Patent ID: 7391932
Filing Date: 2008-06-24
Classification: G09G

Abstract:
1. An apparatus for selecting an image to be displayed, comprising: an image size converter for changing the size of a first image signal and outputting the result as a second image signal; a selector for receiving the first and second image signals and selectively outputting one of the first and second image signals in response to a first control signal; a display bus buffer including a Y buffer, a Cb buffer, and a Cr buffer for receiving the image signal output from the selector and buffering a Y image signal, a Cb image signal, and a Cr image signal, which constitute the output image signal, respectively; a display bus for transmitting the image signal to a display device; and a display bus direct memory access (DMA) unit for reading the image signal from the display bus buffer and sending the result to the display bus.