SUBSTRATE, LIGHT-EMITTING DEVICE, AND ILLUMINATION DEVICE

摘要

A substrate (10) on which LEDs (30) are to be mounted to form an element row and which includes a first line (21) and a second line (22) disposed such that the element row is interposed therebetween. The first line (21) includes a first main line portion (21b) extending mainly in the row direction of the element row, and a first connecting portion (21a) connected to the first main line portion (21b) and including a portion for connecting to the LEDs (30). The second line (22) includes a second main line portion (22b) extending mainly in the row direction of the element row, and a second connecting portion (22a) connected to the second main line portion (22b) and including a portion for connecting to the LEDs (30). The gap between the first main line portion (21b) and the second main line portion (22b) is larger at LED mounting positions (30a) than at positions other than the LED mounting positions (30a).