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A system and method for realizing split-screen display

A split-screen display and display technology, applied in the computer field, can solve problems such as the inability to guarantee the independence of the display area, and achieve the effects of reducing implementation costs, ensuring independence, and high versatility

Inactive Publication Date: 2011-12-14
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the display screens are distinguished from the application layer, multiple screens can only display different content of the same current application, and the independence of each display area cannot be guaranteed.

Method used

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  • A system and method for realizing split-screen display
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  • A system and method for realizing split-screen display

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] The present invention logically divides a display screen into N display areas, and correspondingly divides the video memory into N video memory areas, each video memory area corresponds to a display area, and buffers the data to be displayed in the corresponding display area. At the same time, there are N display drivers, and each display driver corresponds to a video memory area. Each display driver provides an operation interface to the upper layer for the upper layer APP to call, that is, when the display driver is called by the APP, it obtains the data of the APP and writes or Update to the corresponding video memory area. The above-mentioned N is an integer of 2 or more.

[0041] The display screen described in the embodiment of the p...

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Abstract

The present invention provides a system and method for realizing split-screen display. The display screen is logically divided into N display areas. The system includes: a display controller, video memory and N display drivers, wherein the video memory contains N Each display driver corresponds to a display area respectively, and each display area corresponds to a display area respectively, and the N is an integer more than 2; when the display driver is called by an upper-level application program (APP), obtain the described The data of the APP is written or updated to the corresponding video memory area; the video memory area buffers the data to be displayed in the corresponding display area; the display controller reads the data of each video memory area and transmits it to the corresponding display area of ​​each video memory area . The present invention realizes split-screen display on the same display screen, without customizing the display screen, and ensures the independence of each display area.

Description

【Technical field】 [0001] The invention relates to the field of computer technology, in particular to a system and method for realizing split-screen display. 【Background technique】 [0002] For a long time, embedded devices have been monopolized by the system as a display device because of their low display resolution and small screen size, and can only be displayed as a screen. With the development of embedded technology, the display resolution of embedded devices is getting higher and higher, and the screen size is getting larger and larger. There are more and more demands for split-screen display on the screen. It is hoped that one display screen can be divided into multiple Part of the display area is used by the operating system, and part of the display area is used to display content such as advertisements, virtual keyboards, or prompt information. [0003] Existing methods for realizing split-screen display mainly include the following two methods: [0004] First, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/14G09G5/14
Inventor 李新征谢美伦
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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