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公开(公告)号：EP2324474A1
公开(公告)日：2011-05-25
申请号：EP09781367.9
申请日：2009-07-31
申请人： Liquavista B.V.
IPC分类号： G09G3/34
CPC分类号： G09G3/3433 , G02B26/005 , G09G2300/0809 , G09G2310/061
摘要： An electrowetting system including a display device (1) having a plurality of electrowetting elements (2), including a first electrowetting element and a second electrowetting element, each being configurable in a plurality of different display states; and a display controller (104, 204) for electrical addressing of the plurality of electrowetting elements in order to switch the plurality of electrowetting elements between different display states. The display controller is arranged to address the first electrowetting element twice subsequently, separated by a first addressing interval, and to address the second electrowetting element twice subsequently, separated by a second addressing interval, the second addressing interval being longer than the first addressing interval. The present invention further relates to a display controller, a driver stage and a method of controlling a display device.
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公开(公告)号：EP2095352A1
公开(公告)日：2009-09-02
申请号：EP07822649.5
申请日：2007-11-15
申请人： Liquavista B.V.
IPC分类号： G09G3/16
CPC分类号： G09G3/34 , G02B26/004 , G02F2001/1676 , G09G3/16 , G09G3/3433 , G09G3/344 , G09G3/348 , G09G2310/0256 , G09G2310/061 , G09G2330/021 , G09G2330/028
摘要： A method of operating an electro-optic display apparatus, wherein the display apparatus includes a display device having image regions and a display driving system having a data input for selecting image regions. The data input is connected to the input of a distributor for providing signals for driving the image regions. Each image region has an active display state in which the image region is driven with an active voltage signal. The active voltage signal includes a first signal level which sets an image region to the active display state and a second signal level different from said first signal level and which is applied for a shorter duration than said first signal level. The method comprises the following three steps: (1) applying the first signal level to one of said image regions in response to receiving data on said data input indicating that said image region is to be set to the active display state, (2) applying the second signal level to said image region after said first signal level has been applied; and (3) reapplying said first signal level before receipt of further data for said image region on said data input.
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公开(公告)号：EP1943636B1
公开(公告)日：2014-07-23
申请号：EP06809644.5
申请日：2006-10-19
申请人： Liquavista B.V.
IPC分类号： G09G3/34
CPC分类号： G09G3/348 , G09G2300/0426 , G09G2300/0842 , G09G2300/0852 , G09G2300/0885 , G09G2310/0205 , G09G2310/0251 , G09G2310/0262 , G09G2310/061 , G09G2310/062 , G09G2320/0209
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公开(公告)号：EP2140443B1
公开(公告)日：2016-05-11
申请号：EP08718334.9
申请日：2008-03-28
申请人： Liquavista B.V.
IPC分类号： G09G3/34
CPC分类号： G09G3/3433 , G02B26/005 , G09G3/2011 , G09G3/348 , G09G2310/06
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公开(公告)号：EP2140443A1
公开(公告)日：2010-01-06
申请号：EP08718334.9
申请日：2008-03-28
申请人： Liquavista B.V.
IPC分类号： G09G3/34
CPC分类号： G09G3/3433 , G02B26/005 , G09G3/2011 , G09G3/348 , G09G2310/06
摘要： The invention relates to a method of driving an electrowetting display device including a display element, the display element having an electrode for applying a voltage and providing a display state in response to a signal level of the voltage. The method comprises the following subsequent steps for maintaining a display state of the display element: (1) applying a first signal level (Va) during a first period (t1 t2) for the display state; (2) applying a second signal level (0) during a second period (t2 - t3); and (3) applying the first signal level during a third period (t3 - t4). The first period is longer than 1 ms and the first period plus the third period is longer than five times the second period.
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