CN107643639A - A kind of dot structure, array base palte and display panel - Google Patents
A kind of dot structure, array base palte and display panel Download PDFInfo
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- CN107643639A CN107643639A CN201711012920.5A CN201711012920A CN107643639A CN 107643639 A CN107643639 A CN 107643639A CN 201711012920 A CN201711012920 A CN 201711012920A CN 107643639 A CN107643639 A CN 107643639A
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Abstract
The invention discloses a kind of dot structure, array base palte and display panel.The dot structure includes multiple pixel cells arranged in arrays, and each pixel cell includes main pixel cell and from pixel cell；Wherein, the main pixel cell of Nth row m column, for receiving the scanning signal from the N articles scan line, and then receive the data-signal from M data lines and there is main pixel voltage；The sub-pixel unit of Nth row m column, for receiving the scanning signal from the N articles scan line, and then there is sub-pixel voltage by the N+1 articles scan line electric discharge while data-signal of the reception from M data lines.By the above-mentioned means, the present invention can eliminate the horizontal crosstalk problem that sub-pixel unit is discharged and occurred to voltage stabilizing line.
Description
Technical field
The present invention relates to field of liquid crystal display, more particularly to a kind of dot structure, array base palte and display panel.
Background technology
Liquid crystal display panel (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous
Advantage, obtain widely applying, such as：LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer
Screen or notebook computer screen etc., occupy an leading position in flat display field.
Vertical orientation (Vertical Alignment, VA) pattern is that one kind has high-contrast, without friction matching etc.
The liquid crystal display panel of advantage pass through frequently with display pattern, but because VA patterns are using the liquid crystal that vertically rotates, liquid crystal molecule
The diversity ratio of birefringence is larger, causes colour cast (color shift) problem under big visual angle than more serious.In order to solve to regard greatly
The colour cast problem at angle, pixel cell (pixel) design of liquid crystal display panel generally use low colour cast (Low color shift)
Pixel design, also point be main pixel cell and sub-pixel unit i.e. by pixel, wherein, main pixel cell and sub-pixel unit
When charging simultaneously, voltage stabilizing line of the sub-pixel unit into pixel cell is discharged so that main pixel cell and sub-pixel unit tool
There is different current potentials, different current potentials causes the liquid crystal molecule in two regions to turn to distribution difference, improves big visual angle so as to possess
The effect of colour cast, wherein, voltage stabilizing line is for providing a constant common electric voltage to main pixel cell and sub-pixel unit.
But because sub-pixel unit directly discharges voltage stabilizing line, cause jump in potential difference on voltage stabilizing line to be amplified, so as to
By there is the problem of horizontal crosstalk during pixel cell display picture.
The content of the invention
The present invention solves the technical problem of a kind of dot structure, array base palte and display panel is provided, can disappear
The horizontal crosstalk problem that voltage stabilizing line is discharged and occurred except sub-pixel unit.
In order to solve the above technical problems, one aspect of the present invention is：A kind of dot structure is provided, the pixel
Structure includes multiple pixel cells arranged in arrays, and each pixel cell includes main pixel cell and from pixel cell；Wherein,
The main pixel cell of Nth row m column, for receiving the scanning signal from the N articles scan line, and then receive and come from the M articles number
There is main pixel voltage according to the data-signal of line；Wherein, the sub-pixel unit of Nth row m column, the N articles is come from for receiving
The scanning signal of scan line, and then discharged while data-signal of the reception from M data lines by the N+1 articles scan line
And there is sub-pixel voltage.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of array base palte is provided, the battle array
Row substrate includes the multi-strip scanning line and a plurality of data lines and above-mentioned dot structure of orthogonal intersection.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of liquid crystal panel is provided, the liquid
Crystal panel includes above-mentioned array base palte, the opposite substrate being oppositely arranged with array base palte and is held on liquid crystal therebetween
Layer.
The beneficial effects of the invention are as follows：Dot structure, array base palte and the display panel of the present invention includes arranged in arrays
Multiple pixel cells, each pixel cell includes main pixel cell and from pixel cell；Wherein, the main pixel of Nth row m column
Unit, for receiving the scanning signal from the N articles scan line, and then receive the data-signal from M data lines and have
There is main pixel voltage；Wherein, the sub-pixel unit of Nth row m column, for receiving the scanning signal from the N articles scan line, enter
And there is sub-pixel voltage by the N+1 articles scan line electric discharge while receiving the data-signal from M data lines.It is logical
Aforesaid way is crossed, the present invention can eliminate the horizontal crosstalk problem that sub-pixel unit is discharged voltage stabilizing line to occur.
Brief description of the drawings
Fig. 1 is the schematic diagram of the display panel of the embodiment of the present invention；
Fig. 2 is the structural representation of an embodiment of array base palte in display panel shown in Fig. 1；
Fig. 3 is the drive signal waveform figure for driving pixel cell in array base palte shown in Fig. 2.
Embodiment
Some vocabulary is used among specification and claims to censure specific component, the skill in art
Art personnel are, it is to be appreciated that manufacturer may call same component with different nouns.Present specification and claims
Not in a manner of the difference of title is used as and distinguishes component, but it is used as the base of differentiation with the difference of component functionally
It is accurate.The present invention is described in detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the display panel of the embodiment of the present invention.As shown in figure 1, display panel includes array base
Opposite substrate 2 that plate 1 and array base palte 1 are oppositely arranged and the liquid crystal layer being held between array base palte 1 and opposite substrate 2
3.Wherein, opposite substrate 2 can be the color membrane substrates in display panel.
Fig. 2 is the structural representation of an embodiment of array base palte in display panel shown in Fig. 1.As shown in Fig. 2 array
Multi-strip scanning line G (K) (K be natural number) and a plurality of data lines D (K) (K be natural number) of the substrate 1 including orthogonal intersection,
And the dot structure that multiple pixel cells 11 arranged in arrays are formed.
Each pixel cell 11 includes main pixel cell 111 and sub-pixel unit 112.
Wherein, the main pixel cell 111 of Nth row m column, for receiving the scanning signal from the N articles scan line G (N),
And then receive the data-signal from M data lines D (M) and there is main pixel voltage.The sub-pixel unit of Nth row m column
112, for receiving the scanning signal from the N articles scan line G (N), and then receive the data from M data lines D (M) and believe
Number while by the electric discharge of the N+1 articles scan line G (N+1) there is sub-pixel voltage.Wherein, main pixel voltage is higher than sub-pixel
Voltage.
Specifically, the main pixel cell 111 of Nth row m column includes first switching element T1, the first liquid crystal capacitance
Clc1, the first storage capacitance Cst1, the sub-pixel unit 112 of Nth row m column include second switch element T2, the second liquid crystal electricity
Hold Clc2, the second storage capacitance Cst2 and the 3rd switch element T3.Preferably, first switching element T1, second switch element T2
It is thin film transistor (TFT) with the 3rd switch element T3.
In the main pixel cell 111 of Nth row m column, first switching element T1 grid and the N articles scan line G (N) are even
Connect, first switching element T1 source electrode is connected with M data lines D (M), first switching element T1 drain electrode respectively with the first liquid
Brilliant electric capacity Clc1 one end, the first storage capacitance Cst1 one end connection, the first liquid crystal capacitance Clc1 other end and common electrical
Signal CFcom connections are pressed, the first storage capacitance Cst1 other end is connected with voltage stabilizing line Acom.Preferably, public voltage signal
CFcom is direct current signal, and the voltage regulation signal that voltage stabilizing line Acom is provided is direct current signal.
In the sub-pixel unit 112 of Nth row m column, second switch element T2 grid and the N articles scan line G (N) are even
Connect, second switch element T2 source electrode is connected with M data lines D (M), second switch element T2 drain electrode respectively with the second liquid
Brilliant electric capacity Clc2, the source electrode connection of the second storage capacitance Cst2 one end, the 3rd switch element T3, the second liquid crystal capacitance Clc2's
The other end is connected with public voltage signal CFcom, and the second storage capacitance Cst2 other end is connected with voltage stabilizing line Acom, and the 3rd opens
The grid for closing element T3 is connected with the N articles scan line G (N), and the drain electrode of the 3rd switch element connects with the N+1 articles scan line G (N+1)
Connect.
In the present embodiment, when the sub-pixel unit of Nth row m column is last column sub-pixel unit, the N+1 articles is swept
The scanning signal for retouching line G (N+1) offers is direct current signal.That is, the N+1 articles scan line G (N+1) does not realize scanning
Function, it is only the scan line of nominal (dummy).Change for an angle, when the sub-pixel unit of Nth row m column is last
During a line sub-pixel unit, the drain electrode of the 3rd switch element is connected with a signal wire with reference potential.
Please also refer to Fig. 3, Fig. 3 is the drive signal waveform figure for driving pixel cell in array base palte shown in Fig. 2.Such as figure
Shown in 3, exemplified by driving the drive signal of pixel cell 11 of Nth row m column for, g (n) is is applied to the N articles scan line G
(N) scanning signal on, g (n+1) are the scanning signal being applied on the N+1 articles scan line G (N+1), and d (m) is to be applied to M
Data-signal on data line D (M), V1 are the voltage regulation signal being applied on voltage stabilizing line Acom.
In the present embodiment, g (n) and g (n+1) effectively namely is followed successively by high level pulse signal successively, and d (m) is positive and negative
The AC signal of switching, V1 are direct current signal.
Wherein, when the scanning signal g (n) being applied on the N articles scan line G (N) is effectively also high level pulse signal
When, first switching element T1, second switch element T2, the 3rd switch element T3 are opened, and are applied on M data lines D (M)
Data-signal d (m) respectively by first switching element T1 and second switch element T2 to corresponding main pixel cell 111 and son
Pixel cell 112 is charged.At the same time, because the 3rd switch element T3 is opened, sub-pixel unit 112 is opened by the 3rd
Close element T3 to be discharged to the N+1 articles scan line G (N+1), so that sub-pixel voltage is less than main pixel voltage.
During sub-pixel unit 112 is discharged by the N+1 articles scan line G (N+1), due to the 3rd switch member
Part T3 discharge current does not interfere with the current potential of the voltage regulation signal V1 on voltage stabilizing line Acom, so as to avoid sub-pixel unit
The horizontal crosstalk problem that voltage stabilizing line is discharged and occurred.In addition, when the 3rd switch element T3 discharge current is smaller, the
Scanning signal g (n+1) on N+1 bar scan line G (N+1) is still in disarmed state, and actual displayed will not be had an impact.I.e.
Make the 3rd switch element T3 discharge current big to making the scanning signal g (n+1) on the N+1 articles scan line G (N+1) change
There is two row pixel cells namely Nth row and N+1 rows pixel cell while situation about being charged, but due to scanning signal
G (n+1) renewals after scanning signal g (n) is changed into invalid are changed into useful signal, and it will not also have an impact to actual displayed.This
The technical staff in field is appreciated that some with the display panel of pre-charging functions, and same in the same way
When open the scan line of two rows or more multirow to realize the normal display of display panel.
The beneficial effects of the invention are as follows：Dot structure, array base palte and the display panel of the present invention includes arranged in arrays
Multiple pixel cells, each pixel cell includes main pixel cell and from pixel cell；Wherein, the main pixel of Nth row m column
Unit, for receiving the scanning signal from the N articles scan line, and then receive the data-signal from M data lines and have
There is main pixel voltage；Wherein, the sub-pixel unit of Nth row m column, for receiving the scanning signal from the N articles scan line, enter
And there is sub-pixel voltage by the N+1 articles scan line electric discharge while receiving the data-signal from M data lines.It is logical
Aforesaid way is crossed, the present invention can eliminate the horizontal crosstalk problem that sub-pixel unit is discharged voltage stabilizing line to occur.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (10)
1. a kind of dot structure, it is characterised in that the dot structure includes multiple pixel cells arranged in arrays, Mei Yisuo
Stating pixel cell includes main pixel cell and from pixel cell；
Wherein, the main pixel cell of Nth row m column, for receiving the scanning signal from the N articles scan line, and then receive and
There is main pixel voltage from the data-signal of M data lines；
Wherein, the sub-pixel unit of Nth row m column, for receiving the scanning signal from scan line described in the N articles, Jin Erjie
Receive from described in the M articles while the data-signal of data wire by described in the N+1 articles scan line electric discharge and with sub-pixel electricity
Pressure.
2. dot structure according to claim 1, it is characterised in that the main pixel cell of Nth row m column includes the
One switch element, the first liquid crystal capacitance and the first storage capacitance；
Wherein, the grid of the first switching element is connected with the N articles scan line, the source electrode and M of the first switching element
Data line connects, drain electrode one end with first liquid crystal capacitance, first storage respectively of the first switching element
One end connection of electric capacity, the other end of first liquid crystal capacitance are connected with public voltage signal, first storage capacitance
The other end is connected with voltage stabilizing line.
3. dot structure according to claim 2, it is characterised in that the sub-pixel unit of Nth row m column includes the
Two switch elements, the second liquid crystal capacitance, the second storage capacitance and the 3rd switch element；
Wherein, the grid of the second switch element is connected with the N articles scan line, the source electrode and M of the second switch element
Data line connects, the drain electrode of the second switch element respectively with second liquid crystal capacitance, second storage capacitance
One end, the source electrode connection of the 3rd switch element, the other end and the public voltage signal of second liquid crystal capacitance connect
Connect, the other end of second storage capacitance is connected with the voltage stabilizing line, the grid of the 3rd switch element and the N articles scanning
Line is connected, and the drain electrode of the 3rd switch element is connected with the N+1 articles scan line.
4. dot structure according to claim 3, it is characterised in that the sub-pixel unit of Nth row m column passes through described
Three switch elements discharge to the N+1 articles scan line.
5. dot structure according to claim 3, it is characterised in that the voltage regulation signal that the voltage stabilizing line provides is believed for direct current
Number.
6. dot structure according to claim 3, it is characterised in that when the sub-pixel unit of Nth row m column is most
Afterwards described in a line during sub-pixel unit, the scanning signal that scan line described in the N+1 articles provides is direct current signal.
7. dot structure according to claim 6, it is characterised in that the data-signal that the data wire provides is just
The AC signal of negative switching；In addition to the last item scan line, the scanning signal that other scan lines provide is high level
Pulse signal.
8. dot structure according to claim 3, it is characterised in that the first switching element, second switch member
Part, the 3rd switch element are thin film transistor (TFT).
A kind of 9. array base palte, it is characterised in that the multi-strip scanning line of the array base palte including orthogonal intersection and a plurality of
Data wire and the dot structure as described in any one of claim 1 to 8.
10. a kind of display panel, it is characterised in that the display panel includes array base palte as claimed in claim 9 and institute
State opposite substrate that array base palte is oppositely arranged and be held on liquid crystal layer therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012920.5A CN107643639A (en) | 2017-10-25 | 2017-10-25 | A kind of dot structure, array base palte and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012920.5A CN107643639A (en) | 2017-10-25 | 2017-10-25 | A kind of dot structure, array base palte and display panel |
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| Publication Number | Publication Date |
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| CN107643639A true CN107643639A (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711012920.5A Pending CN107643639A (en) | 2017-10-25 | 2017-10-25 | A kind of dot structure, array base palte and display panel |
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| WO2019184113A1 (en) * | 2018-03-28 | 2019-10-03 | 惠科股份有限公司 | Display panel and display device |
| CN111308802A (en) * | 2020-03-12 | 2020-06-19 | Tcl华星光电技术有限公司 | Array substrate and display panel |
| CN111326122A (en) * | 2018-12-14 | 2020-06-23 | 惠科股份有限公司 | Driving circuit and driving device of display panel and display device |
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