PORTABLE ELECTRONIC DEVICE AND ILLUMINATION CONTROLLING METHOD THEREOF
First Claim
1. A portable display device, comprising:
- a display formed with electronic paper, the electronic paper being configured to display data in response to applied electrical current, and to maintain displaying of the data in an absence of the applied electrical current;
an illuminating unit configured to selectively illuminate each particular region of a plurality of regions of the display, the illuminating unit comprising a plurality of light sources which are individually associated with one or more of the plurality of regions of the display; and
a controller configured to activate the illuminating unit, selectively activating a first group of the plurality of light sources to illuminate a particular region of the display responsive to user contact, wherein the first group comprises at least one of the plurality of light sources.
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Accused Products
Abstract
A portable display device includes a display formed with electronic paper, an illuminating unit, and a controller. The electronic paper displays data in response to applied electrical current, and maintains displaying of the data in an absence of the applied electrical current. The illuminating unit selectively illuminates each particular region of a plurality of regions of the display and includes a plurality of light sources which are individually associated with one or more of the plurality of regions of the display. The controller activates the illuminating unit, selectively activating a first group of the plurality of light sources to illuminate a particular region of the display responsive to user contact, and the first group includes at least one of the plurality of light sources.
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Citations
20 Claims
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1. A portable display device, comprising:
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a display formed with electronic paper, the electronic paper being configured to display data in response to applied electrical current, and to maintain displaying of the data in an absence of the applied electrical current; an illuminating unit configured to selectively illuminate each particular region of a plurality of regions of the display, the illuminating unit comprising a plurality of light sources which are individually associated with one or more of the plurality of regions of the display; and a controller configured to activate the illuminating unit, selectively activating a first group of the plurality of light sources to illuminate a particular region of the display responsive to user contact, wherein the first group comprises at least one of the plurality of light sources. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A portable device comprising:
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a display comprising a plurality of display areas; a touch sensor positioned proximate to the display and configured to detect user contact relative to each of the plurality of display areas; an illuminating unit configured to selectively illuminate each particular display area of the plurality of display areas, the illuminating unit comprising a plurality of light sources which are individually associated with one or more of the plurality display areas; and a controller configured to activate the illuminating unit, selectively activating one or more of the plurality of light sources to illuminate a particular display area of the display responsive to the user contact, wherein the particular display area of the plurality of display areas that is illuminated corresponds to which display area of the plurality of display areas the user contact is detected via the touch sensor.
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Specification