CN107272278A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN107272278A CN107272278A CN201710495949.7A CN201710495949A CN107272278A CN 107272278 A CN107272278 A CN 107272278A CN 201710495949 A CN201710495949 A CN 201710495949A CN 107272278 A CN107272278 A CN 107272278A
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- Prior art keywords
- liquid crystal
- electrode
- pixel electrode
- pair
- crystal display
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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
-
- 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
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
-
- 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
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Geometry (AREA)
Abstract
The invention discloses a kind of liquid crystal display device, including upper substrate and infrabasal plate, the liquid crystal molecule that is arranged between upper substrate and infrabasal plate, include a pair of electrodes on the infrabasal plate, the upper substrate includes the second pair of electrode answered with the one pair of electrodes；Described a pair of electrodes includes the first pixel electrode and the first public electrode；Second pair of electrode includes the second pixel electrode and the second public electrode；Insulating barrier is equipped between first pixel electrode and the second public electrode and between the second pixel electrode and the second public electrode.The present invention can control the warpage of liquid crystal molecule to improve penetrance in ON state, accelerate the ON state speed of liquid crystal molecule；Accelerate in OFF state the turnaround time of liquid crystal molecule, and maintaining to reduce the refractive index of liquid crystal on the basis of box thickness is constant, so that the brightness of dark-state is reduced, the final contrast for improving liquid crystal display.
Description
Technical field
The invention belongs to technical field of liquid crystal display, more particularly to a kind of liquid crystal display device.
Background technology
FFS (Fringe Field Switching, fringe field) technology belongs to LCD wide viewing angle technology, wide viewing angle
Technology is primarily to make the angle of visibility of panel wider, it helps other characteristic performances such as image quality, brightness.
As shown in figure 1, fringe field liquid crystal display panel includes upper substrate 1-1 and infrabasal plate 1-2, positioned at upper substrate 1-1
Liquid crystal molecule 1-6 (Liquid Crystal, LC) between infrabasal plate 1-2, infrabasal plate is provided with pixel electrode 1-3 and public
Electrode 1-4, provided with close liquid crystal point on insulating barrier 1-5, upper substrate 1-1 and infrabasal plate 1-2 between pixel electrode and public electrode
The inner side of son is equipped with PI (Polyimide) both alignment layers 1-7.
Traditional FFS orientation mode uses polish-brush orientation (rubbing) or light orientation, makes liquid crystal molecule along both alignment layers ditch
Road is arranged.Liquid crystal molecule rotates under the electric field that infrabasal plate side is produced during ON state；In OFF state, liquid crystal molecule is in both alignment layers grappling
Original state is returned in the presence of power.The existing product response time is not fast enough, and penetrance has to be hoisted, such as when to accelerate to respond
Between go to reduce box thickness and must increase refractive index, and this can reduce contrast, and opposite increase box is thick to slow down the response time again, therefore
It need to improve above-mentioned performance.
The content of the invention
Goal of the invention：For problem above, the present invention proposes a kind of liquid crystal display device, can be during processing procedure
Optimize the arrangement of liquid crystal molecule, so as to reduce the turnaround time that dark-state improves contrast and quickening liquid crystal molecule.
Technical scheme：To realize the purpose of the present invention, the technical solution adopted in the present invention is：A kind of liquid crystal display dress
Put, including upper substrate and infrabasal plate, the liquid crystal molecule that is arranged between upper substrate and infrabasal plate, include first on the infrabasal plate
To electrode, the upper substrate includes the second pair of electrode answered with the one pair of electrodes；Described a pair of electrodes includes first
Pixel electrode and the first public electrode；Second pair of electrode includes the second pixel electrode and the second public electrode；Described first
Insulating barrier is equipped between pixel electrode and the second public electrode and between the second pixel electrode and the second public electrode；
First pixel electrode and first public electrode produce the first electric field, second pixel electrode and described
Second public electrode produces the second electric field；
First electric field and the second electric field driven liquid crystal molecule are reversed to predeterminated position from initial position.
Further, the infrabasal plate also includes the 3rd pair of electrode, and the 3rd pair of electrode includes the 3rd pixel electrode and the
Three public electrodes, during OFF state, the 3rd pixel electrode and the 3rd public electrode produce the 3rd electric field, the 3rd electric field driven liquid crystal molecule
Initial position is returned back to from predeterminated position.
Further, first pixel electrode is above or below the 3rd pixel electrode, and the first public electrode is the 3rd
Above or below public electrode.
Further, the first pixel electrode is located at the top of the 3rd pixel electrode, and the first public electrode is located at the 3rd common electrical
The top of pole, and the 3rd pixel electrode is located at the top of the first public electrode.
Further, the upper substrate sets gradually insulating barrier, chromatograph and orientation film layer below the second pixel electrode.
Further, the liquid crystal molecule between the upper substrate and the infrabasal plate is positivity liquid crystal molecule, second picture
The length direction of plain electrode is vertical with the alignment direction of the liquid crystal molecule.
Further, the liquid crystal molecule between the upper substrate and the infrabasal plate is negative liquid crystal molecule, second picture
The length direction of plain electrode is parallel with the alignment direction of the liquid crystal molecule.
Further, second pixel electrode includes multiple strip shaped electric poles arranged in parallel.
Further, the upper substrate is color membrane substrates, and the infrabasal plate is array base palte.
Further, upper substrate and infrabasal plate are respectively equipped with the TFT switch of second pair of electrode of control and the 3rd pair of electrode.
Beneficial effect：The liquid crystal display device of the present invention can control the warpage of liquid crystal molecule in ON state, so as to improve
Penetrance, accelerates the ON state speed of liquid crystal molecule；Accelerate in OFF state the turnaround time of liquid crystal molecule, and maintaining box thick not
The refractive index of liquid crystal can be reduced on the basis of change, the reduction of liquid-crystal refractive-index causes the constant at random of liquid crystal to reduce, so as to reduce
The brightness of dark-state, the final contrast for improving liquid crystal display.
Brief description of the drawings
Fig. 1 is the structural representation of existing fringe field liquid crystal display panel；
Fig. 2 is the liquid crystal display device of the present invention；
Fig. 3 is the driving schematic diagram of the positivity liquid crystal of liquid crystal display device described in Fig. 2；
Fig. 4 is the driving schematic diagram of the negative liquid crystal of liquid crystal display device described in Fig. 2.
Embodiment
Technical scheme is further described with reference to the accompanying drawings and examples.
Liquid crystal display device of the present invention as shown in Figure 2, including upper substrate 1 and infrabasal plate 2, positioned at upper substrate 1 and lower base
Liquid crystal molecule (Liquid Crystal, LC) between plate 2.Infrabasal plate 2 is provided with a pair of electrodes and the 3rd pair of electrode；First
First pixel electrode 3 and the first public electrode 4 are included to electrode；It is public that 3rd pair of electrode includes the 3rd pixel electrode 5 and the 3rd
Electrode 6；The first insulating barrier 7 is provided between first pixel electrode 3 and the 3rd pixel electrode 5；3rd pixel electrode 5 and first is public
The second insulating barrier 8 is provided between electrode 4；The 4th insulating barrier 9 is provided between first public electrode 4 and the 3rd public electrode 6.
Wherein, upper substrate 1 is color membrane substrates, and infrabasal plate 2 is array base palte.
Infrabasal plate 2 be additionally provided with the first TFT switch for being connected with the first pixel electrode 3 of control and with the 3rd pixel electrode 5
3rd TFT switch of connection, i.e. a pair of electrodes is controlled by the first TFT switch, and the 3rd pair of electrode is controlled by the 3rd TFT switch.
First pixel electrode 3 can be above or below the 3rd pixel electrode 5, and the first public electrode 4 can be in the 3rd public electrode 6
Above or below.In the present embodiment, the first pixel electrode 3 is located at the top of the 3rd pixel electrode 5, the first public electrode 4
Positioned at the top of the 3rd public electrode 6, and the 3rd pixel electrode 5 is located at the top of the first public electrode 4.
During ON state, the first pixel electrode 3 and the first public electrode 5 produce the first electric field, the first electric field driven liquid crystal molecule
Reversed from initial position to predeterminated position；During OFF state, the 3rd pixel electrode 5 and the 3rd public electrode 6 produce the 3rd electric field, the 3rd
Electric field driven liquid crystal molecule returns back to initial position from predeterminated position, reduces the response time of OFF state.
Upper substrate 1 provided with second pair of electrode, second pair of electrode include the second pixel electrode 11 and the second public electrode 12,
The 5th insulating barrier 13 between the second pixel electrode 11 and the second public electrode 12.
The present invention on upper substrate 1 by increasing and a pair of electrodes corresponding second pair of electrode, second pair of electrode completely
Including the second pixel electrode 11 and the second public electrode 12, the second pixel electrode 11 and the second public electrode 12 are by switch individually control
System.
During ON state, the second pixel electrode 11 and the second public electrode 12 produce the second electric field, the first electric field and the second electric field
Driving liquid crystal molecule is reversed to predeterminated position from initial position.
The present invention is respectively provided with switching device on upper substrate 1 and infrabasal plate 2, to control second pair of electrode and the 3rd pair of electricity
Pole, so as to control response speed simultaneously (starting second electrode and the 3rd electrode if when temperature is relatively low) capable of reducing energy consumption.
Upper substrate 1 and infrabasal plate 2 are equipped with orientation film layer on the inside of liquid crystal molecule.The second pixel electricity of upper substrate 1
The side of pole 11 sets gradually the 5th insulating barrier 13, chromatograph 14 and orientation film layer 15, and chromatograph 14 is color film (Color Filter) layer, is risen
The effect of colour developing.The side of the first pixel electrode 3 on infrabasal plate 2 sets orientation film layer 16.
As shown in figure 3, the liquid crystal molecule between upper substrate 1 and infrabasal plate 2 is positivity liquid crystal molecule, the second pixel electrode 11
Length direction it is vertical with the alignment direction of liquid crystal molecule, the second pixel electrode 11 include multiple strip shaped electric poles arranged in parallel.
During power-up, electric field and the second pixel electrode 11 that liquid crystal molecule is produced between the first pixel electrode 3 and the first public electrode 4 and
Start rotation under the double action of the electric field produced between second public electrode 12；In OFF state, liquid crystal molecule is in the 3rd pixel
The electric field that the public electrode 6 of electrode 5 and the 3rd is produced in the presence of the anchoring energy of orientation membrane molecule with being returned to original position.
As shown in figure 4, the liquid crystal molecule between upper substrate 1 and infrabasal plate 2 is negative liquid crystal molecule, the second pixel electrode 11
Length direction it is parallel with the alignment direction of liquid crystal molecule, the second pixel electrode 11 include multiple strip shaped electric poles arranged in parallel.
During power-up, electric field and the second pixel electrode that liquid crystal molecule is produced between the first pixel electrode 3 and the first public electrode 4
11 and second the electric field produced between public electrode 12 double action under start rotation；In OFF state, liquid crystal molecule is the 3rd
The electric field that the public electrode 6 of pixel electrode 5 and the 3rd is produced in the presence of the anchoring energy of orientation membrane molecule with being returned to original position.
Claims (10)
1. a kind of liquid crystal display device, including upper substrate and infrabasal plate, the liquid crystal molecule that is arranged between upper substrate and infrabasal plate,
It is characterized in that：Include a pair of electrodes on the infrabasal plate, the upper substrate includes the answered with the one pair of electrodes
Two pairs of electrodes；Described a pair of electrodes includes the first pixel electrode and the first public electrode；Second pair of electrode includes second
Pixel electrode and the second public electrode；Between first pixel electrode and the second public electrode and the second pixel electrode and
Insulating barrier is equipped between second public electrode；
First pixel electrode and first public electrode produce the first electric field, second pixel electrode and described second
Public electrode produces the second electric field；
First electric field and the second electric field driven liquid crystal molecule are reversed to predeterminated position from initial position.
2. liquid crystal display device according to claim 1, it is characterised in that：The infrabasal plate also includes the 3rd pair of electrode,
The 3rd pair of electrode includes the 3rd pixel electrode and the 3rd public electrode, during OFF state, the 3rd pixel electrode and the 3rd common electrical
Pole produces the 3rd electric field, and the 3rd electric field driven liquid crystal molecule returns back to initial position from predeterminated position.
3. liquid crystal display device according to claim 2, it is characterised in that：First pixel electrode is in the 3rd pixel electricity
Above or below pole, the first public electrode is above or below the 3rd public electrode.
4. liquid crystal display device according to claim 3, it is characterised in that：First pixel electrode is located at the 3rd pixel electrode
Top, the first public electrode be located at the 3rd public electrode top, and the 3rd pixel electrode be located at the first public electrode it is upper
Side.
5. liquid crystal display device according to claim 1, it is characterised in that：The upper substrate is under the second pixel electrode
Side sets gradually insulating barrier, chromatograph and orientation film layer.
6. liquid crystal display device according to claim 1, it is characterised in that：Between the upper substrate and the infrabasal plate
Liquid crystal molecule is positivity liquid crystal molecule, and the length direction of second pixel electrode hangs down with the alignment direction of the liquid crystal molecule
Directly.
7. liquid crystal display device according to claim 4, it is characterised in that：Between the upper substrate and the infrabasal plate
Liquid crystal molecule is negative liquid crystal molecule, and the length direction of second pixel electrode is put down with the alignment direction of the liquid crystal molecule
OK.
8. liquid crystal display device according to claim 1, it is characterised in that：Second pixel electrode includes arranged in parallel
Multiple strip shaped electric poles.
9. liquid crystal display device according to claim 1, it is characterised in that：The upper substrate be color membrane substrates, it is described under
Substrate is array base palte.
10. liquid crystal display device according to claim 1, it is characterised in that：Upper substrate and infrabasal plate are respectively equipped with control
The TFT switch of second pair of electrode and the 3rd pair of electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495949.7A CN107272278A (en) | 2017-06-26 | 2017-06-26 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710495949.7A CN107272278A (en) | 2017-06-26 | 2017-06-26 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107272278A true CN107272278A (en) | 2017-10-20 |
Family
ID=60068720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710495949.7A Pending CN107272278A (en) | 2017-06-26 | 2017-06-26 | Liquid crystal display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107272278A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904630A (en) * | 2021-02-22 | 2021-06-04 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN113359358A (en) * | 2021-06-17 | 2021-09-07 | 武汉华星光电技术有限公司 | Liquid crystal display panel and driving method of liquid crystal display panel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000214465A (en) * | 1999-01-22 | 2000-08-04 | Seiko Epson Corp | Liquid crystal device and electronic equipment |
| CN101063778A (en) * | 2006-04-27 | 2007-10-31 | Lg.菲利浦Lcd株式会社 | Ips mode LCD and driving method thereof |
| CN103364999A (en) * | 2012-03-28 | 2013-10-23 | 瀚宇彩晶股份有限公司 | IPS (in-plane switching) liquid crystal display device |
| CN105242464A (en) * | 2015-11-13 | 2016-01-13 | 武汉华星光电技术有限公司 | Liquid crystal display, method for shortening response time thereof, and array substrate |
| CN105954945A (en) * | 2016-06-28 | 2016-09-21 | 联想(北京)有限公司 | Liquid crystal display panel and liquid crystal display apparatus |
-
2017
- 2017-06-26 CN CN201710495949.7A patent/CN107272278A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000214465A (en) * | 1999-01-22 | 2000-08-04 | Seiko Epson Corp | Liquid crystal device and electronic equipment |
| CN101063778A (en) * | 2006-04-27 | 2007-10-31 | Lg.菲利浦Lcd株式会社 | Ips mode LCD and driving method thereof |
| CN103364999A (en) * | 2012-03-28 | 2013-10-23 | 瀚宇彩晶股份有限公司 | IPS (in-plane switching) liquid crystal display device |
| CN105242464A (en) * | 2015-11-13 | 2016-01-13 | 武汉华星光电技术有限公司 | Liquid crystal display, method for shortening response time thereof, and array substrate |
| CN105954945A (en) * | 2016-06-28 | 2016-09-21 | 联想(北京)有限公司 | Liquid crystal display panel and liquid crystal display apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904630A (en) * | 2021-02-22 | 2021-06-04 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN113359358A (en) * | 2021-06-17 | 2021-09-07 | 武汉华星光电技术有限公司 | Liquid crystal display panel and driving method of liquid crystal display panel |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |