LED device of the second sub-pixel, and the set color space is any one of Rec 709, Rec 2020, sRGB or DCI-P3. the first wavelength converting layer is configured to emit red light with a dominant wavelength of 620 nm when excited by the blue light of the blue LED device of the first sub-pixel, the second wavelength converting layer is configured to emit green light with a dominant wavelength of 532 nm when excited by the blue light of the blue LED device of the second sub-pixel, and the set color space is any one of Rec 709, Rec 2020, sRGB or DCI-P3.