Abstract: A keyboard includes a main body formed with a receiving recess, a transparent panel mounted on the main body and having formed with a plurality of openings, and a lamp seat mounted in the receiving recess and provided with a plurality of indication lamps each partially inserted into a respective one of the openings. Thus, the corners of each of the openings have different angles, so that the light beams emitted from each of the indication lamps have different angles by refraction of the corners of the respective opening of the transparent panel to produce a diffusion effect of different angles on the transparent panel, thereby enhancing the aesthetic quality of the keyboard.

Abstract: A computer monitor screen has a screen lens, a connection seat having an upper rack and a lower groove, a pair of hanging mounts, and a plurality of fastening devices. The screen lens has a plurality of through holes. The connection seat further has a plurality of through apertures to match the through holes of the screen lens. Each of the hanging mounts has a slide slot to receive the upper rack. The screen lens is inserted in the lower groove of the connection seat. Each of the fastening devices passes through the corresponding through aperture of the connection seat and the corresponding through hole of the screen lens to fasten the connection seat and the screen lens.

Abstract: A foldable screen protector for use on a computer monitor of various kinds has a fixing frame, a foldable top cover, and foldable left and right plates, thereof the fixing frame is adapted and secured to the screen of different types of computer monitors even to that of a notebook computer to provide the screen with protections against reflection of sunlight and oversight of others from outside; and by use of protruded tracks intersecting across the surface of the foldable top cover to reduce the amount of friction and a torsion spring, the foldable top cover and the foldable left and right plates can be folded and unfolded easily. When not in use, the foldable top cover can be folded up and lodged to the fixing frame as a protector to the screen.