Patent ID: 8727595

Claim:
A backlight structure, comprising: a light guide plate having a light incident side and a light-exiting surface formed on an edge of the light incident side; wherein the light guide plate further comprises a bottom surface opposite to the light-exiting surface; at least one light source module comprising a substrate and at least one light emitting element, wherein the substrate has a support surface facing the light incident side, the light emitting element is disposed on the support surface and emits light to the light incident side; a portion of the bottom surface proximate the light emitting element is an unpatterned region, and at least one optical microstructure is formed on the bottom surface outside the unpatterned region; and a reflective cover having a first reflecting portion and a second reflecting portion connected to each other, wherein the first reflecting portion is disposed between the light source module and the light incident side of the light guide plate, the second reflecting portion extends from the first reflecting portion toward the light guide plate, traverses a border between the light incident side and the light-exiting surface, and covers a part of the light-exiting surface, the first reflecting portion and the second reflecting portion reflect light emitted from the light emitting element to the light guide plate.