| http://www.w3.org/ns/prov#value | - The LED 70 as the light source for the image display device 2 comprises three types of LED 70 a, 70 b and 70 c which can emit light of the primary colors such as red, green and blue, or cyan, magenta and yellow so that time-division luminescence of each of the LEDs causes incidence of light of the corresponding color on the image display device 2.
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