Avago Technologies Ecbu IP (singapore) Pte. Ltd.

Yew Huat Chow

Choon Guan Ko

Muh Fong Chung

In an embodiment, the invention provides a keypad assembly comprising a keypad, a light guide sheet, a dome sheet, and a board. The keypad comprises at least one protrusion and at least one rib. The light guide sheet has openings that are smaller than a first portion of the at least one protrusion. The dome sheet and the board have openings that are larger than a first portion of the at least one protrusion. The at least one protrusion is compressible such that the first portion of the at least one protrusion is extendable through the openings in the light guide sheet, the dome sheet and the board. The at least one rib physically contacts at least a portion of the light guide sheet.

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Bukit Mertajam, Malaysia

Yew Huat Chow