Display
A display and display device technology, applied in static indicators, instruments, electric solid devices, etc., can solve the problems of difficulty, non-switching of liquid crystal cells, failure or damage of moving parts, etc.
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[0088] Fig. 1a shows a display comprising a transmissive display device 1, which may be a conventional type of display device and does not require any changes in order to provide a display with a wide field of view and a narrow field of view mode. For example, display device 1 may be a thin film transistor (TFT) liquid crystal panel that provides a pixelated full-color or monochrome display in response to image data supplied to the display.
[0089] The display also contains a backlight 2 which emits light with reasonable intensity uniformity over a relatively wide angular distribution as shown in 3. The backlight 2 may also be of the conventional type employed in known displays.
[0090] The display comprises one or more additional components 4 arranged in the light path from the backlight 2 to the display device 1 . The or each additional component comprises a liquid crystal device having one or more liquid crystal layers and one or more polarizers. The or each part 4 prov...
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