Invention Grant
US08436531B2 Lighting device having plural light emitting layers with carrier generation layer therebetween 有权
具有多个具有载流子生成层的发光层的照明装置

Lighting device having plural light emitting layers with carrier generation layer therebetween
Abstract:
It is an object of the present invention to provide a light emitting device which is less affected by a malfunction caused in a light emitting element. It is another object of the invention to provide a light emitting device in which light emitting elements are connected in series. As to a light emitting device of the invention, groups of circuits each having a light emitting element and a limiter are connected in parallel. Here, a light emitting element and a limiter are connected in series. The number of the circuits may be at least two or more. Further, each circuit group includes at least one light emitting element.
Public/Granted literature
Information query
Patent Agency Ranking
0/0