CN106940497A - The two-way controllable liquid crystal display device in width visual angle - Google Patents
The two-way controllable liquid crystal display device in width visual angle Download PDFInfo
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- CN106940497A CN106940497A CN201710297802.7A CN201710297802A CN106940497A CN 106940497 A CN106940497 A CN 106940497A CN 201710297802 A CN201710297802 A CN 201710297802A CN 106940497 A CN106940497 A CN 106940497A
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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
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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
- G02F1/1323—Arrangements for providing a switchable viewing angle
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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
- G02F1/134363—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
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of two-way controllable liquid crystal display device in width visual angle, including first substrate, first liquid crystal layer, second substrate, second liquid crystal layer and the 3rd substrate, second substrate is located between first substrate and the 3rd substrate, first liquid crystal layer, which is clipped between first substrate and second substrate, constitutes the first liquid crystal cell, second liquid crystal layer is clipped between second substrate and the 3rd substrate and constitutes the second liquid crystal cell, first substrate is provided with first electrode in the side towards the first liquid crystal layer, second substrate is provided with second electrode and the 3rd electrode in the side towards the first liquid crystal layer, second electrode is pixel electrode, 3rd electrode is public electrode, second substrate is provided with the 4th electrode in the side towards the second liquid crystal layer, 3rd substrate is provided with the 5th electrode in the side towards the second liquid crystal layer, the orientation of second liquid crystal layer is vertical with the orientation of the first liquid crystal layer, first liquid crystal layer uses positivity liquid crystal, and the first positivity liquid crystalline phase in liquid crystal layer is less than 10 ° for the initial pre-tilt angle of first substrate and second substrate.
Description
Technical field
The present invention relates to the technical field of liquid crystal display, more particularly to a kind of two-way controllable liquid crystal display in width visual angle
Device.
Background technology
Liquid crystal display device (liquid crystal display, LCD) has good image quality, small volume, lightweight, low drive
Dynamic voltage, low-power consumption, radiationless and relatively low manufacturing cost advantage, occupy an leading position in flat display field.
With the continuous progress of lcd technology, the visible angle of display is widened via original 120 ° or so
More than 160 °, while people bring visual experience at the big visual angle of enjoyment, it is also desirable to effectively protect trade secret and individual privacy,
With the business loss or embarrassment for avoiding screen message from leaking and causing.Therefore in addition to wide viewing angle demand, in many occasions also
Display device is needed to possess the function that width visual angle mutually switches.
Mainly take at present and attach on a display screen blinds Protective film to realize that wide viewing angle and narrow viewing angle switch, when need into
During row peep-proof, visual angle can be reduced by covering screen using blinds Protective film.But, this mode needs additionally to prepare blinds to block
Film, great inconvenience is caused to user, and a blinds Protective film can only realize a kind of visual angle, is hidden once attaching upper blinds
Keep off after film, visual angle is just fixed on narrow viewing angle pattern.In addition, this mode narrow regarding of can only realizing on single direction (as laterally)
Angle, it is impossible to while the width visual angle on two-way (i.e. laterally and vertical) is realized, for electronic products such as mobile phones, it is impossible to meet user
The use demand at width visual angle is respectively provided with transverse screen, portrait layout.
The content of the invention
It is an object of the invention to provide a kind of two-way controllable liquid crystal display device in width visual angle, it can realize two-way
Width view angle switch on (i.e. laterally and vertical), makes electronic product be respectively provided with wide and narrow viewing angle modes under transverse screen, portrait layout, meets
The use demand of user.
The present invention provides a kind of two-way controllable liquid crystal display device in width visual angle, including first substrate, the first liquid crystal layer,
Second substrate, the second liquid crystal layer and the 3rd substrate, the second substrate are located between the first substrate and the 3rd substrate, and this first
Liquid crystal layer, which is clipped between the first substrate and the second substrate, constitutes the first liquid crystal cell, and second liquid crystal layer is clipped in the second substrate
The second liquid crystal cell is constituted between the 3rd substrate, the first substrate is in the side towards first liquid crystal layer provided with the first electricity
Pole, the second substrate is provided with second electrode and the 3rd electrode in the side towards first liquid crystal layer, and the second electrode is pixel
Electrode, the 3rd electrode is public electrode, and the second substrate is provided with the 4th electrode in the side towards second liquid crystal layer, and this
Three substrates are provided with the 5th electrode, the orientation of second liquid crystal layer and first liquid crystal layer in the side towards second liquid crystal layer
Orientation is vertical, and first liquid crystal layer uses the positivity liquid crystalline phase in positivity liquid crystal, and first liquid crystal layer for the first substrate
It is less than 10 ° with the initial pre-tilt angle of the second substrate.
Further, second liquid crystal layer uses the negative liquid crystal in negative liquid crystal, and second liquid crystal layer relative to this
The initial pre-tilt angle of second substrate and the 3rd substrate is between 30 °~60 °.
Further, when between the first electrode and the 3rd electrode be not present voltage difference or voltage difference it is smaller, the 4th
When there is larger voltage difference between electrode and the 5th electrode, the liquid crystal display device is operated in wide viewing angle pattern；When this
Voltage difference is not present between one electrode and the 3rd electrode or voltage difference is smaller, is not deposited between the 4th electrode and the 5th electrode
In voltage difference or smaller voltage difference, the liquid crystal display device is operated in transversely narrow field-of-view mode；When the first electrode and this
There is larger voltage difference between three electrodes, when there is larger voltage difference between the 4th electrode and the 5th electrode, the liquid
Crystal device is operated in vertical narrow viewing angle pattern；When there is larger voltage difference between the first electrode and the 3rd electrode,
When voltage difference or smaller voltage difference is not present between the 4th electrode and the 5th electrode, the liquid crystal display device is operated in center
Narrow viewing angle pattern.
Further, second liquid crystal layer uses the positivity liquid crystalline phase in positivity liquid crystal, and second liquid crystal layer for this
The initial pre-tilt angle of second substrate and the 3rd substrate is less than 10 °.
Further, when between the first electrode and the 3rd electrode be not present voltage difference or voltage difference it is smaller, the 4th
When voltage difference or smaller voltage difference is not present between electrode and the 5th electrode, the liquid crystal display device is operated in wide viewing angle mould
Formula；When smaller in the absence of voltage difference or voltage difference between the first electrode and the 3rd electrode, the 4th electrode and the 5th electricity
When there is larger voltage difference between pole, the liquid crystal display device is operated in transversely narrow field-of-view mode；When the first electrode is with being somebody's turn to do
There is larger voltage difference between 3rd electrode, be not present between the 4th electrode and the 5th electrode voltage difference or voltage difference compared with
Hour, the liquid crystal display device is operated in vertical narrow viewing angle pattern；It is larger when existing between the first electrode and the 3rd electrode
Voltage difference, when there is larger voltage difference between the 4th electrode and the 5th electrode, during the liquid crystal display device is operated in
Narrow-minded field-of-view mode.
Further, the first substrate is colored filter substrate, be additionally provided with the first substrate color blocking layer, black matrix and
Flatness layer, the color blocking layer and the black matrix mutually stagger the surface to be formed in the first substrate towards the first liquid crystal layer side
On, the first electrode covers the color blocking layer and the black matrix, and the flatness layer covers the first electrode.
Further, the second substrate is thin-film transistor array base-plate, and the second electrode and the 3rd electrode are located at not
It is folded with layer and between the two insulating barrier.
Further, first liquid crystal layer up and down be respectively provided on two sides with the first both alignment layers and the second both alignment layers, this second
Liquid crystal layer up and down be respectively provided on two sides with the 3rd both alignment layers and the 4th both alignment layers, the alignment direction of first both alignment layers with this second
The alignment direction of both alignment layers is parallel or antiparallel, the alignment direction of the 3rd both alignment layers and the orientation side of the 4th both alignment layers
To parallel or antiparallel, the alignment direction of first both alignment layers, the alignment direction of second both alignment layers and the 3rd orientation
The alignment direction of layer, the alignment direction of the 4th both alignment layers are vertical.
Further, the liquid crystal display device is provided with view angle switch button, for being sent out for user to the liquid crystal display device
Go out view angle switch request.
The two-way controllable liquid crystal display device in width visual angle that the present invention is provided, is provided with the first liquid crystal layer and the second liquid crystal
Layer constitutes dual-layered liquid crystal box, and the orientation of the second liquid crystal layer is vertical with the orientation of the first liquid crystal layer, by controlling two respectively
The size of the vertical electric field produced in liquid crystal cell, liquid crystal display device can realize that the width on two-way (i.e. laterally and vertical) is regarded
Angle switches, and meets user is respectively provided with width visual angle when using electronic product use demand under transverse screen, portrait layout.
Brief description of the drawings
Fig. 1 a are structural representation of the liquid crystal display device under wide viewing angle pattern in first embodiment.
Fig. 1 b are visual angle simulation schematic diagram of the liquid crystal display device under wide viewing angle pattern in Fig. 1 a.
Fig. 2 a are structural representation of the liquid crystal display device under transversely narrow field-of-view mode in first embodiment.
Fig. 2 b are visual angle simulation schematic diagram of the liquid crystal display device under transversely narrow field-of-view mode in Fig. 2 a.
Fig. 3 a are structural representation of the liquid crystal display device under vertical narrow viewing angle pattern in first embodiment.
Fig. 3 b are visual angle simulation schematic diagram of the liquid crystal display device under vertical narrow viewing angle pattern in Fig. 3 a.
Fig. 4 a are structural representation of the liquid crystal display device under the narrow viewing angle pattern of center in first embodiment.
Fig. 4 b are visual angle simulation schematic diagram of the liquid crystal display device under the narrow viewing angle pattern of center in Fig. 4 a.
Fig. 5 is the alignment direction schematic diagram of two liquid crystal layers of liquid crystal display device in first embodiment.
Fig. 6 is structural representation of the liquid crystal display device under wide viewing angle pattern in second embodiment.
Fig. 7 is structural representation of the liquid crystal display device under transversely narrow field-of-view mode in second embodiment.
Fig. 8 is structural representation of the liquid crystal display device under vertical narrow viewing angle pattern in second embodiment.
Fig. 9 is structural representation of the liquid crystal display device under the narrow viewing angle pattern of center in second embodiment.
Figure 10 a and Figure 10 b are the floor map of liquid crystal display device in 3rd embodiment.
Embodiment
Further to illustrate the present invention to reach technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, to embodiment, structure, feature and its effect of the present invention, are described in detail as after.
[first embodiment]
As shown in Fig. 1 a to Fig. 4 a, first embodiment of the invention provides a kind of width that can be achieved on horizontal and vertical and regarded
The liquid crystal display device at angle, including first substrate 10, the first liquid crystal layer 40, second substrate 20, the second liquid crystal layer 50 and the 3rd base
Plate 30.Second substrate 20 is located between the substrate 30 of first substrate 10 and the 3rd, and the first liquid crystal layer 40 is clipped in first substrate 10 and the
The first liquid crystal cell is constituted between two substrates 20, the second liquid crystal layer 50 constitutes second between being clipped in the substrate 30 of second substrate 20 and the 3rd
Liquid crystal cell.
First substrate 10 is provided with first electrode 11 in the side towards the first liquid crystal layer 40, and second substrate 20 is in direction first
The side of liquid crystal layer 40 is provided with the electrode 22 of second electrode 21 and the 3rd.Wherein, second electrode 21 is pixel electrode (pixel
Electrode), the 3rd electrode 22 is public electrode (common electrode).Second substrate 20 is in the second liquid crystal layer of direction
50 side is provided with the 4th electrode 25, and the 3rd substrate 30 is provided with the 5th electrode 31 in the side towards the second liquid crystal layer 50.
First substrate 10 is colored filter substrate.Color blocking layer 12, the He of black matrix (BM) 13 are additionally provided with first substrate 10
Flatness layer 14.Color blocking layer 12 is, for example, R, G, B color blocking material.Color blocking layer 12 and black matrix 13 mutually stagger to be formed in first substrate
On the surface of 10 direction the first liquid crystal layer 40 sides, the covering color blocking layer 12 of first electrode 11 and black matrix 13, flatness layer 14 are covered
First electrode 11.Flatness layer 14 is preferred, and flatness layer 14 can also be not provided with first substrate 10.
Second substrate 20 is thin-film transistor array base-plate.22, the electrode of second electrode 21 and the 3rd on second substrate 20
It is folded with different layers and between the two insulating barrier 23.Second electrode 21 is located at the top of the 3rd electrode 22 in the present embodiment, but not
It is limited to this, in other embodiments, second electrode 21 can also be located at the lower section of the 3rd electrode 22.
Active device array 24 is additionally provided with second substrate 20, the structure on active device array 24 is art technology
Personnel know, and active device array 24 specifically includes scan line, data wire and thin film transistor (TFT) (TFT), multi-strip scanning line with it is many
Data line mutually insulated intersects the multiple sub-pixels (sub-pixel) for limiting and being formed and being arranged in array.Set in each sub-pixel
There are TFT and pixel electrode (second electrode 21 i.e. in the present embodiment).Each TFT includes grid, active layer, source electrode and drain electrode,
Wherein grid electrically connects corresponding scan line, and source electrode electrically connects corresponding data wire, the corresponding pixel electrode of drain electrode electrical connection.
First electrode 11, second electrode 21, the 3rd electrode 22, the 4th electrode 25 and the 5th electrode 31 are by transparent conductive material
(such as ITO, IZO) is made.First electrode 11, the 3rd electrode 22, the 4th electrode 25 and the 5th electrode 31 can be the face in whole face
Shape electrode, second electrode 21 can be the strip shaped electric poles of patterning.
The liquid crystal display device uses fringe field switching architecture (Fringe Field Switching, FFS), pixel electricity
Pole (i.e. second electrode 21) and public electrode (i.e. the 3rd electrode 22) are both formed on second substrate 20 (array base palte), when in public affairs
When applying electric field between common electrode and pixel electrode, liquid crystal molecule rotates wider to obtain in the plane almost parallel with substrate
Visual angle.
The first both alignment layers 15 and the second both alignment layers 26, the first both alignment layers 15 are respectively provided on two sides with above and below first liquid crystal layer 40
It is arranged on first substrate 10 and close to the upside of the first liquid crystal layer 40, the second both alignment layers 26 are arranged on second substrate 20 and close to the
The downside of one liquid crystal layer 40.First both alignment layers 15 and the second both alignment layers 26 are used to carry out initial orientation to the first liquid crystal layer 40, the
One both alignment layers 15 and the second both alignment layers 26 collectively define the initial orientation state of the first liquid crystal layer 40.
The 3rd both alignment layers 27 and the 4th both alignment layers 32, the 3rd both alignment layers 27 are respectively provided on two sides with above and below second liquid crystal layer 50
It is arranged on second substrate 20 and close to the upside of the second liquid crystal layer 50, the 4th both alignment layers 32 are arranged on the 3rd substrate 30 and close to the
The downside of two liquid crystal layers 50.3rd both alignment layers 27 and the 4th both alignment layers 32 are used to carry out initial orientation to the second liquid crystal layer 50, the
Three both alignment layers 27 and the 4th both alignment layers 32 collectively define the initial orientation state of the second liquid crystal layer 50.
Second liquid crystal layer 50 is vertical with the alignment direction of the first liquid crystal layer 40 by orientation.As shown in figure 5, the first both alignment layers
15 alignment direction is A1, and the alignment direction of the second both alignment layers 26 is A2, and the alignment direction of the 3rd both alignment layers 27 is B1, and the 4th matches somebody with somebody
It is B2 to the alignment direction of layer 32.Wherein, the alignment direction A1 of the first both alignment layers 15 and alignment direction A2 of the second both alignment layers 26
Parallel or antiparallel (being illustrated as in figure antiparallel), the alignment direction B1 of the 3rd both alignment layers 27 and the 4th both alignment layers 32
Alignment direction B2 parallel or antiparallel (being illustrated as in figure antiparallel), the alignment direction A1 of the first both alignment layers 15, second
The alignment direction A2 of both alignment layers 26 is vertical with the alignment direction B2 of the alignment direction B1 of the 3rd both alignment layers 27, the 4th both alignment layers 32,
So that the orientation of the second liquid crystal layer 50 is vertical with the orientation of the first liquid crystal layer 40.
The liquid crystal display device uses dual-layered liquid crystal box.In the present embodiment, the first liquid crystal layer 40 in the first liquid crystal cell is adopted
The positivity liquid crystalline phase in positivity liquid crystal and the first liquid crystal layer 40 of initial pre-tilt angle with to(for) substrate 10,20 is less than 10 °；Second liquid
The second liquid crystal layer 50 in brilliant box is first relative to substrate 20,30 using the negative liquid crystal in negative liquid crystal and the second liquid crystal layer 50
Beginning pre-tilt angle is selected between 30 °~60 °, i.e., the present embodiment realizes width viewing function by positive type liquid crystal collocation negative liquid crystal.
When the electrode 22 of first electrode 11 and the 3rd of both sides is powered and there is voltage difference above and below the first liquid crystal cell, meeting exists
Vertical electric field E1 is produced in first liquid crystal cell, so as to drive the positivity liquid crystal in the first liquid crystal layer 40.Because positivity liquid crystal is in electricity
It will be deflected under field action along the direction parallel to electric field line, therefore positivity liquid crystal will deflect under vertical electric field E1 effects
And increasing angle of inclination so that there is wide-angle observation light leak in the first liquid crystal cell, and the first liquid crystal cell is contrasted in big view directions
Degree reduction, the visual angle of the first liquid crystal cell narrows, and as the voltage difference between the electrode 22 of first electrode 11 and the 3rd increases, the
The vertical electric field E1 produced in one liquid crystal cell is stronger, and positivity liquid crystalline phase is bigger for the angle of inclination of substrate 10,20, the first liquid crystal
The visual angle of box becomes narrower.
When the 4th electrode 25 and the 5th electrode 31 of both sides are powered and there is voltage difference above and below the second liquid crystal cell, meeting exists
Vertical electric field E2 is produced in second liquid crystal cell, so as to drive the negative liquid crystal in the second liquid crystal layer 50.Because negative liquid crystal is in electricity
It will be deflected under field action along perpendicular to the direction of electric field line, therefore negative liquid crystal will deflect under vertical electric field E2 effects
And reducing angle of inclination so that wide-angle light leakage phenomena, which occurs, in the second liquid crystal cell accordingly to be reduced, and the second liquid crystal cell is at big visual angle
Direction Contrast is improved, the visual angle increase of the second liquid crystal cell, and with the voltage between the 4th electrode 25 and the 5th electrode 31
The vertical electric field E2 produced in difference increase, the second liquid crystal cell is stronger, and negative liquid crystal is got over relative to the angle of inclination of substrate 20,30
Small, the visual angle of the second liquid crystal cell becomes wider.
In order to be powered to the electrode 31 of first electrode 11 and the 5th, (it can be mixed in by conducting resinl in frame glue or elargol
Metal ball, not shown) (scheme the electrode 31 of first electrode 11 and the 5th with the firing point on second substrate 20 (array base palte)
Do not show) it is conductively connected, external circuit (not shown) is connected to second substrate 20 by wiring board (not shown), then passes through firing point
With conducting resinl voltage signal is provided to the electrode 31 of first electrode 11 and the 5th.
As shown in Figure 1a, when voltage difference or smaller voltage difference are not present between the electrode 22 of first electrode 11 and the 3rd, the
Positivity liquid crystal in one liquid crystal layer 40 maintains initial relatively small tilt angle, and the first liquid crystal cell shows wide viewing angle；When the 4th electrode 25 with
When there is larger voltage difference between the 5th electrode 31, vertical electric field E2 is produced in the second liquid crystal cell, in vertical electric field E2 effects
Under, the negative liquid crystal in the second liquid crystal layer 50 deflects to relatively small tilt angle, and the second liquid crystal cell shows wide viewing angle.Now, liquid crystal display
Device is operated in wide viewing angle pattern.As wide viewing angle pattern, the voltage difference between the electrode 22 of first electrode 11 and the 3rd is preferably
0V, the 3rd electrode 22 applies direct current common electric voltage (DC Vcom), and first electrode 11 applies and DC Vcom identical DC voltages；
Voltage difference between 4th electrode 25 and the 5th electrode 31 is preferably between 2V~6V, and the 4th electrode 25 can apply and DC
Vcom identical DC voltages, the 5th electrode 31 preferably applies periodic AC voltage and the alternating voltage is on DC Vcom
Lower fluctuation (i.e. the current potential symmetrical centre of the alternating voltage is DC Vcom), the voltage between the 4th electrode 25 and the 5th electrode 31
Poor scope is+2V~+6V or -2V~-6V, makes the vertical electric field E2 direction go produced in the second liquid crystal cell, it is to avoid
Negative liquid crystal in second liquid crystal layer 50 is applied in same direction electric field and polarization phenomena occurs always.
As shown in Figure 1 b, simulated by visual angle, under wide viewing angle pattern, the liquid crystal display device is on direction up and down
Visual angle can respectively reach 45 °, 61 °, 85 °, 80 °, i.e., laterally and it is vertical on realize wider visual angle.
As shown in Figure 2 a, when voltage difference or smaller voltage difference are not present between the electrode 22 of first electrode 11 and the 3rd, the
Positivity liquid crystal in one liquid crystal layer 40 maintains initial relatively small tilt angle, and the first liquid crystal cell shows wide viewing angle；When the 4th electrode 25 with
When voltage difference or smaller voltage difference is not present between the 5th electrode 31, the negative liquid crystal in the second liquid crystal layer 50 maintain it is initial compared with
High inclination-angle, the second liquid crystal cell shows narrow viewing angle.Now, liquid crystal display device is operated in transversely narrow field-of-view mode.As transversely narrow
Voltage difference between field-of-view mode, the electrode 22 of first electrode 11 and the 3rd is preferably 0V, and the 3rd electrode 22 applies direct current common electrical
Press (DC Vcom), first electrode 11 applies and DC Vcom identical DC voltages；Between 4th electrode 25 and the 5th electrode 31
Voltage difference be preferably 0V, the 4th electrode 25 and the 5th electrode 31 can apply and DC Vcom identical DC voltages.
As shown in Figure 2 b, simulated by visual angle, under transversely narrow field-of-view mode, the liquid crystal display device is in side up and down
Upward visual angle can respectively reach 46 °, 51 °, 9 °, 14 °, i.e., realize narrow viewing angle in the horizontal and show.
As shown in Figure 3 a, when there is larger voltage difference between the electrode 22 of first electrode 11 and the 3rd, the first liquid crystal cell
Middle generation vertical electric field E1, under vertical electric field E1 effects, positivity liquid crystal deflection in the first liquid crystal layer 40 to greater obliquity, the
One liquid crystal cell shows narrow viewing angle；When there is larger voltage difference between the 4th electrode 25 and the 5th electrode 31, the second liquid crystal cell
Middle generation vertical electric field E2, under vertical electric field E2 effects, the negative liquid crystal in the second liquid crystal layer 50 deflects to relatively small tilt angle, the
Two liquid crystal cells show wide viewing angle.Now, liquid crystal display device is operated in vertical narrow viewing angle pattern.As vertical narrow viewing angle pattern,
Voltage difference between the electrode 22 of first electrode 11 and the 3rd is preferably between 2V~6V, and the 3rd electrode 22 applies direct current common electric voltage
(DC Vcom), first electrode 11 preferably applies periodic AC voltage and the alternating voltage is fluctuated around above and below DC Vcom, the
Voltage difference scope between one electrode 11 and the 3rd electrode 22 is+2V~+6V or -2V~-6V；4th electrode 25 and the 5th electrode
Voltage difference between 31 is preferably between 2V~6V, and the 4th electrode 25 can apply and DC Vcom identical DC voltages, the 5th
Electrode 31 preferably applies periodic AC voltage and the alternating voltage is fluctuated around above and below DC Vcom, the 4th electrode 25 and the 5th
Voltage difference scope between electrode 31 is+2V~+6V or -2V~-6V.
As shown in Figure 3 b, simulated by visual angle, under vertical narrow viewing angle pattern, the liquid crystal display device is in side up and down
Upward visual angle can respectively reach 27 °, 21 °, 85 °, 80 °, i.e., realizing narrow viewing angle on vertical shows.
As shown in fig. 4 a, when there is larger voltage difference between the electrode 22 of first electrode 11 and the 3rd, the first liquid crystal cell
Middle generation vertical electric field E1, under vertical electric field E1 effects, positivity liquid crystal deflection in the first liquid crystal layer 40 to greater obliquity, the
One liquid crystal cell shows narrow viewing angle；When voltage difference or smaller voltage difference are not present between the 4th electrode 25 and the 5th electrode 31, the
Negative liquid crystal in two liquid crystal layers 50 maintains initial greater obliquity, and the second liquid crystal cell shows narrow viewing angle.Now, liquid crystal display is filled
Put and be operated in center narrow viewing angle pattern.As center narrow viewing angle pattern, the voltage difference between the electrode 22 of first electrode 11 and the 3rd
It is preferred that between 2V~6V, the 3rd electrode 22 applies direct current common electric voltage (DC Vcom), first electrode 11 is preferred to be applied periodically
The voltage difference model of alternating voltage and the alternating voltage between above and below DC Vcom fluctuations, the electrode 22 of first electrode 11 and the 3rd
Enclose for+2V~+6V or -2V~-6V；Voltage difference between 4th electrode 25 and the 5th electrode 31 is preferably 0V, the 4th electrode 25
Can it apply and DC Vcom identical DC voltages with the 5th electrode 31.
As shown in Figure 4 b, simulated by visual angle, under the narrow viewing angle pattern of center, the liquid crystal display device is in side up and down
Upward visual angle can respectively reach 19 °, 54 °, 20 °, 49 °, i.e., realizing narrow viewing angle on horizontal and vertical shows.
The liquid crystal display device of the present embodiment, is provided with the first liquid crystal layer 40 and the second liquid crystal layer 50 constitutes dual-layered liquid crystal
Box, and the orientation of the second liquid crystal layer 50 is vertical with the orientation of the first liquid crystal layer 40, by controlling to produce in two liquid crystal cells respectively
Raw vertical electric field E1, E2 size, liquid crystal display device can realize that the width visual angle on two-way (i.e. laterally and vertical) is cut
Change, meet the use demand that electronic product is respectively provided with width visual angle under transverse screen, portrait layout.
[second embodiment]
It please join in Fig. 6 to Fig. 9, the present embodiment, the first liquid crystal layer 40 in the first liquid crystal cell uses positivity liquid crystal and first
Positivity liquid crystalline phase in liquid crystal layer 40 is less than 10 ° for the initial pre-tilt angle of substrate 10,20；The second liquid crystal in second liquid crystal cell
Layer 50 using the positivity liquid crystalline phase in positivity liquid crystal and the second liquid crystal layer 50 for substrate 20,30 initial pre-tilt angle again smaller than
10 °, i.e. the present embodiment realize width viewing function by positive type liquid crystal collocation positivity liquid crystal.The present embodiment and above-mentioned first embodiment
Equally, the orientation of the second liquid crystal layer 50 is vertical with the orientation of the first liquid crystal layer 40.
As shown in fig. 6, when voltage difference or smaller voltage difference are not present between the electrode 22 of first electrode 11 and the 3rd, first
Positivity liquid crystal in liquid crystal layer 40 maintains initial relatively small tilt angle, and the first liquid crystal cell shows wide viewing angle；When the 4th electrode 25 and
When voltage difference or smaller voltage difference is not present between five electrodes 31, the positivity liquid crystal in the second liquid crystal layer 50 maintains initially smaller
Inclination angle, the second liquid crystal cell shows wide viewing angle.Now, liquid crystal display device is operated in wide viewing angle pattern.It is used as wide viewing angle pattern,
Voltage difference between one electrode 11 and the 3rd electrode 22 is preferably 0V, and the 3rd electrode 22 applies direct current common electric voltage (DC Vcom),
First electrode 11 applies and DC Vcom identical DC voltages；Voltage difference between 4th electrode 25 and the 5th electrode 31 is preferred
For 0V, the 4th electrode 25 and the 5th electrode 31 can apply and DC Vcom identical DC voltages.
As shown in fig. 7, when voltage difference or smaller voltage difference are not present between the electrode 22 of first electrode 11 and the 3rd, first
Positivity liquid crystal in liquid crystal layer 40 maintains initial relatively small tilt angle, and the first liquid crystal cell shows wide viewing angle；When the 4th electrode 25 and
When there is larger voltage difference between five electrodes 31, vertical electric field E2 is produced in the second liquid crystal cell, under vertical electric field E2 effects,
Positivity liquid crystal deflection in second liquid crystal layer 50 is to greater obliquity, and the second liquid crystal cell shows narrow viewing angle.Now, liquid crystal display device
It is operated in transversely narrow field-of-view mode.As transversely narrow field-of-view mode, the voltage difference between the electrode 22 of first electrode 11 and the 3rd is excellent
Elect 0V as, the 3rd electrode 22 applies direct current common electric voltage (DC Vcom), and first electrode 11 applies and DC Vcom identical direct currents
Voltage；Voltage difference between 4th electrode 25 and the 5th electrode 31 preferably between 2V~6V, the 4th electrode 25 can apply with
DC Vcom identical DC voltages, the 5th electrode 31 preferably applies periodic AC voltage and the alternating voltage surrounds DC Vcom
(i.e. the current potential symmetrical centre of the alternating voltage is DC Vcom), the electricity between the 4th electrode 25 and the 5th electrode 31 are fluctuated up and down
Pressure differential range is+2V~+6V or -2V~-6V, makes the vertical electric field E2 direction go produced in the second liquid crystal cell, keeps away
The positivity liquid crystal exempted from the second liquid crystal layer 50 is applied in same direction electric field and polarization phenomena occurs always.
As shown in figure 8, when there is larger voltage difference between the electrode 22 of first electrode 11 and the 3rd, in the first liquid crystal cell
Vertical electric field E1 is produced, under vertical electric field E1 effects, positivity liquid crystal deflection in the first liquid crystal layer 40 to greater obliquity, first
Liquid crystal cell shows narrow viewing angle；When voltage difference or smaller voltage difference are not present between the 4th electrode 25 and the 5th electrode 31, second
Positivity liquid crystal in liquid crystal layer 50 maintains initial relatively small tilt angle, and the second liquid crystal cell shows wide viewing angle.Now, liquid crystal display device
It is operated in vertical narrow viewing angle pattern.As vertical narrow viewing angle pattern, the voltage difference between the electrode 22 of first electrode 11 and the 3rd is excellent
It is selected between 2V~6V, the 3rd electrode 22 applies direct current common electric voltage (DC Vcom), first electrode 11 is preferred to apply cycle sexual intercourse
Flow voltage and the alternating voltage is fluctuated around above and below DC Vcom, the voltage difference scope between the electrode 22 of first electrode 11 and the 3rd
For+2V~+6V or -2V~-6V；Voltage difference between 4th electrode 25 and the 5th electrode 31 is preferably 0V, the He of the 4th electrode 25
5th electrode 31 can apply and DC Vcom identical DC voltages.
As shown in figure 9, when there is larger voltage difference between the electrode 22 of first electrode 11 and the 3rd, in the first liquid crystal cell
Vertical electric field E1 is produced, under vertical electric field E1 effects, positivity liquid crystal deflection in the first liquid crystal layer 40 to greater obliquity, first
Liquid crystal cell shows narrow viewing angle；When there is larger voltage difference between the 4th electrode 25 and the 5th electrode 31, in the second liquid crystal cell
Vertical electric field E2 is produced, under vertical electric field E2 effects, positivity liquid crystal deflection in the second liquid crystal layer 50 to greater obliquity, second
Liquid crystal cell shows narrow viewing angle.Now, liquid crystal display device is operated in center narrow viewing angle pattern.It is used as center narrow viewing angle pattern,
Voltage difference between one electrode 11 and the 3rd electrode 22 is preferably between 2V~6V, and the 3rd electrode 22 applies direct current common electric voltage
(DC Vcom), first electrode 11 preferably applies periodic AC voltage and the alternating voltage is fluctuated around above and below DC Vcom, the
Voltage difference scope between one electrode 11 and the 3rd electrode 22 is+2V~+6V or -2V~-6V；4th electrode 25 and the 5th electrode
Voltage difference between 31 is preferably between 2V~6V, and the 4th electrode 25 can apply and DC Vcom identical DC voltages, the 5th
Electrode 31 preferably applies periodic AC voltage and the alternating voltage is fluctuated around above and below DC Vcom, the 4th electrode 25 and the 5th
Voltage difference scope between electrode 31 is+2V~+6V or -2V~-6V.
Herein it should be noted that no matter first embodiment or second embodiment, the first liquid crystal in the first liquid crystal cell
Layer 40 uses positivity liquid crystal.Otherwise, if the first liquid crystal layer 40 in the first liquid crystal cell uses negative liquid crystal, by inventor
Simulation finds, the negative liquid crystal in the first liquid crystal layer 40 relative to the initial pre-tilt angle of substrate 10,20 need to select 60 ° with
On, it the first liquid crystal cell is realized width view angle switch function, and allow the initial pre-tilt angle of liquid crystal to be arranged on more than 60 °, system
Make difficult and high cost.Therefore, the first liquid crystal layer 40 in the first liquid crystal cell uses positivity liquid crystal.
[3rd embodiment]
It please join Figure 10 a and Figure 10 b, liquid crystal display device is provided with view angle switch button 60, for supplying user to liquid crystal display
Device sends view angle switch request.View angle switch button 60 can be physical button (such as Figure 10 a), or software control or
Person's application program (APP) realizes handoff functionality (such as Figure 10 b, width visual angle is set by touch-control slider bar).View angle switch
The quantity of button 60 can be two, to be controlled respectively to horizontal and vertical visual angle.When user needs switching width to regard
During angle, it can be asked by operating view angle switch button 60 send view angle switch to liquid crystal display device, by 70 points of driving chip
The voltage on two liquid crystal cells Kong Zhi be applied to.Especially, it is applied to by the control of driving chip 70 first on the first liquid crystal cell
The size of voltage difference between the electrode 22 of electrode 11 and the 3rd, and control are applied on the second liquid crystal cell the 4th electrode 25 and the
The size of voltage difference between five electrodes 31.So as to user can basis different peep-proof demands, selection is laterally and/or vertical
On realize width view angle switch, therefore the liquid crystal display device of the embodiment of the present invention has stronger operating flexibility and conveniently
Property.
The above, is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification that above example is made, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of two-way controllable liquid crystal display device in width visual angle, it is characterised in that including first substrate (10), the first liquid crystal
Layer (40), second substrate (20), the second liquid crystal layer (50) and the 3rd substrate (30), the second substrate (20) are located at the first substrate
(10) between the 3rd substrate (30), first liquid crystal layer (40) be clipped in the first substrate (10) and the second substrate (20) it
Between constitute the first liquid crystal cell, second liquid crystal layer (50), which is clipped between the second substrate (20) and the 3rd substrate (30), constitutes
Two liquid crystal cells, the first substrate (10) is provided with first electrode (11), second base in the side towards first liquid crystal layer (40)
Plate (20) is provided with second electrode (21) and the 3rd electrode (22), the second electrode in the side towards first liquid crystal layer (40)
(21) it is pixel electrode, the 3rd electrode (22) is public electrode, and the second substrate (20) is towards second liquid crystal layer (50)
Side be provided with the 4th electrode (25), the 3rd substrate (30) the side towards second liquid crystal layer (50) be provided with the 5th electrode
(31), the orientation of second liquid crystal layer (50) is vertical with the orientation of first liquid crystal layer (40), and first liquid crystal layer (40) is used
Positivity liquid crystalline phase in positivity liquid crystal, and first liquid crystal layer (40) is for the first substrate (10) and the second substrate (20)
Initial pre-tilt angle is less than 10 °.
2. the two-way controllable liquid crystal display device in width visual angle according to claim 1, it is characterised in that second liquid crystal
Layer (50) uses the negative liquid crystal in negative liquid crystal, and second liquid crystal layer (50) relative to the second substrate (20) and the 3rd
The initial pre-tilt angle of substrate (30) is between 30 °~60 °.
3. the two-way controllable liquid crystal display device in width visual angle according to claim 2, it is characterised in that when first electricity
Voltage difference is not present between pole (11) and the 3rd electrode (22) or voltage difference is smaller, the 4th electrode (25) and the 5th electrode
(31) when there is larger voltage difference between, the liquid crystal display device is operated in wide viewing angle pattern；When the first electrode (11) with
Voltage difference is not present between 3rd electrode (22) or voltage difference is smaller, between the 4th electrode (25) and the 5th electrode (31)
During in the absence of voltage difference or smaller voltage difference, the liquid crystal display device is operated in transversely narrow field-of-view mode；When the first electrode
(11) there is larger voltage difference between the 3rd electrode (22), deposited between the 4th electrode (25) and the 5th electrode (31)
In larger voltage difference, the liquid crystal display device is operated in vertical narrow viewing angle pattern；When the first electrode (11) and the 3rd
There is larger voltage difference between electrode (22), between the 4th electrode (25) and the 5th electrode (31) be not present voltage difference or
When voltage difference is smaller, the liquid crystal display device is operated in center narrow viewing angle pattern.
4. the two-way controllable liquid crystal display device in width visual angle according to claim 1, it is characterised in that second liquid crystal
Layer (50) is using the positivity liquid crystalline phase in positivity liquid crystal, and second liquid crystal layer (50) for the second substrate (20) and the 3rd
The initial pre-tilt angle of substrate (30) is less than 10 °.
5. the two-way controllable liquid crystal display device in width visual angle according to claim 4, it is characterised in that when first electricity
Voltage difference is not present between pole (11) and the 3rd electrode (22) or voltage difference is smaller, the 4th electrode (25) and the 5th electrode
(31) when voltage difference or smaller voltage difference is not present between, the liquid crystal display device is operated in wide viewing angle pattern；When first electricity
Voltage difference is not present between pole (11) and the 3rd electrode (22) or voltage difference is smaller, the 4th electrode (25) and the 5th electrode
(31) when there is larger voltage difference between, the liquid crystal display device is operated in transversely narrow field-of-view mode；When the first electrode
(11) there is larger voltage difference between the 3rd electrode (22), between the 4th electrode (25) and the 5th electrode (31) not
When there is voltage difference or smaller voltage difference, the liquid crystal display device is operated in vertical narrow viewing angle pattern；When the first electrode (11)
There is larger voltage difference between the 3rd electrode (22), between the 4th electrode (25) and the 5th electrode (31) exist compared with
During big voltage difference, the liquid crystal display device is operated in center narrow viewing angle pattern.
6. the two-way controllable liquid crystal display device in width visual angle according to claim 1, it is characterised in that the first substrate
(10) it is colored filter substrate, color blocking layer (12), black matrix (13) and flatness layer (14) is additionally provided with the first substrate (10),
The color blocking layer (12) and the black matrix (13) mutually stagger to be formed in the first substrate (10) towards first liquid crystal layer (40) one
On the surface of side, the first electrode (11) covers the color blocking layer (12) and the black matrix (13), the flatness layer (14) cover this
One electrode (11).
7. the two-way controllable liquid crystal display device in width visual angle according to claim 1, it is characterised in that the second substrate
(20) it is thin-film transistor array base-plate, the second electrode (21) and the 3rd electrode (22) are located at different layers and pressed from both sides between the two
Provided with insulating barrier (23).
8. the two-way controllable liquid crystal display device in width visual angle according to claim 1, it is characterised in that first liquid crystal
The first both alignment layers (15) and the second both alignment layers (26) are respectively provided on two sides with above and below layer (40), above and below second liquid crystal layer (50)
The 3rd both alignment layers (27) and the 4th both alignment layers (32) are respectively provided on two sides with, the alignment direction (A1) of first both alignment layers (15) is with being somebody's turn to do
The alignment direction (A2) of second both alignment layers (26) is parallel or antiparallel, the alignment direction (B1) of the 3rd both alignment layers (27) with
The alignment direction (B2) of 4th both alignment layers (32) is parallel or antiparallel, the alignment direction of first both alignment layers (15)
(A1), the alignment direction (B1) of the alignment direction (A2) of second both alignment layers (26) and the 3rd both alignment layers (27), the 4th match somebody with somebody
It is vertical to the alignment direction (B2) of layer (32).
9. the two-way controllable liquid crystal display device in width visual angle according to claim 1, it is characterised in that the liquid crystal display
Device is provided with view angle switch button (60), for sending view angle switch request to the liquid crystal display device for user.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255873A (en) * | 2017-07-20 | 2017-10-17 | 昆山龙腾光电有限公司 | The changeable display device in width visual angle and driving method |
| CN109239995A (en) * | 2018-11-23 | 2019-01-18 | 昆山龙腾光电有限公司 | Liquid crystal display device and its driving method |
| CN110262098A (en) * | 2019-07-15 | 2019-09-20 | 昆山龙腾光电有限公司 | Liquid crystal display device and driving method |
| CN110333623A (en) * | 2019-06-17 | 2019-10-15 | 武汉华星光电技术有限公司 | Display device |
| CN110824739A (en) * | 2019-10-31 | 2020-02-21 | 昆山龙腾光电股份有限公司 | Display panel, control method and display device |
| CN110824740A (en) * | 2019-11-11 | 2020-02-21 | 昆山龙腾光电股份有限公司 | Display panel, viewing angle control method of display panel and display device |
| CN111190296A (en) * | 2020-02-25 | 2020-05-22 | 深圳市隆利科技股份有限公司 | Peep-proof method for display |
| CN111948839A (en) * | 2020-08-26 | 2020-11-17 | 上海天马微电子有限公司 | Display device and driving method thereof |
| CN113031319A (en) * | 2019-12-09 | 2021-06-25 | 和硕联合科技股份有限公司 | Display device |
| CN113934048A (en) * | 2021-11-22 | 2022-01-14 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949349A (en) * | 2005-10-13 | 2007-04-18 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and driving method thereof |
| US20090021657A1 (en) * | 2007-07-20 | 2009-01-22 | Yungshun Yang | Viewing angle controllable liquid crystal display |
| CN106444185A (en) * | 2016-08-17 | 2017-02-22 | 友达光电股份有限公司 | Liquid crystal display panel |
| CN106501981A (en) * | 2016-12-13 | 2017-03-15 | 昆山龙腾光电有限公司 | Compound liquid crystal indicator and preparation method thereof |
-
2017
- 2017-04-29 CN CN201710297802.7A patent/CN106940497A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949349A (en) * | 2005-10-13 | 2007-04-18 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and driving method thereof |
| US20090021657A1 (en) * | 2007-07-20 | 2009-01-22 | Yungshun Yang | Viewing angle controllable liquid crystal display |
| CN106444185A (en) * | 2016-08-17 | 2017-02-22 | 友达光电股份有限公司 | Liquid crystal display panel |
| CN106501981A (en) * | 2016-12-13 | 2017-03-15 | 昆山龙腾光电有限公司 | Compound liquid crystal indicator and preparation method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255873A (en) * | 2017-07-20 | 2017-10-17 | 昆山龙腾光电有限公司 | The changeable display device in width visual angle and driving method |
| CN107255873B (en) * | 2017-07-20 | 2020-03-24 | 昆山龙腾光电股份有限公司 | Display device with switchable wide and narrow viewing angles and driving method |
| CN109239995A (en) * | 2018-11-23 | 2019-01-18 | 昆山龙腾光电有限公司 | Liquid crystal display device and its driving method |
| CN110333623A (en) * | 2019-06-17 | 2019-10-15 | 武汉华星光电技术有限公司 | Display device |
| CN110262098A (en) * | 2019-07-15 | 2019-09-20 | 昆山龙腾光电有限公司 | Liquid crystal display device and driving method |
| CN110824739A (en) * | 2019-10-31 | 2020-02-21 | 昆山龙腾光电股份有限公司 | Display panel, control method and display device |
| CN110824740A (en) * | 2019-11-11 | 2020-02-21 | 昆山龙腾光电股份有限公司 | Display panel, viewing angle control method of display panel and display device |
| CN113031319A (en) * | 2019-12-09 | 2021-06-25 | 和硕联合科技股份有限公司 | Display device |
| CN111190296A (en) * | 2020-02-25 | 2020-05-22 | 深圳市隆利科技股份有限公司 | Peep-proof method for display |
| CN111948839A (en) * | 2020-08-26 | 2020-11-17 | 上海天马微电子有限公司 | Display device and driving method thereof |
| CN113934048A (en) * | 2021-11-22 | 2022-01-14 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
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Application publication date: 20170711 |