Patent ID: 9166133
Filing Date: 2015-10-20
Classification: F21K,H01L

Abstract:
1. An LED substrate comprising: a translucent substrate body in which an LED chip is disposed on a front face; and a heat dissipation path provided in the substrate body to dissipate heat generated in the LED chip, wherein the substrate body includes a through hole that penetrates through the substrate body from the front face on which the LED chip is provided to a back face, wherein the heat dissipation path includes a heat transfer path section provided in the through hole, and a heat dissipation pattern section provided on the back face of the substrate body, and connected to the heat transfer path section, and wherein the substrate body has a plurality of the heat transfer path sections provided in a plurality of the through holes to correspond to a plurality of the LED chips provided, and the heat dissipation pattern section having a grid or ladder-like pattern connects the heat transfer path sections.