| 摘要 |
A backlight module is provided, including a bottom plate, a light source, an edge frame, a diffusing sheet, a diffusing plate and a front frame. The light source is disposed on the bottom plate. The edge frame surrounds the light source and abuts the bottom plate to form a groove. The diffusing sheet includes a front side and a back side, wherein the front side is opposite the back side, and the diffusing sheet is disposed in a light-emitting direction of the light source. The diffusing plate is disposed on the front side of the diffusing sheet. The front frame includes a light-emitting opening, wherein a position groove is formed between the front frame and the edge frame, and the diffusing plate and the diffusing sheet are tightly clipped in the positioning groove. |
| 主权项 |
1. A backlight module, comprising:
a bottom plate; a light source, disposed on the bottom plate, wherein a light-emitting surface of the light source is on a side of the light source back to the bottom plate; an edge frame, surrounding the light source and abutting the bottom plate to form a groove, wherein a stair-shaped supporting portion is formed in the groove on an edge of the edge frame; a diffusing sheet, comprising a front side and a back side, wherein the front side is opposite the back side, an edge of the back side is supported by the stair-shaped supporting portion, and the diffusing sheet is disposed in a light-emitting direction of the light source; a diffusing plate, disposed on the front side of the diffusing sheet, wherein an edge of the diffusing plate partially overlaps the stair-shaped supporting portion; and a front frame, comprising a light-emitting opening, wherein the front frame is fastened to the edge frame, a position groove is formed between the front frame and the stair-shaped supporting portion, the diffusing plate abuts an edge of the front frame, and the diffusing plate and the diffusing sheet are tightly clipped in the positioning groove. |
