The conventional type where it is combined with one transparency OLED at least with lamination constitution, liquid crystal display (LCD) and the like the semi- transmitted type display unit (180) functioning it does as the back light in, possesses one reflector organic light-emitting diode (OLED) (156) is disclosed. At least, two transparencies OLED (154,152) one conventional type OLED (156) with is arranged with lamination constitution, light of the bandwidth where each one of three OLED differs (161N, 161G and 161B) it is desirable to give out. The reflector which is placed in the rear of back light (117), it does also function as a reflector for displaying. This arrangement raises reflectance ratio, makes the color consecutive arrangement in transmitted mode possible, all components of full-color indication (namely, red, green and blue), passes by the same pixel without needing the color filter, makes that it gives out possible.
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