发明授权
US06943783B1 LCD controller which supports a no-scaling image without a frame buffer
有权
LCD控制器，支持没有帧缓冲区的无缩放图像
- 专利标题： LCD controller which supports a no-scaling image without a frame buffer
- 专利标题（中）： LCD控制器，支持没有帧缓冲区的无缩放图像
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申请号： US10005807申请日： 2001-12-05
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公开(公告)号： US06943783B1公开(公告)日： 2005-09-13
- 发明人: Tah-Kang Joseph Ting , Yin-Shing Lieu , Gyh-Bin Wang , Ming-Song Hwang
- 申请人： Tah-Kang Joseph Ting , Yin-Shing Lieu , Gyh-Bin Wang , Ming-Song Hwang
- 申请人地址： TW Hsin-chu
- 专利权人： Etron Technology Inc.
- 当前专利权人： Etron Technology Inc.
- 当前专利权人地址： TW Hsin-chu
- 代理商 George O. Saile; Stephen B. Ackerman
- 主分类号： G09G3/36
- IPC分类号： G09G3/36 ; G09G5/00
摘要：
This invention provides a method and apparatus for displaying an unscaled image frame on an LCD panel. The method and apparatus uses the same line buffers available to the digital signal processor DSP formerly used for scaling the displayed image up or down in size. No extra frame buffers are required by this invention since the frame rates of the source image and the LCD panel are the same. The image frame buffer is written to the LCD panel on every other panel vertical synchronization pulse. The vertical synchronization timing is shifted to the left or right in the time domain to center the image on the LCD panel.
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