CN105182644A - Thin film transistor array substrate, display panel and detecting method of display panel - Google Patents
Thin film transistor array substrate, display panel and detecting method of display panel Download PDFInfo
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- CN105182644A CN105182644A CN201510615230.3A CN201510615230A CN105182644A CN 105182644 A CN105182644 A CN 105182644A CN 201510615230 A CN201510615230 A CN 201510615230A CN 105182644 A CN105182644 A CN 105182644A
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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
- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
Abstract
A thin film transistor array substrate comprises a plurality of data lines, a plurality of scanning lines intersecting with the data lines, and a plurality of pixels arrayed in a matrix. Each pixel comprises a plurality of sub-pixels arrayed in a matrix with two lines and two rows, wherein the sub-pixels include the first-color sub-pixel, the second-color sub-pixel, the third-color sub-pixel and the fourth-color sub-pixel. At least one data line is arranged between every two adjacent rows of sub-pixels. In the same lines of pixels, the first scanning lines are arranged between every two adjacent lines of sub-pixels. The second scanning lines are arranged between every two adjacent lines of pixels. The sub-pixels of the same rows and the same colors are all connected with the same data lines, and each data line is connected with the sub-pixels of two colors at most. The data lines are driven by at least two data driving units. Each data driving unit is communicated with the sub-pixels of two colors at most. Each first scanning line is connected with the first-color sub-pixels and the second-color sub-pixels of the adjacent line. Each second scanning line is connected with the third-color sub-pixels and the four-color sub-pixels in the adjacent line. The first scanning lines are driven at the same time, and the second scanning lines are driven at the same time.
Description
Technical field
The present invention relates to a kind of thin-film transistor array base-plate, use the detection method of the display panel of this thin-film transistor array base-plate and this display panel.
Background technology
Display panel has been widely used in various electronic product, as computer, in mobile phone as the display unit of electronic equipment.For guaranteeing the display quality of electronic product, in the processing procedure of display panel, can through one panel test (CellTest) processing procedure, to determine whether each pixel in display panel normally shows.At present, normally a test signal is flowed to each data line in display panel during panel test, meanwhile, another test signal is flowed to each sweep trace in display panel, reexamine the color display of display panel subsequently.So, for the display panel of RGBW subpixel configuration, owing to being the same test signal of input extremely each data line, make to test respectively red pixel, green pixel and blue pixel, and then cannot check out that some defect kind of display panel is (as in the color filter producing process of display panel, defect because of the irregular colour caused by the thickness inequality that each Color pair is answered), and complete defect information cannot be provided.
Summary of the invention
In view of this, be necessary to provide a kind of detection method that can realize thin-film transistor array base-plate, display panel and the display panel that pure color detects.
A kind of display panel, comprising: colored filter and thin-film transistor array base-plate; This thin-film transistor array base-plate comprises a plurality of data lines, multi-strip scanning line and multiple pixel arranged in a matrix fashion; This plurality of data lines intersects vertically with this multi-strip scanning line respectively; Each pixel comprises the multiple sub-pixels in the matrix being arranged in one or two row two row, and the plurality of sub-pixel comprises the first sub-pixels, the second sub-pixels, the 3rd sub-pixels and the 4th sub-pixels; At least one data line is provided with between two adjacent row sub-pixels; With in each pixel of a line, between two adjacent row sub-pixels, be provided with one first sweep trace; One second sweep trace is provided with between two adjacent row pixels; The sub-pixel of the same color of same row is all connected to same data line and each data line is connected with the sub-pixel of two kinds of different colours at the most; Described a plurality of data lines is driven by least two data drive unit, each data drive unit by coupled each data line to the sub-pixel of multi-link two kinds of colors; All described first sub-pixels and all described second sub-pixels of the first sweep trace described in each and adjacent a line are connected; All described 3rd sub-pixels and all described 4th sub-pixels of the second sweep trace described in each and adjacent a line are connected; All described first sweep traces are driven simultaneously, and all described second sweep traces are driven simultaneously.
A detection method for above-mentioned display panel, the method comprises:
High-order voltage is all applied to the scan drive cell be connected with the sub-pixel of same color and data drive unit, all apply low level voltage to the scan drive cell connecting other colors and data drive unit simultaneously, make described display panel show the pure color picture of solid color.
A kind of thin-film transistor array base-plate, comprising: a plurality of data lines, multi-strip scanning line and multiple pixel arranged in a matrix fashion; This plurality of data lines intersects vertically with this multi-strip scanning line respectively; Each pixel comprises the multiple sub-pixels in the matrix being arranged in one or two row two row, and the plurality of sub-pixel comprises the first sub-pixels, the second sub-pixels, the 3rd sub-pixels and the 4th sub-pixels; At least one data line is provided with between two adjacent row sub-pixels; With in each pixel of a line, between two adjacent row sub-pixels, be provided with one first sweep trace; One second sweep trace is provided with between two adjacent row pixels; The sub-pixel of the same color of same row is all connected to same data line and each data line is connected with the sub-pixel of two kinds of different colours at the most; Described a plurality of data lines is driven by least two data drive unit, each data drive unit by coupled each data line to the sub-pixel of multi-link two kinds of colors; All described first sub-pixels and all described second sub-pixels of the first sweep trace described in each and adjacent a line are connected; All described 3rd sub-pixels and all described 4th sub-pixels of the second sweep trace described in each and adjacent a line are connected; All described first sweep traces are driven simultaneously, and all described second sweep traces are driven simultaneously.
The same sub-pixels of same row of the present invention is all connected to same data line and each data line is connected with the sub-pixel of two kinds of different colours at the most, described a plurality of data lines is driven by least two data drive unit, each data drive unit by coupled each data line to the sub-pixel of multi-link two kinds of colors, first sweep trace described in each and described second sweep trace connect respectively and only connect all described sub-pixel in adjacent a line, all described first sweep traces are driven simultaneously, and all described second sweep traces are driven simultaneously.Make when all applying high-order voltage to the scan drive cell be connected with the sub-pixel of same color and data drive unit, when all applying low level voltage to the scan drive cell connecting other colors and data drive unit simultaneously, the effect of the pure color picture of display panel display solid color can be realized, thus can pure color detection be carried out and more complete Detection Information is provided.
Accompanying drawing explanation
Fig. 1 is display panel one cross-sectional view of the present invention.
Fig. 2 is the floor map of the first embodiment of the thin-film transistor array base-plate circuit of display panel shown in Fig. 1.
Fig. 3 is the floor map of the second embodiment of the thin-film transistor array base-plate circuit of display panel shown in Fig. 1 of the present invention.
Main element symbol description
| Display panel | 1 |
| Backlight module | 10 |
| Thin-film transistor array base-plate | 30 |
| Liquid crystal layer | 40 |
| Colored filter | 50 |
| Circuit | 31 |
| Pixel | 311 |
| Red sub-pixel | 312 |
| Green sub-pixels | 314 |
| Blue subpixels | 316 |
| White sub-pixels | 318 |
| Pixel electrode | 3122、3142、3162、3182 |
| Data line | 332、334、382、384、386、388 |
| First sweep trace | 320、370 |
| Second sweep trace | 322、372 |
| Thin film transistor (TFT) | 313、315、317、319、363、365、367、369 |
| Connecting bridge | 3201、3221、3321、3341、3821、3841、3861、3881 |
| Scan drive cell | S |
| First scan drive cell | S1 |
| Second scan drive cell | S2 |
| First data drive unit | D1 |
| Second data drive unit | D2 |
| 3rd data drive unit | D3 |
| 4th data drive unit | D4 |
| 5th data drive unit | D5 |
| 6th data drive unit | D6 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
The present invention describes a kind of display panel of RGBW form, and this display panel can be used for the display screen etc. of the screen of smart mobile phone, the display of computing machine, the display screen of televisor or panel computer.This display panel can be display panels (LiquidCrystalDisplay, LCD) or organic electroluminescence display panel (OrganicLightEmittingDisplay, OLED).The present invention is described for display panels.
Refer to Fig. 1, Fig. 1 is display panel 1 one cross-sectional view of the present invention.This display panel 1 comprises backlight module 10, thin-film transistor array base-plate 30, liquid crystal layer 40 and colored filter 50.This backlight module 10 is for providing the backlight needed for this display panel 1 display frame.This liquid crystal layer 40 is for adjusting the light quantity by this liquid crystal layer 40 sent from this backlight module 10, and the light sent from this backlight module 10 penetrates from this colored filter 50 after this liquid crystal layer 40, to realize colored display.Change in embodiment at other, such as when this display panel 1 is organic electroluminescence display panel, this display panel 1 is without the need to arranging this backlight module 10 and this liquid crystal layer 40, now, this display panel 1 also to comprise between this thin-film transistor array base-plate 30 and this colored filter 50 and the luminous material layer (not shown) be formed on this thin-film transistor array base-plate 30.
See also Fig. 2, Fig. 2 is the floor map of the first embodiment of the thin-film transistor array base-plate circuit 31 of display panel 1 shown in Fig. 1.This thin-film transistor array base-plate 30 is such as a thin-film transistor array base-plate being applied to RGBW liquid crystal display, and it comprises substrate (not shown) and is formed at the circuit 31 on this substrate.This circuit 31 is arranged to arrange reversion (columninversion) mode.This circuit 31 comprises multiple pixel 311 arranged in the matrix form.Fig. 2 shows a pel array in 2 row 2 column matrix arrangements.Should be understood that, the line number of actual matrix and columns are far away more than the quantity shown in Fig. 2, and such as it can be a matrix for 1920 X 1080 of 5.5 inches.Each pixel 311 comprises with four sub-pixels of square matrix arrangement, is respectively the first sub-pixels 312, second sub-pixels 314, the 3rd sub-pixels 316 and the 4th sub-pixels 318.In present embodiment, this first sub-pixels 312 is red (Red, R) sub-pixel 312, this second sub-pixels 314 are green (Green, G) sub-pixel 314, the 3rd sub-pixels 316 are blue (Blue, B) sub-pixel 316 and the 4th sub-pixels 318 are white (White, W) sub-pixel 318.This white sub-pixels 318 is that transparent region is to increase the energy consumption of transmittance and reduction backlight module 10 compared to RGB form colored filter.
This red sub-pixel 312, green sub-pixels 314, blue subpixels 316 and white sub-pixels 318 arrange with square matrix (as 2x2 matrix), wherein this red sub-pixel 312 is arranged on same a line with this green sub-pixels 314, and this blue subpixels 316 is arranged on same a line with this white sub-pixels 318; This red sub-pixel 312 is arranged on same row with this white sub-pixels 318, and this green sub-pixels 314 is arranged on same row with this blue subpixels 316.In the same row, this red sub-pixel 312 is arranged alternately with this green sub-pixels 314, and this blue subpixels 316 is arranged alternately with this white sub-pixels 318.In same row, this red sub-pixel 312 is arranged alternately with this white sub-pixels 318, and this green sub-pixels 314 is arranged alternately with this blue sub-pigment 316.
Further, along described matrix column direction (vertical direction), in each red sub-pixel 312 of same column pixel 311, green sub-pixels 314, blue subpixels 316 and white sub-pixels 318, between two row sub-pixels, be provided with a data line 334.A data line 332 is provided with between the pixel 311 that every two row are adjacent.In present embodiment, the red sub-pixel 312 of each pixel 311 of same row and white sub-pixels 318 are all connected with same data line 334, and the green sub-pixels 314 of each pixel 311 of same row and blue subpixels 316 are all connected with same data line 332.Along the direction that described sweep trace extends (horizontal direction), each data line 332,334 is arranged alternately, and wherein a plurality of data lines 332 lays respectively at odd column, and a plurality of data lines 334 lays respectively at even column.A plurality of data lines 332,334 is driven respectively by two data drive unit.Particularly, the data line 332 of each odd column is connected to one first data drive unit D1 jointly respectively by many connecting bridges 3321, and the data line 334 of each even column is connected to one second data drive unit D2 jointly respectively by many connecting bridges 3341.
Two row sub-pixels 312,314 in the pixel 311 of colleague, have one first sweep trace 320 between 316,318.Correspondingly, between two often adjacent row pixels 311, there is one second sweep trace 322.This first sweep trace 320 and the second sweep trace 322 intersect vertically with described data line 332,334, and the Minimum Area jointly defined by this first sweep trace 320, second sweep trace 322 adjacent and two adjacent data lines 332,334 defines the region at a sub-pixel place.This data line 332,334 and sweep trace 320,322 and described red sub-pixel 312, green sub-pixels 314, blue subpixels 316 and white sub-pixels 318 electrically conduct.In present embodiment, all be connected with same first sweep trace 320 with the red sub-pixel 312 of each pixel 311 of a line and green sub-pixels 314, be all connected with same second sweep trace 322 with the blue subpixels 316 of each pixel 311 of a line and white sub-pixels 318.
Along the direction that described data line extends (vertical direction), this first sweep trace 320 is arranged alternately with this second sweep trace 322, and wherein many these the first sweep traces 320 lay respectively at odd-numbered line, and many these the second sweep traces 322 lay respectively at even number line.This first sweep trace 320 and this second sweep trace 322 are driven respectively by different scan drive cells.Particularly, first sweep trace 320 of each odd-numbered line is connected to one first scan drive cell S1 jointly respectively by many connecting bridges 3201, and the second sweep trace 322 of each even number line is connected to one second scan drive cell S2 jointly respectively by many connecting bridges 3221.
Further, in the matrix that each pixel 311 is formed, the pixel in the definition upper left corner is the first pixel 311, and the red sub-pixel 312 of this first pixel 311 is electrically connected by a thin film transistor (TFT) (TFT) 313 and described first sweep trace 320 and described data line 334.The drain electrode (all not indicating) that this thin film transistor (TFT) 313 has the source electrode be electrically connected with this data line 334, the grid be electrically connected with this first sweep trace 320 and is electrically connected with the pixel electrode 3122 of this red sub-pixel 312.And the red sub-pixel 312 that be positioned at second pixel 311 of same a line adjacent to this first pixel 311 is also electrically connected with the first sweep trace 320 and adjacent data line 334 by a corresponding thin film transistor (TFT) (sign).The like, the red sub-pixel 312 being positioned at other pixel of same a line sequentially repeats the electric connection mode of the red sub-pixel 312 of described first pixel 311 and the second pixel, and is electrically connected with described first sweep trace 320 and data line 334 respectively.
And the red sub-pixel 312 that be positioned at three pixel of same row adjacent with the first pixel 311 is electrically connected with described first sweep trace 320 and near the data line 334 of this red sub-pixel 312 by a corresponding thin film transistor (TFT) (sign).The like, the red sub-pixel 312 being positioned at other pixel of same row sequentially repeats the electric connection mode of the red sub-pixel 312 of described first pixel and the 3rd pixel, and is electrically connected with described first sweep trace 320 and described data line 334 respectively successively.
The green sub-pixels 314 of described first pixel 311 is electrically connected by a thin film transistor (TFT) 315 and the first sweep trace 320 and adjacent data line 332.This thin film transistor (TFT) 315 has the source electrode 3152 be electrically connected with this data line 332, the grid 3154 be electrically connected with this first sweep trace 320, and the drain electrode 3156 be electrically connected with the pixel electrode 3142 of this green sub-pixels 314.And the green sub-pixels 314 that be positioned at second pixel of same a line adjacent to the first pixel 311 is also electrically connected with the first sweep trace 320 and adjacent data line 332 by a corresponding thin film transistor (TFT) (sign).The like, the green sub-pixels 314 being positioned at other pixel of same a line sequentially repeats the electric connection mode of the green sub-pixels 314 of described first pixel 311 and the second pixel, and is electrically connected with described first sweep trace 320 and described data line 332 respectively.
And the green sub-pixels 314 that be positioned at three pixel of same row adjacent with the first pixel 311 is by corresponding thin film transistor (TFT) and described first sweep trace 320 and be electrically connected near the data line 332 of this green sub-pixels 314.The like, the green sub-pixels 314 being positioned at other pixel of same row sequentially repeats the electric connection mode of the green sub-pixels 314 of described first pixel and the 3rd pixel, and is electrically connected with the first sweep trace 320 and data line 332 respectively.
The blue subpixels 316 of described first pixel 311 is electrically connected by a thin film transistor (TFT) 317 and the second sweep trace 322 and adjacent data line 332.This thin film transistor (TFT) 317 has the source electrode 3172 be electrically connected with this data line 332, the grid 3174 be electrically connected with this second sweep trace 322, and the drain electrode 3176 be electrically connected with the pixel electrode 3162 of this blue subpixels 316.
And the blue subpixels 316 that be positioned at second pixel 312 of same a line adjacent to the first pixel 311 is also electrically connected with the second sweep trace 322 and adjacent data line 332 by a corresponding thin film transistor (TFT) (sign).The like, the blue subpixels 316 being positioned at other pixel of same a line sequentially repeats the electric connection mode of the blue subpixels 316 of described first pixel 311 and the second pixel, and is electrically connected with described second sweep trace 322 and described data line 332 respectively.
And the blue subpixels 316 that be positioned at three pixel of same row adjacent with the first pixel 311 is by corresponding thin film transistor (TFT) and described second sweep trace 322 and be electrically connected near the data line 332 of this blue subpixels 316.The like, the blue subpixels 316 being positioned at other pixel of same row sequentially repeats the electric connection mode of the blue subpixels 316 of described first pixel and the 3rd pixel, and is electrically connected with described second sweep trace 322 and described data line 332 respectively.
The white sub-pixels 318 of described first pixel 311 is electrically connected by a thin film transistor (TFT) 319 and the second sweep trace 322 and adjacent data line 334.This thin film transistor (TFT) 319 has the source electrode 3192 be electrically connected with this data line 334, the grid 3194 be electrically connected with this second sweep trace 322, and the drain electrode 3196 be electrically connected with the pixel electrode 3182 of this white sub-pixels 318.And the white sub-pixels 318 that be positioned at second pixel 312 of same a line adjacent to the first pixel 311 is also electrically connected by a corresponding thin film transistor (TFT) and the second sweep trace 322 and adjacent data line 334.The like, the white sub-pixels 318 being positioned at other pixel of same a line sequentially repeats the electric connection mode of the white sub-pixels 318 of described first pixel 311 and the second pixel 312, and is electrically connected with described second sweep trace 322 and described data line 334 respectively.And the white sub-pixels 318 that be positioned at three pixel of same row adjacent with the first pixel 311 is by corresponding thin film transistor (TFT) and described second sweep trace 322 and be electrically connected near the data line 334 of this white sub-pixels 318.The like, the white sub-pixels 318 being positioned at other pixel of same row sequentially repeats the electric connection mode of the white sub-pixels 318 of described first pixel and the 3rd pixel, and is electrically connected with described second sweep trace 322 and described data line 334 respectively.
In the present embodiment, the data line 322 due to each odd column is all connected to described first data drive unit D1, and the data line 334 of each even column is all connected to described second data drive unit D2; And each first sweep trace 320 of odd-numbered line is all connected to described first scan drive cell S1, each second sweep trace 322 of even number line is all connected to described second scan drive cell S2.Thus, when carrying out panel test (CellTest) processing procedure to check each pixel whether to show normal, by regulate this first data drive unit D1, this second data drive unit D2, this first scan drive cell S1 and this second scan drive cell S2 input current potential and realize pure color (such as red, green or blue) display, thus can test respectively red sub-pixel 312, green sub-pixels 314 and blue subpixels 316, the complete defect information that counter plate is tested can be provided.
During operation, apply a high-order voltage to described first scan drive cell S1 and apply a low level voltage to described second scan drive cell S2, apply a low level voltage to described first data drive unit D1 simultaneously and apply a high-order voltage to described second data drive unit D2.Now, described display panel 1 shows red sprite, further by manual detection, can check out the quality of the red picture of display.In like manner, if when need show green solid picture to detect, can high-order voltage be applied to respectively described first scan drive cell S1 and described first data drive unit D1, and apply low level voltage to respectively described second scan drive cell S2 and described second data drive unit D2; And when need show blue pure color picture, apply high-order voltage to respectively described second scan drive cell S2 and described first data drive unit D1, apply low level voltage to respectively described first scan drive cell S1 and described second data drive unit D2 simultaneously.It should be noted that, described connecting bridge 3201 and 3221 can be removed after panel test, such as by laser-induced thermal etching Ex-all, then each data line 332,334 is connected with a data drive unit (not shown) and passes the data-signal that this passs display panel 1, and and respectively first and second sweep trace 320,322 be connected with one scan driver element (not shown) the sweep signal transmitting this display panel 1.
Please refer to Fig. 3, Fig. 3 is the floor map of the second embodiment of thin-film transistor array base-plate 30 circuit 31 of display panel 1 shown in Fig. 1 of the present invention.The structure of the thin-film transistor array base-plate 30 in present embodiment is substantially identical with the thin-film transistor array base-plate 30 that the first embodiment provides, its difference is, along described matrix column direction (vertical direction), in each sub-pixel of same column pixel 311, between two row sub-pixels, be provided with two data lines 382,384.Correspondingly, often two data lines 386,388 are provided with between adjacent two row pixels 311.In each pixel 311 of same row, each red sub-pixel 312 is all connected with same data line 384, each blue subpixels 316 is all connected with same data line 382, and each green sub-pixels 314 is all connected with same data line 388, and each white sub-pixels 318 is all connected with same data line 386.
Each data line 382,384,386,388 is driven by four different data drive unit respectively, and particularly, the many articles of data lines 384 connecting each red sub-pixel 312 are respectively connected to one the 3rd data drive unit D3 jointly by a connecting bridge 3841; Many articles the data line 382 connecting each green sub-pixels 314 is respectively connected to one the 4th data drive unit D4 jointly by a connecting bridge 3821; Many articles the data line 388 connecting each blue subpixels 316 is respectively connected to one the 5th data drive unit D5 jointly by a connecting bridge 3881; Many articles the data line 386 connecting each white sub-pixels 318 is respectively connected to one the 6th data drive unit D6 jointly by a connecting bridge 3861.
Two row sub-pixels 312,314 of colleague's pixel 311, are provided with one first sweep trace 370 between 316,318.Correspondingly, one second sweep trace 372 is provided with between the pixel 311 that every two row are adjacent.This first sweep trace 370 and this second sweep trace 372 intersect vertically with described data line 382,384,386,388, are defined the region at a sub-pixel place by this first sweep trace 370, second sweep trace 372 adjacent and two adjacent data line 382,388 or 384,386 Minimum Areas jointly defined.Data line 382,384,386,388 and first and second sweep trace 370,372 and described red sub-pixel 312, green sub-pixels 314, blue subpixels 316 and white sub-pixels 318 electrically conduct.In present embodiment, all be connected with same first sweep trace 370 with the red sub-pixel 312 of each pixel 311 of a line and green sub-pixels 314, be all connected with same second sweep trace 372 with the blue subpixels 316 of each pixel 311 of a line and white sub-pixels 318.Each first sweep trace 370 and each second sweep trace 372 are all connected to one scan driver element S.
Further, the red sub-pixel 312 in each pixel 311 is all electrically connected by a thin film transistor (TFT) (TFT) and one first adjacent sweep trace 370 and an adjacent data line 384.Green sub-pixels 314 in each pixel 311 is all electrically connected by a thin film transistor (TFT) and one first adjacent sweep trace 370 and an adjacent data line 382.Blue subpixels 316 in each pixel 311 is all electrically connected by a thin film transistor (TFT) and one second adjacent sweep trace 372 and an adjacent data line 388.White sub-pixels 318 in each pixel 311 is all electrically connected by a thin film transistor (TFT) and one second adjacent sweep trace 372 and an adjacent data line 386.Wherein each thin film transistor (TFT) drain electrode of comprising the source electrode be electrically connected with a data line, the grid be electrically connected with scan line (first sweep trace 370 or the second sweep trace 372) and being electrically connected with the pixel electrode of a sub-pixel (such as red, green, blue or white sub-pixels).
Such as, in the matrix that each pixel 311 is formed, the pixel 311 in the upper left corner of definition is the first pixel 311, the thin film transistor (TFT) 363 is connected with the red sub-pixel 312 of this first pixel 311 have be electrically connected with this data line 384 source electrode 3632, and the grid 3634 that is electrically connected of this first sweep trace 370 and the drain electrode 3636 that is electrically connected with the pixel electrode 3122 of this red sub-pixel 312.The thin film transistor (TFT) 365 be connected with the green sub-pixels 314 of this first pixel 311 has the source electrode 3652 be electrically connected with this data line 382, the grid 3654 be electrically connected with this first sweep trace 370, and the drain electrode 3656 be electrically connected with the pixel electrode 3142 of this green sub-pixels 314.The thin film transistor (TFT) 367 be connected with the blue subpixels 316 of this first pixel 311 has the source electrode 3672 be electrically connected with this data line 388, the grid 3674 be electrically connected with this first sweep trace 372, and the drain electrode 3676 be electrically connected with the pixel electrode 3162 of this blue subpixels 316.The thin film transistor (TFT) 369 be connected with the white sub-pixels 318 of this first pixel 311 has the source electrode 3692 be electrically connected with this data line 386, the grid 3694 be electrically connected with this first sweep trace 372, and the drain electrode 3696 be electrically connected with the pixel electrode 3162 of this blue subpixels 316.
In the present embodiment, because the data line of the sub-pixel connecting different colours is connected to different data drive unit respectively, that is, the data line 384 be connected with each red sub-pixel 312 is all connected to described 3rd data drive unit D3; The data line 382 be respectively connected with green sub-pixels 314 is all connected to described 4th data drive unit D4; The data line 388 be connected with each blue subpixels 316 is all connected to described 5th data drive unit D5; Described 6th data drive unit D6 is all connected to the data line 386 of each white sub-pixels 318.Thus, when carrying out panel test (CellTest) processing procedure to check each pixel whether to show normal, by regulate the 3rd data drive unit D3, the 4th data drive unit D4, described 5th data drive unit D5, described 6th data drive unit D6 input current potential and realize pure color (such as red, green or blue) display, thus can test respectively red sub-pixel 312, green sub-pixels 314 and blue subpixels 316, the complete defect information that counter plate is tested can be provided.
During operation, apply sweep signal to described scan drive cell S, apply a high-order voltage to described 3rd data drive unit D3 simultaneously and all apply a low level voltage to described fourth, fifth, six data drive unit D4, D5, D6.Now, described display panel 1 shows red sprite, further by manual detection, can check out the quality of the red picture of display.In like manner, if when need show green solid picture to detect, apply a high-order voltage can to described 4th data drive unit D4 and all apply a low level voltage to described 3rd, five, six data drive unit D3, D5, D6.And when need show blue pure color picture, to described 5th data drive unit D5 apply a high-order voltage and to described third and fourth, six data drive unit D3, D4, D6 all apply a low level voltage.It should be noted that, described connecting bridge 3821,3841,3861,3881 can be removed after panel test, such as by laser-induced thermal etching Ex-all, then each data line 382,384,386,388 is connected with another data drive unit (not shown) and transmits the data-signal of this display panel 1.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not depart from the spirit and scope of technical solution of the present invention.
Claims (11)
1. a display panel, comprising: colored filter and thin-film transistor array base-plate; This thin-film transistor array base-plate comprises a plurality of data lines, multi-strip scanning line and multiple pixel arranged in a matrix fashion; This plurality of data lines intersects vertically with this multi-strip scanning line respectively; Each pixel comprises the multiple sub-pixels in the matrix being arranged in one or two row two row, and the plurality of sub-pixel comprises the first sub-pixels, the second sub-pixels, the 3rd sub-pixels and the 4th sub-pixels; At least one data line is provided with between two adjacent row sub-pixels; With in each pixel of a line, between two adjacent row sub-pixels, be provided with one first sweep trace; One second sweep trace is provided with between two adjacent row pixels; It is characterized in that: the sub-pixel of the same color of same row is all connected to same data line, and each this data line is connected with the sub-pixel of two kinds of different colours at the most; Described a plurality of data lines is driven by least two data drive unit, each data drive unit by coupled each data line to the sub-pixel of multi-link two kinds of colors; All described first sub-pixels and all described second sub-pixels of the first sweep trace described in each and adjacent a line are connected; All described 3rd sub-pixels and all described 4th sub-pixels of the second sweep trace described in each and adjacent a line are connected; All described first sweep traces are driven simultaneously, and all described second sweep traces are driven simultaneously.
2. display panel as claimed in claim 1, it is characterized in that, data line described in one is only provided with between two often adjacent row sub-pixels, the sub-pixel of odd column is connected with the data line of adjacent odd column, the sub-pixel of even column is connected with the data line of adjacent even column, the all described data line of odd column is all connected to one first data drive unit, the all described data line of even column is all connected to one second data drive unit, each described first sweep trace is all connected to one first scan drive cell, each described second sweep trace is all connected to one second scan drive cell.
3. display panel as claimed in claim 1, it is characterized in that, two described data lines are equipped with between two often adjacent row sub-pixels, each data line is only connected with the sub-pixel of all same colors in same column, described data drive unit comprises four, and all data lines be connected with same data drive unit all only connect the sub-pixel of same color.
4. display panel as claimed in claim 1, it is characterized in that, described first sub-pixels and described second sub-pixels are arranged in same a line of matrix, described 3rd sub-pixels and described 4th sub-pixels are arranged in another adjacent row, described first sub-pixels and described 4th sub-pixels are arranged in the same row of matrix, and described second sub-pixels and described 3rd sub-pixels are then arranged in another adjacent row.
5. display panel as claimed in claim 1, it is characterized in that, each described sweep trace is connected with respective scan drive cell respectively by a connecting bridge, and each described data line is connected with respective data drive unit respectively by a connecting bridge.
6. display panel as claimed in claim 1, it is characterized in that, each sub-pixel is electrically connected by data line described in sweep trace and adjacent described in a thin film transistor (TFT) and adjacent, thin film transistor (TFT) described in each have be electrically connected with described data line one source pole, and the grid that is electrically connected of described sweep trace and the drain electrode that is electrically connected with the pixel electrode of described sub-pixel.
7. display panel as claimed in claim 1, it is characterized in that, described first sub-pixels is red sub-pixel, and described second sub-pixels is green sub-pixels, and described 3rd sub-pixels is blue subpixels, and described 4th sub-pixels is white sub-pixels.
8. a detection method for the display panel as described in as arbitrary in claim 1 to 7, it is characterized in that, the method comprises:
High-order voltage is all applied to the scan drive cell be connected with the sub-pixel of same color and data drive unit, all apply low level voltage to the scan drive cell connecting other colors and data drive unit simultaneously, make described display panel show the pure color picture of solid color.
9. a thin-film transistor array base-plate, comprising: a plurality of data lines, multi-strip scanning line and multiple pixel arranged in a matrix fashion; This plurality of data lines intersects vertically with this multi-strip scanning line respectively; Each pixel comprises the multiple sub-pixels in the matrix being arranged in one or two row two row, and the plurality of sub-pixel comprises the first sub-pixels, the second sub-pixels, the 3rd sub-pixels and the 4th sub-pixels; At least one data line is provided with between two adjacent row sub-pixels; With in each pixel of a line, between two adjacent row sub-pixels, be provided with one first sweep trace; One second sweep trace is provided with between two adjacent row pixels; It is characterized in that: the sub-pixel of the same color of same row is all connected to same data line and each this data line is connected with the sub-pixel of two kinds of different colours at the most; Described a plurality of data lines is driven by least two data drive unit, each data drive unit by coupled each data line to the sub-pixel of multi-link two kinds of colors; All described first sub-pixels and all described second sub-pixels of the first sweep trace described in each and adjacent a line are connected; All described 3rd sub-pixels and all described 4th sub-pixels of the second sweep trace described in each and adjacent a line are connected; All described first sweep traces are driven simultaneously, and all described second sweep traces are driven simultaneously.
10. thin-film transistor array base-plate as claimed in claim 9, it is characterized in that, data line described in one is only provided with between two often adjacent row sub-pixels, the sub-pixel of odd column is connected with the data line of adjacent odd column, the sub-pixel of even column is connected with the data line of adjacent even column, the all described data line of odd column is all connected to one first data drive unit, the all described data line of even column is all connected to one second data drive unit, each described first sweep trace is all connected to one first scan drive cell, each described second sweep trace is all connected to one second scan drive cell.
11. thin-film transistor array base-plates as claimed in claim 9, it is characterized in that, two described data lines are equipped with between two often adjacent row sub-pixels, each data line is only connected with the sub-pixel of all same colors in same column, described data drive unit comprises four, and all data lines be connected with same data drive unit all only connect the sub-pixel of same color.
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