Patent ID: 7517111

Claim:
A computer comprising: a main housing having a surrounding wall formed with a slot therethrough; and a luminous device including an elongated insert plate made of a transparent light conducting material and having an insert portion that is disposed fixedly within said slot in said main housing, and a serrated reflecting portion that is disposed behind said insert portion and that is formed with a plurality of interconnected light-reflecting surfaces, any two adjacent ones of said reflecting surfaces forming an angle therebetween, and a light source for directing light toward said reflecting portion of said insert plate such that light emitted from said light source is diffused by said reflecting surfaces so that said insert portion of said insert plate has a uniform luminescence distribution; wherein said surrounding wall has a front wall portion, said insert plate further having a vertical position-limiting rib portion disposed between said insert portion and said reflecting portion and abutting against an inner surface of said front wall portion of said main housing so as to prevent forward removal of said insert plate from said slot in said main housing.