Patent ID: 9312458
Filing Date: 2016-04-12
CPC Classification: F21K,F21S,F21V,H01L

Claim Text:
1. A lighting device comprising: a light source module comprising at least one light source disposed on a printed circuit board and a resin layer disposed on the printed circuit board so that the light source is embedded; an indirect light emission unit which is formed at at least any one of one side and another side of the light source module and which reflects light irradiated from the light source; and a diffusion plate having an upper surface formed on the light source module, and a side wall which is integrally formed with the upper surface and is formed to extend in a lower direction and which is adhered onto an outer side surface of the indirect light emission unit, wherein a first separated space is formed between the light source module and the upper surface of the diffusion plate, wherein the light source module further comprises a reflection unit formed between the printed circuit board and the resin layer and having a spacing part in an inner part thereof, and wherein the reflection unit comprises: a first reflection film which is adhered onto a surface of the printed circuit board; and a second reflection film which is spaced apart from the first reflection film to form the spacing part and which is made of a transparent material.