Apparatus and method for reducing perceived color shift

Details Apparatus and method for reducing perceived color shift Apparatus and method for reducing perceived color shift

G - Physics

02

F

G02F 1/01 (2006.01) B81B 7/02 (2006.01) G02B 26/00 (2006.01) G02B 26/08 (2006.01) G09F 9/30 (2006.01)

Patent

CA 2519660

An apparatus and method for reducing perceived color shift as a function of viewing angle is disclosed. One embodiment is a display device that includes a color light modulator and a color filter. The filter is configured to filter wavelengths of light that would be perceived as color shifted light when reflected by the modulator at an off axis viewing angle. Another embodiment includes a color light modulator and a color light source configured to provide light having a spectral content that lacks the wavelengths that would be perceived as color shifted light by a view of the display at an off axis viewing angle. Another embodiment are methods of making such display devices.

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