CN109581724A - Liquid crystal display panel and its manufacturing method - Google Patents
Liquid crystal display panel and its manufacturing method Download PDFInfo
- Publication number
- CN109581724A CN109581724A CN201811546773.4A CN201811546773A CN109581724A CN 109581724 A CN109581724 A CN 109581724A CN 201811546773 A CN201811546773 A CN 201811546773A CN 109581724 A CN109581724 A CN 109581724A
- Authority
- CN
- China
- Prior art keywords
- substrate
- liquid crystal
- display panel
- crystal display
- polarizing coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 90
- 239000011248 coating agent Substances 0.000 claims abstract description 48
- 238000000576 coating method Methods 0.000 claims abstract description 48
- 230000008021 deposition Effects 0.000 claims abstract description 15
- 230000010287 polarization Effects 0.000 claims abstract description 14
- 239000010408 film Substances 0.000 claims description 36
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 6
- 229940056932 lead sulfide Drugs 0.000 claims description 5
- 229910052981 lead sulfide Inorganic materials 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 229920005575 poly(amic acid) Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 239000004642 Polyimide Substances 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 238000000151 deposition Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Polarising Elements (AREA)
Abstract
The present invention discloses a kind of liquid crystal display panel and its manufacturing method, the liquid crystal display panel includes an alignment film, one first substrate, one polaroid, one the second substrate, one polarizing coating and a liquid crystal layer, wherein the liquid crystal layer is between the first substrate and the second substrate, the alignment film is formed in a surface of the first substrate, another surface of the first substrate is arranged in the polaroid, the polarizing coating is formed in a surface of the second substrate, and a deposition direction of the polarizing coating and a polarization direction of the polaroid are orthogonal.
Description
Technical field
The invention relates to a kind of display panel and its manufacturing method, in particular to a kind of liquid crystal display panel and
Its manufacturing method.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) include shell, the liquid crystal display panel being set in the housing and
The backlight module being set in the housing, wherein liquid crystal display panel is brilliant by a colored filter substrate (Color Filter, CF), a film
Body pipe array substrate (Thin Film Transistor Array Substrate, TFT Array Substrate) and one
The liquid crystal layer (Liquid Crystal Layer) being filled between two substrates is constituted.CF substrate and Array substrate relatively in
Side is equipped with transparent electrode.Liquid crystal display is controlled by orientation of the electric field to liquid crystal molecule, changes the polarization state of light, and
Penetrating and stopping for optical path is realized by polarizer, realizes the purpose of display.
In liquid crystal display panel, the liquid crystal layer is the phase-delay quantity that light valve controls polarised light.In order to screen polarised light,
The liquid crystal display panel outermost layer can place the orthogonal polaroid in polarization direction.In order to improve colour cast, generally to pixel
(pixel) it can be designed using multiple domain (domain), an alignment film (PI film) is needed to carry out with always the liquid crystal of not same area at this time
Pre-tilt angle is formed, the liquid crystal layer is enable quickly to topple over towards certain direction.
The panel of each manufacturer production at present can all use external polaroid substantially, however, the polaroid be easier to by
Sharp objects scratch damage, to influence the Display panel effect.In addition, needing to use during forming the alignment film
The mode of high-temperature baking, thus the difficulty for resulting in the alignment film is higher.
Therefore, it is necessary to a kind of liquid crystal display panel and its manufacturing method of improvement be provided, to solve the above-mentioned prior art
The problems of.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid crystal display panel and its manufacturing methods, using by the second substrate shape
At polarizing coating, processing procedure can be simplified and avoid damaging.
To reach foregoing purpose of the invention, one embodiment of the invention provides a kind of liquid crystal display panel, including an orientation
Film, a first substrate, a polaroid, a second substrate, a polarizing coating and a liquid crystal layer, wherein the liquid crystal layer is positioned at described
Between first substrate and the second substrate, the alignment film is formed in a surface of the first substrate, the polaroid is set
It sets on another surface of the first substrate, the polarizing coating is formed in a surface of the second substrate, and the polarization
One deposition direction of film and a polarization direction of the polaroid are orthogonal.
In one embodiment of this invention, the liquid crystal display panel further includes a first electrode, and the first electrode is set
It sets on the alignment film.
In one embodiment of this invention, the first substrate is a thin-film transistor array base-plate, and described first
Electrode is a pixel electrode.
In one embodiment of this invention, the liquid crystal display panel further includes a second electrode, and the second electrode is set
It sets on the polarizing coating.
In one embodiment of this invention, the second substrate is a colored optical filtering substrates, and the second electrode is
One public electrode.
In one embodiment of this invention, the polarizing coating is that the vulcanized lead that is formed by glancing angle deposition technology is thin
Film.
To reach foregoing purpose of the invention, one embodiment of the invention provides a kind of manufacturing method of liquid crystal display panel,
Step, an alignment film forming step, a polaroid forming step, a polarizing coating forming step and a liquid crystal layer shape are purchased including one
At step；It is purchased in step described, a first substrate and a second substrate is provided；In the alignment film forming step, benefit
An alignment film is formed on a surface of the first substrate with an orientation agent；In the polaroid forming step, described
Another surface of the one of one substrate attaches a polaroid；In the polarizing coating forming step, on a surface of the second substrate
A polarizing coating is formed, wherein a deposition direction of the polarizing coating and a polarization direction of the polaroid are orthogonal；Institute
It states in liquid crystal layer forming step, a liquid crystal is injected between the first substrate and the second substrate, in first base
A liquid crystal layer is formed between plate and the second substrate.
In one embodiment of this invention, in the alignment film forming step, the orientation agent is polyamic acid or gathers
Acid imide.
In one embodiment of this invention, in the polarizing coating forming step, the polarizing coating is heavy by glancing angle
The lead sulfide film that product technology is formed.
In one embodiment of this invention, in the polarizing coating forming step, the second substrate is sunk with described
One angle in product direction is between 30 to 60 degree.
As described above, by forming the polarizing coating in the second substrate, wherein the polarizing coating has good match
To effect and polarization effect, the alignment film of the prior art can be replaced using the configuration of the polarizing coating, and required no
High temperature process, and then can simplify processing procedure.In addition, can be kept away since the polarizing coating is arranged in the liquid crystal display panel
Exempt to scratch the problem of damaging by sharp objects.
Detailed description of the invention
Fig. 1 is a schematic diagram of a preferred embodiment of liquid crystal display panel according to the present invention.
Fig. 2 is a schematic diagram of the glancing angle deposition of a preferred embodiment of liquid crystal display panel device according to the present invention.
Fig. 3 is a flow chart of a preferred embodiment of the manufacturing method of liquid crystal display panel according to the present invention.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the present invention with reference to additional schema
Example.Furthermore the direction term that the present invention is previously mentioned, for example, above and below, top, bottom, front, rear, left and right, inside and outside, side, surrounding, in
Centre, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or lowest level etc., be only the direction with reference to annexed drawings.Cause
This, the direction term used is to illustrate and understand the present invention, rather than to limit the present invention.
It please refers to shown in Fig. 1, is a schematic diagram of a preferred embodiment of liquid crystal display panel of the present invention.The liquid crystal
Show that panel includes an alignment film 2, a first substrate 3, a polaroid 4, a second substrate 5, a polarizing coating 6 and a liquid crystal layer 7.
The present invention will be in detail structure, assembled relation and its operation principles that the above-mentioned each component of each embodiment is detailed below.
It please refers to shown in Fig. 1, the liquid crystal layer 7 is between the first substrate 3 and the second substrate 5, Er Qiesuo
It states alignment film 2 and polarizing coating 6 is facing, the alignment film 2 is formed in a first surface 31 of the first substrate 3, described inclined
A second surface 32 of the first substrate 3 is arranged in mating plate 4.In addition, the liquid crystal display panel further includes a first electrode
8, the first electrode 8 is arranged on the alignment film 2.In the present embodiment, the first substrate 3 is a thin film transistor (TFT) battle array
Column substrate, the first electrode 8 is a pixel electrode, and the setting of the first electrode 8 is neighbouring described in the first substrate 3
The side of the liquid crystal layer 7.
It please refers to shown in Fig. 1 and 2, the second substrate 5 has a first surface 51 and a second surface 52, the polarization
Film 6 is formed in the first surface 51 of the second substrate 5, and a deposition direction D of the polarizing coating 6 and the polaroid 4
A polarization direction it is orthogonal.In the present embodiment, the polarizing coating 6 is by glancing angle deposition technology (Glancing
Angle Deposition), that is, change the normal direction of the second substrate 5 and (do not drawn with the angle of incoming particle stream
Show), the lead sulfide film formed using magnetically controlled DC sputtering in the second substrate 5.
In addition, the liquid crystal display panel further includes a second electrode 9, the second electrode 9 is arranged in the polarizing coating 6
On.In the present embodiment, the second substrate 5 is a colored optical filtering substrates, and the second electrode 9 is a public electrode, described
The first substrate 3 is arranged in adjacent to the side of the liquid crystal layer 7 in second electrode 9, and the first electrode 8 with it is described
Second electrode 9 is facing.
As described above, by forming the polarizing coating 6 in the second substrate 5, wherein the polarizing coating 6 have it is good
Orientation effect and polarization effect, can replace the alignment film of the prior art using the configuration of the polarizing coating 6, and not have to warp
High temperature process is crossed, and then can simplify processing procedure.In addition, since the polarizing coating 6 is arranged in the liquid crystal display panel, it can
It avoids the problem that being scratched by sharp objects and damage.
Referring to figure 3. and cooperate shown in Fig. 1 and 2, is a preferred implementation of the manufacturing method of liquid crystal display panel of the present invention
One flow chart of example.The manufacturing method is purchased step S201, an alignment film forming step S202, a polaroid including one and is formed
Step S203, an a polarizing coating forming step S204 and liquid crystal layer forming step S205.The present invention will be each in being detailed below
The relationship and its operation principles of step.
Referring to figure 3. and cooperate shown in Fig. 1 and 2, purchased in step S201 described, a first substrate 3 and one is provided
Two substrates 5.In the present embodiment, the first substrate 3 is a thin-film transistor array base-plate, and the second substrate 5 is one color
Color optical filtering substrate.
Referring to figure 3. and cooperate shown in Fig. 1 and 2, in the alignment film forming step S202, using an orientation agent in institute
The first surface 31 for stating first substrate 3 forms an alignment film 2.In the present embodiment, the orientation agent is polyamic acid or gathers
Acid imide.
Referring to figure 3. and cooperate shown in Fig. 1 and 2, in the polaroid forming step S203, in the first substrate 3
A second surface 32 attach a polaroid 4 so that the alignment film 2 and the polaroid 4 are located at the first substrate 3
Opposite two sides.
Referring to figure 3. and cooperate shown in Fig. 1 and 2, in the polarizing coating forming step S204, in the second substrate 5
A first surface 51 formed a polarizing coating 6, wherein a polarization of a deposition direction D of the polarizing coating 6 and the polaroid 4
Direction is orthogonal.In the present embodiment, the polarizing coating 6 is by glancing angle deposition technology (Glancing Angle
Deposition), that is, change the normal direction of the second substrate 5 and the angle (not being painted) of incoming particle stream, utilize
The lead sulfide film that magnetically controlled DC sputtering is formed in the second substrate 5.In addition, the second substrate 5 is sunk with described
An angle theta of product direction D is between 30 to 60 degree.
Referring to figure 3. and cooperate shown in Fig. 1 and 2, in the liquid crystal layer forming step S205, in the first substrate 3
And a liquid crystal is injected between the second substrate 5, to form a liquid crystal between the first substrate 3 and the second substrate 5
Layer 7.
As described above, by forming the polarizing coating 6 in the second substrate 5, wherein the polarizing coating 6 have it is good
Orientation effect and polarization effect, can replace the alignment film of the prior art using the configuration of the polarizing coating 6, and not have to warp
High temperature process is crossed, and then can simplify processing procedure.In addition, since the polarizing coating 6 is arranged in the liquid crystal display panel, it can
It avoids the problem that being scratched by sharp objects and damage.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that, it has been disclosed that embodiment be not limiting as the scope of the present invention.On the contrary, being contained in the spirit of claims
And range modification and impartial setting be included in the scope of the present invention.
Claims (10)
1. a kind of liquid crystal display panel, it is characterised in that: the liquid crystal display panel includes: an alignment film, a first substrate, one
Polaroid, a second substrate, a polarizing coating and a liquid crystal layer, wherein the liquid crystal layer is located at the first substrate and described
Between two substrates, the alignment film is formed in a surface of the first substrate, and the polaroid is arranged in the first substrate
Opposite another surface, the polarizing coating is formed in a surface of the second substrate, and a deposition of the polarizing coating
Direction and a polarization direction of the polaroid are orthogonal.
2. liquid crystal display panel as described in claim 1, it is characterised in that: the liquid crystal display panel further includes one first electricity
Pole, the first electrode are arranged on the alignment film.
3. liquid crystal display panel as claimed in claim 2, it is characterised in that: the first substrate is a thin film transistor (TFT) array
Substrate, and the first electrode is a pixel electrode.
4. liquid crystal display panel as described in claim 1, it is characterised in that: the liquid crystal display panel further includes one second electricity
Pole, the second electrode are arranged on the polarizing coating.
5. liquid crystal display panel as claimed in claim 4, it is characterised in that: the second substrate is a colored optical filtering substrates,
And the second electrode is a public electrode.
6. liquid crystal display panel as described in claim 1, it is characterised in that: the polarizing coating is by glancing angle deposition technology
The lead sulfide film formed.
7. a kind of manufacturing method of liquid crystal display panel, it is characterised in that: the manufacturing method comprising steps of
One purchases step, provides a first substrate and a second substrate；
One alignment film forming step forms an alignment film on a surface of the first substrate using an orientation agent；
One polaroid forming step attaches a polaroid on an another surface of the first substrate；
One polarizing coating forming step forms a polarizing coating on a surface of the second substrate, wherein the one of the polarizing coating is heavy
Product direction and a polarization direction of the polaroid are orthogonal；And
One liquid crystal layer forming step, injects a liquid crystal between the first substrate and the second substrate, described first
A liquid crystal layer is formed between substrate and the second substrate.
8. the manufacturing method of liquid crystal display panel as claimed in claim 7, it is characterised in that: in the alignment film forming step
In, the orientation agent is polyamic acid or polyimides.
9. the manufacturing method of liquid crystal display panel as claimed in claim 7, it is characterised in that: in the polarizing coating forming step
In, the polarizing coating is the lead sulfide film formed by glancing angle deposition technology.
10. the manufacturing method of liquid crystal display panel as claimed in claim 9, it is characterised in that: formed and walked in the polarizing coating
In rapid, an angle of the second substrate and the deposition direction is between 30 to 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546773.4A CN109581724A (en) | 2018-12-18 | 2018-12-18 | Liquid crystal display panel and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546773.4A CN109581724A (en) | 2018-12-18 | 2018-12-18 | Liquid crystal display panel and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109581724A true CN109581724A (en) | 2019-04-05 |
Family
ID=65930685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811546773.4A Pending CN109581724A (en) | 2018-12-18 | 2018-12-18 | Liquid crystal display panel and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109581724A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218557A (en) * | 1996-04-15 | 1999-06-02 | 奥普蒂瓦公司 | Liquid crystal display and method |
| CN1875300A (en) * | 2003-11-06 | 2006-12-06 | 皇家飞利浦电子股份有限公司 | Dichroic guest-host polarizer comprising an oriented polymer film |
| CN101099105A (en) * | 2002-10-16 | 2008-01-02 | 日东电工株式会社 | Color liquid crystal display with internal rear polarizer |
| CN102317844A (en) * | 2009-05-15 | 2012-01-11 | 夏普株式会社 | Liquid crystal display device |
| JP2016051083A (en) * | 2014-08-29 | 2016-04-11 | 富士フイルム株式会社 | Polarizing plate, manufacturing method of polarizing plate, and liquid crystal display device |
-
2018
- 2018-12-18 CN CN201811546773.4A patent/CN109581724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218557A (en) * | 1996-04-15 | 1999-06-02 | 奥普蒂瓦公司 | Liquid crystal display and method |
| CN101099105A (en) * | 2002-10-16 | 2008-01-02 | 日东电工株式会社 | Color liquid crystal display with internal rear polarizer |
| CN1875300A (en) * | 2003-11-06 | 2006-12-06 | 皇家飞利浦电子股份有限公司 | Dichroic guest-host polarizer comprising an oriented polymer film |
| CN102317844A (en) * | 2009-05-15 | 2012-01-11 | 夏普株式会社 | Liquid crystal display device |
| JP2016051083A (en) * | 2014-08-29 | 2016-04-11 | 富士フイルム株式会社 | Polarizing plate, manufacturing method of polarizing plate, and liquid crystal display device |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Application publication date: 20190405 |