A display device comprising: a container comprising a bottom plate; a lamp disposed in the container, wherein the lamp extends in a first direction and comprises an electrode; a circuit board disposed in the container wherein the circuit board and the lamp are positioned on a same side of the bottom plate of the container; and wherein the circuit board is positioned such that a major plane thereof is perpendicular to the bottom plate of the container, and the first direction in which the lamp extends is perpendicular to the major plane of the circuit board; and a display panel positioned to receive light from the lamp for displaying images; a socket terminal connected to the lamp and the circuit board; wherein the socket terminal is mounted on the bottom plate and comprises a housing and a conductive terminal; and wherein the housing includes a housing socket part for the insertion of the lamp and a housing fixing part having a space therein; wherein the circuit board comprises a protruding edge with a contact terminal, set to be inserted into the space of the housing fixing part; wherein the conductive terminal is a separate element set to be inserted into the housing through an opening at a bottom surface thereof; wherein the conductive terminal comprises a conductive socket part, set to be inserted into the housing socket part for an electrical connection to the electrode of the lamp, and wherein the conductive terminal further comprises a conductive fixing part, set to be inserted into the space of the housing fixing part and set to be electrically connected to the contact terminal on the protruding edge of the circuit board. a container comprising a bottom plate; a lamp disposed in the container, wherein the lamp extends in a first direction and comprises an electrode; a circuit board disposed in the container wherein the circuit board and the lamp are positioned on a same side of the bottom plate of the container; and wherein the circuit board is positioned such that a major plane thereof is perpendicular to the bottom plate of the container, and the first direction in which the lamp extends is perpendicular to the major plane of the circuit board; and a display panel positioned to receive light from the lamp for displaying images; a socket terminal connected to the lamp and the circuit board; wherein the socket terminal is mounted on the bottom plate and comprises a housing and a conductive terminal; and wherein the housing includes a housing socket part for the insertion of the lamp and a housing fixing part having a space therein; wherein the circuit board comprises a protruding edge with a contact terminal, set to be inserted into the space of the housing fixing part; wherein the conductive terminal is a separate element set to be inserted into the housing through an opening at a bottom surface thereof; wherein the conductive terminal comprises a conductive socket part, set to be inserted into the housing socket part for an electrical connection to the electrode of the lamp, and wherein the conductive terminal further comprises a conductive fixing part, set to be inserted into the space of the housing fixing part and set to be electrically connected to the contact terminal on the protruding edge of the circuit board.