There is provided a light emitting device having a plurality of luminous elements emitting with different colors respectively being improved in a luminous intensity deviation and a color deviation without deterioration of a luminous efficiency. In the light emitting device having a plurality of luminous elements respectively emitting with different colors, both a traveling wave of light and a reflected wave of light enhance intensity of light.

 
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< Triarylamine polymer, process for producing the same, and use thereof

> Device for displaying images on its front and back surfaces

> Blue organic electroluminescent device comprising dopants having ultraviolet and visible luminescent properties

~ 00554