CN106873276B - Display device and its driving method - Google Patents
Display device and its driving method Download PDFInfo
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- CN106873276B CN106873276B CN201710170015.6A CN201710170015A CN106873276B CN 106873276 B CN106873276 B CN 106873276B CN 201710170015 A CN201710170015 A CN 201710170015A CN 106873276 B CN106873276 B CN 106873276B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000758 substrate Substances 0.000 claims description 13
- 238000013461 design Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 239000010409 thin film Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000005303 weighing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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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
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses display device and its driving methods, display device includes: display panel, including a plurality of grid line, multiple data lines and the pixel array being arranged in by multiple pixel units, one of each pixel unit and a plurality of grid line are connected to receive gate drive signal, and one of each pixel unit and multiple data lines are connected to receive source drive signal；Driving circuit, it is used to provide gate drive signal respectively to a plurality of grid line, and for multiple data lines to be provided with source drive signal respectively, wherein, at least one grid line in a plurality of grid line is connected at least two row pixel units in pixel array, and the data line that the pixel unit being connected with same grid line is connect is not identical.The present invention reduces the quantity of grid line compared to traditional display device, to simplify wiring and the design of driving circuit, is advantageously implemented narrow frame, and improve charge efficiency simultaneously.
Description
Technical field
The present invention relates to field of display technology, more particularly, to display device and its driving method.
Background technique
In recent years, with using liquid crystal display device as the universal of the display device of representative, the purposes of display device is also gradually
To diversified development.For example, making to substitute traditional instrument board (instrument face plate) in the car using liquid crystal display device.Therefore,
In addition to the display area of display device to be designed as to traditional rectangle, also need to show according to the difference of the application in some cases
Show that region is designed as the polygon etc. of diversified shape, such as trapezoidal, round or pentagon or more.
Fig. 1 shows a kind of structural schematic diagram of traditional display device.As shown in Figure 1, display device 100 includes display surface
Plate 110 and driving circuit, wherein driving circuit includes source electrode drive circuit 120 and gate driving circuit.Display device 100 has
Integrated gate structure (Gate Driver In Array, GIA), therefore gate driving circuit includes multistage drive element of the grid
GIA, these drive element of the grid and display panel 110 are located on same substrate 1.The effective display area domain of display panel 110 is
Non-rectangle, i.e., the pixel unit number that each row pixel unit P is included in the pixel array of the n row m column of display panel can not
The pixel unit number that same, each column pixel unit is included can be different.
As shown in Figure 1, drive element of the grid GIA at different levels are line by line in pixel array due in traditional display device
Each row pixel unit apply gate drive signal with realize progressive scan, 120 pairs of source electrode drive circuit by gate drive signal
The pixel unit P of gating applies corresponding source drive signal so that each pixel unit reaches corresponding grayscale, therefore, each grid
The pixel unit number connected on polar curve G [1] to G [n] will appear biggish difference, institute on pieces of data line D [1] to D [m]
The pixel unit number of connection will appear biggish difference, cause each grid line, the load on pieces of data line to occur larger
Difference and influence show picture quality, to increase the design difficulty of the driving circuit of display device, and reduce drive
Charge efficiency of the dynamic circuit to pixel array.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, the present invention provides a kind of display device and its driving method, with
Traditional display device is compared, and the quantity of grid line can be reduced, and the load on each grid line is made to reach balanced, thus
Driving circuit is further promoted to the charge efficiency of pixel array, the charging time of each pixel unit of extension, and is conducive to show
Showing device realizes narrow frame.
According to an aspect of the present invention, a kind of display device is provided, comprising: display panel, including it is a plurality of grid line, more
Data line and the pixel array being arranged in by multiple pixel units, each pixel unit and a plurality of grid line it
One is connected to receive gate drive signal, and one of each pixel unit and described multiple data lines are connected to receive source electrode and drive
Dynamic signal；Driving circuit is used to provide a plurality of grid line respectively the gate drive signal, and for described more
Data line provides the source drive signal respectively, wherein at least one grid line in a plurality of grid line with
Pixel unit described at least two rows in the pixel array is connected, the pixel unit being connected with grid line described in same
The data line connected is not identical.
Preferably, the pixel array includes the pixel unit of n row m column, and the 1st row is stepped to line n pixel unit
Arrangement, the pixel unit number of the line n pixel unit are greater than the pixel unit number of the first row pixel unit.
Preferably, the pixel array is divided into the first subarray and the second subarray, and first subarray includes described
1st row of pixel array is to jth row pixel unit ,+1 row of jth in second subarray comprising the pixel array to n-th
It goes, each row pixel unit number in first subarray is less than k, each row pixel unit number in second subarray
Be that non-zero natural number and j are less than n more than or equal to k, j and k, pixel unit described at least a line in first subarray with
Pixel unit described at least a line in second subarray shares a grid line.
Preferably, the pixel unit line number that the pixel unit line number of first subarray is equal to second subarray subtracts
1, the pth row pixel unit of the pixel array and the n-th-p row pixel unit of the pixel array share a grid
Line, line n pixel unit individually correspond to a grid line, and p is the non-zero natural number less than or equal to n.
Preferably, second subarray is divided into the second part except first part and the first part, is located at institute
State the rectangular array that the pixel unit composition line number in first part is n-j, each column pixel unit of the first part
It is corresponding with a data line respectively to be connected, positioned at at least one column pixel unit and described first of the second part
At least one column pixel unit in subarray shares a data line.
Preferably, the pixel unit column and described the of the pixel unit number more than first for including in first subarray
The pixel unit few comprising pixel unit number first in the second part of two subarrays, which arranges, shares a data line, institute
State the pixel unit column of the pixel unit number more than second for including in the first subarray and second of second subarray
The pixel unit few comprising pixel unit number second in point, which arranges, shares a data line, and so on.
Preferably, the driving circuit includes: gate driving circuit comprising is integrated and same base with the display panel
Multiple drive element of the grid on plate, each drive element of the grid is corresponding with a grid line respectively to be connected to provide
The corresponding gate drive signal；Source electrode drive circuit is used to provide the source electrode respectively by the multiple data lines
Driving signal.
Preferably, the substrate has first edge area opposite on the line direction of the pixel array and second edge
Area, the multiple drive element of the grid are placed in the first edge area and the second edge area.
Preferably, the substrate has third marginal zone and the 4th edge opposite on the column direction of the pixel array
Area, the source electrode drive circuit is adjacent with the 4th marginal zone, by the institute of first subarray and second subarray
It states the connected data line of the pixel unit in second part to detour in the third marginal zone, the multiple data lines exist
4th marginal zone extends to outside the substrate to be connected with the source electrode drive circuit.
According to another aspect of the present invention, a kind of driving method for display device, the display device are additionally provided
It include: display panel, including a plurality of grid line, multiple data lines and the pixel array being arranged in by multiple pixel units, often
One of a pixel unit and described a plurality of grid line are connected to receive gate drive signal, each pixel unit and institute
One of multiple data lines are stated to be connected to receive source drive signal；Driving circuit is used to mention a plurality of grid line respectively
For the gate drive signal, and for providing the source drive signal, a plurality of grid respectively to the multiple data lines
At least one grid line in polar curve is connected with pixel unit described at least two rows in the pixel array, with same
The data line that the connected pixel unit of the grid line is connected is not identical, and the driving method includes: according to institute
The connection relationship and positional relationship for stating multiple pixel units, a plurality of grid line and the multiple data lines, which are established, searches
Table；The corresponding gate drive signal is applied to each pixel unit according to the look-up table and the source drive is believed
Number.
The display device of the embodiment of the present invention and its beneficial effect of driving method are: passing through a plurality of grid in display panel
At least one grid line in polar curve is connected at least two row pixel units, so that the number of pixel cells being connected on each grid line
Mesh is equalized, so that the load difference on each grid line be made to reduce；Due to the reduction of grid line total quantity, can simplify aobvious
The wiring of showing device, to further realize the narrow frame of display device and the simplification of driving circuit；In display device
The number for the grid line for needing to scan in refresh cycle is reduced, to extend the charging time of each pixel unit, is improved and is filled
Electrical efficiency.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from.
Fig. 1 shows a kind of structural schematic diagram of traditional display device.
Fig. 2 shows the structural schematic diagrams of the display device of first embodiment of the invention.
Fig. 3 shows the connection of gate lines, data lines and each pixel unit in the display device of first embodiment of the invention
Relation schematic diagram.
Fig. 4 show a kind of specific embodiment of first embodiment of the invention gate lines, data lines and each pixel unit
Connection relationship diagram.
Fig. 5 shows the flow diagram of the driving method of the display device of second embodiment of the invention.
Specific embodiment
Hereinafter reference will be made to the drawings, and the present invention will be described in more detail.In various figures, identical element is using similar attached
Icon is remembered to indicate.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.In addition, may not show in figure
Certain well known parts out.
Many specific details of the invention, such as structure, material, size, the processing work of device is described hereinafter
Skill and technology, to be more clearly understood that the present invention.But it just as the skilled person will understand, can not press
The present invention is realized according to these specific details.
In the following, referring to attached drawing, the present invention is described in detail.
Fig. 2 shows the structural schematic diagrams of the display device of first embodiment of the invention.
As shown in Fig. 2, the display device 200 of first embodiment of the invention includes display panel 210 and driving circuit, wherein
Driving circuit includes source electrode drive circuit 220 and gate driving circuit.For the narrow frame for realizing display device 200, display dress
Setting 200 is, for example, integrated gate structure, i.e., gate driving circuit includes multistage drive element of the grid GIA, multistage gate driving list
First GIA and display panel 210 are located on same substrate 2.
Display panel 210 includes a plurality of gate lines G (G [1] to G [y] as shown in Figure 2), multiple data lines D (such as Fig. 2 institute
The D [1] to D [m] shown) and the pixel array of n row m column that is arranged in by multiple pixel unit P, each pixel unit P
Including thin film transistor (TFT) TFT, the grid of the thin film transistor (TFT) TFT in each pixel unit P and a corresponding gate lines G phase
Even, the source electrode of the thin film transistor (TFT) TFT in each pixel unit P is connected with corresponding data line D.
Substrate 2 has first edge area and second edge area on the line direction of pixel array, in gate driving circuit
Each drive element of the grid is set in first edge area and second edge area, such as each drive element of the grid is alternately arranged
In in first edge area and second edge area.Substrate 2 has third marginal zone and the 4th edge on the column direction of pixel array
Area, source electrode drive circuit 220 is adjacent with the 4th marginal zone, and each gate lines G and each data line D in pixel array can be first
It detours in third marginal zone, pieces of data line D [1] to D [m] extends to drive with source electrode to outside substrate 2 in the 4th marginal zone
Dynamic circuit 220 is connected.
In the driving circuit, an each drive element of the grid GIA corresponding gate lines G be connected and to the grid
Line G connected pixel unit provides corresponding gate drive signal, to gate the thin film transistor (TFT) in corresponding pixel unit P
TFT；Source electrode drive circuit 220 is connected with pieces of data line D [1] to D [m], for by pieces of data line D [1] to D [m] to
Thin film transistor (TFT) TFT in each pixel unit P being strobed provides source drive signal, to reach corresponding grayscale.
In the present embodiment, at least there is a gate lines G to be connected at least two row pixel units in pixel array, and
And the data line that the pixel unit being connected with same gate lines G is connect is not identical.Such as shown in Fig. 2, the 1st row pixel unit
With the (n-1)th row pixel unit common gate polar curve G [y-1], y is less than the non-zero natural number equal to n here；1st row and the (n-1)th row
In the data line that is connected of each pixel unit it is different.
It as seen from Figure 2, is not square when the shape of display panel is not pixel array in rectangle or display panel
When shape array, at least pixel unit number of the pixel unit number of one-row pixels unit and other rows not phase in pixel array
It is not identical at least pixel unit number that arranges with other of the pixel unit number of a column pixel unit in, pixel array.By
It is shared in the grid line for realizing multirow pixel unit in the first embodiment of the invention, therefore the display device of the present embodiment
The number y of grid line is less than the line number n of pixel array, to reduce the quantity of grid line, simplifies wiring difficulty and driving
The design difficulty of circuit is also further conducive to the narrow frame of display device；Meanwhile the number of pixel cells on every grid line
Mesh has obtained equilibrium, so that the load of each drive element of the grid has obtained equilibrium, to reduce negative on each grid line
It carries difference, improve display quality.
Each pixel unit in pixel array is reduced to a rectangle below so that the grid line in display panel and
The connection relationship of data line can be shown clearly in.Wherein, positioned at the pixel of a gate lines G and a data line D infall
The grid of thin film transistor (TFT) TFT in unit is connected with the gate lines G, source electrode is connected with data line D.
Fig. 3 shows the connection of gate lines, data lines and each pixel unit in the display device of first embodiment of the invention
Relation schematic diagram.
As shown in figure 3, the pixel array of display panel 210 includes that n row m is arranged in the display device 200 of the present embodiment
Pixel unit P, wherein the pixel unit number that each row pixel unit includes can be different, the picture that each column pixel unit is included
Plain number of unit can be different.Such as shown in Fig. 2, the 1st row to line n pixel unit (the 1st row to line n pixel unit according to
Sequence from top to bottom shown in Fig. 3 is arranged successively) stepped arrangement, and the pixel unit number of line n pixel unit is big
In the pixel unit number of the 1st row pixel unit, i.e., number of pixel cells that the rear one-row pixels unit in pixel array is included
Mesh is more than or equal to the pixel unit number that previous row pixel unit is included, to realize stair-stepping display area.For side
Just illustrate, by each pixel unit P, labeled as P [row serial number], [pixel unit is in the pixel unit row according to from left to right
Sequentially arrange obtained serial number], such as by the 1st pixel unit of number is denoted as pixel unit P from left to right in the 1st row pixel unit
[1] [1], by from the right side, the 1st pixel unit of number of turning left is denoted as pixel unit P [n] [m] in line n pixel unit.
Further, pixel array is divided into the first subarray 211 and the second subarray 212, the first subarray 211 packet
Containing the 1st row to jth row pixel unit ,+1 row of jth in the second subarray 212 comprising pixel array to line n, wherein first
Each row pixel unit number of subarray 211 is less than k, and each row pixel unit number of the second subarray 212 is more than or equal to k, this
In j and k be that non-zero natural number and j are less than n.In the present embodiment, at least one-row pixels unit in the first subarray 211
With in the second subarray 212 at least one-row pixels unit share a gate lines G, thus realize the reduction of grid line quantity with
And the equilibrium of the load on each grid line.In addition to the pixel unit row of common gate polar curve, remaining pixel unit row respectively with
One corresponding grid line is connected so that each pixel unit in every row pixel unit is driven by same grid line.
In the present embodiment, the wiring shape of each gate lines G is in the U-typed of U-typed and each gate lines G opening direction
Identical or opposite direction.When the arrangement of each grid line be unfavorable for grid line extraction (grid line draw purpose be with it is right
The drive element of the grid GIA answered is connected) when, grid can be realized in such a way that grid line punching is connected to another conductor layer
The extraction of line.
The second subarray 212 is divided for the second part except first part 212a and first part again.Positioned at first
Pixel unit composition line number in point 212a is equal to the rectangular array of n-j, in the rectangular array, each column pixel unit respectively with
Corresponding data line D is connected.At least one at least a column pixel unit and the first subarray 211 for second part
Column pixel unit shares a data line D.When each column pixel unit in the second part for being located at the second subarray 212 is included
Pixel unit number it is inconsistent when, can choose will in second part comprising pixel unit number least pixel unit column with
It is connected comprising the most pixel unit column of pixel unit number with same data line D in first subarray 211, by second part
In comprising pixel unit number it is most pixel unit column with the first subarray 211 in include the least pixel of pixel unit number
Cell columns are connected with same data line, and so on.
When two or more pixel units are connected with identical grid line and identical data line simultaneously, this two
A or more than two pixel units just lose the independence of pixel unit, in order to avoid such case, it is also necessary to grid
The layout of line and data line is comprehensively considered.
Such as shown in Fig. 3, k be equal to 7, j be equal to 3, i.e. the first subarray 211 include the 1st to the 3rd row pixel unit, second
Subarray 212 includes the 4th to line n pixel unit, the pixel for including in every row pixel unit in the 1st to the 3rd row pixel unit
The pixel unit number that number of unit includes in every row pixel unit into line n pixel unit less than 7, the 4th is more than or equal to 7.
The first part 212a of a rectangular array comprising n-j row m-6 column, the second subarray will be marked off in second subarray 212
In rest part be denoted as second part.1st row pixel unit (being located in the first subarray 211) and the (n-1)th row pixel unit
(be located at the second subarray 212 in) common gate polar curve G [y-1], the 2nd row pixel unit (being located in the first subarray 211) and the
N-2 row pixel unit (is located in the second subarray 212) common gate polar curve G [y-2], each pixel in line n pixel unit
Unit is connected with gate lines G [y].Pixel unit P [n] [1], P [1] [1], P [2] [2] and P [3] [3] shared data line D
[1], pixel unit P [n] [2], P [n-1] [1], P [2] [1] and P [3] [2] shared data line D [2], pixel unit P [n]
[3], P [n-1] [2], P [n-2] [1] and P [3] [1] shared data line D [3]；Similarly, pixel unit P [n] [m], P [1]
[2], P [2] [3] and P [3] [4] shared data line D [m], pixel unit P [n] [m-1], P [n-1] [m-2], P [2] [4] with
And P [3] [5] shared data line D [m-1], pixel unit P [n] [m-2], P [n-1] [m-3], P [n-2] [m-4] and P [3]
[6] shared data line D [m-2].
It should be noted that in the present embodiment, the value of j can be any non-zero natural number less than n, the value of k
The structure of pixel array shown in Fig. 3 can be not limited to for any non-zero natural number less than or equal to m.The present embodiment exists each
The obvious deformation of kind, such as the division of the first subarray and the second subarray can not be divided with behavior unit, and
It is divided as unit of single pixel unit, as long as these deformations are consistent in principle with this specification, then in this theory
In the protection scope of bright book.The structure of the display device of the present embodiment may be non-integration gate drive configuration, work as grid line
Inconvenience can use via hole and grid line be drawn out in another conductor layer when same conductor layer leads to gate driving circuit
Gate driving circuit is correctly connect with each grid line.In the diagram of this specification, shared data line and
Grid line is connected in such a way that right angle detours with multiple pixel units in multirow pixel unit or multiple pixel units column, so
And data line and grid line can detour at other angles, thus with the shape or display panel of the display area of display panel and
The shape of substrate realizes matching where gate driving circuit.
It is specifically described by taking the display panel of special-shaped (non-rectangle) shown in Fig. 4 as an example below.
Fig. 4 show a kind of specific embodiment of first embodiment of the invention gate lines, data lines and each pixel unit
Connection relationship diagram.
As shown in figure 4, the pixel array of display panel 210 includes the pixel unit of 5 rows 14 column, wherein the 1st row to the 5th
Row (arrange from top to bottom in diagram) stepped arrangement of pixel unit, the 1st row pixel unit includes 4 pixel unit P [1]
[1] to P [1] [4], the 2nd row pixel unit includes 6 pixel unit P [2] [1] to P [2] [6], and the 3rd row pixel unit includes 8
For a pixel unit P [3] [1] to P [3] [8], the 4th row pixel unit includes 10 pixel unit P [4] [1] to P [4] [10], and the 5th
Row pixel unit includes 14 pixel unit P [5] [1] to P [5] [14].
Pixel array is divided into the first subarray 211 and the second subarray 212, the first subarray 211 include the 1st row extremely
2nd row pixel unit includes the 3rd row to the 5th row pixel unit in the second subarray 212.It is first that second subarray 212, which divides,
Second part except point 212a and first part, wherein first part 212a include pixel unit P [3] [1] to P [3] [8],
Pixel unit P [4] [2] to P [4] [9] and pixel unit P [5] [4] to P [5] [12] are formed by rectangular array.
To make the pixel unit number being connected with each grid line reach balanced, the 1st row pixel unit (position of pixel array
In the first subarray 211) and the 4th row pixel unit (being located at the second subarray 212) shared one article of gate lines G [2], pixel array
The 2nd row pixel unit (be located at the first subarray 211) share one article with the 3rd row pixel unit (being located at the second subarray 212)
Gate lines G [1], each grid unit P [5] [1] in the 5th row pixel unit (be located at the second subarray 212) of pixel array to P
[5] [14] are connected with gate lines G [3].It is known that being 14 with gate lines G [1] to the pixel unit number that G [3] is connected
It is a, so that the load on each grid line has obtained equilibrium compared to traditional display device；And due to every grid line and two
Row pixel unit is connected, to realize the quantitative reduction of grid line, not only simplifies the wiring difficulty of grid line, also simplifies
The design for the driving circuit being connected with grid line.
When realizing the driving of pixel array shown in Fig. 3 using the structure of conventional display device 100 (as shown in Figure 1),
Need n item (n is, for example, 480) grid line, due to gate driving circuit need within each refresh cycle to n grid line one by one
It is scanned, therefore in a refresh cycle T, the charging time of each pixel unit in conventional display device is T/n.And
In the first embodiment of the present invention, it is only necessary to which (y is the non-zero natural number less than n to y item, and for example, 400) grid line can be driven
Pixel array shown in Fig. 3, gate driving circuit only need to scan y grid line one by one within each refresh cycle, therefore
In one refresh cycle T, the charging time of each pixel unit in the display device of the present embodiment is T/y, thus refreshing
The charging time of each pixel unit is extended under the premise of period is constant, and improves the charge efficiency (grid for needing to scan
Polar curve is reduced).
It, can in order to make the number for the pixel unit being connected with pieces of data line reach balanced with a grid lines matching step of going forward side by side
Rationally to be arranged with the data line in display panel, and guarantee what the pixel unit being connected with same grid line was connect
Data line is different.Specifically, as shown in figure 4, the 1st column pixel unit P [5] [1] in pixel array (is located at the second submatrix
The second part of column 212) with the 3rd column pixel unit P [1] [2] and the shared data of P [2] [3] in the first subarray 211
Line D [1], the 2nd column pixel unit P [5] [2] (positioned at the second part of the second subarray 212) and the first son in pixel array
The 2nd column pixel unit P [1] [1] and P [2] [2] in array 211 share a data line D [2], the 3rd column in pixel array
The 1st column in pixel unit P [4] [1] and P [5] [3] (positioned at the second part of the second subarray 212) and the first subarray 211
Pixel unit P [2] [1] shares a data line D [3], the 12nd column pixel unit P [5] [12] and P [4] in pixel array
[10] it is shared (positioned at the second part of the second subarray 212) with the 6th column pixel unit P [2] [6] in the first subarray 211
One data line D [12], the 13rd column pixel unit P [5] [13] in pixel array is (positioned at second of the second subarray 212
Point) with the 5th column pixel unit P [2] [5] and the shared data line D [13] of P [1] [4] in the first subarray 211, pixel battle array
In the 14th column pixel unit P [5] [14] (positioned at the second part of the second subarray 212) and the first subarray 211 in column
4th column pixel unit P [1] [3] and P [2] [4] shares a data line D [14].In the first part of second subarray 212
Data line D's each column pixel unit corresponding with one is connected respectively: pixel unit P [3] [1], P [42] [3] and P [5] [4] are shared
One data line D [4], pixel unit P [3] [2], P [4] [3] and P [5] [5] share a data line D [5], pixel unit P
[3] [3], P [4] [4] and P [5] [6] share a data line D [6], and pixel unit P [3] [4], P [4] [5] and P [5] [7] are altogether
With a data line D [7], pixel unit P [3] [5], P [4] [6] and P [5] [8] share a data line D [8], and so on,
Pixel unit P [3] [8], P [4] [9] and P [5] [12] share a data line D [12].It is known that data line D [1] to D
[12] 3 pixel units are connected on, number of pixel cells purpose is balanced to realize on each data line, that is, realizes each item
The equilibrium of load on data line.
When realizing the driving of pixel array shown in Fig. 4 using the structure of conventional display device 100 (as shown in Figure 1),
5 grid lines are needed, since gate driving circuit needs to be scanned 5 grid lines one by one within each refresh cycle, because
In this refresh cycle T, the charging time of each pixel unit in conventional display device is T/5.And of the invention
In one embodiment, it is only necessary to which pixel array shown in Fig. 4 can be driven in 3 grid lines, and gate driving circuit is only needed each
3 grid lines are scanned one by one in refresh cycle, therefore in a refresh cycle T, each of display device of the present embodiment
The charging time of pixel unit is T/3, thus when extending the charging of each pixel unit under the premise of the refresh cycle is constant
Between, and improve charge efficiency (grid line for needing to scan is reduced).
The beneficial effect of the display device of first embodiment of the invention is: by a plurality of grid line in display panel
At least one grid line is connected at least two row pixel units, so that the pixel unit number being connected on each grid line obtains
Weighing apparatus, so that the load difference on each grid line be made to reduce；Due to the reduction of grid line total quantity, display device can be simplified
Wiring, to further realize the narrow frame of display device and the simplification of driving circuit；In the refresh cycle of display device
The number of the interior grid line for needing to scan is reduced, to extend the charging time of each pixel unit, improves charge efficiency.
Fig. 5 shows the flow diagram of the driving method of the display device of second embodiment of the invention.The driving method packet
Include step S301 to S302.
The driving method of second embodiment of the invention is for example based on display device 200 described in above-mentioned first embodiment.
In step S301, according to the display device in each pixel unit, each grid line and each multiple data lines
Connection relationship and positional relationship establish look-up table.
Due in display device 200, each gate lines G be not it is one-to-one with each row pixel unit, therefore, it is necessary to roots
Look-up table is established according to the position of each pixel unit and the connection relationship of each grid line, each data line, and is stored in display device
In 200 driving circuit.
In step s 302, corresponding gate drive signal and source electrode are applied to each pixel unit according to look-up table
Driving signal, so that each pixel unit be enable to receive correct source drive letter when being gated by gate drive signal
Number, to show correct grayscale.
The beneficial effect of the driving method of second embodiment of the invention is: by a plurality of grid line in display panel
At least one grid line is connected at least two row pixel units, so that the pixel unit number being connected on each grid line obtains
Weighing apparatus, so that the load difference on each grid line be made to reduce；Due to the reduction of grid line total quantity, display device can be simplified
Wiring, to further realize the narrow frame of display device and the simplification of driving circuit；In the refresh cycle of display device
The number of the interior grid line for needing to scan is reduced, to extend the charging time of each pixel unit, improves charge efficiency.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It is as described above according to the embodiment of the present invention, these embodiments details all there is no detailed descriptionthe, also not
Limiting the invention is only the specific embodiment.Obviously, as described above, can make many modifications and variations.This explanation
These embodiments are chosen and specifically described to book, is principle and practical application in order to better explain the present invention, thus belonging to making
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.
Claims (10)
1. a kind of display device, comprising:
Display panel, including a plurality of grid line, multiple data lines and the pixel array being arranged in by multiple pixel units, each
One of the pixel unit and described a plurality of grid line are connected to receive gate drive signal, each pixel unit with it is described
One of multiple data lines are connected to receive source drive signal；
Driving circuit is used to provide a plurality of grid line respectively the gate drive signal, and for described a plurality of
Data line provides the source drive signal respectively,
It is characterized in that, the pixel unit number at least two pixel unit rows is not identical in the pixel array；It is described
At least one grid line in a plurality of grid line is connected with pixel unit described at least two rows in the pixel array, with
The connected each pixel unit of grid line described in same is separately connected the different data lines；The multiple data lines
In at least one data line and the pixel array in be distributed at least two pixel units column in multiple pictures
Plain unit is connected.
2. display device according to claim 1, which is characterized in that the pixel array includes the pixel list of n row m column
Member, the 1st row to the stepped arrangement of line n pixel unit, the pixel unit number of the line n pixel unit are greater than described the
The pixel unit number of one-row pixels unit.
3. display device according to claim 2, which is characterized in that the pixel array is divided into the first subarray and second
Subarray, first subarray includes the 1st row of the pixel array to jth row pixel unit, in second subarray
For+1 row of jth comprising the pixel array to line n, each row pixel unit number in first subarray is less than k, described
Each row pixel unit number in second subarray is non-zero natural number more than or equal to k, j and k and j is less than n,
Picture described in pixel unit described at least a line in first subarray and at least a line in second subarray
One grid line of plain units shared.
4. display device according to claim 3, which is characterized in that the pixel unit line number of first subarray is equal to
The pixel unit line number of second subarray subtracts 1, and the of the pth row pixel unit of the pixel array and the pixel array
N-p row pixel unit shares a grid line, and line n pixel unit individually corresponds to a grid line, p be less than etc.
In the non-zero natural number of n.
5. display device according to claim 3, which is characterized in that second subarray is divided into first part and described
Second part except first part, the rectangle battle array that the pixel unit composition line number in the first part is n-j
Column,
Each column pixel unit of the first part is corresponding with a data line respectively to be connected,
At least one column picture in at least one column pixel unit of the second part and first subarray
One data line of plain units shared.
6. display device according to claim 5, which is characterized in that the pixel unit for including in first subarray
It is few comprising pixel unit number first in the pixel unit column of number more than first and the second part of second subarray
Pixel unit, which arranges, shares a data line, the pixel of the pixel unit number more than second for including in first subarray
The pixel unit column few comprising pixel unit number second in the second part of cell columns and second subarray share one
Data line described in item, and so on.
7. display device according to claim 5 or 6, which is characterized in that the driving circuit includes:
Gate driving circuit comprising be integrated in multiple drive element of the grid on same substrate with the display panel, each
The drive element of the grid is corresponding with a grid line respectively to be connected to provide the corresponding gate drive signal；
Source electrode drive circuit is used to provide the source drive signal respectively by the multiple data lines.
8. display device according to claim 7, which is characterized in that the substrate has in the row side of the pixel array
Opposite first edge area and second edge area upwards, the multiple drive element of the grid are placed in the first edge area and described
In second edge area.
9. display device according to claim 8, which is characterized in that the substrate has in the column side of the pixel array
Opposite third marginal zone and the 4th marginal zone upwards, the source electrode drive circuit is adjacent with the 4th marginal zone,
The data that first subarray is connected with the pixel unit in the second part of second subarray
Line detours in the third marginal zone,
The multiple data lines extend in the 4th marginal zone to outside the substrate to be connected with the source electrode drive circuit.
10. a kind of driving method of display device, which is characterized in that the display device includes:
Display panel, including a plurality of grid line, multiple data lines and the pixel array being arranged in by multiple pixel units, each
One of the pixel unit and described a plurality of grid line are connected to receive gate drive signal, each pixel unit with it is described
One of multiple data lines are connected to receive source drive signal；
Driving circuit is used to provide a plurality of grid line respectively the gate drive signal, and for described a plurality of
Data line provides the source drive signal respectively,
In the pixel array, the pixel unit number at least two pixel unit rows is not identical；The a plurality of grid line
In at least one grid line be connected with pixel unit described at least two rows in the pixel array, and described in same
The connected each pixel unit of grid line is separately connected the different data lines；At least one in the multiple data lines
The multiple pixel units being distributed at least two pixel units column in data line described in item and the pixel array are connected；
The driving method includes:
According to the connection relationship and positional relationship of the multiple pixel unit, a plurality of grid line and the multiple data lines
Establish look-up table；
The corresponding gate drive signal and the source drive are applied to each pixel unit according to the look-up table
Signal.
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| CN107300814B (en) * | 2017-07-31 | 2023-10-13 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
| CN107315295A (en) * | 2017-07-31 | 2017-11-03 | 广东欧珀移动通信有限公司 | Array base palte, display panel and electronic equipment |
| CN108646485A (en) * | 2018-05-04 | 2018-10-12 | 昆山国显光电有限公司 | Display panel and display device |
| CN108646484B (en) * | 2018-05-04 | 2021-08-13 | 昆山国显光电有限公司 | Display panel and display device |
| CN109285494B (en) * | 2018-10-31 | 2021-10-15 | 厦门天马微电子有限公司 | Special-shaped array substrate, display panel and display device |
| CN111681535A (en) * | 2020-06-22 | 2020-09-18 | Oppo广东移动通信有限公司 | Display panel and display device |
| US20230033702A1 (en) | 2020-12-23 | 2023-02-02 | Hefei Boe Joint Technology Co.,Ltd. | Display panel and display apparatus |
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