Reflective type liquid crystal display with scattering polarizer
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsMasaya Mizunuma, Akira Tsumura, Kyoichiro Oda
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Abstract
A reflective type liquid crystal display providing brighter display than a conventional device and usable in a dark place is provided. The reflective type liquid crystal display includes liquid crystal and a scattering-polarizer as a main optical element which transmits a polarized light component in one direction to the backside of the liquid crystal and reflects with scattering a polarized light component orthogonal to that one direction in the opposite direction to the advancing direction of the light.
Claims6
A reflective type liquid crystal display allowing light coming in from a front side of a liquid crystal display and passing through a liquid crystal layer to be reflected from a scattering polarizer positioned at a rear side of the liquid crystal layer and transmitted back through the liquid crystal layer to the front side, comprising;
- said scattering-polarizer disposed only at the rear side of the liquid crystal layer to transmit a first light component polarized in a first direction and to reflect and scatter a second light component polarized in a second direction orthogonal to the first direction,
- wherein a front side region of the liquid crystal layer is devoid of any polarizer, and
- wherein the first light component is transmitted in an advancing direction of light through the scattering polarizer at the rear side of the liquid crystal layer and the second light component is reflected and scattered in a direction substantially opposite the advancing direction.
Dependencies are inferred from the claim text.