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Multi-mode display device and power-saving method of the same

A technology for a display device and a power-saving method, which is applied to static indicators, cathode ray tube indicators, instruments, etc., and can solve problems such as shortened battery standby time and increased power consumption of the screen

Active Publication Date: 2012-10-17
QUANTA COMPUTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the increase in the brightness of the backlight will also increase the overall power consumption of the screen. For thin and light mobile communication devices that can only be equipped with a small amount of power, the standby time of the battery will be greatly shortened.

Method used

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  • Multi-mode display device and power-saving method of the same
  • Multi-mode display device and power-saving method of the same
  • Multi-mode display device and power-saving method of the same

Examples

Experimental program
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Embodiment Construction

[0020] Please refer to figure 1 . figure 1 This is a block diagram of a multi-mode display device 1 according to an embodiment of the present disclosure. The multi-mode display device 1 includes: a panel module 10 , a backlight module 12 , an ambient light detector 14 , a control module 16 and a driving circuit 18 .

[0021] The multi-mode display device 1 can be installed on various electronic devices (not shown), such as mobile communication devices such as mobile phones, notebook computers, tablet computers, and personal mobile digital assistants, or computer hosts. The panel module 10 is used for displaying data to be displayed by the electronic device thereon. The backlight module 12 is used for providing the backlight light source 11 to the panel module 10 , so that the user can view the content displayed on the panel module 10 through the backlight light source 11 of the backlight module 12 . The driving circuit 18 can control the panel module 10 so that the panel mo...

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Abstract

A power-saving method adapted in a multi-mode display device is provided. The power-saving method comprises the steps as follows. A brightness of an ambient light is detected. When the brightness of the ambient light lies within a transmissive range, the multi-mode display device is operated in a transmissive mode and enables the backlight module of the multi-mode display. When the brightness of the ambient light lies within a transflective range, the multi-mode display device is operated in a transflective mode and the brightness of the backlight module is dynamically adjusted according to a compensation method. When the brightness of the ambient light lies within a reflective range, the multi-mode display device is operated in a reflective mode and turns off the backlight module.

Description

technical field [0001] The present invention relates to a display device, in particular to a multi-mode display device and a power saving method thereof. Background technique [0002] The size of mobile communication devices is shrinking with the advancement of technology. How to reduce the power consumption so that the mobile communication device can be used in a long-term standby mode is a very important issue. [0003] A screen is an indispensable module of a mobile communication device. In general, however, the screen is also the most power-hungry part. In the traditional screen design, in order to allow the user to still see the picture displayed on the screen under different ambient light intensities, the mobile communication device will detect the ambient light intensity and strengthen the screen accordingly when the ambient light becomes stronger. The brightness of the backlight so that it is suitable for viewing by the human eye. However, the increase in backlig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/10
CPCG09G2330/021G09G2300/0456G09G3/3406G09G2360/144G09G5/10
Inventor 洪启铭马志明黄培诚黄俊霖
Owner QUANTA COMPUTER INC
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