Patent ID: 7474535

Claim:
A replaceable liquid crystal display back plate for a portable computer, comprising: a back plate forming part of a housing of a liquid crystal display of the portable computer and being provided on an outer surface with a flat area, the flat area having a pair of outer edges provided at two opposed laterally outer sides of the flat area on the back plate of the liquid crystal display, and a plurality of notches formed on the outer edges; a replaceable cover plate adapted to cover the flat area on the back plate; and a guide mechanism for guiding the replaceable cover plate manually slid into and cover on the flat area of the back plate, the guide mechanism comprising a plurality of L-shaped tabs provided at two laterally inner sides of the replaceable cover plate corresponding to the outer edges formed on the flat area of the back plate; whereby when the replaceable cover plate is vertically downward set in the flat area on the back plate, the L-shaped tabs of the replaceable cover plate pass the notches of the back plate and then the replaceable cover plate is horizontally slid along the outer edges, so that the replaceable cover plate covers on the flat area of the back plate.