CN107817631A - A kind of liquid crystal panel - Google Patents
A kind of liquid crystal panel Download PDFInfo
- Publication number
- CN107817631A CN107817631A CN201711018944.1A CN201711018944A CN107817631A CN 107817631 A CN107817631 A CN 107817631A CN 201711018944 A CN201711018944 A CN 201711018944A CN 107817631 A CN107817631 A CN 107817631A
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- Prior art keywords
- liquid crystal
- crystal panel
- pixel region
- tft
- thin film
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of liquid crystal panel.The liquid crystal panel includes array base palte, and the array base palte includes：Multi-strip scanning line, a plurality of public electrode wire set with multi-strip scanning line a plurality of data lines arranged in a crossed manner, with a plurality of data lines with layer and the multiple pixel cells limited by multi-strip scanning line and a plurality of data lines, each pixel cell is including main pixel region and from pixel region；Wherein, when matching somebody with somebody phase to liquid crystal panel progress light, the voltage that voltage is equal with the voltage that data wire input, scan line inputs of public electrode wire input is controlled more than the cut-in voltage of each thin film transistor (TFT) in pixel cell, so as to main pixel region and there is identical voltage from pixel region.By the above-mentioned means, the present invention, which can reduce liquid crystal panel light, matches somebody with somebody phase process because different pressure differences cause with mutually disorderly situation, improve liquid crystal panel light and match somebody with somebody the stability of phase and its with phase ability.
Description
Technical field
The present invention relates to field of liquid crystal display, more particularly to a kind of liquid crystal panel.
Background technology
Liquid crystal panel (Liquid Crystal Display, LCD) has many merits such as thin fuselage, power saving, radiationless,
Obtain widely applying, such as：LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or
Notebook computer screen etc., occupies an leading position in flat display field.
With the development of liquid panel technique, liquid crystal panel is lifted using multidomain (MultipleDomain) Display Technique
The display capabilities of product, at present commonly 4Domain and 8Domain Display Techniques.And multidomain Display Technique need to use it is more
Individual thin film transistor (TFT) (TFT) controls the main pixel region in pixel cell and the voltage from pixel region respectively, wherein, main picture
Plain region and the liquid crystal molecule for corresponding to multiple farmlands respectively from pixel region.
During light is carried out to multidomain liquid crystal panel and matches somebody with somebody phase, the voltage due to main pixel region and from pixel region is not
Together, so that liquid crystal rotation is different with the initial liquid crystal angle mutually formed, and then easily occur with mutually disorderly situation, so as to
Influence the display of liquid crystal panel.
The content of the invention
The present invention solves the technical problem of a kind of liquid crystal panel is provided, liquid crystal panel light can be reduced and match somebody with somebody phase process
It is middle to occur with mutually disorderly situation.
In order to solve the above technical problems, one aspect of the present invention is：A kind of liquid crystal panel is provided, the liquid crystal
Panel includes array base palte, and the array base palte includes：Multi-strip scanning line, with multi-strip scanning line a plurality of data lines arranged in a crossed manner,
The a plurality of public electrode wire set with a plurality of data lines with layer and the multiple pictures limited by multi-strip scanning line and a plurality of data lines
Plain unit, each pixel cell include main pixel region and from pixel regions；Wherein, when matching somebody with somebody phase to liquid crystal panel progress light,
The voltage that voltage is equal with the voltage that data wire input, scan line inputs of public electrode wire input is controlled more than in pixel cell
The cut-in voltage of each thin film transistor (TFT), so as to main pixel region and there is identical voltage from pixel region.
The beneficial effects of the invention are as follows：The liquid crystal panel of the present invention is by during carrying out light and matching somebody with somebody phase, controlling common electrical
The voltage that voltage is equal with the voltage that data wire input, scan line inputs of polar curve input is more than each film crystal in pixel cell
The cut-in voltage of pipe, so as to main pixel region and there is identical voltage from pixel region.By the above-mentioned means, the present invention can
Liquid crystal panel light is reduced with phase process because different pressure differences cause with mutually disorderly situation, improves the stabilization that liquid crystal panel light matches somebody with somebody phase
Property and its with phase ability.
Brief description of the drawings
Fig. 1 is the structural representation of the liquid crystal panel of the embodiment of the present invention；
Fig. 2 is the circuit diagram of the pixel cell in array base palte in liquid crystal panel shown in Fig. 1；
Fig. 3 is the structural representation of the pixel cell in array base palte in liquid crystal panel shown in Fig. 1；
Fig. 4 is the schematic diagram of the voltage applied in the liquid crystal panel shown in Fig. 1.
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 liquid crystal panel of the embodiment of the present invention.As shown in figure 1, liquid crystal panel includes array base
Color membrane substrates 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 color membrane substrates 2
3。
Color membrane substrates 2 include glass substrate 21 and the common electrode layer 22 being arranged on glass substrate 21, wherein, common electrical
Pole layer 22 is made up of the tin indium oxide (ITO) in whole face.
Please also refer to Fig. 2 and Fig. 3, Fig. 2 is that the circuit of pixel cell in array base palte in liquid crystal panel shown in Fig. 1 shows
It is intended to, Fig. 3 is the structural representation of pixel cell in array base palte in liquid crystal panel shown in Fig. 1.As shown in Figures 2 and 3, battle array
Row substrate 1 includes the multi-strip scanning line Gate and a plurality of data lines Date and the same layers of a plurality of data lines Date of orthogonal intersection
The a plurality of public electrode wire Acom set and the multiple pixel lists limited by multi-strip scanning line Gate and a plurality of data lines Date
Member 11, each pixel cell 11 include main pixel region 111 and from pixel regions 112.
Main pixel region 111 includes main thin film transistor (TFT) T1 and main pixel electrode A1.Wherein, main thin film transistor (TFT) T1 grid
Pole is connected with scan line Gate, and main thin film transistor (TFT) T1 source electrode is connected with data wire Date, main thin film transistor (TFT) T1 drain electrode
It is connected with main pixel electrode A1.
Wherein, the first liquid crystal capacitance C is formed between the common electrode layer 22 in main pixel electrode A1 and color membrane substrates 2LC1。
That is, main thin film transistor (TFT) T1 drain electrode and the first liquid crystal capacitance CLC1One end connection, the first liquid crystal capacitance CLC1It is another
One end is connected with the public electrode wire CFcom in common electrode layer 22.
Include from pixel region 112 from thin film transistor (TFT) T2, shared thin film transistor (TFT) T3 and from pixel electrode A2.Wherein,
It is connected with scan line Gate from thin film transistor (TFT) T2 grid, is connected from thin film transistor (TFT) T2 source electrode with data wire Date, from
Thin film transistor (TFT) T2 drain electrode is connected with from pixel electrode A2, shared thin film transistor (TFT) T3 source electrode, shares thin film transistor (TFT) T3
Grid be connected with scan line Gate, shared thin film transistor (TFT) T3 drain electrode is connected with public electrode wire Acom.
Wherein, from forming the second liquid crystal capacitance C between the common electrode layer 22 in pixel electrode A2 and color membrane substrates 2LC2。
That is, drain electrode and the second liquid crystal capacitance C from thin film transistor (TFT) T2LC2One end connection, the second liquid crystal capacitance CLC2It is another
One end is connected with the public electrode wire CFcom in common electrode layer 22.
In the present embodiment, main pixel region 111 and the liquid crystal molecule from respective corresponding four farmlands of pixel region 112.
In other embodiments, main pixel region 111 and multiple farmlands different from four farmlands can also be each corresponded to from pixel region 112
Liquid crystal molecule.
In the present embodiment, when carrying out light to liquid crystal panel and match somebody with somebody phase, the voltage of control public electrode wire Acom input and
The voltage of data wire Date inputs is equal, and the voltage of scan line Gate inputs is more than each thin film transistor (TFT) in pixel cell 11 and opened
Voltage is opened, so that winner's pixel region 111 and there is identical voltage from pixel region 112.
Specifically, when matching somebody with somebody phase to liquid crystal panel progress light, there is provided it is brilliant that the voltage to scan line Gate is more than main film
Body pipe T1, from thin film transistor (TFT) T2, shared thin film transistor (TFT) T3 cut-in voltage Vth so that winner thin film transistor (TFT) T1, from
Thin film transistor (TFT) T2, shared thin film transistor (TFT) T3 are in passing through channel isolation in open mode, namely three thin film transistor (TFT)s
Source electrode and drain electrode the moment be in short-circuit condition.It is identical when being supplied to public electrode wire Acom and data wire Data voltage
During positive voltage, then main pixel region 111 and the voltage from pixel region 112 are in same level, ensure that light with mutually mistake
Pressure difference in journey between main pixel region 111 and common electrode layer 22 from pixel region 112 with color membrane substrates 2 is identical, and then
Make winner's pixel region 111 and the first liquid crystal formed respectively with the common electrode layer 22 on color membrane substrates 2 from pixel region 112
Electric capacity CLC1With the second liquid crystal capacitance CLC2Capacitance it is identical, so as to reduce in the prior art liquid crystal panel light with phase process by
Cause in different pressure differences with mutually disorderly situation, improve liquid crystal light and match somebody with somebody the stability of phase and its with phase ability.
In the present embodiment, array base palte 1 further comprises on a plurality of data lines Data and public electrode wire Acom
A plurality of DBS (Data Line BM Less) public electrode wire Dcom, a plurality of DBS public electrode wires Dcom via via with it is right
The public electrode wire Acom electrical connections answered.
Preferably, a plurality of DBS public electrode wires Dcom and a plurality of data lines Data are correspondingly arranged, DBS public electrode wires
Dcom width is more than data wire Data width, wherein, DBS public electrode wires Dcom is made up of tin indium oxide (ITO).Can be with
Understand, in liquid crystal panel normal work, the electric field that these DBS public electrode wires Dcom is formed can protect liquid crystal molecule
The state not deflected is held, so as to play the purpose of shading, and then the black of data wire corresponding position in liquid crystal panel can be saved
Colour moment battle array, increase aperture opening ratio.
Preferably, a plurality of DBS public electrode wires Dcom and multiple pixel cells 11 are the same as layer and interval setting.Specifically,
Pixel cell 11 includes sequentially the red pixel cell R of repeated arrangement, green pixel cell G and blue pixel cells B, DBS are public
Common-battery polar curve Dcom is separately positioned between red pixel cell R and green pixel cell G, green pixel cell G and blue picture
Between plain unit B, between blue pixel cells B and red pixel cell R.
In the present embodiment, when carrying out light to liquid crystal panel and match somebody with somebody phase, due to DBS public electrode wires Dcom via via and
Corresponding public electrode wire Acom electrical connection, then DBS public electrode wires Dcom voltage with main pixel region 111, from pixel region
The voltage in domain 112 is in same level, and then causes DBS public electrode wires Dcom, main pixel region 111 and from pixel region
Pressure difference between 112 and the common electrode layer 22 of color membrane substrates 2 is identical, matches somebody with somebody phase so as to further improve liquid crystal panel light
Stability and its with phase ability.
Please also refer to Fig. 4, Fig. 4 is the schematic diagram of the voltage applied in the liquid crystal panel shown in Fig. 1.As shown in figure 4, work as
When matching somebody with somebody phase to liquid crystal panel progress light, the voltage being applied on data wire Data is Vdata, it is applied on public electrode wire Acom
Voltage be VAcom, wherein Vdata=VAcom。
Because DBS public electrode wires Dcom electrically connects via via with public electrode wire Acom, so that DBS common electricals
Voltage V on polar curve DcomDcom=VAcom。
Because scan line Gate voltage is more than main thin film transistor (TFT) T1, from thin film transistor (TFT) T2, shared thin film transistor (TFT)
T3 cut-in voltage Vth, so that winner's pixel region 111 is equal with the voltage from pixel region 112, namely Vmain-pixel=
Vsub-pixel=VAcom。
Due to the voltage V of the common electrode layer 22 of color membrane substrates 2CFcomFor constant voltage values, so that winner's pixel region
111st, it is identical with the pressure difference of common electrode layer 22 from pixel region 112, DBS public electrode wires Dcom.
The beneficial effects of the invention are as follows：The liquid crystal panel of the present invention is by when progress light matches somebody with somebody phase, controlling public electrode wire
The voltage of input is equal with the voltage that data wire inputs, the voltage of scan line input is more than each thin film transistor (TFT) in pixel cell
Cut-in voltage, so as to main pixel region and there is identical voltage from pixel region.By the above-mentioned means, the present invention can reduce
Liquid crystal panel light matches somebody with somebody phase process because different pressure differences cause with mutually disorderly situation, improves liquid crystal light and matches somebody with somebody the stability of phase and its match somebody with somebody
Phase ability.
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 liquid crystal panel, it is characterised in that the liquid crystal panel includes array base palte, and the array base palte includes：It is a plurality of
Scan line, a plurality of public affairs set with multi-strip scanning line a plurality of data lines arranged in a crossed manner, with a plurality of data lines with layer
Common-battery polar curve and the multiple pixel cells limited by the multi-strip scanning line and a plurality of data lines, each pixel cell
Including main pixel region and from pixel region；
Wherein, when matching somebody with somebody phase to liquid crystal panel progress light, the voltage of the public electrode wire input and the data are controlled
The voltage of equal, the described scan line input of voltage of line input is more than the unlatching electricity of each thin film transistor (TFT) in the pixel cell
Pressure, so as to the main pixel region and described there is identical voltage from pixel region.
2. liquid crystal panel according to claim 1, it is characterised in that the main pixel region include main thin film transistor (TFT) and
Main pixel electrode；
The grid of the main thin film transistor (TFT) is connected with the scan line, source electrode and the data wire of the main thin film transistor (TFT)
Connection, the drain electrode of the main thin film transistor (TFT) are connected with the main pixel electrode.
3. liquid crystal panel according to claim 2, it is characterised in that it is described from pixel region include from thin film transistor (TFT),
Shared thin film transistor (TFT) and from pixel electrode；The grid from thin film transistor (TFT) is connected with the scan line, described from film
The source electrode of transistor is connected with the data wire, the drain electrode from thin film transistor (TFT) with it is described from pixel electrode, it is described shared
The source electrode connection of thin film transistor (TFT), the grid of the shared thin film transistor (TFT) are connected with the scan line, and the shared film is brilliant
The drain electrode of body pipe is connected with the public electrode wire.
4. liquid crystal panel according to claim 1, it is characterised in that the array base palte further comprises located at described more
A plurality of DBS public electrode wires above data line and the public electrode wire, a plurality of DBS public electrode wires are via via
Electrically connected with the corresponding public electrode wire.
5. liquid crystal panel according to claim 4, it is characterised in that a plurality of DBS public electrode wires and a plurality of described
Data wire is correspondingly arranged, and the width of the DBS public electrode wires is more than the width of the data wire.
6. liquid crystal panel according to claim 5, it is characterised in that a plurality of DBS public electrode wires with it is multiple described
Pixel cell is the same as layer and interval setting.
7. liquid crystal panel according to claim 4, it is characterised in that the liquid crystal panel further comprise color membrane substrates and
Liquid crystal layer, the color membrane substrates are oppositely arranged with the array base palte, and the liquid crystal layer is clamped in the array base palte and described
Between color membrane substrates；
It is the main pixel region, described from pixel region, the DBS common electricals when carrying out light to the liquid crystal panel and matching somebody with somebody phase
Voltage difference between polar curve and the common electrode layer of the color membrane substrates is identical.
8. liquid crystal panel according to claim 7, it is characterised in that when matching somebody with somebody phase to liquid crystal panel progress light, institute
State main pixel region, the first liquid crystal capacitance that the common electrode layer on the sub-pixel region and the color membrane substrates is formed, the
The capacitance of two liquid crystal capacitances is identical.
9. liquid crystal panel according to claim 1, it is characterised in that the main pixel region and described each from pixel region
Liquid crystal molecule from corresponding four farmlands.
10. liquid crystal panel according to claim 1, it is characterised in that the pixel cell includes red pixel cell, green
Color pixel unit and blue pixel cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018944.1A CN107817631B (en) | 2017-10-26 | 2017-10-26 | Liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018944.1A CN107817631B (en) | 2017-10-26 | 2017-10-26 | Liquid crystal display panel |
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| Publication Number | Publication Date |
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| CN107817631A true CN107817631A (en) | 2018-03-20 |
| CN107817631B CN107817631B (en) | 2020-12-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711018944.1A Active CN107817631B (en) | 2017-10-26 | 2017-10-26 | Liquid crystal display panel |
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Cited By (8)
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| CN109298574A (en) * | 2018-11-20 | 2019-02-01 | 深圳市华星光电技术有限公司 | A kind of array substrate and display panel |
| CN110928084A (en) * | 2019-11-18 | 2020-03-27 | 深圳市华星光电半导体显示技术有限公司 | Pixel unit, array substrate and display device |
| CN111081717A (en) * | 2019-12-06 | 2020-04-28 | Tcl华星光电技术有限公司 | Shared thin film transistor and display panel |
| CN113050330A (en) * | 2021-03-26 | 2021-06-29 | Tcl华星光电技术有限公司 | Liquid crystal display panel and alignment method thereof |
| CN113257203A (en) * | 2021-05-12 | 2021-08-13 | Tcl华星光电技术有限公司 | Pixel driving circuit and liquid crystal display panel |
| WO2021168921A1 (en) * | 2020-02-28 | 2021-09-02 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
| CN115377127A (en) * | 2022-10-25 | 2022-11-22 | 惠科股份有限公司 | Array substrate, preparation method thereof and display panel |
| US11847989B2 (en) | 2021-05-12 | 2023-12-19 | Tcl China Star Optoelectronics Technology Co., Ltd. | Pixel driving circuit and liquid crystal display panel |
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| US11789328B2 (en) | 2021-03-26 | 2023-10-17 | Tcl China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and alignment method thereof |
| CN113257203A (en) * | 2021-05-12 | 2021-08-13 | Tcl华星光电技术有限公司 | Pixel driving circuit and liquid crystal display panel |
| US11847989B2 (en) | 2021-05-12 | 2023-12-19 | Tcl China Star Optoelectronics Technology Co., Ltd. | Pixel driving circuit and liquid crystal display panel |
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| Publication number | Publication date |
|---|---|
| CN107817631B (en) | 2020-12-04 |
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