A wavelength conversion member, comprising: a first wavelength converter extending in a first direction and comprising a first wavelength converting material; a second wavelength converter extending in the first direction and comprising a second wavelength converting material different from the first wavelength converting material; a first container member extending in the first direction and providing a space for accommodating the first wavelength converter; and a second container member extending in the first direction and providing a space for accommodating the second wavelength converter, wherein each of the first container member and the second container member has a first side and a second side, wherein the second container member is adjacent to the first container member in a second direction, crossing the first direction, the first side of the first container member and the second side of the second container member facing each other and together forming a contact surface between the first container member and the second container member, and the first container member and the second container member are at least partially fusion-bonded to each othe1 in a junction region wherein the contact surface between the first container member and the second container member comprises: a first portion where there is a physical boundary between the first container member and the second container member; a second portion which is the junction region and where there is substantially no physical boundary between the first container member and the second container member; and a third portion overlapping the first wavelength converter, and wherein the first portion, the second portion, and the third portion are aligned along a third direction, crossing the first and second directions (X, Y), and a part of the first portion is located between the second portion and the third portion. a first wavelength converter extending in a first direction and comprising a first wavelength converting material; a second wavelength converter extending in the first direction and comprising a second wavelength converting material different from the first wavelength converting material; a first container member extending in the first direction and providing a space for accommodating the first wavelength converter; and a second container member extending in the first direction and providing a space for accommodating the second wavelength converter, wherein each of the first container member and the second container member has a first side and a second side, wherein the second container member is adjacent to the first container member in a second direction, crossing the first direction, the first side of the first container member and the second side of the second container member facing each other and together forming a contact surface between the first container member and the second container member, and the first container member and the second container member are at least partially fusion-bonded to each othe1 in a junction region wherein the contact surface between the first container member and the second container member comprises: a first portion where there is a physical boundary between the first container member and the second container member; a second portion which is the junction region and where there is substantially no physical boundary between the first container member and the second container member; and a third portion overlapping the first wavelength converter, and a first portion where there is a physical boundary between the first container member and the second container member; a second portion which is the junction region and where there is substantially no physical boundary between the first container member and the second container member; and a third portion overlapping the first wavelength converter, and wherein the first portion, the second portion, and the third portion are aligned along a third direction, crossing the first and second directions (X, Y), and a part of the first portion is located between the second portion and the third portion.