Patent ID: 6927908

Claim:
A visual display screen arrangement for displaying an image, comprising: image display means having a display area; a translucent cover member arranged to cover the display area and having a first cover member edge, the display area having an edge extending towards but not as far as the said first cover member edge; characterised in that the cover member: (a) has a generally planar portion covering at least a part of the display area and being arranged to pass rays of light substantially without bending such that the majority of the display area as viewed externally of the arrangement and through the said generally planar portion, appears substantially undistorted; (b) has a refracting portion which includes the said first cover member edge, the said refracting portion being arranged to bend only those rays of light emanating from at or adjacent to the edge of the display area, such that the said display area as viewed externally of the arrangement and through the said refracting portion, appears to extend substantially as far as the edge of the cover member; and (c) is formed as a laminar construction: and (d) comprises a lower layer adjacent the display area and formed of a first material, an upper layer formed of a second, different material, and a polarisation/compensation layer sandwiched between the upper and lower layers.