Patent ID: 6445126
Filing Date: 2002-09-03
Classification: H01L,H05B

Abstract:
An organic electroluminescent device comprising a hole injecting electrode,an electron injecting electrode, an organic layer participating in a light emitting function disposed between the electrodes, said organic layer including a light emitting layer comprising a conjugated polymer, and an inorganic insulative hole injecting layer disposed between the light emitting layer and the hole injecting electrode, wherein said inorganic insulative hole injecting layer contains as a main component an oxide represented by the formula: (SixGe1âˆ’x)Oy wherein x is from 0 to 1 and y is from 0.2 to 1.99, andwherein said inorganic insulative hole injecting layer further contains up to 30 wt. % based on the main component of carbon or nitrogen or a mixture of carbon and nitrogen.