Patent ID: 8710382

Claim:
A keypad assembly comprising: a keypad comprising a board and a plurality of supporting portions formed on and protruding from the board, each supporting portion having an end surface configured for being pressed and sidewalls surrounding and connecting to the end surface and the board; and a shading plate comprising a base sheet attaching to and shading the board and a plurality of shading cavities formed on the base sheet, the shading cavities surrounding and shading the corresponding supporting portions while allowing light to pass through the end surface; wherein each shading cavity has a bottom wall, a peripheral wall surrounding the bottom wall and a through hole defined through the bottom wall; the peripheral wall connects the bottom wall with the base sheet, the bottom wall is positioned at a height that is different from the height of the base sheet; the bottom wall surrounds and resists against the sidewalls of the supporting portion and the through hole exposes the corresponding end surface.