| 摘要 |
By adopting the structure of this invention in which a transparent electrically conductive film is used in both of anode 202 A and cathode 202 B of an organic light emitting element having a hole transporting layer 203 , a light emitting layer 204 , an electron transporting layer 205 and an electron injecting layer 206 , providing films having a light reflecting function 201 and 207 on the outside of the anode and cathode, and thereby making the gap between them function as a light vibrator, there can be obtained an organic light emitting element with which the above-mentioned two problems can be solved simultaneously.
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