CN109270742A - Array substrate and liquid crystal display panel - Google Patents
Array substrate and liquid crystal display panel Download PDFInfo
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- CN109270742A CN109270742A CN201811344319.0A CN201811344319A CN109270742A CN 109270742 A CN109270742 A CN 109270742A CN 201811344319 A CN201811344319 A CN 201811344319A CN 109270742 A CN109270742 A CN 109270742A
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- array substrate
- liquid crystal
- indium tin
- tin oxide
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- 239000000758 substrate Substances 0.000 title claims abstract description 85
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 77
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000004065 semiconductor Substances 0.000 claims abstract description 49
- 238000009413 insulation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001795 light effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 241000397426 Centroberyx lineatus Species 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of array substrate and liquid crystal display panel, indium tin oxide semiconductor layer including insulating layer and setting on the insulating layer, it is contacted on the upside of indium tin oxide semiconductor layer with liquid crystal, array substrate further includes multiple sub-pixel units below insulating layer, indium tin oxide semiconductor layer includes multiple numbers first area identical with the number of sub-pixel unit, wherein, first area size dimension is identical as sub-pixel unit, and first area is arranged in a one-to-one correspondence with sub-pixel unit, the first groove is equipped at the middle part of at least one first area, first groove is crosswise.The present invention can reduce the dark line in each sub-pixel, improve light penetration.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of array substrate and liquid crystal display panels.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous excellent
Point, is widely used, such as LCD TV, mobile phone, personal digital assistant, digital camera, computer screen or pen
Remember this computer screen etc..It for the TFT-LCD liquid crystal display panel on current mainstream market, can be divided into three categories, be distortion respectively
Nematic/super twisted nematic (TN/STN) type, plane conversion (IPS) type and vertical orientation (VA) type.In the system of liquid crystal display panel
During work, carrying out oriented film orientation is an important process, realizes liquid crystal molecule according to specific side by allocating process
It is arranged to angle.Traditional allocating process using friction (Rubbing) method, can only the orientation in a horizontal direction, by TN
Type, IPS type liquid crystal display panel be widely used.But the liquid crystal display panel of VA type needs to expand visual angle, and sub-pixel is divided into multiple areas
Domain, the alignment direction in each region is different, therefore cannot use rubbing manipulation.And ultraviolet induction multiregional vertical align
(ultraviolet induced multi-domain vertical alignment, UV2It A) is the one of VA type liquid crystal display panel
Kind light alignment technique.As shown in Figure 1, UV2A technology is slanted at an angle using ultraviolet light onto alignment film (PI) 10,
The surface of alignment film 10 forms the alignment microstructure 20 of certain tilt angle, to make the first liquid crystal molecule 30 in 10 table of alignment film
There is a pretilt angle in face.Through UV2A is with the alignment microstructure 20 and the inclined angle of ultraviolet light that backward, 10 surface of alignment film is formed
Degree is consistent, and orientation precision is higher.UV2A technology can realize all liquid crystal molecules to the inclined shape of design direction by alignment film
State, so liquid crystal molecule is toppled over to same direction simultaneously when being loaded into electric field, therefore, response speed increases to original 2 times, reaches
To 4ms or less.Due to can also be divided into multiple regions without using protrusion and slit gap, aperture opening ratio than utilizing protrusion point originally
The panel for being cut into multiple regions improves 20% or more.Brightness of backlight very little can be obtained and original same brightness, reduction consumption
Electricity and reduction backlight quantity of light source are beneficial to energy conservation and save cost, and High precision and 3D display device etc. are also easy to realize.
In addition, the light of backlight is in protrusion and slit gap partial dispersion in the past, and light leakage in front, thus it is blacking up；And UV2A technology is prominent
Rise and narrow slotted section will not light leakage, therefore static contrast reaches 5000:1, is original 1.6 times.It may be omitted with designing
The technique of protrusion and slit gap improves production capacity.
With the development of LCD technology, high-res liquid crystal display panel becomes current hot spot product, but high parsing
Spend liquid crystal display panel aperture opening ratio it is lower so that transmitted light account for light intensity of incident light percentage amounts (T%) and light penetration it is lower.
In view of the viewing angle problem of VA type liquid crystal display panel, existing UV2A dot structure is generally by the sub- picture of red in each pixel unit
Element, green sub-pixels and blue subpixels are divided into the orientation subregion of four same sizes, and phase in same sub-pixel
Alignment direction between adjacent two orientation subregions is mutually perpendicular to.
However use such UV2In the liquid crystal display panel of A technology orientation, dot structure can be in four orientations of each sub-pixel
The middle of intersection, i.e. sub-pixel between subregion forms the dark line 40 of substantially crosswise as shown in Figure 2, influences light
Transmitance.
Summary of the invention
The present invention provides a kind of array substrate and liquid crystal display panel, can reduce the dark line in each sub-pixel, mention
High light line transmitance.
In a first aspect, the present invention provides a kind of array substrate, the indium tin oxidation including insulating layer and setting on the insulating layer
Object semiconductor layer, indium tin oxide semiconductor layer upside are contacted with liquid crystal, and array substrate further includes multiple is located at below insulating layer
Sub-pixel unit, indium tin oxide semiconductor layer includes multiple numbers first area identical with the number of sub-pixel unit,
Wherein, first area size dimension is identical as sub-pixel unit, and first area is arranged in a one-to-one correspondence with sub-pixel unit,
The middle part of at least one first area is equipped with the first groove, and the first groove is crosswise in the normal direction along array substrate.
Second aspect, the present invention provide a kind of liquid crystal display panel, including array substrate as described above and array substrate
The opposite side substrate being oppositely arranged, and the layer of liquid crystal molecule being folded between array substrate and opposite side substrate.
Array substrate and liquid crystal display panel of the invention, array substrate including insulating layer and are arranged on the insulating layer
Indium tin oxide semiconductor layer, indium tin oxide semiconductor layer upside are contacted with liquid crystal, and array substrate further includes multiple is located at absolutely
Sub-pixel unit below edge layer, indium tin oxide semiconductor layer include multiple numbers identical with the number of sub-pixel unit
One region, wherein first area size dimension is identical as sub-pixel unit, and first area and sub-pixel unit correspond
Setting is equipped with the first groove at the middle part of at least one first area, and the first groove is in the normal direction along array substrate
Crosswise.Due to using UV2The liquid crystal display panel of A technology is after liquid crystal display panel is to box and when showing, pixel is in white state
When will appear the dark line of cross, i.e., the liquid crystal molecule above the first area due to topple over can with first area in the middle part of it is right
The position answered generates the dark line of cross, the first groove is arranged by portion in the first region, the first groove is along array substrate
It is crosswise in normal direction, i.e., in lqiuid crystal molecule tipping the first groove of corresponding position setting toppled over generation, generates
The liquid crystal molecule toppled over is contacted with first groove, understands the influence due to boundary effect, and along inner surface, that is, inner wall of groove
The angle toppled over inside is formed, to mitigate dark line.
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 make simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is UV in the prior art2The schematic diagram of A alignment method；
Fig. 2 is in the prior art for the dark line schematic diagram of generation inside sub-pixel unit in the prior art；
Fig. 3 is in the array substrate that provides of the embodiment of the present invention one, the schematic top plan view of part corresponding with first area；
Fig. 4 is in the array substrate that provides of the embodiment of the present invention one, the cross-sectional view of part corresponding with first area；
Fig. 5 is the schematic top plan view of another structure for the array substrate that the embodiment of the present invention one provides；
Fig. 6 is in array substrate provided by Embodiment 2 of the present invention, the cross-sectional view of part corresponding with first area；
Fig. 7 is in the array substrate that provides of the embodiment of the present invention three, the cross-sectional view of part corresponding with first area；
Fig. 8 is the structural schematic diagram for the liquid crystal display panel that the embodiment of the present invention four provides.
Description of symbols:
1-array substrate；
2-insulating layers；
3-indium tin oxide semiconductor layers；
4-liquid crystal；
5-sub-pixel units；
6-first areas；
7-opposite side substrates；
8-layer of liquid crystal molecule；
9-the first groove；
10-alignment films；
20-alignment microstructures；
30-the first liquid crystal molecule；
40-dark lines；
41-liquid crystal molecules；
92-the second groove；
93-third grooves；
95-end dark lines.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of description of the invention, it is to be understood that the orientation or position of the instructions such as term " side wall ", " top "
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
In the description of the present invention, the meaning of " plurality " is multiple, such as two, four etc., unless otherwise clearly specific
Restriction.
In the present invention unless specifically defined or limited otherwise, fisrt feature may include in the "upper" of second feature
First and second features directly contact, and also may include that the first and second features are not direct contacts but pass through between them
Other characterisation contact.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connection " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, or is integral；Can be mechanical connection, be also possible to electrical connection or
It can communicate with each other；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With the development of larger display panels, more preferably visual performance is also higher and higher, and UV2A be at present most it is popular it
One display technology has wider array of visual angle and faster answer speed.
UV2The key technology of A is that UV light effectively and accurately can do different directions orientation for pixel, the present invention
UV is proposed based on this2The material and graphic designs that it is special that A arranges in pairs or groups, can be effectively reduced the width of pixel dark line, be promoted
Transmitance not only effectively reduces cost, and final products specification can also be promoted effectively.
Embodiment one
Fig. 3 is in the array substrate that provides of the embodiment of the present invention one, the schematic top plan view of part corresponding with first area.
Fig. 4 is in the array substrate that provides of the embodiment of the present invention one, the cross-sectional view of part corresponding with first area.For ease of description
How the generation of dark line to be reduced, and Fig. 3, Fig. 4 are illustrated only in array substrate, are corresponding with two first area 6 (sub-pixel unit)
Part schematic diagram.
As shown in Figure 3,4, the array substrate 1 of the present embodiment, including insulating layer 2 and the indium tin oxygen being arranged on insulating layer 2
Compound semiconductor layer 3,3 upside of indium tin oxide semiconductor layer are contacted with liquid crystal 4, and array substrate 1 further includes multiple positioned at insulation
The sub-pixel unit 5 of 2 lower section of layer, indium tin oxide semiconductor layer 3 include that multiple numbers are identical with the number of sub-pixel unit 5
First area 6, wherein the size dimension of first area 6 is identical as sub-pixel unit 5, and first area 6 and sub-pixel unit
5 are arranged in a one-to-one correspondence, and are equipped with the first groove 9 at the middle part of at least one first area 6, the first groove 9 is along array substrate 1
It is crosswise when being observed in normal direction.The size dimension in a region 6 here is identical as sub-pixel unit 5 to specifically refer to
Shape, the size in one region 6 are identical as sub-pixel unit 5.In addition, the normal direction of array substrate 1 refers to perpendicular to array base
The direction of plate 1, and observe in the normal direction of array substrate 1, in particular to overlook or look up array substrate 1 and observed.
In array substrate 1, in order to protect array substrate, and the face to form pixel electrode is made to become flat and form insulation
Layer 2.Due to using UV2A technology after liquid crystal display panel is to box and when showing, pixel will appear cross in white state
Dark line, i.e., the liquid crystal molecule above first area 6 due to topple over can be generated in position corresponding with the middle part of first area 6 it is dark
Line.In the present embodiment, since first area 6 and sub-pixel unit 5 are arranged in a one-to-one correspondence, thus at the middle part of first area 6
It is corresponding with the position of dark line is generated, the first groove 9 is set in the middle part of this of first area 6, and the first groove 9 is along array substrate
Normal direction on be crosswise, so that it may in position corresponding with the liquid crystal molecule toppled over is generated, the first groove 9 is set.Such as
Shown in Fig. 4, which is recessed from the table of indium tin oxide semiconductor layer 3 away from the direction of liquid crystal 4, but does not pass through
Logical indium tin oxide semiconductor layer 3.Since liquid crystal molecule 41 is contacted with first groove 9, the influence due to boundary effect is understood, and
The angle toppled over inside is formed along the inner surface of the first groove 9, changes the orientation of liquid crystal molecule at this, to mitigate dark
Line.In addition, insulating layer 2 here can be organic insulator and be also possible to inorganic insulation layer.
Optionally, the dielectric constant of indium tin oxide semiconductor layer 3 is greater than the dielectric constant of liquid crystal 4.It is studied through inventor
It was found that when the dielectric that the dielectric constant of the material of the indium tin oxide semiconductor layer 3 directly contacted with liquid crystal 4 is greater than liquid crystal 4 is normal
When number, dark line graph thinning can be made to a certain degree.
In addition, it is optional, as shown in figure 4, the cross section along depth of groove direction of the first groove 9 is triangular in shape.Work as cross
When section is in up-side down triangle as shown in Figure 4, since the side wall of the first groove 9 with respect to the horizontal plane forms an acute angle, so that
The substantially vertical side wall setting of liquid crystal molecule, the angle of an acute angle is toppled over relative to vertical direction, at this time to groove inside
Dark line subtracts light effect preferably, more preferably.In addition to this, cross section may be other shapes, such as rectangular, swallow-tail form,
Semicircle etc., at this time since boundary effect is more obvious, lqiuid crystal molecule tipping degree is larger, dark line subtract light effect be slightly inferior to it is transversal
The case where face is triangle.The example enumerated herein is only to illustrate, and the invention is not limited thereto, can also be it is other it is any can be with
Realize the cross-sectional shape of lqiuid crystal molecule tipping.
Also, since the application directly opens up groove, thus the width of the groove on 3 surface of indium tin oxide semiconductor layer
Degree cannot be too big, to influence the normal display of sub-pixel unit, reduces the display effect of liquid crystal display panel instead.Generally
The recess width of first groove 9 is less than or equal to the 1/10 of the width of first area 6.The range that can be 3~15 μm, i.e., when recessed
When groove width is less than 3 μm, dark line subtract it is light ineffective, but recess width be greater than 15 μm when, influence whether sub-pixel unit just
Often display.Meanwhile first groove 9 depth can in the range of 10~100 μm, with guarantee dark line to subtract light effect preferable.
In addition, in the dark line schematic diagram of Fig. 2, it can be seen that dark line substantially cross, but in its criss-cross end
Be also formed with end dark line 95, that is, entire dark line substantially forms " Swastika " shape.Fig. 5 is the battle array that the embodiment of the present invention one provides
The schematic top plan view of another structure of column substrate, as shown in figure 5, as optional embodiment, it is also an option that along institute
The peripheral portion for stating first area 6 is equipped with the third groove 93 that is connected to the first groove 9 of the cross, third groove 93 and the
The connection of one groove is got up, is added together, and Cheng " Swastika is overlooked " shape.
In the present embodiment, array substrate includes the indium tin oxide semiconductor layer of insulating layer and setting on the insulating layer,
It is contacted on the upside of indium tin oxide semiconductor layer with liquid crystal, array substrate further includes multiple sub-pixel lists below insulating layer
Member, indium tin oxide semiconductor layer include multiple numbers first area identical with the number of sub-pixel unit, wherein the firstth area
Domain size dimension is identical as sub-pixel unit, and first area is arranged in a one-to-one correspondence with sub-pixel unit, at least one
The middle part in one region is equipped with the first groove, and the first groove is crosswise in the normal direction along array substrate.Due to using
UV2A technology after liquid crystal display panel is to box and when showing, pixel will appear the dark line of cross in white state, that is, exist
Liquid crystal molecule above the first area due to topple over can in the dark line for generating cross with position corresponding in the middle part of first area,
The first groove is set by portion in the first region, the first groove is crosswise in the normal direction along array substrate, that is, is existed
The first groove is arranged in position corresponding with the lqiuid crystal molecule tipping toppled over is generated, and it is first recessed with this to generate the liquid crystal molecule toppled over
Slot contact can form the angle toppled over inside along the inner surface of groove due to the influence of boundary effect, to mitigate dark
Line.
Embodiment two
On the basis of example 1, the present embodiment carries out the set-up mode of the first groove in previous embodiment one
It improves.Rest part is the same as example 1, and details are not described herein again.
Fig. 6 is in array substrate provided by Embodiment 2 of the present invention, the cross-sectional view of part corresponding with first area.Such as figure
Shown in 6, the first groove 9 runs through the indium tin oxide semiconductor layer 3.This mode is applied to indium tin oxide semiconductor layer 3
The case where thinner thickness, needs to lead indium tin oxide partly at this time in order to guarantee to generate enough edge effects to liquid crystal molecule
The position corresponding with the first groove 9 of body layer 3 is formed as the cross of hollow out.
In addition, the case where having no through indium tin oxide semiconductor layer 3 for the first groove 9 is compared, needs are being formed
Its surface is performed etching after indium tin oxide semiconductor layer 3, first groove 9 with certain depth is formed, due to groove
Depth have certain limitations, thus the etching process is also higher to required precision, so that higher cost.And in the present embodiment, by
Indium tin oxide semiconductor layer 3 is penetrated through in the first groove 9, thus its forming process becomes simple.Due to being located at indium tin oxide
The first groove 9 on semiconductor layer 3 is formed completely through slot, directly exposes with via the first groove 9 to surface with thus liquid crystal
Insulating layer 2 contact, thus, can choose here so that insulating layer dielectric constant be greater than the liquid crystal dielectric constant, with
Achieve the effect that make dark line graph thinning.
In the array substrate of the present embodiment, the first groove is set through indium tin oxide semiconductor layer.It can make indium
It when the thinner thickness of tin oxide semiconductor layer, can guarantee to generate enough edge effects to liquid crystal molecule, and keep dark line thin
The effect of line is preferable.
Embodiment three
On the basis of example 2, the present embodiment further changes the groove part in previous embodiment two
Into.Rest part is identical as embodiment two, and details are not described herein again.
Fig. 7 is in the array substrate that provides of the embodiment of the present invention three, the cross-sectional view of part corresponding with first area.Such as figure
Shown in 7, on the basis of the first groove 9 of embodiment two runs through indium tin oxide semiconductor layer 3, insulating layer 2 with
Multiple second grooves 92 are formed on the surface that indium tin oxide semiconductor layer 3 contacts, multiple second grooves 92 are in array substrate 1
Projection in normal direction is overlapped with the multiple first groove 9.This mode is applied to the thickness of indium tin oxide semiconductor layer 3
Relatively thin situation needs to make indium tin oxide semiconductor layer 3 at this time in order to guarantee to generate enough edge effects to liquid crystal molecule
Position corresponding with the first groove 9 is formed as the cross of hollow out, while also in the position corresponding with the first groove 9 of insulating layer 2
It sets to form the second groove 92.Here the first groove 9 and the second groove 92 cooperate, and make the liquid crystal point in the first groove 9 jointly
Son is toppled over, and dark line is mitigated.
In addition, in the same manner as embodiment two, since the first groove 9 being located on indium tin oxide semiconductor layer 3 is formed as
Through slot is directly contacted with the insulating layer 2 exposed via the first groove 9 to surface with thus liquid crystal, thus, it can select here
It selects so that the dielectric constant of insulating layer is greater than the dielectric constant of the liquid crystal, to achieve the effect that make dark line graph thinning.
In addition, the cross section along 92 depth direction of the second groove of the second groove 92 is also in as embodiment one kind
Triangle.
So, since the side wall of the second groove 92 with respect to the horizontal plane forms an acute angle, so that in the first groove 9
Substantially vertical second groove 92 of liquid crystal molecule side wall setting, dark line at this time subtract light effect preferably, more preferably.Except this
Except, cross section may be other shapes, such as rectangular, swallow-tail form, semicircle etc., at this time since boundary effect is more bright
Aobvious, lqiuid crystal molecule tipping degree is larger, and dark line subtracts light effect and is slightly inferior to the case where cross section is triangle.The example enumerated herein
Son is only to illustrate, and the invention is not limited thereto, can also be other any interface shapes that lqiuid crystal molecule tipping may be implemented.
Also, since the application directly opens up groove on 3 surface of indium tin oxide semiconductor layer and 2 surface of insulating layer,
Thus the width of the groove cannot be too big, and depth can not be too deep, to influence the normal display of sub-pixel unit, instead
Reduce the display effect of liquid crystal display panel.It is, in general, that, the width of the groove part of second groove 92 similar with the first groove 9
Less than the 1/10 of the width of first area 6,3~15 μm of range can be.Add in the depth of the first groove 9 and the second groove 92
Get up, can in the range of 10~100 μm, with guarantee dark line to subtract light effect preferable.In addition, similarly with embodiment one,
As optional embodiment, it is connected to when being equipped in the peripheral portion along the first area 6 with the first groove 9 of the cross
Third groove 93 when, correspondingly, also form shapes and sizes the 4th groove identical with the third groove in the second groove,
And the 4th groove and the connection of the second groove are got up, are added together, and Cheng " Swastika is overlooked " shape.
In the array substrate of the present embodiment, the first groove is set through indium tin oxide semiconductor layer, and make exhausted
Multiple second grooves are formed on the surface of edge layer contacted with indium tin oxide semiconductor layer, multiple second grooves are in array substrate
Normal direction on projection be completely coincident with the multiple first groove.It can make the thickness of indium tin oxide semiconductor layer
When relatively thin, the first groove and the second groove cooperate, and to guarantee to generate enough edge effects to liquid crystal molecule, and make dark line
The effect of graph thinning is preferable.
Example IV
Fig. 8 is the structural schematic diagram for the liquid crystal display panel that the embodiment of the present invention four provides.As shown in figure 8, the present embodiment
A kind of liquid crystal display panel is provided, including the array substrate 1 and battle array as described in any one of one~embodiment of above-described embodiment three
The opposite side substrate 7 that column substrate 1 is oppositely arranged, and the layer of liquid crystal molecule 8 being folded between array substrate 1 and opposite side substrate 7.Its
In, the specific structure of array substrate 1 is described in detail in one~embodiment of previous embodiment three, no longer superfluous herein
It states.
Optionally, opposite side substrate here can be color membrane substrates.
The display device of the present embodiment includes the array substrate as described in any one of one~embodiment of above-described embodiment three,
Thus groove can be set in position corresponding with the region that will generate dark line, so that the liquid crystal molecule at this is due to edge
Effect and generate and topple over, thus mitigate liquid crystal display panel show in dark line.Meanwhile special pixel is used in array substrate side
Indium tin oxide semiconductor layer graphic designs, in addition the different dielectric of insulating layer material, indium tin oxide semiconductor layer and liquid crystal
Coefficient selection, can allow pixel dark line to reach graph thinning effect.
Embodiment five
The present embodiment provides a kind of production methods of array substrate.The production method of the array substrate of the present embodiment is for making
Make array substrate described in embodiment three.Wherein, the specific structure of array substrate has carried out in previous embodiment three in detail
Illustrate, details are not described herein again.
The production method of the array substrate of the present embodiment the following steps are included:
S1, insulating layer is first formed on the substrate for be formed with sub-pixel unit.
Insulating layer is and the face to form pixel electrode to be made to become flat and be formed to protect array substrate.
S2, on the insulating layer in multiple regions corresponding with each sub-pixel unit, multiple second are formed by etching method
Groove, the second groove are crosswise in the normal direction along array substrate, and the width of second groove is 3~15 μm, and
And the depth of second groove is 10~100 μm.
S3, indium tin oxide semiconductor layer is formed on the insulating layer.
S4, on indium tin oxide semiconductor layer, position etching method shape corresponding with multiple second grooves of insulating layer
At multiple first grooves for running through indium tin oxide semiconductor layer, the width of first groove is 3~15 μm, and multiple the
Projection of two grooves in the normal direction of array substrate is completely coincident with the multiple first groove.
When being further improved to above-described embodiment, can also include: in step s 2
The cross end of S21, on the insulating layer the second groove is also formed with each free end with the second groove of cross
4th groove of connection, the 4th groove and the connection of the second groove are got up, are added together, and Cheng " Swastika is overlooked " shape.
Ground is corresponded, can also include: in step s 4
S41, it is also formed with and the first groove of cross in the cross end of the first groove of indium tin oxide semiconductor layer
The third groove of each free end connection, third groove and the connection of the first groove are got up, are added together, and overlooking is in " Swastika " shape.
In this way, on the insulating layer, on indium tin oxide semiconductor layer, be each formed with overlook Cheng " Swastika " shape recess,
The two is overlapped, and constitutes the recess that edge effect is generated for liquid crystal molecule together.
Multiple second grooves are first formed on the insulating layer in the production method of the array substrate of the present embodiment, then in indium tin oxygen
And first groove that is overlapped completely corresponding with multiple second groove is formed on compound semiconductor layer, passes through the first groove and the
Two grooves add up the recess being collectively formed for generating edge effect to liquid crystal molecule, and the liquid crystal molecule of the recess is made to incline
, to mitigate dark line.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, in the present invention unless specifically defined or limited otherwise, term " connection ", " connected ", " fixation ", " peace
Dress " etc. shall be understood in a broad sense, such as can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also pass through
Intermediary is indirectly connected, and can be the connection inside two elements or the interaction relationship of two elements, unless otherwise bright
True restriction, for the ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention
Concrete meaning.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of array substrate, which is characterized in that partly led including insulating layer and the indium tin oxide being arranged on the insulating layer
Body layer, the indium tin oxide semiconductor layer upside are contacted with liquid crystal, and the array substrate further includes multiple positioned at the insulation
The sub-pixel unit of layer lower section, the indium tin oxide semiconductor layer includes the number phase of multiple numbers with the sub-pixel unit
With first area, wherein the first area size dimension is identical with the sub-pixel unit, and the first area and
The sub-pixel unit is arranged in a one-to-one correspondence, at least one first area middle part be equipped with the first groove, described first
Groove is crosswise.
2. array substrate according to claim 1, which is characterized in that the dielectric constant of the indium tin oxide semiconductor layer
Greater than the dielectric constant of the liquid crystal.
3. array substrate according to claim 2, which is characterized in that the cross along depth of groove direction of first groove
Section is triangular in shape.
4. array substrate according to claim 2, which is characterized in that first groove is through the indium tin oxide half
Conductor layer.
5. array substrate according to claim 4, which is characterized in that in the insulating layer and the indium tin oxide half
Multiple second grooves are formed on the surface of conductor layer contact, the multiple second groove is in the normal direction of the array substrate
Projection be overlapped with the multiple first groove.
6. array substrate according to claim 5, which is characterized in that the dielectric constant of the insulating layer is greater than the liquid crystal
Dielectric constant.
7. array substrate according to claim 5, which is characterized in that second groove along the second depth of groove direction
Cross section it is triangular in shape.
8. array substrate according to claim 1, which is characterized in that the peripheral portion along the first area is equipped with and institute
State the third groove of the first groove connection, the third groove and the first groove Cheng " Swastika " shape.
9. array substrate according to claim 1, which is characterized in that the recess width of first groove is less than or equal to
The 1/10 of the width of the first area.
10. a kind of liquid crystal display panel, which is characterized in that including such as described in any item array substrates of claim 1-9 and institute
State the opposite side substrate that array substrate is oppositely arranged, and the liquid crystal molecule being folded between the array substrate and opposite side substrate
Layer.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6100953A (en) * | 1998-08-20 | 2000-08-08 | Lg. Philips Lcd Co., Ltd. | Multi-domain liquid crystal display device with concave portion in color filter and method of manufacturing thereof |
| CN1363852A (en) * | 2001-01-08 | 2002-08-14 | 达碁科技股份有限公司 | LCD with wide visual angle |
| CN101430439A (en) * | 2007-11-07 | 2009-05-13 | 群康科技(深圳)有限公司 | Liquid crystal display device |
| CN101995706A (en) * | 2009-08-17 | 2011-03-30 | 奇美电子股份有限公司 | Multi-domain vertical alignment liquid crystal display and lc-aligning method of same |
| CN102998854A (en) * | 2011-05-02 | 2013-03-27 | 三星显示有限公司 | Liquid crystal display |
| CN105242462A (en) * | 2015-11-02 | 2016-01-13 | 深圳市华星光电技术有限公司 | Va liquid crystal panel and display device |
| CN107305303A (en) * | 2016-04-18 | 2017-10-31 | 三星显示有限公司 | Liquid crystal display |
-
2018
- 2018-11-13 CN CN201811344319.0A patent/CN109270742B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6100953A (en) * | 1998-08-20 | 2000-08-08 | Lg. Philips Lcd Co., Ltd. | Multi-domain liquid crystal display device with concave portion in color filter and method of manufacturing thereof |
| CN1363852A (en) * | 2001-01-08 | 2002-08-14 | 达碁科技股份有限公司 | LCD with wide visual angle |
| CN101430439A (en) * | 2007-11-07 | 2009-05-13 | 群康科技(深圳)有限公司 | Liquid crystal display device |
| CN101995706A (en) * | 2009-08-17 | 2011-03-30 | 奇美电子股份有限公司 | Multi-domain vertical alignment liquid crystal display and lc-aligning method of same |
| CN102998854A (en) * | 2011-05-02 | 2013-03-27 | 三星显示有限公司 | Liquid crystal display |
| CN105242462A (en) * | 2015-11-02 | 2016-01-13 | 深圳市华星光电技术有限公司 | Va liquid crystal panel and display device |
| CN107305303A (en) * | 2016-04-18 | 2017-10-31 | 三星显示有限公司 | Liquid crystal display |
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|---|---|
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Address after: No. 1778, Qinglan Road, Huangjia Street, Shuangliu District, Chengdu, Sichuan 610200 Patentee after: Chengdu BOE Display Technology Co.,Ltd. Country or region after: China Address before: No. 1778, Qinglan Road, Gongxing street, Shuangliu District, Chengdu, Sichuan 610200 Patentee before: CHENGDU ZHONGDIAN PANDA DISPLAY TECHNOLOGY Co.,Ltd. Country or region before: China |