Patent ID: 7900141

Claim:
An electronic terminal having a screen division display function, the terminal comprising: a memory adapted to store at least one document file; and a control unit adapted to select one of the at least one document file, divide a selected page of the selected document file into a plurality of cells having a grid configuration, process an input to select one of the plurality of cells and display the selected one of the plurality of cells in a first area of a screen window and display at least one unselected cell of the plurality of cells adjacent to the selected one of the plurality of cells in a second area of the screen window, wherein the selected one of the plurality of cells and the at least one unselected cell of the plurality of cells are displayed such that the grid configuration of the plurality of cells is converted into a vertical configuration for display, wherein the at least one unselected cell of the plurality of cells is adjacent to the selected one of the plurality of cells in one of a left, right, upper left diagonal and lower right diagonal direction of the grid configuration, wherein the unselected cell to the left of the selected cell is displayed in a closed condition and above the selected cell in the second area of the screen window, wherein the unselected cell to the right of the selected cell is displayed in a closed condition and below the selected cell in the second area of the screen window, wherein the unselected cell diagonally to the upper left of the selected cell is displayed in a closed condition and above the unselected cell to the left of the selected cell in the second area of the screen window, and wherein the unselected cell diagonally to the lower right of the selected cell is displayed in a closed condition and below the unselected cell to the right of the selected cell in the second area of the screen window.