公开(公告)号：WO1997013360A1

公开(公告)日：1997-04-10

申请号：PCT/JP1996002875

申请日：1996-10-02

Applicant: MATSUSHITA ELECTRONICS CORPORATION ,  TERAOKA, Koji ,  EMOTO, Fumiaki ,  KAWASHIMA, Hideya

Inventor： MATSUSHITA ELECTRONICS CORPORATION

IPC: H04N05/66

CPC classification number: H04N5/66 ,  H04N3/233 ,  H04N7/0122

Abstract: A method for driving a matrix video display by which a distortion-free picture is displayed according to video signals having an arbitrary aspect ratio. On the screen (7) of a first aspect ratio of the display, a first video display area (8) of a second aspect ratio where a picture is displayed according to video signals having the second aspect ratio and a second video display area (9) which is the other area than the first area (8) of the first aspect ratio are provided. The second area (9) is used for black display. Such timing of the vertical and horizontal clock signals N, Q that the aspect ratio of the first area (8) is equal to that of video signals H is adopted. The vertical scanning of the display (4) is such that the vertical scanning frequency of the second area (9) is higher than that of the first area (8). The horizontal scanning of the device (4) is such that the horizontal scanning frequency of the second area (9) is higher than that of the first area (8).

Abstract translation: 一种用于驱动矩阵视频显示的方法，通过该矩阵视频显示根据具有任意宽高比的视频信号显示无失真图像。 在显示器的第一宽高比的屏幕（7）上，根据具有第二宽高比的视频信号和第二视频显示区域（9），显示第二宽高比的第一视频显示区域（8），其中显示图像 ）是第一宽高比的第一区域（8）的另一区域。 第二区（9）用于黑色显示。 采用垂直和水平时钟信号N，Q的定时，第一区域（8）的宽高比等于视频信号H的宽高比。 显示器（4）的垂直扫描使得第二区域（9）的垂直扫描频率高于第一区域（8）的垂直扫描频率。 装置（4）的水平扫描使得第二区域（9）的水平扫描频率高于第一区域（8）的水平扫描频率。