| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent element capable of displaying an image having high luminance and high contrast, and displaying very small letters with excellent visibility even if it is applied for displaying them, and to provide a manufacturing method of the organic electroluminescent element. SOLUTION: In this organic electroluminescent element having a transparent substrate and one or more organic layers containing a luminous layer between a pair of electrodes formed on it, the transparent substrate is provided on the light extracting surface side. This organic electroluminescent element has a prism structural body formed by combining a prism pattern containing a medium having a refractive index (n1) and a prism pattern containing a medium having a refractive index (n2) in this order from the luminous layer side between the transparent substrate and the electrode on the light extracting surface side, n1/n2 is not less than 1.5, and a distance from the prism side surface of the luminous layer to the lowest surface of the prism is not more than 100μm. Also, the manufacturing method of this organic electroluminescent element is provided. COPYRIGHT: (C)2006,JPO&NCIPI
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