Patent ID: 7203058

Claim:
A portable computer comprising: a computer main body; a cover supporting a Liquid Crystal Display (LCD) panel provided on a front surface of the cover; a rotation link provided between the cover and the computer main body for rotatably linking the cover and the computer main body; a connecting member provided on a rear portion of the computer main body for connecting the rotation link; a display hinge provided on a coupling area of a first end of the rotation link and the cover , the display hinge pivotably connecting the cover to the first end of the rotation link; a main body hinge provided on a coupling area of a second end of the rotation link and the connecting member, the main body hinge pivotably connecting the computer main body to the second end of the rotation link; and a lock for locking the display in a closed position in which the cover is folded relative to the computer main body so that a front surface of the cover contacts the computer main body in parallel, or in a tablet operation position in which the cover is folded relative to the computer main body so that a rear surface of the cover contacts the computer main body in parallel, wherein the lock comprises a locking part provided on one of the rotation link and the computer main body, and a holding part provided on the other one of the rotation link and the computer main body and engaging with the locking part.