CN106292096B - A kind of De-mux liquid crystal display and its driving method - Google Patents
A kind of De-mux liquid crystal display and its driving method Download PDFInfo
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- CN106292096B CN106292096B CN201610897774.8A CN201610897774A CN106292096B CN 106292096 B CN106292096 B CN 106292096B CN 201610897774 A CN201610897774 A CN 201610897774A CN 106292096 B CN106292096 B CN 106292096B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
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- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the present invention provides a kind of driving method of De-mux liquid crystal display, comprising: the sub-pixel of even bit in the sub-pixel of odd bits and adjacent next rows in the corresponding rows of line traffic control is scanned by odd number item in display panel；Pass through the sub-pixel of even bit in the sub-pixel and the corresponding rows of the odd number scan line of odd bits in rows corresponding with even number scan line described in the odd number scan line adjacent next even number item scanning line traffic control in display panel；Within each line-scanning period, be connected by the switching tube timesharing that the road L gating signal successively controls L gating control terminal connection in multiplex electronics；Wherein, the last one significant level of the gating signal in each line-scanning period is connected with first significant level of the gating signal in the adjacent scan period.In addition, the embodiment of the present invention also provides a kind of De-mux liquid crystal display.The liquid crystal display has lower power consumption.
Description
Technical field
The present invention relates to field of liquid crystal display more particularly to a kind of De-mux liquid crystal displays and its driving method.
Background technique
In traditional liquid crystal display driving framework, a data line (Data is connected on a pixel electrode respectively
Line) and a scan line (Gate line), this way can control the opening of grid on every Gate line well
And on every Data line data input.But with the increase of the increase of liquid crystal display resolution and resolution ratio,
The item number of Data line and Gate line also will increase, to influence penetrance, display effect.In recent years, as low temperature is more
The development of crystal silicon (Low Temperature Poly-silicon, LTPS) technology, so that thin film transistor (TFT) (Thin Film
Transistor, TFT) charging ability improve, the driving framework of multiplexing is widely used, such as 1to 6 is (again
Claim 2to 12) De-mux driving framework.Existing 1to 6De-mux driving framework is most commonly applied to column inversion (Column
Inversion) in the liquid crystal display of driving method, framework function under dot inversion (Dot inversion) driving method
Consume higher, and within each line-scanning period, it is primary all to carry out level conversion per gating signal all the way, if De-mux liquid
The resolution ratio line number of crystal display device is N, then needs to switch N per the corresponding switching tube of gating signal all the way within a frame period
Secondary, to meet the requirement that entire LCD is worked normally, the switching frequency that undoubtedly will lead to switching tube in this way is too fast, causes entire De-
The power consumption of mux liquid crystal display is excessive.
Summary of the invention
The embodiment of the present invention provides a kind of De-mux liquid crystal display and its driving method, is driven with reducing De-mux
The switching frequency of switching tube in journey reduces the power consumption of De-mux liquid crystal display.
A kind of De-mux liquid crystal display, including display panel, gate drivers, source electrode driver, multiplexing electricity
Road and sequence controller；
The display panel includes multiple data lines, multi-strip scanning line and multiple sub-pixels being arranged in array, described more
A sub-pixel forms multiple rows and multiple sub-pixel columns；Multiple sons of data line described in each and corresponding sub-pixel column
Pixel connection；Odd number scan line in the multi-strip scanning line and the sub-pixel of odd bits in corresponding rows and adjacent
Next rows in even bit sub-pixel connection, adjacent with the odd number scan line next even number item scanning
Line is connected with the sub-pixel of even bit in the sub-pixel of odd bits in corresponding rows and an adjacent upper rows；
The gate drivers are separately connected with the multi-strip scanning line, for providing respectively for scan line described in each
Scanning signal；The source electrode driver includes multiple data output ends, the data output end of odd bits and adjacent next even number
The data output end of position replaces connection with adjacent 2L data line by the multiplex electronics, and the multichannel for forming 1 couple of L is multiple
With structure, each described data output end is used to provide data voltage for the sub-pixel connected on corresponding L data line；Its
In, L is the natural number more than or equal to 2；
The multiplex electronics include L gating control terminal and with the one-to-one multiple switch of the multiple data lines
Pipe, each described switching tube are connected between the data line and corresponding data output end, the L gating control
End is successively connect with L adjacent switching tube；The sequence controller is connect with the L gating control terminal, for providing the road L
Gating signal, the road L gating signal were used within each line-scanning period, successively control and the L gating control terminal
The switching tube timesharing of connection is connected, to realize that the dot inversion to the display panel drives；Wherein, in each line-scanning period
Gating signal the last one significant level and first of the gating signal in adjacent next line-scanning period effectively
Level is connected.
Wherein, the opening sequence of the significant level of the road the L gating signal in each line-scanning period is swept with adjacent row
The opening sequence for retouching the significant level of the road the L gating signal in the period is opposite.
Wherein, if the significant level of the road L gating signal is successively sequentially opened according to the serial number of the road L gating signal
It opens, then the data output end of the odd bits successively replaces output R, G, B with the data output end of adjacent next even bit
The corresponding data voltage of pixel；If the significant level of the road L gating signal is successively inverse according to the serial number of the road L gating signal
Sequence open, then the data output end of the even bit with the data output end of an adjacent upper odd bits successively replace export B,
G, the corresponding data voltage of R sub-pixel.
Wherein, the significant level of the road the L gating signal in each line-scanning period is according in the line-scanning period
The serial number of the corresponding gating signal of first significant level is successively sequentially opened, and the road the L choosing in the gating signal of the road L
When the end time of the significant level of messenger is not at the end time of the line-scanning period, jumps and open the road the L choosing
The significant level of the 1st tunnel gating signal in messenger, and continue the significant level for successively sequentially opening subsequent gating signal
Terminate to the line-scanning period.
Wherein, the data output end of the odd bits successively replaces output with the data output end of adjacent next even bit
The sequence of data voltage according to the difference of the opening sequence of the significant level of the road L gating signal can be R, G, B picture
Element or B, R, G sub-pixel or G, B, R sub-pixel.
A kind of driving method of De-mux liquid crystal display, comprising:
Odd bits in the corresponding rows of odd number scan line described in line traffic control are scanned by odd number item in display panel
Sub-pixel and adjacent next rows in even bit sub-pixel；
Even number described in line traffic control is scanned by next even number item adjacent with the odd number scan line in display panel
Even number in the sub-pixel of odd bits and the corresponding rows of the odd number scan line in corresponding rows of scan line
The sub-pixel of position；
Within each line-scanning period, L gating control in multiplex electronics is successively controlled by the road L gating signal
The switching tube timesharing conducting of end connection, to realize that the dot inversion to the display panel drives；Wherein, each line-scanning period
First of the last one significant level of interior gating signal and the gating signal in adjacent next line-scanning period has
Level is imitated to be connected；Wherein, L is the natural number more than or equal to 2.
Wherein, the opening sequence of the significant level of the road the L gating signal in each line-scanning period is swept with adjacent row
The opening sequence for retouching the significant level of the road the L gating signal in the period is opposite.
Wherein, if the significant level of the road L gating signal is successively sequentially opened according to the serial number of the road L gating signal
Open, then the method also includes:
Successively replace output R, G, B with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of sub-pixel；
If the significant level of the road L gating signal is according to the serial number of the road L gating signal, successively backward is opened, institute
State method further include:
By the data output end of even bit with the data output end of an adjacent upper odd bits successively replace output B,
G, the corresponding data voltage of R sub-pixel；
Wherein, the data output end of the data output end of the odd bits and adjacent next even bit passes through the multichannel
The multiplex circuit 2L data line adjacent with the display panel replaces connection, forms the multiplexing structure of 1 couple of L.
If described, the significant level of the road the L gating signal in each line-scanning period scans week according to the row
The serial number of the corresponding gating signal of first significant level in phase is successively sequentially opened, and in the gating signal of the road L
When the end time of the significant level of the road L gating signal is not at the end time of the line-scanning period, jumps and open institute
The significant level of the 1st tunnel gating signal in the gating signal of the road L is stated, and continues successively sequentially to open having for subsequent gating signal
Effect level to the line-scanning period terminates.
If described, according to the difference of the opening sequence of the significant level of the road L gating signal, the method is also wrapped
It includes:
Successively replace output R, G, B with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of sub-pixel；Alternatively,
Successively replace output B, R, G with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of pixel；Alternatively,
Successively replace output G, B, R with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of sub-pixel.
The De-mux liquid crystal display and its driving method are by scanning the odd number item in the multi-strip scanning line
Line is connected with the sub-pixel of even bit in the sub-pixel of odd bits in corresponding rows and adjacent next rows,
And by and the adjacent next even number scan line of the odd number scan line and the sub- picture of odd bits in corresponding rows
The sub-pixel connection of even bit in a plain and adjacent upper rows, so that every scan line controls a picture simultaneously
The sub-pixel of the even bit of the sub-pixel and one other pixel row of the odd bits of plain row, to advantageously reduce dot inversion driving feelings
Power consumption under condition.Meanwhile by by the last one significant level of the gating signal in each line-scanning period and adjacent
First significant level of the gating signal in next line-scanning period is connected, and reduces in a frame period and often gates all the way
The switching frequency of signal, to be conducive to further decrease the power consumption of the De-mux liquid crystal display.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of De-mux liquid crystal display provided in an embodiment of the present invention；
Fig. 2 is the first working sequence schematic diagram of De-mux liquid crystal display provided in an embodiment of the present invention；
Fig. 3 is the second working sequence schematic diagram of De-mux liquid crystal display provided in an embodiment of the present invention；
Fig. 4 is the flow diagram of De-mux drive method of liquid crystal display provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
For ease of description, may be used herein such as " ... under ", " ... below ", "lower", " ... on ", "upper"
Spaces relative terms are waited to describe the relationship of an elements or features and another (a little) elements or features as illustrated in the drawing.
It is appreciated that be referred to as in another element or layer "upper", " being connected to " or " being couple to " another element when an element or layer or
When layer, it can directly on another element or layer, be directly connected to or be couple to another element or layer, or there may be occupy
Between element or layer.On the contrary, working as on an element referred to as " directly existing " another element or layer, " being directly connected to " or " direct coupling
It is connected to " another element or when layer, intervening elements or layer is not present.
It is appreciated that terminology used here is merely to description specific embodiment, is not intended to limit the present invention.Herein
In use, clearly stating unless the context otherwise, otherwise singular " one " and "the" are also intended to including plural form.Further
Ground, when used in this manual, term " includes " and/or "comprising" show the feature, entirety, step, operation, element
And/or the presence of component, but it is not excluded for other one or more features, entirety, step, operation, element, component and/or its group
The presence or increase of conjunction.
Unless otherwise defined, all terms (including technical terms and scientific terms) used herein all have institute of the present invention
The normally understood identical meanings of those of ordinary skill institute in category field.It will be further understood that, defined in such as universaling dictionary
Term, the meaning consistent with their meanings in the context of related fields otherwise should be interpreted as having, without answering
It is interpreted the meaning of idealization or over formalization, unless being clearly defined herein.
Referring to Fig. 1, in an embodiment of the invention, providing a kind of De-mux liquid crystal display 100, including display
Panel 110, gate drivers 130, source electrode driver 150, multiplex electronics 170 and sequence controller 190.
The display panel 110 includes multiple data lines 111, multi-strip scanning line 113 and multiple sub- pictures being arranged in array
Element 115, the multiple sub-pixel forms multiple rows 1151 and multiple sub-pixel columns 1153；Data line described in each
111 connect with multiple sub-pixels of corresponding sub-pixel column；Odd number scan line in the multi-strip scanning line 113 and corresponding son
In pixel column 1151 in the sub-pixel of odd bits and adjacent next rows 1151 even bit sub-pixel connection, with institute
State the adjacent next even number scan line of odd number scan line and the sub-pixel of odd bits in corresponding rows 1151 and
The sub-pixel connection of even bit in an adjacent upper rows 1151.
The gate drivers 130 are separately connected with the multi-strip scanning line 113, for being scan line described in each
113 provide scanning signal respectively；The source electrode driver 150 includes multiple data output ends 151, the data output end of odd bits
It is handed over by the multiplex electronics 170 with adjacent 2L data line 111 with the data output end of adjacent next even bit
For connection, the multiplexing structure of 1 couple of L is formed, each described data output end 151 is used to be corresponding L data line
The sub-pixel 115 of connection provides data voltage；Wherein, L is the natural number more than or equal to 2.
The multiplex electronics 170 include L gating control terminal 171 and correspond with a plurality of 111 line of data
Multiple switch pipe T, each described switch transistor T be connected to the data line 111 and corresponding data output end 151 it
Between, the L gating control terminal 171 is successively connect with L adjacent switch transistor T；The sequence controller 190 and the grid
Controller 130, the source electrode controller 150 and the L gating control terminal 171 connection, for being the gate controller
130, the source electrode controller 150 provides clock signal, and provides the road L gating signal for the multiplex electronics 170, described
The road L gating signal was used within each line-scanning period, is successively controlled and is gated the switch that control terminal 171 is connect with described L
Pipe T timesharing conducting, to realize that the dot inversion to the display panel 110 drives；Wherein, the gating in each line-scanning period
First significant level phase of the last one significant level of signal and the gating signal in adjacent next line-scanning period
Even.
Specifically, the display panel 110 may include M data line 111, N scan line 113 and N × M in array
N number of rows 1151 and M sub- pictures are collectively formed in the sub-pixel 115 of arrangement, the N × M sub-pixels being arranged in array
Plain column 1153, the 2n+1 sub-pixel in the 2n+1 articles scan line and N number of rows in the N articles of scan line 113
The sub-pixel of capable odd bits connects, and the sub-pixel with the even bit of the 2n+2 rows in N number of rows
It connects, the sub-pixel of the even bit of the 2n+2 articles scan line and the 2n+1 rows in the N articles of scan line 113
Connection, and connect with the sub-pixel of the odd bits of the 2n+2 rows, wherein 0≤n≤N/2-1.
Each data line in the M data line 111 respectively with a sub- picture in the M sub-pixel column 1153
Multiple sub-pixels connection of element column.
The multiplex electronics 170 include L gating control terminal 171, M switch transistor T and M/L data input pin
173, each described data input pin 173 is correspondingly connected with the data output end 151, each described switch transistor T packet
Include drain electrode d, source electrode s and grid g, the drain electrode d of each switching tube are connect with a data line 111, with the M
In the 2L switching tube that 2k*L+1 data line in data line is connected to the 2nd (k+1) * L data line, with odd bits
The source electrode s of the switching tube of data line connection is connected to the 2k+1 data input pin in the M/L data input pin, with
The source electrode s of the switching tube of the data line connection of even bit is connected to the 2k+2 data in the M/L data input pin
Input terminal, the grid g for L switching tube being connect with 2k*L+1 data line to (2k+1) * L data line successively with it is described
L control terminal connection, the grid for L switching tube being connect with (2k+1) * L+1 data line to the 2nd (k+1) * L data line
It is successively connect with the L control terminal, wherein M is the integral multiple of L, 0≤k≤M/ (2L) -1.
The sequence controller 190 is separately connected with the L gating control terminal 171, for generating the road L gating signal
(being respectively MUX1~MUX6 in the present embodiment), is respectively used in the 2n+1 articles scan line per the gating signal described all the way
Scanning signal it is effective when, successively control with described in each gating control terminal 171 connect switch transistor T be connected, will described in
The data voltage that M/L data input pin provides is filled with the sub-pixel and described the of the odd bits of the 2n+1 rows
The sub-pixel of the even bit of 2n+2 rows, and when the scanning signal in the 2n+2 articles scan line is effective, successively
It controls and is connected with the switching tube of gating control terminal connection described in each, the data that the M/L data input pin is provided
Voltage is filled with the sub-pixel of the even bit of the 2n+1 rows and the odd bits of the 2n+2 rows
Sub-pixel.
Wherein, it is corresponding (in the 2n+2 line-scanning period) when the scanning signal in the 2n+2 articles scan line is effective
The road L gating signal in the gating signal opened at first significant level and the 2n+1 articles scan line on scanning
Most post-opening scanning signal when signal is effective (in the 2n+1 line-scanning period) in the corresponding road L gating signal
Significant level be connected.
Referring to Fig. 2, in one embodiment, the significant level of the road the L gating signal in each line-scanning period
Opening sequence it is opposite with the opening sequence of significant level of the road L gating signal in the adjacent line-scanning period.
If the significant level of the road L gating signal is successively sequentially opened according to the serial number of the road L gating signal, institute
Stating the data output ends of odd bits, successively alternately output R, G, B sub-pixel is corresponding with the data output end of adjacent next even bit
Data voltage；If the significant level of the road L gating signal is according to the serial number of the road L gating signal, successively backward is opened,
Then the data output end of the even bit successively replaces output B, G, R picture with the data output end of an adjacent upper odd bits
The corresponding data voltage of element.
As illustrated in fig. 2, it is assumed that L=6,6 tunnel gating signals are respectively labeled as MUX1~MUX6, sweeping in first scan line
Retouching signal is Gate1, and the scanning signal in Article 2 scan line is Gate2, the data voltage waveform that source electrode driver 150 exports
For Source.Within first line-scanning period (during first significant level of Gate1), 6 tunnel gating signal has
Effect level opening sequence is followed successively by be opened according to MUX1~MUX6 sequence, and corresponding data voltage Source is according to R, G, B sequence
Input；Within second line-scanning period (during first significant level of Gate2), effective electricity of 6 tunnel gating signal
Flat opening sequence is followed successively by be opened according to MUX6~MUX1 backward, corresponding data voltage Source according to B, G, R backward input,
The subsequent line-scanning period is then repeated in above-mentioned opening process.In this way, the 1st tunnel gating signal MUX1 and the 6th tunnel is made to gate letter
The switching frequency of number MUX6 is the half of other road gating signals, so that the 1st tunnel gating signal MUX1 and the 6th road gating letter
The switching frequency of the switching tube of number MUX6 control reduces half, and then reduces the power consumption of the De-mux liquid crystal display 100.
Referring to Fig. 3, in one embodiment, the significant level of the road the L gating signal in each line-scanning period
It is successively sequentially opened according to the serial number of the corresponding gating signal of first significant level in the line-scanning period, and described
At the end of the end time of the significant level of the road L gating signal in the gating signal of the road L is not at the line-scanning period
Between when, jump open the road L gating signal in the 1st tunnel gating signal significant level, and continue successively sequence open after
The significant level of continuous gating signal to the line-scanning period terminates.
The data output end of the odd bits successively replaces the number of output with the data output end of adjacent next even bit
According to voltage sequence according to the difference of the opening sequence of the significant level of the road L gating signal can for R, G, B sub-pixel or
B, R, G sub-pixel or G, B, R sub-pixel.
As shown in Figure 3, it is assumed that L=6,6 tunnel gating signals are respectively labeled as MUX1~MUX6, sweeping in first scan line
Retouching signal is Gate1, and the scanning signal in Article 2 scan line is Gate2, the data voltage waveform that source electrode driver 150 exports
For Source.Within first line-scanning period (during first significant level of Gate1), 6 tunnel gating signal has
Effect level opening sequence is followed successively by be opened according to MUX1~MUX6 sequence, and corresponding data voltage Source is according to the suitable of R, G, B
Sequence input；Within second line-scanning period (during first significant level of Gate2), MUX6, i.e. second row are first opened
First significant level of the gating signal in the scan period is connected with the last one significant level of first line-scanning period,
To reduce the switching frequency of MUX6, and then successively sequence opens MUX1~MUX5, corresponding data voltage Source then according to
B, R, G are sequentially inputted.And so on, the switching frequency per gating signal all the way can be reduced, is gated all the way so that reduction is every
The switching frequency of the switching tube of signal control, and then reduce the power consumption of the De-mux liquid crystal display 100.
Referring to Fig. 4, in an embodiment of the invention, a kind of driving method of De-mux liquid crystal display is provided,
This method includes at least following steps:
Step 401: the corresponding rows of odd number scan line described in line traffic control are scanned by odd number item in display panel
The sub-pixel of even bit in the sub-pixel of middle odd bits and adjacent next rows；
Step 402: line traffic control is scanned by next even number item adjacent with the odd number scan line in display panel
The sub-pixel and the corresponding sub-pixel of the odd number scan line of odd bits in the corresponding rows of the even number scan line
The sub-pixel of even bit in row；
Step 403: within each line-scanning period, successively controlling in multiplex electronics L by the road L gating signal
The switching tube timesharing conducting of control terminal connection is gated, to realize that the dot inversion to the display panel drives；Wherein, each row
The last one significant level of gating signal in scan period and the gating signal in adjacent next line-scanning period
First significant level is connected；Wherein, L is the natural number more than or equal to 2.
In one embodiment, the opening sequence of the significant level of the road the L gating signal in each line-scanning period
It is opposite with the opening sequence of significant level of the road L gating signal in the adjacent line-scanning period.
In one embodiment, if the significant level of the road L gating signal is according to the serial number of the road L gating signal
Successively sequence open, then the method also includes:
Successively replace output R, G, B with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of sub-pixel.
If the significant level of the road L gating signal is according to the serial number of the road L gating signal in one embodiment
Successively backward open, then the method also includes:
By the data output end of even bit with the data output end of an adjacent upper odd bits successively replace output B,
G, the corresponding data voltage of R sub-pixel；
Wherein, the data output end of the data output end of the odd bits and adjacent next even bit passes through the multichannel
The multiplex circuit 2L data line adjacent with the display panel replaces connection, forms the multiplexing structure of 1 couple of L.
The significant level of the road L gating signal in each line-scanning period in one embodiment is swept according to the row
The serial number for retouching first in the period corresponding gating signal of significant level is successively sequentially opened, and in the road L gating signal
In end time of significant level of the road L gating signal when being not at the end time of the line-scanning period, jump out
The significant level of the 1st tunnel gating signal in the gating signal of the road L is opened, and continues successively sequentially to open subsequent gating signal
Significant level to the line-scanning period terminate.
In one embodiment, according to the difference of the opening sequence of the significant level of the road L gating signal, the side
Method further include:
Successively replace output R, G, B with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of sub-pixel；Alternatively,
Successively replace output B, R, G with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of pixel；Alternatively,
Successively replace output G, B, R with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of sub-pixel.
It is appreciated that the specific implementation of each step in the driving method of De-mux liquid crystal display described in the present embodiment
Can also be referring to figs. 1 to the associated description in embodiment illustrated in fig. 3, details are not described herein again.
The De-mux liquid crystal display and its driving method are by scanning the odd number item in the multi-strip scanning line
Line is connected with the sub-pixel of even bit in the sub-pixel of odd bits in corresponding rows and adjacent next rows,
And by and the adjacent next even number scan line of the odd number scan line and the sub- picture of odd bits in corresponding rows
The sub-pixel connection of even bit in a plain and adjacent upper rows, so that every scan line controls a picture simultaneously
The sub-pixel of the even bit of the sub-pixel and one other pixel row of the odd bits of plain row, to advantageously reduce dot inversion driving feelings
Power consumption under condition.Meanwhile by by the last one significant level of the gating signal in each line-scanning period and adjacent
First significant level of the gating signal in next line-scanning period is connected, and reduces in a frame period and often gates all the way
The switching frequency of signal, to be conducive to further decrease the power consumption of the De-mux liquid crystal display.
It is appreciated that above disclosed is only presently preferred embodiments of the present invention, this cannot be limited with this certainly
The interest field of invention, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to
Equivalent variations made by the claims in the present invention, still belongs to the scope covered by the invention.
Claims (10)
1. a kind of De-mux liquid crystal display, which is characterized in that the De-mux liquid crystal display includes display panel, grid
Driver, source electrode driver, multiplex electronics and sequence controller；It is the display panel, the gate drivers, described
Source electrode driver and the multiplex electronics are connected to the sequence controller；
The display panel includes multiple data lines, multi-strip scanning line and multiple sub-pixels being arranged in array, the multiple son
Pixel forms multiple rows and multiple sub-pixel columns；Multiple sub-pixels of data line described in each and corresponding sub-pixel column
Connection；Odd number scan line in the multi-strip scanning line and the sub-pixel of odd bits in corresponding rows and it is adjacent under
In one rows even bit sub-pixel connection, the next even number scan line adjacent with the odd number scan line with
In corresponding rows in the sub-pixel of odd bits and an adjacent upper rows even bit sub-pixel connection；
The gate drivers are separately connected with the multi-strip scanning line, for providing scanning respectively for scan line described in each
Signal；The source electrode driver includes multiple data output ends, the data output end of odd bits and adjacent next even bit
Data output end with adjacent 2L data line replace connection by the multiplex electronics, form the multiplexing of 1 couple of L
Structure, each described data output end are used to provide data voltage for the sub-pixel connected on the L data line that is correspondingly connected with；
Wherein, L is the natural number more than or equal to 2；
The multiplex electronics include L gating control terminal and with the one-to-one multiple switch pipe of the multiple data lines,
Each described switching tube is connected between the data line and corresponding data output end, the L gating control terminal
Successively it is connect with L adjacent switching tube；The sequence controller is separately connected with the L gating control terminal, for providing L
Road gating signal, the road L gating signal were used within each line-scanning period, and successively control is controlled with the L gating
The switching tube timesharing conducting of end connection, to realize that the dot inversion to the display panel drives；Wherein, each line-scanning period
First of the last one significant level of interior gating signal and the gating signal in adjacent next line-scanning period has
Level is imitated to be connected.
2. De-mux liquid crystal display as described in claim 1, which is characterized in that the road L in each line-scanning period
The unlatching of the significant level of the road L gating signal in the opening sequence of the significant level of gating signal and adjacent line-scanning period
Sequence is opposite.
3. De-mux liquid crystal display as claimed in claim 2, which is characterized in that if the road L gating signal is effective
Level is successively sequentially opened according to the serial number of the road L gating signal, then the data output end of the odd bits with it is adjacent next
The data output end of a even bit successively alternately exports the corresponding data voltage of R, G, B sub-pixel；If the road L gating signal
Significant level according to the serial number of the road L gating signal, successively open by backward, then the data output end of the even bit with it is adjacent
A upper odd bits the data output end successively alternately corresponding data voltage of output B, G, R sub-pixel.
4. De-mux liquid crystal display as described in claim 1, which is characterized in that the road L in each line-scanning period
The significant level of gating signal according to the serial number of the corresponding gating signal of first significant level in the line-scanning period according to
Secondary sequence is opened, and the end time of the significant level of the road the L gating signal in the gating signal of the road L be not at it is described
When the end time of line-scanning period, the significant level for opening the 1st tunnel gating signal in the gating signal of the road L is jumped, and
Significant level to the line-scanning period for continuing successively sequentially to open subsequent gating signal terminates.
5. De-mux liquid crystal display as claimed in claim 4, which is characterized in that the data output end of the odd bits with
The sequence for the data voltage that the data output end of adjacent next even bit successively alternately exports is according to the road L gating signal
The difference of the opening sequence of significant level can be R, G, B sub-pixel or B, R, G sub-pixel or G, B, R sub-pixel.
6. a kind of driving method of De-mux liquid crystal display characterized by comprising
The son of odd bits in the corresponding rows of odd number scan line described in line traffic control is scanned by odd number item in display panel
The sub-pixel of even bit in pixel and adjacent next rows；
Even number item described in line traffic control is scanned by next even number item adjacent with the odd number scan line in display panel to sweep
Retouch in the corresponding rows of line even bit in the sub-pixel of odd bits and the corresponding rows of the odd number scan line
Sub-pixel；
Within each line-scanning period, L gating control terminal in multiplex electronics is successively controlled by the road L gating signal and is connected
The switching tube timesharing conducting connect, to realize that the dot inversion to the display panel drives；Wherein, in each line-scanning period
The effectively electricity of first of gating signal in the last one significant level of gating signal and adjacent next line-scanning period
It is flat to be connected；Wherein, L is the natural number more than or equal to 2.
7. method as claimed in claim 6, which is characterized in that the road L gating signal in each line-scanning period it is effective
The opening sequence of level is opposite with the opening sequence of significant level of the road L gating signal in the adjacent line-scanning period.
8. the method for claim 7, which is characterized in that if the significant level of the road L gating signal is according to the road L
The serial number of gating signal is successively sequentially opened, then the method also includes:
Successively replace output R, G, B picture with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of element；
If the significant level of the road L gating signal is according to the serial number of the road L gating signal, successively backward is opened, the side
Method further include:
Successively replace output B, G, R with the data output end of an adjacent upper odd bits by the data output end of even bit
The corresponding data voltage of pixel；
Wherein, the data output end of the data output end of the odd bits and adjacent next even bit passes through the multiplexing
The circuit 2L data line adjacent with the display panel replaces connection, forms the multiplexing structure of 1 couple of L.
9. method as claimed in claim 6, which is characterized in that the road L gating signal in each line-scanning period it is effective
Level is successively sequentially opened according to the serial number of the corresponding gating signal of first significant level in the line-scanning period, and
The end time of the significant level of the road L gating signal in the gating signal of the road L is not at the knot of the line-scanning period
When the beam time, the significant level for opening the 1st tunnel gating signal in the gating signal of the road L is jumped, and continues successively sequentially to open
Significant level to the line-scanning period for opening subsequent gating signal terminates.
10. method as claimed in claim 9, which is characterized in that the unlatching according to the significant level of the road L gating signal is suitable
The difference of sequence, the method also includes:
Successively replace output R, G, B picture with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of element；Alternatively,
Successively replace output B, R, G pixel with the data output end of adjacent next even bit by the data output end of odd bits
Corresponding data voltage；Alternatively,
Successively replace output G, B, R picture with the data output end of adjacent next even bit by the data output end of odd bits
The corresponding data voltage of element.
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