Patent ID: 7325937

Claim:
A lighting device for a display device comprising: a light source; a casing having a back plate part, and accommodating said light source; and a light source holding element that is mounted to said back plate part of said casing and holds said light source; wherein the light source holding element includes: a base part extending along the back plate part of said casing; a pair of elastic pieces which are arranged to protrude at the base part and hold said light source; an engaging part which is arranged to protrude at said base part on a side opposite from said elastic pieces, penetrates through an engaging part insertion hole formed in the back plate part of said casing and engages with said back plate part; and a locking piece which is arranged to protrude at said base part on a side opposite from said elastic pieces, penetrates through a locking piece insertion hole formed in the back plate part of said casing, sandwiches said back plate part with said base part on a back side of the back plate part and is locked; wherein said locking piece insertion hole is larger than said locking piece, and clearances are provided between opening edge portions of the locking piece insertion hole and said locking piece.