CN110196517A - A kind of ultraviolet irradiation machine - Google Patents
A kind of ultraviolet irradiation machine Download PDFInfo
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- CN110196517A CN110196517A CN201910405720.9A CN201910405720A CN110196517A CN 110196517 A CN110196517 A CN 110196517A CN 201910405720 A CN201910405720 A CN 201910405720A CN 110196517 A CN110196517 A CN 110196517A
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- liquid crystal
- display panel
- horizontal portion
- crystal display
- light source
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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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- 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)
- Planar Illumination Modules (AREA)
Abstract
The application provides a kind of ultraviolet irradiation machine, for carrying out LCD alignment to liquid crystal display panel comprising: carrying platform, for carrying the liquid crystal display panel to orientation；Illumination component, corresponding carrying platform are set to the top of liquid crystal display panel, and illumination component includes the light source towards liquid crystal display panel side array distribution, and light source on liquid crystal display panel for forming the first irradiated region and the second irradiated region around the first irradiated region；Illumination component further includes non-horizontal portion, and two neighboring non-horizontal portion is in mirror settings；Wherein, the first irradiated region and the second irradiated region that the light source in two neighboring non-horizontal portion is formed on liquid crystal display panel are complementary, so that the light illumination being irradiated on liquid crystal display panel is uniform.
Description
Technical field
This application involves display panel manufacturing field more particularly to a kind of ultraviolet irradiation machines.
Background technique
PS-VA (polymer stabilized vertical alignment) is a kind of technology of TFT-LCD, for electricity
Depending on one of manufacturing mainstream technology of panel.PS-VA includes array, color film, at box, the big processing procedure of mould group four, wherein at box processing procedure
The ultraviolet light orientation of middle liquid crystal is the core technology of PS-VA.Ultraviolet light alignment manufacture process: in PS-VA liquid crystal cell, liquid crystal is in polyamides
It, need to be in the pre-tilt angle of ultraviolet alignment manufacture process (UV1) formation liquid crystal, to meet display at standing upright under the action of imines alignment film
Demand.Pre-tilt angle is to make response type monomer reaction in liquid crystal to substrate irradiating ultraviolet light by ultraviolet alignment apparatus, by liquid crystal
It swings to be fixed up and be formed by.
In ultraviolet process of alignment, ultraviolet light needed for orientation ultraviolet irradiation machine provides liquid crystal reaction, exposure intensity meeting
The size of pre-tilt angle is influenced, illuminance uniformity influences whether the uniformity that pre-tilt angle is distributed on substrate, so that it is aobvious to influence panel
The uniformity shown.Industry exploitation service life overlength and the narrow LED light of spectral region at present, but the light that LED is issued is more straight
And concentrate, cause using when lamp between region illumination it is on the weak side, there is display and lacks in the low-light (level) area of formation rule, the panel of production
It falls into.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The application provides a kind of ultraviolet irradiation machine, and it is even to be able to solve uneven illumination existing for existing ultraviolet irradiation machine,
The problem of to influence display panel display.
To solve the above problems, technical solution provided by the present application is as follows:
The application provides a kind of ultraviolet irradiation machine, for carrying out LCD alignment to liquid crystal display panel, comprising:
Carrying platform, for carrying the liquid crystal display panel to orientation；
Illumination component, the corresponding carrying platform are set to the top of the liquid crystal display panel, the illumination component packet
The light source towards liquid crystal display panel side array distribution is included, the light source on the liquid crystal display panel for forming
First irradiated region and the second irradiated region around first irradiated region；
The illumination component further includes non-horizontal portion, and the adjacent two non-horizontal portion is in mirror settings, the non-horizontal portion
Extending direction be not parallel to each other with in-plane where the liquid crystal display panel；
Wherein, the light source in the adjacent two non-horizontal portions formed on the liquid crystal display panel described first
Irradiated region and second irradiated region are complementary.
In the ultraviolet irradiation machine of the application, the light source in the corresponding adjacent two non-horizontal portion is in the liquid crystal
Range of exposures at least part on display panel is overlapped and is formed light intersection region, in the light intersection region, one
Second irradiated region that the light source in the non-horizontal portion is formed corresponds to the light source in another non-horizontal portion
First irradiated region formed.
In the ultraviolet irradiation machine of the application, at least corresponding light intersection region of the liquid crystal display panel,
And the intensity of illumination in the light intersection region is uniform.
In the ultraviolet irradiation machine of the application, the illumination component further include be set to the adjacent two non-horizontal portion it
Between horizontal part, the horizontal part is arranged in parallel with the liquid crystal display panel, wherein the light intersection region further includes pair
The ray regions for answering the light source on the horizontal part to be formed.
In the ultraviolet irradiation machine of the application, second irradiated region pair of the light source formation on the horizontal part
First irradiated region for answering the light source in the non-horizontal portion to be formed.
In the ultraviolet irradiation machine of the application, the illumination component further includes reflecting plate, described in the reflecting plate correspondence
Non-horizontal portion and horizontal part setting, and the light source is set on the reflecting plate.
In the ultraviolet irradiation machine of the application, the ultraviolet irradiation machine further includes regulating mechanism, and adjacent two is described non-
It is movable connection between horizontal part/horizontal part and the non-horizontal portion, the regulating mechanism is for adjusting adjacent two institute
State the angle between non-horizontal portion/horizontal part and the non-horizontal portion.
Source symmetric setting or non-right in the ultraviolet irradiation machine of the application, in the adjacent two non-horizontal portion
Claim setting.
In the ultraviolet irradiation machine of the application, the non-horizontal portion is arranged in multisection type inclined-plane.
In the ultraviolet irradiation machine of the application, the cross sectional shape of the illumination component be V-arrangement, it is trapezoidal, in arc one
Kind or more than one combinations.
The application's has the beneficial effect that ultraviolet irradiation machine provided by the present application, and available liquid crystal orientation ultraviolet light is irradiated
The horizontal plane configuration change of illumination component (lamp bracket) is that the not horizontally planar of mirror settings configures in machine, so that on illumination component
The LED light source of setting forms the light of direct projection and oblique fire, the weaker place of the right LED light source illumination by left side LED light source illumination compared with
Strong place compensates, i.e., the light that the LED light source in two neighboring non-horizontal portion issues complements each other, and finally makes entire liquid crystal
The ultraviolet ray intensity for showing that panel receives is uniform, to promote panel production quality.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of application
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of ultraviolet irradiation machine structural schematic diagram that the embodiment of the present application one provides；
Fig. 2 is another ultraviolet irradiation machine partial structural diagram that the embodiment of the present application one provides；
Fig. 3 is a kind of ultraviolet irradiation machine structural schematic diagram that the embodiment of the present application two provides；
Fig. 4 is another ultraviolet irradiation machine partial structural diagram that the embodiment of the present application two provides；
Fig. 5 is a kind of ultraviolet irradiation machine structural schematic diagram that the embodiment of the present application three provides；
Fig. 6 be illumination component provided by the embodiments of the present application in a non-horizontal portion or horizontal part in liquid crystal display panel
On exposure intensity schematic diagram.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the application
Example.The direction term that the application is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the application, rather than to
Limit the application.The similar unit of structure is with being given the same reference numerals in the figure.
The application is directed to existing ultraviolet irradiation machine, and it is even to influence the technology that display panel is shown that there are uneven illuminations
Problem, the present embodiment are able to solve the defect.
As shown in Figure 1, a kind of ultraviolet irradiation machine structural schematic diagram provided for the embodiment of the present application one.The ultraviolet light
Irradiating machine is for issuing ultraviolet light to carry out LCD alignment to liquid crystal display panel 10 comprising: carrying platform 20, for carrying
The liquid crystal display panel 10 to orientation；Illumination component 30, the corresponding carrying platform 20 are set to the LCD display
The top of plate 10, the illumination component 30 include the light source 301 towards the 10 side array distribution of liquid crystal display panel, this reality
It applies in example, the light source 301 is LED light source.The light source 301 issues ultraviolet light and is used to irradiate the liquid crystal display panel 10,
To carry out LCD alignment to the liquid crystal display panel 10.The illumination component 30 further includes non-horizontal portion 302 (302 '), and
The extending direction of the non-horizontal portion 302 (302 ') is not parallel to each other with the 10 place in-plane of liquid crystal display panel, also
It is to say, the non-horizontal portion 302 (302 ') is arranged in inclined-plane or cambered surface.Wherein, the light source 301 is set to described non-horizontal
Side of the portion 302 (302 ') towards the liquid crystal display panel 10.
As shown in connection with fig. 6, the light source 301 forms the first irradiated region 401 and is surrounded on the liquid crystal display panel 10
Second irradiated region 402 of first irradiated region 401；Wherein, first irradiated region 401 is the stronger region of intensity of illumination,
Second irradiated region 402 is the weaker region of intensity of illumination.Since the point light source form using multiple LED light sources is to the liquid
LCD panel 10 is irradiated, and the intensity of illumination for the hot spot that a LED light source generates gradually decreases from center to periphery,
Therefore the surface intensity of illumination that can have the liquid crystal display panel 10 is inhomogenous.
The illumination component 30 further includes reflecting plate, and the reflecting plate corresponds to non-horizontal portion 302 (302 ') setting, and
The light source 301 is set to a side surface of the reflecting plate towards the liquid crystal display panel 10.Wherein, the reflecting plate is used
In reflecting the light of reflecting plate described in 301 directive of light source, to increase the availability of light and increase the liquid crystal display
The homogeneity of 10 surface intensity of illumination of panel.Wherein, the non-horizontal portion 302 (302 ') can directly be the reflecting plate, i.e.,
The reflecting plate and the light source 301 form the illumination component 30；Alternatively, the non-horizontal portion 302 (302 ') is supporting element,
The reflecting plate fits in the surface of the non-horizontal portion 302 (302 '), herein without limitation.
In the present embodiment, the illumination component 30 includes that the first non-horizontal portion 302 and second of two mirror settings is non-
Horizontal part 302 ', and the first non-horizontal portion 302 and the second non-horizontal portion 302 ' are inclined design, and with the liquid
LCD panel 10 is in predetermined inclination angle.Institute in the corresponding first non-horizontal portion 302 and the second non-horizontal portion 302 '
It states the range of exposures at least part of light source 301 on the liquid crystal display panel 10 to be overlapped, and forms light intersection region 50,
As shown by arrows in figure, the light in the light intersection region 50, on the adjacent two non-horizontal portion (302 and 302 ')
First irradiated region 401 and second irradiated region 402 that source 301 is formed on the liquid crystal display panel 10 are complementary.?
That is second irradiated region 402 corresponding described second that the light source 301 in the first non-horizontal portion 302 is formed
First irradiated region 401 that the light source 301 in non-horizontal portion 302 ' is formed.
Wherein, the light intersection region 50 covers the liquid crystal display panel 10, and in the light intersection region 50
Intensity of illumination it is uniform.
In the present embodiment, due to the special designing to 30 structure of illumination component, i.e., the section of the described illumination component 30
Shape is inverted V-shaped, so that the light of liquid crystal display panel 10 described in directive is from multiple directions, therefore can greatly increase light
According to the homogeneity of intensity.
As shown in Fig. 2, another ultraviolet irradiation machine partial structural diagram provided for the embodiment of the present application one.With figure
The illumination component in 1 is compared, and illumination component described in Fig. 2 30 includes multiple by inverted V shaped described non-aqueous in pairs
Flat portion (302 and 302 '), wherein the non-horizontal portion (302 and 302 ') of two composition inverted V-shapeds forms the light and intersects
Region 50, non-horizontal portion (302 and 302 ') described in multiple groups form multiple light intersection regions 50, and adjacent two light
Intersection region 50 close to or partly overlap, herein with no restrictions.Wherein, the non-horizontal portion 302 and the non-horizontal portion 302 '
Design or seperated design can be integrated.The corresponding at least two light intersection regions 50 of the liquid crystal display panel 10, and extremely
Few two light intersection regions 50 cover the liquid crystal display panel 10, and the intensity of illumination in the light intersection region 50 is equal
One.
As shown in figure 3, a kind of ultraviolet irradiation machine structural schematic diagram provided for the embodiment of the present application two.With above-mentioned implementation
Example one is compared, illumination component described in the present embodiment 30 further include be set to the adjacent two non-horizontal portion (302 and 302 ') it
Between horizontal part 303, the horizontal part 303 is arranged in parallel with the liquid crystal display panel 10, wherein the light intersection region
50 further include the ray regions that the light source 301 on the corresponding horizontal part 303 is formed.
In conjunction with shown in Fig. 3 and Fig. 6, in the figure the light source 301 in the described first non-horizontal portion 302 formed described the
One irradiated region 401 and second irradiated region 402 and the light source 301 in the described second non-horizontal portion 302 ' form described
First irradiated region 401 and second irradiated region 402 form complementation, what the light source 301 on the horizontal part 303 was formed
The light source in the corresponding first non-horizontal portion 302 of second irradiated region 402 and the second non-horizontal portion 302 '
301 first irradiated regions 401 formed.
Wherein, the reflecting plate corresponds to the described first non-horizontal portion 302, the second non-horizontal portion 302 ' and the level
Portion 303 is arranged, and the light source 301 is set on the reflecting plate.
In the present embodiment, the cross sectional shape of the illumination component 30 is trapezoid, by the two sides of the horizontal part 303
Described first non-horizontal portion 302 and the second non-horizontal portion 302 ' are set, to form the covering liquid crystal display panel 10
Light intersection region 50, and the intensity of illumination in the light intersection region 50 is uniform.
As shown in figure 4, another ultraviolet irradiation machine partial structural diagram provided for the embodiment of the present application two.With figure
The illumination component in 3 is compared, and the cross sectional shape of illumination component described in Fig. 4 30 is multiple inverted trapezoidals, and the light source 301 is set
It is placed on the reflecting plate, and is located at close to the side of the liquid crystal display panel, wherein the institute of 303 two sides of horizontal part
The first non-horizontal portion 302 is stated with the described second non-horizontal portion 302 ' in mirror settings, multiple first non-horizontal portions 302, institute
It states the light source 301 on the second non-horizontal portion 302 ' and the horizontal part 303 and forms the light intersection region 50, such as scheme
Shown in middle arrow, the light intersection region 50 covers the liquid crystal display panel, and the light in the light intersection region 50
According to uniform intensity, details are not described herein again for concrete principle, please refers to the description in above-described embodiment.
As shown in figure 5, a kind of ultraviolet irradiation machine structural schematic diagram provided for the embodiment of the present application three.With above-mentioned implementation
Example one is compared, and the non-horizontal portion 302 of illumination component described in the present embodiment 30 is arc, non-horizontal portion 302 described in figure
Arc-shaped bend direction be to be not limited thereto, or to 10 curving of liquid crystal display panel is deviated to close
10 curving of liquid crystal display panel.The illumination component 30 includes at least two intervals and in the described non-of mirror settings
Horizontal part 302, the reflecting plate is consistent with the arc in the non-horizontal portion 302, arc of the light source 301 along the reflecting plate
Direction is intervally arranged.
The light in light source 301 wherein in a non-horizontal portion 302 non-horizontal portion 302 adjacent with two sides
Source 301 will form crosslight, as shown by arrows in figure, form the light intersection region for covering the liquid crystal display panel 10
50.As shown in connection with fig. 6, wherein first irradiated region 401 that is formed of the light source 301 in a non-horizontal portion 302 with
And described first shining of being formed of the light source 301 in the second irradiated region 402 non-horizontal portion 302 adjacent with two sides
It penetrates area 401 and second irradiated region 402 is complementary, that is to say, that the light source 301 in a non-horizontal portion 302 exists
The lower region of exposure intensity that 10 surface of liquid crystal display panel is formed, can be by the adjacent non-horizontal portion 302
The higher region of exposure intensity that the light source 301 is formed supplements, to make 10 entire surface of liquid crystal display panel
Intensity of illumination keeps uniform, and then promotes panel and produce quality.
In above-described embodiment one and embodiment two, the non-horizontal portion (302 and 302 ') of the illumination component 30 is also
It can be arranged in multisection type inclined-plane, that is to say, that a non-horizontal portion (302/302 ') is set by multiple and different tilt angles
The inclined-plane composition set, for example, closer to the inclined-plane of the liquid crystal display panel 10, with the liquid crystal display panel 10 it
Between inclination angle it is bigger.
In addition, the ultraviolet irradiation machine further includes regulating mechanism (not shown), the adjacent two non-horizontal portions/water
It is movable connection between flat portion and the non-horizontal portion, according to the size of practical processing procedure and the liquid crystal display panel, institute
The angle in the adjustable adjacent two non-horizontal portion of regulating mechanism/between the horizontal part and the non-horizontal portion is stated, so as to
The homogeneity of the intensity of illumination of the liquid crystal display panel is irradiated in better regulation.
In above-mentioned three kinds of embodiments, the setting of the source symmetric in the adjacent two non-horizontal portion or asymmetric set
It sets, herein with no restrictions.
The cross sectional shape of illumination component described herein includes but is not limited to one of V-arrangement, trapezoidal, arc or one kind
Combination of the above.
In conclusion ultraviolet irradiation machine provided by the present application, by light group in available liquid crystal orientation ultraviolet irradiation machine
The horizontal plane configuration change of part (lamp bracket) is that the not horizontally planar of mirror settings configures, so that the LED being arranged on illumination component
Light source formed direct projection and oblique fire light, the right LED light source illumination it is weaker place by left side LED light source illumination it is stronger place Lai
It compensates, i.e., the light that the LED light source in two neighboring non-horizontal portion issues complements each other, and finally receives entire liquid crystal display panel
The ultraviolet ray intensity arrived is uniform, to promote panel production quality.
Although above preferred embodiment is not to limit in conclusion the application is disclosed above with preferred embodiment
The application processed, those skilled in the art are not departing from spirit and scope, can make various changes and profit
Decorations, therefore the protection scope of the application subjects to the scope of the claims.
Claims (10)
1. a kind of ultraviolet irradiation machine, for carrying out LCD alignment to liquid crystal display panel characterized by comprising
Carrying platform, for carrying the liquid crystal display panel to orientation；
Illumination component, the corresponding carrying platform are set to the top of the liquid crystal display panel, and the illumination component includes face
To the light source of liquid crystal display panel side array distribution, the light source is for forming first on the liquid crystal display panel
Irradiated region and the second irradiated region around first irradiated region；
The illumination component further includes non-horizontal portion, and the adjacent two non-horizontal portion is in mirror settings, and the non-horizontal portion prolongs
Direction is stretched to be not parallel to each other with in-plane where the liquid crystal display panel；
Wherein, first irradiation that the light source in the adjacent two non-horizontal portions is formed on the liquid crystal display panel
Area and second irradiated region are complementary.
2. ultraviolet irradiation machine according to claim 1, which is characterized in that the institute in the corresponding adjacent two non-horizontal portion
It states the range of exposures at least part of light source on the liquid crystal display panel and is overlapped and is formed light intersection region, in the light
In line intersection region, second irradiated region that the light source in a non-horizontal portion is formed corresponds to another described non-horizontal
First irradiated region that the light source in portion is formed.
3. ultraviolet irradiation machine according to claim 2, which is characterized in that at least corresponding institute of the liquid crystal display panel
Light intersection region is stated, and the intensity of illumination in the light intersection region is uniform.
4. ultraviolet irradiation machine according to claim 2, which is characterized in that the illumination component further include be set to it is adjacent
Horizontal part between the two non-horizontal portions, the horizontal part are arranged in parallel with the liquid crystal display panel, wherein the light
Intersection region further includes the ray regions that the light source on the corresponding horizontal part is formed.
5. ultraviolet irradiation machine according to claim 4, which is characterized in that the light source on the horizontal part was formed
Second irradiated region corresponds to first irradiated region of the formation of the light source in the non-horizontal portion.
6. ultraviolet irradiation machine according to claim 1 or 4, which is characterized in that the illumination component further includes reflecting plate,
The reflecting plate corresponds to the non-horizontal portion and horizontal part setting, and the light source is set on the reflecting plate.
7. ultraviolet irradiation machine according to claim 1 or 4, which is characterized in that the ultraviolet irradiation machine further includes adjusting
Section mechanism, the adjacent two non-horizontal portion/it is movable connection between the horizontal part and the non-horizontal portion, the adjusting machine
Structure is used to adjust the angle in the adjacent two non-horizontal portion/between the horizontal part and the non-horizontal portion.
8. ultraviolet irradiation machine according to claim 1, which is characterized in that the light in the adjacent two non-horizontal portion
Source is symmetrical arranged or asymmetric setting.
9. ultraviolet irradiation machine according to claim 1, which is characterized in that the non-horizontal portion is set in multisection type inclined-plane
It sets.
10. ultraviolet irradiation machine according to claim 1, which is characterized in that the cross sectional shape of the illumination component is V
One of shape, trapezoidal, arc or more than one combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405720.9A CN110196517B (en) | 2019-05-16 | 2019-05-16 | Ultraviolet irradiation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910405720.9A CN110196517B (en) | 2019-05-16 | 2019-05-16 | Ultraviolet irradiation machine |
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| Publication Number | Publication Date |
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| CN110196517A true CN110196517A (en) | 2019-09-03 |
| CN110196517B CN110196517B (en) | 2021-09-03 |
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| CN201910405720.9A Active CN110196517B (en) | 2019-05-16 | 2019-05-16 | Ultraviolet irradiation machine |
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| CN110888267A (en) * | 2019-11-26 | 2020-03-17 | Tcl华星光电技术有限公司 | Liquid crystal alignment device and operation method thereof |
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| CN110196517B (en) | 2021-09-03 |
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