Morgan, Lewis & Bockius LLP
Organic electroluminescence device and method for fabricating the same
An organic electroluminescent (EL) device having improved efficiency and service life is provided. The organic electroluminescent device has a stack structure including an emitting layer and an electron-transport layer positioned between an anode and a cathode. The electron-transport layer includes a first layer adjacent to the emitting layer which may be a mixture of at least two materials, and a second layer adjacent to the cathode which may be a mixture of at least two materials. The mixture of at least two materials may be a mixture of an organic compound and one or more other organic compounds, or may be a mixture of a metal or inorganic compound and one or more other metal or inorganic compounds, or may be a mixture of one or more organic compounds and one or more metal or inorganic compounds.
LG Display Co., Ltd.
H H H H H H H H
H01L H01L H01L H01L H01L H01L H01L H01L
additional additional additional additional additional inventional additional additional
Eun Soo Jae Man Jeong Dae Sang Tae Chang Je Myung Seop
Cha Lee Seo Park Sung Kim