Curved lamp manufacturing method, curved lamp, and backlight unit

A curved lamp manufacturing method including a curving process in which a straight glass tube, which was sealed with inside thereof being under reduced pressure, is heated and curved,

• the curving process comprising:
• a first step of holding a predetermined portion of the straight glass tube using a first chuck, and holding one end portion of the straight glass tube using a second chuck in a manner that the second chuck can slide in a longitudinal direction of the straight glass tube;
• and
• a second step of, while heating by a heater a planned curved portion of the straight glass tube, which is positioned between the predetermined portion and the end portion, curving the planned curved portion by moving the second chuck relative to the straight glass tube, wherein
• the end portion is moved in the second step so that a weight of the end portion is applied to the planned curved portion that has been softened by heat of the heater.