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US 8,054,526 B2Granted
Electro-optic displays, and color filters for use therein
AssigneeE Ink Corporation
InventorAlain Bouchard
Life of this patent
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Abstract
A color filter array comprises orange, lime and purple sub-pixels, optionally with the addition of white sub-pixels. The color filter array is useful in electro-optic displays, especially reflective electro-optic displays. A method is provided for converting RGB images for use with the new color filter array.
Claims22
A color filter array comprising a plurality of pixels, each of the pixels comprising:
- an orange sub-pixel having a hue within the range of 25 to 65° in the a*b* plane of the La*b* color space;
- a lime sub-pixel having a hue within the range of 145 to 185° in said a*b* plane;
- and
- a purple sub-pixel having a hue within the range of 265 to 305° in said a*b* plane.
1 more element
Dependencies are inferred from the claim text.