A display device comprising: a display; a light source configured to emit light towards the display; a housing accommodating the light source, supporting the display at the peripheral portion of the display, and including a bottom portion that has a first holding portion, and a side wall that extends towards the display from an outer peripheral edge of the bottom portion, the first holding portion including a hole; optical sheets disposed within a space formed between the display and the housing; a support component supporting the optical sheets, and being held by the first holding portion, the support component including a translucent main body portion that extends towards the optical sheets and contacts the optical sheets, a protruding portion that protrudes outward from the bottom part of the main body portion in direction parallel to the optical sheets, and a second holding portion that is provided to the protruding portion and is held by the first holding portion, the second holding portion being a pair of engaging protrusions provided on both sides of the main body portion as seen in the direction perpendicular to the display; and a reflector disposed within the space formed between the housing and the main body portion, and configured to reflect the light from the light source, the light reflected by the reflector being infiltrated inside the main body portion and going outside the support component from a distal end part of the main body portion contacting the optical sheets to the optical sheets, wherein the second holding portion is engaged in the hole formed in the first holding portion, which allows the support component to be attached to the housing, and a connected portion between the second holding portion and the protruding portion is disposed so as not to overlap the main body portion as seen in a direction perpendicular to the display, characterized in that the first holding portion is protruding from the bottom portion toward the display, and the engaging protrusions protrude parallel to the optical sheets from the protruding portion of the support component. a display; a light source configured to emit light towards the display; a housing accommodating the light source, supporting the display at the peripheral portion of the display, and including a bottom portion that has a first holding portion, and a side wall that extends towards the display from an outer peripheral edge of the bottom portion, the first holding portion including a hole; optical sheets disposed within a space formed between the display and the housing; a support component supporting the optical sheets, and being held by the first holding portion, the support component including a translucent main body portion that extends towards the optical sheets and contacts the optical sheets, a protruding portion that protrudes outward from the bottom part of the main body portion in direction parallel to the optical sheets, and a second holding portion that is provided to the protruding portion and is held by the first holding portion, the second holding portion being a pair of engaging protrusions provided on both sides of the main body portion as seen in the direction perpendicular to the display; and a translucent main body portion that extends towards the optical sheets and contacts the optical sheets, a protruding portion that protrudes outward from the bottom part of the main body portion in direction parallel to the optical sheets, and a second holding portion that is provided to the protruding portion and is held by the first holding portion, the second holding portion being a pair of engaging protrusions provided on both sides of the main body portion as seen in the direction perpendicular to the display; and a reflector disposed within the space formed between the housing and the main body portion, and configured to reflect the light from the light source, the light reflected by the reflector being infiltrated inside the main body portion and going outside the support component from a distal end part of the main body portion contacting the optical sheets to the optical sheets, wherein the second holding portion is engaged in the hole formed in the first holding portion, which allows the support component to be attached to the housing, and a connected portion between the second holding portion and the protruding portion is disposed so as not to overlap the main body portion as seen in a direction perpendicular to the display, characterized in that the first holding portion is protruding from the bottom portion toward the display, and the engaging protrusions protrude parallel to the optical sheets from the protruding portion of the support component.