Display device and screen backlight control method

A display device and backlight control technology, applied in the field of screen backlight control and display device, can solve the problems of controlling backlight brightness, shortening battery life, and large backlight power consumption, so as to reduce power consumption, prolong battery life, and improve user The effect of experience

Inactive Publication Date: 2013-04-03
DONGGUAN YULONG COMM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The overall backlight brightness can be adjusted, but only the overall brightness of the backlight panel can be controlled, not by area
When the overall brightness of the backlight panel is relatively high, the power consumption of the backlight is relatively high, especially for large-screen terminals, which will shorten the battery lif...

Method used

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  • Display device and screen backlight control method
  • Display device and screen backlight control method
  • Display device and screen backlight control method

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Embodiment Construction

[0035]In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0036] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0037] figure 1 A schematic diagram of a display device according to an embodiment of the present invention is shown.

[0038] like figure 1 As shown, the display device 100 according to the embodi...

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Abstract

The invention provides a display device and a screen backlight control method. The display device comprises a display screen, a judging unit, and a control unit. The display screen is used for displaying an image composed of frame data. The judging unit is used for judging whether data of a next frame to be displayed is provided with update or not according to the data of a currently displayed frame. When the judgment result from the judging unit confirms the update, the control unit is used for regulating backlight brightness of a display content update area on the display screen and/or backlight brightness of other areas on the display screen. By the display device and the screen backlight control method, the backlight brightness of a corresponding display content update area can be dynamically regulated according to changes of display content, so that backlight brightness control is achieved for local areas, displaying of update content is highlighted and energy conservation is achieved.

Description

technical field [0001] The present invention relates to the technical field of mobile devices, in particular, to a display device and a screen backlight control method. Background technique [0002] At present, most of the display screens used in mobile terminals such as mobile phones and tablet computers are liquid crystal display screens. The display panel and backlight panel are independent, that is, the upper surface displays images or text in units of pixels, and the bottom backlight panel can illuminate the entire display panel. . The overall backlight brightness can be adjusted, but only the overall brightness of the backlight panel can be controlled, not by area. When the overall brightness of the backlight panel is relatively high, the power consumption of the backlight is relatively large, especially for a terminal with a large screen, which will shorten the battery life. As for the organic light-emitting diode display (OLED), its display unit is self-illuminatin...

Claims

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Application Information

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IPC IPC(8): G09G3/34G09G3/32G09G3/3208
Inventor 吴炽强
Owner DONGGUAN YULONG COMM TECH
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