CN105629539A - Driving method and driving circuit of display device and display device - Google Patents
Driving method and driving circuit of display device and display device Download PDFInfo
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- CN105629539A CN105629539A CN201610197500.8A CN201610197500A CN105629539A CN 105629539 A CN105629539 A CN 105629539A CN 201610197500 A CN201610197500 A CN 201610197500A CN 105629539 A CN105629539 A CN 105629539A
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- Liquid Crystal Display Device Control (AREA)
Abstract
The invention provides a driving method and a driving circuit of a display device and the display device and relates to the technical field of displays in order to increase the aperture ratio. The display device comprises an array substrate, at least one grid electrode driving circuit and at least one source electrode driving circuit, wherein the array substrate comprises a plurality of grid lines and a plurality of data lines. The method includes the steps that a display area of the array substrate is divided into at least two sub-areas in the direction of the data lines, and each sub-area comprises at least one grid line; corresponding charging time is set for the grid lines of the sub-areas, the average charging time of the grid lines in the sub-areas tends to be prolonged along with increase of vertical distances between the sub-areas and areas where the source electrode driving circuits at the specific ends of the data lines are located; the grid lines of the sub-areas are sequentially charged for the corresponding period of time. The driving method and the driving circuit of the display device and the display device are mainly used in the display technology.
Description
Technical field
The present invention relates to display technology field, particularly relate to the driving method of a kind of display unit, driving circuit and display unit.
Background technology
Thin Film Transistor-LCD (TFT-LCD) has the features such as volume is little, low in energy consumption, radiationless, occupies dominant position in current flat panel display market. For TFT-LCD, product performance are had important impact by the structure of array substrate and manufacturing process. Wherein, the parameters such as the rate of charging of pixel, opening rate weigh the important parameter of product performance, but the load of array substrate (RCloading) is the important factor affecting rate of charging and opening rate.
Along with the resolving power of TFT-LCD improves, PPI (Pixelperinch) increases, and the array substrate interior pixel quantity of same size increases, thus the load (RCloading) causing array substrate increases, and the delay of signal increases.
In prior art, grid line or data line on array substrate are straight line. In order to reduce signal delay, usually adopting the method increasing grid line or data line critical size in array substrate, namely increase grid line or data line are along the cross-sectional width of width, reduce the line resistance of grid line or data line, thus the problem that mitigation signal postpones.
But, although the cross-sectional width increasing grid line or data line can postpone by mitigation signal, but under the prerequisite that array substrate area is fixed relatively, the cross-sectional width increasing grid line or data line then can reduce the territory, effective display area of array substrate, thus the opening rate causing TFT-LCD reduces.
Summary of the invention
In view of this, the present invention provides the driving method of a kind of display unit, driving circuit and display unit, in order to carry high aperture.
For solving the problems of the technologies described above, the present invention provides the driving method of a kind of display unit, and described display unit comprises: comprise the array substrate of many grid lines and a plurality of data lines, at least one gate driver circuit, at least one source electrode drive circuit; Described method comprises:
Along described data line direction, the display area of described array substrate is divided at least two sub regions, and wherein subregion described in each comprises at least one grid line;
The each grid line being respectively all subregion arranges the corresponding duration of charging, wherein, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency;
It is followed successively by the duration of charging that each grid line charging of described all subregion is corresponding.
Wherein, when the display area of described array substrate is divided into two sub regions along the direction of described data line, described in be respectively all subregion each grid line the corresponding duration of charging be set comprise:
The each grid line being respectively in described two sub regions in the first subregion arranges the duration of charging, is that each grid line in the 2nd subregion arranges the duration of charging;
Wherein said first subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the first distance, described 2nd subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the 2nd distance, described first distance is greater than described 2nd distance, and in described first subregion, the average charge time of each grid line is greater than the average charge time of each grid line in described 2nd subregion.
Wherein, the average charge time of described all subregion each grid line meets following relation:
t1��l1+t2��l2=1/f=t �� l; l1+l2=l;
Wherein t1Represent the average charge time of each grid line in described first subregion, t2Represent the average charge time of each grid line in described 2nd subregion, l1Represent the grid line number of described first subregion, l2Representing the grid line number of described 2nd subregion, f represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unit2< t < t1, l represents total grid line number of the display area of described array substrate.
Wherein, when the display area of described array substrate to be divided into the subregion of more than three along the direction of described data line, described in be respectively all subregion each grid line the corresponding duration of charging be set comprise:
The each grid line being respectively in the subregion of described more than three in the i-th sub regions arranges the duration of charging, wherein, and tN��ti< t1Or tN< ti��t1, dN< di< d1;
Wherein, t1Represent the average charge time of each grid line in the first sub regions, tiRepresent the average charge time of each grid line in the i-th sub regions, tNRepresent the average charge time of each grid line in N number of subregion; d1Represent the vertical range that described first sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, diRepresent the vertical range that described i-th sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, dNRepresent the vertical range that described N number of subregion distance is arranged on described data line and specifies the source electrode drive circuit region of one end; The total quantity of the i subregion that to be natural number and 1��i��N, N be divides.
Wherein, in described all subregion, the average charge time of each grid line meets following relation:
t1��l1+...+ti��li+...+tN��lN=1/f=t �� l; l1+li+...+lN=l;
Wherein, t1Represent the average charge time of grid line in the first sub regions, tiRepresent the average charge time of grid line in the i-th sub regions, tNRepresent the average charge time of grid line in N number of subregion; l1Represent the grid line number of described first sub regions, liRepresent the grid line number of described i-th sub regions, lNRepresent the grid line number of described N number of subregion; F represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unitN< t < t1, l represents total grid line number of the display area of described array substrate.
Second aspect, the present invention provides the driving circuit of a kind of display unit, and described display unit comprises: comprise the array substrate of many grid lines and a plurality of data lines, at least one gate driver circuit, at least one source electrode drive circuit; Described circuit comprises:
Division module, for the display area of described array substrate is divided at least two sub regions along the direction of described data line, wherein subregion described in each comprises at least one grid line;
Module is set, for being respectively each grid line of all subregion, the corresponding duration of charging is set, wherein, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency;
Charging module, for being followed successively by the duration of charging of each grid line charging correspondence of described all subregion.
Wherein, when the display area of described array substrate is divided into two sub regions along the direction of described data line, described arrange module specifically for:
The each grid line being respectively in described two sub regions in the first subregion arranges the duration of charging, is that each grid line in the 2nd subregion arranges the duration of charging;
Wherein said first subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the first distance, described 2nd subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the 2nd distance, described first distance is greater than described 2nd distance, and in described first subregion, the average charge time of each grid line is greater than the average charge time of each grid line in described 2nd subregion.
Wherein, when the display area of described array substrate to be divided into the subregion of more than three along the direction of described data line, described arrange module specifically for:
The each grid line being respectively in the subregion of described more than three in the i-th sub regions arranges the duration of charging, wherein, and tN��ti< t1Or tN< ti��t1, dN< di< d1;
Wherein, t1Represent the average charge time of each grid line in the first sub regions, tiRepresent the average charge time of each grid line in the i-th sub regions, tNRepresent the average charge time of each grid line in N number of subregion; d1Represent the vertical range that described first sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, diRepresent the vertical range that described i-th sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, dNRepresent the vertical range that described N number of subregion distance is arranged on described data line and specifies the source electrode drive circuit region of one end; The total quantity of the i subregion that to be natural number and 1��i��N, N be divides.
The third aspect, the present invention provides a kind of display unit, comprises the driving circuit of aforesaid display unit.
The useful effect of the technique scheme of the present invention is as follows:
In embodiments of the present invention, the display area of array substrate is divided at least two sub regions along data line direction, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency. So, when charging, for the grid line in the subregion that distance sources driving circuit region is far away, owing to the duration of charging of its correspondence is long, even if so also can ensure abundant charging when the line resistance of grid line or data line is bigger. Therefore, utilize grid line or data line that the scheme of the embodiment of the present invention can adopt line resistance relatively large. Owing to line resistance is relatively large, therefore the cross-sectional width of grid line or data line can relative narrower. Thus, compared with prior art, utilize the scheme of the embodiment of the present invention can carry high aperture.
Accompanying drawing explanation
Fig. 1 is the schema of the driving method of the display unit of the embodiment of the present invention one;
Fig. 2 arranges schematic diagram at the schematic subregion mode of the embodiment of the present invention two and the duration of charging of all subregion;
Fig. 3 is the schematic diagram of the driving circuit of the display unit of the embodiment of the present invention three.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail. Following examples are for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, the driving method of the display unit of the embodiment of the present invention one comprises:
Step 11, along data line direction, the display area of the array substrate of display unit being divided at least two sub regions, wherein subregion described in each comprises at least one grid line.
Content according to prior art is it will be seen that described display unit can comprise: comprise the array substrate of many grid lines and a plurality of data lines, at least one gate driver circuit, at least one source electrode drive circuit. Wherein grid line and data line transverse and longitudinal intersection are arranged.
In embodiments of the present invention, described source electrode drive circuit can be arranged on the first end of described data line, it is also possible to is arranged on the 2nd end of data line, or is arranged on the two ends of data line simultaneously. But, no matter how source electrode drive circuit is arranged, and the source electrode drive circuit being all certain one end to be arranged on data line in embodiments of the present invention such as, as with reference to being described, being arranged on the source electrode drive circuit of the first end of described data line. The source electrode drive circuit below mentioned all is described to be arranged on the source electrode drive circuit (hereinafter referred to as the first source electrode drive circuit) of the first end of data line.
In embodiments of the present invention, the display area of array substrate is divided at least two sub regions (horizontal partition by array substrate) along the direction of data line, in every sub regions, at least comprises at least one grid line. In embodiments of the present invention, the quantity of the subregion of division is not limited. Certainly, in order to make the opening rate of display unit obtain ideal value, the quantity of the subregion of division is The more the better.
Step 12, each grid line being respectively all subregion arrange the corresponding duration of charging, wherein, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency.
In this step, being arranged on described data line specifies the source electrode drive circuit of one end can think the first above-mentioned source electrode drive circuit. Along with the increase of vertical range between all subregion and the first source electrode drive circuit region, the line resistance of data line increases. Therefore, for ensureing the charging to the grid line in these subregions, in this embodiment, along with the increase of vertical range between described all subregion and the first source electrode drive circuit region, it is on the whole in increase tendency by the average charge set of time of grid line each in described all subregion.
Wherein referring to see on the whole on the average charge time of each grid line in all subregion " on the whole in increase tendency " is increase. Also namely along with the increase of all subregion and the spacing of described first source electrode drive circuit, in all subregion, the average charge time of each grid line there will not be the situation of reduction. So, this process comprises the average charge set of time of each grid line in some subregion is equal situation. But, the duration of charging of the subregion nearest apart from described first source electrode drive circuit region is less than the duration of charging of distance the first source electrode drive circuit region subregion the farthest away usually.
When the distance determined between all subregion and the first source electrode drive circuit region, it is possible to any point in all subregion is for calculating with reference to starting. Certainly in order to improve accuracy, can all taking the central point of all subregion as reference at this. Described first source electrode drive circuit region can refer to any one specified location of the first source electrode drive circuit region, such as, can be any point in this first source electrode drive circuit itself or this region.
In embodiments of the present invention, the duration of charging that certain sub regions is corresponding equals the duration of charging sum that in this subregion, each grid line is corresponding. And the duration of charging for each grid line in this region, can be set to all identical at this, it is also possible to be set to different.
Hereinafter citing describes the set-up mode in all subregion duration of charging under different dividing mode.
The first situation: the display area of described array substrate is divided into two sub regions along the direction of described data line.
In this case, each grid line being respectively in described two sub regions in the first subregion arranges the duration of charging, is that each grid line in the 2nd subregion arranges the duration of charging; Wherein said first subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the first distance, described 2nd subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the 2nd distance, described first distance is greater than described 2nd distance, and in described first subregion, the average charge time of each grid line is greater than the average charge time of each grid line in described 2nd subregion.
Concrete, under this kind of dividing mode, the average charge time of described all subregion each grid line meets following formula (1) and the relation of formula (2):
t1��l1+t2��l2=1/f=t �� l (1)
l1+l2=l (2)
Wherein t1Represent the average charge time of each grid line in described first subregion, t2Represent the average charge time of each grid line in described 2nd subregion, l1Represent the grid line number of described first subregion, l2Representing the grid line number of described 2nd subregion, f represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unit2< t < t1, l represents total grid line number of the display area of described array substrate, i.e. longitudinal resolving power of described display unit.
2nd kind of situation: the subregion that the display area of described array substrate is divided into along the direction of described data line more than three.
In this case, each grid line being respectively in the subregion of described more than three in the i-th sub regions arranges the duration of charging, wherein, and tN��ti< t1Or tN< ti��t1, dN< di< d1;
Wherein, wherein, t1Represent the average charge time of each grid line in the first sub regions, tiRepresent the average charge time of each grid line in the i-th sub regions, tNRepresent the average charge time of each grid line in N number of subregion; d1Represent the vertical range that described first sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, diRepresent the vertical range that described i-th sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, dNRepresent the vertical range that described N number of subregion distance is arranged on described data line and specifies the source electrode drive circuit region of one end; The total quantity of the i subregion that to be natural number and 1��i��N, N be divides.
Concrete, under this kind of dividing mode, in described all subregion, the average charge time of each grid line meets following formula (3) and the relation of formula (4):
t1��l1+...+ti��li+...+tN��lN=1/f=t �� l (3)
l1+li+...+lN=l (4)
Wherein, t1Represent the average charge time of grid line in the first sub regions, tiRepresent the average charge time of grid line in the i-th sub regions, tNRepresent the average charge time of grid line in N number of subregion; l1Represent the grid line number of described first sub regions, liRepresent the grid line number of described i-th sub regions, lNRepresent the grid line number of described N number of subregion; F represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unitN< t < t1, l represents total grid line number of the display area of described array substrate, i.e. longitudinal resolving power of described display unit.
In embodiments of the present invention, the average charge time of the grid line of t and described display unit can be the value measured in advance.
Accordingly descend all subregion duration of charging relation is set, to be divided into four sub regions, four sub regions of division be respectively first, second, third, fourth subregion and and the first source driving chip region between vertical range increase gradually. Wherein, but in first, second subregion, the average charge time of each grid line can be set to the identical average charge time being less than each grid line in the 3rd subregion, and in the 3rd subregion, the average charge time of each grid line is less than again the average charge time of each grid line in the 4th subregion. Or, in the first to the 4th subregion, the average charge time of each grid line increases gradually.
The duration of charging that the charging of step 13, each grid line being followed successively by described all subregion is corresponding.
Under the control of sequential control device, gate driver circuit drives the grid of the TFT being connected with grid line to open or close, and when the grid of TFT is opened, source electrode drive circuit exports corresponding actuate signal to data line. For the grid line in every sub regions, is controlled to the duration of charging of its correspondence its duration of charging.
In embodiments of the present invention, the display area of array substrate is divided at least two sub regions along data line direction, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the described source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency. So, when charging, for the grid line in the subregion that distance sources driving circuit region is far away, owing to the duration of charging of its correspondence is long, even if so also can ensure abundant charging when the line resistance of grid line or data line is bigger. Therefore, utilize grid line or data line that the scheme of the embodiment of the present invention can adopt line resistance relatively large. Owing to line resistance is relatively large, therefore the cross-sectional width of grid line or data line can relative narrower. Thus, compared with prior art, utilize the scheme of the embodiment of the present invention can carry high aperture.
And, in embodiments of the present invention, owing to the region that source electrode drive circuit of adjusting the distance is far away adopts longer duration of charging charging, therefore, adopt the mode of monolateral driving can complete charging in embodiments of the present invention, thus reduce cost compared with the mode of bilateral driving of the prior art.
As shown in Figure 2, in the embodiment of the present invention two, the display area of array substrate is divided into three sub regions along data line direction, it is respectively region 1, region 2, region 3. Wherein source electrode drive circuit 1 is arranged on one end of data line, also i.e. lower end in figure. For making the duration of charging arranged more accurate, at this with the central point in each region as a reference. The vertical range of the width between centers source electrode drive circuit 1 in 1-region, region 3 increases gradually, is respectively: d1, d2, d3And d1< d2< d3, so, in 1-region, region 3, the average charge time of each grid line increases successively.
In this embodiment, average charge set of time by grid line each in region 1 is t1, in region 2, the average charge set of time of each grid line is t2, in region 3, the average charge set of time of each grid line is t3��
The above-mentioned time meets following relation: t1��l1+t2��l2+t3��l3=1/f=t �� l
Wherein f represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unit1< t < t3, l1Represent the grid line number in described region 1, l2Represent the grid line number in described region 2, l3Representing the grid line number in described region 3, l represents total grid line number of the display area of described array substrate.
Utilize the scheme of the embodiment of the present invention, be possible not only to carry high aperture, and due to the average charge time of grid line each in all subregion more reasonable, therefore can also make array substrate pixel rate of charging evenly. And, in embodiments of the present invention, owing to the region that source electrode drive circuit of adjusting the distance is far away adopts longer duration of charging charging, therefore, adopt the mode of monolateral driving can complete charging in embodiments of the present invention, thus reduce cost compared with the mode of bilateral driving of the prior art.
As shown in Figure 3, it is shown that the driving circuit of the display unit of the embodiment of the present invention two. This driving circuit comprises: division module 31, and for the display area of described array substrate is divided at least two sub regions along the direction of described data line, wherein subregion described in each comprises at least one grid line; Module 32 is set, for being respectively each grid line of all subregion, the corresponding duration of charging is set, wherein, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency; Charging module 33, for being followed successively by the duration of charging of each grid line charging correspondence of described all subregion.
In a particular application, described display unit comprises: comprise the array substrate of many grid lines and a plurality of data lines, at least one gate driver circuit, at least one source electrode drive circuit.
As previously mentioned, the display area of array substrate can be divided into the subregion of different quantities. When the display area of described array substrate is divided into two sub regions along the direction of described data line, described arrange module 32 specifically for: each grid line being respectively in described two sub regions in the first subregion arranges the duration of charging, is that each grid line in the 2nd subregion arranges the duration of charging;
Wherein said first subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the first distance, described 2nd subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the 2nd distance, described first distance is greater than described 2nd distance, and in described first subregion, the average charge time of each grid line is greater than the average charge time of each grid line in described 2nd subregion.
When the display area of described array substrate to be divided into the subregion of more than three along the direction of described data line, described arrange module 32 specifically for: each grid line being respectively in the subregion of described more than three in the i-th sub regions arranges the duration of charging, wherein, tN��ti< t1Or tN< ti��t1, dN< di< d1;
Wherein, t1Represent the average charge time of each grid line in the first sub regions, tiRepresent the average charge time of each grid line in the i-th sub regions, tNRepresent the average charge time of each grid line in N number of subregion; d1Represent the vertical range that described first sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, diRepresent the vertical range that described i-th sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, dNRepresent the vertical range that described N number of subregion distance is arranged on described data line and specifies the source electrode drive circuit region of one end; The total quantity of the i subregion that to be natural number and 1��i��N, N be divides.
In embodiments of the present invention, the display area of array substrate is divided at least two sub regions along data line direction, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency. So, when charging, for the grid line in the subregion that distance sources driving circuit region is far away, owing to the duration of charging of its correspondence is long, even if so also can ensure abundant charging when the line resistance of grid line or data line is bigger. Therefore, utilize grid line or data line that the scheme of the embodiment of the present invention can adopt line resistance relatively large. Owing to line resistance is relatively large, therefore the cross-sectional width of grid line or data line can relative narrower. Thus, compared with prior art, utilize the scheme of the embodiment of the present invention can carry high aperture.
In addition, the embodiment of the present invention additionally provides a kind of display unit, comprises the driving circuit of aforesaid display unit.
The above is the preferred embodiment of the present invention; it is noted that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also making some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a driving method for display unit, described display unit comprises: comprise the array substrate of many grid lines and a plurality of data lines, at least one gate driver circuit, at least one source electrode drive circuit; It is characterized in that, described method comprises:
Along described data line direction, the display area of described array substrate is divided at least two sub regions, and wherein subregion described in each comprises at least one grid line;
The each grid line being respectively all subregion arranges the corresponding duration of charging, wherein, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency;
It is followed successively by the duration of charging that each grid line charging of described all subregion is corresponding.
2. method according to claim 1, it is characterised in that, when the display area of described array substrate is divided into two sub regions along the direction of described data line, described in be respectively all subregion each grid line the corresponding duration of charging be set comprise:
The each grid line being respectively in described two sub regions in the first subregion arranges the duration of charging, is that each grid line in the 2nd subregion arranges the duration of charging;
Wherein said first subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the first distance, described 2nd subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the 2nd distance, described first distance is greater than described 2nd distance, and in described first subregion, the average charge time of each grid line is greater than the average charge time of each grid line in described 2nd subregion.
3. method according to claim 2, it is characterised in that, the average charge time of described all subregion each grid line meets following relation:
t1��l1+t2��l2=1/f=t �� l; l1+l2=l;
Wherein t1Represent the average charge time of each grid line in described first subregion, t2Represent the average charge time of each grid line in described 2nd subregion, l1Represent the grid line number of described first subregion, l2Representing the grid line number of described 2nd subregion, f represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unit2< t < t1, l represents total grid line number of the display area of described array substrate.
4. method according to claim 1, it is characterised in that, when the display area of described array substrate to be divided into the subregion of more than three along the direction of described data line, described in be respectively all subregion each grid line the corresponding duration of charging be set comprise:
The each grid line being respectively in the subregion of described more than three in the i-th sub regions arranges the duration of charging, wherein, and tN��ti< t1Or tN< ti��t1, dN< di< d1;
Wherein, t1Represent the average charge time of each grid line in the first sub regions, tiRepresent the average charge time of each grid line in the i-th sub regions, tNRepresent the average charge time of each grid line in N number of subregion; d1Represent the vertical range that described first sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, diRepresent the vertical range that described i-th sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, dNRepresent the vertical range that described N number of subregion distance is arranged on described data line and specifies the source electrode drive circuit region of one end; The total quantity of the i subregion that to be natural number and 1��i��N, N be divides.
5. method according to claim 4, it is characterised in that, in described all subregion, the average charge time of each grid line meets following relation:
t1��l1+...+ti��li+...+tN��lN=1/f=t �� l; l1+li+...+lN=l;
Wherein, t1Represent the average charge time of grid line in the first sub regions, tiRepresent the average charge time of grid line in the i-th sub regions, tNRepresent the average charge time of grid line in N number of subregion; l1Represent the grid line number of described first sub regions, liRepresent the grid line number of described i-th sub regions, lNRepresent the grid line number of described N number of subregion; F represents the refreshing frequency of described display unit, and t represents average charge time and the t of the grid line of described display unitN< t < t1, l represents total grid line number of the display area of described array substrate.
6. a driving circuit for display unit, described display unit comprises: comprise the array substrate of many grid lines and a plurality of data lines, at least one gate driver circuit, at least one source electrode drive circuit; It is characterized in that, described circuit comprises:
Division module, for the display area of described array substrate is divided at least two sub regions along the direction of described data line, wherein subregion described in each comprises at least one grid line;
Module is set, for being respectively each grid line of all subregion, the corresponding duration of charging is set, wherein, along with described all subregion and be arranged on the increase that described data line specifies vertical range between the source electrode drive circuit region of one end, in described all subregion, the average charge time of each grid line is on the whole in increase tendency;
Charging module, for being followed successively by the duration of charging of each grid line charging correspondence of described all subregion.
7. circuit according to claim 6, it is characterised in that, when the display area of described array substrate is divided into two sub regions along the direction of described data line, described arrange module specifically for:
The each grid line being respectively in described two sub regions in the first subregion arranges the duration of charging, is that each grid line in the 2nd subregion arranges the duration of charging;
Wherein said first subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the first distance, described 2nd subregion distance is arranged on described data line and specifies the vertical range of source electrode drive circuit region of one end to be the 2nd distance, described first distance is greater than described 2nd distance, and in described first subregion, the average charge time of each grid line is greater than the average charge time of each grid line in described 2nd subregion.
8. device according to claim 6, it is characterised in that, when the display area of described array substrate to be divided into the subregion of more than three along the direction of described data line, described arrange module specifically for:
The each grid line being respectively in the subregion of described more than three in the i-th sub regions arranges the duration of charging, wherein, and tN��ti< t1Or tN< ti��t1, dN< di< d1;
Wherein, t1Represent the average charge time of each grid line in the first sub regions, tiRepresent the average charge time of each grid line in the i-th sub regions, tNRepresent the average charge time of each grid line in N number of subregion; d1Represent the vertical range that described first sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, diRepresent the vertical range that described i-th sub regions distance is arranged on described data line and specifies the source electrode drive circuit region of one end, dNRepresent the vertical range that described N number of subregion distance is arranged on described data line and specifies the source electrode drive circuit region of one end; The total quantity of the i subregion that to be natural number and 1��i��N, N be divides.
9. a display unit, it is characterised in that, comprise the driving circuit of the arbitrary described display unit of claim 6-8.
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