CN110297361A - The manufacturing method of display panel - Google Patents
The manufacturing method of display panel Download PDFInfo
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- CN110297361A CN110297361A CN201810587264.XA CN201810587264A CN110297361A CN 110297361 A CN110297361 A CN 110297361A CN 201810587264 A CN201810587264 A CN 201810587264A CN 110297361 A CN110297361 A CN 110297361A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 38
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- 239000000178 monomer Substances 0.000 claims abstract description 11
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- 230000005611 electricity Effects 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
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- 239000011521 glass Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
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- 238000004528 spin coating Methods 0.000 description 1
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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
-
- 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
- G02F1/1343—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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of manufacturing method of display panel, includes the following steps.In formation multiple data lines, multi-strip scanning line, multiple dot structures and first electrode on first substrate.Each dot structure includes active member and the pixel electrode with active member electric connection.Gap between first electrode and the opposite two edges of two pixel electrodes of two adjacent dot structures and two adjacent pixel electrodes is Chong Die.In forming second electrode in the second substrate.Prepare display medium constituent comprising multiple liquid crystal molecules and multiple polymerisable monomers.Display medium constituent is set between first substrate and the second substrate.Curing program for the first time is carried out, program is cured for the first time and includes while carrying out the first irradiation step, enable data line with the first current potential V1, enable second electrode with the second current potential V2 and enable first electrode that there is third current potential V3, wherein V1 < V2 < V3.
Description
Technical field
The present invention relates to a kind of manufacturing methods of electronic device, and in particular to a kind of manufacturing method of display panel.
Background technique
Existing multidomain vertical alignment type (multi-domain vertically alignment；MVA) LCD display
Plate is to make the liquid crystal molecule in different zones with different orientations using the configuration of alignment structure (alignment structure)
Topple over, and then reaches the technical effect of wide viewing angle.Alignment structure include orientation convex block (alignment protrusion) and
It is set to the orientation slit (alignment slit) that multiple branch portions of pixel electrode define.However, it is convex to be located at orientation
The toppling direction of block and the liquid crystal molecule on orientation slit periphery is often discontinuous, and causes the situation of light leakage, so that liquid crystal display
The contrast of panel reduces.If configuring light shield layer at orientation convex block or orientation slit corresponding to, again to reduce light leakage degree
Meeting is so that the aperture opening ratio of liquid crystal display panel declines.Therefore, a kind of polymer-stabilized alignment technique is suggested, and is hung down with improving multiple domain
The bad problem of the contrast of straight direction matching type liquid crystal display board.
In existing polymer-stabilized alignment technique, liquid crystal display panel can be applied a voltage to, also that is, enable data line,
The common electrode of pixel array and the common electrode of colored optical filtering substrates have two kinds of current potentials of low potential or high potential.However,
For promoted liquid crystal display panel aperture opening ratio and make two adjacent pixel electrodes close to when, can but make liquid crystal display panel in
Generate irregular concealed wire (disclination line) after applying voltage, i.e., black mist (sandy black fog) phenomenon, and
Severely impact display quality.
Summary of the invention
The present invention provides a kind of manufacturing method of display panel, manufactured by display panel have good display product
Matter.
The manufacturing method of display panel of the invention, including the following steps: on first substrate formed multiple data lines, with
The staggered multi-strip scanning line of data line, the multiple dot structures being electrically connected with data line and scan line and first electrode,
In each dot structure include active member and with active member be electrically connected pixel electrode, first electrode and adjacent two
Gap overlapping between two pixel electrodes of the opposite two edges of pixel electrode and two adjacent dot structures；In the second substrate
Upper formation second electrode；Prepare display medium constituent comprising multiple liquid crystal molecules and multiple polymerisable monomers, polymerizable list
Polymerization reaction can occur under light illumination for body；Display medium constituent is set between first substrate and the second substrate；And
Curing program for the first time is carried out, program is cured for the first time and includes while carrying out the first irradiation step, enabling data line that there is the first electricity
Position V1, second electrode is enabled with the second current potential V2 and enables first electrode that there is third current potential V3, wherein V1 < V2 < V3.
Based on above-mentioned, the manufacturing method of the display panel of one embodiment of the invention is by including same in first time curing program
The first irradiation of Shi Jinhang step enables data line with the first current potential V1, enables second electrode have the second current potential V2 and enable first
Electrode has third current potential V3, and wherein V1 < V2 < V3, can improve black mist (sandy black fog) phenomenon of display panel, into
And promote display panel quality.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is detailed to cooperate attached drawing to make
Carefully it is described as follows.
Detailed description of the invention
Figure 1A~Fig. 1 D is the diagrammatic cross-section of the display panel manufacturing method of one embodiment of the invention.
The top view of the pixel array formed on the display panel that Fig. 2 is Fig. 1.
The display panel that Fig. 3 shows the first comparative example is generated under with the gap between different adjacent pixel electrodes
Equipotential line, the second comparative example display panel in equipotential line caused by the gap between different adjacent pixel electrodes
And the display panel of one embodiment of the invention is in equipotential line caused by the gap between different adjacent pixel electrodes.
Description of symbols:
100: display panel
110: first substrate
120: first electrode
120a: the first sub-electrode
120b: second sub electrode
130: second electrode
140: the second substrate
150: the first bridging lines
150a: the first sub- bridging line
150b: the second sub- bridging line
160: the second bridging lines
170a, 170a-1,170a-2,170b, 170b-1,170b-2: edge
170-1,170-2: pixel electrode
171: the first pixel electrodes
171a, 172a: stem portion
171b, 172b: branch portion
171c, 172c: periphery
172: the second pixel electrodes
A: pixel array
Cx1: the first coupled capacitor
Cx2: the second coupled capacitor
C1, C2, C3: channel
DL: data line
D1, D2, D3: drain electrode
D1: the first alignment direction
D2: the second alignment direction
D3: third alignment direction
D4: the four alignment direction
G1, G2, G3: grid
G1, g2, d: gap
IHB: stabilizer
LC: liquid crystal molecule
L1, L2: light beam
MX: display medium constituent
MX ': display medium
PI1: the first both alignment layers
PI2: the second both alignment layers
P1: the first orientation particle
P2: the second orientation particle
RM: polymerisable monomer
SL: scan line
S1, S2, S3: source electrode
T: active member
T1: first film transistor
T2: the second thin film transistor (TFT)
T3: third thin film transistor (TFT)
U, U1, U2: dot structure
V: signal generator
V1~V3: current potential
X: second direction
Y: first direction
I-I ': hatching line
Specific embodiment
Figure 1A~Fig. 1 D is the diagrammatic cross-section of the display panel manufacturing method of one embodiment of the invention.Fig. 2 be Figure 1A~
The top view of the pixel array of the display panel of Fig. 1 D.
Figure 1A is please referred to, firstly, providing first substrate 110.For example, in the present embodiment, the material of first substrate 110
Matter can be glass, quartz, organic polymer or other suitable materials, but invention is not limited thereto.
Figure 1A and Fig. 2 is please referred to, then, in formation pixel array A on first substrate 110.Pixel array A includes a plurality of number
It is electrically connected according to line DL, multi-strip scanning line SL staggered with multiple data lines DL, with multiple data lines DL and multi-strip scanning line SL
Multiple active member T, with multiple active member T be electrically connected multiple pixel electrode 170-1,170-2 and first electrode
120。
Dot structure U1 (or dot structure U2) includes active member T and the pixel being electrically connected with active member T electricity
Pole 170-1 (or pixel electrode 170-2).It is example Fig. 2 shows two neighboring dot structure U.Technology in fields of the present invention
Personnel should be understood that pixel array A actually and include multiple dot structure U of array arrangement.However, the present invention is not limited thereto,
In other embodiments, pixel array A may also comprise dot structure U and multiple other pixels different from dot structure U
Structure.In addition, Fig. 2 shows two neighboring dot structure U1, U2 structure it is identical.However, the invention is not limited thereto, other
In embodiment, the structure of two neighboring dot structure U1, U2 can also be different.
Scan line SL generally extends on second direction x.Multi-strip scanning line SL is arranged on y in a first direction.Data line
Extend on DL generally in a first direction y.Multiple data lines DL is arranged on second direction x.First direction x and second direction y
Staggeredly.For example, in the present embodiment, first direction x can be vertical with second direction y, but invention is not limited thereto.
For example, in the present embodiment, it is thin to optionally include first film transistor T1 and second by active member T
Film transistor T2, and pixel electrode 170-1,170-2 optionally include the of the opposite sides for being located at scan line SL
One pixel electrode 171 and the second pixel electrode 172.First film transistor T1 have source S 1, grid G 1, drain D 1 with
Channel C 1.The source S 1 and data line DL of first film transistor T1 is electrically connected.The grid G 1 of first film transistor T1 with
Scan line SL is electrically connected.The drain D 1 of first film transistor T1 and the first pixel electrode 171 are electrically connected.Second film
Transistor T2 has source S 2, grid G 2, drain D 2 and channel C 2.Source S 2 and data line the DL electricity of second thin film transistor (TFT) T2
Property connection.The grid G 2 and scan line SL of second thin film transistor (TFT) T2 is electrically connected.The drain D 2 of second thin film transistor (TFT) T2 with
Second pixel electrode 172 is electrically connected.
In the present embodiment, active member T optionally includes third thin film transistor (TFT) T3.Pixel array A may be selected
Property includes a plurality of second bridging line 160.A plurality of second bridging line 160 arranges on second direction x.Second bridging line 160 with it is same
The first pixel electrode 171 of one dot structure U and the overlapping of the second pixel electrode 172.Third thin film transistor (TFT) T3 has source
Pole S3, grid G 3, drain D 3 and channel C 3.In the present embodiment, the grid G 3 of third thin film transistor (TFT) T3 and scan line SL electricity
Property connection.The source S 3 of third thin film transistor (TFT) T3 and the drain D 2 of the second thin film transistor (TFT) T2 are electrically connected.Third film is brilliant
The drain D 3 of body pipe T3 and the second bridging line 160 are electrically connected.Second bridging line 160 and 171 part of the first pixel electrode weight
It is folded, to form the first coupled capacitor Cx1；Second bridging line 160 partly overlaps with the second pixel electrode 172, to form second
Coupled capacitor Cx2.First pixel electrode 171 is Chong Die with second electrode 130 (being illustrated in Figure 1A), to form the first liquid crystal capacitance
(not shown)；Second pixel electrode 172 is Chong Die with second electrode 130, to form the second liquid crystal capacitance (not shown).Driving is
When display panel 100 (being shown in Fig. 1 D) of completion, by the voltage on the second bridging line 160 of control, it can adjust and be stored in the
The quantity of electric charge of one liquid crystal capacitance be stored in the first coupled capacitor Cx1 the quantity of electric charge ratio and be stored in the second liquid crystal capacitance
The quantity of electric charge be stored in the second coupled capacitor Cx2 the quantity of electric charge ratio, and then improve colour cast (color washout) ask
Topic.However, the invention is not limited thereto, according to other embodiments, pixel array A also may not include the second bridging line 160；In addition,
Thin film transistor (TFT) quantity included by active member T is also not necessarily limited to 3, and pixel electrode 170-1 or 170-2 are also not necessarily intended to be divided into
First pixel electrode 171 and the second pixel electrode 172.
In the present embodiment, the first pixel electrode 171 includes two stem portion 171a, multiple branch portion 171b and periphery
171c.Two stem portion 171a are staggered, with define the different multiple orientation areas alignment direction d1, d2, d3, d4 (such as: four
Orientation area).Multiple branch portion 171b include multiple groups branch portion 171b, and multiple groups branch portion 171b is respectively arranged at the multiple orientation
Area.Multiple groups branch portion 171b positioned at different alignment area extends towards different alignment direction d1, d2, d3, d4 respectively.Branch portion
One end inside the first pixel electrode 171 of 171b is connected to stem portion 171a, and branch portion 171b's is sub far from first
One end inside pixel electrode 171 is connected to periphery 171c.By the mutual collocation in the multiple orientation area, it is able to achieve wide view
Angle.
In addition, in the present embodiment, there is to the multiple orientation area property of can choose of the first pixel electrode 171 phase
Same area provides substantially similar or identical display brightness at each visual angle to provide.But invention is not limited thereto, the first son
The size in the multiple orientation area of pixel electrode 171 can regard product need and adjust, the first pixel electrode 171
The multiple orientation area area be not limited to it is mutually the same.
Similarly, the second pixel electrode 172 includes two stem portion 172a, multiple branch portion 172b and periphery 172c.
Two stem portion 172a are staggered, with define the different multiple orientation areas alignment direction d1, d2, d3, d4 (such as: four orientations
Area).Multiple branch portion 172b include multiple groups branch portion 172b, and multiple groups branch portion 172b is respectively arranged at the multiple orientation area.
Multiple groups branch portion 172b positioned at different alignment area extends towards different alignment direction d1, d2, d3, d4.Branch portion 172b's leans on
One end inside nearly second pixel electrode 172 is connected to stem portion 172a, separate second pixel electrode of branch portion 172b
One end inside 172 is connected to periphery 172c.
In addition, in the present embodiment, there is to the multiple orientation area property of can choose of the second pixel electrode 172 phase
Same area provides substantially similar or identical display brightness at each visual angle to provide.But invention is not limited thereto, the second son
The size in the multiple orientation area of pixel electrode 172 can regard product need and adjust, the second pixel electrode 172
The multiple orientation area area be not limited to it is mutually the same.
Opposite two edges 170a, 170b of first electrode 120 and two adjacent pixel electrode 170-1,170-2 and adjacent
Two pixel electrode 170-1,170-2 between gap g1, g2 overlapping.For example, in the present embodiment, pixel electrode 170-
The periphery 171c of 1 the first pixel electrode 171 has edge 170a-1, the first pixel electrode of pixel electrode 170-2
171 periphery 171c has edge 170b-1, and edge 170a-1 is adjacent with edge 170b-1 and has gap g1；Pixel electrode
The periphery 172c of the second pixel electrode 172 of 170-1 has edge 170a-2, the second sub-pixel of pixel electrode 170-2
The periphery 172c of electrode 172 has edge 170b-2, and edge 170a-2 is adjacent with edge 170b-2 and has gap g2.First
Electrode 120 includes the first sub-electrode 120a and second sub electrode 120b being separated from each other, wherein the first sub-electrode 120a and edge
170a-1, edge 170b-1 and gap g1 overlapping, and second sub electrode 120b and edge 170a-2, edge 170b-2 and gap g2
Overlapping.
Pixel array A further includes a plurality of first bridging line 150, the first bridging line of wherein at least one 150 and first electrode
120 are electrically connected.First bridging line 150 generally extends on second direction x.A plurality of first bridging line 150 y in a first direction
Upper arrangement.In the present embodiment, the first bridging line 150 includes electrical with the first sub-electrode 120a and second sub electrode 120b respectively
The first sub- sub- bridging line 150b of bridging line 150a and second of connection.The first sub- sub- bridging line 150b of bridging line 150a and second can
Selectively partly overlap respectively with the first pixel electrode 171 and the second pixel electrode 172.For example, the first son is total
With the line 150a optionally peripheral portion 171c and pixel electrode with the first pixel electrode 171 of pixel electrode 170-1
The peripheral portion 171c of the first pixel electrode 171 of 170-2 partly overlaps, the second sub- bridging line 150b optionally with pixel
The second pixel electrode 172 of the peripheral portion 172c and pixel electrode 170-2 of the second pixel electrode 172 of electrode 170-1
Peripheral portion 172c partly overlaps.
Figure 1A is please referred to, then, forms the first both alignment layers PI1 on pixel array A.For example, in the present embodiment,
Alignment liquid is transferred on pixel array A using the mode that roller (roller) prints, and then forms the first both alignment layers PI1.
However, the invention is not limited thereto, in other embodiments, method of spin coating (spinning coating), ink-jet can also be used
What method (PI inkjet) or other proper methods were formed.In the present embodiment, the material of the first both alignment layers PI1 is, for example, and has
The polymer or other suitable materials of amido bond and/or imide bond, but invention is not limited thereto.
Then, second electrode 130 is optionally formed in the second substrate 140.Then, the second both alignment layers PI2 is formed,
To cover second electrode 130.The material of the second substrate 140, the method and the second both alignment layers PI2 for forming the second both alignment layers PI2
Material respectively with the material of first substrate 110, formed the first both alignment layers PI1 method and the first both alignment layers PI1 material
It is similar, it is just no longer repeated in this.
Then, display medium constituent MX is prepared.Display medium constituent MX includes multiple liquid crystal molecules LC and multiple
Polymerisable monomer (reactive monomer) RM.Polymerization reaction can occur under light illumination for multiple polymerisable monomer RM, into
And multiple orientation condensates (i.e. multiple are formed on the inner surface of first substrate 110 and/or the inner surface of the second substrate 140
One orientation particle p1 and multiple second orientation particle p2, referring to Figure 1 C).In this example it is shown that medium constituent MX is also
It can further comprise stabilizer (inhibitor) IHB, it is ripe for the first time in progress that stabilizer IHB can be avoided polymerisable monomer RM
It polymerize in advance before changing program (curing), therefore the stability of display medium constituent MX can be promoted.
Then, setting display medium constituent MX is between first substrate 110 and the second substrate 140.For example, at this
It, can be first on the first both alignment layers PI1 of first substrate 110 or first in the second both alignment layers PI2 of the second substrate 140 in embodiment
Upper coating frame glue (sealant).Then, display medium constituent MX frame glue (not shown) is instilled to enclose with the first both alignment layers PI1
In space out, or instill in the space that frame glue is crossed with the second both alignment layers PI2.And then it in close in the environment of vacuum, enables
First substrate 110 is connected with the second substrate 140 by frame glue, by display medium constituent MX be enclosed in first substrate 110 with
Between the second substrate 140.In short, in the present embodiment, liquid crystal drop-method (one drop fill can be used；ODF) filling is aobvious
Show medium constituent MX.However, the invention is not limited thereto, in other embodiments, liquid crystal injection method (LC also can be used
Injection) or other proper methods insert display medium constituent MX.
Figure 1B and Fig. 1 C is please referred to, then, carries out curing program (curing) for the first time, it includes same for curing program for the first time
Shi Jinhang the first irradiation step and apply a voltage to pixel array A and second electrode 130.As shown in Figure 1B, in the present embodiment
In, pixel array A and second electrode 130 can be electrically connected to signal generator (Function Generator) V, so that picture
Pixel array A and second electrode 130 have specified current potential.In detail, in the present embodiment, scan line SL can be enabled to have to be enough to make
The 4th current potential V4 that active member T is opened enables data line DL have the first current potential V1 (that is, enabling and data line DL electric connection
Pixel electrode 170-1,170-2 substantially have the first current potential V1), it enables second electrode 130 that there is the second current potential V2 and enables the
One electrode 120 has third current potential V3, wherein V1 < V2 < V3.For example, in the present embodiment, the electricity of third current potential V3 and second
The difference of position V2 can be greater than or equal to 5 volts.In the present embodiment, the 4th current potential V4 possessed by scan line SL can be equal to first
Current potential V1, the second current potential V2 or third current potential V3.However, the invention is not limited thereto, in other embodiments, scan line SL can also
With the other suitable potentials for being enough to open active member T.In addition, in the present embodiment, extremely being scanned in applying above-mentioned voltage
When line SL, data line DL, second electrode 130 and first electrode 120, it can also enable the second bridging line 160 that there is the first current potential V1；Also
That is, can enable the second bridging line 160 that there is current potential identical with data line DL, but invention is not limited thereto.
It is worth noting that, liquid crystal molecule LC energy under conditions of V1 < V2 < V3, positioned at each orientation area of display panel 100
With specified azimuth (azimuthal angle) and inclination angle (tile angle).
As shown in Figure 1 C, then, maintain V1 < V2 < V3 condition so that liquid crystal molecule LC have specified azimuth and
Under inclination angle, the first irradiation step is carried out.In the present embodiment, when carrying out the first irradiation step, polymerisable monomer RM can be along
The specified azimuth and inclination angle of liquid crystal molecule LC gradually polymerize and mutually separates, and in the first both alignment layers PI1 and the second orientation
Multiple first orientation particle p1 and multiple second orientation particle p2 are formed on layer PI2.Pass through the first orientation particle p1 and a second
The effect of orientation particle p2, when continuing the display panel 100 completed upon activation, liquid crystal molecule LC can tend to along polyphosphazene polymer
The orientation arrangement of object is closed, and generates desired azimuth and inclination angle, and then provide good display quality.
In the present embodiment, the wavelength of light beam L1 used in the first irradiation step can be received between 200 nanometers (nm)~450
Rice.For example, the main wavelength of light beam L1 can be 313 nanometers, the irradiation time of light beam L1 can between 0 minute to 10 minutes,
Such as: 200 seconds.The irradiation energy of light beam L1 can be between for 0 (W/cm2(the mW/cm of)~0.152), such as: 0.07 (W/cm2).So
And the invention is not limited thereto, wavelength, irradiation time and the visual actual demand of irradiation energy of light beam L1 and do other appropriate
Setting.
Fig. 1 D is please referred to, then, carries out second of curing program (curing).Second of curing program, which is included in, not to be applied
Voltage is in pixel array A and the second irradiation step of lower progress of second electrode 130.Second of curing program can promote more to remain in
Polymerisable monomer RM among liquid crystal molecule LC reacts completely, ghost (image occurs to avoid display panel 100
Sticking) problem or improvement ghost degree.Display medium MX ' shown in Fig. 1 D is aforementioned display medium constituent MX by the
The liquid retained after primary curing program and second of curing program, display medium MX ' include at least liquid crystal molecule LC.
In the present embodiment, the power of light beam L2 used in the second irradiation step and irradiation time walk greater than the first irradiation
The power of light beam L1 and irradiation time used in rapid.For example, the wavelength of light beam L2 used in the second irradiation step can
Between 200 nanometers to 450 nanometers, the main wavelength of light beam L2 can be 313 nanometers, and the irradiation time of light beam L2 can be between 0 minute
To 180 minutes, such as: 120 minutes, the irradiation energy of light beam L2 can be between 0W/cm2To 0.5W/cm2, such as: 0.3 (W/cm2)。
However, the invention is not limited thereto, wavelength, irradiation time and the visual actual demand of irradiation energy of light beam L2 and do it is other appropriate
Setting.
It is worth mentioning, is less prone to existing when carrying out above-mentioned first time curing program by V1 < V2 < V3 setting
There is black mist (sandy black fog) phenomenon described in technology, and then the display quality of display panel 100 can be promoted, such as: it is bright
Degree, reaction time etc..Cooperation Fig. 2 and Fig. 3 illustrates it below.
Fig. 3 shows the display panel of the first comparative example between between different adjacent pixel electrodes 170-1,170-2
The display panel of generated equipotential line, the second comparative example is in different adjacent pixel electrodes 170-1,170-2 under gap d
Between gap d caused by equipotential line and the display panel of one embodiment of the invention 100 in different adjacent pixels
Equipotential line caused by gap d (being plotted in Fig. 2) between electrode 170-1,170-2.
The structure of the display panel of first comparative example, the second comparative example display panel structure and one embodiment of the invention
Display panel 100 structure it is substantially the same, and in carry out above-mentioned first time cure program when each display panel first
Current potential possessed by electrode 120, adjacent pixel electrodes 170-1,170-2 and second electrode 130 is not quite similar.In addition, shown in Fig. 3
Each display panel first electrode 120, adjacent pixel electrodes 170-1,170-2 and second electrode 130 be corresponding diagram 2 hatching line
I-I’。
Table one shows the display panel of the display panel of the first comparative example, the display panel of the second comparative example and the present embodiment
100 first electrode 120, adjacent pixel electrodes 170-1,170-2 and second electrode 130 is had when carry out first cures program
Some current potentials.
| Pixel electrode 170-1,170-2 | First electrode 120 | Second electrode 130 | |
| First comparative example | V1 | V1 | V2 |
| Second comparative example | V1 | V2 | V2 |
| Embodiment | V1 | V3 | V2 |
[table one]
Please refer to table 1 enables pixel electric when the display panel of first comparative example carries out above-mentioned first time curing program
Pole 170-1,170-2 with the first current potential V1, enable first electrode 120 with the first current potential V1 and second electrode 130 enabled to have the
Two current potential V2, wherein V1 < V2.When the display panel of second comparative example carries out above-mentioned first time curing program, pixel electrode is enabled
170-1,170-2 with the first current potential V1, enable first electrode 120 and second electrode 130 that there is the second current potential V2, wherein V1 < V2.
When the display panel 100 of the present embodiment carries out above-mentioned first time curing program, pixel electrode 170-1,170-2 is enabled to have first
Current potential V1, first electrode 120 is enabled with third current potential V3 and enables second electrode 130 that there is the second current potential V2, wherein V1 < V2 < V3.
As shown in figure 3, applying a voltage to the first electrode 120 of each display panel, pixel electrode 170-1, pixel electrode
170-2 and when second electrode 130, can generate equipotential line.Equipotential line can determine inclining for the liquid crystal molecule LC in display medium MX
Direction.For example, in this embodiment, liquid crystal molecule LC is minus liquid crystal molecule；When electric field is sufficiently large, negative type liquid crystal point
The long axis of son generally can be vertical with equipotential line.
Referring to figure 2. and Fig. 3, enable pixel electrode 170-1,170-2 of the display panel of the first comparative example have current potential V1,
First electrode 120 with the first current potential V1 and second electrode 130 there is the second current potential V2 and adjacent two pixel electrodes 170-1 with
When gap between 170-2 is 8 μm, 6 μm or 4 μm, the equipotential line being distributed between adjacent two pixel electrodes 170-1,170-2 is big
It is in notching curve in cause.At this point, the length of the liquid crystal molecule LC of the gap g2 between adjacent two pixel electrodes 170-1,170-2
Axis is generally perpendicular to first substrate 110 (being shown in Fig. 1 C), and is located at pixel electrode 170-1 edge 170a-2 and pixel electrode
The long axis of liquid crystal molecule LC on the edge 170-2 170b-2 is generally toppled over towards the center of gap g2.In other words, it is located at picture
The long axis of liquid crystal molecule LC on plain electrode 170-1 edge 170a-2 and pixel electrode 170-2 edge 170b-2 will not be suitable respectively
The branch portion 172b of alignment direction d1 and pixel electrode 170-2 defined in the branch portion 172b of pixel electrode 170-1 determine
The alignment direction d2 of justice topples over, so that the liquid crystal in the orientation area where the branch portion 172b of pixel electrode 170-1,170-2
Molecule toppling direction and the lqiuid crystal molecule tipping direction on edge 170a-2,170b-2 of pixel electrode 170-1,170-2 are different
It causes, in turn results in the concealed wire (disclination line) of irregular distribution, i.e., black mist (sandy black fog) phenomenon.
Referring to figure 2. and Fig. 3, enable pixel electrode 170-1,170-2 of the display panel of the second comparative example that there is the first electricity
Position V1, first electrode 120 have the second current potential V2 and adjacent two pixel electrodes 170-1 with the second current potential V2, second electrode 130
When gap between 170-2 is 8 μm, 6 μm or 4 μm, it is distributed in the upper half in the gap of adjacent two pixel electrodes 170-1,170-2
Equipotential line be generally in slightly recessed curve.At this point, being located at pixel electrode 170-1 edge 170a-2 and pixel electrode
The long axis of liquid crystal molecule LC above the edge 170-2 170b-2 is generally toppled over towards the center of gap g2.In other words, it is located at
The long axis of liquid crystal molecule LC above pixel electrode 170-1 edge 170a-2 and pixel electrode 170-2 edge 170b-2 will not divide
The branch portion 172b of alignment direction d1 and pixel electrode 170-2 defined in branch portion 172b not along pixel electrode 170-1
Defined alignment direction d2 topples over, so that in the orientation area where the branch portion 172b of pixel electrode 170-1,170-2
Lqiuid crystal molecule tipping side above edge 170a-2,170b-2 of lqiuid crystal molecule tipping direction and pixel electrode 170-1,170-2
To inconsistent, and still it is also easy to produce black mist phenomenon.
Referring to figure 2. and Fig. 3, enable pixel electrode 170-1,170-2 of the display panel 100 of the present embodiment that there is the first electricity
Position V1, first electrode 120 have third current potential V3 and adjacent two pixel electrodes 170-1 with the second current potential V2, second electrode 130
When gap between 170-2 is 8 μm, 6 μm or 4 μm, be distributed on the gap of adjacent two pixel electrodes 170-1,170-2 etc. electricity
Bit line is generally in obvious convex curve.At this point, being located at the side pixel electrode 170-1 edge 170a-2 and pixel electrode 170-2
The long axis of liquid crystal molecule LC above edge 170b-2 generally can be respectively towards toppling over inside pixel electrode 170-1,170-2.Change speech
It, is located at the length of the liquid crystal molecule LC on pixel electrode 170-1 edge 170a-2 and pixel electrode 170-2 edge 170b-2
The branch of alignment direction d1 and pixel electrode 170-2 defined in the axis easily respectively branch portion 172b along pixel electrode 170-1
Alignment direction d2 defined in portion 172b topples over, so that the orientation where the branch portion 172b of pixel electrode 170-1,170-2
Lqiuid crystal molecule tipping direction in area inclines with the liquid crystal molecule on edge 170a-2,170b-2 of pixel electrode 170-1,170-2
Direction is consistent, and improves black mist phenomenon.
In conclusion the manufacturing method of the display panel of one embodiment of the invention includes curing program for the first time.For the first time
Curing program includes while carrying out the first irradiation step, enable data line with the first current potential V1, second electrode is enabled to have the second electricity
Position V2 and enable first electrode have third current potential V3.In particular, V1 < V2 < V3.Whereby, black mist phenomenon can be improved, and then promoted
Display panel quality.
Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, any technical field
Middle technical staff, without departing from the spirit and scope of the invention, when can make a little variation and retouching, therefore protection of the invention
Range is subject to view as defined in claim.
Claims (10)
1. a kind of manufacturing method of display panel, comprising:
In on a first substrate formed multiple data lines, multi-strip scanning line staggered with those data lines, and those data lines and
The multiple dot structures and a first electrode that those scan lines are electrically connected, wherein each dot structure includes an active member
And the pixel electrode being electrically connected with the active member, the two pixels electricity of the first electrode and adjacent two dot structure
Gap overlapping between the opposite two edges of pole and adjacent two pixel electrode；
In forming a second electrode in a second substrate；
Prepare a display medium constituent comprising multiple liquid crystal molecules and multiple polymerisable monomers, those polymerisable monomers
Polymerization reaction can occur under light illumination；
The display medium constituent is set between the first substrate and the second substrate；And
Carrying out one, curing program, first time curing program include while carrying out one first irradiation step, enabling those numbers for the first time
According to line with one first current potential V1, enable the second electrode with one second current potential V2 and enable the first electrode have a third electricity
Position V3, wherein V1 < V2 < V3.
2. the manufacturing method of display panel as described in claim 1, wherein the third current potential and the difference of second current potential are big
In or equal to 5 volts.
3. the manufacturing method of display panel as described in claim 1, wherein when carrying out the first irradiation step, adjacent this two
Pixel electrode has an earthing potential.
4. the manufacturing method of display panel as described in claim 1, wherein this cures program for the first time further include:
Carry out the first irradiation step simultaneously and enable those scan lines that there is one the 4th current potential, and the 4th current potential be equal to this
One current potential, second current potential or the third current potential.
5. the manufacturing method of display panel as described in claim 1, further includes:
Second of curing program is carried out, should cure program for second includes carrying out one second irradiation step.
6. the manufacturing method of display panel as described in claim 1, wherein an at least pixel for adjacent two pixel electrode
Electrode includes:
Multiple branch portions；And
One periphery, wherein those branch portions extend towards different directions to form multiple orientation areas, and the separate of those branch portions should
Multi-terminal link inside pixel electrode is to the periphery, and the first electrode and the periphery are least partially overlapped.
7. the manufacturing method of display panel as described in claim 1, further includes:
In forming one first bridging line on the first substrate, wherein first bridging line and the first electrode are electrically connected.
8. the manufacturing method of display panel as described in claim 1, in which:
The active member of each dot structure includes a first film transistor and one second thin film transistor (TFT), the first film
A wherein electric connection for wherein one and those scan lines of transistor and second thin film transistor (TFT) and those data lines；
The pixel electrode of each dot structure includes one first pixel electrode and one second pixel electrode, respectively with this
One thin film transistor (TFT) and second thin film transistor (TFT) are electrically connected；And
The first electrode includes one first sub-electrode and a second sub electrode, first sub-electrode and adjacent two dot structure
Two first pixel electrodes opposite two edges and adjacent two first pixel electrode between a gap overlapping, and
The opposite two edges of two second pixel electrodes of the second sub electrode and adjacent two dot structure and adjacent this two
Gap overlapping between second pixel electrode.
9. the active member of the manufacturing method of display panel as claimed in claim 8, wherein at least a dot structure also wraps
A third thin film transistor (TFT) is included, a source electrode of the third thin film transistor (TFT) electrically connects with a drain electrode of second thin film transistor (TFT)
It connects, and the manufacturing method of the display panel further include:
In forming at least one second bridging line on the first substrate, at least one second bridging line and an at least dot structure
One drain electrode of the third thin film transistor (TFT) is electrically connected, at least one second bridging line and an at least dot structure this first
Pixel electrode and second pixel electrode overlap, and first time curing program further includes enabling this at least one second total
There is first current potential with line.
10. the manufacturing method of display panel as claimed in claim 9, further includes:
One first sub- bridging line and one second sub- bridging line are formed, wherein the first sub- bridging line and the second sub- bridging line difference
It is electrically connected with first sub-electrode and the second sub electrode, those scan lines, the first sub- bridging line and second son share
Line arranges on a first direction, and those data lines are with this that at least one second bridging line arranges in a second direction.
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| CN113741108A (en) * | 2021-08-31 | 2021-12-03 | 惠科股份有限公司 | Array substrate, display panel and display device |
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Also Published As
| Publication number | Publication date |
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| TW201940946A (en) | 2019-10-16 |
| TWI666496B (en) | 2019-07-21 |
| CN110297361B (en) | 2022-03-01 |
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