ELECTRONIC DEVICE AND ELECTRONIC SYSTEM
First Claim
Patent Images
1. A display device comprising:
- a display panel including a photosensor configured to detect touch input performed on a display screen, in a pixel portion;
a display control circuit configured to display an operation button on part of the display screen in accordance with a detection by the photosensor; and
a storage medium configured to store a program for controlling power supplied to a still-image area of the displayed operation button.
1 Assignment
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Accused Products
Abstract
To provide a display device in which a moving-image mode and a still-image mode which consumes less power can be switched on one screen automatically or by operation by a user on one display screen. The display device includes a display panel including a photosensor for detecting touch input by a user; a display control circuit for displaying a keyboard on part of the display screen; and a storage medium storing a program (an application program) for controlling power supplied to a still-image area of the displayed keyboard. The program for controlling power supplied to the still-image area enables power saving.
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Citations
13 Claims
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1. A display device comprising:
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a display panel including a photosensor configured to detect touch input performed on a display screen, in a pixel portion; a display control circuit configured to display an operation button on part of the display screen in accordance with a detection by the photosensor; and a storage medium configured to store a program for controlling power supplied to a still-image area of the displayed operation button. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A display device comprising:
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a display panel including a photosensor configured to detect a shadow casted on a display screen without touch, in a pixel portion; a display control circuit configured to display an operation button on part of the display screen in accordance with a detection by the photosensor; and a storage medium configured to store a program for controlling power supplied to a still-image area of the displayed operation button. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification