CN107132705A - Spacer material, the preparation method of spacer material, display panel and display device - Google Patents
Spacer material, the preparation method of spacer material, display panel and display device Download PDFInfo
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- CN107132705A CN107132705A CN201710587587.4A CN201710587587A CN107132705A CN 107132705 A CN107132705 A CN 107132705A CN 201710587587 A CN201710587587 A CN 201710587587A CN 107132705 A CN107132705 A CN 107132705A
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- Prior art keywords
- face
- component
- spacer material
- substrate
- black matrix
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13398—Spacer materials; Spacer properties
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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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention discloses a kind of spacer material, the preparation method of spacer material, display panel and display device, and the spacer material includes：First component and second component；The first component, formed in the black matrix, the first component has two relative first end faces and second end face, and the first end face of the first component is fitted with the black matrix, the zone boundary of the first end face is overlapped with the zone boundary of the black matrix of the first end face joint place, and the area of the second end face is not more than the area of the first end face；The second component, formed in the second end face of the first component, the second component has relative the 3rd end face and the 4th end face, 3rd end face is fitted with the second end face, and zone boundary of the zone boundary without departing from the second end face of the 3rd end face, area of the area less than the 3rd end face of the 4th end face.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of spacer material, the preparation method of spacer material, display surface
Plate and display device.
Background technology
Liquid crystal display panel is the important component of liquid crystal display device, in liquid crystal display panel, mainly passes through spacer material
(Support Pillars, PS) is maintained the box of the upper and lower base plate of display panel thick, is ensured the space of liquid crystal injection with this.
When liquid crystal display panel is acted on by external force, because spacer material decrement is larger, liquid crystal cell crimp so that
Liquid crystal spreads to surrounding, causes liquid crystal display device water ripple phenomenon (pooling mura) occur.Reference picture 1, Fig. 2 and Fig. 3,
Fig. 1 for prior art a kind of spacer material structural representation, Fig. 2 be liquid crystal display device not by external force schematic diagram, Fig. 3 is liquid
Crystal device is produced pooling mura schematic diagrames by external force.In Fig. 1, spacer material 1' is formed on black matrix 2', liquid
Crystal panel by external force when not acted on, as shown in Fig. 2 being not drawn into spacer material 1'(Fig. 2, Fig. 3) maintain box thick, liquid crystal 3' is in
Between two substrates, due to there is gap between polaroid 4' in display device and the prism 5' of backlight, when exposed to external forces,
Reference picture 4, spacer material 1' is larger by external force decrement in pressing position, and liquid crystal 3' spreads to surrounding in the direction of the arrow, works as liquid
When crystalline substance is diffused into edge, the gap between the prism 5' of polaroid 4' and backlight reduces, and makes box at display device edge A' thick
Increase, causes pooling mura to produce light leakage phenomena.
The content of the invention
It is existing to solve the invention provides a kind of spacer material, the preparation method of spacer material, display panel and display device
Spacer material forced compression amount is big in technology, and liquid crystal causes the problem of pooling mura produce light leakage phenomena to surrounding diffusion.
In a first aspect, the present invention provides a kind of spacer material, it is arranged between the first substrate of display panel and second substrate,
And be formed in the black matrix of the first substrate, spacer material includes：First component and second component；
The first component, is formed in the black matrix, and the first component has two relative first end faces and the
Biend, and the first end face of the first component fits with the black matrix, the zone boundary of the first end face with it is described
The zone boundary of the black matrix of first end face joint place is overlapped, and the area of the second end face is not more than the face of the first end face
Product；
The second component, is formed in the second end face of the first component, the second component has relative the 3rd
End face and the 4th end face, the 3rd end face are fitted with the second end face, and the 3rd end face zone boundary without departing from
The zone boundary of the second end face, the area of the 4th end face is less than the area of the 3rd end face.
Alternatively, rectangular cross-section of the edge of the first component perpendicular to the first substrate direction.
Alternatively, the second component is isosceles trapezoid along the section perpendicular to the first substrate direction, and described the
Three end faces are located at the center of the second end face.
Alternatively, the zone boundary of the 3rd end face is overlapped with the zone boundary of the second end face.
Alternatively, the height of the first component is more than the height of the second component, and the height of the second component
Meet first threshold condition.
Alternatively, the material of the first component and the second component is resin.
Second aspect, the present invention provides a kind of preparation method of spacer material, including：
The first component of the spacer material is formed in the black matrix of first substrate by first time patterned process；It is described
First component has two relative first end faces and second end face, and the first end face of the first component is pasted with the black matrix
Close；
The second component of the spacer material is formed on the first component by second of patterned process；Described second
Part has relative the 3rd end face and the 4th end face, and the 3rd end face is fitted with the second end face；
Wherein, the zone boundary of the first end face and the zone boundary weight of the black matrix of the first end face joint place
Close；Zone boundary of the zone boundary without departing from the second end face of 3rd end face, the area of the 4th end face is less than
The area of 3rd end face.
Alternatively, it is described to form the of the spacer material in the black matrix of first substrate by first time patterned process
The step of one part, including：
The material and photoresist layer for making the first component are formed in the black matrix of the first substrate；
The photoresist layer is exposed and developed using the first mask plate, the shape in the black matrix of the first substrate
Into the first component, first mask plate is the mask plate for making the black matrix on the first substrate.
The third aspect, the present invention provides a kind of panel, including the first substrate and second substrate being oppositely arranged, described the
Above-mentioned spacer material is provided between one substrate and second substrate.
Fourth aspect, the present invention provides a kind of display device, including above-mentioned display panel..
Compared with prior art, the embodiment of the present invention has advantages below：
Spacer material is set to first component and second component two parts, and the first end face of the first component of spacer material
The zone boundary of black matrix fitted with it of zone boundary overlap, increase the contact area of spacer material bottom and black matrix,
Second component formation reduces the height of second component, and second component by the setting of first component on first component
The 3rd end face zone boundary be located at first component second end face zone boundary in, such structure setting is carried significantly
The support force of spacer material has been risen, has made spacer material when receiving external force, decrement is small, can solve liquid crystal causes to surrounding diffusion
The problem of pooling mura produce light leakage phenomena.
Brief description of the drawings
Fig. 1 show a kind of structural representation of spacer material of prior art；
Fig. 2 show liquid crystal display device not by external force schematic diagram；
Fig. 3 show liquid crystal display device and is produced pooling mura schematic diagrames by external force；
Fig. 4 show a kind of structural representation of spacer material of the embodiment of the present invention；
Fig. 5 a show a kind of elastic-plastic analysis figure of spacer material of prior art；
Fig. 5 b show a kind of elastic-plastic analysis figure of spacer material of the embodiment of the present invention；
Fig. 6 show compression ratio and support force under the conditions of a kind of spacer material second component different height of the embodiment of the present invention
Graph of a relation；
Fig. 7 show a kind of spacer material preparation method flow chart of the embodiment of the present invention；
Fig. 8 show the structural representation that Fig. 7 completes the spacer material of step 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other implementation acquired under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment one
Reference picture 4, is a kind of structural representation of spacer material of the embodiment of the present invention.
The spacer material is arranged between the first substrate of display panel and second substrate, and is formed at the black square of first substrate
In battle array 2, the spacer material includes first component 101 and second component 102.
First component 101 is formed in black matrix 2, and first component 101 has two relative first end faces and second end face,
And the first end face of first component 101 is fitted with black matrix 2, the zone boundary of the first end face of first component 101 is fitted with it
The zone boundary for locating black matrix 2 is overlapped, and the area of the second end face of first component 101 is not more than the area of first end face；
Second component 102 is formed in the second end face of first component 101, and second component 102 has the 3rd relative end face
With the 4th end face, the 3rd end face of second component 102 is fitted with the second end face of first component 101, the regional edge of the 3rd end face
Boundary without departing from second end face zone boundary, and the 4th end face of second component 102 area be less than the 3rd end face area.
Spacer material is set to first component 101 and the two parts of second component 102, and the first component 101 of spacer material
The zone boundary of black matrix 2 fitted with it of zone boundary of first end face overlap, increase spacer material bottom and black matrix
Contact area, second component 102 formed on first component 101, and second component is reduced by the setting of first component 101
102 height, and the area of second end face of the zone boundary without departing from first component 101 of the 3rd end face of second component 102
Domain border, such structure setting greatly improves the support force of spacer material, makes spacer material when receiving external force, decrement is small,
Liquid crystal can be solved causes the problem of pooling mura produce light leakage phenomena to surrounding diffusion.
Further, as shown in figure 4, the edge of first component 101 perpendicular to first substrate direction rectangular cross-section, first
The shape of part 101 can be identical with the shape of black matrix 2；Second component 102 is along perpendicular to the interface in first substrate direction
Isosceles trapezoid, and second component 102 the 3rd end face be located at first component 101 second end face center.Alternatively,
The zone boundary of 3rd end face of two parts 102 can be overlapped with the zone boundary of the second end face of first component 101, so be tied
The stabilized soil pavement being provided with beneficial to the whole spacer material entirety of enhancing of structure.
The elastic-plastic analysis figure of reference picture 5a, Fig. 5 b, respectively prior art and the present embodiment spacer material, wherein horizontal sit
Decrement (Depth) is designated as, ordinate is stress size (Force).In the contact area phase of two kinds of spacer materials and second substrate
With in the case of, two figures of contrast are understood, spacer material provided in an embodiment of the present invention, when by outer force compresses, there is preferably extensive
Reactivation power, and decrement is small.Plasticity ratio significantly declines in spacer material provided in an embodiment of the present invention, almost all compression unit
Divide and all bear external force, therefore with higher support force, be difficult to be compressed.
Reference picture 6, is the compression ratio of second component highly different spacer material in the case of spacer material total height identical
With the graph of a relation of support force, wherein abscissa is compression ratio (Δ PSH), and ordinate is support force (f).It was found from being analyzed from figure,
When the timing of decrement one, the height of second component is smaller, and the support force of spacer material is bigger.Therefore, by setting up first component 101
To reduce the height of second component 102, and then strengthen the support force of spacer material.Further, first component 101 is highly desirable
Height more than the height of second component 102, and second component 102 meets first threshold condition to ensure that it is larger that spacer material has
Support force, alternatively, the height of spacer material is 3um, then the threshold condition that the height (PSH2) of second component is met is 0.5um
≤ PSH2 ＜ 1.5um.
The first component of above-mentioned spacer material and the material of second component are conventional resin material.
By the above, the embodiment of the present invention includes advantages below：
Spacer material is set to first component and second component two parts, and the first end face of the first component of spacer material
The zone boundary of black matrix fitted with it of zone boundary overlap, increase the contact area of spacer material bottom and black matrix,
Second component formation reduces the height of second component, and second component by the setting of first component on first component
The 3rd end face zone boundary be located at first component second end face zone boundary in, such structure setting is carried significantly
The support force of spacer material has been risen, has made spacer material when by external force, decrement is small, can solve liquid crystal causes to surrounding diffusion
The problem of pooling mura produce light leakage phenomena.
Embodiment two
Reference picture 7, is a kind of preparation method flow chart of spacer material of the embodiment of the present invention.
Step 1, first of the spacer material is formed in the black matrix of first substrate by first time patterned process
Part.
The first component has a relative first end face and second end face, and the first end face of the first component with it is described
Black matrix is fitted.
Specifically include procedure below：
The photoresist layer for making first component is formed in the black matrix of first substrate；
Photoresist layer is exposed and developed using the first mask plate, first is formed in the black matrix of first substrate
Part, wherein, the first mask plate is the mask plate for making the black matrix on first substrate.
So it is exposed using the mask plate of black matrix come the photoresist layer to first component and making first of developing
Part, it is ensured that the zone boundary of the first end face of first component is overlapped with the zone boundary of the black matrix of first end face joint place,
Fitting area is big, strengthens the support force of spacer material.
Shown in the structural representation reference picture 8 of the spacer material formed after the completion of the step.
Step 2, the second component of the spacer material is formed on the first component by second of patterned process.
Second component has relative the 3rd end face and the 4th end face, and the 3rd end face is fitted with the second end face of first component,
Wherein, zone boundary of the zone boundary without departing from the second end face of first component of the 3rd end face of second component, second component
The 4th end face area be less than the 3rd end face area.
The forming process of second component is same as the prior art, will not be repeated here.
After the completion of step 2, shown in the structural representation reference picture 4 of the spacer material of formation.
By the above, the embodiment of the present invention includes advantages below：
The photoresist layer of first component is exposed using the first mask plate and black matrix mask plate and making of developing
One part, it is ensured that the zone boundary of the first end face of first component and the zone boundary weight of the black matrix of first end face joint place
Close, fitting area is big, and by the setting of first component, reduce the height of second component, such structure can effectively strengthen
The support force of spacer material, makes spacer material when by external force, decrement is small, and can solve liquid crystal causes to surrounding diffusion
The problem of pooling mura produce light leakage phenomena.
The embodiment of the present invention additionally provides a kind of display panel, including the first substrate and second substrate being oppositely arranged,
The spacer material of above-described embodiment is provided between first substrate and second substrate.
The embodiment of the present invention additionally provides a kind of display device, including above-mentioned display panel.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.For system embodiment
For, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also include being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of spacer material, is arranged between the first substrate of display panel and second substrate, and is formed at the first substrate
Black matrix on, it is characterised in that the spacer material includes：First component and second component；
The first component, is formed in the black matrix, the first component has two relative first end faces and the second end
Face, and the first end face of the first component fits with the black matrix, the zone boundary of the first end face and described first
The zone boundary of the black matrix of end face joint place is overlapped, and the area of the second end face is not more than the area of the first end face；
The second component, is formed in the second end face of the first component, the second component has the 3rd relative end face
With the 4th end face, the 3rd end face is fitted with the second end face, and the 3rd end face zone boundary without departing from described
The zone boundary of second end face, the area of the 4th end face is less than the area of the 3rd end face.
2. spacer material according to claim 1, it is characterised in that the edge of the first component is perpendicular to the first substrate
The rectangular cross-section in direction.
3. spacer material according to claim 2, it is characterised in that the second component is along perpendicular to the first substrate side
To section be isosceles trapezoid, and the 3rd end face be located at the second end face center.
4. spacer material according to claim 3, it is characterised in that the zone boundary of the 3rd end face and second end
The zone boundary in face is overlapped.
5. spacer material according to claim 1, it is characterised in that the height of the first component is more than the second component
Height, and the height ratio of the first component and the second component meets first threshold condition.
6. the spacer material according to claim any one of 1-5, it is characterised in that the first component and the second component
Material be resin.
7. a kind of preparation method of spacer material, it is characterised in that including：
The first component of the spacer material is formed in the black matrix of first substrate by first time patterned process；Described first
Part has two relative first end faces and second end face, and the first end face of the first component is fitted with the black matrix；
The second component of the spacer material is formed on the first component by second of patterned process；The second component
There is relative the 3rd end face and the 4th end face, the 3rd end face is fitted with the second end face；
Wherein, the zone boundary of the first end face is overlapped with the zone boundary of the black matrix of the first end face joint place；Institute
State zone boundary of the zone boundary without departing from the second end face of the 3rd end face, the area of the 4th end face is less than described the
The area of three end faces.
8. the preparation method of spacer material according to claim 7, it is characterised in that described to pass through first time patterned process
The step of first component of the spacer material is formed in the black matrix of first substrate, including：
The material and photoresist layer for making the first component are formed in the black matrix of the first substrate；
The photoresist layer is exposed and developed using the first mask plate, institute is formed in the black matrix of the first substrate
First component is stated, first mask plate is the mask plate for making the black matrix on the first substrate.
9. a kind of display panel, including the first substrate and second substrate being oppositely arranged, it is characterised in that in the first substrate
Set between second substrate just like the spacer material described in claim any one of 1-6.
10. a kind of display device, it is characterised in that including the display panel described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587587.4A CN107132705A (en) | 2017-07-18 | 2017-07-18 | Spacer material, the preparation method of spacer material, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587587.4A CN107132705A (en) | 2017-07-18 | 2017-07-18 | Spacer material, the preparation method of spacer material, display panel and display device |
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| CN107132705A true CN107132705A (en) | 2017-09-05 |
Family
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| CN201710587587.4A Pending CN107132705A (en) | 2017-07-18 | 2017-07-18 | Spacer material, the preparation method of spacer material, display panel and display device |
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