Improvement of Color Uniformity in Tunable Birefringent Display
Original Publication Date: 1980-Jul-01
Included in the Prior Art Database: 2005-Feb-13
A tunable birefringent display device 10 having improved color uniformity contains a liquid crystal hybrid field effect 45 degrees twist cell 12, a retarder plate 14 and polarizers 16A and 16B. White light passes through polarizer 16A and retarder plate 14 into the cell 12 and then is reflected back through retarder plate 14 and polarizer 16B.