Invention Grant
- Patent Title: Liquid crystal display device and method for driving a liquid crystal display device
- Patent Title (中): 液晶显示装置及驱动液晶显示装置的方法
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Application No.: US13511973Application Date: 2010-07-29
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Publication No.: US08994760B2Publication Date: 2015-03-31
- Inventor: Kentaroh Irie , Masae Kawabata , Fumikazu Shimoshikiryoh
- Applicant: Kentaroh Irie , Masae Kawabata , Fumikazu Shimoshikiryoh
- Applicant Address: JP Osaka-shi
- Assignee: Sharp Kabushiki Kaisha
- Current Assignee: Sharp Kabushiki Kaisha
- Current Assignee Address: JP Osaka-shi
- Agency: Morrison & Foerster LLP
- Priority: JP2009-270819 20091127
- International Application: PCT/JP2010/062796 WO 20100729
- International Announcement: WO2011/065063 WO 20110603
- Main IPC: G09G5/10
- IPC: G09G5/10 ; G09G3/36 ; G09G3/20

Abstract:
The present invention provides a liquid crystal display device that appropriately compensates for a feed-through voltage. The liquid crystal display device is arranged such that when data of a certain gray level is to be displayed, the effective value of a pixel voltage changes in an N-frame cycle, a first pixel and a second pixel are provided that are different in the effective value during an i-th frame (1≦i≦N), the first pixel has a positive polarity during the i-th frame, whereas the second pixel has a negative polarity during an i{N/2 after}th frame, the first pixel has a polarity during a j-th frame (where 1≦j≦N and i≠j), the polarity being different from the polarity of the second pixel during a j{N/2 after}th frame, and when data of a first gray level is to be displayed, VB and VC are different from each other, where VA is a source voltage (VD) of the first pixel during the i-th frame, VB is a source voltage (VD) of the second pixel during the i{N/2 after}th frame, and VC is, in a case where data of a second gray level is to be displayed when the first pixel has a positive polarity during the j-th frame, a source voltage (VD) of the second pixel during the j{N/2 after}th frame for the case in which the source voltage (VD) of the first pixel during the first pixel is VA.
Public/Granted literature
- US20120268504A1 LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING A LIQUID CRYSTAL DISPLAY DEVICE Public/Granted day:2012-10-25
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