CN108563078A - Liquid crystal display device and driving method - Google Patents
Liquid crystal display device and driving method Download PDFInfo
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- CN108563078A CN108563078A CN201810069007.7A CN201810069007A CN108563078A CN 108563078 A CN108563078 A CN 108563078A CN 201810069007 A CN201810069007 A CN 201810069007A CN 108563078 A CN108563078 A CN 108563078A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims description 20
- 239000000758 substrate Substances 0.000 claims abstract description 106
- 230000005611 electricity Effects 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 abstract description 12
- 230000005684 electric field Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 230000036544 posture Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000005685 electric field effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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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
- G02F1/1323—Arrangements for providing a switchable viewing angle
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/068—Adjustment of display parameters for control of viewing angle adjustment
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a kind of liquid crystal display devices, including first substrate, second substrate and the liquid crystal layer between first substrate and second substrate, first substrate is equipped with limits the multiple sub-pixels formed by multi-strip scanning line and multiple data lines mutually insulated intersection, first substrate is equipped with pixel electrode and public electrode, second substrate is equipped with bias electrode, bias electrode includes the first bias electrode block and the second bias electrode block of mutually insulated, the viewing area of liquid crystal display device includes the first display area and the second display area, first bias electrode block covers the first display area, second bias electrode block covers the second display area, first bias electrode block and the second bias electrode block are for applying the first control voltage or the second control voltage, it is that wide viewing angle is shown or narrow viewing angle is shown to make the first display area and the second display area.The liquid crystal display device of the present invention, the switching that separated regions is shown into row wide-narrow visual angle.
Description
Technical field
The present invention relates to the technical fields of liquid crystal display, more particularly to a kind of liquid crystal display device and driving method.
Background technology
Liquid crystal display device (liquid crystal display, LCD) has good, small, light-weight, the low drive of image quality
Dynamic voltage, low-power consumption, radiationless and relatively low manufacturing cost advantage, occupy an leading position in flat display field.
Present liquid crystal display device gradually develops towards wide viewing angle direction, is such as opened using plane conversion (IPS) or fringing field
Wider visual angle may be implemented in the liquid crystal display device of pass pattern (FFS).The design of wide viewing angle makes user from each side
To it can be seen that complete and distortionless picture.However, today's society people increasingly focus on protecting the privacy of oneself, have very much
Thing does not simultaneously like to take out and shares with people.In public, always wish that oneself is interior when seeing the mobile phone or browsing computer
Appearance is secrecy.Therefore, the display of single visual angle pattern cannot meet the needs of user.In addition to the demand of wide viewing angle
Except, under the occasion for needing peep-proof, it is also desirable to can switch or be adjusted to narrow viewing angle pattern by display device.
Currently, industry proposes that the bias electrode using the side colored filter substrate (CF) applies one to liquid crystal molecule and hangs down
Straight electric field, to realize width view angle switch.Liquid crystal display device include upper substrate, lower substrate and positioned at upper substrate and lower substrate it
Between liquid crystal layer, upper substrate be equipped with bias electrode.When wide viewing angle is shown, the bias electrode of upper substrate does not give voltage, liquid crystal
Showing device realizes that wide viewing angle is shown.When needing narrow viewing angle to show, the bias electrode of upper substrate, can be in upper substrate under to voltage
Vertical electric field is formed between substrate, the liquid crystal molecule of liquid crystal layer can be tilted because of vertical electric field, and liquid crystal display device is because of leakage
Light and contrast reduce, final to realize that narrow viewing angle is shown.
It please join Fig. 1, at present in the changeable technical solution in width visual angle, because the bias electrode 91 of upper substrate 90 is one whole
Face, therefore can only realize full frame narrow viewing angle or full frame wide viewing angle, and can not show narrow viewing angle in a part of region wherein, in addition
A part of region shows wide viewing angle.
Invention content
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of liquid crystal display dresses
It sets and driving method, solution liquid crystal display device can not be shown in a part of display area narrow viewing angle in another part region
The problem of wide viewing angle.
The purpose of the invention is achieved by the following technical solution：
The present invention provides a kind of liquid crystal display device, including the second substrate that first substrate and first substrate are oppositely arranged
And the liquid crystal layer between first substrate and second substrate, first substrate are equipped with by multi-strip scanning line and multiple data lines
Mutually insulated intersects the multiple sub-pixels for limiting and being formed, and first substrate is equipped with pixel electrode and public electrode, on second substrate
Equipped with bias electrode, bias electrode includes the first bias electrode block and the second bias electrode block of mutually insulated, liquid crystal display dress
The viewing area set include the first display area and the second display area, the first bias electrode block cover the first display area, second
Bias electrode block covers the second display area, the first bias electrode block and the second bias electrode block for applying the first control voltage
Or the second control voltage, the first bias electrode block and the second bias electrode block are for applying the first control voltage or the second control electricity
Pressure, it is that wide viewing angle is shown or narrow viewing angle is shown to make the first display area and the second display area.
Further, the first bias electrode block makes the first display area aobvious for wide viewing angle when applying the first control voltage
Show, the first bias electrode block makes the first display area be that narrow viewing angle is shown when applying the second control voltage, the second bias electrode
Block makes the second display area be that wide viewing angle is shown when applying the first control voltage, and the second bias electrode block is applying the second control
It is that narrow viewing angle is shown to make the second display area when voltage.
Further, liquid crystal display device further includes judgment module and the drive module that is connected with judgment module, judges mould
For judging whether display information to be shown is confidential information, drive module is used for the first bias electrode block and second partially block
Electrode block is pressed to apply the first control voltage or the second control voltage.
Further, the first display area and the second display area be respectively the viewing area of liquid crystal display device left side and
Two, right side part.
Further, the viewing area of liquid crystal display device further includes third display area, and bias electrode further includes and first
The third bias electrode block of bias electrode block and the second bias electrode block mutually insulated, third bias electrode block covering third are shown
Region, third bias electrode block are applying for applying the first control voltage or the second control voltage, the first bias electrode block
It is that wide viewing angle show to make third display area when one control voltage, third bias electrode block apply second control voltage when make the
Three display areas are that narrow viewing angle is shown.
Further, the first display area, the second display area and third display area are respectively liquid crystal display device
Left side, middle part and three, the right side part of viewing area.
The present invention also provides a kind of liquid crystal display devices, including the second base that first substrate and first substrate are oppositely arranged
Plate and the liquid crystal layer between first substrate and second substrate, first substrate are equipped with by multi-strip scanning line and a plurality of data
Line mutually insulated intersects the multiple sub-pixels for limiting and being formed, and first substrate is equipped with pixel electrode and public electrode, second substrate
It is equipped with auxiliary reference electrode, is additionally provided with a plurality of common wire on first substrate, public electrode includes the multiple public of mutually insulated
Electrode block, in each sub-pixel or per adjacent multiple sub-pixels in set there are one public electrode block and the public electrode block it is logical
It crosses a switch element with a scan line and a common wire to be connected, each public electrode block is for applying the first control voltage
Or second control voltage, when each public electrode block in the part display area of liquid crystal display device apply first control electricity
When pressure, part display area is that wide viewing angle is shown, when each public electrode block in the display area of part is applying the second control
When voltage, part display area is that narrow viewing angle is shown.
Further, liquid crystal display device further includes judgment module and the drive module that is connected with judgment module, judges mould
Block is for judging whether display information to be shown is confidential information, and drive module is for each public affairs into part display area
Common electrode block applies the first control voltage or the second control voltage.
Further, liquid crystal display device further includes setting module, and setting module is connected to judgment module and drive module
Between, setting module is used for when display information to be shown is confidential information, according to the data volume of confidential information to be shown
The size of how many setting sections display area.
Further, a plurality of common wire extends in same direction with multi-strip scanning line, and the multiple data lines are a plurality of with this
Common wire is arranged alternately with each other in scanning line direction, and a data line and one are equipped between two adjacent row sub-pixels of left and right
Common wire, and the data line is disposed proximate to the common wire.
The present invention also provides a kind of driving methods of liquid crystal display device as described above, including：
Receive display information to be shown；
Judge whether display information to be shown is confidential information；
If display information to be shown is non-confidential information, apply to the first bias electrode block and the second bias electrode block
First control voltage, it is that wide viewing angle shows and is used to show non-machine to be shown to make the first display area and the second display area
Confidential information；
If display information to be shown is confidential information, in the block extremely to the first bias electrode block and the second bias electrode
One of them few application the second control voltage, it is that narrow viewing angle shows and is used for make the first display area and/or the second display area
Show confidential information to be shown.
Further, if display information to be shown is confidential information, which further includes：According to be shown
How much is the data volume of confidential information, judges the size for showing display area needed for confidential information to be shown, and root
It selects to apply the second control voltage to the first bias electrode block according to the size of required display area, or to the second bias plasma
Pole block applies the second control voltage, or applies the second control electricity to the first bias electrode block and the second bias electrode block simultaneously
Pressure.
The present invention also provides a kind of driving methods of liquid crystal display device as described above, including：
Receive display information to be shown；
Judge whether display information to be shown is confidential information；
If display information to be shown is non-confidential information, each public affairs into the entire viewing area of liquid crystal display device
Common electrode block apply first control voltage, make the entire viewing area of liquid crystal display device be wide viewing angle show and be used for display wait for
The non-confidential information of display；
If display information to be shown is confidential information, each public electrode block into part display area applies the
Two control voltages, it is that narrow viewing angle shows and is used to show confidential information to be shown to make part display area.
Further, if display information to be shown is confidential information, which further includes：According to be shown
How much is the data volume of confidential information, judges the size for showing display area needed for confidential information to be shown, and root
According to the size of the size setting section display area of required display area.
A kind of liquid crystal display device and driving method of the present invention can realize that liquid crystal display device subregion shows that width regards
Angle, subregion show wide viewing angle, and automatic progress view angle switch as needed, allow user that can be carried out at the same time the multi-task
Operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of upper substrate bias electrode in the prior art.
Fig. 2 is the structural schematic diagram of bias electrode in first embodiment of the invention.
Fig. 3 is the sectional view of the first display area or the second display area under wide viewing angle in first embodiment of the invention.
Fig. 4 is the sectional view of the first display area or the second display area under narrow viewing angle in first embodiment of the invention.
Fig. 5 is the structural schematic diagram of bias electrode in another embodiment of the present invention.
Fig. 6 be in first embodiment of the invention can subregion switching visual angle liquid crystal display device driving method schematic diagram.
Fig. 7 is the sectional view of the first display area or the second display area under wide viewing angle in second embodiment of the invention.
Fig. 8 is the sectional view of the first display area or the second display area under narrow viewing angle in second embodiment of the invention.
Fig. 9 be in third embodiment of the invention can subregion switching visual angle liquid crystal display device circuit framework figure.
Figure 10 is the timing control figure of part display area in Fig. 9.
Figure 11 is sectional view of the part display area under wide viewing angle in third embodiment of the invention.
Figure 12 is sectional view of the part display area under narrow viewing angle in third embodiment of the invention.
Figure 13 be in third embodiment of the invention can subregion switching visual angle liquid crystal display device driving method schematic diagram.
Figure 14 a are the schematic diagrames of part display area when opening confidential information in fourth embodiment of the invention.
Figure 14 b are the schematic diagrames of part display area when opening another confidential information in fourth embodiment of the invention.
Figure 15 is sectional view of the part display area under wide viewing angle in fifth embodiment of the invention.
Figure 16 is sectional view of the part display area under narrow viewing angle in fifth embodiment of the invention.
Figure 17 be in sixth embodiment of the invention can subregion switching visual angle liquid crystal display device circuit framework figure.
Specific implementation mode
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, but is not the present invention's
Practical range is confined to this.
[first embodiment]
As shown in figure 3, first embodiment of the invention provides a kind of liquid crystal display device, which includes：First substrate 10,
The second substrate 20 being oppositely arranged with first substrate 10 and the liquid crystal layer 30 between first substrate 10 and second substrate 20,
First substrate 10 is equipped with limits the multiple sub-pixel SP formed (figures by multi-strip scanning line and multiple data lines mutually insulated intersection
In do not show), first substrate 10 be equipped with pixel electrode 13 and public electrode 11.
Second substrate 20 is equipped with black matrix 21, color blocking layer 22, flatness layer 23 and bias plasma in the side towards liquid crystal layer 30
Pole 24, color blocking layer 22 are, for example, R, G, B color blocking.As shown in Fig. 2, bias electrode 24 includes the first bias electrode block of mutually insulated
241 and the second bias electrode block 242, the viewing area of liquid crystal display device includes the first display area A1 and the second display area
A2, the first bias electrode block 241 cover the first display area A1, and the second bias electrode block 242 covers the second display area A2, the
One bias electrode block 241 and the second bias electrode block 242 make for applying the first control voltage V1 or the second control voltage V2
One display area A1 and the second display area A2 is that wide viewing angle is shown or narrow viewing angle is shown.Specifically, the first bias electrode block 241
It is that wide viewing angle show to make the first display area A1 when applying the first control voltage V1, and the first bias electrode block 241 is in application the
It is that narrow viewing angle is shown to make the first display area A1 when two control voltage V2, and the second bias electrode block 242 is applying the first control electricity
It is that wide viewing angle is shown to make the second display area A2 when pressing V1, and the second bias electrode block 242 makes when applying the second control voltage V2
Second display area A2 is that narrow viewing angle is shown.
Further, liquid crystal display device further includes receiving module 50, judgment module 60 and is connected with judgment module 60
Drive module 70, receiving module 50 is for receiving information to be displayed, and judgment module 60 is for judging that display information to be shown is
No is confidential information, and drive module 70 is used to apply the first control to the first bias electrode block 241 and the second bias electrode block 242
The control voltages of voltage V1 or second V2；When the first display area A1 and the second display area A2 are used to show non-confidential information
When, drive module 70 applies the first control voltage V1 to the first bias electrode block 241 and the second bias electrode block 242 makes first
Display area A1 and the second display area A2 is that wide viewing angle is shown；When only the first display area A1 is for showing confidential information
When, drive module 70 applies the second control voltage V2 to the first bias electrode block 241 keeps the first display area A1 aobvious for narrow viewing angle
Show, drive module 70 applies the first control voltage V1 to the second bias electrode block 242 keeps the second display area A2 aobvious for wide viewing angle
Show；When only the second display area A2 is for when showing confidential information, drive module 70 to apply second to the second bias electrode block 242
Control voltage V2 makes the second display area A2 be that narrow viewing angle is shown, drive module 70 applies first to the first bias electrode block 241
Control voltage V1 makes the first display area A1 be that wide viewing angle is shown；When the first display area A1 and the second display area A2 are used to
When showing confidential information, drive module 70 applies the second control to the first bias electrode block 241 and the second bias electrode block 242
Voltage V2 makes the first display area A1 and the second display area A2 be that narrow viewing angle is shown.
Specifically, the first display area A1 and the second display area A2 is respectively the left side of the viewing area of liquid crystal display device
With two, right side part, the first display area A1 and the second display area A2 occupied areas are of different sizes, such as the first viewing area
The area of domain A1 is more than the second display area A2；When judgment module 60 judges that confidential information occupied area to be shown is smaller,
Confidential information is shown in the second display area A2, when judgment module 60 judges that confidential information occupied area to be shown is larger
When, confidential information is shown in the first display area A1, when judgment module 60 judges that confidential information needs to be shown are full frame
When display, confidential information is shown in entire viewing area.
As shown in Fig. 2, illustrating bias electrode 24 to be divided into the first bias electrode block 241 and the second bias electrode block in Fig. 2
242, however, the present invention is not limited thereto please join Fig. 5, and in other embodiments, the viewing area of liquid crystal display device further includes that third is aobvious
Show that region A3, the first display area A1, the second display area A2 and third display area A3 are respectively the aobvious of liquid crystal display device
Show the left side, middle part and three, right side part in area.Bias electrode 24 further includes and the first bias electrode block 241 and the second bias plasma
The third bias electrode block 243 of 242 mutually insulated of pole block, third bias electrode block 243 cover third display area A3, and third is inclined
Electrode block 243 is pressed to apply first for applying the first control voltage V1 or the second control voltage V2, the first bias electrode block 241
It is that wide viewing angle is shown to make third display area A3 when controlling voltage V1, and third bias electrode block 243 is applying the second control voltage
It is that narrow viewing angle shows that the first bias electrode block 241, the second bias motor block 242 and third are inclined to make third display area A3 when V2
Pressure electrode block 243 is electrically connected with drive module 70, and then realizes the first bias electrode block 241,242 and of the second bias motor block
Third bias electrode block 243 can independent control width visual angle switching.When confidential information occupied area to be shown is larger,
Confidential information can be shown jointly in the first display area A1 and the second display area A2, or in the second display area A2 and
Three display area A3 are shown jointly；When confidential information to be shown needs full screen display, by confidential information in entire viewing area
It is shown；When confidential information occupied area to be shown is smaller, confidential information can be placed on and be shown positioned at intermediate second
Show that region A2 is shown, peep-proof function can be better achieved.
The present embodiment is less than the second display area A2 occupied areas, judgment module 60 with the first display area A1 occupied areas
Judge that confidential information occupied area to be shown is smaller, confidential information is only shown in the first display area A1 and is illustrated.
In the present embodiment, the liquid crystal molecule in liquid crystal layer 30 is positive liquid crystal molecules, and it is fast that positive liquid crystal molecules have response
The advantages of.Such as Fig. 3, under original state (when i.e. first substrate 10 does not apply any voltage with second substrate 20), liquid crystal layer 30
The lie low posture substantially parallel with substrate 10,20, the long axis direction and base of positive liquid crystal molecules is presented in interior positive liquid crystal molecules
The surface of plate 10,20 is substantially parallel.But in practical applications, between the positive liquid crystal molecules in liquid crystal layer 30 and substrate 10,20
It can may be less than with the initial pre-tilt angle of very little, the range of the initial pre-tilt angle or be equal to 10 degree, i.e.,：0°≦θ≦10°.
When information to be displayed is non-confidential information, applies direct current common voltage DC Vcom to public electrode 11, drive mould
Block 70 applies the first control voltage V1 to the first bias electrode block 241 and the second bias electrode block 242 so that the first bias electrode
The voltage difference of block 241 and the second bias electrode block 242 and public electrode 11 is less than preset value, wherein first, which controls voltage V1, is
DC voltage and amplitude are close or equal with direct current common voltage DC Vcom, for example, the first control voltage V1 and direct current common electrical
It is 0V to press DC Vcom all；As shown in figure 3, the positive liquid crystal molecules in liquid crystal layer 30 maintain small initial pre-dumping with substrate at this time
Angle, the first display area A1 and the second display area A2 are wide viewing angle pattern.
When information to be displayed is confidential information, apply direct current common voltage DC Vcom, drive module to public electrode 11
70 apply the first control voltage V1 to the second bias electrode block 242, apply the second control voltage to the first bias electrode block 241
V2 makes the voltage difference of the second bias electrode block 242 and public electrode 11 be less than preset value, the first bias electrode block 241 and public
The voltage difference of electrode 11 is more than preset value, wherein the second control voltage V2 be relative to direct current common voltage DC Vcom centered on
The periodic AC voltage of the alternating voltage of fluctuation, for example, direct current common voltage DC Vcom are 0V, the second control voltage V2 is
5V；
Due to existing between the first bias electrode block 241 on the public electrode 11 on first substrate 10 and second substrate 20
Therefore larger bias voltage can form stronger vertical electric field (arrow E institutes in such as Fig. 4 between two substrates 10,20
Show).Since positive liquid crystal molecules will rotate under electric field action along the direction for being parallel to electric field line, positive liquid crystal molecules
It will deflect under vertical electric field effect, between the liquid crystal molecule and substrate 10,20 of 241 lower section of the first bias electrode block
Angle of inclination increase, liquid crystal molecule is lateral attitude from the posture changing that lies low, and is caused from the first of liquid crystal display device the display
When the strabismus side of region A1 looks up screen, the contrast of screen reduces and influences viewing effect, and visual angle is made to reduce, to real
Existing narrow viewing angle pattern.That is, when the first bias electrode block 241 on second substrate 20 applies the second above-mentioned control electricity
When pressing V2, the corresponding first display area A1 of the liquid crystal display device is in narrow viewing angle pattern, and confidential information is placed on the first display
Region A1 can prevent from being pried through；
As shown in figure 3, the liquid crystal molecule under the second bias electrode block 242 is still in the posture that lies low, corresponding liquid crystal
Second display area A2 of showing device is still wide viewing angle pattern.
As shown in fig. 6, the present embodiment also provides a kind of method of the above-mentioned liquid crystal display device of driving, including：
Receive display information to be shown；
Judge whether display information to be shown is confidential information；
Liquid crystal display device further includes judgment module 60 and the drive module being connected with judgment module 60 70, judgment module 60
For judging whether display information to be shown is confidential information, drive module 70 is used for each of into part display area C1
Public electrode block 111 applies the first control voltage V1 or the second control voltage V2.
Further, if display information to be shown is confidential information, which further includes：
According to the data volume of confidential information to be shown how much, judge to show needed for confidential information to be shown for showing
The size in region, and selected to the second control of the first bias electrode block 241 application according to the size of required display area
Voltage V2 processed either applies second to the second bias electrode block 242 and controls voltage V2 or simultaneously to the first bias electrode block
241 and second bias electrode block 242 apply the second control voltage V2.
Specifically, judge band show information whether be confidential information can by setting keyword or specific software,
For example when softwares such as the vocabulary such as appearance " account, password, report ", or opening mail, Web bank, shown that information is sentenced
It is set to confidential information.
Liquid crystal display device and driving method provided in this embodiment, by the bias electrode 24 from one of script second substrate 20
Whole face is divided into the first bias electrode block 241 and the second bias electrode block 242, can open information to be displayed using computer
When, judge whether information to be displayed is confidential information, when information to be displayed is confidential information, is occupied according to needed for confidential information
Size confidential information is moved to the first display area A1 or the second display area A2 is shown, then by driving mould
The control of block 70 will need corresponding first bias electrode block, 241 or second display areas the first display area A1 of narrow viewing angle
The corresponding second bias electrode blocks of A2 242 give high voltage, realize that liquid crystal display device subregion shows narrow viewing angle, part area
Domain shows wide viewing angle, and can automatically be switched over according to size needed for confidential information.
[second embodiment]
The liquid crystal display device (Fig. 3) that the liquid crystal display device that second embodiment of the invention provides is provided with first embodiment
It is essentially identical, the difference is that, in the present embodiment, the liquid crystal of liquid crystal layer 30 is negative liquid crystal molecule, referring to FIG. 8,
Under original state (when i.e. first substrate 10 does not apply any voltage with second substrate 20), the negative liquid crystal molecule in liquid crystal layer 30
There is larger initial pre-tilt angle relative to substrate 10,20, i.e. negative liquid crystal molecule is in relative to substrate 10,20 in original state
Lateral attitude, the narrow viewing angle pattern of liquid crystal display device realization at this time.
The present embodiment is less than the second display area A2 occupied areas, judgment module 60 with the first display area A1 occupied areas
Judge that confidential information occupied area to be shown is smaller, confidential information is only shown in the first display area A1 and is illustrated.
When the information to be displayed is non-confidential information, applies direct current common voltage DC Vcom to public electrode 11, drive
Dynamic model block 70 applies the first control voltage V1 to the first bias electrode block 241 and the second bias electrode block 242, makes the first bias plasma
The voltage difference of pole block 241 and the second bias electrode block 242 and public electrode 11 is more than preset value, and the first control voltage V1 is opposite
The alternating voltage fluctuated centered on direct current common voltage DC Vcom, for example, the first control voltage V1 is 5V, DC Vcom are
0V；Due between first substrate 10 and second substrate 20 have larger bias voltage, in liquid crystal cell in first substrate 10 with
Stronger vertical electric field E (as shown by the arrows in Figure 7) is will produce between second substrate 20, since negative liquid crystal molecule is made in electric field
It will be deflected along perpendicular to the direction of electric field line with lower, therefore negative liquid crystal molecule deflects under vertical electric field E effects,
First display area A1 and the second display area A2 realizes that wide viewing angle is shown.
When the information to be displayed is confidential information, apply direct current common voltage DC Vcom, driving to public electrode 11
Module 70 applies the first control voltage V1 to the first bias electrode block 241, makes the first bias electrode block 241 and public electrode 11
Voltage difference is less than preset value, wherein the second control voltage V2 is that DC voltage and amplitude and direct current common voltage DC Vcom are close
Or it is equal, such as the second control voltage V2 and direct current common voltage DC Vcom is 0V.Referring to FIG. 8, due to first substrate 10
Smaller with the voltage difference of second substrate 20, the negative liquid crystal molecule under the first bias electrode block 241 has relative to substrate 10,20
Have a larger initial pre-tilt angle, i.e., negative liquid crystal molecule in original state relative to substrate 10,20 inclined postures, at this time this
First display area A1 of one bias electrode block, 241 corresponding liquid crystal display device is narrow viewing angle pattern；
To public electrode 11 apply apply direct current common voltage DC Vcom, to the second bias electrode block 242 apply with it is public
The first larger control voltage V1 of 11 voltage difference of electrode, for example, the first control voltage V1 is 5V, direct current common voltage DC Vcom
For 0V；So that the angle of inclination between liquid crystal molecule and substrate 10,20 is reduced, Fig. 7 please be join, the second bias electrode block 242 is corresponding
Second display area A2 of liquid crystal display device is wide viewing angle pattern, to realize width visual angle simultaneously and be stored in display picture.
Remaining structure and operation principle of the present embodiment are identical with the first embodiment, and which is not described herein again.
[3rd embodiment]
Such as the liquid crystal display device that Fig. 9, Figure 11 are arrived and shown in 12, and third embodiment of the invention provides, including first substrate
10, and the second substrate 20 that is oppositely arranged of first substrate 10 and the liquid crystal layer between first substrate 10 and second substrate 20
30。
First substrate 10 be equipped with by multi-strip scanning line 16 and 17 mutually insulated of multiple data lines intersection limit formed it is more
A sub-pixel SP, first substrate 10 are equipped with pixel electrode 13 and public electrode 11, are additionally provided on first substrate 10 a plurality of public
Line 18, public electrode 11 include multiple public electrode blocks 111 of mutually insulated, in each sub-pixel SP or per adjacent multiple
Public electrode block 111 and the public electrode block 111 pass through a switch element 15 there are one being set in sub-pixel SP and one scans
Line 16 is connected with a common wire 18, and each public electrode block 111 is for applying the first control voltage V1 or the second control voltage
V2, when each public electrode block 111 in the part display area C1 of liquid crystal display device is in application the first control voltage V1,
Part display area C1 is that wide viewing angle is shown, when each public electrode block 111 in the C1 of part display area is applying the second control
When voltage V2 processed, part display area C1 is that narrow viewing angle is shown.
Second substrate 20 is equipped with black matrix 21, color blocking layer 22, flatness layer 23 and auxiliary ginseng in the side towards liquid crystal layer 30
Electrode 25 is examined, color blocking layer 22 is, for example, R, G, B color blocking.
Further, liquid crystal display device further includes receiving module 50, judgment module 60 and is connected with judgment module 60
Drive module 70, receiving module 50 is for receiving information to be displayed, and judgment module 60 is for judging that display information to be shown is
No is confidential information, and drive module 70 applies the first control for each public electrode block 111 into part display area C1
The control voltages of voltage V1 or second V2；When part display area C1 is for when showing non-confidential information, drive module 70 to be to entire
Each public electrode block 111 in viewing area, which applies the first control voltage V1, makes part display area C1 and part display area C1
Outer other regions are that wide viewing angle is shown；When part display area C1 is for when showing confidential information, drive module 70 to be to portion
Each public electrode block 111 in point display area C1, which applies the second control voltage V2, keeps part display area C1 aobvious for narrow viewing angle
Show.
Further, a plurality of common wire 18 extends in same direction with multi-strip scanning line 16, the multiple data lines 17 with
The a plurality of common wire 18 is arranged alternately with each other on 16 direction of scan line, and one is equipped between two adjacent row sub-pixel SP of left and right
Data line 17 and a common wire 18, and the data line 17 is disposed proximate to the common wire 18.
In the present embodiment, the liquid crystal molecule in liquid crystal layer 30 is positive liquid crystal molecules.When display information to be shown is non-
Confidential information applies DC reference voltage Vref to auxiliary reference electrode 25, and drive module 70 is aobvious to part by common wire 18
Show that each public electrode block 111 in other regions in the C1 of region and outside the C1 of part display area applies the first control voltage
V1 makes each public electrode block 111 and the voltage difference of auxiliary reference electrode 25 be less than preset value；Wherein, the first control voltage
V1 is DC voltage and amplitude is close or equal with the DC reference voltage Vref, for example, the first control voltage V1 and direct current
Reference voltage Vref is all 0V；As shown in figure 11, the positive liquid crystal molecules in liquid crystal layer 30 maintain small initial pre-dumping with substrate
Other regions outside angle, the part display area C1 and part display area C1 are all wide viewing angle pattern.
When display information to be shown be confidential information, to auxiliary reference electrode 25 apply DC reference voltage Vref, drive
Dynamic model block 70 applies first by each public electrode block 111 of the common wire 18 in other regions to outside the C1 of part display area
Control voltage V1 so that the voltage difference of the public electrode block 111 and auxiliary reference electrode 25 is less than preset value, to part viewing area
Each public electrode block 111 in the C1 of domain applies the second control voltage V2 so that the public electrode block 111 and auxiliary reference electrode
25 voltage difference is more than preset value, wherein the second control voltage V bis- centered on DC reference voltage Vref relative to fluctuating
Alternating voltage, for example, the first control voltage V1 and DC reference voltage Vref is 0V, the second control voltage V2 is 5V；
Due between the auxiliary reference electrode 25 on the public electrode block 111 and second substrate 20 in the C1 of part display area
There are larger bias voltages, therefore, stronger vertical electric field (arrow E in such as Figure 12 can be formed between two substrates 10,20
It is shown).Since positive liquid crystal molecules will rotate under electric field action along the direction for being parallel to electric field line, positivity liquid crystal point
Son will deflect under vertical electric field effect, make between the liquid crystal molecule under the public electrode block 111 and substrate 10,20
Angle of inclination increases, and the part display area C1 of the 111 corresponding liquid crystal display device of public electrode block leniently cut by field-of-view mode
Shift to narrow viewing angle pattern.
Please refer to Fig.1 1, other liquid crystal being applied under the public electrode block 111 of the first control voltage V1 are still in lying low
Posture, other regions outside the part display area C1 of corresponding liquid crystal display device are still wide viewing angle pattern, and then are realized
Liquid crystal display device part display area is narrow viewing angle pattern, and part display area is the purpose of wide viewing angle pattern.
With continued reference to FIG. 9, region in dotted line frame is part display area C1, in order to indicate convenient in figure, with G1,
G2 ... G6 illustrate the multi-strip scanning line 16, and with D1, D2 ..., D6 illustrates the multiple data lines 17, and with S1, S2 ..., S5 illustrates this plurality of
Common wire 18；Figure 10 is the timing control figure of the part display area C1 of Fig. 9, and same frame is applied to the every of part display area C1
The polarity of the alternating voltage of a public electrode block 111 is identical, and reversion is primary per frame.
As shown in figure 13, the present embodiment also provides a kind of method driving the liquid crystal display device, including：
Receive display information to be shown；
Judge whether display information to be shown is confidential information；
If display information to be shown is non-confidential information, each public affairs into the entire viewing area of liquid crystal display device
Common electrode block 111 applies the first control voltage V1, and it is that wide viewing angle shows and is used for make the entire viewing area of liquid crystal display device
Show non-confidential information to be shown；
If display information to be shown is confidential information, each public electrode block 111 into part display area C1
Apply the second control voltage V2, it is that narrow viewing angle shows and is used to show confidential information to be shown to make part display area C1.
Liquid crystal display device and driving method provided in this embodiment, with public electrode block 111 into row wide-narrow view angle switch
Under framework can individually control a sub-pixel SP and shown with wide viewing angle or narrow viewing angle, it is only necessary to the electricity of public electrode block 111
Pressure is controlled, and the width visual angle that can be achieved with the regional extent is shown, and can open information to be displayed using computer
When, judge whether information to be displayed is confidential information, when information to be displayed is confidential information, preset part is made to show
Region C1 shows for narrow viewing angle, and confidential information to be shown is only shown in the part display area C1, and part
Other regions outside the C1 of display area are still to be shown with wide viewing angle, realize that liquid crystal display device can switch width in subregional and regard
Angle mould formula, and automatically switched as needed.
[fourth embodiment]
As shown in figures 14a, the liquid crystal that the liquid crystal display device that fourth embodiment of the invention provides is provided with 3rd embodiment
Display device (Fig. 9) is essentially identical, the difference is that, in the present embodiment, liquid crystal display device further includes setting module 80,
Setting module 80 is connected between judgment module 60 and drive module 70, and setting module 80 for being in display information to be shown
When confidential information, according to the size of the data volume of confidential information to be shown how many setting sections display area C1.
The liquid crystal that the driving method for the liquid crystal display device that fourth embodiment of the invention provides is provided with 3rd embodiment
The driving method of showing device the difference is that, in the present embodiment, if judging display information to be shown for confidential information,
The driving method further includes：
According to the data volume of confidential information to be shown how much, judge to show needed for confidential information to be shown for showing
The size in region, and the size of the size setting section display area C1 according to required display area.
It please join Figure 14 a and Figure 14 b, the region in dotted line frame is part display area C1, that is to say, that accounts for screen in opening
When the different confidential information of area, defined by other regions outside part display area C1 and part display area C1 not yet
Identical, when confidential information to be shown needs full screen display, part display area C1 is the entire of liquid crystal display device at this time
Viewing area.
Compared with 3rd embodiment, the area of part display area C1 can be to be shown according to needing instantly in the present embodiment
The number of confidential information amount is set, i.e., the size of part display area C1 can be according to screen shared by information to be displayed
Area is adjusted, and then each public electrode block 111 into the part display area C1 of setting applies voltage to control again
The width view angle switch of part display area C1 shows that the confidential information of screen arbitrary dimension can realize peep-proof to open to account for
Function.
Remaining structure and operation principle of the present embodiment are identical as 3rd embodiment, and which is not described herein again.
[the 5th embodiment]
The liquid crystal display device (Fig. 9) that the liquid crystal display device that fifth embodiment of the invention provides is provided with 3rd embodiment
It is essentially identical, the difference is that, in the present embodiment, the liquid crystal of liquid crystal layer 30 is negative liquid crystal molecule, please refers to Fig.1 6,
Under original state (when i.e. first substrate 10 does not apply any voltage with second substrate 20), the negative liquid crystal molecule in liquid crystal layer 30
There is larger initial pre-tilt angle relative to substrate 10,20, i.e. negative liquid crystal molecule is in relative to substrate 10,20 in original state
Lateral attitude, the narrow viewing angle pattern of liquid crystal display device realization at this time.
When display information to be shown is non-confidential information, apply DC reference voltage to auxiliary reference electrode 25
Vref, drive module 70 is by common wire 18 in other regions to outside the C1 of part display area and in the C1 of part display area
Each public electrode block 111 applies the first control voltage V1, makes the voltage difference of the public electrode block 111 and auxiliary reference electrode 25
More than preset value；Wherein first control voltage V1 is relative to the alternating voltage fluctuated centered on DC reference voltage Vref, example
Such as, the first control voltage V1 is 5V, and DC reference voltage Vref is 0V；As shown in figure 15, the positivity liquid crystal in liquid crystal layer 30 point
Son maintains small initial pre-tilt angle with substrate, and other regions outside the part display area C1 and part display area C1 are all width
Field-of-view mode.
When display information to be shown is confidential information, apply DC reference voltage Vref to auxiliary reference electrode 25,
Drive module 70 applies the by each public electrode block 111 of the common wire 18 in other regions to outside the C1 of part display area
One control voltage V1 so that the voltage difference of the public electrode block 111 and auxiliary reference electrode 25 is more than preset value, drive module 70
Apply the second control voltage V2 by each public electrode block 111 of the common wire 18 into part display area C1 so that the public affairs
The voltage difference of common electrode block 111 and auxiliary reference electrode 25 is less than preset value, wherein the second control voltage V2 be DC voltage and
Amplitude is close or equal with the DC reference voltage Vref, such as the second control voltage V2 and DC reference voltage Vref is
0V；
6 are please referred to Fig.1, the public electrode block 111 in the C1 of part display area and the auxiliary reference electricity on second substrate 20
When voltage difference between pole 25 is smaller, negative liquid crystal molecule in liquid crystal layer 30 has larger initial relative to substrate 10,20
Pre-tilt angle, i.e. negative liquid crystal molecule are in original state relative to substrate 10,20 inclined postures, and part display area C1 is at this time
Narrow viewing angle pattern.
As shown in figure 15, other liquid crystal being applied in the public electrode block 111 of the first control voltage V1 are still in lying low
Posture, other regions outside the part display area C1 of corresponding liquid crystal display device are still wide viewing angle pattern, to liquid crystal
Display device part display area is narrow viewing angle pattern, and part display area is the purpose of wide viewing angle pattern.
Remaining structure and operation principle of the present embodiment are identical as 3rd embodiment, and which is not described herein again.
[sixth embodiment]
As shown in figure 17, the liquid crystal that the liquid crystal display device that sixth embodiment of the invention provides is provided with 3rd embodiment
Showing device (Fig. 9) is essentially identical, the difference is that, in the present embodiment, per two adjacent sub-pixels on second substrate 20
It is set in SP there are one public electrode block 111 and each public electrode block 111 is by a switch element 15 and corresponding scan line
16 are connected with corresponding common wire 18, i.e., a public electrode block 111 covers two sub-pixel SP, it is possible to reduce the number of common wire
Amount saves cost.
Remaining structure and operation principle of the present embodiment are identical as 3rd embodiment, and which is not described herein again.
The above embodiment is the embodiment of the present invention, is not intended to limit implementation and the interest field of the present invention, all
The equivalence changes and modification that the content described in the apllied protection domain of patent is made according to the present invention, should all be included in this hair
In bright scope of patent protection.
Claims (14)
1. a kind of liquid crystal display device, including first substrate (10), the second substrate that is oppositely arranged with the first substrate (10)
(20) liquid crystal layer (30) and between the first substrate (10) and the second substrate (20), on the first substrate
The multiple sub-pixels (SP) formed, the first substrate are limited equipped with being intersected by multi-strip scanning line and multiple data lines mutually insulated
(10) it is equipped with pixel electrode (13) and public electrode (11), the second substrate (20) is equipped with bias electrode (24), special
Sign is that the bias electrode (24) includes the first bias electrode block (241) and the second bias electrode block of mutually insulated
(242), the viewing area of the liquid crystal display device includes the first display area (A1) and the second display area (A2), and described first
Bias electrode block (241) covers first display area (A1), and the second bias electrode block (242) covering described second is aobvious
Show region (A2), the first bias electrode block (241) and the second bias electrode block (242) for applying the first control electricity
(V1) or the second control voltage (V2) are pressed, it is wide viewing angle to make first display area (A1) and second display area (A2)
Display or narrow viewing angle are shown.
2. liquid crystal display device as described in claim 1, which is characterized in that the first bias electrode block (241) is applying
It is that wide viewing angle is shown to make first display area (A1) when the first control voltage (V1), the first bias electrode block
(241) it is that narrow viewing angle is shown to make first display area (A1) when applying the second control voltage (V2), described second
Bias electrode block (242) makes second display area (A2) aobvious for wide viewing angle when applying the first control voltage (V1)
Show, the second bias electrode block (242) makes second display area (A2) when applying the second control voltage (V2)
It is shown for narrow viewing angle.
3. liquid crystal display device as described in claim 1, which is characterized in that the liquid crystal display device further includes judgment module
(60) and with the judgment module (60) drive module (70) being connected, the judgment module (60) are used to judge to be shown show
Show whether information is confidential information, the drive module (70) is used for the first bias electrode block (241) and described second
Bias electrode block (242) applies the first control voltage (V1) or the second control voltage (V2).
4. liquid crystal display device as described in claim 1, which is characterized in that first display area (A1) and described second
Display area (A2) is respectively two parts of left and right side of the viewing area of the liquid crystal display device.
5. liquid crystal display device as described in claim 1, which is characterized in that the viewing area of the liquid crystal display device further includes
Third display area (A3), the bias electrode (24) further include with the first bias electrode block (241) and it is described second partially
Press the third bias electrode block (243) of electrode block (242) mutually insulated, the third bias electrode block (243) covering described the
Three display areas (A3), the third bias electrode block (243) is for applying the first control voltage (V1) or the second control voltage
(V2), the first bias electrode block (241) makes the third display area when applying the first control voltage (V1)
(A3) be that wide viewing angle show, the third bias electrode block (243) apply described second control voltage (V2) when make described the
Three display areas (A3) are that narrow viewing angle is shown.
6. liquid crystal display device as claimed in claim 5, which is characterized in that first display area (A1), described second
Display area (A2) and the third display area (A3) be respectively the left side of the viewing area of the liquid crystal display device, middle part and
Three, right side part.
7. a kind of liquid crystal display device, including first substrate (10), the second substrate that is oppositely arranged with the first substrate (10)
(20) liquid crystal layer (30) and between the first substrate (10) and the second substrate (20), the first substrate
(10) it is equipped with and the multiple sub-pixels formed is limited by multi-strip scanning line (16) and multiple data lines (17) mutually insulated intersection
(SP), the first substrate (10) is equipped with pixel electrode (13) and public electrode (11), and the second substrate (20) is equipped with
Auxiliary reference electrode (25), which is characterized in that be additionally provided with a plurality of common wire (18), the common electrical on the first substrate (10)
Pole (11) includes multiple public electrode blocks (111) of mutually insulated, and each sub-pixel (SP) is interior or per adjacent multiple sub- pictures
It is set in plain (SP) and passes through a switch element (15) and one there are one public electrode block (111) and the public electrode block (111)
Scan line (16) is connected with a common wire (18), each public electrode block (111) for apply first control voltage (V1) or
Second control voltage (V2), when each public electrode block (111) in the part display area (C1) of the liquid crystal display device
When applying the first control voltage (V1), the part display area (C1) is that wide viewing angle is shown, when the part is shown
Each public electrode block (111) in region (C1) is when applying the second control voltage (V2), the part display area
(C1) it is that narrow viewing angle is shown.
8. liquid crystal display device as claimed in claim 7, which is characterized in that the liquid crystal display device further includes judgment module
(60) and with the judgment module (60) drive module (70) being connected, the judgment module (60) are used to judge to be shown show
Show whether information is confidential information, the drive module (70) is for each common electrical into the part display area (C1)
Pole block (111) applies the first control voltage (V1) or the second control voltage (V2).
9. liquid crystal display device as claimed in claim 8, which is characterized in that the liquid crystal display device further includes setting module
(80), the setting module (80) is connected between the judgment module (60) and the drive module (70), the setting mould
Block (80) is used for when the display information to be shown is confidential information, according to the data volume of the confidential information to be shown
How much the size of the part display area (C1) is set.
10. liquid crystal display device as claimed in claim 7, which is characterized in that a plurality of common wire (18) with it is described a plurality of
Scan line (16) extends in same direction, and the multiple data lines (17) are with a plurality of common wire (18) in scan line (16) direction
On be arranged alternately with each other, between two adjacent row sub-pixels (SP) of left and right be equipped with a data line (17) and a common wire
(18), and the data line (17) is disposed proximate to the common wire (18).
11. a kind of driving method of such as claim 1 to 6 any one of them liquid crystal display device, which is characterized in that including：
Receive display information to be shown；
Judge whether the display information to be shown is confidential information；
If the display information to be shown is non-confidential information, to the first bias electrode block (241) and described second
Bias electrode block (242) applies the first control voltage (V1), makes first display area (A1) and second display
Region (A2) is that wide viewing angle shows and is used to show the non-confidential information to be shown；
If the display information to be shown is confidential information, partially to the first bias electrode block (241) and described second
The second control voltage (V2) of at least one application in electrode block (242) is pressed, first display area (A1) is made
And/or second display area (A2) is that narrow viewing angle shows and is used to show the confidential information to be shown.
12. driving method as claimed in claim 11, which is characterized in that if the display information to be shown is confidential information
When, which further includes：According to the data volume of the confidential information to be shown how much, judge described to wait showing for showing
The size of display area needed for the confidential information shown, and selected to described first according to the size of required display area
Bias electrode block (241) applies the second control voltage (V2), or to described in the second bias electrode block (242) application
Second control voltage (V2), or applied simultaneously to the first bias electrode block (241) and the second bias electrode block (242)
Add the second control voltage (V2).
13. a kind of driving method of such as claim 7 to 10 any one of them liquid crystal display device, which is characterized in that including：
Receive display information to be shown；
Judge whether the display information to be shown is confidential information；
If the display information to be shown is non-confidential information, every into the entire viewing area of the liquid crystal display device
A public electrode block (111) applies the first control voltage (V1), makes the entire viewing area of the liquid crystal display device be
Wide viewing angle shows and is used to show the non-confidential information to be shown；
If the display information to be shown is confidential information, each public electrode into the part display area (C1)
Block (111) applies the second control voltage (V2), and it is that narrow viewing angle shows and is used to show to make the part display area (C1)
The confidential information to be shown.
14. driving method as claimed in claim 13, which is characterized in that if the display information to be shown is confidential information
When, which further includes：According to the data volume of the confidential information to be shown how much, judge described to wait showing for showing
The size of display area needed for the confidential information shown, and the part is set according to the size of required display area and is shown
Show the size of region (C1).
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| CN110376773A (en) * | 2019-07-22 | 2019-10-25 | 昆山龙腾光电有限公司 | The driving method of visual angle switchable liquid crystal display device |
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