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US 10,190,743 B2Granted
Illumination systems for reflective displays
AssigneeE Ink Corporation
InventorsDirk Hertel, Richard J. Paolini, Benjamin Harris Paletsky, Stephen J. Telfer, Sunil Krishna Sainis, David Paul Biss, Stephen Dennis Fantone
Life of this patent
Estimating the term…
Abstract
A display device (30) comprises a reflective display (38) arranged to render a first image viewable through a viewing surface and a projection means (31-37) arranged to render a second image viewable in reflection on the viewing surface, the reflective display (38) and the projection means (31-37) being mounted on a common frame.
Claims14
A display device comprising:
- a processing unit configured to separate stored image information for a multi-color image consisting of a chromatic component and an achromatic component and convert the chromatic component into a first set of image signals and the achromatic component into a second set of image signals;
- a first controller configured to receive the first set of image signals;
- a reflective display controlled by the first controller and configured iv to display the achromatic component of the multi-color image;
- a second controller configured to receive the second set of image signals;
- and
- a projector controlled by the second controller and configured to project an image consisting of the chromatic component onto the reflective display to render the multi-color image.
3 more elements
Dependencies are inferred from the claim text.