CN107728387A - One kind orientation film manufacturing method and its production equipment - Google Patents
One kind orientation film manufacturing method and its production equipment Download PDFInfo
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- CN107728387A CN107728387A CN201711235790.1A CN201711235790A CN107728387A CN 107728387 A CN107728387 A CN 107728387A CN 201711235790 A CN201711235790 A CN 201711235790A CN 107728387 A CN107728387 A CN 107728387A
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- light
- wave bands
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- light beam
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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
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
One kind orientation film manufacturing method, the UV light of collimated light beam is converted to the UV light of polarization state, by UV light irradiations in alignment films are made on the ito substrate comprising nitrogen benzene material；The polarization direction of the UV light is identical with the direction of twist for the liquid crystal molecule that alignment films need, and the beam direction of the UV light and the angle of the ito substrate plane are 30 ° to 60 °, and the exposure energy of the UV light is 500 to 1000mJ.The orientation film manufacturing method and its production equipment for electro-welding arc of the present invention, disclosure satisfy that PMVA display effects meet product requirement, between same batch performance it is more stable with it is consistent, yield improves 10% than rubbing method, efficiency raising 20%.
Description
Technical field
The present invention relates to optical field, more particularly to a kind of orientation film manufacturing method and its production equipment.
Background technology
PMVA (Passive Matrix Vertical Alignment, passive-matrix vertical arrangement) display device, it is
A kind of LCD display patterns, its rod shaped liquid crystal molecule are arranged perpendicular to alignment films, as shown in figure 1, the upper strata of display device and
The optical axis of lower floor's polaroid forms 90 degree of angles.Liquid crystal layer is from top to bottom perpendicular to electrode no power：Liquid crystal layer does not produce rotation
Polarised light, due to 90 degree of levels polaroid optical axis included angle, light is not through, LCD background black, is powered：Liquid crystal is made by electric field
With, liquid crystal molecule is translated into, and is formed with electric field parallel, and the optical path difference of liquid crystal layer just allows polarised light to form 1/2 π polarization, light from
Face polaroid passes through and forms display.
Because PMVA display patterns are in no power, liquid crystal molecule is vertically arranged in alignment films, and light does not have any deflection
By liquid crystal layer, so when the polaroid optical axis of levels is mutually perpendicular to, the saturating yield of light is less than 0.001%, shows and compares
Ater, it is parallel with alignment films by the effect of electric field to be generated upset for liquid crystal molecule during energization, realizes and shows, can obtain compared with
Height contrast, and the background color of black can form the black effect of one with electric equipment black cover plate, so PMVA patterns is aobvious
Show that device is liked by consumer deeply, the market demand rises year by year.
It was found from principle, the more traditional LCD display part two major features of the display devices of PMVA patterns：1st, liquid crystal molecule hangs down
In line row oriented layer, 2, black background color, but exactly this two feature constrains PMVA display devices fine ratio of product and manufacture efficiency.
Vertical orientated performance is to the anchoring ability and pre-tilt angle requirement of oriented material compared with high accurancy and precision, LCD display part traditional at present
Alignment films by felt rub produce alignment capability the batch such as technique, friction cloth staple length density between it is variant, can not be accurate
Control causes friction depth and rubbing intensity uncontrollable, and rub the easy hair loss of felt, rubs and easily produces damage by static electricity alignment films,
Therefore friction process causes product yield low, and stability and uniformity are poor between batch, and heavy industry causes efficiency also low repeatedly
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of orientation film manufacturing method and its production equipment.
Technical scheme provided by the invention is：
One kind orientation film manufacturing method, the UV light of collimated light beam is converted to the UV light of polarization state, by UV light irradiations in
Alignment films are made on ito substrate comprising nitrogen benzene material；
The polarization direction of the UV light is identical with the direction of twist for the liquid crystal molecule that alignment films need, the light beam of the UV light
Direction and the angle of the ito substrate plane are 30 ° to 60 °, and the exposure energy of the UV light is 500 to 1000mJ.
Preferably, the wavelength of the UV light is UVB wave bands.
Present invention simultaneously provides one kind to be orientated membrane production equipment, includes UV light sources, the line of the UVB wave bands of emitting parallel light beam
Grid polarization plates, protection board, substrate stage and controller；
The UV light sources of the UVB wave bands are configured at the top of the wire grid polarization plate, and the protection board is configured at the line
It is used to place the ito substrate for including nitrogen benzene material between grid polarization plates and substrate stage, on the substrate stage, by the line
The direction of twist for the liquid crystal molecule that the polarization direction alignment films for the polarised light that grid polarization plates project need is identical；The substrate stage
Plane and the angle of the UV light sources are 30 ° to 60 °, and the controller, which is used to control the exposure energy of the UV light sources, is
500 to 1000mJ.
Preferably, the UV light sources of the UVB wave bands of the emitting parallel light beam include the UV lamp and reflected in parallel of UVB wave bands
Mirror, the parallel lens are used to spot light being converted to collimated light beam, the UV lamp be configured at the parallel mirror it is oblique under
Side.
Preferably, the UV lamp of UV light sources of the UVB wave bands of the emitting parallel light beam including UVB wave bands with it is parallel
Mirror, the parallel lens are used to spot light being converted to collimated light beam, and the UV lamp is configured at the top of the parallel lens.
Preferably, speculum is also included between the protection board and substrate stage.
Preferably, quartz is also included between the UV light sources and wire grid polarization plate of the UVB wave bands of the emitting parallel light beam
Heat-protecting glass.
Beneficial effects of the present invention：
The orientation film manufacturing method and its production equipment for UV light of the present invention, it disclosure satisfy that PMVA display effects meet
Product requirement, between same batch performance it is more stable with it is consistent, yield improves 20% than friction process, and efficiency improves 30%.Make
Product with UV light orientations is displaying contrast, display visible angle, the response time, the product one of reliability and friction process
Cause, contrast between batch, visible angle, the response time, reliability uniformity is more preferable.Net assessment contrasts, and yield is than friction work
Skill improves 20%, and production efficiency improves 30%.
Brief description of the drawings
Fig. 1 is the structural representation of the LCDs of prior art；
Fig. 2 is the structural representation of the embodiment 1 of the orientation membrane production equipment of the present invention；
Fig. 3 is the structural representation of the embodiment 2 of the orientation membrane production equipment of the present invention；
Fig. 4 is the structural representation of the embodiment 3 of the orientation membrane production equipment of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings, as shown in Figures 2 and 3, one kind orientation film manufacturing method, with
According to the requirement of PMVA displaying principles, liquid crystal molecule is to need direction consistent in alignment layer surface arrangement, the consistent arrangement in inclination angle
Mode could have a good display performance, the invention wavelength of ultraviolet light UV light, UV light energies, UV light wave transmission
Polarization state, UV light incident direction and the relation of alignment films plane included angle：The UV light of collimated light beam is converted into the UV of polarization state
Light, by UV light irradiations in alignment films are made on the ito substrate comprising nitrogen benzene material；The modification that the present invention uses contains azobenzene
The aligning film material of class, the change that the material produces molecular chain structure under UV illumination cause with orientation characteristic；
The polarization direction of the UV light is identical with the direction of twist for the liquid crystal molecule that alignment films need, the light beam of the UV light
Direction and the angle of the ito substrate plane are 30 ° to 60 °, and the exposure energy of the UV light is 500 to 1000mJ/cm2。
The wavelength of the UV light is UVB wave bands.
Present invention simultaneously provides one kind as shown in Figure 2 to be orientated membrane production equipment, including the UVB wave bands of emitting parallel light beam
UV light sources, wire grid polarization plate 3, protection board 4, substrate stage 5 and controller；
The UV light sources of the UVB wave bands are configured at the top of the wire grid polarization plate 3, and the protection board 4 is configured at described
It is used to place the ito substrate 6 for including nitrogen benzene material between wire grid polarization plate 3 and substrate stage 5, on the substrate stage 5, by
The direction of twist for the liquid crystal molecule that the polarization direction alignment films for the polarised light that the wire grid polarization plate 3 projects need is identical；It is described
The plane of substrate stage 5 and the angle of the UV light sources are 30 ° to 60 °, and the controller is used for the exposure energy of the UV light sources
Amount control is 500 to 1000mJ.
Embodiment 1：UV light sources 1 are incident straight down by parallel mirror 2, and the parallel lens 2 are used for spot light
Collimated light beam is converted to, the UV light sources 1 are configured at the obliquely downward of the parallel mirror 2, the folder of substrate stage 5 and horizontal plane
Angle is 30 ° to 60 °, and energy transmission amount is not high farther out from speculum for such light source.The light source of UVB wave bands, UV light source works time
Parallel mirror 2 is irradiated to upwards, the light of scattering is reflected collimated light beam by parallel mirror 2, and now light beam is still no polarization
The natural mode light of state, light beam are again incident on wire grid polarization plate 3, and by the polarization of polarization plates, tool has been projected from polarization plate
There are the UVB light beams of polarization state, it is at a certain angle with the substrate shape that scribbles alignment films through protection board 4, alignment films are taken
To exposure, UVB light sources are closed after reaching the light accumulated amount of setting, and substrate stage is the substrate that can be rotated with horizontal plane and vertical plane,
Meet the exposure of substrate all angles
Embodiment 2：As shown in figure 3, the UV light sources 1 are used for spot light by parallel lens 8, the parallel lens 8
Collimated light beam is converted to, the UV light sources 1 are configured at the top of the parallel lens 8, and such light source energy closer to the lens passes
The amount of passing is high, therefore quartzy heat-protecting glass 7 is configured between parallel lens 8 and wire grid polarization plate 3.Because this structure light intensity compares
Greatly, it is more, it is necessary to which light beam to be filtered out to the wavelength of heating by quartzy heat-protecting glass 7 to produce heat ratio, light beam is heat-insulated from quartz
Glass 7 enters the natural mode light of no polarization state after projecting, light beam is again incident on wire grid polarization plate 3, and the polarization by polarization plates is made
With having projected the UVB light beams with polarization state from polarization plate, through protection board 4, the substrate with scribbling alignment films is formed necessarily
Angle, orientation exposure is carried out to alignment films, reaches UVB light sources after the light accumulated amount of setting and closes, substrate stage is can be horizontal
Face and the substrate of vertical plane rotation, meet the exposure of substrate all angles.
Embodiment 1 and embodiment 2 are that the angle of substrate stage 5 and horizontal plane is 30 ° to 60 °.
Embodiment 3：As shown in figure 4, the angle of substrate stage 5 and horizontal plane is 0 °, the protection, 4 and substrate stage 5 it
Between also include speculum 9.The UV light source works time is irradiated to parallel light reflection mirror upwards, and parallel light reflection mirror 2 is by the light of scattering
Collimated light beam is reflected, now light beam is still the natural mode light of unbiased polarization state, and light beam is again incident on wire grid polarization plate 3, by inclined
The polarizations of vibration plate, the UVB light beams with polarization state are projected from polarization plate, through protection board 4, have been irradiated to speculum 9,
Light reflexes to the substrate for scribbling alignment films, and simultaneously shape is at a certain angle with substrate for incident light, carries out orientation exposure to alignment films, reaches
UVB light sources are closed after to the light accumulated amount of setting, and substrate stage is the substrate that can be rotated with horizontal plane and vertical plane, meets that substrate is each
The exposure of individual angle.
Claims (7)
1. one kind orientation film manufacturing method, it is characterised in that：
The UV light of collimated light beam is converted to the UV light of polarization state, by UV light irradiations in the ito substrate for including nitrogen benzene material
On alignment films are made；
The polarization direction of the UV light is identical with the direction of twist for the liquid crystal molecule that alignment films need, the beam direction of the UV light
Angle with the ito substrate plane is 30 ° to 60 °, and the exposure energy of the UV light is 500 to 1000mJ.
2. orientation film manufacturing method according to claim 1, it is characterised in that：
The wavelength of the UV light is UVB wave bands.
3. one kind orientation membrane production equipment, it is characterised in that：
UV light sources, wire grid polarization plate, protection board, substrate stage and the controller of UVB wave bands including emitting parallel light beam；
The UV light sources of the UVB wave bands are configured at the top of the wire grid polarization plate, and it is inclined that the protection board is configured at the wiregrating
It is used to place the ito substrate for including nitrogen benzene material between vibration plate and substrate stage, on the substrate stage, it is inclined by the wiregrating
The direction of twist for the liquid crystal molecule that the polarization direction alignment films for the polarised light that vibration plate projects need is identical；The substrate stage plane
Angle with the UV light sources is 30 ° to 60 °, the controller be used for by the control of the exposure energies of the UV light sources for 500 to
1000mJ/cm2。
4. orientation membrane production equipment according to claim 3, it is characterised in that：
The UV light sources of the UVB wave bands of the emitting parallel light beam include the UV lamp and parallel mirror of UVB wave bands, described parallel
Mirror is used to spot light being converted to collimated light beam, and the UV lamp is configured at the obliquely downward of the parallel mirror.
5. orientation membrane production equipment according to claim 3, it is characterised in that：
The UV light sources of the UVB wave bands of the emitting parallel light beam include the UV lamp and parallel lens of UVB wave bands, the parallel lens
For spot light to be converted into collimated light beam, the UV lamp is configured at the top of the parallel lens.
6. the orientation membrane production equipment according to any one in claim 3 to 5, it is characterised in that：
Also include speculum between the protection board and substrate stage.
7. the orientation membrane production equipment according to any one in claim 3 to 5, it is characterised in that：
Also include quartzy heat-protecting glass between the UV light sources and wire grid polarization plate of the UVB wave bands of the emitting parallel light beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235790.1A CN107728387A (en) | 2017-11-30 | 2017-11-30 | One kind orientation film manufacturing method and its production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235790.1A CN107728387A (en) | 2017-11-30 | 2017-11-30 | One kind orientation film manufacturing method and its production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107728387A true CN107728387A (en) | 2018-02-23 |
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ID=61220656
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711235790.1A Pending CN107728387A (en) | 2017-11-30 | 2017-11-30 | One kind orientation film manufacturing method and its production equipment |
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| Country | Link |
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| CN (1) | CN107728387A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174783A (en) * | 2019-05-28 | 2019-08-27 | 深圳市道尔顿电子材料有限公司 | The production method of light orientation VA liquid crystal display |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967353A (en) * | 2005-11-17 | 2007-05-23 | 群康科技(深圳)有限公司 | Liquid crystal alignment apparatus and alignment method used the same |
| WO2010137402A1 (en) * | 2009-05-29 | 2010-12-02 | シャープ株式会社 | Optical alignment processing method, mask for optical alignment processing and method for manufacturing an aligned film |
| CN102445788A (en) * | 2010-10-13 | 2012-05-09 | 奇美电子股份有限公司 | Photo-alignment processing procedure and liquid crystal display employing same |
| CN102906635A (en) * | 2010-04-23 | 2013-01-30 | 株式会社V技术 | Orientation treatment method and orientation treatment device |
| CN206096709U (en) * | 2016-09-05 | 2017-04-12 | 厦门天马微电子有限公司 | Light is joined in marriage and is joined in marriage to equipment to device and light |
-
2017
- 2017-11-30 CN CN201711235790.1A patent/CN107728387A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967353A (en) * | 2005-11-17 | 2007-05-23 | 群康科技(深圳)有限公司 | Liquid crystal alignment apparatus and alignment method used the same |
| WO2010137402A1 (en) * | 2009-05-29 | 2010-12-02 | シャープ株式会社 | Optical alignment processing method, mask for optical alignment processing and method for manufacturing an aligned film |
| CN102906635A (en) * | 2010-04-23 | 2013-01-30 | 株式会社V技术 | Orientation treatment method and orientation treatment device |
| CN102445788A (en) * | 2010-10-13 | 2012-05-09 | 奇美电子股份有限公司 | Photo-alignment processing procedure and liquid crystal display employing same |
| CN206096709U (en) * | 2016-09-05 | 2017-04-12 | 厦门天马微电子有限公司 | Light is joined in marriage and is joined in marriage to equipment to device and light |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174783A (en) * | 2019-05-28 | 2019-08-27 | 深圳市道尔顿电子材料有限公司 | The production method of light orientation VA liquid crystal display |
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Application publication date: 20180223 |