Patent ID: 8003999
Filing Date: 2011-08-23
Classification: H01L

Abstract:
1. An organic light emitting device comprising: a substrate; an encapsulation substrate; an organic light emitting unit interposed between the substrate and the encapsulation substrate; and a water vapor absorption material-containing sealant layer that covers and contacts at least a portion of the organic light emitting unit, the water vapor absorption material-containing sealant layer comprising: a sealant having a water vapor transmission rate (WVTR) of about 20 g/m a water vapor absorption material selected from the group consisting of metal oxide and metal salt having average particle sizes of about 100 nm or less; wherein the substrate and the encapsulation substrate are interconnected via the water vapor absorption material-containing sealant layer; and wherein the sealant having a water vapor transmission rate (WVTR) of about 20 g/m