| 摘要 |
PROBLEM TO BE SOLVED: To suppress degradation of contrast by reflection of the sunlight in a back electrode in a full color EL element. SOLUTION: Between a transparent substrate 1 in a display face side and a transparent electrode 3 of a full color EL element, filters 2a, 2b, and 2c which make only the light of a wavelength zone having almost the same wavelength zone to the luminescent wavelength zone of pixels penetrate, are prepared corresponding to the positions of each the RGB pixels. By this, the strength of the outdoor light L is reduced, which is emitted from the full color EL element by being reflected by the back electrode 5, while making the lights Lr, Lg, and Lb of each pixels emit from the full color EL element without cutting a long wavelength zone.
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