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US 9,176,272 B2Granted
Backlight keyboard and structure thereof
AssigneesDarfon Electronics (Suzhou) Co., Ltd., Darfon Electronics Corp.
InventorChing-Yu Wang
Life of this patent
Estimating the term…
Abstract
A backlight keyboard structure includes a light guide plate, a base plate and a keyboard frame. The keyboard frame comprising a fixing portion. The base plate is adjacent to one side of the light guide plate and disposed between the keyboard frame and the light guide plate. The base plate has a through hole corresponding to the fixing portion. The base plate has an indentation portion surrounding the through hole and disposed between the light guide plate and the through hole for shielding.
Claims13
A backlight keyboard structure comprising:
- a light guide plate comprising an opening portion, and the light guide plate guiding a light;
- a keyboard frame comprising a fixing portion;
- and
- a base plate adjacent to the light guide plate and disposed between the keyboard frame and the light guide plate, the base plate having a through hole and an indentation portion surrounding the through hole;
- wherein the opening portion, the through hole and the fixing portion are disposed correspondingly, the indentation portion extends toward the opening portion of the light guide plate, so that the indentation portion shields the light emitted from the light guide plate and reduces the light entering the through hole.
2 more elements
A backlight keyboard comprising:
- a keyboard casing;
- a backlight keyboard structure comprising:
- a light guide plate comprising an opening portion, and the light guide plate guiding a light;
- a keyboard frame comprising a fixing portion;
- and
- a base plate adjacent to one side of the light guide plate and disposed between the keyboard frame and the light guide plate, the base plate having a through hole and an indentation portion surrounding the through hole;
- wherein the opening portion, the through hole and the fixing portion are disposed correspondingly, the indentation portion extends toward the opening portion of the light guide plate, so that the indentation portion shields the light emitted from the light guide plate and reduces the light entering the through hole, and the fixing portion passes through the through hole to connect to the keyboard casing;
- and
- a light source adjacent to the light guide plate, the light source emitting the light into the light guide plate.
6 more elements
Dependencies are inferred from the claim text.