Computer system and method for saving energy of screen thereof

Abstract

The invention discloses a method for saving the energy of a screen of a computer system. The computer system comprises a host, a screen and an input device. The screen displays picture data with one bit stage in multilevel display brightness bit stage. The energy-saving method comprises the steps: the host uses a timer to accumulate a first interval time when the input device is positioned under the signal stopping inputting state; the screen reduces at least one stage from the display brightness bit stage to display the picture data and accumulate a second interval time with the timer when the first interval time exceeds a first preset time; and the screen further reduces at least one stage from the current display brightness bit stage to display the picture data.

Description

technical field [0001] The invention relates to a computer system energy-saving method, in particular to a computer system screen energy-saving method. Background technique [0002] With the advancement of technology, computers have become an important electronic product in people's lives. Whether it is work or leisure, more and more people choose to use computers as their main tool. [0003] Due to the greenhouse effect and energy crisis in today's society, how to save energy and reduce carbon has become an important issue. A computer system usually includes a host, a screen and an input device, and the screen consumes most of the power of the computer system during operation. In addition, the production technology of large-size screens is becoming more and more mature, and the price is also reduced, so how to design energy-saving screens is becoming more and more important. [0004] Taking the popular Microsoft Windows operating system as an example, users can configure t...

AI Technical Summary

Problems solved by technology

[0009] Compared with the above method of directly turning off the display, this computer system 100 can implement another screen power saving mode when the user stops operating for a short time, but the screen 12 must prepare a detection module 121 and a second timer 122, In addition to increasing the complexity and cost of the screen 12, if the user wants to use this computer system 100, he cannot use a screen that generally does not have the second timer 122, which is very inconvenient

[0010] In addition, when the first timer 112 counts up to the first preset time period and interrupts any one of the horizontal synchronous signal S3 and the vertical synchronous signal S4, the display screen of the screen 12 will produce a skipping phenomenon. If the computer is not used for a long time, this power saving method will prevent the user from viewing the display screen clearly

[0011] To sum up the above, the existing computer system screen energy-saving method is only for the user to set the upper limit of the idle time for turning off the screen power, and to directly turn off the screen power when the idle time reaches the upper limit, so the user can save energy in a short time. When the operation is stopped, a large amount of power of the system will still be consumed, and if the user is still viewing the information in front of the screen, he will feel uncomfortable because the picture suddenly disappears; and the computer system described in the '874 patent must be prepared with a second timer screen, so it is very inconvenient for the user, and the way to enter the first power saving mode is to detect whether any one of the horizontal synchronization signal and the vertical synchronization signal is interrupted, when any one of the horizontal synchronization signal and the vertical synchronization signal When interrupted, it will cause the display screen to jump, causing the user to be unable to clearly view the display screen

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