PRODUCTION METHOD OF CIRCUIT BOARD FOR LIGHT EMITTING BODY, PRECURSOR OF CIRCUIT BOARD FOR LIGHT EMITTING BODY, CIRCUIT BOARD FOR LIGHT EMITTING BODY, AND LIGHT EMITTING BODY

摘要

A circuit board precursor for light emitting body capable of forming a recess having a bottom face including a part for mounting a light emitting element while reducing the weight and thickness, a circuit board for light emitting body in which a recess is formed, a method for producing the same, and a light emitting body having a board in which a recess is formed. The method for produce a circuit board for light emitting body is characterized by comprising a step for forming, on the surface of a liquid crystal polymer film, a metal circuit pattern having at least a pair of the scheduled electrode parts of the light emitting element each connected with other circuits in the board through a conductive circuit, and a step for forming, at a part including the scheduled electrode parts, a recess having a bottom part where the scheduled electrode parts and the conductive circuit should exist, and a wall face where the conductive circuit should exist.