Backlight unit and manufacturing method thereof, and liquid crystal display device having the same

摘要

A backlight unit is provided which includes: a light guide plate which guides incident light from a lateral side of the light guide plate toward a liquid crystal display (LCD) panel placed in front of the light guide plate; a light source unit which includes a light source which emits the light and a light source supporting member which supports the light source and is arranged adjacent to the lateral side of the light guide plate; a supporting frame which is arranged in the backlight unit; a quantum dot (QD) bar which is arranged between the lateral side of the light guide plate and the light source and changes a color of the light emitted from the light source; and a QD-bar fastening unit which fastens the QD bar to at least one of the light source supporting member and the supporting frame.

主权项

1. A backlight unit comprising:
a light guide plate which guides incident light from a lateral side of the light guide plate toward a liquid crystal display (LCD) panel placed in front of the light guide plate; a blue light source unit which comprises a blue light source which emits a blue light and a light source supporting member which supports the blue light source and is arranged adjacent to the lateral side of the light guide plate; a supporting frame which is arranged in the backlight unit; a quantum dot (QD) bar which is arranged between the lateral side of the light guide plate and the blue light source, and converts a color of the blue light emitted from the blue light source to a white light; and a QD-bar fastening unit which fastens the QD bar to at least one of the light source supporting member and the supporting frame, wherein the light source supporting member and the supporting frame cannot be moved, wherein the QD-bar fastening unit comprises recessed portions of at least one of the light source supporting member and the supporting frame.