CN104698697B - Pixel structure and display panel - Google Patents
Pixel structure and display panel Download PDFInfo
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- CN104698697B CN104698697B CN201510151323.5A CN201510151323A CN104698697B CN 104698697 B CN104698697 B CN 104698697B CN 201510151323 A CN201510151323 A CN 201510151323A CN 104698697 B CN104698697 B CN 104698697B
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- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims description 42
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- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000002834 transmittance Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 239000012774 insulation material Substances 0.000 description 10
- 230000005684 electric field Effects 0.000 description 8
- 230000012447 hatching Effects 0.000 description 5
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- 238000009413 insulation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- 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
- G02F1/133345—Insulating layers
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a pixel structure, which comprises a substrate with a surface, an insulating layer and a pixel electrode. The insulating layer defines a first region and a second region surrounding the first region. The first region has a first region top surface and the second region has a second region top surface. A first distance from the top surface of the first region to the surface is less than a second distance from the top surface of the second region to the surface. The pixel electrode continuously extends from the top surface of the first area to the top surface of the second area, wherein the pixel electrode is provided with a trunk opening and a plurality of slit openings communicated with the trunk opening. The openings of the trunk are distributed along a cross-shaped track to divide a plurality of alignment areas. The slit openings in the same alignment region are parallel to each other and define a stripe portion of the pixel electrode between two adjacent slit openings, and the intersection of the cross-shaped tracks is located in the first region. A display panel is also provided.
Description
Technical field
Contribute to lifting light the invention relates to a kind of dot structure and display panel, and in particular to one kind
The dot structure of penetrance and the display panel of the application dot structure.
Background technology
At present, market includes high contrast (high contrast ratio), nothing for the performance requirement of liquid crystal display panel
Gray-scale inversion (no gray scale inversion), low colour cast (low color shift), high brightness (high
Luminance), the characteristic such as high color saturation, fast reaction and wide viewing angle.The technology of wide viewing angle requirement can be reached at present to be included
Stable twisted nematic (Twisted Nematic, TN) liquid crystal collocation view film (wide viewing film), copline are cut
Change formula (In-Plane Switching, IPS) liquid crystal display panel, marginal field suitching type (Fringe Field Switching)
Liquid crystal display panel and multi-zone vertical alignment nematic (Multi-domain Vertical Alignment, MVA) liquid crystal display panel
Deng.
In existing multifield vertical directional liquid crystal display panel, pixel electrode can form multiple slit openings, thereby control
Multiple liquid crystal molecules of liquid crystal layer are toppled over towards a variety of directions, so as to achieve the purpose that wide viewing angle.However, liquid crystal molecule is non-homogeneous
Different electric field levels and direction can be experienced under the action of electric field, causes partial liquid crystal molecule to be toppled over towards unexpected direction,
And produce unexpected misorientation line (disclination line) and misorientation point in the centre of respective pixel electrode or edge
(disclination node), and then influence the light transmittance of display panel.
The content of the invention
The present invention provides a kind of dot structure, it helps to lift light transmittance.
The present invention provides a kind of display panel, it has preferable light transmittance using above-mentioned dot structure.
A kind of dot structure of the present invention, it includes substrate, insulating layer and pixel electrode.Substrate has surface.Insulation
Floor is configured on substrate and defines the firstth area and the secondth area and the secondth area is centered around the first area periphery, wherein the firstth area has
First area's top surface and the secondth area has second area's top surface.First distance on first area's top surface to surface is less than second area's top surface to table
The second distance in face.Pixel electrode is configured on substrate, and at least part area of pixel electrode by first area's top surface continuously
Second area's top surface is extended to, wherein pixel electrode has trunk opening and is communicated in multiple slit openings of trunk opening.It is main
Dry opening is distributed along cross track to mark off multiple orientation areas.Slit opening in same orientation area it is parallel to each other and
A striped portion of pixel electrode is defined between two neighboring slit opening, and the infall of cross track is located at the firstth area
In.
A kind of display panel of the present invention, it includes above-mentioned multiple dot structures and liquid crystal layer.The liquid crystal of liquid crystal layer
Molecule is driven by dot structure, and under dot structure driving, liquid crystal molecule is all toppled over to the secondth area.
Based on above-mentioned, the dot structure of the embodiment of the present invention is higher than the design at center using the edge of pixel electrode, makes liquid
Brilliant molecule is stably poured out in driving, and helps to lift light transmittance, and makes the display using above-mentioned dot structure
Panel can have preferable light transmittance.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and coordinate institute's accompanying drawings
It is described in detail below.
Brief description of the drawings
Figure 1A is a kind of upper schematic diagram of dot structure according to one embodiment of the invention.
Figure 1B is the close-up schematic view of an embodiment of the dot structure of Figure 1A.
Fig. 1 C and Fig. 1 D are the diagrammatic cross-section along hatching line I-I, II-II of Figure 1B respectively.
Fig. 1 E are another implementation kenels of region C in Fig. 1 C.
Fig. 2A is the close-up schematic view of another embodiment of the dot structure of Figure 1A.
Fig. 2 B and Fig. 2 C are the diagrammatic cross-section along hatching line III-III, IV-IV of Fig. 2A respectively.
Fig. 3 to Figure 10 is the close-up schematic view of the dot structure of Figure 1A in other embodiments respectively.
Figure 11 is a kind of diagrammatic cross-section of display panel according to one embodiment of the invention.
Wherein, reference numeral：
10：Display panel
14：Liquid crystal layer
16：Opposite substrate
12、100、100A、100B、100C、100D、100E、100F、100G、100H、100I：Dot structure
110：Substrate
120：Insulating layer
130、130A、130B、130C、130D、130E、130F、130G：Pixel electrode
132：Striped portion
134、134A、134B、134C：Peripheral join
136：Corner drafting department
138、138A、138B：Truck Connection portion
A1、A1’：Firstth area
A11’：Central part
A12’：Protrusion
A2：Secondth area
A3：Junctional area
AA：Orientation area
AD：Active member
B：Have a common boundary
CE：Common electrode layer
CH：Channel layer
D1：First distance
D2：Second distance
DE：Drain electrode
DL：Data cable
E：Edge
G：Gap
GE：Grid
I-I、II-II、III-III、IV-IV：Hatching line
IC：Internal periphery
IT、W、W1、W2、W3、W4、W5：Width
OC：Outer contour
PL、PW：Component
S1：Surface
SE：Source electrode
SL：Scan line
SO：Slit opening
SUB：Transparent substrates
T1：First area's top surface
T2：Second area's top surface
T3：Inclined plane
TO：Trunk opening
TP：Turning point
U：Accommodating space
X：Infall
θ：Angle
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Figure 1A is a kind of upper schematic diagram of dot structure according to one embodiment of the invention.Figure 1B is the pixel of Figure 1A
The close-up schematic view of one embodiment of structure.Fig. 1 C and Fig. 1 D are shown along the section of hatching line I-I, II-II of Figure 1B respectively
It is intended to.Figure 1A to Fig. 1 D is refer to, dot structure 100 includes substrate 110, insulating layer 120 and pixel electrode 130.Substrate 110
Can be glass substrate, silicon substrate, bendable plastic substrate or known any substrate that can be applied to make display panel.Base
Plate 110 has surface S1.Insulating layer 120 and pixel electrode 130 are configured on the S1 of surface, and insulating layer 120 and pixel electricity
Pole 130 is not limited to directly contact with surface S1.
Specifically, other film layers or component can have first been made on the S1 of surface, has just made insulating layer 120 and pixel electrode
130.For example, before making pixel electrode 130, scan line SL, data cable DL and active can be initially formed on the S1 of surface
Element AD.Scan line SL and data cable DL are interlaced with each other, and are, for example, not to be in contact but vertically.Active member AD respectively with
Scan line SL, data cable DL and pixel electrode 130 are electrically connected.
As shown in Figure 1A, active member AD have grid G E, channel layer CH, source S E and drain D E, wherein grid G E
Scan line SL is connected to, source S E is connected to data cable DL and drain D E is connected to pixel electrode 130.Grid in active member AD
Pole GE must separate without being in contact with channel layer CH, and scan line SL must also be separated without connecting with data cable DL
Touch, and pixel electrode 130 can not be directly contacted with scan line SL, data cable DL and channel layer CH.Therefore, dot structure 100
In be provided with insulating layer 120 to realize the separation between these components.For the present embodiment, insulating layer 120 is not required to be defined to
The structure of simple layer, and can be stacked to form by multiple insulation material layers.For example, insulating layer 120 may include not illustrate
The first insulation material layer and the second insulation material layer, wherein the first insulation material layer be arranged at grid G E and channel layer CH it
Between and scan line SL and data cable DL between, and the second insulation material layer is arranged between pixel electrode 130 and data cable DL
And between pixel electrode 130 and channel layer CH, but not limited to this.In another embodiment, insulating layer 120 or simple layer
Structure, and may be configured with other insulating layers in dot structure 100.In addition, insulating layer 120 is not required to limit with homogenous material group
Into, wherein form insulating layer 120 insulating materials can be selected from by silica, silicon nitride, silicon oxynitride, insulation photoresist,
Organic insulation or other one of which or combination in material of insulating effect can be provided.
Before pixel electrode 130 is made, insulating layer 120 can be patterned and define the first area A1 and be centered around
The second area A2 in the first area A1 peripheries.In the present embodiment, the boundary B of the first area A1 and the second area A2 form a closed pattern.
Figure 1B indicates the boundary B of the first area A1 and the second area A2 with thick dashed line, is the first area A1 wherein within thick dashed line, and thick dashed line
It is the second area A2 in addition.The closed pattern is, for example, the square pattern shown in Figure 1B, that is, the first area A1 and the second area A2's
Contoured profiles of the boundary B along square pattern.
There is height offset between first area A1 and the second area A2.Furthermore, the first area A1 has first area's top surface
T1, and the second area A2 has the second area top surface T2.First area top surface T1 and the second area top surface T2 can be parallel to surface S1
Plane, and the first distance D1 of the first area top surface T1 to surface S1 be less than the second area top surface T2 to surface S1 second distance
D2.For example, the difference of the first distance D1 and second distance D2 can between 0.3 micron to 0.9 micron, and preferably 0.5
Micron.
In the present embodiment, when insulating layer 120 is made of the insulation material layer of multiple layers of different materials, insulating layer 120 exists
The material of first area top surface T1 can be identical or different from material of the insulating layer 120 in the second area top surface T2.In other words, absolutely
Edge layer 120 is made of the insulation material layer of multiple layers of different materials, and the insulation material layer of top is local in the first area A1
It is thinned and forms the first area top surface T1, then insulating layer 120 is pushed up in the material of the first area top surface T1 with insulating layer 120 in the secondth area
The material of face T2 can be identical.In addition, insulating layer 120 is made of the insulation material layer of multiple layers of different materials, and top
Insulation material layer be removed completely in the first area A1 and the surface of time top layer is formed the first area top surface T1, then insulating layer
120 the first area top surface T1 material and insulating layer 120 be in the material of the second area top surface T2 possible be different.
Pixel electrode 130 is formed at after insulating layer 120, and pixel electrode 130 and drain D E is electrically connected to each other.Such as figure
Shown in 1C and Fig. 1 D, at least part area of pixel electrode 130 continuously extends to the second area top surface T2 by the first area top surface T1.
Specifically, the first area A1 of opposing recesses forms a concave accommodating space U, and pixel electrode 130 is configured at this accommodating space U
It is interior, and the accommodating space U of the edge of pixel electrode 130 thus opposing recesses extends out to second relatively raised area's top surface
T2.Since the second area top surface T2 is higher than the first area top surface T1, the pixel electrode 130 in the second area A2, which can be higher than, to be located at
Pixel electrode 130 in first area A1.By the design at this high 130 edge of pixel electrode, the present embodiment dot structure 100 should
The trend of power line and the areal concentration of power line when can change driving during for liquid crystal display, so as to control liquid crystal point
Son is toppled over toward predetermined direction.By taking negative type liquid crystal as an example, for negative type liquid crystal molecule under the action of electric field, its short axle can be along electric field
Direction arrangement.The design at high 130 edge of pixel electrode of frame can be such that negative type liquid crystal molecule is stably poured out in driving, from
And liquid crystal efficiency can be lifted, and can strengthen and misorientation point (disclination node) is defined in dot structure frontside edge
The ability in (such as the corner of boundary B).Thus, it will help reduce unexpected misorientation line or misorientation point in dot structure
The probability of 100 central area (such as firstth area A1) generation.Therefore, the light transmittance of dot structure 100 can be lifted effectively,
And the display panel of application dot structure 100 can have preferable light transmittance and display quality.
In the present embodiment, the boundary B of the first area top surface T1 and the second area top surface T2 are made of a sheer face, but unlimited
In this.Fig. 1 E are another implementation kenels of region C in Fig. 1 C.As referring to figure 1E, according to different processing procedure modes or process parameter,
There may be a junctional area A3 between first area A1 and the second area A2, wherein junctional area A3 have be connected to the first area top surface T1 with
An inclined plane T3 between second area top surface T2, and inclined plane T3 and the angle theta of the surface S1 of substrate 110 are greater than 80 degree,
Swung to preferably stabilizing liquid crystal.In the present embodiment, the first area top surface T1 and the second area top surface T2 can be considered as substantially flat
OK, and inclined plane T3 is then connected between this two top surface.
Referring again to Figure 1B, the pixel electrode 130 of the present embodiment has trunk opening TO and is communicated in trunk opening TO
Multiple slit opening SO.Trunk opening TO is distributed along cross track, to mark off multiple orientation area AA (such as 4 orientation areas
AA).In addition, the infall X of cross track is located in the first area A1, and for example positioned at the center of pixel electrode 130, but it is unlimited
In this.The present embodiment carries out orientation with trunk opening TO to be helped to reduce the line of the misorientation line of 130 middle of respective pixel electrode
Width, so as to take into account light transmittance under the advantage of wide viewing angle.In the present embodiment, the width IT of trunk opening TO is for example situated between
Between 2 microns to 8 microns, and preferably 4 microns.
Slit opening SO in same orientation area AA is parallel to each other and is defined between two neighboring slit opening SO
One striped portion 132 of pixel electrode 130.In the present embodiment, the striped portion 132 in same orientation area AA is in orientation
On width W be definite value, that is, striped portion 132 is in wide design, however, the present invention is not limited thereto.In another embodiment, bar
The width W in line portion 132 can also be gradually decreased from outside to inside, that is, the width W in striped portion 132 is towards close to the direction of infall X
Gradually decrease.Under this framework, the width of slit opening SO then by outer (away from infall X) and interior (close to infall X) by
It is cumulative to add.Following embodiments are all applicable in this improvement, just repeat no more.
Pixel electrode 130 can further comprise peripheral join 134.134 part of peripheral join is located in the first area A1
And part is located in the second area A2.In the present embodiment, peripheral join 134 is located at width W1 (the i.e. peripheries in the first area A1
Connecting portion 134 is located at edge and the horizontal distance of boundary B in the first area A1) it is greater than 0 micron and less than or equal to 4 micro-
Rice.In addition, peripheral join 134 is located at the width W2 in the second area A2, (i.e. peripheral join 134 is located at the side in the second area A2
The horizontal distance of edge and boundary B) for example between 2 microns to 10 microns.
Striped portion 132 is stretched out by trunk opening TO and is connected to peripheral join 134.In the present embodiment, periphery
Connecting portion 134 has circular pattern and striped portion 132 is located in the circular area of circular pattern.In addition, peripheral join 134
Outer contour OC and Internal periphery IC (Internal periphery is formed by the boundary line of all striped portions 134 and peripheral join 134) essence
On conform to the boundary B of (conform to) the first area top surface T1 and the second area top surface T2.Therefore, the periphery connection of the present embodiment
The outer contour OC and Internal periphery IC in portion 134 are also, for example, square to be square, but not limited to this.In another embodiment, pixel
Electrode 130 can also be rectangle, and its aspect ratio can be between 1 to 1.5.At this time, the outer contour OC of peripheral join 134
And Internal periphery IC is all rectangle.
Fig. 2A is the close-up schematic view of another embodiment of the dot structure of Figure 1A.Fig. 2 B and Fig. 2 C are along figure respectively
The diagrammatic cross-section of hatching line III-III, IV-IV of 2A.Fig. 2A to Fig. 2 C is refer to, dot structure 100A is approximately identical to pixel
Structure 100, and identical element is represented with identical label, is repeated no more in this.Dot structure 100A and dot structure 100
Main Differences are, the area of the first area A1 ' of dot structure 100A have a central part A11 ' and from central part A11 ' to
The multiple protrusion A12 ' extended out outside, and will during the center extension of extension track the first area A1 ' of direction of protrusion A12 '
Central part A11 ' is divided into above-mentioned multiple orientation area AA.Specifically, protrusion A12 ' for example corresponds to the end of trunk opening TO respectively
Hold and extended out along the cross track of trunk opening TO.The setting of protrusion A12 ' helps to swing to liquid crystal more steady
It is fixed, and can further strengthen the ability that misorientation point is fixed on to protrusion A12 ' and the overlapping of peripheral join 134, make pair
The misorientation line relatively thin of trunk opening TO and opposite collimation are answered, so as to help further to lift light transmittance.In the present embodiment
In, width W3s of the protrusion A12 ' on its vertical extending direction is greater than 3 microns.
Below with Fig. 3 to other enforceable kenels of Figure 10 pixels illustrateds structure, but the invention is not restricted to cited reality
Apply example, any those of ordinary skill in the art, when the technology of different embodiments being combined, changed, and
It falls within the invention to be protected of this case.Fig. 3 to Figure 10 is that the part of the other embodiment of the dot structure of Figure 1A is put respectively
Big schematic diagram.Please also refer to Fig. 3, dot structure 100B is approximately identical to dot structure 100A, and identical element is with identical
Label represents, is repeated no more in this.Dot structure 100B and the Main Differences of dot structure 100A are, dot structure 100B's
Pixel electrode 130A further includes corner drafting department 136.Corner drafting department 136 be arranged at peripheral join 134 formed it is square
Corner.The setting of corner drafting department 136 helps further to strengthen is fixed on dot structure 100B edges (correspondence by misorientation point
The position of corner drafting department 136) ability, swing to liquid crystal more stable.In the present embodiment, corner drafting department 136 is convex
Go out width W4 (i.e. the beeline at the edge of corner drafting department 136 to the edge of peripheral join 134) for example between 1 micron extremely
Between 4 microns.
Fig. 4 is refer to, dot structure 100C is approximately identical to dot structure 100, and identical element is with identical label
Represent, repeated no more in this.Dot structure 100C and the Main Differences of dot structure 100 are, the first of dot structure 100C
Contoured profiles of the boundary B of area top surface T1 and the second area top surface T2 along a geometrical pattern.The geometrical pattern is in a first direction
Width on D1 is gradually reduced outside by mediad, and the width on the second direction D2 perpendicular to first direction D1 is in
Centre is outwards gradually reduced.Also, the adjacent two edges E of geometrical pattern is in four orientation area AA that trunk opening TO is marked off
A turning point TP is formed respectively.Each edge E correspond to trunk opening TO cross track have the component PL that one is long and the other is short,
PW, and the ratio PL/PW of component PL and component PW is greater than or equal to 0.0185.
In the present embodiment, the outer contour OC and Internal periphery IC of peripheral join 134 all maintain foregoing square design, and
At least part striped portion 132 is overlapped in the boundary B of the first area top surface T1 and the second area top surface T2, and part striped portion 132 is by
One area top surface T1 extends to the second area top surface T2, however, the present invention is not limited thereto.As shown in figure 5, the periphery of pixel electrode 130B connects
The Internal periphery IC of socket part 134A can also conform to the boundary B of the first area top surface T1 and the second area top surface T2 and have and above-mentioned geometry
Substantially the same profile of pattern.Alternatively, as shown in fig. 6, the outer contour OC of the peripheral join 134B of pixel electrode 130C and
Internal periphery IC can conform to the boundary B of the first area top surface T1 and the second area top surface T2 jointly and have and above-mentioned geometrical pattern essence
Upper identical profile.Under the framework of Fig. 5 and Fig. 6, all striped portions 132 are all located at the ring of peripheral join 134A, 134B
In the circular area of shape pattern, that is, all striped portions 132 are all configured on the first area top surface T1.In addition, periphery connects
Portion 134A, 134B are overlapping and cross the boundary B of the first area top surface T1 and the second area top surface T2.
In dot structure 100C, 110D, 100E of Fig. 4 to Fig. 6, the outer contour OC of peripheral join 134B, week are utilized
At least one of which of the Internal periphery IC and boundary B of side connecting portion 134A, 134B use profile gradual change design, contribute into
One step stabilizing liquid crystal is swung to, so as to reach foregoing lifting liquid crystal efficiency and the effect of light transmittance.
Fig. 7 is refer to, dot structure 100F is approximately identical to dot structure 100, and identical element is with identical label
Represent, repeated no more in this.Dot structure 100F and the Main Differences of dot structure 100 are, the periphery of dot structure 100F
Connecting portion 134C is separated into multistage by multiple clearance Gs and each clearance G is located at the end of trunk opening TO.Clearance G connects periphery
Portion 134C is separated in structure each other, and clearance G can be considered the extension of trunk opening TO.That is, clearance G is all with trunk opening TO
Engraved structure.In addition, a wherein stripe portion 132 of each orientation area AA extends out towards trunk opening TO and connects adjacent
A wherein stripe portion 132 of orientation area AA.Specifically, towards the extension in the trunk opening TO striped portions 132 extended out
Divide and form multiple Truck Connection portions 138.Truck Connection portion 138 is located in trunk opening TO, by wherein the one of each orientation area AA
Stripe portion 132 is connected to a wherein stripe portion 132 of adjacent orientation area AA.In addition, Truck Connection portion 138 not overlapping ten
The infall X of zag trajectory, that is, Truck Connection portion 138 exposes infall X.In the present embodiment, Truck Connection portion 138 that
This separation, and striped portion 132 and Truck Connection portion 138 are connected together and form V-shaped, but the present embodiment is not limiting master
The shape of involvement socket part 138 and its mode for being connected to striped portion 132.As shown in the pixel electrode 130E of Fig. 8, striped portion 132
And the Truck Connection portion 138A connected can also form W fonts.Alternatively, shown in the pixel electrode 130F of Fig. 9, positioned at trunk opening
Truck Connection portion 138B in TO can be connected to each other and be formed the square structure being surrounded on around infall X.However, but
The invention is not restricted to above-mentioned.
In dot structure 100F, 100G, 100H, the setting of clearance G help to swing to liquid crystal it is more stable, and can
Further strengthen the ability of corresponding clearance G position of being fixed on misorientation point, so as to reach foregoing lifting liquid crystal efficiency and light penetrates
The effect of rate.In these embodiments, width W5 (i.e. the distance between adjacent two sections of peripheral join 134C) example of clearance G
Such as larger than 1 micron and less than or equal to 8 microns.In addition, width W1 is greater than 2 microns, and width W2 for example between 2 microns extremely
Between 8 microns.In addition, as shown in Figure 10, the pixel electrode 130G of dot structure 100I further comprises figure under the framework of Fig. 7
3 corner drafting department 136, is fixed on dot structure 100I edges (corresponding corner drafting department 136 further to strengthen by misorientation point
Position) ability.Dot structure 100G, 100H of Fig. 8 and Fig. 9 also can be improved herewith, be repeated no more in this.In addition, Figure 10
In the scope of width W1, W2, W4, W5 can refer to above-mentioned, repeated no more in this.
Figure 11 is a kind of diagrammatic cross-section of display panel according to one embodiment of the invention.Figure 11 is refer to, is shown
Panel 10 includes multiple dot structures 12 (Figure 11 only schematically shows one) and liquid crystal layer 14, wherein each dot structure 12
Above-mentioned dot structure 100, the one of which of 100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H, 100I can be used.
Display panel 10 can further comprise an opposite substrate 16.Opposite substrate 16 be configured at dot structure 12 to,
And liquid crystal layer 14 is between opposite substrate 16 and dot structure 12.In addition, opposite substrate 16 may include a transparent substrates SUB with
The common electrode layer CE of configuration thereon.Common electrode layer CE is located at the opposite sides of liquid crystal layer 14 with pixel electrode 130 respectively,
And the liquid crystal molecule LC of liquid crystal layer 14 changes it and topples over according to the direction of an electric field between pixel electrode 130 and common electrode layer CE
Direction.By taking liquid crystal molecule LC is negative type liquid crystal molecule as an example, the short axle of negative type liquid crystal molecule can be arranged along the direction of electric field.
Under the driving of dot structure 12, direction of an electric field is directed toward common electrode layer CE (near normal electric field) by pixel electrode 130.By upper
The design at high 130 edge of pixel electrode of frame is stated, liquid crystal molecule LC can be made all to topple over to the second area A2, so that display panel 10 can have
There are good light transmittance and display quality.
In conclusion the dot structure of the embodiment of the present invention makes liquid crystal molecule by the design at the high pixel electrode edge of frame
It can stably be poured out in driving, and help to lift light transmittance, and make the display surface using above-mentioned dot structure
Plate can have preferable light transmittance.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any technical field
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when can make a little change and retouch, thus it is of the invention
Protection domain when regard appended claims institute defender subject to.
Claims (18)
- A kind of 1. dot structure, it is characterised in that including：One substrate, has a surface；One insulating layer, be configured on the substrate and define one first area and one second area and secondth area be centered around this first Area periphery, wherein firstth area are with one first area's top surface and secondth area is with one second area's top surface, and the firstth area top surface One first distance to the surface is less than the secondth area top surface to a second distance on the surface；AndOne pixel electrode, is configured on the substrate, and at least part area of the pixel electrode by the firstth area top surface continuously The secondth area top surface is extended to, the wherein pixel electrode has a trunk opening and is communicated in multiple slits of the trunk opening Opening, the trunk opening are distributed along cross track to mark off multiple orientation areas, and the slit in same orientation area is opened A mouth striped portion parallel to each other and that the pixel electrode is defined between two neighboring slit opening, and the cross track Infall be located in firstth area；Contoured profile of the boundary of the firstth area top surface and the secondth area top surface along a geometrical pattern.
- 2. dot structure according to claim 1, it is characterised in that the wherein court of stripe portion positioned at the respectively orientation area Extended out to the trunk opening and connect a wherein stripe portion in adjacent orientation area.
- 3. dot structure according to claim 2, it is characterised in that the pixel electrode further includes multiple Truck Connection portions, In the trunk opening, the respectively orientation area is extended out towards the trunk opening this wherein a stripe portion is connected to A wherein stripe portion in the adjacent orientation area.
- 4. dot structure according to claim 3, it is characterised in that the not overlapping cross track in the Truck Connection portion Infall.
- 5. dot structure according to claim 2, it is characterised in that the striped portion is overlapped in the firstth area top surface with being somebody's turn to do The boundary of second area's top surface.
- 6. dot structure according to claim 1, it is characterised in that the pixel electrode further includes a peripheral join, portion Divide and be located in firstth area and be partly located in secondth area, and the striped portion is extended by the trunk outward opening and is connected to The peripheral join.
- 7. dot structure according to claim 6, it is characterised in that peripheral join bar with circular pattern Line portion is located in the circular area of the circular pattern.
- 8. dot structure according to claim 6, it is characterised in that the peripheral join is separated into more by multiple gaps Section and respectively the gap is located at the end of the trunk opening.
- 9. dot structure according to claim 6, it is characterised in that the outer contour of the peripheral join is square.
- 10. dot structure according to claim 9, it is characterised in that the pixel electrode further includes corner drafting department and sets In the square corner that the peripheral join is formed.
- 11. dot structure according to claim 6, it is characterised in that the outer contour of the peripheral join is substantially complied with The boundary of the firstth area top surface and the secondth area top surface.
- 12. dot structure according to claim 1, it is characterised in that the geometrical pattern is square pattern.
- 13. dot structure according to claim 1, it is characterised in that width of the geometrical pattern on a first direction It is by being gradually reduced outside mediad, and the width in a second direction is and the first direction by being gradually reduced outside mediad It is vertical with the second direction.
- 14. dot structure according to claim 1, it is characterised in that the area in firstth area have a central part and The multiple protrusions to be stretched out away by the central part, and the center in extension track towards firstth area of the protrusion is prolonged The central part is divided into multiple orientation areas when stretching.
- 15. dot structure according to claim 1, it is characterised in that thickness of the insulating layer in firstth area is less than The thickness in secondth area.
- 16. dot structure according to claim 1, it is characterised in that the difference of first distance and the second distance between Between 0.3 micron to 0.9 micron.
- 17. dot structure according to claim 1, it is characterised in that there are a friendship between firstth area and secondth area Battery limit (BL), the junctional area have the inclined plane being connected between the firstth area top surface and the secondth area top surface, and the inclined plane is with being somebody's turn to do The angle on the surface of substrate is more than 80 degree.
- A kind of 18. display panel, it is characterised in that including：Multiple dot structures as any one of claim 1 to 17；AndOne liquid crystal layer, the liquid crystal molecule of the liquid crystal layer are driven by the dot structure, and under dot structure driving, it is described Liquid crystal molecule is all toppled over to secondth area.
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| TW104104522 | 2015-02-11 | ||
| TW104104522A TWI528090B (en) | 2015-02-11 | 2015-02-11 | Pixel structure and display panel |
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| CN104698697B true CN104698697B (en) | 2018-04-27 |
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| CN105093724B (en) | 2015-09-15 | 2018-06-15 | 深圳市华星光电技术有限公司 | Array substrate and liquid crystal display panel |
| CN106054484A (en) * | 2016-08-19 | 2016-10-26 | 武汉华星光电技术有限公司 | Array substrate and liquid crystal display panel using same |
| TWI685698B (en) * | 2019-01-03 | 2020-02-21 | 友達光電股份有限公司 | Pixel array substrate and driving method thereof |
| CN112612162B (en) * | 2021-01-05 | 2022-02-22 | Tcl华星光电技术有限公司 | Pixel electrode, driving method thereof and liquid crystal display panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345324A (en) * | 1992-04-22 | 1994-09-06 | International Business Machines Corporation | Active matrix liquid crystal display device having two light shielding layers |
| CN1573485A (en) * | 2003-06-17 | 2005-02-02 | Lg.飞利浦Lcd有限公司 | In-plane switching mode liquid crystal display device and method of manufacturing the same |
| CN101055379A (en) * | 2007-06-08 | 2007-10-17 | 友达光电股份有限公司 | Liquid crystal display panel, photoelectric device and method for manufacturing the same |
| TW200809350A (en) * | 2006-08-08 | 2008-02-16 | Au Optronics Corp | Polymer stabilized alignment LCD panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130015829A (en) * | 2011-08-05 | 2013-02-14 | 삼성디스플레이 주식회사 | Display substrate, method of manufacturing a display substrate and liquid crystal display device having a display substrate |
-
2015
- 2015-02-11 TW TW104104522A patent/TWI528090B/en not_active IP Right Cessation
- 2015-04-01 CN CN201510151323.5A patent/CN104698697B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345324A (en) * | 1992-04-22 | 1994-09-06 | International Business Machines Corporation | Active matrix liquid crystal display device having two light shielding layers |
| CN1573485A (en) * | 2003-06-17 | 2005-02-02 | Lg.飞利浦Lcd有限公司 | In-plane switching mode liquid crystal display device and method of manufacturing the same |
| TW200809350A (en) * | 2006-08-08 | 2008-02-16 | Au Optronics Corp | Polymer stabilized alignment LCD panel |
| CN101055379A (en) * | 2007-06-08 | 2007-10-17 | 友达光电股份有限公司 | Liquid crystal display panel, photoelectric device and method for manufacturing the same |
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| TW201629602A (en) | 2016-08-16 |
| TWI528090B (en) | 2016-04-01 |
| CN104698697A (en) | 2015-06-10 |
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