CN109143693A - A kind of liquid crystal display panel and preparation method thereof - Google Patents
A kind of liquid crystal display panel and preparation method thereof Download PDFInfo
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- CN109143693A CN109143693A CN201811138406.0A CN201811138406A CN109143693A CN 109143693 A CN109143693 A CN 109143693A CN 201811138406 A CN201811138406 A CN 201811138406A CN 109143693 A CN109143693 A CN 109143693A
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- Prior art keywords
- sealant
- liquid crystal
- substrate
- crystal display
- display panel
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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
-
- 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
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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 a kind of liquid crystal display panels and preparation method thereof, it can abundant ultra-violet curing sealant, in the case of improvement increases due to array substrate circumferential metal line, liquid crystal pollution caused by sealant ultra-violet curing is insufficient, further the problems such as improvement display periphery box thickness ununiformity, liquid crystal puncture.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of liquid crystal display panel and preparation method thereof.
Background technique
Thin Film Transistor-LCD (Thin Film Transistor-Liquid Crystal Display, referred to as
TFT-LCD) have many advantages, such as light and short, low-power consumption and low in calories, show one's talent in numerous different types of display devices,
It is widely used, such as on TV, computer, tablet computer and mobile phone modernization information equipment.
In TFT-LCD production, dispenser method and sealant in array substrate or color membrane substrates are needed, then by two
Substrate carries out to box, then sealant is solidified.Wherein, the effect of sealant is bonding array substrate and color membrane substrates, and is protected
The intermediate liquid crystal of shield is not influenced by outside air and water.The curing process of sealant is broadly divided into two steps at present: using first
Ultraviolet light irradiates (UV for exposure) solidification, then by heating further solidification, achievees the purpose that be fully cured.
With reference to Figure 1A -1C, existing liquid crystal display panel of thin film transistor procedure for producing schematic diagram.Firstly, as shown in Figure 1A,
Organic layer (PI) 12 and sealant (seal) 13 are coated on substrate (assuming that the substrate is color membrane substrates 11).Then, such as Figure 1B
It is shown, the dispenser method (Liquid Crystal, abbreviation LC) 14 on organic layer 12.Finally, as shown in Figure 1 C, by two substrates into
After row is to box, the liquid crystal 14 of the viewing area on corresponding array substrate 15 is covered with a ultraviolet photomask (UV mask) 16, later
Ultra-violet curing is carried out to sealant 13 by ultraviolet light (UV) irradiation.The basic structure of color membrane substrates 11 is by the side color film (CF) glass
Glass substrate (Glass Substrate) 111, black matrix (Black Matrix, abbreviation BM) and color blocking layer (R/G/B) 112 and
Transparency conducting layer (ITO) 113 etc. is formed；The basic structure of array substrate 15 is by array side glass substrate 151 and hardware cloth
Line layer (Metal) 152 etc. is formed.
With the raising that people require flat-panel monitor, narrow frame is increasingly becoming the mainstream of display.After frame narrows, it is
Do not generate light leakage, black matrix is generally overlapped with sealant, due to ultraviolet light can not by black matrix, sealant
UV can only select to irradiate from array substrate side in ultra-violet curing.Narrow frame further requirement sealant realizes graph thinning simultaneously, makes
The region very little for obtaining the metal line in array substrate causes the metal wire at array substrate periphery to be arranged and becomes close.?
Carry out sealant ultra-violet curing when, due to metal wire arrangement it is very close, the part that sealant is blocked by metal wire is difficult to shine
It is mapped to ultraviolet light to be solidified, results in that sealant curing degree is low, solidification is uneven.Sealant ultra-violet curing is insufficient, can make
Liquid crystal is contacted with the sealant not being fully cured for a long time, leads to liquid crystal pollution, in turn results in display periphery box thickness ununiformity
(Mura), the generation for the problems such as liquid crystal punctures.
Therefore, how abundant ultra-violet curing sealant, improve sealant ultra-violet curing it is insufficient caused by liquid crystal pollution, into one
The problems such as step improves display periphery box thickness ununiformity (Mura), liquid crystal punctures, is in narrow frame LCD technology development process
Urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of liquid crystal display panels and preparation method thereof, can sufficiently seal ultra-violet curing
Frame glue, liquid crystal pollution caused by improvement sealant ultra-violet curing is insufficient, further improvement display periphery box thickness ununiformity (Mura),
The problems such as liquid crystal punctures.
To achieve the above object, the present invention provides a kind of liquid crystal display panel preparation method, include the following steps: to provide
One first substrate is coated with organic layer in the viewing area of the first substrate, in the first sealant of periphery coating of the organic layer；
Ultra-violet curing is carried out to first sealant；By the second envelope frame of periphery coating of first sealant after ultra-violet curing
Glue；The dispenser method on the organic layer；One the second substrate is provided, by the second substrate and the first substrate to box, then
Ultra-violet curing is carried out to second sealant.
To achieve the above object, the present invention also provides a kind of liquid crystal display panel, the liquid crystal display panel includes:
One substrate has a viewing area；The organic layer of viewing area is corresponded on the first substrate；Set on the organic layer periphery
First sealant；The second sealant set on the periphery of first sealant；Liquid crystal on the organic layer；Set on institute
State in the first sealant and second sealant and cover the second substrate of the liquid crystal.
The present invention has the advantages that the present invention is coated with an inner ring sealant by adjusting processing procedure and technique is generated first,
After the completion of organic layer coating, before two substrates are to box, UV irradiation is carried out to inner ring sealant, makes the complete ultra-violet curing of inner ring sealant
Afterwards, circle periphery sealant coating is carried out again in inner ring sealant periphery, next carry out liquid crystal drip-injection and follow-up process again,
Can abundant ultra-violet curing sealant, in the case of improvement increases due to array substrate circumferential metal line, sealant ultra-violet curing is not
The problems such as liquid crystal pollution caused by foot, further improvement display periphery box thickness ununiformity, liquid crystal puncture.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Figure 1A -1C, existing liquid crystal display panel of thin film transistor procedure for producing schematic diagram；
Fig. 2, the flow diagram of liquid crystal display panel preparation method of the present invention；
Fig. 3 A-3E, the procedure for producing schematic diagram of liquid crystal display panel preparation method of the present invention；
Fig. 4, the cross-sectional view of liquid crystal display panel of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.This
Outside, present invention repeat reference numerals and/or reference letter in different examples, this repetition are for simplified and clear mesh
, the relationship between discussed various embodiments and/or setting itself is not indicated.
With reference to Fig. 2 and Fig. 3 A-3E, wherein Fig. 2 is the flow diagram of liquid crystal display panel preparation method of the present invention,
Fig. 3 A-3E is the procedure for producing schematic diagram of liquid crystal display panel preparation method of the present invention.The preparation method includes the following steps:
S21: providing a first substrate, is coated with organic layer in the viewing area of the first substrate, in the periphery coating the of the organic layer
One sealant；S22: ultra-violet curing is carried out to first sealant；S23: by first sealant after ultra-violet curing
The second sealant of periphery coating；S24: the dispenser method on the organic layer；S25: a second substrate is provided, by second base
Plate and the first substrate carry out ultra-violet curing to box, then to second sealant.Below to preparation method of the present invention
It elaborates.
About step S21: providing a first substrate, be coated with organic layer in the viewing area of the first substrate, have described
The first sealant of periphery coating of machine layer, please also refer to Fig. 2 and Fig. 3 A, wherein Fig. 3 A is one embodiment of the invention first
The schematic diagram of organic layer and the first sealant is coated on substrate.Wherein, organic layer 32 is coated on the viewing area 310 of first substrate 31
Region；First sealant 33 is coated on the periphery of organic layer 32.Organic layer 32 is prepared using organic material, and organic material is for example
It can be polyimides (Polyimide, abbreviation PI) that PI has high temperature resistant, use temperature range wide, exhausted without sharp melting point, height
The features such as edge performance and dielectric constant are stablized.The coating of organic layer and the first sealant can refer to the prior art, not do herein
It limits.
About step S22: ultra-violet curing is carried out to first sealant, please also refer to Fig. 2 and Fig. 3 B, wherein scheming
3B is the schematic diagram of the first sealant of one embodiment of the invention ultra-violet curing.Specifically, can be with one first ultraviolet photomask (UV
Mask) 39 the organic layer 32 of viewing area 310 is covered, the first sealant 33 is irradiated by ultraviolet light (UV), to the first sealant
33 carry out ultra-violet curing.
About step S23: the second sealant of periphery coating of first sealant after ultra-violet curing is please joined together
Fig. 2 and Fig. 3 C is examined, wherein Fig. 3 C is the schematic diagram that one embodiment of the invention is coated with the second sealant.Specifically, the second envelope frame
Glue 34 is coated on the periphery of the first sealant 33 after ultra-violet curing.Optionally, the second sealant 34 and the first sealant 33 it
Between have a gap, i.e., both do not contact.Optionally, the width of the second sealant 34 is greater than the width of the first sealant 33.At it
In its embodiment, the width of the second sealant 34 can also be equal to or less than the width of the first sealant 33.Second sealant
Coating can refer to the prior art, herein without limitation.
About step S24: the dispenser method on the organic layer, please also refer to Fig. 2 and Fig. 3 D, wherein Fig. 3 D is this
Invent the schematic diagram of an embodiment liquid crystal drip-injection.Specifically, the instillation of liquid crystal 35 corresponds to the organic of viewing area on first substrate 31
On layer 32.The mode of liquid crystal drip-injection can refer to the prior art, herein without limitation.
About step S25: a second substrate is provided, by the second substrate and the first substrate to box, then to described
Second sealant carries out ultra-violet curing, and please also refer to Fig. 2 and Fig. 3 E, wherein Fig. 3 E is one embodiment of the invention two substrates pair
The schematic diagram of the second sealant of box and ultra-violet curing.Specifically, by the second substrate 36 and first substrate 31 to box after, with one second
Ultraviolet photomask (UV mask) 38 covers the liquid crystal 35 of viewing area 310, irradiates the second sealant by ultraviolet light (UV) later
34, ultra-violet curing is carried out to the second sealant 34.Two substrates can refer to the prior art to box technique, herein without limitation.First
Ultraviolet photomask 39 and the second ultraviolet photomask 38 can be identical ultraviolet photomask.
In the present embodiment, the first substrate 31 can be color membrane substrates, and the color membrane substrates include color film side glass
Substrate 311, black matrix (BM) and color blocking layer (R/G/B) 312 and transparency conducting layer 313 etc..The second substrate 36 can be
Array substrate, the array substrate include array side glass substrate 361 and metal wiring layer 362 etc..
Liquid crystal display panel preparation method of the present invention is coated with inner ring envelope frame by adjusting processing procedure and technique is generated first
Glue (i.e. the first sealant)；After the completion of organic layer coating, before two substrates are to box, UV irradiation is carried out to inner ring sealant, is made interior
Enclose the complete ultra-violet curing of sealant；Later, a circle periphery sealant (i.e. the second sealant) is carried out again in inner ring sealant periphery
Coating, next carries out liquid crystal drip-injection and follow-up process again.The present invention can abundant ultra-violet curing sealant, improve due to battle array
In the case of column substrate periphery metal wire increases, liquid crystal pollution caused by sealant ultra-violet curing is insufficient further improves display
The problems such as periphery box thickness ununiformity, liquid crystal puncture.
With reference to Fig. 4, the cross-sectional view of liquid crystal display panel of the present invention.Liquid crystal display panel of the present invention includes: with a display
The first substrate 31 in area 310, the organic layer 32 that viewing area 310 is corresponded on first substrate 31, set on the periphery of organic layer 32
First sealant 33, set on the first sealant 33 periphery the second sealant 34, the liquid crystal 35 on organic layer 32, be set to
In first sealant 33 and the second sealant 34 and cover the second substrate 36 of liquid crystal 35.
Preferably, the first sealant 33 and the second sealant 34 are uv-curing type sealant.
Optionally, there is a gap between the second sealant 34 and the first sealant 33, i.e. the two does not contact.
Optionally, the width of the second sealant 34 is greater than the width of the first sealant 33.In other embodiments, the second envelope
The width of frame glue 34 can also be equal to or less than the width of the first sealant 33.
Specifically, first substrate 31 is color membrane substrates, the second substrate 36 is array substrate.The color membrane substrates include color film
Side glass substrate 311, black matrix 312 and transparency conducting layer 313 etc..The array substrate includes array side glass substrate 361
And metal wiring layer 362 etc..
Liquid crystal display panel of the present invention is improved increase due to array substrate circumferential metal line in the case of, sealant
The problems such as liquid crystal pollution caused by ultra-violet curing is insufficient, further improvement display periphery box thickness ununiformity, liquid crystal puncture.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of liquid crystal display panel preparation method, which is characterized in that the preparation method includes the following steps:
One first substrate is provided, is coated with organic layer in the viewing area of the first substrate, in the periphery coating the of the organic layer
One sealant；
Ultra-violet curing is carried out to first sealant；
By the second sealant of periphery coating of first sealant after ultra-violet curing；
The dispenser method on the organic layer；
One the second substrate is provided, by the second substrate and the first substrate to box, then second sealant is carried out purple
Outer solidification.
2. preparation method as described in claim 1, which is characterized in that described to carry out ultra-violet curing to first sealant
The step of further comprise:
The organic layer is covered with one first ultraviolet photomask, first sealant is irradiated by ultraviolet light, to described
One sealant carries out ultra-violet curing.
3. preparation method as described in claim 1, which is characterized in that described to carry out ultra-violet curing to second sealant
The step of further comprise:
The liquid crystal is covered with one second ultraviolet photomask, second sealant is irradiated by ultraviolet light, to described second
Sealant carries out ultra-violet curing.
4. preparation method as described in claim 1, which is characterized in that between second sealant and first sealant
There is a gap.
5. preparation method as described in claim 1, which is characterized in that the width of second sealant is greater than first envelope
The width of frame glue.
6. a kind of liquid crystal display panel, which is characterized in that the liquid crystal display panel includes:
First substrate has a viewing area；
The organic layer of viewing area is corresponded on the first substrate；
The first sealant set on the organic layer periphery；
The second sealant set on the periphery of first sealant；
Liquid crystal on the organic layer；
In first sealant and second sealant and cover the second substrate of the liquid crystal.
7. liquid crystal display panel as claimed in claim 6, which is characterized in that first sealant and second sealant
It is uv-curing type sealant.
8. liquid crystal display panel as claimed in claim 6, which is characterized in that second sealant and first sealant
Between have a gap.
9. liquid crystal display panel as claimed in claim 6, which is characterized in that the width of second sealant is greater than described the
The width of one sealant.
10. liquid crystal display panel as claimed in claim 6, which is characterized in that the first substrate is color membrane substrates, described the
Two substrates are array substrate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138406.0A CN109143693A (en) | 2018-09-28 | 2018-09-28 | A kind of liquid crystal display panel and preparation method thereof |
| PCT/CN2018/113671 WO2020062435A1 (en) | 2018-09-28 | 2018-11-02 | Liquid crystal display panel and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138406.0A CN109143693A (en) | 2018-09-28 | 2018-09-28 | A kind of liquid crystal display panel and preparation method thereof |
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|---|---|
| CN109143693A true CN109143693A (en) | 2019-01-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811138406.0A Pending CN109143693A (en) | 2018-09-28 | 2018-09-28 | A kind of liquid crystal display panel and preparation method thereof |
Country Status (2)
| Country | Link |
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| CN (1) | CN109143693A (en) |
| WO (1) | WO2020062435A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917591A (en) * | 2019-03-21 | 2019-06-21 | 深圳市华星光电技术有限公司 | The production method of liquid crystal display panel |
| CN112285969A (en) * | 2020-12-09 | 2021-01-29 | 深圳市容大彩晶科技有限公司 | Method for manufacturing liquid crystal display panel 1 |
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| US7295280B2 (en) * | 2001-09-03 | 2007-11-13 | Hannstar Display Corp. | Method of manufacturing one drop fill liquid crystal display panel |
| CN101957512A (en) * | 2009-07-16 | 2011-01-26 | 北京京东方光电科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| US20110242792A1 (en) * | 2010-04-01 | 2011-10-06 | Samsung Mobile Display Co., Ltd. | Flat panel display device and method of manufacturing the same |
| CN105892165A (en) * | 2016-06-27 | 2016-08-24 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof |
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| CN100397168C (en) * | 2003-08-30 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Liquid crystal panel and its mfg. method |
| KR101125252B1 (en) * | 2004-12-31 | 2012-03-21 | 엘지디스플레이 주식회사 | Poly Liquid Crystal Dispaly Panel and Method of Fabricating The Same |
| CN105137671B (en) * | 2015-10-12 | 2018-09-07 | 京东方科技集团股份有限公司 | Liquid crystal cell, the preparation method of liquid crystal cell and display panel |
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2018
- 2018-09-28 CN CN201811138406.0A patent/CN109143693A/en active Pending
- 2018-11-02 WO PCT/CN2018/113671 patent/WO2020062435A1/en active Application Filing
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|---|---|---|---|---|
| US7295280B2 (en) * | 2001-09-03 | 2007-11-13 | Hannstar Display Corp. | Method of manufacturing one drop fill liquid crystal display panel |
| CN101957512A (en) * | 2009-07-16 | 2011-01-26 | 北京京东方光电科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| US20110242792A1 (en) * | 2010-04-01 | 2011-10-06 | Samsung Mobile Display Co., Ltd. | Flat panel display device and method of manufacturing the same |
| CN105892165A (en) * | 2016-06-27 | 2016-08-24 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917591A (en) * | 2019-03-21 | 2019-06-21 | 深圳市华星光电技术有限公司 | The production method of liquid crystal display panel |
| WO2020186561A1 (en) * | 2019-03-21 | 2020-09-24 | 深圳市华星光电技术有限公司 | Method for manufacturing liquid crystal display panel |
| CN112285969A (en) * | 2020-12-09 | 2021-01-29 | 深圳市容大彩晶科技有限公司 | Method for manufacturing liquid crystal display panel 1 |
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| Publication number | Publication date |
|---|---|
| WO2020062435A1 (en) | 2020-04-02 |
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Application publication date: 20190104 |