CN109709730A - A kind of liquid crystal display panel and liquid crystal display device - Google Patents
A kind of liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN109709730A CN109709730A CN201910185898.7A CN201910185898A CN109709730A CN 109709730 A CN109709730 A CN 109709730A CN 201910185898 A CN201910185898 A CN 201910185898A CN 109709730 A CN109709730 A CN 109709730A
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Abstract
The embodiment of the present invention provides a kind of liquid crystal display panel and liquid crystal display device, is related to technical field of liquid crystal display, can reach the effect that peep-proof is shown.Liquid crystal display panel is divided into viewing area and non-display area；The liquid crystal display panel includes the array substrate being oppositely arranged and to box substrate and the array substrate and the liquid crystal layer between box substrate is arranged in；The array substrate includes the pixel electrode and public electrode that the viewing area is arranged in；Described includes the auxiliary electrode that the viewing area is arranged in box substrate.For realizing peep-proof display effect.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of liquid crystal display panels and liquid crystal display device.
Background technique
Liquid crystal display device (Liquid Crystal Display, abbreviation LCD) is due to small power consumption, micromation, light
The advantages that thin, thus have been more and more widely used.Increasingly developed with display technology, user is to liquid crystal display device
The requirement of energy is also higher and higher.Wherein, with mobile office, open working environment increase and that high-resolution is shown is general
And user is also more and more for the demand of peep-proof.
Currently, due to liquid crystal display device space have biggish luminous visual angle so that screen message, which is peeped to take, to be become to get over
It is easier to come, so that the safety of information be made to be affected.Such as certain user, some machines can be read in public places
Confidential information, and visual angle is big, and by surrounding, other people see for meeting since liquid crystal display device shines, thus make troubles to user,
The thus trend that there is the liquid crystal display device of peep-proof function to have become liquid crystal display device development for exploitation.
Summary of the invention
The embodiment of the present invention provides a kind of liquid crystal display panel and liquid crystal display device, can reach the effect that peep-proof is shown
Fruit.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
On the one hand, a kind of liquid crystal display panel is provided, viewing area and non-display area are divided into；The liquid crystal display panel packet
It includes the array substrate being oppositely arranged and to box substrate and the array substrate and the liquid crystal between box substrate is set
Layer；The array substrate includes the pixel electrode and public electrode that the viewing area is arranged in；Described includes setting to box substrate
Auxiliary electrode in the viewing area.
In some embodiments, the auxiliary electrode includes the first sub- auxiliary electrode being oppositely arranged, the second son auxiliary electricity
Pole and the sub- auxiliary electrode of multiple thirds being arranged between the described first sub- auxiliary electrode and the second sub- auxiliary electrode.
In some embodiments, the array substrate further includes peep-proof signal wire, for inputting electricity to the auxiliary electrode
Pressure；The liquid crystal display panel further includes that the array substrate and described at least one connection between box substrate is arranged in
Portion；The interconnecting piece is electrically connected close to the side to box substrate with the auxiliary electrode, and the interconnecting piece is close to the battle array
The side of column substrate is electrically connected with the peep-proof signal wire.
In some embodiments, the connecting portion is in the non-display area；Described further includes being arranged in institute to box substrate
Auxiliary electrode is stated close to the connection electrode of the interconnecting piece side, the connection electrode respectively with the auxiliary electrode and the company
Socket part contact.
In some embodiments, the liquid crystal display panel further include: setting is in the array substrate and described to box base
Sealant between plate；The connecting portion is in the sealant, and the interconnecting piece is towards the side to box substrate
With the surface not coated by the sealant is all had towards the side of the array substrate.
In some embodiments, the non-display area includes binding area；The interconnecting piece and the binding area are arranged in institute
State the same side of viewing area；Alternatively, the opposite two sides in the viewing area are arranged in the interconnecting piece and the binding area.
It in some embodiments, include the first sub- auxiliary electrode, the second sub- auxiliary electrode and the in the auxiliary electrode
In the case where three sub- auxiliary electrodes, the first sub- auxiliary electrode and the second sub- auxiliary electrode extend along prolonging on direction
Line is stretched by the binding area.
In some embodiments, the voltage inputted on the auxiliary electrode is in cyclically-varying, and the voltage in each period exists
First moment rose to second voltage by first voltage；At first moment to the second moment, risen by the second voltage
To tertiary voltage；At second moment to third moment, the tertiary voltage is kept；At the third moment, by described
Three voltages drop to the 4th voltage；At the third moment to the 4th moment, first electricity is dropped to by the 4th voltage
Pressure；At the 4th moment to the 5th moment, the first voltage is kept；Wherein, the second voltage is less than the 4th electricity
Pressure.
In some embodiments, the viewing area is divided into transparent area and alternatively non-transparent district；The auxiliary electrode is transparent electricity
Pole；Alternatively, the auxiliary electrode is non-transparent electrode, the auxiliary electrode is located at the alternatively non-transparent district.
On the other hand, a kind of liquid crystal display device is provided, including above-mentioned liquid crystal display panel；Further include: controller is used
Whether control is to auxiliary electrode input voltage.
The embodiment of the present invention provides a kind of liquid crystal display panel and liquid crystal display device, the array base in liquid crystal display panel
Plate includes pixel electrode and public electrode, since the horizontal component of electric field that pixel electrode and public electrode generate can drive in liquid crystal layer
Liquid crystal molecule deflect in the horizontal direction, thus the display of liquid crystal display panel may be implemented.In addition, in liquid crystal display panel
It include auxiliary electrode to box substrate, since the vertical electric field that auxiliary electrode is generated with pixel electrode and public electrode respectively can drive
Liquid crystal molecule in hydrodynamic crystal layer is deflected to vertical direction, when liquid crystal molecule is deflected to vertical direction, by lower polarizing film
Partial poolarized light can pass through liquid crystal molecule when passing through liquid crystal layer because of liquid crystal deflection, thus will appear light leakage, lead to liquid crystal
Show the contrast decline of panel.Since reduction degree of the contrast under different perspectives is different, side view visual angle is relative to facing view
The decline of angle contrast it is more, therefore when viewer watch the picture that liquid crystal display panel is shown under side view visual angle, because comparing
Degree reduces more under side view visual angle, and does not see the picture that liquid crystal display panel is shown, shows so as to reach peep-proof
Effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of region division schematic diagram of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram one of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram two of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram three of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram four of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of auxiliary electrode provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another auxiliary electrode provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram five of liquid crystal display panel provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram six of liquid crystal display panel provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram seven of liquid crystal display panel provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram eight of liquid crystal display panel provided in an embodiment of the present invention；
Figure 12 is a kind of structural schematic diagram nine of liquid crystal display panel provided in an embodiment of the present invention；
Figure 13 is a kind of waveform diagram for being input to voltage on auxiliary electrode provided in an embodiment of the present invention；
Figure 14 is a kind of circuit diagram of output voltage provided in an embodiment of the present invention；
Figure 15 is a kind of structural schematic diagram of liquid crystal display device provided in an embodiment of the present invention.
Appended drawing reference:
The viewing area 01-；02- non-display area；021- binds area；03- transparent area；04- alternatively non-transparent district；1- LCD display
Plate；2- controller；10- array substrate；The first substrate of 101-；102- insulating layer；20- is to box substrate；The second substrate of 201-；202-
Chromatic photoresist pattern；203- black matrix pattern；The first flatness layer of 204-；The second flatness layer of 205-；30- liquid crystal layer；40- pixel electricity
Pole；50- public electrode；60- auxiliary electrode；The sub- auxiliary electrode of 601- first；The sub- auxiliary electrode of 602- second；603- third is auxiliary
Help electrode；70- peep-proof signal wire；80- interconnecting piece；The sub- interconnecting piece of 801- first；The sub- interconnecting piece of 802- second；90- support portion；
100- connection electrode；110- sealant.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of liquid crystal display panel (panel), as shown in Figure 1, being divided into viewing area 01 and non-
Viewing area 02.As shown in Figures 2 and 3, liquid crystal display panel include the array substrate 10 being oppositely arranged and to box substrate 20 and
Array substrate 10 is set and to the liquid crystal layer 30 between box substrate 20；Array substrate 10 includes being arranged on the first substrate 101,
And it is located at the pixel electrode 40 and public electrode (VCOM) 50 of viewing area 01；It include being arranged in the second substrate 201 to box substrate 20
On, and it is located at the auxiliary electrode 60 of viewing area 01.
It is to be understood that since the array substrate of the embodiment of the present invention includes pixel electrode 40 and public electrode 50, i.e. picture
Plain electrode 40 and public electrode 50 are arranged in the same side of liquid crystal layer 30, thus in pixel electrode 40, public electrode 50 and auxiliary
When helping 60 no applied voltage of electrode, as shown in Figures 2 and 3, the liquid crystal molecule in liquid crystal layer 30 is horizontally arranged, i.e., at liquid crystal molecule
In the state of recumbency.
Work to liquid crystal display panel provided in an embodiment of the present invention under peep-proof mode and under non-peep-proof mode below
Process is described in detail.
Under non-peep-proof mode, auxiliary electrode 60 does not apply voltage, to 50 input voltage of pixel electrode 40 and public electrode,
As shown in Fig. 2, since pixel electrode 40 and public electrode 50 generate horizontal component of electric field, thus under horizontal component of electric field driving, liquid crystal point
Son deflects in the horizontal direction, to realize the normal display of liquid crystal display panel.
Under peep-proof mode, apply voltage to pixel electrode 40, public electrode 50 and auxiliary electrode 60, such as Fig. 4 institute
Show, since pixel electrode 40 and public electrode 50 generate horizontal component of electric field, auxiliary electrode 60 respectively with pixel electrode 40 and common electrical
Pole 50 generates vertical electric field, thus under the action of horizontal component of electric field, horizontal component of electric field can drive liquid crystal molecule to deflect in the horizontal direction,
To realize the display of liquid crystal display panel；Under the action of vertical electric field, vertical electric field can drive horizontally arranged liquid crystal point
Son is deflected to vertical direction, i.e., liquid crystal molecule can tilt.When liquid crystal molecule is deflected to vertical direction, by the portion of lower polarizing film
Divide polarised light that can pass through liquid crystal molecule because of liquid crystal deflection when passing through liquid crystal layer, thus will appear light leakage, leads to liquid crystal display
The contrast of panel declines.Since reduction degree of the contrast under different perspectives is different, side view visual angle is relative to front viewing angle
Contrast decline it is more, therefore when viewer watches the picture that liquid crystal display panel is shown under side view visual angle, because of contrast
What is reduced under side view visual angle is more, and does not see the picture that liquid crystal display panel is shown, shows so as to reaching peep-proof
Effect.
It should be noted that the voltage being applied on auxiliary electrode 60 is bigger, liquid crystal is got over to the angle that vertical direction deflects
Greatly, can be watched when side view liquid crystal display panel show picture maximum side view visual angle (sight deviate perpendicular to LCD display
The angle in plate direction) it is smaller, peep-proof effect is better.It, can be according to liquid can be watched under peep-proof mode in the embodiment of the present invention
The voltage of Design assistant electrode 60 is carried out at the maximum side view visual angle of LCD panel.Due under peep-proof mode, liquid crystal is to vertical side
To deflection, light changes through liquid crystal rear polarizer direction, it may appear that the brightness of L255 is lower, and causes the saturating of liquid crystal display panel
Rate reduction is crossed, and side view visual angle is smaller, transmitance is lower, thus under peep-proof mode, design the maximum side of liquid crystal display panel
It, should be while guaranteeing the maximum side view visual angle of liquid crystal display panel, it is ensured that the transmitance of liquid crystal display panel when depending on visual angle
It maximizes.
In some embodiments, as shown in Fig. 2, liquid crystal display panel is IPS (In Plane Switch, plane conversion)
Type liquid crystal display panel.When liquid crystal display panel is IPS type liquid crystal display panel, pixel electrode 40 and public electrode 50 are arranged
In same layer.In the case, pixel electrode 40 and public electrode 50 are strip.In further embodiments, such as Fig. 3 institute
Show, liquid crystal display panel is ADS (Advanced Super Dimension Switch, advanced super dimension switch) type liquid crystal
Show panel.When liquid crystal display panel is ADS type liquid crystal display panel, pixel electrode 40 and public electrode 50 are arranged in difference
Layer, is provided with insulating layer 102 between pixel electrode 40 and public electrode 50.In this case, it is possible to be pixel electrode 40 and public affairs
Common electrode 50 is strip；Being also possible to pixel electrode 40 is strip, and public electrode 50 is planar；Certainly it can also be pixel electricity
Pole 40 is blocky (i.e. positioned at the pixel electrode 40 of each transparent area without hollowed out area), and public electrode 50 is planar.
Liquid crystal display panel includes chromatic photoresist pattern and the black matrix pattern for spaced-apart circular photoresist pattern.Some
In embodiment, array substrate 10 includes chromatic photoresist pattern.In further embodiments, as shown in figure 5, including to box substrate 20
Chromatic photoresist pattern 202 and black matrix pattern 203.When to box substrate 20 include chromatic photoresist pattern 202 and black matrix pattern 203
When, color membrane substrates (Color Film, abbreviation CF) is referred to as to box substrate 20.It is including chromatic photoresist figure to box substrate 20
In the case where case 202 and black matrix pattern 203, chromatic photoresist pattern 202 and black matrix pattern 203 can be relative to auxiliary electricity
Pole 60 is close to liquid crystal layer 30；It is also possible to auxiliary electrode 60 relative to chromatic photoresist pattern 202 and black matrix pattern 203 close to liquid
Crystal layer 30.
In order to ensure being formed in the flatness of film layer on auxiliary electrode 60, thus as shown in figure 5, auxiliary electrode 60 far from
The side of two substrates 201 is additionally provided with the first flatness layer 204.It similarly, is including chromatic photoresist pattern 202 and black to box substrate 20
In the case where matrix pattern 203, in order to ensure being formed in the flat of film layer on chromatic photoresist pattern 202 and black matrix pattern 203
Property, thus as shown in figure 5, chromatic photoresist pattern 202 and black matrix pattern 203 are additionally provided with far from the side of the second substrate 201
Second flatness layer 205.
In addition, array substrate 10 is in addition to including pixel electrode 40 and public electrode 50, it further include thin film transistor (TFT) (Thin
Film Transistor, abbreviation TFT), grid line and data line etc..
As shown in Figure 1, viewing area 01 is divided into transparent area 03 and alternatively non-transparent district 04.Area where chromatic photoresist pattern 202
Domain is transparent area 03, and the region where black matrix pattern 203 is alternatively non-transparent district 04.
In some embodiments, auxiliary electrode 60 is transparent electrode.When auxiliary electrode 60 is transparent electrode, auxiliary electrode
60 material can be for example ITO (Indium Tin Oxide, tin indium oxide) or IZO (Indium Zinc Oxide, oxidation
Indium zinc) etc..Since auxiliary electrode 60 is transparent electrode, thus auxiliary electrode 60 can be set in transparent area 03；Also it can be set
In alternatively non-transparent district 04；Certainly can also partially setting be arranged in transparent area 03, part in alternatively non-transparent district 04.
In further embodiments, auxiliary electrode 60 is non-transparent electrode.It is auxiliary when auxiliary electrode 60 is non-transparent electrode
The material for helping electrode 60 for example can be one of Cu (copper), Ag (silver), Al (aluminium), Mg (magnesium) or a variety of.Due to auxiliary electricity
Pole 60 is non-transparent electrode, and in order to avoid influencing display, thus auxiliary electrode 60 is located at alternatively non-transparent district 04.
On this basis, the shape of auxiliary electrode 60 can according to need and is configured without limiting.It is assisting
In the case that electrode 60 is transparent electrode, in some embodiments, as shown in fig. 6, the shape of auxiliary electrode 60 is planar.Another
In some embodiments, as shown in fig. 7, auxiliary electrode 60 includes first sub- the 601, second son of auxiliary electrode auxiliary electricity being oppositely arranged
Pole 602 and the sub- auxiliary electrode of multiple thirds being arranged between the first sub- auxiliary electrode 601 and the second sub- auxiliary electrode 602
603, the shape of auxiliary electrode 60 is ladder shape at this time.Herein, the quantity of auxiliary electrode 603 sub- for third without limit,
It can according to need and be configured.In some embodiments, the alternatively non-transparent district 04 between adjacent rows transparent area 03 is arranged one
The sub- auxiliary electrode 603 of third.
The embodiment of the present invention includes but to be not limited to the shape of auxiliary electrode 60 be planar or auxiliary electrode 60 includes the first son
Auxiliary electrode 601, the second sub- auxiliary electrode 602 and the sub- auxiliary electrode 603 of third.
In the embodiment of the present invention, the shape relative to auxiliary electrode 60 is planar, when auxiliary electrode 60 includes being oppositely arranged
The first sub- auxiliary electrode 601, the second sub- auxiliary electrode 602 and setting in the first sub- auxiliary electrode 601 and the second son auxiliary
When the sub- auxiliary electrode 603 of multiple thirds between electrode 602, the area of auxiliary electrode 60 reduces, thus liquid crystal display panel exists
Under peep-proof mode, the power consumption of liquid crystal display panel can be reduced.
The embodiment of the present invention provides a kind of liquid crystal display panel, and the array substrate in liquid crystal display panel includes pixel electrode
40 and public electrode 50, since the horizontal component of electric field that pixel electrode 40 and public electrode 50 generate can drive the liquid in liquid crystal layer 30
Brilliant molecule deflects in the horizontal direction, thus the display of liquid crystal display panel may be implemented.In addition, in liquid crystal display panel to box
Substrate 20 includes auxiliary electrode 60, the vertical electric field generated respectively with pixel electrode 40 and public electrode 50 due to auxiliary electrode 60
The liquid crystal molecule in liquid crystal layer 30 can be driven to deflect to vertical direction, when liquid crystal molecule is deflected to vertical direction, under
The partial poolarized light of polarizing film can pass through liquid crystal molecule when passing through liquid crystal layer because of liquid crystal deflection, thus will appear light leakage, lead
Cause the contrast decline of liquid crystal display panel.Since reduction degree of the contrast under different perspectives is different, side view visual angle is opposite
In the more of front viewing angle contrast decline, therefore viewer watches the picture that liquid crystal display panel is shown under side view visual angle
When, because contrast reduces more under side view visual angle, and the picture that liquid crystal display panel is shown is not seen, so as to reach
The effect that peep-proof is shown.
It is considered that IC (Integrated Circuit, integrated circuit), PCB (Printed in liquid crystal display device
Circuit Board, printed circuit board) and signal input port etc. be all disposed in array substrate 10, for being liquid crystal
Show the cabling or electrode input signal on panel.For the ease of to 60 input voltage of auxiliary electrode, thus in some embodiments,
As shown in Figure 8 and Figure 9, array substrate 10 further includes peep-proof signal wire 70, is used for 60 input voltage of auxiliary electrode.Liquid crystal display
Panel further includes array substrate 10 being arranged in and at least one interconnecting piece 80 between box substrate 20；Interconnecting piece 80 is close to box
The side of substrate 20 is electrically connected with auxiliary electrode 60, and interconnecting piece 80 is electrically connected close to the side of array substrate 10 with peep-proof signal wire 70
It connects.
It is directly electrically connected with PCB it should be noted that can be peep-proof signal wire 70, PCB is inputted to peep-proof signal wire 70
Voltage；Be also possible to peep-proof signal wire 70 and FPC (Flexible Print Circuit, flexible circuit board) to be electrically connected, FPC with
The voltage of PCB electrical connection, PCB output is input on peep-proof signal wire 70 by FPC.
Herein, since interconnecting piece 80 is electrically connected with peep-proof signal wire 70 and auxiliary electrode 60 respectively, thus peep-proof signal wire
70 are electrically connected with auxiliary electrode 60, therefore the voltage on peep-proof signal wire 70 can be input to auxiliary electrode 60 by interconnecting piece 80
On.
For the peep-proof signal wire 70 in array substrate 10 setting position without limit, can be set in viewing area
01；Also it can be set in non-display area 02；Certainly it can also be part setting in viewing area 01, part is arranged in non-display area
02。
On this basis, the peep-proof signal wire 70 in array substrate 10 can be fabricated separately, not and in array substrate 10
The synchronous production of other pattern layers；Peep-proof signal wire 70 in array substrate 10 can also be with other pattern layers in array substrate 10
Synchronous production, for example, the production synchronous with data line or grid line of peep-proof signal wire 70.When the peep-proof signal wire 70 in array substrate 10
When production synchronous with other pattern layers in array substrate 10, the manufacture craft of array substrate 10 can simplify.
In addition, for array substrate 10 being arranged in and to the number of the interconnecting piece 80 between box substrate 20 without limiting,
Peep-proof signal wire 70 and auxiliary electrode 60 can be electrically connected by being subject to.Can array substrate 10 and to box substrate 20 it
Between be arranged an interconnecting piece 80；It can also be in array substrate 10 and to two or more multiple companies are arranged between box substrate 20
Socket part 80.
For interconnecting piece 80 structure without limit, in some embodiments, interconnecting piece 80 be single layer structure.Another
In a little embodiments, interconnecting piece 80 is multi-layer laminate structure, for example, as shown in figure 9, interconnecting piece 80 includes the first son being stacked
Interconnecting piece 801 and the second sub- interconnecting piece 802.It herein, in some embodiments, as shown in figure 9, can be by the first sub- interconnecting piece
801 or second sub- interconnecting piece 802 be set as conducting sphere (Ball).The material of conducting sphere for example can be Cu or AU (gold) etc..By
It is simple in conductive ball processing technique, thus the embodiment of the present invention sets the first sub- interconnecting piece 802 of sub- interconnecting piece 801 or the second to
Conducting sphere can simplify the manufacture craft of liquid crystal display panel.
When interconnecting piece 80 is multi-layer laminate structure, at least one layer in multi-layer laminate structure can in array substrate 10
The synchronous production of pattern layer, to simplify the manufacture craft of liquid crystal display panel.For example, interconnecting piece 80 includes the be stacked
One sub- interconnecting piece 801 and the second sub- interconnecting piece 802, the first sub- interconnecting piece 801 is synchronous with pixel electrode 40 to be made, the second son connection
Portion 802 and data line synchronization make.
In order to support array substrate 10 and to box substrate 20, it is ensured that liquid crystal cell is thick, as shown in figure 9, can be in interconnecting piece 80
Support portion 90 is set between peep-proof signal wire 70 or between interconnecting piece 80 and auxiliary electrode 60, is provided on support portion 90
Via hole.When support portion 90 is arranged between interconnecting piece 80 and peep-proof signal wire 70, interconnecting piece 80 passes through the mistake on support portion 90
Hole is electrically connected with peep-proof signal wire 70；When support portion 90 is arranged between interconnecting piece 80 and auxiliary electrode 60, interconnecting piece 80 is worn
The via hole crossed on support portion 90 is connect with auxiliary electrode 60.
Based on above-mentioned, for support portion 90 material without limiting, in some embodiments, the material of support portion 90 is
Resin (Resin).
In the embodiment of the present invention, since array substrate 10 includes peep-proof signal wire 70, thus liquid crystal display panel is being carried out
When peep-proof is shown, 60 required voltage of auxiliary electrode can be input on peep-proof signal wire 70 by PCB, and peep-proof signal wire 70 will be electric
Pressure is transferred on auxiliary electrode 60 by interconnecting piece 80, to provide voltage to auxiliary electrode 60.
In some embodiments, interconnecting piece 80 is located at viewing area 01.When interconnecting piece 80 is located at viewing area 01, interconnecting piece 80
Transparent area 03 can be located at, alternatively non-transparent district 04 can also be located at.Interconnecting piece 80 is located at alternatively non-transparent district 04 can be to avoid influence liquid crystal
The light transmittance of display panel light.
In further embodiments, interconnecting piece 80 is located at non-display area 02.Interconnecting piece 80 is arranged in non-display area 02, it can
The normal display of viewing area 01 is influenced to avoid interconnecting piece 80.In the case where interconnecting piece 80 is located at non-display area 02, in order to incite somebody to action
Auxiliary electrode 60 is electrically connected with interconnecting piece 80, therefore as shown in Figure 10, further includes setting in auxiliary electricity to box substrate 20
Close to the connection electrode 100 of 80 side of interconnecting piece, connection electrode 100 contacts with auxiliary electrode 60 and interconnecting piece 80 respectively for pole 60.
Herein, auxiliary electrode 60 and connection electrode 100 can be set in same layer；Also it can be set in different layers.Auxiliary
Electrode 60 and the material of connection electrode 100 can be identical；It can not also be identical.In order to simplify the manufacture craft to box substrate 20,
In some embodiments, auxiliary electrode 60 and the same material of 100 same layer of connection electrode, can make 60 He of auxiliary electrode simultaneously in this way
Connection electrode 100.
In addition, connection electrode 100 can be provided entirely in non-display area 02；Viewing area 01, portion can also be partially set
Set up separately and sets in non-display area 02.
It should be noted that in the case where interconnecting piece 80 is located at non-display area 02, interconnecting piece 80 and peep-proof signal wire 70
Electrical connection, peep-proof signal wire 70 can be provided entirely in non-display area 02；Non-display area 02 can also be partially set, partially set
It sets in viewing area 01.
In some embodiments, as is illustrated by figs. 11 and 12, liquid crystal display panel further include: be arranged in 10 He of array substrate
To the sealant (seal) 110 between box substrate 20；Interconnecting piece 80 is located in sealant 110, and interconnecting piece 80 is towards to box base
The side of plate 20 and the surface not coated by sealant 110 is all had towards the side of array substrate 10.
Herein, interconnecting piece 80 is located in sealant 110, and interconnecting piece 80 is towards the side to box substrate 20 and towards array
The side of substrate 10 all has the surface not coated by sealant 110, thus interconnecting piece 80 can respectively with connection electrode 100 and
Peep-proof signal wire 70 contacts.
In the embodiment of the present invention, since interconnecting piece 80 is located in sealant 110, thus avoids interconnecting piece 80 and occupy non-show
Show the space in area 02, so as to realize narrow frame.
As shown in figure 12, non-display area 02 includes binding area (Bonding) 021.Wherein, binding area 021 drives for being arranged
Dynamic IC walks line terminals, detection terminal (Test Pad) etc. with what driving IC was bound.
In the case where interconnecting piece 80 is located at non-display area 02, interconnecting piece 80 be can be set in any position of non-display area 02
It sets.For example, interconnecting piece 80 can be set in any side of viewing area 01.In another example interconnecting piece 80 can be set in viewing area
01 any two sides are both provided with connection electrode 100 between the interconnecting piece 80 and auxiliary electrode 60 of every side, wherein viewing area
01 any two sides can be the opposite two sides in viewing area 01, be also possible to the adjacent two sides in viewing area 01.When interconnecting piece 80 is set
It sets at any two sides of viewing area 01, voltage is inputted by the interconnecting piece 80 of side, is exported by the interconnecting piece 80 of the other side.
In some embodiments, the same side of viewing area 01 is arranged in interconnecting piece 80 and binding area 021, i.e. interconnecting piece 80 is set
It sets in DP (Data Pad, data-signal external circuit adhesion zone) side of viewing area 01；Alternatively, interconnecting piece 80 and binding area 021 are set
Set the two sides opposite in viewing area 01, i.e. DPO (Data Pad Opposition, the data that viewing area 01 is set of interconnecting piece 80
The opposite side of signal external circuit adhesion zone) side.
It should be noted that the side DP to be known as to the downside of liquid crystal display panel in the embodiment of the present invention, the side DPO is known as
Other sides in addition to the side DP and the side DPO are known as left and right sides by the upside of liquid crystal display panel.
It is to be understood that the same side of viewing area 01 is arranged in interconnecting piece 80 and connection electrode 100.
In the embodiment of the present invention, interconnecting piece 80 and binding area 021 are arranged in the same side of viewing area 01；Alternatively, connection
The opposite two sides in viewing area 01 are arranged in portion 80 and binding area 021, can occupy liquid crystal display panel in this way to avoid interconnecting piece 80
The space of the left and right sides, so as to realize narrow frame design.
In interconnecting piece 80 and binding area 021, the same side of viewing area 01 is set；Alternatively, interconnecting piece 80 and binding area 021
The opposite two sides in viewing area 01 are set, auxiliary electrode 60 include the first sub- auxiliary electrode 601, the second sub- auxiliary electrode 602 with
And in the case where the sub- auxiliary electrode 603 of third, in some embodiments, as shown in figure 12, the first sub- auxiliary electrode 601 and second
Sub- auxiliary electrode 602 extends along the extension line on direction by binding area 021.
Herein, it can be the first sub- auxiliary electrode 601 and the second sub- auxiliary electrode 602 be electrically connected with connection electrode 100 respectively
It connects；It is also possible to the sub- auxiliary electrode 603 of third to be electrically connected with connection electrode 100.
On this basis, under peep-proof mode, the voltage inputted to auxiliary electrode 60 can be fixed voltage；It is also possible to
The waveform of the voltage of input is square wave, trapezoidal wave or sine wave etc..It is considered that fixed voltage is inputted to auxiliary electrode 60, or
When the waveform of the voltage inputted to auxiliary electrode 60 is square wave, trapezoidal wave or sine wave, liquid crystal display panel can go out in display
It is existing bad.For example, liquid crystal display panel will appear mobile horizontal brightness in display when inputting square wave to auxiliary electrode 60.
In another example liquid crystal display panel will appear mobile level in display when inputting trapezoidal wave or sine wave to auxiliary electrode 60
Band-like bright Mura.
Based on above-mentioned, in some embodiments of the invention, as shown in figure 13, the voltage inputted on auxiliary electrode 60 is in week
The variation of phase property, the voltage in each period rise to second voltage V2 by first voltage V1 in the first moment t1；In the first moment t1
To the second moment t2, tertiary voltage V3 is risen to by second voltage V2；In the second moment t2 to third moment t3, third electricity is kept
Press V3；In third moment t3, the 4th voltage V4 is dropped to by tertiary voltage V3；In third moment t3 to the 4th moment t4, by
Four voltage V4 drop to first voltage V1；In the 4th moment t4 to the 5th moment t5, first voltage V1 is kept；Wherein, the second electricity
Press V2 less than the 4th voltage V4.
It should be noted that the initial time in each period is the first moment t1.
Herein, for how to generate the voltage of above-mentioned waveform without limiting, in some embodiments, with programmable list
Piece machine (model of single-chip microcontroller for example can be MSP430FR2311) is core, and other peripheral components of arranging in pairs or groups generate above-mentioned waveform.
In some embodiments, above-mentioned waveform can be generated by circuit as shown in figure 14.Voltage is exported by Vout in attached drawing 14, figure
NVIC and LM4040 in 14 are IC, and JTAG is that interface is written in control program, and CXO indicates crystal oscillator, and 8M and 32.768K are
Vibration frequency in the local oscillator wafer units time.
In the embodiment of the present invention, when inputting the voltage of above-mentioned waveform to auxiliary electrode 60, regional area Mura, Ke Yitong
Enhancing backlight illumination is crossed, adjustment TCON (Timer Control Register, timer/counter control register) comes excellent
Change, occurs so as to avoid liquid crystal display panel in display bad.
On this basis, when inputting the voltage of above-mentioned waveform to auxiliary electrode 60, since voltage Delay (delay) becomes
Change, thus the voltage for being located at liquid crystal display panel intermediate region and left and right sides region can be variant, is located at liquid crystal display panel
The voltage of intermediate region is less than the voltage for being located at region at left and right sides of liquid crystal display panel, so, is located at LCD display
The degree that the liquid crystal molecule of plate intermediate region is deflected to vertical direction is that the degree tilted is less than positioned at liquid crystal display panel or so
The degree that the liquid crystal molecule of two side areas is deflected to vertical direction.And voltage is bigger, the angle that liquid crystal molecule is deflected to vertical direction
Degree is bigger, and contrast is lower, thus the contrast in region is less than liquid crystal display panel middle area at left and right sides of liquid crystal display panel
The contrast in domain, therefore when inputting the voltage of above-mentioned waveform to auxiliary electrode 60, peep-proof effect can achieve more preferably.
The embodiment of the present invention also provides a kind of liquid crystal display device, as shown in figure 15, including above-mentioned liquid crystal display panel
1；Further include: controller 2, whether for controlling to 60 input voltage of auxiliary electrode.
It should be noted that liquid crystal display panel is in peep-proof mould when controller 2 is controlled to 60 input voltage of auxiliary electrode
It is shown under formula；When the control of controller 2 is not to 60 input voltage of auxiliary electrode, liquid crystal display panel is under non-peep-proof mode
It is shown, i.e., normal display.
Herein, no matter liquid crystal display device can be display movement (for example, video) or fix (for example, static image)
No matter and image that text is also any device.More particularly, it is contemplated that the embodiment may be implemented in a variety of electronics dresses
It is associated in setting or with a variety of electronic devices, a variety of electronic devices such as (but not limited to) for mobile phone, wireless device, a
Personal data assistant (PDA), hand-held or portable computer, GPS receiver/omniselector, camera, MP4 video player, camera shooting
Machine, game console, wrist-watch, clock, calculator, televimonitor, flat-panel monitor, computer monitor, automotive displays
(for example, odometer display etc.), navigator, Cockpit Control Unit and/or display, camera view display (for example, vehicle
The display of middle rear view camera), electronic photographs, electronic bill-board or direction board, projector, building structure, packaging and aesthetics knot
Structure (for example, for display of the image of a jewelry) etc..
The embodiment of the present invention provides a kind of liquid crystal display device, and liquid crystal display device includes liquid crystal display panel 1 and control
Device 2, liquid crystal display panel 1 are above-mentioned liquid crystal display panel, the liquid crystal display panel 1 in liquid crystal display device have with it is above-mentioned
The identical structure of liquid crystal display panel and beneficial effect that embodiment provides, since above-described embodiment is to liquid crystal display panel
1 is described in detail, thus details are not described herein again.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of liquid crystal display panel, is divided into viewing area and non-display area；The liquid crystal display panel includes being oppositely arranged
Array substrate and to box substrate and the array substrate and the liquid crystal layer between box substrate are set；Its feature exists
In,
The array substrate includes the pixel electrode and public electrode that the viewing area is arranged in；
Described includes the auxiliary electrode that the viewing area is arranged in box substrate.
2. liquid crystal display panel according to claim 1, which is characterized in that the auxiliary electrode includes be oppositely arranged
One sub- auxiliary electrode, the second sub- auxiliary electrode and setting the described first sub- auxiliary electrode and the second sub- auxiliary electrode it
Between the sub- auxiliary electrode of multiple thirds.
3. liquid crystal display panel according to claim 1 or 2, which is characterized in that the array substrate further includes peep-proof letter
Number line, for the auxiliary electrode input voltage；
The liquid crystal display panel further includes that the array substrate and described at least one connection between box substrate is arranged in
Portion；The interconnecting piece is electrically connected close to the side to box substrate with the auxiliary electrode, and the interconnecting piece is close to the battle array
The side of column substrate is electrically connected with the peep-proof signal wire.
4. liquid crystal display panel according to claim 3, which is characterized in that the connecting portion is in the non-display area；
Described further includes that the auxiliary electrode is arranged in close to the connection electrode of the interconnecting piece side, the connection to box substrate
Electrode is contacted with the auxiliary electrode and the interconnecting piece respectively.
5. liquid crystal display panel according to claim 4, which is characterized in that the liquid crystal display panel further include: setting
In the array substrate and the sealant between box substrate；The connecting portion is in the sealant, and the company
What socket part was not coated by the sealant towards the side to box substrate and all having towards the side of the array substrate
Surface.
6. liquid crystal display panel according to claim 4 or 5, which is characterized in that the non-display area includes binding area；
The same side of the viewing area is arranged in the interconnecting piece and the binding area；Alternatively, the interconnecting piece and the binding
The opposite two sides in the viewing area are arranged in area.
7. liquid crystal display panel according to claim 6, which is characterized in that include the first son auxiliary in the auxiliary electrode
In the case where electrode, the second sub- auxiliary electrode and the sub- auxiliary electrode of third, the first sub- auxiliary electrode and second son
Auxiliary electrode extends along the extension line on direction by the binding area.
8. liquid crystal display panel according to claim 1, which is characterized in that the voltage inputted on the auxiliary electrode is in week
The variation of phase property, the voltage in each period rise to second voltage by first voltage at the first moment；At first moment to
Two moment rose to tertiary voltage by the second voltage；At second moment to third moment, the third electricity is kept
Pressure；At the third moment, the 4th voltage is dropped to by the tertiary voltage；At the third moment to the 4th moment, by institute
It states the 4th voltage and drops to the first voltage；At the 4th moment to the 5th moment, the first voltage is kept；
Wherein, the second voltage is less than the 4th voltage.
9. liquid crystal display panel according to claim 1, which is characterized in that the viewing area is divided into transparent area and non-
Light area；
The auxiliary electrode is transparent electrode；
Alternatively, the auxiliary electrode is non-transparent electrode, the auxiliary electrode is located at the alternatively non-transparent district.
10. a kind of liquid crystal display device, which is characterized in that including such as described in any item liquid crystal display panels of claim 1-9；
Further include: controller, whether for controlling to auxiliary electrode input voltage.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023102981A1 (en) * | 2021-12-10 | 2023-06-15 | 武汉华星光电技术有限公司 | Display panel and display device |
| US11940690B2 (en) | 2021-12-10 | 2024-03-26 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel and display device |
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| EP0631172B1 (en) * | 1993-05-26 | 1998-09-30 | Hosiden And Philips Display Corporation | Gray scale liquid crystal display panel |
| KR20050036343A (en) * | 2003-10-16 | 2005-04-20 | 엘지.필립스 엘시디 주식회사 | Vertical alignment mode lcd |
| CN105425480A (en) * | 2015-12-31 | 2016-03-23 | 昆山龙腾光电有限公司 | View angle switchable liquid crystal display device and view angle switching method thereof |
| CN107624168A (en) * | 2016-08-08 | 2018-01-23 | 昆山龙腾光电有限公司 | The changeable liquid crystal display device in visual angle and its view angle switch method |
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|---|---|---|---|---|
| EP0631172B1 (en) * | 1993-05-26 | 1998-09-30 | Hosiden And Philips Display Corporation | Gray scale liquid crystal display panel |
| KR20050036343A (en) * | 2003-10-16 | 2005-04-20 | 엘지.필립스 엘시디 주식회사 | Vertical alignment mode lcd |
| CN105425480A (en) * | 2015-12-31 | 2016-03-23 | 昆山龙腾光电有限公司 | View angle switchable liquid crystal display device and view angle switching method thereof |
| CN107624168A (en) * | 2016-08-08 | 2018-01-23 | 昆山龙腾光电有限公司 | The changeable liquid crystal display device in visual angle and its view angle switch method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023102981A1 (en) * | 2021-12-10 | 2023-06-15 | 武汉华星光电技术有限公司 | Display panel and display device |
| US11940690B2 (en) | 2021-12-10 | 2024-03-26 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel and display device |
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| Publication number | Publication date |
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| CN109709730B (en) | 2021-11-23 |
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