CN103926742B - A kind of color membrane substrates and liquid crystal display panel - Google Patents

A kind of color membrane substrates and liquid crystal display panel Download PDF

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Publication number
CN103926742B
CN103926742B CN201410098747.5A CN201410098747A CN103926742B CN 103926742 B CN103926742 B CN 103926742B CN 201410098747 A CN201410098747 A CN 201410098747A CN 103926742 B CN103926742 B CN 103926742B
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electrode
liquid crystal
display panel
crystal display
opening
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CN103926742A (en
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黄贤军
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Tianma Microelectronics Co Ltd
Shanghai Tianma Microelectronics Co Ltd
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Tianma Microelectronics Co Ltd
Shanghai Tianma Microelectronics Co Ltd
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Priority to CN2013107535296 priority
Priority to CN201310753529.6 priority
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Priority to CN201410098747.5A priority patent/CN103926742B/en
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Abstract

The invention discloses a kind of color membrane substrates and liquid crystal display panel, the liquid crystal display panel includes:The array base palte that color membrane substrates and color membrane substrates are oppositely arranged, the liquid crystal layer between color membrane substrates and array base palte, the liquid crystal display panel are divided into viewing area and the outer peripheral areas around viewing area;Outer peripheral areas on the inside of color membrane substrates is provided with black matrix, the black matrix has at least one opening, described be open is arranged on an at least side for outer peripheral areas, and the black matrix of the side of outer peripheral areas is divided into close to viewing area part and away from viewing area part by the opening;Corresponding to opening, first electrode and second electrode are provided with the inside of liquid crystal display panel.The present invention is by setting opening to prevent influence of the exterior static to the display effect of liquid crystal display panel;By the first electrode and second electrode being correspondingly arranged with opening, the light leak that is open can be prevented, so as to improve the display effect of liquid crystal display panel.

Description

A kind of color membrane substrates and liquid crystal display panel
Technical field
The present invention relates to display technology field, more particularly to a kind of color membrane substrates and liquid crystal display panel.
Background technology
Liquid crystal display device(Liquid Crystal Display, abbreviation LCD)Because its have frivolous external form, little power consumption and The advantages that radiationless pollution, it has been widely used at present in the products such as TV, notebook computer and mobile phone.Liquid crystal It is the critical component for the display effect for directly affecting liquid crystal display device to show panel.
Fig. 1 is the top view of the liquid crystal display panel of prior art.As shown in figure 1, liquid crystal display panel is divided into viewing area Domain 11 and the outer peripheral areas 12 around viewing area 11, viewing area 11 include multiple pixel cells 111 and black matrix 112, Wherein, black matrix 112 extends to the edge of liquid crystal display panel, and covers outer peripheral areas 12, can so prevent well outer Enclose the light leak of region 12.In addition, liquid crystal display panel also includes driving chip 13 to control the pixel cell in viewing area 11 111。
Because black matrix 112 extends to the edge of liquid crystal display panel, outside electrostatic is easy to pass by black matrix 112 Lead to viewing area 11, so as to influence the display effect of liquid crystal display panel, cause picture to show bad, such as turn white or send out It is green etc..
The content of the invention
In view of this, the embodiment of the present invention provides a kind of color membrane substrates and liquid crystal display panel, to solve prior art In black matrix from exterior conductive electrostatic to cause liquid crystal display panel to show bad technical problem.
In a first aspect, the embodiments of the invention provide a kind of liquid crystal display panel, including:Color membrane substrates and the color film The array base palte that substrate is oppositely arranged, the liquid crystal layer between the color membrane substrates and the array base palte, the liquid crystal Show that panel is divided into viewing area and the outer peripheral areas around the viewing area;
Outer peripheral areas on the inside of the color membrane substrates is provided with black matrix, and the black matrix has at least one opening, institute At least side that opening is arranged on outer peripheral areas is stated, the black matrix of the side of the outer peripheral areas is divided into by the opening to be leaned on Nearly viewing area part and remote viewing area part;
Corresponding to the opening, first electrode and second electrode are provided with the inside of the liquid crystal display panel.
Second aspect, the embodiment of the present invention additionally provide a kind of color membrane substrates, the color membrane substrates be divided into viewing area and Outer peripheral areas around the viewing area, the outer peripheral areas of the color membrane substrates are provided with black matrix, and the black matrix has At least one opening, described be open are arranged on an at least side for outer peripheral areas.
Color membrane substrates and liquid crystal display panel provided in an embodiment of the present invention, pass through the outer peripheral areas to color membrane substrates Black matrix sets opening, exterior static can be prevented to be transmitted to viewing area, so as to avoid exterior static to liquid crystal display The influence of the display effect of panel;It is corresponding with opening, first electrode and second electrode are set on the inside of liquid crystal display panel, can To control the liquid crystal molecule of electric field region that first electrode and second electrode formed so that its is light tight, so as to prevent out Mouth light leak, and the display effect of liquid crystal display panel can be improved.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other Feature, objects and advantages will become more apparent upon:
Fig. 1 is the top view of the liquid crystal display panel of prior art;
Fig. 2 is a kind of part section structural representation of liquid crystal display panel of the embodiment of the present invention one;
Fig. 3 is a kind of trace-diagram of array base palte of the embodiment of the present invention one;
Fig. 4 is the trace-diagram of another array base palte of the embodiment of the present invention one;
Fig. 5 is along the cross-sectional view in A1-A2 directions in Fig. 4;
Fig. 6 is a kind of top view of liquid crystal display panel of the embodiment of the present invention one;
Fig. 7 is the part section structural representation of another liquid crystal display panel of the embodiment of the present invention one;
Fig. 8 is a kind of part section structural representation of liquid crystal display panel of the embodiment of the present invention two;
Fig. 9 is a kind of trace-diagram of array base palte of the embodiment of the present invention two;
Figure 10 is along the cross-sectional view in B1-B2 directions in Fig. 9;
Figure 11 is a kind of part section structural representation of liquid crystal display panel of the embodiment of the present invention three;
Figure 12 is a kind of trace-diagram of array base palte of the embodiment of the present invention three;
Figure 13 is a kind of part section structural representation of liquid crystal display panel of the embodiment of the present invention four.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just Part related to the present invention rather than full content are illustrate only in description, accompanying drawing.
The embodiment of the present invention one provides a kind of liquid crystal display panel.Fig. 2 is the liquid crystal display panel of the embodiment of the present invention one Part section structural representation.As shown in Fig. 2 the liquid crystal display panel includes:Color membrane substrates 21 and the color membrane substrates 21 array base paltes 22 being oppositely arranged, the liquid crystal layer 23 between the color membrane substrates 21 and the array base palte 22, it is described Liquid crystal display panel is divided into viewing area 31 and the outer peripheral areas 32 around the viewing area 31(Dotted line in figure is used to split Viewing area 31 and outer peripheral areas 32);The outer peripheral areas 32 of the inner side of color membrane substrates 21 is provided with black matrix 241, described black Matrix 241 has at least one opening 41, and the opening 41 is arranged on an at least side for outer peripheral areas 32, and the opening 41 will The black matrix 241 of the side of the outer peripheral areas 32 is divided for close to viewing area part 241a and away from viewing area part 241b;Corresponding to the opening 41, first electrode 42 and second electrode 43 are provided with the inside of the liquid crystal display panel.
It should be noted that showing schematically that black matrix 241 has an opening 41 in Fig. 2, and opened with one The first electrodes 42 and a second electrode 43 that mouth 41 is correspondingly arranged, but this is only one kind of the liquid crystal display panel Structure, the bar number for the opening 41 having on black matrix 241 and the electricity of first electrode 42 and second being correspondingly arranged with opening 41 The number of pole 43, is not limited herein.
In addition, in fig. 2, liquid crystal display panel also includes the color blocking positioned at the viewing area 31 of the inner side of color membrane substrates 21 251 and the black matrix 242 of viewing area 31;Pixel electrode 261 positioned at the viewing area 31 of the inner side of array base palte 22.These Structure is all part essential when liquid crystal display panel normally show.
Specifically, referring to Fig. 2, the outer peripheral areas 32 of the inner side of color membrane substrates 21, which is provided with black matrix 241, can prevent periphery The light leak of region 32, the light that the light leak can refer to the backlight from the back of array base palte 22 spill and discovered by personnel, or Refer to external environmental light after the reflection of array base palte 22 by personnel to be discovered.Further, in order to prevent the influence of exterior static, The black matrix 241 of outer peripheral areas 32 is provided with opening 41, and the opening 41 makes the black matrix 241 of outer peripheral areas 32 divide to be close Viewing area part 241a and remote viewing area part 241b, that is, outer peripheral areas 32 are provided with the side of opening 41, black Two parts that matrix 241 is changed into mutually completely cutting off in the side.If exterior static enters away from viewing area part 241b, because It is isolation away from viewing area part 241b and close to viewing area part 241a, electrostatic can not just be transmitted to viewing area 31 Black matrix 242 on, would not also occur because electric field in viewing area 31 is abnormal caused by electrostatic, to thereby may be ensured that display The normal display effect in region 31.
Further, in order to prevent that at opening 41 light leak may be produced, corresponding to the opening 41, in LCD Outer peripheral areas 32 on the inside of plate is provided with first electrode 42 and second electrode 43, and the first electrode 42 and second electrode 43 can be with The rotation of the liquid crystal molecule 231 of 41 corresponding regions of control opening is light tight to ensure, so as to prevent light leak at opening 41.
In embodiment one, please referring next to Fig. 2, the first electrode 42 is located on the inside of color membrane substrates 21, and described second Electrode 43 is located at the inner side of array base palte 22, and first electrode 42 and second electrode 43 are formed TN types(Twisted Nematic, Twisted nematic)Liquid crystal drive pattern, can control in the energized state between first electrode 42 and second electrode 43 The rotation of the liquid crystal molecule 231 in region.
It is conductive between first electrode 42 and the black matrix 241 of outer peripheral areas 32 in order to prevent, in first electrode 42 and periphery Insulating barrier 44 is provided between the black matrix 241 in region 32, is electrically insulated between the two with realizing, so as to so that opening 41 can Function well as the effect for preventing exterior static to be transmitted to viewing area 31.
Alternatively, the viewing area 31 of the inner side of color membrane substrates 21 is provided with public electrode 27, the first electrode 42 It is identical with the current potential of public electrode 27.In embodiment one, due to the liquid crystal of first electrode 42 and the formation TN types of second electrode 43 Drive pattern, the liquid crystal drive pattern provides vertical electric field for the rotation of the liquid crystal molecule of respective regions, in order that respective regions Liquid crystal molecule is light tight while and can enough avoids the shadow that the current potential of first electrode 42 rotates to the liquid crystal molecule of viewing area 31 Ring, the current potential of first electrode 42 can be arranged to it is identical with the current potential of public electrode 27, i.e., the current potential of first electrode 42 for public affairs The current potential of common voltage.Preferably, the first electrode 42 and the public electrode 27 link together.It can not only so realize Common electric voltage can be provided for first electrode 42 and public electrode 27 simultaneously when liquid crystal display panel works, and can reduced The quantity of control circuit cabling.It is possible to further extend to the part of the outer peripheral areas of color membrane substrates 21 with public electrode 27 To form first electrode 42, it can so reduce the size of liquid crystal display panel, and be applied to the less product of frame.
In addition, the current potential of first electrode 42 can not also be identical with the current potential of public electrode 27, and can be as needed Set.However, referring to Fig. 2, first electrode 42 can be formed simultaneously with public electrode 27, it is preferable that first electrode 42 can To use identical material with public electrode 27, so as to which in manufacturing process, cost can be reduced with simplification of flowsheet.Need Illustrate, in embodiment one, the current potential of first electrode 42 is not construed as limiting.
For the current potential of second electrode 43, can be set as needed, make first electrode 42 and second electrode 43 it Between the electric field controls that are formed be located at the electric field region liquid crystal molecule rotation, ensure in liquid crystal display panel work Shi Shigai areas The liquid crystal molecule in domain is light tight, to prevent light leak at opening 41.
Fig. 3 is a kind of trace-diagram of array base palte of the embodiment of the present invention one.As shown in figure 3, the viewing area of array base palte Domain 31 includes multi-strip scanning line 262 and data wire 263, and the multi-strip scanning line 262 and data wire 263, which intersect, limits multiple pixels Unit, each pixel cell include a pixel electrode 261 and a thin film transistor (TFT) 264.Wherein, the film of adjacent rows is brilliant The grid of body pipe 264 electrically connects with corresponding scan line 262 respectively, and corresponding scan line 262 is again respectively by positioned at viewing area The peripheral wiring 265 of scan line in the outer peripheral areas 32 of the both sides of domain 31 is electrically connected to driving chip 29.This set scan line The mode of peripheral wiring 265 can efficiently reduce the area of outer peripheral areas 32, the constant feelings of the area in viewing area 31 Under condition, the area of liquid crystal display panel can be efficiently reduced.In addition, the source electrode of each row thin film transistor (TFT) 264 with the row Data wire 263 electrically connect, the corresponding pixel electrode 261 of drain electrode of each thin film transistor (TFT) 264 electrically connects;Drive core The peripheral wiring 266 that piece 29 is electrically connected to scan line 262 and data wire by the peripheral wiring 265 of scan line is electrically connected to number According to line 263, control signal is transmitted to pixel electrode 261 respectively, to control the display of each pixel cell in array base palte.
Referring to Fig. 3, in the outer peripheral areas 32 of array base palte, include the second electrode 43 of strip, wherein second electrode 43 material uses metal, can so stop that backlight penetrates second electrode 43, reduce the light by liquid crystal layer, so as to favourable In prevent be open 41 light leaks;In addition, the peripheral wiring 265 of second electrode 43 and scan line is located at same layer, and with scan line It is insulation between peripheral wiring 265(Non- the moon between second electrode 43 and the peripheral wiring 265 of scan line in figure 3 Shadow zone domain).Preferably, the peripheral wiring 265 of second electrode 43 and scan line uses same metal material, such second electrode 43 Can together it be formed in manufacturing process with the peripheral wiring 265 of scan line, so as to simplification of flowsheet.
It is possible to further form second electrode 43 using the peripheral wiring 265 of scan line.Liquid crystal display panel according to In the case where being not powered on, state in which can be divided into normally black mode and normal white mode.The normally black mode is being not powered on In the case of, liquid crystal display panel is light tight, i.e., in black state;The often white mode is the liquid crystal in the case where being not powered on Display panel printing opacity, i.e., in white screen state.If second electrode 43, a side are formed using the peripheral wiring 265 of scan line Face, for normally black mode, the current potential of first electrode 42 can be set for the current potential of the peripheral wiring 265 of scan line or close to sweeping The current potential of the peripheral wiring 265 of line is retouched, when liquid crystal display panel works, first electrode 42 and second electrode 43 can not make position Liquid crystal molecule between two electrodes rotates, so that the outer peripheral areas of liquid crystal display panel still keeps black state, so as to Light leak at opening 41 can be prevented;On the other hand, for normal white mode, the current potential that can set first electrode 42 is public electrode 27 current potential, when liquid crystal display panel works, first electrode 42 and second electrode 43 can make the liquid between two electrodes Brilliant molecule rotates, so that the outer peripheral areas of liquid crystal display panel is in black state, so as to prevent from leaking at opening 41 Light.Second electrode 43 is set by using the peripheral wiring 265 of scan line, the size of liquid crystal display panel can be reduced, and Suitable for the less product of frame.
Fig. 4 is the trace-diagram of another array base palte of the embodiment of the present invention one.As shown in figure 4, the cabling of array base palte It is consistent with the cabling of the array base palte in Fig. 3, it will not be repeated here.In addition, the outer peripheral areas 32 of array base palte has strip Second electrode 43, and the second electrode 43 uses transparent conductive material, such as tin indium oxide(Indium Tin Oxide, letter Claim ITO), indium zinc oxide(Indium Zinc Oxide, abbreviation IZO)Or both combination etc..Due to transparent conductive material energy Enough printing opacities, so in order to be reduced as far as light through second electrode 43 to be better protected from 41 light leaks that are open, it is preferable that in light Transmission direction on, second electrode 43 can be blocked by metal, such as second electrode 43 can be arranged on to the periphery of scan line The top of cabling 265.So it is not only able to reduction light and passes through second electrode 43, but also the face of outer peripheral areas 32 can be reduced Product, so as to reduce the area of liquid crystal display panel.In Fig. 4, it is arranged on as a specific example, second electrode 43 The top of the peripheral wiring 265 of scan line.Fig. 5 is along the cross-sectional view in A1-A2 directions in Fig. 4, as shown in figure 5, sweeping The peripheral wiring 265 for retouching line is located at the lower section of second electrode 43, is provided between the peripheral wiring 265 and second electrode 43 of scan line Insulating barrier 44, so as to be electrically insulated between second electrode 43 and the peripheral wiring 265 of scan line.
It should be noted that Fig. 3 and Fig. 4 is the setting for the cabling and second electrode 43 for schematically showing array base palte Situation, it is not limited thereto on the number of the cabling of array base palte and the number of second electrode 43.
Fig. 6 is a kind of top view of liquid crystal display panel of the embodiment of the present invention one.Alternatively, it is as shown in fig. 6, described outer Adjacent two side for enclosing region 32 is each provided with least one opening 41, and the opening 41 of adjacent two side links together, adjacent The first electrode of two sides links together(Not shown in figure), the second electrode of adjacent two side links together(In figure not Show).It should be noted that in figure 6, the opening 41 is arranged on the upside, left side and right side of outer peripheral areas 32, and phase The opening 41 of adjacent two sides links together, and this is only the specific example of the present invention.Optionally, of course, in downside Opening can be set, so as to form the opening of the ring-type around viewing area 31.
In addition, the opening 42 of adjacent two side links together, meanwhile, the first electrode of adjacent two side is connected to one Rise, the second electrode of adjacent two side links together, and to facilitate application control signal, and can reduce walking for control circuit The quantity of line.
Fig. 7 is the part section structural representation of another liquid crystal display panel of the embodiment of the present invention one.Alternatively, join See Fig. 7, color blocking 252 is set at the inner side of color membrane substrates 21, the opening 41.In addition, color blocking 252 is located at outer peripheral areas 32 again Black matrix 241 and first electrode 43 between, can make to be electrically insulated between black matrix 241 and first electrode 43, so as to so that Opening 41 can function well as the effect for preventing exterior static to be transmitted to viewing area 31.It should be noted that color blocking 252 can Think blue color blocking, or red color resistance or green color blocking, or red color resistance, green color blocking and blue color blocking Superposition, the present invention color blocking 252 is not construed as limiting.By setting color blocking 252 at opening 41, light leak at opening 41 can be made Luminous intensity weakens, so as to reduce influence of the light leak to the display effect of liquid crystal display panel.
Alternatively, it is respectively arranged with orientation referring to Fig. 2 and Fig. 7, the color membrane substrates 21 and the inner side of the array base palte 22 Film layer 28, the orientation film layer 28 extend to the outer peripheral areas 32 from the viewing area 31, and cover it is described opening 41, First electrode 42 and second electrode 43.If orientation film layer 28 extends to outer peripheral areas 32, and covers opening 41, first electrode 42 and second electrode 43, in the case where first electrode 42 and second electrode 43 are not powered on pressure, in the presence of orientation film layer 28, Well-regulated ordered state can be presented in liquid crystal molecule 231 between first electrode 42 and second electrode 43, be advantageous to In the case of one electrode 42 and second electrode 43 are alive, the rotation for the liquid crystal molecule 231 being pointed between two electrodes is controlled System, 41 light leaks that are open are prevented so as to be easier realization.The liquid crystal display panel that the embodiment of the present invention one provides, by color film The black matrix of the outer peripheral areas of substrate sets opening, exterior static can be prevented to be transmitted to viewing area, outer so as to avoid Influence of portion's electrostatic to the display effect of liquid crystal display panel;It is corresponding with opening, first electrode is set on the inside of color membrane substrates And second electrode is set to control first electrode and second to form the liquid crystal drive pattern of TN types on the inside of array base palte The liquid crystal molecule of the electric field region that electrode is formed so as to prevent the light leak that is open, and can improve liquid so that its is light tight The display effect of LCD panel.
The embodiment of the present invention two also provides a kind of liquid crystal display panel.Fig. 8 is a kind of liquid crystal of the embodiment of the present invention two Show the part section structural representation of panel.Referring to Fig. 8, Fig. 2 and Fig. 7 of the embodiment of the present invention and embodiment one are on opening 41 Facilities be identical, unlike, the first electrode 42 and second electrode 43 be located on the inside of array base palte 22.It is optional Ground, first electrode 42 are plane-shape electrode, and the second electrode 43 is multiple strip shaped electric poles, and the second electrode 43 is positioned at the first electricity The top of pole 42, and insulating barrier 45 is provided between second electrode 43 and first electrode 42.Insulating barrier 45 causes first electrode 42 Remained electrically isolated between second electrode 43.
It should be noted that showing schematically that black matrix 241 has an opening 41 in Fig. 8, and opened with one Two strip second electrodes 43 that mouth 41 is correspondingly arranged, but this is only a kind of structure of the liquid crystal display panel, on black The number of the bar number for the opening 41 that matrix 241 has and the strip second electrode 43 being correspondingly arranged with opening 41, herein not Limit.
Referring to Fig. 8, because first electrode 42 and second electrode 43 are respectively positioned on the inner side of array base palte 22, and second electrode 43 Above first electrode 42, therefore, first electrode 42 and second electrode 43 form FFS types(Fringe Field Switching, Fringe field switching type)Liquid crystal drive pattern, the liquid crystal drive pattern of this type is liquid crystal circle to solve large scale, fine definition The wide viewing angle drive pattern that tabletop display and LCD TV are applied and developed.In the embodiment of the present invention two, pass through FFS types Liquid crystal drive pattern can control the liquid crystal for the electric field region that first electrode 42 and second electrode 43 formed in the energized state The rotation of molecule 231.
As described in embodiment one, liquid crystal display panel according in the case where being not powered on state in which can be divided into it is normally-black Pattern and normal white mode.In order to preferably reduce the black state of liquid crystal display panel, to prevent light leak at opening 41, the liquid of FFS types The liquid crystal display panel generally use normally black mode of brilliant drive pattern.Under normally black mode, it is preferable that opening 41 is positioned at two the The middle part of two electrode 43, to prevent the voltage of second electrode 43 from being influenceed by other voltages so that first electrode 42 and second Pressure difference between electrode 43 is not 0.Even if influenceed to cause between first electrode 42 and second electrode 43 by other voltages Voltage difference is not 0, but the transmitance of the light positioned at two middle parts of second electrode 43 be it is minimum, so can be preferably Prevent light leak at opening 41.
Preferably, the inner side of the array base palte 22 has public electrode 27, the first electrode 42 and public electrode 27 Current potential it is identical.In embodiment two, because first electrode 42 and second electrode 43 form the liquid crystal drive pattern of FFS types, in order to Make the liquid crystal molecule for the electric field region that first electrode 42 and second electrode 43 formed light tight while and can enough avoids the first electricity The influence that the current potential of pole 42 rotates to the liquid crystal molecule of viewing area 31, the current potential of first electrode 42 can be arranged to it is public The current potential of electrode 27 is identical, i.e., the current potential of first electrode 27 is the current potential of common electric voltage, meanwhile, also make to carry out first electrode 42 Applying control signal becomes more convenient.Further, can be by the first electricity in the case of less in the space of outer peripheral areas 32 Pole 42 is arranged to the peripheral wiring of public electrode 27;, can be by public electrode in the case of larger in the space of outer peripheral areas 32 27 extend to outer peripheral areas 32 and using the part as first electrode 42.By the way that first electrode 42 is arranged into public electrode 27 Peripheral wiring or public electrode 27 extend to the part of outer peripheral areas 32, on the one hand, during first electrode 42 is made, Cost can be reduced with simplification of flowsheet;On the other hand, the size of liquid crystal display panel can be reduced, and be applied to frame Less product.
In addition, the current potential of first electrode 42 can not also be identical with the current potential of public electrode 27, and can be as needed Set.However, referring to Fig. 8, first electrode 42 can be formed simultaneously with public electrode 27, it is preferable that first electrode 42 can To use identical material with public electrode 27, so as to which in manufacturing process, cost can be reduced with simplification of flowsheet.Need Illustrate, in embodiment two, the current potential of first electrode 42 is not construed as limiting.
For the current potential of second electrode 43, can be set as needed, make first electrode 42 and second electrode 43 it Between the electric field controls that are formed be located at the electric field region liquid crystal molecule rotation, ensure in liquid crystal display panel work Shi Shigai areas The liquid crystal molecule in domain is light tight, to prevent light leak at opening 41.
Fig. 9 is a kind of trace-diagram of array base palte of the embodiment of the present invention two, as shown in figure 9, array base in embodiment two The cabling of plate is similar to the cabling of the array base palte in embodiment one, will not be repeated here.In the outer peripheral areas 32 of array base palte First electrode 42 and the second electrode being positioned above 43 are provided with, and is set between first electrode 42 and second electrode 43 There is insulating barrier(It is not shown in fig.9), so as to be remained electrically isolated between first electrode 42 and second electrode 43.Figure 10 is in Fig. 9 Along the cross-sectional view in B1-B2 directions, as shown in Figure 10, insulating barrier is provided between first electrode 42 and second electrode 43 45。
It should be noted that Figure 10 is the cabling and the electricity of first electrode 42 and second for schematically showing array base palte The facilities of pole 43, it is not limited thereto on the number of the cabling of array base palte and the number of second electrode 43.
Alternatively, adjacent two side of the outer peripheral areas is each provided with least one opening, the opening of adjacent two side Link together, the first electrode of adjacent two side links together, and the second electrode of adjacent two side links together.In reality Apply in example two, the mode of this set opening, first electrode and second electrode is similar to the associated description of embodiment one, herein Repeat no more.
Alternatively, referring to Fig. 8, color blocking 252 is provided with the inner side of color membrane substrates 22, the opening 41.In embodiment It is similar to the associated description of embodiment one on setting color blocking 252 at opening 41 in two, it will not be repeated here.
Alternatively, it is respectively arranged with orientation film layer referring to Fig. 8, the color membrane substrates 21 and the inner side of the array base palte 22 28, the orientation film layer 28 extends to the outer peripheral areas 32 from the viewing area 31, and covers the opening 41, first Electrode 42 and second electrode 43.In embodiment two, method to set up and relevant effect and embodiment on orientation film layer 28 One associated description is similar, will not be repeated here.
The liquid crystal display panel that the embodiment of the present invention two provides, set by the black matrix of the outer peripheral areas to color membrane substrates Opening, can prevent exterior static to be transmitted to viewing area, so as to avoid display of the exterior static to liquid crystal display panel The influence of effect;It is corresponding with opening, first electrode and the second electricity above first electrode are set on the inside of array base palte Pole can control the liquid crystal for the electric field region that first electrode and second electrode formed to form the liquid crystal drive pattern of FFS types Molecule so as to prevent the light leak that is open, and can improve the display effect of liquid crystal display panel so that its is light tight.
The embodiment of the present invention three also provides a kind of liquid crystal display panel.Figure 11 is a kind of liquid crystal of the embodiment of the present invention three Show the part section structural representation of panel.Referring to Figure 11, the embodiment of the present invention three is with embodiment one and embodiment two on opening The facilities of mouth 41 are identicals, and unlike embodiment one, the first electrode 42 and second electrode 43 are located at array The inner side of substrate 22;Unlike embodiment two, the first electrode 42 and second electrode 43 are strip shaped electric poles, and described First electrode 42 and second electrode 43 are be arranged in parallel, and gap is provided between the first electrode 42 and second electrode 43 and electricity is exhausted Edge(Realized and be electrically insulated by insulating barrier 46 in fig. 11).
It should be noted that showing schematically that black matrix 241 has an opening 41 in Figure 11, and opened with one The first electrodes 42 and a second electrode 43 that mouth 41 is correspondingly arranged, but this is only one kind of the liquid crystal display panel Structure, the bar number for the opening 41 having on black matrix 241 and the electricity of first electrode 42 and second being correspondingly arranged with opening 41 The number of pole 43, is not limited herein.
In embodiment three, referring to Figure 11, because first electrode 42 and second electrode 43 are arranged in array base palte 22 Side, and first electrode 42 and second electrode 43 be arranged in parallel, therefore, first electrode 42 and second electrode 43 form IPS types(In- Plane Switching, plane conversion type)Liquid crystal drive pattern, the liquid crystal drive pattern of this type is also liquid crystal circle for solution The wide viewing angle drive pattern that certainly large scale, fine definition tabletop display and LCD TV are applied and developed.Implement in the present invention In example three, 43 shapes of first electrode 42 and second electrode can be controlled in the energized state by the liquid crystal drive pattern of IPS types Into electric field region liquid crystal molecule 231 rotation.
As described in embodiment one and embodiment two, liquid crystal display panel can according to the state in which in the case where being not powered on To be divided into normally black mode and normal white mode.In order to preferably reduce the black state of liquid crystal display panel, to prevent light leak at opening 41, The liquid crystal display panel generally use normally black mode of the liquid crystal drive pattern of IPS types.Under normally black mode, it is preferable that opening 41 Positioned at the middle part of adjacent first electrode 42 and second electrode 43, to prevent the voltage of first electrode 42 and second electrode 43 Influenceed by other voltages so that the pressure difference between first electrode 42 and second electrode 43 is not 0.Even if by other voltages Influence make it that voltage difference between first electrode 42 and second electrode 43 is not 0, but positioned at adjacent first electrode 42 and the The transmitance of the light of the middle part of two electrodes 43 is minimum, can so be better protected from light leak at opening 41.
Preferably, the inner side of the array base palte 22 has public electrode 27, the first electrode 42 and public electrode 27 Current potential it is identical.In embodiment three, because first electrode 42 and second electrode 43 form the liquid crystal drive pattern of IPS types, in order to Make the liquid crystal molecule for the electric field region that first electrode 42 and second electrode 43 formed light tight while and can enough avoids the first electricity The influence that the current potential of pole 42 rotates to the liquid crystal molecule of viewing area 31, the current potential of first electrode 42 can be arranged to it is public The current potential of electrode 27 is identical, i.e., the current potential of first electrode 27 is the current potential of common electric voltage, meanwhile, also make to carry out first electrode 42 Applying control signal becomes more convenient.
In addition, the current potential of first electrode 42 can not also be identical with the current potential of public electrode 27, and can be as needed Set.It should be noted that in embodiment three, the current potential of first electrode 42 is not construed as limiting.
For the current potential of second electrode 43, can be set as needed, make first electrode 42 and second electrode 43 it Between the electric field controls that are formed be located at the electric field region liquid crystal molecule rotation, ensure in liquid crystal display panel work Shi Shigai areas The liquid crystal molecule in domain is light tight, to prevent light leak at opening 41.
Alternatively, the opening 41 and the gap between the first electrode 42 and second electrode 43 weight on printing opacity direction It is folded., therefore, can by the electric field that two electrodes of the gap location between first electrode 42 and second electrode 43 are formed is weaker To control the rotation situation in the gap location liquid crystal molecule 231 better.If the position and the gap that set opening 41 exist It is overlapping on printing opacity direction, then by controlling the rotation situation of the gap location liquid crystal molecule 231 better, can preferably prevent Only be open 41 light leaks.
Preferably, barrier bed 47 is additionally provided with referring to Figure 11, the inner side of array base palte 22, the barrier bed 47 is at least set Put the adjacent gap in the first electrode 42 and the second electrode 43.Due to first electrode 42 and the phase of second electrode 43 Inevitably there is cabling bridging etc. and set in adjacent gap location, the setting can cause the edge of electrode step occur, and There may be light leak at step, therefore, in order to avoid producing light leak at the step, barrier bed 47 need to be set, with to this Light blocking effect is played at rank.Further, the barrier bed 47 is non-crystalline silicon light blocking layer or metal light blocking layer.Preferably, it is described Barrier bed 47 is non-crystalline silicon light blocking layer.Because metal light blocking layer is capable of reflecting light line, when barrier bed 47 is metal light blocking layer, from The light shone thereon above metal light blocking layer can be reflected, for example, be irradiated to 41 inwalls of opening light reflected after shine gold On category light blocking layer and reflected, can so cause 41 light leaks that are open, but absorption of the non-crystalline silicon light blocking layer to light is preferable, if Barrier bed 47 is non-crystalline silicon light blocking layer, then can largely weaken or even avoid the opening 41 caused by reflection from leaking Light.
Figure 12 is a kind of trace-diagram of array base palte of the embodiment of the present invention three, as shown in figure 12, array in embodiment three The cabling of substrate is similar to the cabling of the array base palte in embodiment one, will not be repeated here.In the outer peripheral areas of array base palte 32 are provided with the first electrode 42 and strip second electrode 43 of strip, wherein, first electrode 42 is and close close to viewing area 31 The peripheral wiring 265 of scan line in outer peripheral areas 32, second electrode 43 is away from viewing area 31.Positioned at first electrode 42 There is insulating barrier 46 between second electrode 43, so as to be electrically insulated between first electrode 42 and second electrode 43.
It should be noted that Figure 12 is the cabling and the electricity of first electrode 42 and second for schematically showing array base palte The facilities of pole 43, number and the number of first electrode 42 and second electrode 43 on the cabling of array base palte are herein not It is construed as limiting.
The current potential of first electrode 42 and public electrode 27 can be with identical, so as to so that the current potential of first electrode 42 is low electricity Position.Further, because the peripheral wiring 265 of scan line is chronically at low potential, therefore, in embodiment three, can also incite somebody to action First electrode 42 is arranged to the peripheral wiring 265 of scan line, to realize the current potential of first electrode 42 as low potential.So, making During making first electrode 42, cost can be reduced with simplification of flowsheet.
Alternatively, adjacent two side of the outer peripheral areas is each provided with least one opening, the opening of adjacent two side Link together, the first electrode of adjacent two side links together, and the second electrode of adjacent two side links together.In reality Apply in example three, the mode of this set opening, first electrode and second electrode, with embodiment one and the associated description of embodiment two It is similar, it will not be repeated here.
Alternatively, referring to Figure 11, color blocking 252 is provided with the inner side of color membrane substrates 22, the opening 41.In embodiment It is similar to the associated description of embodiment one and embodiment two on setting color blocking 252 at opening 41 in three, it is no longer superfluous herein State.
Alternatively, it is respectively arranged with orientation film layer referring to Figure 11, the color membrane substrates 21 and the inner side of the array base palte 22 28, the orientation film layer 28 extends to the outer peripheral areas 32 from the viewing area 31, and covers the opening 41, first Electrode 42 and second electrode 43.In embodiment three, method to set up and dependent interaction and embodiment on orientation film layer 28 One is similar with the associated description of embodiment two, will not be repeated here.
The liquid crystal display panel that the embodiment of the present invention three provides, set by the black matrix of the outer peripheral areas to color membrane substrates Opening, can prevent exterior static to be transmitted to viewing area, so as to avoid display of the exterior static to liquid crystal display panel The influence of effect;It is corresponding with opening, first electrode and be arranged in parallel with first electrode second are set on the inside of array base palte Electrode can control the liquid for the electric field region that first electrode and second electrode formed to form the liquid crystal drive pattern of IPS types Brilliant molecule so as to prevent the light leak that is open, and can improve the display effect of liquid crystal display panel so that its is light tight.
The embodiment of the present invention four provides a kind of color membrane substrates.Figure 13 is a kind of liquid crystal display panel of the embodiment of the present invention four Part section structural representation.Referring to Figure 13, the color membrane substrates 21 divide for viewing area 31 and around the viewing area 31 outer peripheral areas 32(Dotted line in figure is used to split viewing area 31 and outer peripheral areas 32), the external zones of the color membrane substrates Domain 32 is provided with black matrix 241, and the black matrix 241 has at least one opening 41, and the opening 41 is arranged on outer peripheral areas A 32 at least side.Wherein, the opening 41 divides the black matrix 241 of the side of the outer peripheral areas 32 for close to display Region part 241a and remote viewing area part 241b.
It should be noted that show schematically that black matrix 241 has an opening 41 in Figure 13, but this is only institute A kind of structure of color membrane substrates 21 is stated, the bar number for the opening 41 having on black matrix 241, is not limited herein.
In addition, in fig. 13, color membrane substrates 21 are also included positioned at the color blocking 251 of viewing area 31 and positioned at the region Black matrix 242, these structures are all parts essential when color membrane substrates 21 are normally shown.
Specifically, referring to Figure 13, the outer peripheral areas 32 of the inner side of color membrane substrates 21, which is provided with black matrix 241, can prevent periphery The light leak of region 32, however, outside electrostatic extremely can be located at viewing area by the conduction of black matrix 241 positioned at outer peripheral areas 32 again In the black matrix 242 in domain 31, so as to influence the display effect of corresponding liquid crystal display panel.Further, in order to prevent outside The influence of electrostatic, the black matrix 241 of outer peripheral areas 32 is provided with opening 41, and the opening 41 makes the black square of outer peripheral areas 32 241 points of battle array is to be provided with out close to viewing area part 241a and away from viewing area part 241b, that is, outer peripheral areas 32 The side of mouth 41, two parts that black matrix 241 is changed into mutually completely cutting off in the side.If exterior static enters away from viewing area portion Divide 241b, then because being isolation away from viewing area part 241b and close to viewing area part 241a, electrostatic can not just pass Lead onto the black matrix 242 of viewing area 31, would not also occur because of the electric field exception caused by electrostatic in viewing area 31, from And the normal display effect of viewing area 31 can be ensured.
Alternatively, it is provided with color blocking 252 at the opening 41.Although opening 41 can prevent the electrostatic of outside from passing through black square Battle array 241 is transmitted to viewing area 31, but be open 41 presence, it is also possible to light leak is produced, so as to influence liquid crystal display panel Display effect.It by setting color blocking 252 at opening 41, can weaken the luminous intensity of light leak at opening 41, so as to Reduce influence of the light leak to the display effect of liquid crystal display panel.It should be noted that color blocking 252 can be blue color blocking, Can be red color resistance or green color blocking, or the superposition of red color resistance, green color blocking and blue color blocking, the present invention are right Color blocking 252 is not construed as limiting.
Above-mentioned color membrane substrates 21 can apply the liquid crystal display in the liquid crystal drive pattern of TN types, FFS types and IPS types etc. In panel.
The color membrane substrates that the embodiment of the present invention four provides, set and opened by the black matrix of the outer peripheral areas to color membrane substrates Mouthful, exterior static can be prevented to be transmitted to viewing area and to the influence of the region electric field, thereby may be ensured that viewing area Display effect.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes, Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.

Claims (16)

  1. A kind of 1. liquid crystal display panel, it is characterised in that including:Color membrane substrates, the array being oppositely arranged with the color membrane substrates Substrate, the liquid crystal layer between the color membrane substrates and the array base palte, the liquid crystal display panel are divided into viewing area With the outer peripheral areas around the viewing area;
    Outer peripheral areas on the inside of the color membrane substrates is provided with black matrix, and the black matrix has at least one opening, described to open Mouth is arranged on an at least side for outer peripheral areas, and the black matrix of the side of the outer peripheral areas is divided into close to aobvious by the opening Show region part and away from viewing area part, the close viewing area part and the remote viewing area part are mutual Two parts of isolation;
    Corresponding to the opening, first electrode and second electrode are provided with the inside of the liquid crystal display panel.
  2. 2. liquid crystal display panel according to claim 1, it is characterised in that the first electrode is located in color membrane substrates Side, the second electrode are located on the inside of array base palte.
  3. 3. liquid crystal display panel according to claim 2, it is characterised in that be provided with common electrical on the inside of the color membrane substrates Pole, the first electrode are identical with the current potential of public electrode.
  4. 4. liquid crystal display panel according to claim 3, it is characterised in that the first electrode and the public electrode connect It is connected together.
  5. 5. liquid crystal display panel according to claim 1, it is characterised in that the first electrode and second electrode are located at battle array On the inside of row substrate.
  6. 6. liquid crystal display panel according to claim 5, it is characterised in that first electrode is plane-shape electrode, described second Electrode is multiple strip shaped electric poles, and the second electrode is located above first electrode, and is set between second electrode and first electrode It is equipped with insulating barrier.
  7. 7. liquid crystal display panel according to claim 5, it is characterised in that the first electrode and second electrode are bar Shape electrode, and the first electrode and second electrode be arranged in parallel, between being provided between the first electrode and second electrode Gap and electric insulation.
  8. 8. liquid crystal display panel according to claim 7, it is characterised in that the opening and the first electrode and second Gap between electrode is overlapping on printing opacity direction.
  9. 9. liquid crystal display panel according to claim 5, it is characterised in that the inner side of the array base palte has common electrical Pole, the first electrode are identical with the current potential of public electrode.
  10. 10. liquid crystal display panel according to claim 1, it is characterised in that adjacent two side of the outer peripheral areas is each At least one opening is provided with, the opening of adjacent two side links together, and the first electrode of adjacent two side links together, The second electrode of adjacent two side links together.
  11. 11. liquid crystal display panel according to claim 1, it is characterised in that in the inner side of color membrane substrates, the opening It is provided with color blocking.
  12. 12. liquid crystal display panel according to claim 7, it is characterised in that be additionally provided with screening on the inside of the array base palte Barrier, the barrier bed are arranged at the adjacent gap of the first electrode and the second electrode.
  13. 13. liquid crystal display panel according to claim 12, it is characterised in that the barrier bed be non-crystalline silicon light blocking layer or Metal light blocking layer.
  14. 14. liquid crystal display panel according to claim 1, it is characterised in that the color membrane substrates and the array base palte Inner side is respectively arranged with orientation film layer, and the orientation film layer extends to the outer peripheral areas from the viewing area, and covers Opening, first electrode and the second electrode.
  15. 15. a kind of color membrane substrates, it is characterised in that the color membrane substrates are divided into viewing area and around the outer of the viewing area Region is enclosed, the outer peripheral areas of the color membrane substrates is provided with black matrix, and the black matrix has at least one opening, the opening An at least side for outer peripheral areas is arranged on, the black matrix of the side of the outer peripheral areas is divided into close to display by the opening The part in region and the part away from viewing area, the part of the close viewing area and the remote viewing area for phase The two parts mutually completely cut off.
  16. 16. color membrane substrates according to claim 15, it is characterised in that the opening is provided with color blocking.
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