Patent ID: 9252385
Filing Date: 2016-02-02
CPC Classification: H01L

Claim Text:
1. An organic light emitting device, comprising: a base substrate defining an active area and a pad area that surrounds the active area; an organic light emitting layer formed on the active area; a first protective layer formed to cover the active area, where the organic light emitting layer is formed, and the pad area; a second protective layer formed to cover the first protective layer, wherein the second protective layer is an organic layer; a dam formed between the first protective layer and the second protective layer, wherein the dam is located at a boundary between the active area and the pad area and includes a groove that is positioned separate from an outer portion of the active area, and wherein the groove of the dam receives organic material; a planarization layer on the base substrate; and a bank on the planarization layer, wherein the planarization layer and the bank are not formed at the dam.