CN106324917B - The forming method of liquid crystal display panel and liquid crystal display panel - Google Patents
The forming method of liquid crystal display panel and liquid crystal display panel Download PDFInfo
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- CN106324917B CN106324917B CN201510364752.0A CN201510364752A CN106324917B CN 106324917 B CN106324917 B CN 106324917B CN 201510364752 A CN201510364752 A CN 201510364752A CN 106324917 B CN106324917 B CN 106324917B
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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
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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)
- Liquid Crystal (AREA)
Abstract
The invention discloses the forming method of a kind of liquid crystal display panel and liquid crystal display panel, which includes a first substrate, including a viewing area and a non-display area；One chromatic filter layer is formed in the viewing area on the first substrate；One coating is covered on the chromatic filter layer；Multiple first spacer units are formed on the coating in the viewing area；Multiple second spacer units are formed in the non-display area on the first substrate；One alignment film is formed on the coating, the multiple first spacer units and the multiple second spacer units；And a second substrate, it is set to the opposite position of the first substrate；Wherein the distance of the top of the multiple first spacer units to the first substrate is greater than the top of the multiple second spacer units to the distance of the first substrate.The present invention can fall off to avoid alignment film because of friction.
Description
Technical field
The present invention relates to the forming methods of a kind of liquid crystal display panel and liquid crystal display panel, can keep away more particularly to one kind
Exempt from the forming method of liquid crystal display panel and liquid crystal display panel that alignment film falls off by friction.
Background technique
In the processing procedure of liquid crystal display panel, multiple intervals are will form on the upper substrate or lower substrate of liquid crystal display panel
Unit, to provide support between upper substrate and lower substrate.In the prior art, the spacer units of liquid crystal display panel are shapes
At in the same plane.However, being formed in liquid crystal display panel edge in the process of lapping of liquid crystal display panel slimming
Spacer units in non-display area can cause alignment film to fall off, and then influence liquid crystal with the alignment film friction on another substrate
Show the appearance and image quality of panel.
Summary of the invention
The technical problems to be solved by the present invention are: in order to make up for the deficiencies of the prior art, providing a kind of LCD display
Plate, including a first substrate, including a viewing area and a non-display area；One chromatic filter layer is formed on the first substrate
The viewing area in；One coating is covered on the chromatic filter layer；Multiple first spacer units are formed in described aobvious
Show on the coating in area；Multiple second spacer units are formed in the non-display area on the first substrate；One
Alignment film is formed on the coating, the multiple first spacer units and the multiple second spacer units；One second base
Plate is set to the opposite position of the first substrate；And multiple liquid crystal electrodes, it is formed in the second substrate；Wherein institute
The distance for stating top to the first substrate of multiple first spacer units is arrived greater than the top of the multiple second spacer units
The distance of the first substrate.
The present invention also provides a kind of forming methods of liquid crystal display panel, including form a chromatic filter layer in one first base
In a viewing area on plate；A coating is formed on the chromatic filter layer；Multiple first spacer units are formed in described aobvious
Show on the coating in area, and forms multiple second spacer units in the non-display area on the first substrate；
An alignment film is formed on the coating, the multiple first spacer units and the multiple second spacer units；It is formed more
A liquid crystal electrode is in a second substrate；And combine the first substrate and the second substrate；Wherein between the multiple first
Distance every the top of unit to the first substrate is greater than the top of the multiple second spacer units to the first substrate
Distance.
Detailed description of the invention
Fig. 1 is schematic diagram of the liquid crystal display panel first embodiment of the present invention before combination.
Fig. 2 is schematic diagram of the liquid crystal display panel first embodiment of the present invention after combination.
Fig. 3 is the schematic diagram of liquid crystal display panel second embodiment of the present invention.
Fig. 4 is the schematic diagram of liquid crystal display panel 3rd embodiment of the present invention.
Fig. 5 is the flow chart of the forming method of liquid crystal display panel of the present invention.
Wherein, the reference numerals are 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 coatings
118 first alignment films
120 the second substrates
122 liquid crystal electrodes
124 second coatings
126 second alignment films
130 liquid crystal layers
The first spacer units of PS1
The second spacer units of PS2
The height of the first spacer units of H1
The height of the second spacer units of H2
200 flow charts
210 to 260 steps
Specific embodiment
It please also refer to Fig. 1 and Fig. 2.Fig. 1 is schematic diagram of the liquid crystal display panel of the present invention before combination.Fig. 2 is this hair
Schematic diagram of the bright liquid crystal display panel after combination.As shown, liquid crystal display panel of the present invention include a first substrate 110 and
One the second substrate 120.First substrate 110 includes an a viewing area AA and non-display area NA.The second substrate 120 is to be set to first
The opposite position of substrate 110.A chromatic filter layer 112 is formed in viewing area AA on first substrate 110.Chromatic filter layer
112 may include multiple optical filtering blocks (such as red filter block, green filter block, blue filter block) and multiple shading regions
Block.Optical filtering block is to filter light, and shading block is to obstruct light.One is also formed on chromatic filter layer 112
One coating (over coating layer, OC layer) 117, the first coating 117 can be in one flat tables of formation in the AA of viewing area
Face.In the present embodiment, the first coating 117 is to cause dirt in order to avoid the ion of chromatic filter layer 112 enters liquid crystal layer 130
The protective layer of dye, and can be used as flatness layer, make angle offset of the liquid crystal arrangement not by RGB color photoresist in chromatic filter layer 112
It influences, causes light leakage to avoid liquid crystal arrangement unevenness.The material of first coating 117 can for transparent resin material (such as
Epoxy resin or acryl resin), but not limited to this.In addition, multiple first spacer units PS1 are formed in the AA of viewing area
Coating 117 on, and multiple second spacer units PS2 are formed in the non-display area NA on first substrate 110.Due to
One spacer units PS1 is formed on the first coating 117, therefore first substrate is arrived in the bottom 113 of the first spacer units PS1
The distance of first substrate 110 is arrived in bottom 114 of 110 distance greater than the second spacer units PS2.One first alignment film 118 can be into
One step is formed on coating 117, the first spacer units PS1 and the second spacer units PS2.On the other hand, multiple liquid crystal electrodes
122 are formed in the second substrate 120, and liquid crystal electrode 122 can be in-plane switching (In-Plane Switching, IPS) liquid
Brilliant electrode or boundary electric field switch type (Fringe Field Switching, FFS) liquid crystal electrode.Shape is gone back on liquid crystal electrode 122
The second coating of Cheng Youyi 124, the second coating 124 can be in forming a flat surfaces in the second substrate 120.One second alignment film
126 are formed on the second coating 124.When first substrate 110 and the second substrate 120 are combined with each other, liquid crystal material can be into one
Step is filled in the gap between first substrate 110 and the second substrate 120, to form a liquid crystal layer 130.When formation liquid crystal layer 130
Later, liquid crystal electrode 122 can apply a voltage to liquid crystal layer 130, to drive liquid crystal to rotate, and then show image.
Specifically be that in the present embodiment, first substrate 110 is the chromatic filter layer base in liquid crystal display panel
Plate, and the second substrate 120 is thin film transistor (TFT) (Thin Film Transistor, TFT) array base in liquid crystal display panel
Plate.Thus while Fig. 1 and 2 is not painted the thin film transistor (TFT) for being set to the second substrate 120, precisely because have for the technical field usual
Known by skill, therefore no longer it is painted in Fig. 1 and 2.In addition, for in-plane switching (IPS) liquid crystal display panel, Fig. 1 and 2
Liquid crystal electrode 122 be the pixel electrode (pixel electrode) and common electrode (common being staggered
electrode).For boundary electric field switch type (FFS) liquid crystal display panel, the liquid crystal electrode 122 of Fig. 1 and 2 is pixel electrode,
And common electrode is then set to compared with pixel electrode closer to (figure is not painted) at the 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 greater than the second interval
The top 116 of unit PS2 to first substrate 110 distance, that is to say, that second in the second substrate 120 and non-display area NA
The distance between top 116 of spacer units PS2 is greater than the first spacer units PS1's in the second substrate 120 and viewing area AA
The distance between top 115, therefore in the process of lapping of liquid crystal display panel slimming, it is located at non-aobvious on first substrate 110
Show that the alignment film 118 of 116 top of top of the second spacer units PS2 in area NA is less susceptible to the alignment film with the second substrate 120
126 frictions, fall off to avoid alignment film 118,126, influence the appearance and image quality of liquid crystal display panel.
In addition, in the above-described embodiments, the first coating 117 is formed in the non-display area NA of part, and the second interval
Unit PS2 is formed in the part non-display area NA for not having the first coating 117.For example, the first coating is being formed
After 117, the first coating meeting 117 in the corresponding region for being intended to be formed the second spacer units PS2 is etched in non-display area NA, with complete
Complete the first coating 117 for removing the corresponding region for being intended to be formed the second spacer units PS2 in non-display area NA.Next it please join figure
3, in other embodiments of the present invention, the first coating 117 can also be formed in non-display area NA, and the second spacer units
PS2 is formed on the first coating 117 in non-display area NA, wherein the first coating 117 is in the upper table in the AA of viewing area
Face height is above the first coating 117 in the upper level in non-display area NA.For example, the first coating is being formed
When, interior the first coating formed of non-display area NA can be partially etched, so that the first coating is in the upper table in the AA of viewing area
It is high in the upper surface in the region for being intended to be formed the second spacer units PS2 corresponding in non-display area NA that face height is higher than the first coating
Degree.
Herein specifically, though above-described embodiment is with in-plane switching (In-Plane Switching, IPS) liquid
LCD panel or boundary electric field switch type (Fringe Field Switching, FFS) liquid crystal display panel, which are used as, to be illustrated, but
It is not limited, the present invention can also be applied to twisting digit group type (Twisted Nematic, TN) liquid crystal display panel, multiple domain hangs down
Straight alignment-type (Multi-domain Vertical Alignment, MVA) panel of LCD or semi-transparent semi-reflecting
(transflective) panel of LCD.For example, common electrode (common electrode) can be formed in first
On coating 117, and the first spacer units PS1 is formed on the first coating 117 and common electrode of storehouse, the first orientation
Film 118 is further formed on coating 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 in the second substrate 120, and one second coating is also formed on pixel electrode
124, the second coating 124 can be in forming a flat surfaces in the second substrate 120.One second alignment film 126 is formed in second and covers
On cap rock 124.
That is, for the liquid crystal display panel with the first coating 117, the present invention can use the first coating
117 in the different zones of first substrate 110 there is different upper level (or to be formed in a region of first substrate 110
First coating 117, another region is then without the first coating 117), it is higher that the first spacer units PS1 is formed in upper surface
On first coating 117, and the second spacer units PS2 is formed on lower first coating 117 in upper surface (or do not have
The region of first coating 117) so that the distance at the top 115 of the first spacer units PS1 to first substrate 110 is greater than second
The top 116 of spacer units PS2 to first substrate 110 distance, that is to say, that in the second substrate 120 and non-display area NA
The distance between top 116 of second spacer units PS2 is greater than the first spacer units in the second substrate 120 and viewing area AA
The distance between top 115 of PS1.Therefore, present invention can apply to the liquid crystal displays that colorized optical filtering laminar substrate has coating
Panel.
Specifically, because the first spacer units PS1 of the invention is formed at the coating in the AA of viewing area
On 117 so that the distance of the bottom 113 of the first spacer units PS1 to first substrate 110 is greater than the bottom of the second spacer units PS2
Portion 114 arrives the distance of first substrate 110, therefore the first spacer units PS1 and the second spacer units PS2 of liquid crystal display panel
Height H1 and H2 can be identical or different, as long as can reach the top 115 of the first spacer units PS1 to first substrate 110
Top 116 of the distance greater than the second spacer units PS2 to first substrate 110 distance (or the second substrate 120 and non-display
The distance between top 116 of the second spacer units PS2 in area NA is greater than between first in the second substrate 120 and viewing area AA
Every the distance between top of unit PS1 115).Therefore the first spacer units PS1 and the second spacer units of the present embodiment
PS2 can be used to be formed simultaneously in the same processing procedure with the light shield of same light cover opening light transmittance, with reduce production cost and
Simplify processing procedure.
Next please refer to Fig. 4, in another embodiment of the invention, the first coating 117 can be formed simultaneously in
In viewing area AA and non-display area NA, wherein on the first coating 117 is having the same in viewing area AA and non-display area NA
Apparent height is subsequently formed a minus photoresist layer and is formed on first substrate 110 and the first coating 117, next with light shield
To the regional exposure for being intended to form the first spacer units PS1 and the second spacer units PS2 corresponding in photoresist layer, wherein light shield is half color
Light regulating hood (halftone mask), and the corresponding light shield opening light transmission of the second spacer units PS2 being located in non-display area NA
Rate is less than the corresponding light shield opening light transmittance of the first spacer units PS1 in the AA of viewing area so that the height of the first spacer units PS1
The height H2 that H1 is greater than the second spacer units PS2 is spent, so that the bottom 113 of the first spacer units PS1 and the second interval are single
The bottom 114 of first PS2 is located at sustained height, and the distance of top 115 to the first substrate 110 of the first spacer units PS1 is greater than
The top 116 of second spacer units PS2 to first substrate distance, that is to say, that in the second substrate 120 and non-display area NA
The distance between top 116 of second spacer units PS2 is greater than the first spacer units in the second substrate 120 and viewing area AA
The distance between top 115 of PS1.
It is the flow chart 200 of the forming method of liquid crystal display panel of the present invention referring next to Fig. 5, Fig. 5.Liquid of the present invention
Process such as the following steps of the pixel forming method of LCD panel:
Step 210: forming a chromatic filter layer in the viewing area on a first substrate；
Step 220: forming a coating on the chromatic filter layer；
Step 230: forming multiple first spacer units on the coating in the viewing area, and form multiple the
Two spacer units are in the non-display area on the first substrate；
Step 240: forming an alignment film between the coating, the multiple first spacer units and the multiple second
Every on unit；
Step 250: forming multiple liquid crystal electrodes in a second substrate；And
Step 260: the first substrate and the second substrate are combined, wherein a liquid crystal layer is located at the first substrate and should
Between the second substrate.
In addition, in the methods of the invention, above-mentioned steps be not necessarily to according to flow chart 200 execute sequence.In other words
It says, the sequence of above-mentioned steps can change, and other steps can also be between above-mentioned steps.For example, step 210~
240 can in a producing line (such as colored filter producing line) carry out, and step 250 can another producing line (such as TFT array produce
Line) it carries out, and step 260 is finally carried out then at another producing line (such as Cell producing line).Because of step 210~240 and step 250
It carries out in different producing lines, therefore is not sequentially carried out with step 210~250 respectively.
Compared to the prior art, liquid crystal display panel of the present invention increases in the second substrate 120 and non-display area NA
The distance between two spacer units PS2, fall off to avoid alignment film because of friction, influence the appearance and image of liquid crystal display panel
Quality.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of liquid crystal display panel characterized by comprising
One first substrate, including a viewing area and a non-display area；
One the second substrate is set to the opposite position of the first substrate；
One liquid crystal layer is set between the first substrate and the second substrate；
One chromatic filter layer is formed in the viewing area on the first substrate, and the chromatic filter layer is positioned at described
First substrate and the liquid crystal interlayer；
One coating is covered on the chromatic filter layer, and the coating is located at the chromatic filter layer and the liquid crystal
Interlayer, wherein the material of the coating is transparent material；
Multiple first spacer units are formed on the coating in the viewing area；
Multiple second spacer units are formed in the non-display area on the first substrate；And
One alignment film is formed on the coating, the multiple first spacer units and the multiple second spacer units；
Wherein it is single to be greater than the multiple second interval for the distance of the top of the multiple first spacer units to the first substrate
The top of member does not have described cover to the distance of the first substrate between the multiple second spacer units and the first substrate
Cap rock.
2. liquid crystal display panel as described in claim 1, which is characterized in that the bottom of the multiple first spacer units to institute
The distance for stating first substrate is greater than the bottom of the multiple second spacer units to the distance of the first substrate.
3. a kind of forming method of liquid crystal display panel characterized by comprising
A chromatic filter layer is formed in the viewing area on a first substrate；
A coating is formed on the chromatic filter layer, wherein the material of the coating is transparent material；
Multiple first spacer units are formed on the coating in the viewing area, and formed multiple second spacer units in
In a non-display area on the first substrate, wherein not having institute between the multiple second spacer units and the first substrate
State coating；
An alignment film is formed on the coating, the multiple first spacer units and the multiple second spacer units；
Multiple liquid crystal electrodes are formed in a second substrate；And
The first substrate and the second substrate are combined, wherein a liquid crystal layer is set to the first substrate and second base
Between plate, the chromatic filter layer is located at the first substrate and the liquid crystal interlayer, and the coating is located at the colour
Filter layer and the liquid crystal interlayer；
Wherein it is single to be greater than the multiple second interval for the distance of the top of the multiple first spacer units to the first substrate
Distance of the top of member to the first substrate.
4. method as claimed in claim 3, which is characterized in that the multiple first spacer units and the multiple second interval
Unit is simultaneously formed.
5. method as claimed in claim 3, which is characterized in that further include to the coating formed in the non-display area
It is etched, is covered with all removing to correspond to be intended to be formed described in the region of the multiple second spacer units in the non-display area
Cap rock.
6. method as claimed in claim 3, which is characterized in that the multiple first spacer units and the multiple second interval
Unit is formed by halftone mask.
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| 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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