DOCUMENT DISPLAY APPARATUS AND METHOD OF DISPLAYING DOCUMENT

摘要

PURPOSE: A document display device and a method thereof are provided to maintain a page changing speed irrelevant to the configure content of a document by using an image caching. CONSTITUTION: An image processing unit(110) displays a document including a plurality of pages. A memory unit(120) stores a unit configure elements configuring the document and an image data which configures an individual unit configuring elements. A control unit(130) generates an image data corresponding to the page, which is being predicted to be converted among the pages, and stores the image data to a memory unit. If a page change is requested by a user, the control unit displays an image data corresponding to the requested page among the stored image data to the image processing unit.