Organic Electro-Luminescence Device

Abstract

A method of fabricating an organic electro-luminescence device comprising the steps of providing a substrate, an organic chamber, and a sputtering chamber, forming a hole injection layer on the substrate, forming a hole transport layer on the hole injection layer in the organic chamber, forming a light-emitting layer on the hole transport layer in the organic chamber, disposing a metal chelate material on the light-emitting layer and partially doping a CsF compound into the metal chelate material to forming an electron transporting layer in the organic chamber, forming a buffer layer on the electron transporting layer in the organic chamber, transferring the substrate, the hole injection layer, the hole transport layer, light-emitting layer, the electron transporting layer, and the buffer layer form the organic chamber to the sputtering chamber, and forming an electron injection layer on the buffer layer in the sputtering chamber

1 . An organic electro-luminescence device comprising:
 a substrate;   a hole injection layer disposed on the substrate;   a hole transport layer disposed on the hole injection layer;   a light-emitting layer disposed on the hole transport layer;   an electron transporting layer disposed on the light-emitting layer, and comprising a metal chelate material and a CsF compound doped into the metal chelate material, wherein only an top portion of the electron transporting layer is doped with the CsF compound, and the other portion of the electron transporting layer is un-doped;   a buffer layer disposed on the electron transporting layer; and   an electron injection layer disposed on the buffer layer.   
     
     
         2 . The organic electro-luminescence device according to  claim 1 , wherein the hole injection layer is made of conductive transparent materials. 
     
     
         3 . The organic electro-luminescence device according to  claim 1 , wherein the hole injection layer is made of ITO or IZO. 
     
     
         4 . The organic electro-luminescence device according to  claim 1 , wherein the material of the light-emitting layer is selected from the group of fluorescent dyes, phosphorous dyes, and chelate materials. 
     
     
         5 . The organic electro-luminescence device according to  claim 1 , wherein the material of the light-emitting layer is selected from the group of Alq3, NPB, CuPc, C545T, DCJTB, CBP, Balq, and Ir(ppy)3. 
     
     
         6 . The organic electro-luminescence device according to  claim 1 , wherein the wherein the metal chelate material is aluminaum chelate (Alq3). 
     
     
         7 . The organic electro-luminescence device according to  claim 1 , wherein the wherein the buffer layer includes a phthalocyanine-based organic compound. 
     
     
         8 . The organic electro-luminescence device according to  claim 1 , wherein the wherein the buffer layer includes phthalocyanine-Cu complex. 
     
     
         9 . The organic electro-luminescence device according to  claim 1 , wherein the electron injection layer is made of conductive transparent materials. 
     
     
         10 . The organic electro-luminescence device according to  claim 1 , wherein the electron injection layer is made of ITO or IZO.