CN103268048B - A kind of array base palte, display device and driving method - Google Patents
A kind of array base palte, display device and driving method Download PDFInfo
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- CN103268048B CN103268048B CN201310154111.3A CN201310154111A CN103268048B CN 103268048 B CN103268048 B CN 103268048B CN 201310154111 A CN201310154111 A CN 201310154111A CN 103268048 B CN103268048 B CN 103268048B
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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
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
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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
- G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
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- Microelectronics & Electronic Packaging (AREA)
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- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
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Abstract
The invention provides a kind of array base palte, display device and driving method, relate to display technique field, the visual angle of liquid crystal display can be increased.A kind of array base palte, comprising: comprise N article of scan signal line and N+1 article of scan signal line; Comprise M article of data signal line; Pixel cell, comprises the first sub-pixel and the second sub-pixel; First switch element, its control end is electrically connected with N article of scan signal line; Its input end is electrically connected with M article of data signal line; Its output terminal is electrically connected with the first pixel electrode; Second switch unit, its control end is electrically connected with N article of scan signal line; Its input end is electrically connected with M article of data signal line; Its output terminal is electrically connected with the second pixel electrode; 3rd switch element, its control end is electrically connected with N+1 article of scan signal line; Its input end provides input signal; Its output terminal is electrically connected with the second pixel electrode.The present invention is applicable to the Design and manufacture of display device.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of array base palte, display device and driving method.
Background technology
Liquid crystal indicator utilizes electric field by LCD Controlling translucidus to show image.According to the direction of an electric field driving liquid crystal, liquid crystal indicator is roughly divided into vertical electric field driving driving with horizontal component of electric field.Vertical electric field electric field type liquid crystal display device is public electrode positioned opposite to each other and pixel electrode on upper and lower base plate, forms vertical electric field to drive liquid crystal between described public electrode and pixel electrode.Horizontal component of electric field electric field type liquid crystal display device arranges public electrode and pixel electrode on infrabasal plate, forms the electric field of level to drive liquid crystal between described public electrode and pixel electrode.
Although horizontal electric field type LCD device has advantage with great visual angle than vertical electric field type liquid crystal display device, but along with the size of liquid crystal indicator is increasing, horizontal electric field type LCD device also cannot meet the requirement of people to wide viewing angle, particularly the wide-screen liquid crystal display device of more than 40 cun.
Summary of the invention
Embodiments of the invention provide a kind of array base palte, display device and driving method, and the display device comprising described array base palte can realize more wide viewing angle.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The invention provides a kind of array base palte, comprising:
Multi-strip scanning signal wire, comprises N article of scan signal line and N+1 article of scan signal line, and wherein N is positive integer;
Many data signal lines, comprise M article of data signal line, and wherein M is positive integer;
Pixel cell, comprises the first sub-pixel and the second sub-pixel, and wherein, the first sub-pixel comprises the first pixel electrode, and the second sub-pixel comprises the second pixel electrode;
First switch element, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N article of scan signal line; Input end is electrically connected with described M article of data signal line; Output terminal is electrically connected with described first pixel electrode;
Second switch unit, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N article of scan signal line; Input end is electrically connected with described M article of data signal line; Output terminal is electrically connected with described second pixel electrode;
3rd switch element, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N+1 article of scan signal line; Input end is used for providing input signal; Output terminal is electrically connected with described second pixel electrode.
Optionally, described N article of scan signal line and N+1 article of scan signal line are between described first sub-pixel and the second sub-pixel.
Optionally, described first switch element, second switch unit and the 3rd switch element are thin film transistor (TFT), comprising: grid, source electrode and drain electrode, and wherein, described grid is as control end, and source electrode, as input end, drains as output terminal.
Optionally, the input end of described 3rd switch element is electrically connected with the output terminal of described first switch element.
Optionally, the area of described first pixel electrode is greater than the area of described second pixel electrode.
Optionally, the input end of described 3rd switch element is electrically connected with described M article of data signal line.
Optionally, the area of described first pixel electrode is less than the area of described second pixel electrode.
The invention provides a kind of display device, comprise arbitrary described array base palte provided by the invention.
The invention provides a kind of driving method, described driving method comprises the display device of the array base palte that the embodiment of the present invention provides for driving, described driving method comprises:
In a scan period, between T1 moment and T3 moment, provide be the sweep signal of T sweep time to N article of scan signal line, between T2 moment and T3 moment, provide be the sweep signal of T ' sweep time to N+1 article of scan signal line, and open corresponding pixel subelement by the data line signal in the sweep signal of scan signal line and data signal line.
Optionally, sweep time, T was greater than T ' sweep time.
Optionally, the 1/2-2/3 that sweep time, T ' was T sweep time.
The invention provides a kind of driving method, described driving method comprises the display device of the array base palte that the embodiment of the present invention provides for driving, described driving method comprises:
In a scan period, between T1 moment and T2 moment, provide be the sweep signal of T sweep time to N article of scan signal line, between T2 moment and T3 moment, provide be the sweep signal of T ' sweep time to N+1 article of scan signal line, and open corresponding pixel subelement by the data line signal in the sweep signal of scan signal line and data signal line, wherein, the data line voltage between T1 moment and T2 moment is less than the data line voltage between T2 moment and T3 moment.
Optionally, sweep time, T was less than or equal to T ' sweep time.
Optionally, sweep time, T was the 1/2-2/3 of T ' sweep time.
A kind of array base palte that the embodiment of the present invention provides and display device, the pixel cell of described array base palte comprises first sub-pixel and the second sub-pixel, by increasing the field intensity of described first sub-pixel or the second sub-pixel, thus increasing the deflection angle of liquid crystal, the display device comprising described array base palte can realize more wide viewing angle.
Accompanying drawing explanation
The partial structurtes schematic diagram of a kind of array base palte that Fig. 1 provides for the embodiment of the present invention;
The partial structurtes schematic diagram of the another kind of array base palte that Fig. 2 provides for the embodiment of the present invention;
The partial structurtes schematic diagram of the another kind of array base palte that Fig. 3 provides for the embodiment of the present invention;
Driving voltage calcspar on a kind of grid line that Fig. 4 provides for the embodiment of the present invention and data line;
Driving voltage calcspar on the another kind of grid line that Fig. 5 provides for the embodiment of the present invention and data line;
1-grid line; 2-data line; 3-pixel cell; 31-first pixel electrode; 32-second pixel electrode; 4-the first film transistor; 41-first grid; 42-first source electrode; 43-first drains; 5-second thin film transistor (TFT); 51-second grid; 52-second source electrode; 53-second drains; 6-the 3rd thin film transistor (TFT); 61-the 3rd grid; 62-the 3rd source electrode; 63-the 3rd drains.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.
The invention provides a kind of array base palte, as shown in Figure 1, Figure 2, Figure 3 shows, comprising:
Multi-strip scanning signal wire 1, comprises N article of scan signal line and N+1 article of scan signal line, and wherein N is positive integer;
Many data signal lines 2, comprise M article of data signal line, and wherein M is positive integer;
Pixel cell 3, comprises the first sub-pixel and the second sub-pixel, and wherein, the first sub-pixel comprises the first pixel electrode 31, second sub-pixel and comprises the second pixel electrode 32;
First switch element, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N article of scan signal line; Input end is electrically connected with described M article of data signal line; Output terminal is electrically connected with described first pixel electrode;
Second switch unit, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N article of scan signal line; Input end is electrically connected with described M article of data signal line; Output terminal is electrically connected with described second pixel electrode;
3rd switch element, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N+1 article of scan signal line; Input end is used for providing input signal; Output terminal is electrically connected with described second pixel electrode.
It should be noted that, the input end of the 3rd switch element is used for providing input signal, namely provides the cut-in voltage of the 3rd switch element.It can be directly be connected with a voltage source, can also be the conducting by other wire realizing circuit.Concrete, it can be when the first switching means conductive, is connected with the output terminal of the first switch element, by being electrically connected the cut-in voltage providing the 3rd switch element with the output terminal of the first switch element; Can also be directly be electrically connected with M article of data signal line, the cut-in voltage of the 3rd switch element is provided by M article of data signal line electrical connection.The embodiment of the present invention is only for being described in detail shown in Fig. 1, Fig. 2.
A kind of array base palte that the embodiment of the present invention provides, the pixel cell of described array base palte comprises the first sub-pixel and the second sub-pixel, and by making the first sub-pixel different with the electric field of the second sub-pixel, then the deflection angle of its liquid crystal is different, make the deflection angle of the liquid crystal of the second sub-pixel be greater than the liquid crystal deflection angle of the first sub-pixel, namely realize more wide viewing angle.And pass through the mutual compensation of two sub-pixel display characteristics, the color offset phenomenon caused by single pixel can also be improved.
Optionally, described first switch element, second switch unit and the 3rd switch element are thin film transistor (TFT), comprising: grid, source electrode and drain electrode, and wherein, described grid is as control end, and source electrode, as input end, drains as output terminal.Concrete, as shown in Figure 1, 2, described first switch element is the first film transistor 4, comprises the control end of first grid 41 as the first switch element, is electrically connected with N article of scan signal line; First source electrode 42, as the input end of the first switch element, is electrically connected with M article of data signal line; First drain electrode 43, as the output terminal of the first switch element, is electrically connected with the first pixel electrode.Described second switch unit is the second thin film transistor (TFT) 5, comprises the control end of second grid 51 as second switch unit, is electrically connected with N article of scan signal line; Second source electrode 52, as the input end of second switch unit, is electrically connected with M article of data signal line; Second drain electrode 53, as the output terminal of second switch unit, is electrically connected with the second pixel electrode.Described 3rd switch element is the 3rd thin film transistor (TFT) 6, comprises the control end of the 3rd grid 61 as the 3rd switch element, is electrically connected with N+1 article of scan signal line; 3rd source electrode 62 is as the input end of the 3rd switch element, the input signal of the 3rd thin film transistor (TFT) is provided, be electrically connected with the drain electrode 43 of the first film transistor 4 in FIG, be electrically connected with M article of data signal line in fig. 2,3rd drain electrode 63, as the output terminal of the 3rd switch element, is electrically connected with described second pixel electrode.Certainly, described switch element also can be other triodes etc., the embodiment of the present invention for described switch element for thin film transistor (TFT) is described.
Optionally, the input end of described 3rd switch element is electrically connected with the output terminal of described first switch element.Concrete, as shown in Figure 1, the described source electrode 62 of the 3rd thin film transistor (TFT) 6 is electrically connected with the drain electrode 43 of the first film transistor 4, is provided the cut-in voltage of the 3rd thin film transistor (TFT) 6 by the drain electrode of described the first film transistor 4.
Optionally, as shown in Figure 1, the area of described first pixel electrode is greater than the area of described second pixel electrode.By pixel cell being divided into two sub-pixels, the electric field of two sub-pixel formation can not be identical, concrete, it can be the electric field that the electric field of the second sub-pixel is greater than the first sub-pixel, then the angle of inclination of the second sub-pixel liquid crystal is greater than the angle of inclination of the first sub-pixel liquid crystal, namely realizes wider visual angle.And pass through the mutual compensation of two sub-pixel display characteristics, the color offset phenomenon caused by single pixel can also be improved.
Optionally, the input end of described 3rd switch element is electrically connected with described M article of data signal line.Concrete, as shown in Figure 2, the source electrode 62 of described 3rd thin film transistor (TFT) 6 is electrically connected with M article of data signal line, is directly provided the cut-in voltage of described 3rd thin film transistor (TFT) 6 by described M article of data signal line.
Optionally, as shown in Figure 3, the area of described first pixel electrode 31 is less than the area of described second pixel electrode 32.
Optionally, as shown in Figure 1, Figure 2, Figure 3 shows, described N article of scan signal line and N+1 article of scan signal line are between described first sub-pixel and the second sub-pixel.And further, described first sub-pixel and the second sub-pixel are positioned at the same side of described M article of data line.
Embodiments provide a kind of display device, comprise arbitrary described array base palte that the embodiment of the present invention provides.Described display device can be the display device such as liquid crystal display, Electronic Paper and any product or the parts with Presentation Function such as TV, digital camera, mobile phone, panel computer comprising these display devices.
It should be noted that, liquid crystal indicator utilizes electric field by LCD Controlling translucidus to show image.According to the direction of an electric field driving liquid crystal, liquid crystal indicator is roughly divided into vertical electric field driving driving with horizontal component of electric field.Vertical electric field electric field type liquid crystal display device is public electrode positioned opposite to each other and pixel electrode on upper and lower base plate, vertical electric field is formed to drive liquid crystal between described public electrode and pixel electrode, as TN (TwistNematic, twisted-nematic) type, VA (VerticalAlignment, multi-domain vertical alignment) type liquid crystal indicator.Horizontal component of electric field electric field type liquid crystal display device arranges public electrode and pixel electrode on infrabasal plate, the electric field of level is formed to drive liquid crystal between described public electrode and pixel electrode, as ADS (Advanced-SuperDimensionalSwitching, senior super dimension field switch) type, IPS (InPlaneSwitch, transverse electric field effect) type liquid crystal indicator.Display device provided by the invention can be any one liquid crystal indicator above-mentioned.
Embodiments provide a kind of driving method, be applicable to the display device comprising the array base palte shown in Fig. 1 or Fig. 2 or Fig. 3.Concrete, described method is included in the scan period, between T1 moment and T3 moment, provide be the sweep signal of T sweep time to N article of scan signal line, between T2 moment and T3 moment, provide be the sweep signal of T ' sweep time to N+1 article of scan signal line, and open corresponding pixel subelement by the data line signal in the sweep signal of scan signal line and data signal line.
Concrete, embodiments provide the calcspar of grid line corresponding to a kind of driving method and data line driving voltage, as shown in Figure 4.When described driving method is for driving the display device comprising the array base palte shown in Fig. 1, described in the T1 moment, display device provides sweep signal by control circui to N article of scan signal line, voltage simultaneously on data line is V1, by the data line signal on M article of data line, the first film transistor and the second thin film transistor (TFT) are opened simultaneously, now the voltage of the first pixel electrode and the second pixel electrode is V1, then the field intensity of the first sub-pixel and the second sub-pixel is E1.Described in the T2 moment, display device provides sweep signal by control circui to N+1 article of scan signal line, now, because the source electrode of the 3rd thin film transistor (TFT) is electrically connected with the drain electrode of the first film transistor, then described 3rd thin film transistor (TFT) is opened, the field intensity formed at described second sub-pixel by the 3rd thin film transistor (TFT) is E2, field intensity then on described second sub-pixel is the superposition of two field intensity, namely by the second thin film transistor (TFT) and the superposition passing through the field intensity that the 3rd thin film transistor (TFT) is formed, the field intensity now on described second sub-pixel is E1+E2.Then the deflection angle of the liquid crystal of described second sub-pixel is greater than the deflection angle of the liquid crystal of the first sub-pixel.And supply voltage on described data line is identical with supply voltage of the prior art, namely increase the visual angle of liquid crystal indicator when not increasing the driving voltage of whole pixel.And the pixel cell of the embodiment of the present invention comprises the first sub-pixel and the second sub-pixel, by making the first sub-pixel different with the voltage of the second sub-pixel, the GTG making it show is different, by the mutual compensation of two sub-pixel display characteristics, can improve the color offset phenomenon caused by single pixel.
Concrete, embodiments provide the calcspar of grid line corresponding to a kind of driving method and data line driving voltage, as shown in Figure 4.When described driving method is for driving the display device comprising the array base palte shown in Fig. 2, described in the T1 moment, display device provides sweep signal by control circui to N article of scan signal line, now data line voltage is V1, by the data line signal on M article of data line, the first film transistor and the second thin film transistor (TFT) are opened simultaneously, now the voltage of the first pixel electrode and the second pixel electrode is V1, and the field intensity of the first sub-pixel and the second sub-pixel is E1.Described in the T2 moment, display device provides sweep signal by control circui to N+1 article of scan signal line, now, because the source electrode of the 3rd thin film transistor (TFT) is electrically connected with M article of data line, the cut-in voltage of the 3rd thin film transistor (TFT) is provided by described M article of data line, then described 3rd thin film transistor (TFT) is opened, the field intensity formed at described second sub-pixel by the 3rd thin film transistor (TFT) is E2, field intensity then on described second sub-pixel is the superposition that two circuit form namely by the second thin film transistor (TFT) and the field intensity by the 3rd thin film transistor (TFT) formation, namely the field intensity now on described second sub-pixel is E1+E2.Then described second sub-pixel is greater than the deflection angle of the liquid crystal of the first sub-pixel at the deflection angle of the liquid crystal in T2-T3 moment.And supply voltage on described data line is identical with supply voltage of the prior art, namely increase the visual angle of liquid crystal indicator when not increasing the driving voltage of whole pixel.And the pixel cell of the embodiment of the present invention comprises the first sub-pixel and the second sub-pixel, by making the first sub-pixel different with the voltage of the second sub-pixel, the GTG making it show is different, by the mutual compensation of two sub-pixel display characteristics, can improve the color offset phenomenon caused by single pixel.
Optionally, sweep time, T was greater than T ' sweep time.Area due to the first sub-pixel is greater than the area of the second sub-pixel, and sweep time, T was the 1/2-2/3 of T sweep time, then the displaying time of described first sub-pixel is greater than the displaying time of the second sub-pixel, is conducive to improving display effect.And concrete, between T2 moment and T3 moment sweep time T ' between T1 moment and T3 moment sweep time T 1/2-2/3.
It should be noted that, the above driving method that the embodiment of the present invention provides, can also be applicable to the display device of the array base palte comprised as shown in Figure 3, the drive principle that itself and display device comprise array base palte is as shown in Figure 2 identical.
Optionally, embodiments provide another kind of driving method, be applicable to the display device driving and comprise the array base palte shown in Fig. 3.Described driving method is included in the scan period, between T1 moment and T2 moment, provide be the sweep signal of T sweep time to N article of scan signal line, between T2 moment and T3 moment, provide be the sweep signal of T ' sweep time to N+1 article of scan signal line, and open corresponding pixel subelement by the data line signal in the sweep signal of scan signal line and data signal line, wherein, the data line voltage between T1 moment and T2 moment is less than the data line voltage between T2 moment and T3 moment.
Concrete, embodiments provide the calcspar of grid line corresponding to a kind of driving method and data line driving voltage, as shown in Figure 5, described in the T1 moment, display device provides sweep signal by control circui to N article of scan signal line, now data line voltage is V1, by the data line signal on M article of data line, the first film transistor and the second thin film transistor (TFT) are opened simultaneously, now the voltage of the first pixel electrode and the second pixel electrode is V1, and the field intensity of the first sub-pixel and the second sub-pixel is E1.Described in the T2 moment, display device provides sweep signal by control circui to N+1 article of scan signal line, now data line voltage is V2, and V2 is greater than V1, by M article of data line has data line signal, 3rd thin film transistor (TFT) is opened, now the first film transistor and the second thin film transistor (TFT) are closed, then the electric field formed at described second sub-pixel by the 3rd thin film transistor (TFT) is E2, and E2 is greater than E1.Then the deflection angle of pixel cell liquid crystal of the second sub-pixel described in the T2-T3 moment is greater than the liquid crystal deflection angle in T1-T2 moment, thus increases the visual angle of liquid crystal indicator.It should be noted that, stop providing sweep signal to N article of scan signal line when the T2 moment, but there is memory capacitance due to pixel cell, the image of the first sub-pixel display can not disappear at once can certain time.And the pixel cell of the embodiment of the present invention comprises the first sub-pixel and the second sub-pixel, by making the first sub-pixel different with the voltage of the second sub-pixel, the GTG making it show is different, by the mutual compensation of two sub-pixel display characteristics, the color offset phenomenon caused by single pixel can also be improved.
Optionally, T sweep time between T1 moment and T2 moment is less than or equal to the T ' sweep time between T2 moment and T3 moment.Area due to the second sub-pixel is greater than the area of the first sub-pixel, and sweep time, T was less than T ' sweep time, then the displaying time of described second sub-pixel is greater than the displaying time of the first sub-pixel, is conducive to improving display effect.Further, described sweep time, T was the 1/2-2/3 of T ' sweep time.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. an array base palte, is characterized in that, comprising:
Multi-strip scanning signal wire, comprises N article of scan signal line and N+1 article of scan signal line, and wherein N is positive integer;
Many data signal lines, comprise M article of data signal line, and wherein M is positive integer;
Pixel cell, comprises the first sub-pixel and the second sub-pixel, and wherein, the first sub-pixel comprises the first pixel electrode, and the second sub-pixel comprises the second pixel electrode;
First switch element, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N article of scan signal line; Input end is electrically connected with described M article of data signal line; Output terminal is electrically connected with described first pixel electrode;
Second switch unit, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N article of scan signal line; Input end is electrically connected with described M article of data signal line; Output terminal is electrically connected with described second pixel electrode;
3rd switch element, comprises control end, input end and output terminal, and wherein, control end is electrically connected with described N+1 article of scan signal line; Input end is used for providing input signal; Output terminal is electrically connected with described second pixel electrode;
The input end of described 3rd switch element is directly connected by wire with the output terminal of described first switch element.
2. array base palte according to claim 1, is characterized in that, described N article of scan signal line and N+1 article of scan signal line are between described first sub-pixel and the second sub-pixel.
3. array base palte according to claim 1, it is characterized in that, described first switch element, second switch unit and the 3rd switch element are thin film transistor (TFT), comprise: grid, source electrode and drain electrode, wherein, described grid is as control end, and source electrode, as input end, drains as output terminal.
4. array base palte according to claim 1, is characterized in that, the area of described first pixel electrode is greater than the area of described second pixel electrode.
5. a display device, is characterized in that, comprises the array base palte described in any one of claim 1-4.
6. a driving method, is characterized in that, described driving method is for driving the display device of the array base palte comprised described in any one of claim 1-4, and described driving method comprises:
In a scan period, between T1 moment and T3 moment, provide be the sweep signal of T sweep time to N article of scan signal line, between T2 moment and T3 moment, provide be the sweep signal of T ' sweep time to N+1 article of scan signal line, and open corresponding pixel subelement by the data line signal in the sweep signal of scan signal line and data signal line; Wherein, T1<T2<T3.
7. driving method according to claim 6, is characterized in that, sweep time, T was greater than T ' sweep time.
8. driving method according to claim 7, is characterized in that, the 1/2-2/3 that sweep time, T ' was T sweep time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154111.3A CN103268048B (en) | 2013-04-27 | 2013-04-27 | A kind of array base palte, display device and driving method |
| PCT/CN2013/089891 WO2014173150A1 (en) | 2013-04-27 | 2013-12-18 | Array substrate, display apparatus, and driving method |
Applications Claiming Priority (1)
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| CN201310154111.3A CN103268048B (en) | 2013-04-27 | 2013-04-27 | A kind of array base palte, display device and driving method |
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| CN103268048B (en) * | 2013-04-27 | 2015-12-02 | 合肥京东方光电科技有限公司 | A kind of array base palte, display device and driving method |
| CN105204259B (en) * | 2015-10-26 | 2019-02-15 | 深圳市华星光电技术有限公司 | Dot structure and array substrate |
| CN113219743B (en) * | 2021-04-20 | 2022-07-01 | 北海惠科光电技术有限公司 | Display panel, display device, and driving method of display panel |
| CN113219747B (en) * | 2021-04-23 | 2022-11-08 | 成都中电熊猫显示科技有限公司 | Array substrate, liquid crystal display panel and liquid crystal display |
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| KR101414043B1 (en) * | 2007-12-04 | 2014-07-21 | 삼성디스플레이 주식회사 | Thin film transistor substrate |
| TWI380110B (en) * | 2009-04-02 | 2012-12-21 | Au Optronics Corp | Pixel array, liquid crystal display panel, and electro-optical apparatus |
| CN101866087B (en) * | 2009-04-14 | 2012-03-21 | 群康科技(深圳)有限公司 | Sub-pixel structure and liquid crystal display panel |
| US8518498B2 (en) * | 2009-09-02 | 2013-08-27 | Samsung Display Co., Ltd. | Liquid crystal display and manufacturing method thereof |
| KR20110024509A (en) * | 2009-09-02 | 2011-03-09 | 삼성전자주식회사 | Liquid crystal display and manufacturing method thereof |
| US8854561B2 (en) * | 2009-11-13 | 2014-10-07 | Au Optronics Corporation | Liquid crystal display panel with charge sharing scheme |
| KR101793176B1 (en) * | 2010-08-05 | 2017-11-03 | 삼성디스플레이 주식회사 | Display device |
| TWI481940B (en) * | 2012-07-05 | 2015-04-21 | Au Optronics Corp | Display panel and driving method thereof |
| CN103268048B (en) * | 2013-04-27 | 2015-12-02 | 合肥京东方光电科技有限公司 | A kind of array base palte, display device and driving method |
| CN203224699U (en) * | 2013-04-27 | 2013-10-02 | 合肥京东方光电科技有限公司 | Array substrate and display device |
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| WO2014173150A1 (en) | 2014-10-30 |
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