Backlight module
AssigneeChicony Power Technology Co., Ltd.
InventorsHsuan-Wei Ho, Yi-Cheng Chang, Shin Liu
Life of this patent
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Abstract
A backlight module includes a circuit board, a light-emitting unit, a light-reflecting plate, a light guide plate, and a light-shielding sheet. The light-emitting unit is disposed on the circuit board. The light-reflecting plate is disposed above the circuit board. The light guide plate is disposed above the light-reflecting plate and includes a single-key light guide area. The single-key light guide area includes an accommodating hole and a light-blocking structure. The accommodating hole runs through the single-key light guide area and accommodates the light-emitting unit. The light-blocking structure and the light-emitting unit are arranged in a direction. The light-shielding sheet is disposed above the light guide plate.
Claims13
A backlight module, comprising:
- a circuit board;
- a light-emitting unit disposed on the circuit board;
- a light-reflecting plate disposed above the circuit board;
- a light guide plate disposed above the light-reflecting plate and comprising a single-key light guide area, the single-key light guide area comprising:
- an accommodating hole running through the single-key light guide area and accommodating the light-emitting unit;
- and
- a light-blocking structure arranged in a direction with the light-emitting unit;
- and
- a light-shielding sheet disposed above the light guide plate.
Dependencies are inferred from the claim text.