US 6,337,687 B1 · Apparatus for controlling video mode of computer having LCD and method therefor

Abstract

A video mode controlling apparatus and method of a computer having a LCD is provided. The method includes the steps of checking whether or not the video mode to be changed by the mode change controlling information is supported by the video controller, turning the LCD off, changing font and video mode state of the video controller so as to correspond to the mode change controlling information, and turning the LCD on. It is possible to prevent the generation of a whitening phenomenon of a LCD which is liable to occur when the video mode is changed in a computer having the LCD.

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Dependent claims

Claims aren’t available for this document.

Facts

Application

09/309,281Filed 11 May 1999

Granted

8 Jan 2002

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

G09G 3/3611
Using liquid crystals: control of matrices with row and column drivers
G09G 5/391
Control of the bit-mapped memory: resolution modifying circuits, e.g. variable screen formats
G09G 5/395
Control of the bit-mapped memory: arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
G09G 2360/02
Aspects of the architecture of display systems: graphics controller able to handle multiple formats, e.g. input or output formats

Apparatus for controlling video mode of computer having LCD and method therefor

Life of this patent

Abstract

Claims0

Apparatus for controlling video mode of computer having LCD and method therefor

Life of this patent

Abstract

Claims0