FIELD: physics, optics.
SUBSTANCE: invention relates to display devices, particularly to devices for providing colour separation in exit pupil expanders, and can be used in mobile telephones, communicators, pocket computers and other devices. The device for providing colour separation includes multiple diffraction elements for expanding the exit pupil of a display in an electronic display device.
EFFECT: larger exit pupil.
24 cl, 11 dwg
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Authors
Dates
2011-01-27—Published
2006-06-02—Filed