Liquid crystal reflective display apparatus

Claim 1

Electro-optical display apparatus comprising: first and second coplanar optically transparent electrode means for forming an electric field between the coplanar electrodes; first optically transparent plate means having first inner surface means, said first and second coplanar optically transparent electrode means supported on said first transparent plate in spaced substantially parallel cooperative relation, optical circular polarization means spaced in substantially parallel relation with respect to the external surface means of said first optically transparent plate means, second optically transparent plate means having second inner surface means, mesa spacer means formed integrally with said second inner surface means for spacing said first inner surface means therefrom at a substantially constant predetermined distance, electric field sensitive optically active means disposed between said first and second surface means for controlling the degree of optical transmission of said electro-optical display apparatus in accordance with the value of said electric field, wall means for completing the enclosure of said electric field sensitive means sealed in hermetic relation at the peripheries of said first and second optically transparent plate means, diffuse reflector means permanently affixed to the external surface of said second optically transparent plate means, and said second optically transparent plate means bearing said diffuse reflector means being substantially thinner than the first of said optically transparent plate means so that said reflector means is relatively close to said coplanar electrode means for the purpose of substantially reducing parallax over a wide field of view.