CN103247266A - Bi-stable-state displayer connected with cholesteric LCD - Google Patents
Bi-stable-state displayer connected with cholesteric LCD Download PDFInfo
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- CN103247266A CN103247266A CN2012100330638A CN201210033063A CN103247266A CN 103247266 A CN103247266 A CN 103247266A CN 2012100330638 A CN2012100330638 A CN 2012100330638A CN 201210033063 A CN201210033063 A CN 201210033063A CN 103247266 A CN103247266 A CN 103247266A
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Abstract
The invention provides a bi-stable-state displayer connected with a cholesteric LCD. All pixels in a cholesteric LCD panel are reset(updated) at a resetting stage through a resetting module which exists outside a source driver, and all pixels in the cholesteric LCD panel are driven at a drive stage through the source driver (namely, gray scales are switched through analog voltage provided by the source driver). Accordingly, a better gray scale display effect can be obtained, the picture displaying time can further be shortened, and a dynamic picture playing effect is realized.
Description
Technical field
The present invention relates to a kind of plane display technique, relate in particular to a kind of bistable display that is associated with cholesterol liquid crystal.
Background technology
Bistable display (bistable display) is a kind of display that uses the bistable state medium to show, include electric ink (electronic ink and will reach the bistable state technique for displaying, E-Ink) show, cholesterol liquid crystal shows (cholesteric liquid crystal display, ChLCD), electrophoresis showed (electro-phoretic display, EPD), the moistening demonstration of electricity (electrowetting display, EWD) or fast respond liquid powder and show (quick response-liquid powder display, display technique such as QR-LPD).
With the cholesterol liquid crystal display technique, because the driving voltage of cholesterol liquid crystal (ChLC) is higher, so its type of drive adopts the type of drive of passive type (passive) mostly, and same supply voltage is used in collocation, and switches GTG (gray level) in the mode of control responsibility cycle (duty cycle).In the case, the time of display frame can expectedly can be elongated, thereby can't realize playing the effect of dynamic menu.
On the other hand, if desire adopts active type of drive to drive the words of cholesterol liquid crystal (ChLC), because the driving force of the source electrode driver (source driver) of general LCD (LCD) and (renewal) cholesterol liquid crystal (ChLC) of can't successfully resetting now, its be because of: the upper limit of the driving voltage that source electrode driver can provide/produce does not reach the standard of replacement (renewal) cholesterol liquid crystal (ChLC).In the case, for reaching the purpose that drives cholesterol liquid crystal (ChLC) with active type of drive, can expectedly must increase the upper limit of the driving voltage that source electrode driver can provide/produce, but this measure can cause the increase of cost.
Summary of the invention
In view of this, for solving/improve the problem that prior art is addressed effectively, an one exemplary embodiment of the present invention provides a kind of bistable display, and it comprises: bi-stable display panels, replacement module, active driving module, and switch module.Wherein, the replacement module is used to a reset phase replacement bi-stable display panels.Active driving module is used to driving stage driving bi-stable display panels.Switch module and couple bi-stable display panels, active driving module and replacement module, in order to react on first cause with one second switching signal replacement module and active driving module respectively described reset phase and described driving stage to be connected with bi-stable display panels.
In an one exemplary embodiment of the present invention, the bistable display of carrying can also comprise: the common voltage generator, it couples bi-stable display panels, gives bi-stable display panels in order to produce altogether with voltage.
In an one exemplary embodiment of the present invention, bi-stable display panels can comprise M bar data line, N bar sweep trace and a plurality of pixel of arranging with matrix-style, and M, N are positive integer, and the switching module comprises: M first switch and N second switch.First end of described M first switch is in order to receive the reset signal from this replacement module, and second end of described M first switch couples described M bar data line respectively, and the control end of described M first switch is then in order to receive described first switching signal.First end of a described N second switch is in order to receive a gate control signal of self reset module, and second end of a described N second switch couples described N bar sweep trace respectively, and the control end of a described N second switch is then in order to receive described first switching signal.
In an one exemplary embodiment of the present invention, switching module can also comprise: M the 3rd switch and N the 4th switch.Wherein, first end of described M the 3rd switch is in order to receive a plurality of display data signal from active driving module respectively, second end of described M the 3rd switch couples described M bar data line respectively, and the control end of described M the 3rd switch is then in order to receive described second switching signal.First end of described N the 4th switch is in order to receive a plurality of sweep signals from active driving module in regular turn, second end of described N the 4th switch couples described N bar sweep trace respectively, and the control end of described N the 4th switch is then in order to receive described second switching signal.
In an one exemplary embodiment of the present invention, active driving module can comprise: gate drivers and source electrode driver.Wherein, gate drivers produces described a plurality of sweep signal in order to sequence; Source electrode driver is then in order to produce described a plurality of display data signal.
In an one exemplary embodiment of the present invention, described first switching signal enables in described reset phase, and in described driving stage forbidden energy; In addition, described second switching signal is in described reset phase forbidden energy, and enables in the described driving stage.With this understanding, described M first switch and described N second switch while be in described reset phase conducting, and the while closed in the described driving stage; In addition, described M the 3rd switch and described N the 4th switch cuts out in described reset phase simultaneously, and simultaneously in the conducting of described driving stage.
In an one exemplary embodiment of the present invention, in described reset phase, the replacement module provides described gate control signal opening all pixels simultaneously, and provides described reset signal to form pressure reduction all pixels of resetting simultaneously with described common voltage.
In an one exemplary embodiment of the present invention, the described driving stage can comprise that one writes sub, and in the said write sub, source electrode driver is worked in coordination with in a plurality of sweep signals of gate drivers institute sequence generation and is produced described a plurality of display data signal, uses driving all pixels.
In an one exemplary embodiment of the present invention, the described driving stage can comprise also that one shows sub, and in described demonstration sub, source electrode driver and gate drivers stop to produce described a plurality of display data signal and described a plurality of sweep signal respectively, use to stop to drive all pixels; Meanwhile, bi-stable display panels show image.
In an one exemplary embodiment of the present invention, described M first switch, a described N second switch, described M the 3rd switch and described N the 4th switch can be produced on the bi-stable display panels with all pixels simultaneously; Perhaps, can arrange/be configured in outside the bi-stable display panels.
In an one exemplary embodiment of the present invention, described M first switch and described M the 3rd switch can be configured in the both sides up and down of bi-stable display panels respectively, uses and couples described M bar data line respectively.With this understanding, a described N second switch and described N the 4th switch can be configured in the left and right sides of bi-stable display panels respectively, uses and couples described N bar sweep trace respectively.
In another one exemplary embodiment of the present invention, described M first switch and described M the 3rd switch can be configured in upside or the downside of bi-stable display panels simultaneously, uses and couples described M bar data line respectively.With this understanding, a described N second switch and described N the 4th switch can be configured in left side or the right side of bi-stable display panels simultaneously, uses and couples described N bar sweep trace respectively.
In an one exemplary embodiment of the present invention, the bistable display of carrying can also comprise: time schedule controller, it couples active driving module, common voltage generator, replacement module and switches module, in order to control active driving module, common voltage generator, replacement module and the running of switching module.
In an one exemplary embodiment of the present invention, the bistable display of carrying is at least cholesterin liquid-crystal display, and bi-stable display panels is at least the cholesteric liquid LCD panel.
Based on above-mentioned, the invention provides a kind of bistable display that is associated with cholesterol liquid crystal and adopts active type of drive, its replacement module by being present in the source electrode driver outside with at reset phase to all pixels in the cholesteric liquid LCD panel reset (renewal), and by source electrode driver in the driving stage (that is, the aanalogvoltage that provides by source electrode driver switches GTG) is provided all pixels in the cholesteric liquid LCD panel.Thus, except can obtaining better GTG display effect, can also shorten the time of display frame, thereby realize playing the effect of dynamic menu.
Will be appreciated that above-mentioned general description and following embodiment only are exemplary and illustrative, it can not limit the scope that institute of the present invention desire is advocated.
Description of drawings
Following accompanying drawing is the part of instructions of the present invention, has shown example embodiment of the present invention, and accompanying drawing illustrates principle of the present invention with the description of instructions.
Fig. 1 is shown as the system architecture diagram of the bistable display (bistable display) 10 of the present invention's one one exemplary embodiment;
Fig. 2 is shown as the synoptic diagram of the bi-stable display panels (bistable display panel) 101 of Fig. 1;
Fig. 3 is shown as the enforcement synoptic diagram of the bistable display 10 of the present invention's one one exemplary embodiment;
Fig. 4 is shown as the running synoptic diagram of the bistable display 10 of the present invention's one one exemplary embodiment;
Fig. 5 is shown as the modification of the bistable display 10 of Fig. 3 and implements synoptic diagram.
Reference numeral:
10: bistable display;
101: bi-stable display panels;
103: the replacement module;
105: active driving module;
107: switch module;
109: the common voltage generator;
111: time schedule controller;
301: gate drivers;
303: source electrode driver;
DL1～DLM: data line;
SL1～SLN: sweep trace;
SW1～SW4: switch;
P: pixel;
S1, S2: switching signal;
RS: reset signal;
GS: gate control signal;
DS1～DSM: display data signal;
SS1～SSN: sweep signal;
Vcom: common voltage;
FP: during the picture;
PR: reset phase;
PD: driving stage;
PW: write sub;
PS: show sub.
Embodiment
Now will the example of described one exemplary embodiment be described in the accompanying drawings in detail with reference to one exemplary embodiment of the present invention.In addition, all possibility parts use element/member of same numeral to represent identical or similar portions in drawings and the embodiments.
Fig. 1 is shown as the system architecture diagram of the bistable display (bistable display) 10 of the present invention's one one exemplary embodiment.Please refer to Fig. 1, bistable display 10 can be cholesterin liquid-crystal display (cholesteric liquid crystal display, ChLCD), but be not restricted to this, and it comprises: resolution is M*N (M, N is positive integer) bi-stable display panels (namely, the cholesteric liquid LCD panel) 101, replacement module (reset module) 103, active driving module (active driving module) 105, switch module (switching module) 107, common voltage generator (common voltage generator) 109, and time schedule controller (timing controller, T-con) 111.
In this one exemplary embodiment, as shown in Figure 2, bi-stable display panels 101 comprises: M bar data line (data line) DL1～DLM, N bar sweep trace (scan line) SL1～SLN, and a plurality of pixel (pixel) P that arranges with matrix-style.Wherein, each pixel P can couple and be arranged on corresponding data line DLi (i=1～M) and the sweep trace SLj (infall of j=1～N).
The base this, Fig. 3 is shown as the enforcement synoptic diagram of the bistable display 10 of the present invention's one one exemplary embodiment.Please merge with reference to Fig. 1～Fig. 3, in this one exemplary embodiment, replacement module 103 can react on the control of time schedule controller 111 and produce reset signal (reset signal) RS and gate control signal (gate-control signal) GS.
First end of described N second switch SW2 is in order to receive the gate control signal GS of self reset module 103, second end of described N second switch SW2 couples the sweep trace SL1～SLN in the bi-stable display panels 101 respectively, and the control end of described N second switch SW2 is then in order to receive the first switching signal S1 from time schedule controller (T-con) 111.
Display data signal DS1～DSM that first end of described M the 3rd switch SW 3 produces in order to the source electrode driver 303 that receives respectively from active driving module 105, second end of described M the 3rd switch SW 3 couples the data line DL1～DLM in the bi-stable display panels 101 respectively, and the control end of described M the 3rd switch SW 3 is then in order to receive the second switching signal S2 from time schedule controller (T-con) 111.
Sweep signal SS1～SSN that first end of described N the 4th switch SW 4 produces in order to the gate drivers 301 that receives in regular turn from active driving module 105, second end of described N the 4th switch SW 4 couples the sweep trace SL1～SLN in the bi-stable display panels 101 respectively, and the control end in the bi-stable display panels 101 is then in order to receive the second switching signal S2 from time schedule controller (T-con) 111.
In this one exemplary embodiment, all switch SW 1～SW4 can be produced on the bi-stable display panels 101 simultaneously with all pixel P, (Thin Film Transistor TFT) implements, but is not restricted to so all switch SW 1～SW4 all can thin film transistor (TFT).In other words, all switch SW 1～SW4 also can arrange/be configured in outside the bi-stable display panels 101, and all are looked closely actual design/application demand and discuss.
On the other hand, Fig. 4 is shown as the running synoptic diagram of the bistable display 10 of the present invention's one one exemplary embodiment.Please merge with reference to Fig. 1～Fig. 4, the first switching signal S1 that time schedule controller (T-con) 111 produces can enable in reset phase PR, and in driving stage PD forbidden energy; In addition, the second switching signal S2 that time schedule controller (T-con) 111 produces can be in reset phase PR forbidden energy, and enables in driving stage PD.Thus, described M first switch SW 1 and described N second switch SW2 will be simultaneously in reset phase PR conductings (turned-on), and close (turned-off) in driving stage PD simultaneously; In addition, described M the 3rd switch SW 3 will be closed in reset phase PR with described N the 4th switch SW 4 simultaneously, and simultaneously in driving stage PD conducting.
In this one exemplary embodiment, in reset phase PR, replacement module 103 can provide gate control signal GS to open all the pixel P in the bi-stable display panels 101 simultaneously, and provide reset signal RS to form pressure reduction with the common voltage Vcom that is produced with voltage generator 109 together, use all the pixel P in (renewal) bi-stable display panels 101 of resetting simultaneously.
On the other hand, whole driving stage PD can be divided into and writes sub (writing sub-phase) PW and show sub (displaying sub-phase) PS.In writing sub PW, source electrode driver 303 can be worked in coordination with in the sweep signal SS1～SSN of 301 sequences generations of gate drivers and be produced display data signal DS1～DSM, uses all pixel P that drive in proper order in the bi-stable display panels 101.In addition, in showing sub PS, source electrode driver 303 stops to produce display data signal DS1～DSM and sweep signal SS1～SSN respectively with gate drivers 301, uses all pixel P that stop to drive in the bi-stable display panels 101; Meanwhile, bi-stable display panels 101 is with show image.
What deserves to be mentioned is that in this add up time span of driving stage PD of reset phase PR can be considered as (frame period) FP during the picture of bistable display 10.And bistable display 10 can be introduced into reset phase PR when running, then enter driving stage PD again.Base this, when bistable display 10 enters reset phase PR, react on the control of time schedule controller 111, replacement module 103 can produce (variable) reset signal RS and gate control signal GS, and common voltage generator 109 can generation (variable) common voltage Vcom.
With this understanding, because first and second switching signal S1, S2 are respectively when reset phase PR and enable and forbidden energy, so described M first switch SW 1 can be switched on simultaneously with described N second switch SW2, and described M the 3rd switch SW 3 can be closed simultaneously with described N the 4th switch SW 4.In other words, in reset phase PR, switch module 107 and can cause replacement module 103 to be connected with bi-stable display panels 101, and cause active driving module 105 not link to each other with bi-stable display panels 101.
Add, in reset phase PR, the gate control signal GS that replacement module 103 produces can open all the pixel P in the bi-stable display panels 101 simultaneously, to such an extent as to all the pixel P in the bi-stable display panels 101 will react on pressure reduction between (variable) common voltage Vcom that (variable) reset signal RS that replacement module 103 produces produces with voltage generator 109 together and reset (renewal).
All pixel P in bi-stable display panels 101 are after reset phase PR is reset (renewal), and bistable display 10 can continue and enter driving stage PD.When bistable display 10 enters driving stage PD, because first and second switching signal S1, S2 are respectively forbidden energy and enable when driving stage PD, so described M first switch SW 1 can be closed simultaneously with described N second switch SW2, and described M the 3rd switch SW 3 can be switched on simultaneously with described N the 4th switch SW 4.In other words, in driving stage PD, switch module 107 and can cause replacement module 103 not link to each other with bi-stable display panels 101, and cause active driving module 105 to be connected with bi-stable display panels 101.
Meanwhile, react on the control of time schedule controller 111, gate drivers 301 and source electrode driver 303 can produce sweep signal SSj (j=1～N) and display data signal DSi (i=1～M) respectively at the sub PW that writes that drives stage PD.And source electrode driver 303 can be worked in coordination with in the sweep signal SS1～SSN of 301 sequences generations of gate drivers and be produced display data signal DS 1～DSM, uses all pixel P that drive in the bi-stable display panels 101.
And then, in showing sub PS, source electrode driver 303 can react on the control of time schedule controller 111 and stop to produce display data signal DS1～DSM and sweep signal SS1～SSN respectively with gate drivers 301, uses all pixel P that stop to drive in the bi-stable display panels 101; Meanwhile because each data line DLi (i=1～M) with do not exist pressure reduction (that is, equipotential) between the common voltage Vcom, so bi-stable display panels 101 will be able to the show image in demonstration sub PS.
Hence one can see that, and the bistable display 10 that this one exemplary embodiment discloses is associated with cholesterol liquid crystal (ChLCD) and adopts active type of drive.Because the replacement module 103 of bistable display 10 by being present in source electrode driver 303 outsides is with all the pixel P in the bi-stable display panels 101 of reset phase PR (cholesteric liquid LCD panel) reset (renewal), and drive (that is, the aanalogvoltage that provides by source electrode driver 303 switches GTG) by source electrode driver 303 with all the pixel P in driving the bi-stable display panels 101 of stage PD (cholesteric liquid LCD panel).Thus, except can obtaining better GTG display effect, can also shorten the time of display frame, thereby realize playing the effect of dynamic menu.
Clearer, if be example to switch 16 GTGs, (FP) was to reset/to upgrade the pixel in the cholesteric liquid LCD panel during the type of drive of tradition passive type must spend 1 picture, and (FP) is to drive the pixel in the cholesteric liquid LCD panel during must spending 16 pictures, so be the cholesterin liquid-crystal display of 60Hz with the picture update rate, the type of drive of tradition passive type can only show 3 image frames in a second, so be unfavorable for playing dynamic menu.
Relatively, in the present invention, if be example to switch 16 GTGs, (FP) was to reset/to upgrade the pixel in the cholesteric liquid LCD panel during active type of drive of the present invention need spend 1 picture equally, but but (FP) gets final product so that the pixel in the cholesteric liquid LCD panel is driven during 1 picture of only use expense, so be the cholesterin liquid-crystal display of 60Hz with the picture update rate, active type of drive of the present invention can show 30 image frames in a second, so be beneficial to the broadcast dynamic menu.
On the other hand, Fig. 5 is shown as the modification enforcement synoptic diagram of the bistable display 10 of Fig. 3.Please merge with reference to Fig. 3 and Fig. 5, can clearly be seen that from Fig. 3, described M first switch SW 1 and described M the 3rd switch SW 3 are configured in the both sides up and down of bi-stable display panels 101 respectively, use with respectively with bi-stable display panels 101 in data line DL1～DLM couple; In addition, described N second switch SW2 and described N the 4th switch SW 4 is configured in the left and right sides of bi-stable display panels 101 respectively, use with respectively with bi-stable display panels 101 in sweep trace SL1～SLN couple.
Under similar concept, as shown in Figure 5, described M first switch SW 1 and described M the 3rd switch SW 3 can (for example) be configured in the downside (but can change into upside) of bi-stable display panels 101 simultaneously, use respectively with bi-stable display panels 101 in data line DL1～DLM couple; In addition, described N second switch SW2 and described N the 4th switch SW 4 also can (for example) be configured in the right side (but can change into the left side) of bi-stable display panels 101 simultaneously, use respectively with bi-stable display panels 101 in sweep trace SL1～SLN couple.Yet, because the function mode of Fig. 3 and Fig. 5 is similar, so also no longer given unnecessary details it at this.
In sum, the invention provides a kind of bistable display that is associated with cholesterol liquid crystal and adopts active type of drive, its replacement module by being present in the source electrode driver outside with at reset phase to all pixels in the cholesteric liquid LCD panel reset (renewal), and by source electrode driver in the driving stage (that is, the aanalogvoltage that provides by source electrode driver switches GTG) is provided all pixels in the cholesteric liquid LCD panel.Thus, except can obtaining better GTG display effect, can also shorten the time of display frame, thereby realize playing the effect of dynamic menu.
Change a mode; so long as by the outside any device/module/unit/circuit of (active) source electrode driver with all pixels in the cholesteric liquid LCD panel are reset (renewal); and by similar techniques means or the method for (active) source electrode driver so that all pixels in the cholesteric liquid LCD panel are driven, just belong to the category of institute of the present invention desire protection.
In addition, though above-mentioned one exemplary embodiment is to be that example describes with the cholesterin liquid-crystal display, the present invention is not restricted to this.In other words, the technological means/concept of disclosed/teaching/idea can be applied in the flat display apparatus with the higher any kind of bistable characteristic and required driving voltage.Even, in Fig. 4 disclose/the running synoptic diagram of teaching also can do a little change and modification without departing from the spirit and scope of the present invention, for example: reset signal RS and common voltage Vcom be in the aspect of reset phase PR, perhaps each stage PR, PD (PW, time length PS).All are looked closely practical design/application/driving demand and discuss.
Though the present invention discloses as above with embodiment, so it is not in order to limiting the present invention, and any person of an ordinary skill in the technical field when can doing a little change and retouching, and does not break away from the spirit and scope of the present invention.In addition, arbitrary embodiment of the present invention or claim must not reached disclosed whole purposes or advantage or characteristics.In addition, summary part and title only are the usefulness of auxiliary patent document search, are not to limit the scope of the invention.
Claims (18)
1. bistable display comprises:
One bistable state display panel;
One replacement module is used to a reset phase this bi-stable display panels of resetting;
One active driving module, the driving stage that is used to drives this bi-stable display panels; And
All die change groups, couple this bi-stable display panels, this active driving module and this replacement module, in order to react on one first cause with one second switching signal the active driving module of this replacement module and this respectively this reset phase and this driving stage to be connected with this bi-stable display panels.
2. bistable display according to claim 1 wherein also comprises:
Use voltage generator altogether, couple this bi-stable display panels, give this bi-stable display panels in order to produce altogether with voltage.
3. bistable display according to claim 2, wherein this bi-stable display panels comprises M bar data line, N bar sweep trace and a plurality of pixel of arranging with matrix-style, M, N are positive integer, and this switching module comprises:
M first switch, its first end is in order to receive the reset signal from this replacement module, and its second end couples those data lines respectively, and its control end is then in order to receive this first switching signal; And
N second switch, its first end is in order to receive the gate control signal from this replacement module, and its second end couples those sweep traces respectively, and its control end is then in order to receive this first switching signal.
4. bistable display according to claim 3, wherein this switching module also comprises:
M the 3rd switch, its first end is in order to receive a plurality of display data signal from this active driving module respectively, and its second end couples those data lines respectively, and its control end is then in order to receive this second switching signal; And
N the 4th switch, its first end is in order to receive a plurality of sweep signals from this active driving module in regular turn, and its second end couples those sweep traces respectively, and its control end is then in order to receive this second switching signal.
5. bistable display according to claim 4, wherein this active driving module comprises:
One gate drivers produces those sweep signals in order to sequence; And
The one source pole driver is in order to produce those display data signal.
6. bistable display according to claim 5, wherein
This first switching signal enables in this reset phase, and drives the stage forbidden energy in this; And
This second switching signal is in this reset phase forbidden energy, and enables in this driving stage.
7. bistable display according to claim 6, wherein
Those first switches and those second switches be simultaneously in this reset phase conducting, and close in this driving stage simultaneously; And
Those the 3rd switches and those the 4th switches are closed in this reset phase simultaneously, and drive the stage conducting in this simultaneously.
8. bistable display according to claim 7, wherein in this reset phase, this replacement module provides this gate control signal opening those pixels simultaneously, and provides this reset signal to form pressure reduction those pixels of resetting simultaneously with this common voltage.
9. bistable display according to claim 7, wherein should comprise that one write sub the driving stage, and write sub in this, this source electrode driver is worked in coordination with those sweep signals that produce in this gate drivers and is produced those display data signal, uses driving those pixels.
10. bistable display according to claim 9, should also comprise wherein that one showed sub the driving stage, and show sub in this, this source electrode driver and this gate drivers stop to produce those display data signal and those sweep signals respectively, use to stop to drive those pixels; Meanwhile, this bi-stable display panels show image.
11. bistable display according to claim 4, wherein those first switches, those second switches, those the 3rd switches and those the 4th switches are produced on this bi-stable display panels with those pixels simultaneously.
12. bistable display according to claim 4, wherein those first switches, those second switches, those the 3rd switches and those the 4th switches are arranged on outside this bi-stable display panels.
13. bistable display according to claim 4, wherein those first switches and those the 3rd switches are configured in the both sides up and down of this bi-stable display panels respectively, use and couple those data lines respectively.
14. bistable display according to claim 13, wherein those second switches and those the 4th switches are configured in the left and right sides of this bi-stable display panels respectively, use and couple those sweep traces respectively.
15. bistable display according to claim 4, wherein those first switches and those the 3rd switches are configured in upside or the downside of this bi-stable display panels simultaneously, use and couple those data lines respectively.
16. bistable display according to claim 15, wherein those second switches and those the 4th switches are configured in left side or the right side of this bi-stable display panels simultaneously, use and couple those sweep traces respectively.
17. bistable display according to claim 2 wherein also comprises:
Time schedule controller couples this active driving module, this common voltage generator, this replacement module and this switching module, in order to control the running of this active driving module, this common voltage generator, this replacement module and this switching module.
18. bistable display according to claim 1, wherein this bistable display is at least a cholesterin liquid-crystal display, and this bi-stable display panels is at least a cholesteric liquid LCD panel.
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| CN102087838A (en) * | 2009-12-02 | 2011-06-08 | 肯特显示器公司 | Video rate ChLCD driving with active matrix backplanes |
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Application publication date: 20130814 |