CN109599073A - A kind of display device, driving method and display - Google Patents
A kind of display device, driving method and display Download PDFInfo
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- CN109599073A CN109599073A CN201910018434.7A CN201910018434A CN109599073A CN 109599073 A CN109599073 A CN 109599073A CN 201910018434 A CN201910018434 A CN 201910018434A CN 109599073 A CN109599073 A CN 109599073A
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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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
- G09G3/3614—Control of polarity reversal in general
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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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
Abstract
The invention discloses a kind of display device, driving method and displays.The display device, comprising: the multi-strip scanning along line direction arrangement drives line, along a plurality of data-driven line of column direction arrangement；Multiple pixel units, each pixel unit include multiple sub-pixels；Data-driven line described in the sub-pixel connection same of identical polar in same row；The sub-pixel in same row sub-pixel at least different there are two polarity；So the quantity that the quantity of data-driven line is equal to the corresponding sub-pixel on line direction adds one.The power consumption of polarity reversion is reduced under the premise of guaranteeing display effect, saves the cost for needing additional radiator.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display devices, driving method and display.
Background technique
With the development of LCD display plate technique, requirement of the consumer to display effect is higher and higher, LCD display
The resolution of plate also gradually develops to 4K2K (UHD) and 8K4K.4K2K ultra high-definition can reach 3840 × 2160 physical resolution,
It is common FullHD (1920 × 1080) wide each twice high, four times of area, shows that the total pixel number amount of equipment has reached 800
Ten thousand or more.
More preferably for display effect, there is the dot structure of bigrid driving, in order to enable this kind of dot structure to obtain
To satisfied picture quality, need to arrange in pairs or groups better data reversal mode, such as duplicate rows reversion (2line inversion) or one
Two rows are added to invert (1+2line in-version).But the dot structure of this driving method to the power consumption of driving chip compared with
Greatly, temperature also can be very high, needs additional cooling measure (such as heat dissipation patch) to guarantee the balance of internal temperature.
Summary of the invention
It, can be with technical problem to be solved by the invention is to provide a kind of display device and its driving method and display
Driving chip power consumption is reduced, without additional radiator.
The display device includes: the multi-strip scanning driving line along line direction arrangement, along a plurality of number of column direction arrangement
According to driving line；Multiple pixel units, each pixel unit include multiple sub-pixels；The sub-pixel of identical polar in same row
Connect data-driven line described in same；The sub-pixel in same row sub-pixel at least different there are two polarity；So
The quantity that the quantity of data-driven line is equal to the corresponding sub-pixel on line direction adds one.
Optionally, the sub-pixel is in a column direction in every line or two row polarity are different.
Optionally, the first row is different with the sub-pixel polarity in last line.
Optionally, sub-pixel sub-pixel colors in same row are identical.
Optionally, different in the two neighboring sub-pixel colors of line direction.
Optionally, different in the two neighboring sub-pixel polarity of line direction.
Optionally, the display device includes that the multi-strip scanning along line direction arrangement drives line, along the more of same row arrangement
Data drives line；Multiple pixel units, each pixel unit include multiple sub-pixels；The sub-pixel picture in same row
Plain color is identical, and in every line or two row polarity are different and the first row is different with the sub-pixel polarity in last line；It is described
Sub-pixel is different in the two neighboring sub-pixel colors of line direction, and polarity is on the contrary, so the quantity of data-driven line is equal to row
The quantity of the corresponding sub-pixel adds one on direction.
The invention also discloses a kind of driving method of display device,
The display device includes that the multi-strip scanning along line direction arrangement drives line, along a plurality of data of column direction arrangement
It drives line and multiple pixel units, each pixel unit includes multiple sub-pixels；Sub-pixel sub-pixel in a column direction
Color is identical, and in every line or two row polarity are different and the first row is different with the sub-pixel polarity in last line；The son
Pixel is different in the two neighboring sub-pixel colors of line direction, and polarity is opposite.
So the quantity that the quantity of data-driven line is equal to the corresponding sub-pixel on line direction adds one.
The step of driving method includes,
In present frame driving the 1st to N-1 data line；
In next frame driving the 2nd to N data line；
The N is the total number of data line；In same frame time, the polarity of every data line output is identical；Next
In frame time, the polarity of respective data lines is opposite.
Optionally, when the current frame, the data of the output of data line described in the N articles are sky；In next frame, described in the 1st article
The data of data line output are sky.
The invention also discloses a kind of displays, including backlight module and above-mentioned any display device.
Relative to the pixel structure of other drivings, the more data lines of the present invention, the polarity on each data line is identical,
The reversion of bigrid polarity is carried out compared to ordinary display panel, present invention polarity of every data line output in same frame picture is protected
It holds constant, is equivalent to the mode of column inversion, therefore reduce the power consumption of data drive circuit, avoids internal temperature excessively high, damage electricity
Road or chip.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is illustrative a kind of schematic diagram of display device of the invention；
Fig. 2 is the dot structure schematic diagram of illustrative one kind of the invention；
Fig. 3 is the schematic diagram of the driving dot structure of one embodiment of the invention；
Fig. 4 is a kind of schematic diagram of driving dot structure of another embodiment of the present invention；
Fig. 5 is a kind of driving dot structure schematic diagram of another embodiment of the present invention；
Fig. 6 is the driving method flow chart of one embodiment of the invention；
Fig. 7 is a kind of schematic diagram of display of another embodiment of the present invention.
Wherein, 100, display device；110, turntable driving line；120, data-driven line；130, pixel unit；140, sub- picture
Element；150, line direction；160, column direction；170, output data is empty region；200, display；300, backlight module.
Specific embodiment
Specific structure and function details disclosed herein are only representative, and are for describing showing for the application
The purpose of example property embodiment.But the application can be implemented by many alternative forms, and be not interpreted as
It is limited only by the embodiments set forth herein.
In the description of the present application, it is to be understood that term " center ", " transverse direction ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, art
Language " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include one
Or more this feature.In the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
In addition, term " includes " and its any deformation, it is intended that cover and non-exclusive include.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or combination thereof.
The invention will be further described with optional embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 5, the invention discloses a kind of display devices 100, comprising: arranges along line direction 150 a plurality of
Turntable driving line 110, a plurality of data-driven line 120 arranged along column direction 160；Multiple pixel units 130, each pixel unit
130 include multiple sub-pixels 140；The sub-pixel 140 of identical polar connects same data-driven line on same column direction 160
120；Sub-pixel 140 on same column direction 160 sub-pixel 140 at least different there are two polarity；So data-driven line 120
Quantity be equal to the quantity of corresponding sub-pixel 140 on line direction 150 and add one.
In the present solution, by taking UHD resolution liquid crystal display panel as an example, data-driven line 120 should have 3840*3=with reference to Fig. 1
11520, and if the present invention one more than common display panel, i.e., 11521, can achieve makes same column direction in this way
The identical sub-pixel 140 of 160 polarity shares same data-driven line 120, and in addition polar sub-pixel 140 is to connect in addition
Data-driven line 120.Polarity in this way on each data-driven line is identical, can be on same 160 sub-pixel 140 of column direction
Two different polarity are connected with two data-driven lines 120.Again because of the pixel polarity that each data-driven line 120 connects
It is identical, it is equivalent to column inversion in the reversion of polarity driven polarity, compared with ordinary display panel double grid umpolung
(2lineinversion) or one plus two rows reversion (1+2lineinversion) power consumption of data drive circuit is reduced, can be with
It avoids internal temperature excessively high, damages circuit or chip.
In one embodiment, direction 150 or two line directions, 150 polarity is not in every line on column direction 160 for sub-pixel 140
Together.
In the present solution, with for UHD high-res liquid crystal display panel, as shown in Fig. 2, dot structure adds two rows to meet one
The polarity inversion mode of reversion, every 150 polar alignment rule of line direction be, when every 4+4n and 1+4n row, 140 polarity phase of sub-pixel
Together；Corresponding, 140 polarity of sub-pixel is identical on 2+4n with 3+4n row and is two adjacent line directions 150.Dot structure is same
Sub-pixel 140 on column 160, it is different at interval of a line or two row polarity, compare on same column direction 160 adjacent rows polarity not
Together or for the different sub-pixel 140 of every two rows polarity, this 160 structure of pixel arrangement more saves power consumption.
In one embodiment, the first row is different with 140 polarity of sub-pixel in last line.
In the present solution, as shown in Fig. 2, dot structure is most starting row and most end row polarity on same column direction 160
It is different, it can be seen that, it is arranged for one plus two row inversion modes (1+2line inversion), for fine definition display panel
As shown in Figure 1, pixel arrangement is more and more, polarity inversion mode needs more easy, and common row inverts column inversion dot inversion,
Will be because resolution to be higher, flashing picture probability also increases when reversion.And dot structure of the invention can add two with for one
Row inversion mode, and because data driving line 120 is added, then for data (source electrode) driving chip of the invention to picture
When element is driven, and can be used as is column inversion driving mode, and column reversion is than commonly with one plus the display surface of two rows reversion
Plate can reduce the power consumption of data driving chip.
In one embodiment, 140 color of sub-pixel on column direction 160 of sub-pixel 140 is identical.
In the present solution, when carrying out polarity reversion, positive and negative electrode produces because 140 colors of same 160 sub-pixel of column direction are identical
It is raw it is bright it is dark it is poor caused by flash, and color is identical on 160 direction of column, and the influence to people's naked eyes is little, ensure that the matter of picture
Amount.
In one embodiment, different in two neighboring 140 polarity of sub-pixel of line direction 150.
In the present solution, sub-pixel 140 polarity because of two neighboring line direction 150 is different, arrangement mode be "+-+-+- ... ",
Again because 120 quantity of data-driven line is odd number 11521, then data-driven line 120 wherein necessarily has one to be not connected to appoint
What sub-pixel 140, i.e. this data driving line 120 are not driven, and common UHD display panel, all data-drivens have been compared
Line 120 will connect sub-pixel 140 and sub-pixel 140 is driven to power on pressure and be inverted, the present invention is opposite save power consumption and when
Between, then ensuring that the temperature of display panel, do not need additionally to configure radiator yet, saves cost.
In one embodiment, different in two neighboring 140 color of sub-pixel of line direction 150.
In the present solution, because UHD resolution liquid crystal display panel horizontal direction pixel unit 130 is 3840, with reference to figure
3, tri- kinds of pixels of BGR of the present invention successively press the arrangement of line direction 150, keep the saturation degree of entire display panel uniform.In this antithetical phrase picture
Plain 140 colors are without limitation, or RGB or BRG etc., and also without limitation to the quantity of sub-pixel 140, it is also suitable
In RGBW, the pixel arrangement structure of tetra- sub-pixels 140 of RGBY.
In one embodiment, display device 100 includes that the multi-strip scanning arranged along line direction 150 drives line 110, along column
The a plurality of data-driven line 120 that direction 160 arranges；Multiple pixel units 130, each pixel unit 130 include multiple sub-pixels
140；140 color of sub-pixel on column direction 160 of sub-pixel 140 is identical, and in every line or two row polarity are different and the first row
It is different with 140 polarity of sub-pixel in last line；Sub-pixel 140 two neighboring 140 color of sub-pixel of line direction 150 not
Together, polarity is on the contrary, so the quantity that the quantity of data-driven line 120 is equal to corresponding sub-pixel 140 on line direction 150 adds one.
In the present solution, polarity is equivalent to column when inverting anti-as shown in Fig. 2, the polarity on each data-driven line is identical
Turn, reduce the power consumption of data drive circuit, avoid internal temperature excessively high, damages circuit or chip；Again because the present invention is than common picture
The more datas of plain structure drive line 120, with reference to Fig. 2, according to the polarity inversion mode circulation law of 1+2lineinversion
For, 1+4n and 4+4n (n=0,1,2,3 ..., 479) row polarity are identical in each column 160, and shared first data drives line 120,
2+4n and 3+4n (n=0,1,2,3 ..., 479) row polarity are identical, and shared Article 2 data-driven line 120；The present invention will be general
Logical panel 1+2lineinversion (one plus the reversion of two rows) mode, is improved to column inversion, can reduce power consumption, do not have to data again
Radiator is additionally set on driving circuit, reduces temperature.
As another embodiment of the present invention, a kind of driving method of display device is disclosed.
As shown in fig. 6, the step of driving method, includes,
S61, in present frame driving the 1st to N-1 data line；
S62, in next frame driving the 2nd to N data line；
N is the total number of data line；In same frame time, the polarity of every data line output is identical；In next frame
In, the polarity of respective data lines is opposite.
In one embodiment, when the current frame, the data of N data line output are sky；In next frame, the 1st article of number
Data according to line output are sky.
As shown in figure 5, same data line (data line) is even in 1+4n and 4+4n (n=0,1,2,3 ..., 479) row
140 color of sub-pixel connect is identical, and D1 to D11520 is consecutively connected to the corresponding sub-pixel 140 of BGR.
When the current frame, the sub-pixel 140 that data line 120 connects all is the same polarity in same frame, it is assumed that all
140 polarity of sub-pixel that data line 120 connects is timing, the data on 1+4n and 4+4n (n=0,1,2,3 ..., 479) row
Line 120 drives the sub-pixel 140, at this moment the last item data line D11521, and the data of output are sky.
As shown in figure 4, in 2+4n and 3+4n (n=0,1,2,3 ..., 479) row, D2 to D11521 is consecutively connected to GRB
Corresponding sub-pixel 140.And no matter in which line direction 150, the polarity that data line 120 connects all is same in same frame
A polarity does not need the deviation of any voltage, reduces the power consumption to data driving chip, saves the time, reduces temperature.
In next frame, polarity reversion is carried out, it is assumed that when being negative for the connection pixel polarity of data line 120, in this frame,
Data line 120 on 2+4n and 3+4n (n=0,1,2,3 ..., 479) row drives the sub-pixel 140, at this moment data line D1
The data of output are sky.Guarantee that each frame and the polarity of next frame are all different in this way, it is also different for empty data line, but same number
It is identical according to the polarity that line exports in same frame, therefore the power consumption to data driving chip can be reduced, reduces temperature.
The driving method of present embodiment is suitable for any display device of the present invention.
As shown in fig. 7, also disclosing a kind of display 200, including backlight module as another embodiment of the present invention
300 and a kind of above-mentioned display device 100.
It should be noted that the restriction for each step being related in this programme, in the premise for not influencing concrete scheme implementation
Under, it does not regard as being can be the step of making restriction to step sequencing, write on front what is first carried out, be also possible to
It executes, is possibly even performed simultaneously afterwards, as long as this programme can be implemented, all shall be regarded as belonging to protection model of the invention
It encloses.
Technical solution of the present invention can be widely applied to Thin Film Transistor-LCD (Thin Film
Transistor-Liquid Crystal Display, TFT-LCD) and Organic Light Emitting Diode (Organic Light-
Emitting Diode, OLED) flat-panel monitors such as display.
Panel of the invention can be TN panel (full name is Twisted Noematic, i.e. twisted nematic panel), IPS
Panel (In-Plane Switching, plane conversion), VA panel (Multi-domain Vertica Alignment, mostly elephant
Limit vertical orientation technology), it is of course also possible to be other kinds of panel, it is applicable in.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of display device characterized by comprising
Multi-strip scanning drives line, arranges along line direction；
A plurality of data-driven line is arranged along column direction；
Multiple pixel units, each pixel unit include multiple sub-pixels；
Data-driven line described in the sub-pixel connection same of identical polar in same row；
Multiple sub-pixels in same row sub-pixel at least different there are two polarity；
So the quantity that the quantity of data-driven line is equal to the corresponding sub-pixel on line direction adds one.
2. a kind of display device as described in claim 1, which is characterized in that the sub-pixel in same row in every line or
Two row polarity are different.
3. a kind of display device as claimed in claim 2, which is characterized in that the sub-pixel in the first row and last line
Polarity is different.
4. a kind of display device as described in claim 1, which is characterized in that the sub-pixel is in same row sub-pixel colors phase
Together.
5. a kind of display device as described in claim 1, which is characterized in that in the two neighboring sub-pixel colors of same a line
It is different.
6. a kind of display device as described in claim 1, which is characterized in that sub-pixel polarity described in adjacent rows is different.
7. a kind of display device as described in claim 1 characterized by comprising
Multi-strip scanning drives line, arranges along line direction；
A plurality of data-driven line is arranged along column direction；
Multiple pixel units, each pixel unit include multiple sub-pixels；
Sub-pixel colors are identical in a column direction for the sub-pixel, and in every line or two row polarity are different and the first row and last
Sub-pixel polarity in a line is different；The sub-pixel is different in the two neighboring sub-pixel colors of line direction, and polarity is opposite；
The quantity that the quantity of the data-driven line is equal to the corresponding sub-pixel on line direction adds one.
8. a kind of driving method of display device as described in claim 1, which is characterized in that comprising steps of
In present frame driving the 1st to N-1 data line；
In next frame driving the 2nd to N data line；
The N is the total number of data line；In same frame time, the polarity of every data line output is identical；In next frame
In, the polarity of respective data lines is opposite.
9. the driving method of display device as claimed in claim 8, which is characterized in that when the current frame, data described in the N articles
The data of line output are sky；In next frame, the data of the 1st article of data line output are sky.
10. a kind of display, which is characterized in that including backlight module and a kind of display as described in claim 1-7 any one
Device.
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| CN112017610A (en) * | 2020-09-04 | 2020-12-01 | Tcl华星光电技术有限公司 | Display panel and driving method thereof |
| TWI767322B (en) * | 2019-12-31 | 2022-06-11 | 南韓商Ｌｇ顯示器股份有限公司 | Organic light-emitting diode display device and driving method thereof |
| WO2023272820A1 (en) * | 2021-06-30 | 2023-01-05 | 惠州华星光电显示有限公司 | Pixel driving architecture, display panel, and display device |
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