Invention Grant
- Patent Title: Display system with frame buffer and power saving sequence
- Patent Title (中): 显示系统具有帧缓冲和省电顺序
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Application No.: US11470247Application Date: 2006-09-05
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Publication No.: US08416173B2Publication Date: 2013-04-09
- Inventor: Christopher A. Ludden
- Applicant: Christopher A. Ludden
- Applicant Address: US CA Santa Clara
- Assignee: National Semiconductor Corporation
- Current Assignee: National Semiconductor Corporation
- Current Assignee Address: US CA Santa Clara
- Agent Alan A. R. Cooper; Wade J. Brady, III; Frederick J. Telecky, Jr.
- Main IPC: G09G3/36
- IPC: G09G3/36

Abstract:
A method is arranged to process a frame for an LCD with a modified polarity pattern. The pattern employs a polarity reversal scheme that results in line inversion and/or dot inversion patterns that are observable by pixel locations within the frame. The drive polarity for the column drivers in the LCD is toggled according to the modified polarity pattern. The scanning sequence for each row on the display is modified for cooperation with the pattern. A first subframe is scanned during a first interval while applying a first set of drive polarities. A second subframe is scanned during a second interval that is non-overlapping with the first time interval. The application of the method enables the column drivers in the LCD to operate with reduced power while retaining the benefits of line and dot inversion techniques.
Public/Granted literature
- US20070018928A1 DISPLAY SYSTEM WITH FRAME BUFFER AND POWER SAVING SEQUENCE Public/Granted day:2007-01-25
Information query
IPC分类: