CN109521618A - Liquid crystal display panel and liquid crystal display device - Google Patents
Liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN109521618A CN109521618A CN201811464900.6A CN201811464900A CN109521618A CN 109521618 A CN109521618 A CN 109521618A CN 201811464900 A CN201811464900 A CN 201811464900A CN 109521618 A CN109521618 A CN 109521618A
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
-
- 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
- G02F1/133345—Insulating layers
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13706—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal having positive dielectric anisotropy
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of liquid crystal display panels, including first substrate, the second substrate and the liquid crystal layer between first substrate and the second substrate, first substrate is equipped with auxiliary electrode, multiple sub-pixels that the second substrate is equipped with public electrode and is arranged in array, pixel electrode is equipped in each sub-pixel, liquid crystal layer uses positive liquid crystal molecules, the original state of positive liquid crystal molecules is perpendicular to first substrate and the second substrate, each pixel electrode is "<" shape or ">" shape structure, the value range of angulation θ is 30 °~83 ° between the electrode strip and horizontal direction of each pixel electrode, public electrode is for applying direct current common voltage, auxiliary electrode is for applying auxiliary reference voltage, the current potential of auxiliary reference voltage and the current potential of direct current common voltage are unequal, and the voltage difference between auxiliary electrode and public electrode is big In preset value.The invention also discloses a kind of liquid crystal display devices, including liquid crystal display panel as described above.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly to a kind of liquid crystal display panel and liquid crystal display device.
Background technique
The response time of liquid crystal display panel is made of rise time and fall time, and the rise time refers to liquid crystal display
Panel completion is shown as black state is changed into the time needed for white state shows this process liquid crystal deflection, and fall time refers to liquid crystal
Display panel completion is shown as white state is changed into the time needed for black state shows this process liquid crystal deflection.Wherein, black state is shown
Also known as dark-state is shown, the liquid crystal after deflecting at this time does not allow light to penetrate；White state shows that also known as illuminated state is shown, after deflecting at this time
Liquid crystal allows light to penetrate to the greatest extent.
FSC (field-sequential color liquid crystal show, Field Sequential Color) has quick response, light efficiency high and low
The advantages that cost, CF substrate is not needed, backlight utilizes RGB three-color light source, quickly RGB image information timesharing shown by LCD
Show on a display screen, using the eye storage characteristic combined color image of human eye, but realizes that FSC show that need faster response fast
Degree reduces the response time.
Existing liquid crystal display panel includes the liquid crystal between upper substrate, lower substrate and upper substrate and lower substrate, in dark-state
During showing that being changed into illuminated state shows this, liquid crystal is by electricity caused by the horizontal component of electric field between pixel electrode and public electrode
The effect of field force deflects；During illuminated state shows that being changed into dark-state shows this, pixel electrode and public electrode are not applied
Add gray scale voltage or the gray scale voltage of application to reduce, weaken between the two without horizontal component of electric field or horizontal component of electric field, liquid crystal is needed to first
When beginning alignment direction deflects, power suffered by the deflection process is anchorage force.However, when the viscosity between liquid crystal is larger or liquid crystal
When display device is in low temperature environment, it will receive reaction by the liquid crystal that anchorage force deflects, cause fall time elongated, to increase
The big response time, occur Caton phenomenon when image being caused to show, influences display quality.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of LCD display
Plate and liquid crystal display device, to solve, prior art liquid crystal response speed is slow and the response time is long, appearance when image being caused to show
Caton, the problem of influencing display quality.
The purpose of the invention is achieved by the following technical solution:
The present invention provides a kind of liquid crystal display panel, including first substrate, the second substrate and be located at the first substrate with should
Liquid crystal layer between the second substrate, the first substrate are equipped with auxiliary electrode, which is equipped with public electrode and is in battle array
Multiple sub-pixels of arrangement are arranged, pixel electrode is equipped in each sub-pixel, which uses positive liquid crystal molecules, the positivity liquid
The original state of brilliant molecule is perpendicular to the first substrate and the second substrate, and each pixel electrode is "<" shape or ">" shape knot
Structure, the value range of angulation θ is 30 °~83 ° between the electrode strip and horizontal direction of each pixel electrode, the public electrode
For applying direct current common voltage, the auxiliary electrode for applying auxiliary reference voltage, the current potential of the auxiliary reference voltage with should
The current potential of direct current common voltage is unequal, and the voltage difference between the auxiliary electrode and the public electrode is greater than preset value.
Further, which is ac voltage signal, and the value range of the auxiliary reference voltage magnitude
For 3V~7V.
Further, the every frame reversion of the polarity of the auxiliary reference voltage is primary.
Further, angulation θ is 45 ° between the electrode strip of each pixel electrode and the horizontal direction.
Further, the public electrode and the pixel electrode are located at different layers and pass through insulator separation.
Further, the insulating layer with a thickness of 0.1~0.25um.
Further, the public electrode and the auxiliary electrode are the planar structure of whole face setting, which is tool
There is the pectinate texture of slit.
Further, which is the planar structure of whole face setting, and the public electrode and the pixel electrode are tool
There is the pectinate texture of slit.
Further, which is the planar structure of whole face setting, and the pixel electrode and the auxiliary electrode are tool
There is the pectinate texture of slit.
The present invention also provides a kind of liquid crystal display device, which includes LCD display as described above
Plate.
The beneficial effects of the invention are that: liquid crystal display panel by using positive liquid crystal molecules, positive liquid crystal molecules just
Beginning state is perpendicular to first substrate and the second substrate, and each pixel electrode is using "<" shape or ">" shape structure, each pixel electricity
The value range of angulation θ is 30 °~83 ° between the electrode strip and horizontal direction of pole, and public electrode is for applying direct current public affairs
Common voltage, then to auxiliary electrode for applying auxiliary reference voltage, the current potential of auxiliary reference voltage and the electricity of direct current common voltage
Position is unequal, and the voltage difference between auxiliary electrode and public electrode is greater than preset value.Showing that being changed into dark-state shows by illuminated state
When showing, make liquid crystal display panel generate perpendicular to first substrate and the second substrate electric field, plus pixel electrode use " < " shape or
" > " shape structure greatly accelerates liquid crystal response speed and reduces the response time, also adds the transmitance of light, improve
Picture display quality.
Detailed description of the invention
Fig. 1 is the planar structure schematic diagram of liquid crystal display panel in the embodiment of the present invention one；
Fig. 2 is the cross section structure schematic diagram in Fig. 1 at A-A in the initial state；
Fig. 3 is cross section structure schematic diagram when A-A is in illuminated state in Fig. 1；
Fig. 4 is cross section structure schematic diagram when A-A is in dark-state in Fig. 1；
Fig. 5 is the waveform diagram being applied on liquid crystal display panel in the present invention；
Fig. 6 is the planar structure schematic diagram of liquid crystal display panel in the embodiment of the present invention two；
Fig. 7 is the planar structure schematic diagram of liquid crystal display panel in the embodiment of the present invention three；
Fig. 8 is cross section structure schematic diagram when B-B is in dark-state in Fig. 7；
Fig. 9 is cross section structure schematic diagram of the liquid crystal display panel in dark-state in the embodiment of the present invention four.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to the specific embodiment party of liquid crystal display panel proposed according to the present invention and LCD device structure
Formula, structure, feature and its effect, detailed description are as follows:
[embodiment one]
As shown in Figures 1 to 4, a kind of liquid crystal display panel provided by the invention, including first substrate 10 and first substrate
10 the second substrates 20 being oppositely arranged and the liquid crystal layer 30 between first substrate 10 and the second substrate 20.First substrate 10
It can be substrate made of the materials such as glass, acrylic acid and polycarbonate, in the present embodiment, first substrate 10 is glass substrate,
The second substrate 20 is thin-film transistor array base-plate.Liquid crystal layer 30 uses positive liquid crystal molecules, i.e. dielectric anisotropy is positive
Liquid crystal molecule, positive liquid crystal molecules using vertical orientation (i.e. the long axis Yu first substrate 10 of positive liquid crystal molecules be in 70 °~
90 °), in the present embodiment, the original state of positive liquid crystal molecules is perpendicular to first substrate 10 and the second substrate 20.
Cross section structure schematic diagram in Fig. 1 A-A at when being original state that Fig. 2 is liquid crystal display panel, liquid crystal divides at this time
Dark-state is presented basically perpendicular to first substrate 10 and the second substrate 20 in son；Fig. 3 be liquid crystal display panel be illuminated state when in Fig. 1
Cross section structure schematic diagram at A-A, liquid crystal molecule is basically parallel to first substrate 10 and the second substrate 20 at this time, and illuminated state is presented；
Cross section structure schematic diagram in Fig. 1 A-A at when being dark-state that Fig. 4 is liquid crystal display panel, liquid crystal molecule recovery at this time perpendicular to
The state of first substrate 10 and the second substrate 20, i.e. recovery dark-state；
First substrate 10 is equipped with auxiliary electrode 11 and flatness layer 12 on the side towards liquid crystal layer 30, and the second substrate 20 exists
It is equipped with public electrode 21, scan line 24 and data line 25 towards the side of liquid crystal layer 30, and by multi-strip scanning line 24 and a plurality of
Data line 25 intersects the multiple sub-pixel SP for limiting and being formed and being arranged in array, and each sub-pixel SP is interior equipped with pixel electrode 23 and thin
Film transistor 26, thin film transistor (TFT) 26 connect the scan line 24 corresponding with pixel electrode 23 of pixel electrode 23 and data line 25
It connects.In the present embodiment, each pixel electrode 23 is " < " shape structure, between the electrode strip and horizontal direction H of each pixel electrode 23
The value range of angulation θ is 30 °~83 °, and optimized angle θ is 45 °, and each pixel electrode 23 of " < " shape structure
Electrode strip direction is symmetrical with horizontal direction H；
Referring to figure 5., public electrode 21 is for applying direct current common voltage Vcom, and auxiliary electrode 11 is for applying auxiliary ginseng
Voltage Vref is examined, the current potential of the current potential and direct current common voltage Vcom of auxiliary reference voltage Vref is unequal, and auxiliary electrode 11
Voltage difference between public electrode 21 is greater than preset value (for example, 3V), and pixel electrode 23 applies with direct current common voltage Vcom
Centered on be biased to the driving voltage Vpixel of exchange up and down, driving voltage Vpixel point is 255 gray scale voltages, sub-pixel SP
When most bright, apply maximum gray voltage (V255) on corresponding pixel electrode 23, sub-pixel SP is when most dark, in corresponding picture
Apply minimum gray voltage (V0) on plain electrode 23, the current potential of minimum gray voltage (V0) and the current potential of direct current common voltage Vcom
It is identical.
In the present embodiment, driving voltage Vpixel is 7V, and auxiliary reference voltage Vref is ac voltage signal, and is assisted
The value range of reference voltage Vref amplitude is 3V~7V, and preferably value is 6V, the bigger liquid of value of auxiliary reference voltage Vref
Brilliant response speed is faster, but power consumption is also bigger simultaneously.The every frame reversion of the polarity of auxiliary reference voltage Vref is primary, i.e., adjacent
The polarity of two frame pictures, auxiliary reference voltage Vref (is negative in former frame relative to direct current common voltage Vcom, latter on the contrary
Frame is positive relative to direct current common voltage Vcom；Alternatively, being positive in former frame relative to direct current common voltage Vcom, in a later frame
It is negative relative to direct current common voltage Vcom).
Specifically, liquid crystal display panel is by dark-state to illuminated state process, and referring to figure 2. and Fig. 3, pixel electrode 23 apply maximum
Gray scale voltage (V255) makes to form larger pressure difference (for example, 7V) between pixel electrode 23 and public electrode 21 and generates horizontal electricity
Field (E1).Auxiliary electrode 11 applies auxiliary reference voltage Vref, makes to form larger pressure between auxiliary electrode 11 and public electrode 21
Poor (for example, 6V) is simultaneously generated vertical electric field (E2), since the distance between public electrode 21 and pixel electrode 23 are far smaller than public affairs
The distance between common electrode 21 and auxiliary electrode 11, so the electric field strength of horizontal component of electric field is far longer than the electric-field strength of vertical electric field
Degree makes positive liquid crystal molecules be directed parallel to first substrate 10 and the direction of the second substrate 20 deflects, liquid crystal display at this time
The brightness of panel brightens；Liquid crystal display panel is by illuminated state to dark-state process, and referring to figure 3. and Fig. 4, pixel electrode 23 apply minimum
Gray scale voltage (V0), pixel electrode 23 is identical as the current potential of public electrode 21, does not form pressure difference.Auxiliary electrode 11 applies auxiliary ginseng
Voltage Vref is examined, make to form larger pressure difference (for example, 6V) between auxiliary electrode 11 and public electrode 21 and generates vertical electric field
(E2), positive liquid crystal molecules make liquid by horizontal direction towards the deflection perpendicular to first substrate 10 and the direction of the second substrate 20
The brightness of LCD panel is dimmed, and positive liquid crystal molecules are not only by the effect of anchorage force at this time, while also by vertical electric field E2's
Effect, accelerates the deflection speed of positive liquid crystal molecules.
In the present embodiment, public electrode 21 is located at different layers with pixel electrode 23 and is isolated by insulating layer 22, insulate
Layer 22 with a thickness of 0.1~0.25um.
In the present embodiment, the value range of 12 thickness of flatness layer is 1.5~2.0um, and liquid crystal display panel box is thick to be taken
Value range is 1.8~3.5um.
In the present embodiment, public electrode 21 and auxiliary electrode 11 are the planar structure of whole face setting, pixel electrode 23
For the pectinate texture with slit.
In the present embodiment, public electrode 21, pixel electrode 23 and auxiliary electrode 11 can with tin indium oxide (ITO),
The transparent conductive materials such as indium zinc oxide (IZO) are made.
[embodiment two]
As shown in fig. 6, the liquid crystal in a kind of liquid crystal display panel provided by Embodiment 2 of the present invention and embodiment one (Fig. 1)
The structure and working principle of display panel is essentially identical, the difference is that, in the present embodiment, each pixel electrode 23 is
">" shape structure, in embodiment one be "<" shape structure pixel electrode 23 it is contrary, so as to realize the object of the invention
While there are many embodiment it is available.
Those skilled in the art it should be understood that remaining structure and working principle of the present embodiment and embodiment
One is identical, and which is not described herein again.
[embodiment three]
As shown in Figure 7 and Figure 8, a kind of liquid crystal display panel and embodiment one (Fig. 1 and figure that the embodiment of the present invention three provides
4) structure and working principle of the liquid crystal display panel in is essentially identical, the difference is that, in the present embodiment, auxiliary electrode
11 planar structures being arranged for whole face, public electrode 21 and pixel electrode 23 are the pectinate texture with slit, so as in reality
There are many embodiment is available while existing the object of the invention.
Those skilled in the art it should be understood that remaining structure and working principle of the present embodiment and embodiment
One is identical, and which is not described herein again.
[example IV]
As shown in figure 9, the liquid crystal in a kind of liquid crystal display panel and embodiment three (Fig. 8) that the embodiment of the present invention four provides
The structure and working principle of display panel is essentially identical, the difference is that, in the present embodiment, public electrode 21 sets for whole face
The planar structure set, pixel electrode 23 and auxiliary electrode 11 are the pectinate texture with slit, to realize mesh of the present invention
While there are many embodiment it is available.
Those skilled in the art it should be understood that remaining structure and working principle of the present embodiment and embodiment
Three is identical, and which is not described herein again.
The following are the emulation tables of the present invention and the liquid crystal display panel of the prior art:
Existing framework inclination angle is 2 ° in upper table, that is, is parallel to lower substrate (thin-film transistor array base-plate) orientation, liquid crystal
The box thickness for showing panel is 3.3um, and angulation θ is 90 ° between the electrode strip and horizontal direction of each pixel electrode, i.e. pixel electricity
Extremely straight configuration does not have auxiliary electrode in upper substrate, and simulation result is rise time (Ton) 13ms, fall time (Toff)
9ms, overall response time (RT) 22ms, transmitance (TR) 5.06%；Structure of the invention inclination angle is 88 ° (vertical orientation), liquid crystal
The box thickness for showing panel is 3.3um, and angulation θ is 45 ° between the electrode strip and horizontal direction of each pixel electrode, i.e. pixel electricity
Extremely ">" shape or "<" shape structure form auxiliary electrode in upper substrate and apply the alternating voltage of 6V, and simulation result is when rising
Between (Ton) 1.28ms, fall time (Toff) 0.48ms, overall response time (RT) 1.7ms, transmitance (TR) 7.7%.
It can be seen that whether rise time or fall time are all reduced liquid crystal display panel of the invention, i.e., plus
The fast response speed of liquid crystal, also adds the transmitance (TR) of liquid crystal display panel, improves the display of liquid crystal display panel
Image quality.
The present invention also provides a kind of liquid crystal display device, liquid crystal display device includes liquid crystal display panel as described above.
Herein, the nouns of locality such as related up, down, left, right, before and after be located in figure with the structure in attached drawing with
And structure mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the side
The use of position word should not limit the claimed range of the application.
The above described is only a preferred embodiment of the present invention, restriction in any form not is done to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification,
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, fall within the scope of protection of the technical scheme of the present invention
Within.
Claims (10)
1. a kind of liquid crystal display panel, including first substrate (10), the second substrate (20) and be located at the first substrate (10) with should
Liquid crystal layer (30) between the second substrate (20), the first substrate (10) are equipped with auxiliary electrode (11), the second substrate (20)
The multiple sub-pixels (SP) for being equipped with public electrode (21) and being arranged in array, each sub-pixel (SP) is interior to be equipped with pixel electrode
(23), which is characterized in that the liquid crystal layer (30) uses positive liquid crystal molecules, the original states of the positive liquid crystal molecules be perpendicular to
The first substrate (10) and the second substrate (20), each pixel electrode (23) are "<" shape or ">" shape structure, each pixel electricity
The value range of angulation θ is 30 °~83 ° between the electrode strip and horizontal direction (H) of pole (23), which uses
In applying direct current common voltage (Vcom), the auxiliary electrode (11) is for applying auxiliary reference voltage (Vref), the auxiliary reference
The current potential of voltage (Vref) and the current potential of the direct current common voltage (Vcom) are unequal, and the auxiliary electrode (11) and the common electrical
Voltage difference between pole (21) is greater than preset value.
2. liquid crystal display panel according to claim 1, which is characterized in that the auxiliary reference voltage (Vref) is alternating current
Signal is pressed, and the value range of auxiliary reference voltage (Vref) amplitude is 3V~7V.
3. liquid crystal display panel according to claim 1, which is characterized in that the polarity of the auxiliary reference voltage (Vref) is equal
Every frame reversion is primary.
4. liquid crystal display panel according to claim 1, which is characterized in that the electrode strip of each pixel electrode (23) with should
Angulation θ is 45 ° between horizontal direction (H).
5. liquid crystal display panel according to claim 1, which is characterized in that the public electrode (21) and the pixel electrode
(23) it is located at different layers and is isolated by insulating layer (22).
6. liquid crystal display panel according to claim 5, which is characterized in that the insulating layer (22) with a thickness of 0.1~
0.25um。
7. liquid crystal display panel according to claim 1, which is characterized in that the public electrode (21) and the auxiliary electrode
(11) be whole face setting planar structure, the pixel electrode (23) be the pectinate texture with slit.
8. liquid crystal display panel according to claim 1, which is characterized in that the auxiliary electrode (11) is the face of whole face setting
Shape structure, the public electrode (21) and the pixel electrode (23) are the pectinate texture with slit.
9. liquid crystal display panel according to claim 1, which is characterized in that the public electrode (21) is the face of whole face setting
Shape structure, the pixel electrode (23) and the auxiliary electrode (11) are the pectinate texture with slit.
10. a kind of liquid crystal display device, which is characterized in that the liquid crystal display device includes as described in any one of claim 1 to 9
Liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112904630A (en) * | 2021-02-22 | 2021-06-04 | Tcl华星光电技术有限公司 | Display panel and display device |
| WO2021114375A1 (en) * | 2019-12-12 | 2021-06-17 | Tcl华星光电技术有限公司 | Liquid crystal panel |
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