Apparatus and method for controlling power of a liquid crystal display in a mobile communication terminal
First Claim
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1. A method for controlling powers of a first liquid crystal display (LCD) and a second LCD in a dual LCD mobile communication terminal, the first LCD and the second LCD sharing at least one bus with each other, the method comprising the steps of:
- driving a timer that is periodically terminated when a power of the first LCD is off;
supplying power to the first LCD for a predetermined time when the timer is terminated; and
updating information displayed on the second LCD while the power is being supplied to the first LCD.
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Abstract
An apparatus and method for controlling powers of a main LCD and a sub LCD in a dual LCD mobile communication terminal. When the main LCD and the sub LCD share buses with each other, power is periodically supplied to the main LCD, which is powered off, in order to update the sub LCD. Accordingly, complexity of a folder due to the use of buffer can be solved. Further, when an LDI is used, unnecessary power consumption can be prevented.
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Citations
8 Claims
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1. A method for controlling powers of a first liquid crystal display (LCD) and a second LCD in a dual LCD mobile communication terminal, the first LCD and the second LCD sharing at least one bus with each other, the method comprising the steps of:
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driving a timer that is periodically terminated when a power of the first LCD is off;
supplying power to the first LCD for a predetermined time when the timer is terminated; and
updating information displayed on the second LCD while the power is being supplied to the first LCD. - View Dependent Claims (2, 3)
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4. An apparatus for controlling power in a dual liquid crystal display (LCD) mobile communication terminal, the apparatus comprising:
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a first LCD;
a timer that is periodically terminated when the first LCD is powered off;
a controller for supplying a power to the first LCD for a predetermined time when the timer is terminated; and
a second LCD that shares at least one bus with the first LCD for receiving updated information while the power is supplied to the first LCD. - View Dependent Claims (5, 6, 7, 8)
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Specification