| abstract |
[Object] To increase the work efficiency of an anode to increase the efficiency of hole injection, to reduce the element drive voltage, to improve the life characteristics and chromaticity stability during continuous drive, and to increase resistance as much as possible Provided is a method for producing a suppressed organic electroluminescence device. A method of manufacturing an organic electroluminescent element formed by providing an organic light emitting layer 3 that controls light emission between an anode 6 and a cathode 1 is provided. After cleaning the surface of the anode 6 so that the contact angle with water on the surface of the anode 6 is 10 ° or less, the work function of the surface of the anode 6 is increased by 0.5 eV or more by exposure to vapor of an acid solution. Perform surface treatment. Thereafter, the organic light emitting layer 3 and the cathode 1 are formed on the anode 6. [Selection] Figure 1 |