Bistable device for reflection display with inverse contrast
A reflective, bistable display technology used in static indicators, nonlinear optics, instruments, etc.
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[0059] For other reflective displays, the bistable device can be made in various configurations, with one or two polarizers, one or two compensation plates, etc. In the present invention, the device has a single polarizer disposed in the optical path on the front surface of the device. This structure has the important advantage of maximizing brightness, since it minimizes light loss due to the possible presence of a second polarizer.
[0060] Such as image 3 As shown, the device of the present invention includes a device disposed between two substrates 30, 50 with a thickness of d A liquid crystal layer 40, preferably nematic liquid crystal; a polarizer 10 on the front surface; a mirror 60 on the back surface of the liquid crystal 40; and a compensation plate 20.
[0061] The compensation plate 20 is disposed between the polarizer 10 and the mirror 60 . exist image 3 In the particular embodiment shown, the compensation plate 20 is positioned in front of the front substra...
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