Highly transparent top electrode for OLED device

   
   

A method of making an OLED device capable of emitting light through the top electrode of such device includes providing a substrate and an anode over the substrate; providing an emissive layer disposed over the anode; providing first and second layers over the emissive layer with the first layer being in contact with the emissive layer or electron-transport layer and having a compound that includes an electron-injecting element, and the second layer having a reactive metal, and wherein such reactive metal reacts with the compound to release the electron-injecting element that dopes the interfacial region of the emissive layer or electron-transport layer to improve electron-injection and also reduces the reflectivity of the first and second layers is reduced; and providing a transparent conducting non-metallic top electrode over the second layer.

Un método de hacer un dispositivo de OLED capaz de emitir la luz a través del electrodo superior de tal dispositivo incluye el abastecimiento de un substrato y de un ánodo sobre el substrato; el abastecimiento de una capa emissive dispuso sobre el ánodo; proporcionando primero y las segundas capas sobre la capa emissive la primera capa que está en contacto con la capa emissive o electro'n-transportan capa y tener un compuesto que incluya un elemento electro'n-que inyecta, y la segunda capa que tiene un metal reactivo, y en donde tal metal reactivo reacciona con el compuesto al lanzamiento el elemento electro'n-que inyecta que las drogas la región diedra de la capa emissive o electro'n-transporte la capa para mejorar la electro'n-inyeccio'n y también reduce la reflectividad del primera y se reducen las segundas capas; y proporcionando un excedente superior no-metálico transparente del electrodo que conduce la segunda capa.

 
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