About cookies on this site Our websites require some cookies to function properly (required). In addition, other cookies may be used with your consent to analyze site usage, improve the user experience and for advertising. For more information, please review your options. By visiting our website, you agree to our processing of information as described in IBM’sprivacy statement. To provide a smooth navigation, your cookie preferences will be shared across the IBM web domains listed here.
Publication
LEOS 1998
Conference paper
Merging of liquid crystal electrooptics with silicon CMOS technology to enable high information content, large screen displays
Abstract
A display concept which combines liquid crystal (LC) electrooptics and Si CMOS technology with a reflective optical projection system is presented. A 45 degree twisted nematic LC is used. An applied voltage alters the equilibrium configuration of the nematic molecules and their electrooptic interaction with light. The mode operates in optical reflection such that incident polarized light undergoes a voltage-dependent change in its polarization state on passing through the LC, reflecting from a mirror, and passing again through the LC on exiting the cell. The polarization state of the reflected light is analyzed, the incident and reflected light are separated, and the reflected image is optically magnified to the desired viewing size.