Invention Grant
- Patent Title: Power management method and device for low-power displays
- Patent Title (中): 低功耗显示器的电源管理方法和设备
-
Application No.: US11464698Application Date: 2006-08-15
-
Publication No.: US07675239B2Publication Date: 2010-03-09
- Inventor: Duane Marhefka , Todd Ernst , Xiao-Yang Huang
- Applicant: Duane Marhefka , Todd Ernst , Xiao-Yang Huang
- Applicant Address: US OH Kent
- Assignee: Kent Displays Incorporated
- Current Assignee: Kent Displays Incorporated
- Current Assignee Address: US OH Kent
- Agency: Pearne & Gordon LLP
- Main IPC: G09G3/10
- IPC: G09G3/10

Abstract:
A device and method for supplying a display, such as a liquid crystal display, for example a bistable ChLCD, with drive voltages for extremely low power operation. The method and the device implementing the method provides an energy storage device and a voltage converter being utilized to store energy in the storage device, such that a display can be driven during an inactive, powered-down phase of the converter by using the stored energy to drive the display.
Public/Granted literature
- US20080037306A1 POWER MANAGEMENT METHOD AND DEVICE FOR LOW-POWER DISPLAYS Public/Granted day:2008-02-14
Information query
IPC分类: