CN110308592A - Production method, display panel and the liquid crystal display of display panel - Google Patents
Production method, display panel and the liquid crystal display of display panel Download PDFInfo
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- CN110308592A CN110308592A CN201910370424.XA CN201910370424A CN110308592A CN 110308592 A CN110308592 A CN 110308592A CN 201910370424 A CN201910370424 A CN 201910370424A CN 110308592 A CN110308592 A CN 110308592A
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- Prior art keywords
- display panel
- alignment films
- substrate
- area
- restricted area
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
Abstract
This application involves a kind of production method of display panel, display panel and liquid crystal display, the production method of display panel includes providing a substrate, wherein substrate includes viewing area and the non-display area around viewing area；Restricted area is set on non-display area；Resin material is coated on restricted area to form resin layer；Alignment films are formed on the substrate within restricted area, wherein the contact angle between resin layer and the fluid to form alignment films is greater than 90 degree.The production method of above-mentioned display panel can precisely limit the boundary of alignment films, and alignment films is avoided to diffuse to frame glue region, while guarantee that alignment films cover viewing area.
Description
Technical field
This application involves field of display technology, in particular to a kind of production method of display panel, display panel and liquid crystal
Display.
Background technique
With the development of display technology, people are higher and higher to the quality requirements of liquid crystal display, especially need liquid crystal
Display has faster response speed and better display effect.In order to accelerate the deflection of liquid crystal molecule, need to liquid crystal molecule
Initial orientation angle set, so that it is had a certain degree with specific plane shape, to form pre-tilt angle.And it is pre- in order to complete
The setting at inclination angle needs to be coated with alignment films in the face that array substrate and color membrane substrates are contacted with liquid crystal molecule, with direct or indirect
Complete the setting of pre-tilt angle.
Alignment films are usually formed by the way that viscous liquid to be coated on substrate, however liquid has certain mobility,
The mobility for forming the liquid of alignment films is not fixed position of the alignment films on substrate, influences liquid crystal display stability.
Summary of the invention
Based on this, it is necessary to be not fixed for position of the alignment films on substrate, influence asking for liquid crystal display stability
Topic, provides production method, display panel and the liquid crystal display of a kind of display panel.
A kind of production method of display panel, comprising the following steps:
There is provided a substrate, wherein the substrate includes viewing area and the non-display area around the viewing area；
Restricted area is set on the non-display area；
Resin material is coated on the restricted area to form resin layer；
Form alignment films on the substrate within the restricted area, wherein the resin layer with it is described to be formed
Contact angle between the fluid of alignment films is greater than 90 degree.
The production method of above-mentioned display panel by the way that restricted area is arranged on non-display area, and is coated with resin material shape
At resin layer, also form alignment films on the substrate within restricted area, resin layer and the fluid to form the alignment films it
Between contact angle be greater than 90 degree, so as to precisely limit the boundary of alignment films, avoid alignment films from diffusing to frame glue region, simultaneously
Guarantee that alignment films cover viewing area.
The restricted area and the display interval are every setting in one of the embodiments,.
The edge of the alignment films is located at the restricted area in one of the embodiments,.
It is described specific the step of restricted area coating resin material is to form resin layer in one of the embodiments,
Include:
Resin material is coated in the restricted area；
Solidify the resin material to form resin layer.
It is described in one of the embodiments, to have the step of forming alignment films on the substrate within the restricted area
Body includes:
The coating orientation coating solution on the substrate within the restricted area；
Solidify the orientation coating solution to form alignment films；
Friction matching or light orientation are carried out to the alignment films.
It is described before the step of restricted area coating resin material is to form resin layer in one of the embodiments,
Or later further include:
Sealant is coated on the substrate other than the restricted area.
The substrate is array substrate or color membrane substrates in one of the embodiments,.
A kind of display panel, including substrate, the substrate include viewing area and the non-display area around the viewing area；Institute
Stating non-display area includes restricted area；The display panel further includes resin layer and alignment films；The resin layer is formed in the limit
In area processed；The alignment films are formed on the substrate within the restricted area, wherein the resin layer with to be formed
The contact angle stated between the fluid of alignment films is greater than 90 degree.
A kind of liquid crystal display, including two pieces to box display panel, the display panel is above-mentioned display panel；Wherein
One piece of display panel is color membrane substrates, and another piece of display panel is array substrate.
Above-mentioned display panel and liquid crystal display is limited by being arranged on the non-display area of array substrate or color membrane substrates
Area processed, and be coated with resin material and form resin layer, also forms alignment films on the substrate within restricted area, resin layer with to shape
It is greater than 90 degree at the contact angle between the fluid of the alignment films, so as to precisely limit the boundary of alignment films, avoids being orientated
Membrane diffusion guarantees that alignment films cover viewing area to frame glue region.
Detailed description of the invention
Fig. 1 is the flow chart of the production method for the display panel that an embodiment provides；
Fig. 2 is the sub-process figure of the production method for the display panel that an embodiment provides；
Fig. 3 is the sub-process figure of the production method for the display panel that another embodiment provides；
Fig. 4 is the top view for the display panel that an embodiment provides；
Fig. 5 is the structural schematic diagram for the liquid crystal display that an embodiment provides.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the better embodiment of the application.But the application can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more disclosure of this application
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
Referring to Fig. 1, the flow diagram of one embodiment of production method of display panel provided by the present application.
Step S1 provides a substrate, wherein the substrate includes viewing area and the non-display area around the viewing area.
The substrate can be in the substrate of array substrate, color membrane substrates, similar array substrate or similar color membrane substrates
It is a kind of.
The substrate includes multiple viewing areas and the non-display area around the viewing area.The viewing area is for showing picture
Face, the non-display area are shading region, prevent the backlight of backlight module from appearing from the non-display area, to guarantee LCD display
The display effect of plate.
Restricted area is arranged on the non-display area in step S2.
The restricted area and the display interval are every setting, so that the edge of alignment films is located at non-display area, Jin Erqu
The viewing area can be covered to film, to guarantee that liquid crystal molecule is capable of forming pre-tilt angle.
Step S3, in the restricted area, coating resin material is to form resin layer.
Specifically, the setting of restricted area can shoot the image of substrate by high-definition camera, image is handled, it will
The position of non-display area and viewing area is converted into two-dimensional coordinate, and the boundary coordinate of restricted area is calculated in two-dimensional coordinate, applies
Cloth apparatus is accurately coated with restricted area according to the boundary coordinate of restricted area.
Step S4 forms alignment films on the substrate within the restricted area, wherein the resin layer with to shape
It is greater than 90 degree at the contact angle between the fluid of the alignment films.
Contact angle is in solid, liquid, gas three-phase intersection, from solid-liquid interface by liquid internal to liquid-vapor interface
Angle.The resin layer is solid, and the fluid for forming the alignment films is liquid, and air is liquid.In the present embodiment, described
Contact angle is from the fluid boundaries of resin layer-formation alignment films by forming the internal fluids of the alignment films to empty
Angle between the fluid boundary of gas-formation alignment films.
The size of contact angle can reflect the Wet Out of liquid versus solid surfaces, and contact angle is smaller, soak better,
Liquid is easier to be spread out in the surface of solids；The contact angle the big, and it is poorer to soak, and liquid forms spherical or near-spherical, then is less susceptible to
It is spread out in the surface of solids.
Resin layer first is formed in the restricted area, then forms alignment films on the substrate within the restricted area, is used
To form the fluids of the alignment films when being coated on the substrate, the contact angle between the liquid of flowing and the resin layer is big
In 90 degree, then the cohesive force between liquid is greater than the adhesive force to the resin layer, and then the resin layer can hinder to be formed
The fluid of the alignment films is to the non-display area diffusion other than the restricted area, thus by the boundary Control of the alignment films in institute
It states within restricted area.The value of specific contact angle can be 95 degree, 100 degree, 120 degree etc..Form the fluid of the alignment films
Contact angle between the resin layer is greater than 90 degree can be realized by the selection of the alignment films and the resin material.Example
Such as, the material of the alignment films is lipophilic-hydrophobic property, then the resin material selects hydrophilic and oleophobic property；The alignment films
Material is hydrophilic and oleophobic property, then the resin material selects lipophilic-hydrophobic property.
Nowadays narrow frame becomes the trend of display panel prevalence, and relatively narrow frame glue region is easily oriented film covering, makes
The adhesive force for obtaining sealant does not reach requirement.By the way that restricted area is arranged on non-display area, and being coated with resin material can be accurate
The boundary for limiting alignment films avoids orientation membrane diffusion from occupying frame glue region, while guaranteeing that alignment films cover viewing area, realizes display
The narrow frame of panel.
It should be noted that the non-display area other than the restricted area is frame glue region, for being coated with sealant.
The restricted area can also be disposed adjacent with the viewing area.The edge of the alignment films is located at the restricted area.
In the present embodiment, the edge of the alignment films is located at the restricted area close to the side of viewing area.By the side of the alignment films
Edge is formed in the restricted area, can make the alignment films that viewing area be completely covered and will not diffuse to non-other than restricted area
Viewing area can guarantee that liquid crystal molecule forms pre-tilt angle, while guarantee that frame glue region is not oriented film and occupies, and be conducive to realize display
The narrow frame of panel.
The restricted area is in moulding shape.The width of the restricted area is 500 microns to 2000 microns, it is ensured that frame glue area
The range in domain is coated with sealant enough, so that being reliably bonded to box substrate, and the range of restricted area can be made to be formed enough
Resin layer, to inhibit the diffusion of alignment films.
Referring to Fig. 2, step S3 is specifically included:
Step S31 is coated with resin material in the restricted area.
Step S32 solidifies the resin material to form resin layer.
The solidification of resin material such as air-dries, ultraviolet curing there are many mode, infrared ray cured or be heating and curing.Using
Ultraviolet curing is infrared ray cured or be heating and curing, and realizes easy, and curing efficiency is high.
Referring to Fig. 3, step S4 is specifically included:
Step S41, the coating orientation coating solution on the substrate within the restricted area.
Region within the restricted area includes partial region, the restricted area and institute of the restricted area close to viewing area
State the region and viewing area between viewing area.It can be by the way of letterpress or inkjet printing within the restricted area
Coating orientation coating solution on the substrate.
Step S42 solidifies the orientation coating solution to form alignment films.
The solidification of the alignment films can be using air-drying, ultraviolet curing, the infrared ray cured or modes such as be heating and curing.
Step S43 carries out friction matching or light orientation to the alignment films.
Specifically, completing orientation, in liquid crystal display panel, alignment films to a direction friction with flannelette in alignment films
The liquid crystal molecule at place will be arranged in parallel according to the direction of friction, or irradiates progress to alignment films using the ultraviolet light of set angle
Orientation.By carrying out orientation to alignment films, so that the initial orientation angle of liquid crystal molecule is pre-tilt angle.
It in one embodiment, further include applying fabric width on the substrate other than the restricted area before or after step S3
Frame glue.
The sealant can be optic-solidified adhesive, heat-curable glue or combinations thereof, correspondingly, the curing mode of the sealant
It can be photocuring, heat cure or combinations thereof.
The display panel is array substrate or color membrane substrates.
The production method of above-mentioned display panel by the way that restricted area is arranged on non-display area, and is coated with resin material shape
At resin layer, also form alignment films on the substrate within restricted area, resin layer and the fluid to form the alignment films it
Between contact angle be greater than 90 degree, so as to precisely limit the boundary of alignment films, avoid alignment films from diffusing to frame glue region, simultaneously
Guarantee that alignment films cover viewing area.
Referring to Fig. 4, a kind of display panel, including substrate 12, the substrate 12 include viewing area 121, around described aobvious
Show the non-display area 122, resin layer 123 and alignment films 124 in area 121.The non-display area 122 includes restricted area 1221.It is described
Resin layer 123 is formed on the restricted area 1221.The alignment films 124 are formed in the base within the restricted area 1221
On plate 12, wherein the contact angle between the resin layer 123 and the fluid to form the alignment films 124 is greater than 90 degree.
The edge of the alignment films 124 is located at the restricted area 1221.
Referring to Fig. 5, a kind of liquid crystal display, the display panel including two pieces to box, the display panel are above-mentioned reality
Apply the display panel of example.One of display panel is array substrate 10, and another piece of display panel is color membrane substrates
20.Liquid crystal layer 30 is set between the array substrate 10 and the color membrane substrates 20.
The color membrane substrates 20 are formed before alignment films 124 on the substrate 12 within the restricted area 1221,
It further include making black matrix 21 in viewing area 121, the pattern of the black matrix 21 is that the lighttight material of black surrounds multiple battle arrays
The gridiron of setting is arranged, the translucent material 22 of deposition different colours, the translucent material 22 make the coloured silk in the multiple gridiron
Ilm substrate 20 is able to carry out picture and shows.The black matrix 21 can be made with sputtering method.The material of the black matrix 21 can wrap
Chromium or titanium are included, also may include carbon black allyl resin.The forming method of translucent material 22 in the multiple gridiron have dye method,
Pigment dispersion method, print process, strike, ink-jet method.Wherein, the first step of pigment dispersion method be will be evengranular fine
Pigment (average grain diameter is less than 0.1 μm) (three color of red, green, blue) is dispersed in transparent photosensitive resin.Then by them successively with painting
It applies, exposure, developing process method, sequentially forms red, green, blue trichromatic diagram case.Optical lithography, equipment therefor are used during manufacturing
It mainly applies, expose, developing apparatus.Multiple gridirons are spaced apart by the black matrix 21, so as to avoid not apposition
22 colour mixture of translucent material of different colours in frame, to guarantee the display effect of liquid crystal display.
Supporter 23 is additionally provided on the color membrane substrates 20, above support 23 is used for the color membrane substrates 20 and institute
Array substrate 10 is stated to be spaced apart.
The array substrate 10 is also wrapped before the restricted area 1221 coating resin material is to form resin layer 123
Include following making step:
Step a forms grid line.
Step b deposits Si3N4 (silicon nitride), a-Si (amorphous silicon), N+a-si (N-type silicon): first with PECVD
(Plasma Enhanced Chemical Vapor Deposition, the vapour deposition process of plasma enhanced chemical) technology
Be respectively coated one layer of Si3N4, N+a-si and a-Si, then on N+a-si and a-Si be coated with photoresist glue, by exposure, development,
Etching forms required shape except glue.
Step c forms source electrode line, drain line.One layer of metal material is coated with first on a-Si as source electrode line and drain electrode
Then line is coated with photoresist glue on the metal material and forms required shape by exposing, developing, etching and removing glue.
Step d precipitates Si3N4 and ITO (Indium tin oxide, tin indium oxide): precipitating first with PECVD technique
Then one layer of Si3N4 is coated one layer of ITO.
By the substrate other than the restricted area 1221 of the array substrate 10 to complete according to the method described above or color membrane substrates 20
Upper coating sealant instills liquid crystal in the array substrate 10, then by array substrate 10 and the contraposition bonding of color membrane substrates 20, and
Solidify the sealant, to complete to box, so that liquid crystal layer 30 is formed between array substrate 10 and color membrane substrates 20.
Above-mentioned liquid crystal display by the way that restricted area is arranged on the non-display area of array substrate or color membrane substrates, and applies
Cloth resin material forms resin layer, also forms alignment films on the substrate within restricted area, resin layer with to take described in being formed
It is greater than 90 degree to the contact angle between the fluid of film, so as to precisely limit the boundary of alignment films, alignment films is avoided to diffuse to
Frame glue region, while guaranteeing that alignment films cover viewing area.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of production method of display panel, which comprises the following steps:
There is provided a substrate, wherein the substrate includes viewing area and the non-display area around the viewing area；
Restricted area is set on the non-display area；
Resin material is coated on the restricted area to form resin layer；
Form alignment films on the substrate within the restricted area, wherein the resin layer with to form the orientation
Contact angle between the fluid of film is greater than 90 degree.
2. the production method of display panel according to claim 1, which is characterized in that the restricted area and the viewing area
Interval setting.
3. the production method of display panel according to claim 1, which is characterized in that the edge of the alignment films is located at institute
State restricted area.
4. the production method of display panel according to claim 1, which is characterized in that described be coated in the restricted area is set
The step of rouge material is to form resin layer specifically includes:
Resin material is coated in the restricted area；
Solidify the resin material to form resin layer.
5. the production method of display panel according to claim 1, which is characterized in that described within the restricted area
The step of alignment films are formed on the substrate specifically includes:
The coating orientation coating solution on the substrate within the restricted area；
Solidify the orientation coating solution to form alignment films；
Friction matching or light orientation are carried out to the alignment films.
6. the production method of display panel according to claim 1, which is characterized in that described be coated in the restricted area is set
Before or after the step of rouge material is to form resin layer further include:
Sealant is coated on the substrate other than the restricted area.
7. the production method of display panel according to claim 1, which is characterized in that the substrate is array substrate or coloured silk
Ilm substrate.
8. a kind of display panel, including substrate, the substrate includes viewing area and the non-display area around the viewing area；It is special
Sign is that the non-display area includes restricted area；The display panel further includes resin layer and alignment films；The resin layer is formed
In on the restricted area；The alignment films are formed on the substrate within the restricted area, wherein the resin layer and use
The contact angle between fluid to form the alignment films is greater than 90 degree.
9. display panel according to claim 8, which is characterized in that the edge of the alignment films is located at the restricted area.
10. a kind of liquid crystal display, the display panel including two pieces to box, which is characterized in that the display panel is wanted for right
Seek display panel described in 8-9 any one；One of display panel is color membrane substrates, another piece of display panel
For array substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910370424.XA CN110308592A (en) | 2019-05-06 | 2019-05-06 | Production method, display panel and the liquid crystal display of display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910370424.XA CN110308592A (en) | 2019-05-06 | 2019-05-06 | Production method, display panel and the liquid crystal display of display panel |
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| CN201910370424.XA Pending CN110308592A (en) | 2019-05-06 | 2019-05-06 | Production method, display panel and the liquid crystal display of display panel |
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Application publication date: 20191008 |