A light-emitting module comprising: a first insulating film having light transmissive property; a plurality of conductor patterns (23a-23i); at least one light-emitting element connected to any two of the plurality of conductor patterns (23a-23i) and emitting light from both upper and lower surfaces; and a resin layer having light transmissive property, the resin layer holds the light-emitting element to the first insulating film, wherein: each of the conductor patterns (23a-23i) includes: a plurality of first line patterns formed on the first insulating film, the first line patterns being parallel to one another; and a plurality of second line patterns formed on the first insulating film arranged apart from the first line patterns and intersecting with the first line patterns, the second line patterns being parallel to one another, wherein a first conductor pattern of the plurality of conductor patterns (23a-23i) and a second conductor pattern of the plurality of conductor patterns (23a-23i) are arranged adjacent to each other and forming a boundary between the first and second conductor pattern (23a, 23b) such that end portions of the first and second line patterns (LX, LY) of the first and second conductor patterns (23a-23i) project at the boundary such that, at the boundary, the protruding end portions of the first conductor pattern and the protruding end portions of the second conductor pattern are arranged in alternation at and along the boundary. a first insulating film having light transmissive property; a plurality of conductor patterns (23a-23i); at least one light-emitting element connected to any two of the plurality of conductor patterns (23a-23i) and emitting light from both upper and lower surfaces; and a resin layer having light transmissive property, the resin layer holds the light-emitting element to the first insulating film, wherein: each of the conductor patterns (23a-23i) includes: a plurality of first line patterns formed on the first insulating film, the first line patterns being parallel to one another; and a plurality of second line patterns formed on the first insulating film arranged apart from the first line patterns and intersecting with the first line patterns, the second line patterns being parallel to one another, wherein a first conductor pattern of the plurality of conductor patterns (23a-23i) and a second conductor pattern of the plurality of conductor patterns (23a-23i) are arranged adjacent to each other and forming a boundary between the first and second conductor pattern (23a, 23b) such that end portions of the first and second line patterns (LX, LY) of the first and second conductor patterns (23a-23i) project at the boundary such that, at the boundary, the protruding end portions of the first conductor pattern and the protruding end portions of the second conductor pattern are arranged in alternation at and along the boundary. each of the conductor patterns (23a-23i) includes: a plurality of first line patterns formed on the first insulating film, the first line patterns being parallel to one another; and a plurality of second line patterns formed on the first insulating film arranged apart from the first line patterns and intersecting with the first line patterns, the second line patterns being parallel to one another, wherein a plurality of first line patterns formed on the first insulating film, the first line patterns being parallel to one another; and a plurality of second line patterns formed on the first insulating film arranged apart from the first line patterns and intersecting with the first line patterns, the second line patterns being parallel to one another, wherein a first conductor pattern of the plurality of conductor patterns (23a-23i) and a second conductor pattern of the plurality of conductor patterns (23a-23i) are arranged adjacent to each other and forming a boundary between the first and second conductor pattern (23a, 23b) such that end portions of the first and second line patterns (LX, LY) of the first and second conductor patterns (23a-23i) project at the boundary such that, at the boundary, the protruding end portions of the first conductor pattern and the protruding end portions of the second conductor pattern are arranged in alternation at and along the boundary.