Patent ID: 8339290

Claim:
A portable electronic device including a plurality of function modes, the portable device comprising: an opaque key portion only allowing specific light to pass through; a pattern template layer provided under the opaque key portion, wherein a plurality of openings are formed on the pattern template layer, and the openings form a plurality of groups of operating patterns corresponding to the function modes; a plurality of light emitting portions provided under the pattern template layer and corresponding to each group of the operating patterns, respectively, wherein when the light emitting portion corresponding to the group of the operating patterns is brightened, the opaque key portion shows the group of operating patterns corresponding to the function mode; a key matrix layer; a circuit board, wherein the key matrix layer and the light emitting portions are disposed on a surface of the circuit board, and a light-permeable pressing layer, wherein the light emitting portions are covered by the light-permeable pressing layer, and a space is formed between the light-permeable pressing layer and the light emitting portions.