Patent ID: 7611780
Filing Date: 2009-11-03
Classification: C09K,H01L

Abstract:
1. A lighting device comprising: a supporting member; a plurality of light emitting element disposed on the supporting member, and each emitting light from an upper and side surfaces thereof; a first fluorescent layer containing an organic phosphor and disposed on the supporting member; and a second fluorescent layer containing only an inorganic phosphor and disposed on the upper surface of the supporting member; wherein the second fluorescent layer is disposed to cover the upper and side surfaces of the light emitting element, and the first fluorescent layer is disposed on at least side surface of the light emitting element with the second fluorescent layer being interposed between the light emitting element and the first fluorescent layer, wherein the organic phosphor is a trivalent europium complex, wherein the europium complex has a structure represented by the following formula (2): wherein R