CN106324917A - Liquid crystal display panel and method for forming liquid crystal display panel - Google Patents
Liquid crystal display panel and method for forming liquid crystal display panel Download PDFInfo
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- CN106324917A CN106324917A CN201510364752.0A CN201510364752A CN106324917A CN 106324917 A CN106324917 A CN 106324917A CN 201510364752 A CN201510364752 A CN 201510364752A CN 106324917 A CN106324917 A CN 106324917A
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- substrate
- spacer units
- cover layer
- display area
- liquid crystal
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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
-
- 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
- G02F1/13396—Spacers having different sizes
Abstract
The invention discloses a liquid crystal display panel and a method for forming the liquid crystal display panel. The liquid crystal display panel includes a first substrate, wherein the first substrate includes a display area and a non-display area; a colorful filtering layer which is formed in the display area of the first substrate; a covering layer which covers the colorful filtering layer; a plurality of first spacing units which are formed on the covering layer in the display area; a plurality of second spacing units which are formed in the non-display area of the first substrate; an alignment film which is formed on the covering layer, the plurality of first spacing units and the plurality of second spacing units; and a second substrate which is arranged on a corresponding position of the first substrate, wherein a distance between the tops of the plurality of first spacing units and the first substrate is greater than a distance between the tops of the plurality of second spacing units and the first substrate. The liquid crystal display panel and the method for forming liquid crystal display panel can prevent falling off of the alignment film due to friction.
Description
Technical field
The present invention relates to the forming method of a kind of display panels and display panels, particularly relate to
A kind of display panels avoiding alignment film to come off because of friction and the forming method of display panels.
Background technology
In the processing procedure of display panels, the upper substrate of display panels or infrabasal plate can be formed
Multiple spacer units, support in order to provide between upper substrate and infrabasal plate.In the prior art, liquid crystal
The spacer units of display floater is formed on same plane.But, in display panels slimming
In process of lapping, the spacer units being formed in the non-display area at display panels edge can be with another base
Alignment film friction on plate, causes alignment film to come off, and then affects outward appearance and the image of display panels
Quality.
Summary of the invention
The technical problem to be solved is: in order to make up the deficiencies in the prior art, it is provided that a kind of liquid
LCD panel, including a first substrate, including a viewing area and a non-display area；One chromatic filter layer,
It is formed in the described viewing area on described first substrate；One cover layer, is covered in described chromatic filter layer
On；Multiple first spacer units, are formed on the described cover layer in described viewing area；Between multiple second
Every unit, it is formed in the described non-display area on described first substrate；One alignment film, is formed at described
On cover layer, the plurality of first spacer units and the plurality of second spacer units；One second substrate,
It is arranged at the opposite position of described first substrate；And multiple liquid crystal electrode, it is formed at described second substrate
On；The top of wherein said multiple first spacer units is more than the plurality of to the distance of described first substrate
The top of the second spacer units is to the distance of described first substrate.
The present invention also provides for the forming method of a kind of display panels, including formed a chromatic filter layer in
In a viewing area on one first substrate；Form a cover layer on described chromatic filter layer；Formed multiple
On first spacer units described cover layer in described viewing area, and formed multiple second spacer units in
In described non-display area on described first substrate；Form an alignment film in described cover layer, the plurality of
On first spacer units and the plurality of second spacer units；Form multiple liquid crystal electrode in a second substrate
On；And combine described first substrate and described second substrate；The top of wherein said multiple first spacer units
Portion is more than the top of the plurality of second spacer units to described first substrate to the distance of described first substrate
Distance.
Accompanying drawing explanation
Fig. 1 is the display panels first embodiment of the present invention schematic diagram before combination.
Fig. 2 is the display panels first embodiment of the present invention schematic diagram after combination.
Fig. 3 is the schematic diagram of display panels the second embodiment of the present invention.
Fig. 4 is the schematic diagram of display panels the 3rd embodiment of the present invention.
Fig. 5 is the flow chart of the forming method of display panels of the present invention.
Wherein, description of reference numerals is as follows:
110 first substrates
112 chromatic filter layers
The bottom of 113 first spacer units
The bottom of 114 second spacer units
The top of 115 first spacer units
The top of 116 second spacer units
117 first cover layers
118 first alignment films
120 second substrates
122 liquid crystal electrodes
124 second cover layers
126 second alignment films
130 liquid crystal layers
PS1 the first spacer units
PS2 the second spacer units
The height of H1 the first spacer units
The height of H2 the second spacer units
200 flow charts
210 to 260 steps
Detailed description of the invention
Please also refer to Fig. 1 and Fig. 2.Fig. 1 is the display panels of the present invention schematic diagram before combination.
Fig. 2 is the display panels of the present invention schematic diagram after combination.As it can be seen, liquid crystal display of the present invention
Panel includes first substrate 110 and a second substrate 120.First substrate 110 includes a viewing area AA
And a non-display area NA.Second substrate 120 is disposed on the opposite position of first substrate 110.First
A chromatic filter layer 112 it is formed with in viewing area AA on substrate 110.Chromatic filter layer 112 can include
Multiple optical filtering blocks (such as red filter block, green filter block, blue filter block) and multiple screening
Light block.Optical filtering block is to filter light, and shading block is to intercept light.Chromatic filter layer
One first cover layer (over coating layer, OC layer) 117, the first cover layer 117 it is also formed with on 112
A flat surfaces can be formed in the AA of viewing area.In the present embodiment, the first cover layer 117 is to keep away
The ion exempting from chromatic filter layer 112 enters the protective layer that liquid crystal layer 130 pollutes, and can be as flat
Smooth layer, makes liquid crystal arrangement not affected by the angle offset of RGB color photoresistance in chromatic filter layer 112, to keep away
Exempt from liquid crystal arrangement inequality and cause light leak.The material of the first cover layer 117 can be transparent resin material (example
Such as epoxy resin or acryl resin), but be not limited.It addition, multiple first spacer units PS1 are
It is formed on the cover layer 117 in the AA of viewing area, and multiple second spacer units PS2 is formed at
In non-display area NA on one substrate 110.Owing to the first spacer units PS1 is formed at the first covering
On layer 117, therefore the bottom 113 of the first spacer units PS1 to the distance of first substrate 110 more than the
The bottom 114 of two spacer units PS2 is to the distance of first substrate 110.One first alignment film 118 can enter
One step is formed on cover layer the 117, first spacer units PS1 and the second spacer units PS2.The opposing party
Face, multiple liquid crystal electrodes 122 are formed on second substrate 120, and liquid crystal electrode 122 can be face inscribe
Remodel (In-Plane Switching, IPS) liquid crystal electrode or boundary electric field switch type (Fringe Field
Switching, FFS) liquid crystal electrode.One second cover layer 124 it is also formed with on liquid crystal electrode 122, second
Cover layer 124 can form a flat surfaces on second substrate 120.One second alignment film 126 is formed at
On second cover layer 124.When first substrate 110 and second substrate 120 are mutually combined, liquid crystal material
The space between first substrate 110 and second substrate 120 can be filled in further, to form a liquid crystal layer
130.After forming liquid crystal layer 130, liquid crystal electrode 122 can apply a voltage to liquid crystal layer 130, to drive
Hydrodynamic crystalline substance rotates, and then display image.
Specifically be in the present embodiment, first substrate 110 is the colour in display panels
Filter layer substrate, and second substrate 120 is thin film transistor (TFT) (the Thin Film in display panels
Transistor, TFT) array base palte.Thus while Fig. 1 and 2 does not illustrates is arranged at the thin of second substrate 120
Film transistor, precisely because known by this technical field tool usually intellectual, therefore in Fig. 1 and 2 no longer
Illustrate.Additionally, for in-plane switching type (IPS) display panels, the liquid crystal electrode 122 of Fig. 1 and 2
For the pixel electrode (pixel electrode) being crisscross arranged and common electrode (common electrode).For limit
Boundary's electric field switch type (FFS) display panels, the liquid crystal electrode 122 of Fig. 1 and 2 is pixel electrode, and
Common electrode is then arranged at relatively pixel electrode closer to (figure does not illustrates) at second substrate 120.
According to above-mentioned configuration, the distance of top 115 to the first substrate 110 of the first spacer units PS1 is big
Distance in top 116 to the first substrate 110 of the second spacer units PS2, say, that the second base
Distance between the top 116 of the second spacer units PS2 in plate 120 and non-display area NA is more than the
Distance between the top 115 of the first spacer units PS1 in two substrates 120 and viewing area AA, because of
This is in the process of lapping of display panels slimming, is positioned at non-display area NA on first substrate 110
Alignment film 118 above the top 116 of the second interior spacer units PS2 is less susceptible to and second substrate 120
Alignment film 126 rub, to avoid alignment film 118,126 to come off, affect the outward appearance of display panels
And image quality.
It addition, in the above-described embodiments, the first cover layer 117 is formed in part non-display area NA, and
Second spacer units PS2 is formed at not to be had in the part non-display area NA of the first cover layer 117.Lift
For example, after forming the first cover layer 117, in non-display area NA, correspondence is intended to form the second interval list
The first cover layer meeting 117 in the region of unit PS2 is etched, with corresponding in removing non-display area NA completely
It is intended to be formed first cover layer 117 in the region of the second spacer units PS2.Next Fig. 3 please be join, at this
In other embodiments bright, the first cover layer 117 can also be formed in non-display area NA, and between second
On the first cover layer 117 in unit PS2 is formed at non-display area NA, wherein the first cover layer
117 upper level in the AA of viewing area are above the first cover layer 117 in non-display area NA
Upper level.For example, when forming the first cover layer, first formed in non-display area NA
Cover layer can be partially etched, so that the upper level that the first cover layer is in the AA of viewing area is higher than the
One cover layer is the corresponding upper surface height being intended to form the region of the second spacer units PS2 in non-display area NA
Degree.
At this specifically, though above-described embodiment with in-plane switching type (In-Plane Switching,
IPS) display panels or boundary electric field switch type (Fringe Field Switching, FFS) LCD
Plate illustratively, but is not limited, the present invention also can apply to turn round to digit group type (Twisted Nematic,
TN) display panels, multi-domain perpendicular alignment-type (Multi-domain Vertical Alignment, MVA)
Panel of LCD or semi-transparent semi-reflecting (transflective) panel of LCD.For example, altogether
Same electrode (common electrode) can be formed on the first cover layer 117, and the first spacer units PS1
Being formed on the first cover layer 117 and the common electrode of storehouse, the first alignment film 118 is formed at further
On cover layer 117, common electrode, the first spacer units PS1 and the second spacer units PS2.And it is multiple
Pixel electrode (pixel electrode) is then formed on second substrate 120, and pixel electrode is also formed with one
Two cover layers 124, the second cover layer 124 can form a flat surfaces on second substrate 120.One
Two alignment films 126 are formed on the second cover layer 124.
That is, for having the display panels of the first cover layer 117, the present invention can utilize
First cover layer 117 has different upper level (or in the zones of different of first substrate 110
One region of one substrate 110 forms the first cover layer 117, and another region is then without the first cover layer 117), will
First spacer units PS1 is formed on the first cover layer 117 that upper surface is higher, and by single for the second interval
Unit PS2 is formed on the first cover layer 117 that upper surface is relatively low (or does not has the district of the first cover layer 117
Territory) so that the distance of top 115 to the first substrate 110 of the first spacer units PS1 is more than the second interval
The distance of top 116 to the first substrate 110 of unit PS2, say, that second substrate 120 and non-
Distance between the top 116 of the second spacer units PS2 in the NA of viewing area is more than second substrate 120
And the distance between the top 115 of the first spacer units PS1 in the AA of viewing area.Therefore, the present invention
Can be applicable to colorized optical filtering laminar substrate and there is the display panels of cover layer.
Specifically, because the first spacer units PS1 of the present invention is formed at viewing area AA
In cover layer 117 on so that the bottom of the first spacer units PS1 113 to first substrate 110 away from
From the distance of the bottom 114 more than the second spacer units PS2 to first substrate 110, therefore liquid crystal display
Height H1 and H2 of the first spacer units PS1 and the second spacer units PS2 of panel can identical or
Difference, as long as the distance that can reach top 115 to the first substrate 110 of the first spacer units PS1 is big
Distance (or second substrate 120 He in top 116 to the first substrate 110 of the second spacer units PS2
Distance between the top 116 of the second spacer units PS2 in non-display area NA is more than second substrate 120
And the distance between the top 115 of the first spacer units PS1 in the AA of viewing area).Therefore originally
The first spacer units PS1 and the second spacer units PS2 of embodiment can use that to have identical light shield opening saturating
The light of light rate covers in same processing procedure and concurrently forms, to reduce production cost and to simplify processing procedure.
Next refer to Fig. 4, in another embodiment of the invention, can by the first cover layer 117 with
Time be formed in viewing area AA and non-display area NA, wherein the first cover layer 117 at viewing area AA and
There is in non-display area NA identical upper level, be subsequently formed a minus photoresist layer and be formed at first
On substrate 110 and the first cover layer 117, next it is intended to form the first interval to correspondence in photoresist layer with light shield
Unit PS1 and the regional exposure of the second spacer units PS2, wherein light shield is halftone mask (halftone
And be positioned at the second light shield opening light transmittance corresponding for spacer units PS2 of non-display area NA mask),
The light shield opening light transmittance corresponding for spacer units PS1 less than first in the AA of viewing area so that between first
It is more than the height H2 of the second spacer units PS2 every the height H1 of unit PS1, and then makes the first interval
The bottom 114 of the bottom 113 and the second spacer units PS2 of unit PS1 is positioned at sustained height, and first
The distance of top 115 to the first substrate 110 of the spacer units PS1 top more than the second spacer units PS2
The distance of portion's 116 to first substrate, say, that in second substrate 120 and non-display area NA
Distance between the top 116 of two spacer units PS2 is more than in second substrate 120 and viewing area AA
Distance between the top 115 of the first spacer units PS1.
It it is flow process Figure 200 of the forming method of display panels of the present invention referring next to Fig. 5, Fig. 5.
Flow process such as the following step of the pixel forming method of display panels of the present invention:
Step 210: formed in a chromatic filter layer viewing area on a first substrate；
Step 220: form a cover layer on described chromatic filter layer；
Step 230: formed on multiple first spacer units described cover layer in described viewing area, and formed
In multiple second spacer units described non-display area on described first substrate；
Step 240: form an alignment film in described cover layer, the plurality of first spacer units and the plurality of
On second spacer units；
Step 250: form multiple liquid crystal electrode on a second substrate；And
Step 260: combining described first substrate and described second substrate, wherein a liquid crystal layer is positioned at this first substrate
And between this second substrate.
It addition, in the methods of the invention, above-mentioned steps be not necessarily to according to flow process Figure 200 perform suitable
Sequence.In other words, the order of above-mentioned steps can change, and other steps can also be between above-mentioned steps
Between.For example, step 210～240 (such as colored filter product line) can be carried out in one produces line, and
Step 250 can be produced line (such as TFT array produces line) at another and be carried out, and step 260 is last then at another product
Line (such as Cell produces line) is carried out.Because step 210～240 and step 250 respectively difference produce line carry out,
The most not sequentially carry out with step 210～250.
Compared to prior art, display panels of the present invention adds second substrate 120 and non-display area
The distance between the second spacer units PS2 in NA, to avoid alignment film to come off because of friction, impact
The outward appearance of display panels and image quality.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this
For the technical staff in field, the present invention can have various modifications and variations.All spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a display panels, it is characterised in that including:
One first substrate, including a viewing area and a non-display area；
One chromatic filter layer, is formed in the described viewing area on described first substrate；
One cover layer, is covered on described chromatic filter layer；
Multiple first spacer units, are formed on the described cover layer in described viewing area；
Multiple second spacer units, are formed in the described non-display area on described first substrate；
One alignment film, is formed at described cover layer, the plurality of first spacer units and the plurality of
On two spacer units；And
One second substrate, is arranged at the opposite position of described first substrate；
The top of wherein said multiple first spacer units is more than described to the distance of described first substrate
The top of multiple second spacer units is to the distance of described first substrate.
2. display panels as claimed in claim 1, it is characterised in that the plurality of first spacer units
Bottom to the distance of described first substrate more than the bottom of the plurality of second spacer units to described
The distance of first substrate.
3. display panels as claimed in claim 1, it is characterised in that the plurality of second spacer units
And not there is between described first substrate described cover layer.
4. display panels as claimed in claim 1, it is characterised in that described cover layer is in described display
Upper level in district is above described cover layer upper level in described non-display area,
And the plurality of second spacer units is on the described cover layer in described non-display area.
5. display panels as claimed in claim 1, it is characterised in that described cover layer is in described display
Upper level in district is equal to described cover layer upper level in described non-display area,
And the height of the plurality of second spacer units is less than the height of the plurality of first spacer units
Degree.
6. the forming method of a display panels, it is characterised in that including:
Formed in a chromatic filter layer viewing area on a first substrate；
Form a cover layer on described chromatic filter layer；
Formed on multiple first spacer units described cover layer in described viewing area, and formed multiple
In second spacer units non-display area on described first substrate；
Form an alignment film in described cover layer, the plurality of first spacer units and the plurality of second
On spacer units；
Form multiple liquid crystal electrode on a second substrate；And
Combine described first substrate and described second substrate；
The top of wherein said multiple first spacer units is more than described to the distance of described first substrate
The top of multiple second spacer units is to the distance of described first substrate.
7. method as claimed in claim 6, it is characterised in that the plurality of first spacer units and described many
Individual second spacer units is simultaneously formed.
8. method as claimed in claim 6, it is characterised in that also include formation in described non-display area
Described cover layer is etched, and is intended to be formed the plurality of all removing correspondence in described non-display area
The described cover layer in the region of the second spacer units.
9. method as claimed in claim 6, it is characterised in that also include formation in described non-display area
Described cover layer is partially etched, so that the upper surface that described cover layer is in described viewing area is high
Degree is above described cover layer corresponding region being intended to be formed the second spacer units in described non-display area
Upper level.
10. method as claimed in claim 6, it is characterised in that the plurality of first spacer units and described many
Individual second spacer units is to be formed by halftone mask.
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| CN201510364752.0A CN106324917B (en) | 2015-06-26 | 2015-06-26 | The forming method of liquid crystal display panel and liquid crystal display panel |
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| CN201510364752.0A CN106324917B (en) | 2015-06-26 | 2015-06-26 | The forming method of liquid crystal display panel and liquid crystal display panel |
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| CN103676259A (en) * | 2012-09-10 | 2014-03-26 | 群康科技(深圳)有限公司 | Liquid crystal display device |
| CN103353693A (en) * | 2013-06-14 | 2013-10-16 | 昆山龙腾光电有限公司 | Liquid crystal display device and manufacturing method thereof |
| CN104317111A (en) * | 2014-10-14 | 2015-01-28 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
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