| CPC G02F 1/133611 (2013.01) [G02F 1/133603 (2013.01); G02F 1/133606 (2013.01)] | 20 Claims |
|
1. A direct type backlight module comprising:
a circuit board;
a plurality of light-emitting elements, disposed on the circuit board and electrically connected to the circuit board, wherein the light-emitting elements comprise a first light-emitting element and a second light-emitting element;
a light guide component, wherein the light-emitting elements are disposed between the light guide component and the circuit board, there are no other optical elements between the light guide component and the light-emitting elements, the light guide component has a light guiding portion, the light guiding portion is composed of a non-light diffusing material, the light guide component and the light-emitting elements are separated by a distance, and the light guiding portion comprises:
first light guiding portions, wherein the first light guiding portions are respectively aligned to the first light-emitting element and the second light-emitting element; and
a second light guiding portion, wherein the second light guiding portion is located between the first light guiding portions, the first light guiding portions have a first thickness in a first direction, and the second light guiding portion has a second thickness in the first direction, the first direction is substantially perpendicular to the circuit board, the second thickness is smaller than the first thickness, and the second light guiding portion is not aligned to the light-emitting elements; and
at least one optical film, wherein the light guide component is disposed between the at least one optical film and the light-emitting elements.
|