CN104155811B - Display compensation device, display device and display compensation method - Google Patents
Display compensation device, display device and display compensation method Download PDFInfo
- Publication number
- CN104155811B CN104155811B CN201410350684.8A CN201410350684A CN104155811B CN 104155811 B CN104155811 B CN 104155811B CN 201410350684 A CN201410350684 A CN 201410350684A CN 104155811 B CN104155811 B CN 104155811B
- Authority
- CN
- China
- Prior art keywords
- signal
- coupled
- display
- coupled apparatus
- phase inverter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention provides a display compensation device, a display device and a display compensation method and aims to solve the problems according to a liquid crystal display panel, since the coupling capacitance exists between a data line and a public electrode wire, the interface of the liquid crystal display panel is greenish. The display compensation device comprises j converters and m couplings, the j is a natural number not smaller than 1, and the m is also a natural number not smaller than 1; each converter is connected to one data line of the display panel, and different converters are connected to different data lines of the display panel; one end of each coupling is connected to one converter, and the other end is connected to the public electrode wire of the display panel; each converter is used for inverting signals received by the own connected data line and outputting to one end of the own connected coupling; each coupling is used for coupling the signal received by one end to the other end.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of display compensation device, display device and display compensation side
Method.
Background technology
Current display panels, when using, in order to prevent liquid crystal polarization therein, when showing adjacent two frame, are applied
It is contrary for being added on pixel to control the direction of electric field of liquid crystal rotation, the reversion of current electric field typically using row upset or
Person's single pixel dot inversion two ways, when using column inversion, when showing adjacent two frame, is will to be applied to same row pixel
Electric field on point is simultaneously reverse, when using single pixel dot inversion, when showing adjacent two frame, is will to be applied to a pixel
Electric field on point is reverse.
Under conditions of column inversion, when electric field that pixel is applied inverts, due in display panels
Data wire and public electrode wire between there is coupled capacitor, this can lead to the picture greening that display panels show.
In sum, in existing display panels, due to there is coupling between data wire therein and public electrode wire
Close electric capacity, this can lead to the picture greening that display panels show.
Content of the invention
Embodiments provide a kind of display compensation device, display device and display compensation method, in order to solve
In display panels, due to there is coupled capacitor between data wire therein and public electrode wire, thus leading to liquid crystal display
The problem of the picture greening of Display panel.
Based on the problems referred to above, a kind of display compensation device provided in an embodiment of the present invention, including j phase inverter and m coupling
Clutch part, j is the natural number more than or equal to 1, and m is the natural number more than or equal to 1；
Each phase inverter connects the data line on display floater, and different phase inverters connect on described display floater not
Same data wire；One end of each coupled apparatus connects a phase inverter；The other end of each coupled apparatus connects described aobvious respectively
Show the public electrode wire in panel；
Each phase inverter, for the signal inversion that will receive on the data wire that itself connects, and exports to itself even
The one end of the coupled apparatus connecing；
Each coupled apparatus, the signal for receiving the one end of itself is coupled to the other end of itself.
A kind of display device provided in an embodiment of the present invention, including display compensation device provided in an embodiment of the present invention.
Display compensation method provided in an embodiment of the present invention, comprising:
The signal inversion that each phase inverter will receive on the data line on display floater, and export；
Each coupled apparatus receive that the phase inverter that is connected with itself exported anti-phase after signal, and will be anti-phase after signal
It is coupled on the public electrode wire in described display floater；
Wherein, different phase inverters receives the signal on the different pieces of information line on described display floater；Described phase inverter
Number is j, and the number of described coupled apparatus is m, and j is the natural number more than or equal to 1, and m is the natural number more than or equal to 1.
The beneficial effect of the embodiment of the present invention includes:
Display compensation device provided in an embodiment of the present invention, display device and display compensation method, will be shown by phase inverter
Show the signal inversion on the data wire on panel, the signal after one end reception of coupled apparatus is anti-phase, and be coupled to the another of itself
One end, and the signal after coupling is applied on the public electrode wire in this display floater, this with this display floater in number
It is coupled to the signal inversion on the public electrode wire in this display floater according to line, therefore, it can offset the number that phase inverter is connected
According to coupled signal on public electrode wire for the signal on line, the greening journey of the picture that display floater shows so can be reduced
Degree.
Brief description
Fig. 1 is one of structural representation of display compensation device provided in an embodiment of the present invention；
Fig. 2 is the two of the structural representation of display compensation device provided in an embodiment of the present invention；
Fig. 3 is the three of the structural representation of display compensation device provided in an embodiment of the present invention；
Fig. 4 is the flow chart of display compensation method provided in an embodiment of the present invention；
Fig. 5 is schematic diagram when display compensation method provided in an embodiment of the present invention is applied in practice.
Specific embodiment
Display compensation device provided in an embodiment of the present invention, display device and display compensation method, will be shown by phase inverter
Show the signal inversion on the data wire on panel, and by coupled apparatus will be anti-phase after signal be coupled to the public affairs on display floater
On common-battery polar curve, thus offsetting signal on the data wire that phase inverter the is connected coupled signal on public electrode wire, to drop
The greening degree of low display floater display picture.
With reference to Figure of description, compensation device, display device are shown to one kind provided in an embodiment of the present invention and shows
Show that the specific embodiment of compensation method illustrates.
A kind of display compensation device provided in an embodiment of the present invention, as shown in figure 1, include j phase inverter 11 and m coupling
Device 12, j is the natural number more than or equal to 1, and m is the natural number more than or equal to 1；
Each phase inverter 11 connects the data line 14 on display floater 13, and different phase inverters 11 connect display floater 13
On different pieces of information line 14；One end of each coupled apparatus 12 connects a phase inverter 11, and different phase inverters 11 connect different
Coupled apparatus 12；The other end of each coupled apparatus 12 connects the public electrode wire 15 in display floater 13 respectively；
Each phase inverter 11, for the signal inversion that will receive on the data wire 14 that itself connects, and exports to certainly
The one end of the coupled apparatus 12 that body connects；
Each coupled apparatus 12, the signal for receiving the one end of itself is coupled to the other end of itself.
Wherein, the signal inversion receiving on the data wire that itself connects is referred to by phase inverter, by connect from itself
The amplitude of the signal receiving on data wire is constant, position mutually add π, thus obtain anti-phase after signal.
The signal inversion that one phase inverter will be received on the data wire being connected with itself, and pass through a coupled apparatus
Signal after will be anti-phase is coupled on the public electrode wire on display floater, thus offsetting on the data wire that this phase inverter is connected
The coupled signal that produces on public electrode wire of signal, so can reduce the greening degree of the picture that display floater shows.
Taking show and comprise two phase inverters 11 and two coupled apparatuses 12 in compensation device as a example illustrate in Fig. 1, when
So, the number of phase inverter 11 can be with the number of coupled apparatus 12.The public electrode wire in display floater in Fig. 1 also may be used
So that using other shapes, for example, public electrode wire is one of display floater conductive layer.
Further, j is equal to the bar number of the data wire on display floater, and m is less than or equal to j.
When j is equal to the bar number n of the data wire on display floater, during m=1, that is, as shown in Fig. 2 each in display floater 13
Data line 14 all connects a phase inverter 11, and each phase inverter 11 can will be received on the data wire 14 being connected with itself
The signal inversion arriving, and the public electrode wire 15 on display floater 13 is coupled to by the signal after will be anti-phase with coupled apparatus 12
On, thus offsetting the coupling letter of signal on the data wire 14 that this phase inverter 11 the is connected generation on public electrode wire 15
Number, so can eliminate the signal on each data line 14 on display floater 13 and be coupled to the letter on public electrode wire 15
Number, thus reducing the greening degree of the picture that display floater shows further.At this point it is possible to by adjusting coupled apparatus to signal
Degree of coupling, thus adjusting coupled apparatus to be coupled to the size of the first coupled signal on public electrode wire so that the first coupling
The second coupled signal that conjunction signal can be coupled on public electrode wire with the signal being connected on all data wires as much as possible is big
Little equal, thus offsetting the second coupled signal as far as possible, that is, the signal on the data wire on elimination display floater is to public electrode
The impact of the signal on line is so that display floater greening degree in display picture is little as far as possible.
When j is equal to bar number n, the m=j of the data wire on display floater, that is, as shown in figure 3, display compensation device includes n
Individual phase inverter and n coupled apparatus, now, in display floater 13, each data line 14 all connects a phase inverter 11, each
The signal inversion that phase inverter 11 can will be received on the data wire 14 being connected with itself, and the coupling by being connected with itself
Clutch part 12 will be anti-phase after signal be coupled on the public electrode wire 15 on display floater 13, thus offsetting this phase inverter 11 institute
The coupled signal of generation on public electrode wire 15 for the signal on data wire 14 connecting, so can eliminate display floater 13
On each data line 14 on signal be coupled to signal on public electrode wire 15, thus reduce display floater further showing
The greening degree of the picture showing.At this point it is possible to by adjusting the degree of coupling to signal for each coupled apparatus, thus adjust every
The size of the 3rd coupled signal that individual coupled apparatus is coupled on public electrode wire so that the 3rd coupled signal can be connected this
The signal on data wire that the phase inverter of coupled apparatus is connected is coupled to the 4th coupled signal size phase on public electrode wire
Deng, thus offsetting the 4th coupled signal, that is, eliminate display floater on data wire on signal to the signal on public electrode wire
Impact so that display floater no longer greening in display picture.
When m is more than 1 and is less than j, exist in display compensation device provided in an embodiment of the present invention and connect multiple couplers
The phase inverter of part.
Alternatively, comprise at least one electricity in each coupled apparatus in display compensation device provided in an embodiment of the present invention
Hold.When a coupled apparatus includes multiple electric capacity, multiple electric capacity both can constitute this coupled apparatus in series, also may be used
To be constituted this coupled apparatus in parallel, this coupled apparatus can also be constituted in the way of connecting and combining with parallel connection.
When coupled apparatus includes at least one electric capacity, coupling can be adjusted by adjusting the capacitance of coupled apparatus
The degree of coupling to signal for the device.
Display device provided in an embodiment of the present invention, including display compensation device provided in an embodiment of the present invention.
Display compensation method provided in an embodiment of the present invention, as shown in Figure 4, comprising:
The signal inversion that s401, each phase inverter will receive on the data line on display floater, and export；
S402, each coupled apparatus receive that the phase inverter that is connected with itself exported anti-phase after signal, and will be anti-phase after
Signal be coupled on the public electrode wire in described display floater；
Wherein, different phase inverters receives the signal on the different pieces of information line on described display floater；Described phase inverter
Number is j, and the number of described coupled apparatus is m, and j is the natural number more than or equal to 1, and m is the natural number more than or equal to 1.
Each phase inverter by the signal inversion on a data line, and by a coupled apparatus will be anti-phase after signal coupling
Close on the public electrode wire on display floater, thus offsetting signal on the data wire that this phase inverter is connected in public electrode
The coupled signal producing on line, so can reduce the greening degree of the picture that display floater shows.
Further, j is equal to the bar number of the data wire on display floater, and m is less than or equal to j.Now, on each data line
Signal can through inverter, and anti-phase after signal again the public of display floater is coupled to by coupled apparatus
In electrode wires, thus the signal offset on this data line is directly coupled to the signal on public electrode wire.
It is possible to further adjust the degree of coupling to signal for the coupled apparatus, thus adjust coupled apparatus be coupled to public
The size of the 3rd coupled signal in electrode wires is so that the 3rd coupled signal can be connected with the phase inverter being connected this coupled apparatus
The 4th coupled signal that the signal on data wire connecing is coupled on public electrode wire is equal in magnitude, thus offsetting the 4th coupling letter
Number, that is, eliminate the impact to the signal on public electrode wire of signal on the data wire that this phase inverter is connected, reduce display surface
The greening degree in display picture for the plate.
Alternatively, comprise at least one electricity in each coupled apparatus in display compensation method provided in an embodiment of the present invention
Hold.When a coupled apparatus includes multiple electric capacity, multiple electric capacity both can constitute this coupled apparatus in series, also may be used
To be constituted this coupled apparatus in parallel, this coupled apparatus can also be constituted in the way of connecting and combining with parallel connection.
When coupled apparatus includes at least one electric capacity, coupling can be adjusted by adjusting the capacitance of coupled apparatus
The degree of coupling to signal for the device.
For the data line in display floater, the signal on eliminating this data wire is to the common electrical on display floater
During the impact of the signal on polar curve, display compensation method provided in an embodiment of the present invention is as shown in Figure 5.In Figure 5, a data
Signal on line exports after inverter, anti-phase after signal through coupled apparatus coupling generate the 3rd coupling letter
Number, then, the 3rd coupled signal is applied on public electrode wire；Signal on this data line pass through this data line with public
Parasitic capacitance between electrode wires is coupled on public electrode wire, generates the 4th coupled signal；The 4th coupling on public electrode wire
Closing signal superimposed with the 3rd coupled signal on public electrode wire, thus eliminating the 4th coupled signal, that is, eliminating this data
The impact to the signal on public electrode wire for the signal on line, reduces greening degree during display floater display picture.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or stream
Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that module in device in embodiment can be carried out point according to embodiment description
It is distributed in the device of embodiment and be disposed other than in one or more devices of the present embodiment it is also possible to carry out respective change.On
The module stating embodiment can merge into a module it is also possible to be further split into multiple submodule.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Obviously, those skilled in the art can carry out the various changes and modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprise these changes and modification.
Claims (9)
1. it is characterised in that including j phase inverter and m coupled apparatus, j is oneself more than or equal to 1 to a kind of display compensation device
So count, m is the natural number more than or equal to 1；
Each phase inverter connects the data line on display floater, and different phase inverters connect the different numbers on described display floater
According to line；One end of each coupled apparatus connects a phase inverter；The other end of each coupled apparatus connects described display surface respectively
Public electrode wire in plate；
Each phase inverter, for the signal inversion that will receive on the data wire that itself connects, and exports to itself connection
One end of coupled apparatus；
Each coupled apparatus, the signal for receiving the one end of itself is coupled to the other end of itself.
2., it is characterised in that j is equal to the bar number of the data wire on described display floater, m is little for device as claimed in claim 1
In equal to j.
3. device as claimed in claim 1 is it is characterised in that each coupled apparatus includes at least one electric capacity.
4. device as claimed in claim 3 is it is characterised in that when a coupled apparatus includes multiple electric capacity, the plurality of
Electric capacity connected and/or parallel connection after constitute this coupled apparatus.
5. a kind of display device is it is characterised in that include the arbitrary described display compensation device of Claims 1 to 4.
6. a kind of display compensation method is it is characterised in that include:
The signal inversion that each phase inverter will receive on the data line on display floater, and export；
Each coupled apparatus receive be connected with itself phase inverter output anti-phase after signal, and will be anti-phase after signal couple
On public electrode wire in described display floater；
Wherein, different phase inverters receives the signal on the different pieces of information line on described display floater；The number of described phase inverter
For j, the number of described coupled apparatus is m, and j is the natural number more than or equal to 1, and m is the natural number more than or equal to 1.
7., it is characterised in that j is equal to the bar number of the data wire on described display floater, m is little for method as claimed in claim 6
In equal to j.
8. method as claimed in claim 6 is it is characterised in that each coupled apparatus includes at least one electric capacity.
9. method as claimed in claim 8 is it is characterised in that when a coupled apparatus includes multiple electric capacity, the plurality of
Electric capacity connected and/or parallel connection after constitute this coupled apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410350684.8A CN104155811B (en) | 2014-07-22 | 2014-07-22 | Display compensation device, display device and display compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410350684.8A CN104155811B (en) | 2014-07-22 | 2014-07-22 | Display compensation device, display device and display compensation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104155811A CN104155811A (en) | 2014-11-19 |
| CN104155811B true CN104155811B (en) | 2017-01-25 |
Family
ID=51881350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410350684.8A Active CN104155811B (en) | 2014-07-22 | 2014-07-22 | Display compensation device, display device and display compensation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104155811B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513528B (en) * | 2016-02-04 | 2018-06-22 | 京东方科技集团股份有限公司 | Capacitor compensating circuit, display base plate, display device and capacitance compensation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667409A (en) * | 2001-09-25 | 2010-03-10 | 三星电子株式会社 | Liquid crystal display and its driving device |
| CN102073432A (en) * | 2009-11-20 | 2011-05-25 | 京东方科技集团股份有限公司 | Method for resisting coupling interference in resistive touch screen and resistive touch screen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4858250B2 (en) * | 2004-03-04 | 2012-01-18 | セイコーエプソン株式会社 | Common voltage generation circuit, power supply circuit, display driver, and common voltage generation method |
| TWI280555B (en) * | 2004-12-17 | 2007-05-01 | Au Optronics Corp | Liquid crystal display and driving method |
-
2014
- 2014-07-22 CN CN201410350684.8A patent/CN104155811B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667409A (en) * | 2001-09-25 | 2010-03-10 | 三星电子株式会社 | Liquid crystal display and its driving device |
| CN102073432A (en) * | 2009-11-20 | 2011-05-25 | 京东方科技集团股份有限公司 | Method for resisting coupling interference in resistive touch screen and resistive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104155811A (en) | 2014-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101320170B (en) | LCD device | |
| CN102054449A (en) | Liquid crystal display device | |
| CN107707861A (en) | Data wire, electronic system and the method for transmitting MIPI signals | |
| CN105096874B (en) | A kind of GOA circuits, array base palte and liquid crystal display | |
| JP2012507204A5 (en) | ||
| EP2251855A2 (en) | Display apparatus | |
| CN102376285A (en) | Display device, signal line driver, and data transfer method | |
| WO2015100920A1 (en) | Ultra high definition display device and video signal conversion method | |
| CN103745703A (en) | Driving circuit of liquid crystal display panel, liquid crystal display panel and liquid crystal display device | |
| WO2020207144A1 (en) | Display apparatus, image display method, and electronic device | |
| CN101420572B (en) | Implementing method for function of DP interface and television set | |
| CN101303841A (en) | Liquid crystal display device | |
| KR20180072790A (en) | Multi-channel display interface signal generation system of the shared protocol layer | |
| CN104155811B (en) | Display compensation device, display device and display compensation method | |
| CN101846835B (en) | Opposed scanning signal transmitting system and method thereof | |
| KR20110015201A (en) | Liquid crystal display device | |
| US20080231578A1 (en) | LVDS display system | |
| JP2008172775A (en) | Apparatus for receiving signal and display apparatus having the same | |
| CN104766578A (en) | Multi-voltage generation device and liquid crystal display | |
| CN201616258U (en) | Signal mainboard and liquid crystal display device | |
| CN101414446B (en) | Data transmission system and method thereof | |
| CN107408370A (en) | Display device and its driving method | |
| CN107123406A (en) | A kind of display driver and display device | |
| US20180293923A1 (en) | Display panel and display device | |
| CN100585677C (en) | Low voltage differential signal transmission path number conversion system and conversion transmission method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |