Fabrication of organic light emitting diode with a microlens structure by functional polymer colloid

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We planed to establish the novel fabrication process of organic light emitting diode(OLED) with the use of the polymer electrodeposition method. To make up the light emitting layer of OLED, we prepared two kinds of colloids consist of the hole transporting compounds and the electron transporting luminescent materials. At first, we created numerous circular openings regularly on the ITO electrode by the resist materials. Consecutively, we electrophoresed those fabricated colloids toward the numerous circular openings on the ITO electrode. Those colloids were piled up, then, the light emitting layer was fabricated. Moreover, we prepared the cathode electrode on the light emitting layer. We impressed the electric field upon the light emitting layer, and then we observed the electroluminescence from the light emitting layer.